#include "plugin.h"
#include "utils_time.h"
-#include <asm/msr-index.h>
+#include "msr-index.h"
#include <cpuid.h>
#ifdef HAVE_SYS_CAPABILITY_H
#include <sys/capability.h>
#define PLUGIN_NAME "turbostat"
/*
- * This tool uses the Model-Specific Registers (MSRs) present on Intel processors.
- * The general description each of these registers, depending on the architecture,
- * can be found in the Intel® 64 and IA-32 Architectures Software Developer Manual,
+ * This tool uses the Model-Specific Registers (MSRs) present on Intel
+ * processors.
+ * The general description each of these registers, depending on the
+ * architecture,
+ * can be found in the Intel® 64 and IA-32 Architectures Software Developer
+ * Manual,
* Volume 3 Chapter 35.
*/
static _Bool apply_config_pkg_cstate;
/*
- * Boolean indicating if the processor supports 'I/O System-Management Interrupt counter'
+ * Boolean indicating if the processor supports 'I/O System-Management Interrupt
+ * counter'
*/
static _Bool do_smi;
static _Bool config_smi;
* This feature enables the monitoring of the temperature of each core
*
* This feature has two limitations:
- * - if MSR_IA32_TEMPERATURE_TARGET is not supported, the absolute temperature might be wrong
+ * - if MSR_IA32_TEMPERATURE_TARGET is not supported, the absolute temperature
+ * might be wrong
* - Temperatures above the tcc_activation_temp are not recorded
*/
static _Bool do_dts;
* This feature allows the monitoring of the temperature of each package
*
* This feature has two limitations:
- * - if MSR_IA32_TEMPERATURE_TARGET is not supported, the absolute temperature might be wrong
+ * - if MSR_IA32_TEMPERATURE_TARGET is not supported, the absolute temperature
+ * might be wrong
* - Temperatures above the tcc_activation_temp are not recorded
*/
static _Bool do_ptm;
static _Bool apply_config_rapl;
static double rapl_energy_units;
-#define RAPL_PKG (1 << 0)
- /* 0x610 MSR_PKG_POWER_LIMIT */
- /* 0x611 MSR_PKG_ENERGY_STATUS */
-#define RAPL_DRAM (1 << 1)
- /* 0x618 MSR_DRAM_POWER_LIMIT */
- /* 0x619 MSR_DRAM_ENERGY_STATUS */
- /* 0x61c MSR_DRAM_POWER_INFO */
-#define RAPL_CORES (1 << 2)
- /* 0x638 MSR_PP0_POWER_LIMIT */
- /* 0x639 MSR_PP0_ENERGY_STATUS */
-
-#define RAPL_GFX (1 << 3)
- /* 0x640 MSR_PP1_POWER_LIMIT */
- /* 0x641 MSR_PP1_ENERGY_STATUS */
- /* 0x642 MSR_PP1_POLICY */
-#define TJMAX_DEFAULT 100
+#define RAPL_PKG (1 << 0)
+/* 0x610 MSR_PKG_POWER_LIMIT */
+/* 0x611 MSR_PKG_ENERGY_STATUS */
+#define RAPL_DRAM (1 << 1)
+/* 0x618 MSR_DRAM_POWER_LIMIT */
+/* 0x619 MSR_DRAM_ENERGY_STATUS */
+/* 0x61c MSR_DRAM_POWER_INFO */
+#define RAPL_CORES (1 << 2)
+/* 0x638 MSR_PP0_POWER_LIMIT */
+/* 0x639 MSR_PP0_ENERGY_STATUS */
+
+#define RAPL_GFX (1 << 3)
+/* 0x640 MSR_PP1_POWER_LIMIT */
+/* 0x641 MSR_PP1_ENERGY_STATUS */
+/* 0x642 MSR_PP1_POLICY */
+#define TJMAX_DEFAULT 100
static cpu_set_t *cpu_present_set, *cpu_affinity_set, *cpu_saved_affinity_set;
-static size_t cpu_present_setsize, cpu_affinity_setsize, cpu_saved_affinity_setsize;
+static size_t cpu_present_setsize, cpu_affinity_setsize,
+ cpu_saved_affinity_setsize;
static struct thread_data {
- unsigned long long tsc;
- unsigned long long aperf;
- unsigned long long mperf;
- unsigned long long c1;
- unsigned int smi_count;
- unsigned int cpu_id;
- unsigned int flags;
-#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
-#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
-} *thread_delta, *thread_even, *thread_odd;
+ unsigned long long tsc;
+ unsigned long long aperf;
+ unsigned long long mperf;
+ unsigned long long c1;
+ unsigned int smi_count;
+ unsigned int cpu_id;
+ unsigned int flags;
+#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
+#define CPU_IS_FIRST_CORE_IN_PACKAGE 0x4
+} * thread_delta, *thread_even, *thread_odd;
static struct core_data {
- unsigned long long c3;
- unsigned long long c6;
- unsigned long long c7;
- unsigned int core_temp_c;
- unsigned int core_id;
-} *core_delta, *core_even, *core_odd;
+ unsigned long long c3;
+ unsigned long long c6;
+ unsigned long long c7;
+ unsigned int core_temp_c;
+ unsigned int core_id;
+} * core_delta, *core_even, *core_odd;
static struct pkg_data {
- unsigned long long pc2;
- unsigned long long pc3;
- unsigned long long pc6;
- unsigned long long pc7;
- unsigned long long pc8;
- unsigned long long pc9;
- unsigned long long pc10;
- unsigned int package_id;
- uint32_t energy_pkg; /* MSR_PKG_ENERGY_STATUS */
- uint32_t energy_dram; /* MSR_DRAM_ENERGY_STATUS */
- uint32_t energy_cores; /* MSR_PP0_ENERGY_STATUS */
- uint32_t energy_gfx; /* MSR_PP1_ENERGY_STATUS */
- unsigned int tcc_activation_temp;
- unsigned int pkg_temp_c;
-} *package_delta, *package_even, *package_odd;
+ unsigned long long pc2;
+ unsigned long long pc3;
+ unsigned long long pc6;
+ unsigned long long pc7;
+ unsigned long long pc8;
+ unsigned long long pc9;
+ unsigned long long pc10;
+ unsigned int package_id;
+ uint32_t energy_pkg; /* MSR_PKG_ENERGY_STATUS */
+ uint32_t energy_dram; /* MSR_DRAM_ENERGY_STATUS */
+ uint32_t energy_cores; /* MSR_PP0_ENERGY_STATUS */
+ uint32_t energy_gfx; /* MSR_PP1_ENERGY_STATUS */
+ unsigned int tcc_activation_temp;
+ unsigned int pkg_temp_c;
+} * package_delta, *package_even, *package_odd;
#define DELTA_COUNTERS thread_delta, core_delta, package_delta
#define ODD_COUNTERS thread_odd, core_odd, package_odd
static _Bool allocated = 0;
static _Bool initialized = 0;
-#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
- (thread_base + \
- (pkg_no) * topology.num_cores * topology.num_threads + \
- (core_no) * topology.num_threads + \
- (thread_no))
-#define GET_CORE(core_base, core_no, pkg_no) \
- (core_base + \
- (pkg_no) * topology.num_cores + \
- (core_no))
+#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
+ (thread_base + (pkg_no)*topology.num_cores * topology.num_threads + \
+ (core_no)*topology.num_threads + (thread_no))
+#define GET_CORE(core_base, core_no, pkg_no) \
+ (core_base + (pkg_no)*topology.num_cores + (core_no))
#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
struct cpu_topology {
- unsigned int package_id;
- unsigned int core_id;
- _Bool first_core_in_package;
- _Bool first_thread_in_core;
+ unsigned int package_id;
+ unsigned int core_id;
+ _Bool first_core_in_package;
+ _Bool first_thread_in_core;
};
static struct topology {
- unsigned int max_cpu_id;
- unsigned int num_packages;
- unsigned int num_cores;
- unsigned int num_threads;
- struct cpu_topology *cpus;
+ unsigned int max_cpu_id;
+ unsigned int num_packages;
+ unsigned int num_cores;
+ unsigned int num_threads;
+ struct cpu_topology *cpus;
} topology;
static cdtime_t time_even, time_odd, time_delta;
-static const char *config_keys[] =
-{
- "CoreCstates",
- "PackageCstates",
- "SystemManagementInterrupt",
- "DigitalTemperatureSensor",
- "PackageThermalManagement",
- "TCCActivationTemp",
- "RunningAveragePowerLimit",
- "LogicalCoreNames",
+static const char *config_keys[] = {
+ "CoreCstates",
+ "PackageCstates",
+ "SystemManagementInterrupt",
+ "DigitalTemperatureSensor",
+ "PackageThermalManagement",
+ "TCCActivationTemp",
+ "RunningAveragePowerLimit",
+ "LogicalCoreNames",
};
-static const int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+static const int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
/*****************************
* MSR Manipulation helpers *
/*
* Open a MSR device for reading
- * Can change the scheduling affinity of the current process if multiple_read is 1
+ * Can change the scheduling affinity of the current process if multiple_read is
+ * 1
*/
static int __attribute__((warn_unused_result))
-open_msr(unsigned int cpu, _Bool multiple_read)
-{
- char pathname[32];
- int fd;
-
- /*
- * If we need to do multiple read, let's migrate to the CPU
- * Otherwise, we would lose time calling functions on another CPU
- *
- * If we are not yet initialized (cpu_affinity_setsize = 0),
- * we need to skip this optimisation.
- */
- if (multiple_read && cpu_affinity_setsize) {
- CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
- CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
- if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) {
- ERROR("turbostat plugin: Could not migrate to CPU %d", cpu);
- return -1;
- }
- }
-
- ssnprintf(pathname, sizeof(pathname), "/dev/cpu/%d/msr", cpu);
- fd = open(pathname, O_RDONLY);
- if (fd < 0) {
- ERROR("turbostat plugin: failed to open %s", pathname);
- return -1;
- }
- return fd;
+open_msr(unsigned int cpu, _Bool multiple_read) {
+ char pathname[32];
+ int fd;
+
+ /*
+ * If we need to do multiple read, let's migrate to the CPU
+ * Otherwise, we would lose time calling functions on another CPU
+ *
+ * If we are not yet initialized (cpu_affinity_setsize = 0),
+ * we need to skip this optimisation.
+ */
+ if (multiple_read && cpu_affinity_setsize) {
+ CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
+ CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
+ if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1) {
+ ERROR("turbostat plugin: Could not migrate to CPU %d", cpu);
+ return -1;
+ }
+ }
+
+ snprintf(pathname, sizeof(pathname), "/dev/cpu/%d/msr", cpu);
+ fd = open(pathname, O_RDONLY);
+ if (fd < 0) {
+ ERROR("turbostat plugin: failed to open %s", pathname);
+ return -1;
+ }
+ return fd;
}
/*
* Read a single MSR from an open file descriptor
*/
static int __attribute__((warn_unused_result))
-read_msr(int fd, off_t offset, unsigned long long *msr)
-{
- ssize_t retval;
-
- retval = pread(fd, msr, sizeof *msr, offset);
-
- if (retval != sizeof *msr) {
- ERROR("turbostat plugin: MSR offset 0x%llx read failed",
- (unsigned long long)offset);
- return -1;
- }
- return 0;
+read_msr(int fd, off_t offset, unsigned long long *msr) {
+ ssize_t retval;
+
+ retval = pread(fd, msr, sizeof *msr, offset);
+
+ if (retval != sizeof *msr) {
+ ERROR("turbostat plugin: MSR offset 0x%llx read failed",
+ (unsigned long long)offset);
+ return -1;
+ }
+ return 0;
}
/*
* This call will not affect the scheduling affinity of this thread.
*/
static ssize_t __attribute__((warn_unused_result))
-get_msr(unsigned int cpu, off_t offset, unsigned long long *msr)
-{
- ssize_t retval;
- int fd;
-
- fd = open_msr(cpu, 0);
- if (fd < 0)
- return fd;
- retval = read_msr(fd, offset, msr);
- close(fd);
- return retval;
+get_msr(unsigned int cpu, off_t offset, unsigned long long *msr) {
+ ssize_t retval;
+ int fd;
+
+ fd = open_msr(cpu, 0);
+ if (fd < 0)
+ return fd;
+ retval = read_msr(fd, offset, msr);
+ close(fd);
+ return retval;
}
-
/********************************
* Raw data acquisition (1 CPU) *
********************************/
/*
* Read every data avalaible for a single CPU
*
- * Core data is shared for all threads in one core: extracted only for the first thread
- * Package data is shared for all core in one package: extracted only for the first thread of the first core
+ * Core data is shared for all threads in one core: extracted only for the first
+ * thread
+ * Package data is shared for all core in one package: extracted only for the
+ * first thread of the first core
*
* Side effect: migrates to the targeted CPU
*/
static int __attribute__((warn_unused_result))
-get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
-{
- unsigned int cpu = t->cpu_id;
- unsigned long long msr;
- int msr_fd;
- int retval = 0;
-
- msr_fd = open_msr(cpu, 1);
- if (msr_fd < 0)
- return msr_fd;
-
-#define READ_MSR(msr, dst) \
-do { \
- if (read_msr(msr_fd, msr, dst)) { \
- ERROR("turbostat plugin: Unable to read " #msr); \
- retval = -1; \
- goto out; \
- } \
-} while (0)
-
- READ_MSR(MSR_IA32_TSC, &t->tsc);
-
- READ_MSR(MSR_IA32_APERF, &t->aperf);
- READ_MSR(MSR_IA32_MPERF, &t->mperf);
-
- if (do_smi) {
- READ_MSR(MSR_SMI_COUNT, &msr);
- t->smi_count = msr & 0xFFFFFFFF;
- }
-
- /* collect core counters only for 1st thread in core */
- if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) {
- retval = 0;
- goto out;
- }
-
- if (do_core_cstate & (1 << 3))
- READ_MSR(MSR_CORE_C3_RESIDENCY, &c->c3);
- if (do_core_cstate & (1 << 6))
- READ_MSR(MSR_CORE_C6_RESIDENCY, &c->c6);
- if (do_core_cstate & (1 << 7))
- READ_MSR(MSR_CORE_C7_RESIDENCY, &c->c7);
-
- if (do_dts) {
- READ_MSR(MSR_IA32_THERM_STATUS, &msr);
- c->core_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
- }
-
- /* collect package counters only for 1st core in package */
- if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
- retval = 0;
- goto out;
- }
-
- if (do_pkg_cstate & (1 << 2))
- READ_MSR(MSR_PKG_C2_RESIDENCY, &p->pc2);
- if (do_pkg_cstate & (1 << 3))
- READ_MSR(MSR_PKG_C3_RESIDENCY, &p->pc3);
- if (do_pkg_cstate & (1 << 6))
- READ_MSR(MSR_PKG_C6_RESIDENCY, &p->pc6);
- if (do_pkg_cstate & (1 << 7))
- READ_MSR(MSR_PKG_C7_RESIDENCY, &p->pc7);
- if (do_pkg_cstate & (1 << 8))
- READ_MSR(MSR_PKG_C8_RESIDENCY, &p->pc8);
- if (do_pkg_cstate & (1 << 9))
- READ_MSR(MSR_PKG_C9_RESIDENCY, &p->pc9);
- if (do_pkg_cstate & (1 << 10))
- READ_MSR(MSR_PKG_C10_RESIDENCY, &p->pc10);
-
- if (do_rapl & RAPL_PKG) {
- READ_MSR(MSR_PKG_ENERGY_STATUS, &msr);
- p->energy_pkg = msr & 0xFFFFFFFF;
- }
- if (do_rapl & RAPL_CORES) {
- READ_MSR(MSR_PP0_ENERGY_STATUS, &msr);
- p->energy_cores = msr & 0xFFFFFFFF;
- }
- if (do_rapl & RAPL_DRAM) {
- READ_MSR(MSR_DRAM_ENERGY_STATUS, &msr);
- p->energy_dram = msr & 0xFFFFFFFF;
- }
- if (do_rapl & RAPL_GFX) {
- READ_MSR(MSR_PP1_ENERGY_STATUS, &msr);
- p->energy_gfx = msr & 0xFFFFFFFF;
- }
- if (do_ptm) {
- READ_MSR(MSR_IA32_PACKAGE_THERM_STATUS, &msr);
- p->pkg_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
- }
+get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p) {
+ unsigned int cpu = t->cpu_id;
+ unsigned long long msr;
+ int msr_fd;
+ int retval = 0;
+
+ msr_fd = open_msr(cpu, 1);
+ if (msr_fd < 0)
+ return msr_fd;
+
+#define READ_MSR(msr, dst) \
+ do { \
+ if (read_msr(msr_fd, msr, dst)) { \
+ ERROR("turbostat plugin: Unable to read " #msr); \
+ retval = -1; \
+ goto out; \
+ } \
+ } while (0)
+
+ READ_MSR(MSR_IA32_TSC, &t->tsc);
+
+ READ_MSR(MSR_IA32_APERF, &t->aperf);
+ READ_MSR(MSR_IA32_MPERF, &t->mperf);
+
+ if (do_smi) {
+ READ_MSR(MSR_SMI_COUNT, &msr);
+ t->smi_count = msr & 0xFFFFFFFF;
+ }
+
+ /* collect core counters only for 1st thread in core */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE)) {
+ retval = 0;
+ goto out;
+ }
+
+ if (do_core_cstate & (1 << 3))
+ READ_MSR(MSR_CORE_C3_RESIDENCY, &c->c3);
+ if (do_core_cstate & (1 << 6))
+ READ_MSR(MSR_CORE_C6_RESIDENCY, &c->c6);
+ if (do_core_cstate & (1 << 7))
+ READ_MSR(MSR_CORE_C7_RESIDENCY, &c->c7);
+
+ if (do_dts) {
+ READ_MSR(MSR_IA32_THERM_STATUS, &msr);
+ c->core_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
+ }
+
+ /* collect package counters only for 1st core in package */
+ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
+ retval = 0;
+ goto out;
+ }
+
+ if (do_pkg_cstate & (1 << 2))
+ READ_MSR(MSR_PKG_C2_RESIDENCY, &p->pc2);
+ if (do_pkg_cstate & (1 << 3))
+ READ_MSR(MSR_PKG_C3_RESIDENCY, &p->pc3);
+ if (do_pkg_cstate & (1 << 6))
+ READ_MSR(MSR_PKG_C6_RESIDENCY, &p->pc6);
+ if (do_pkg_cstate & (1 << 7))
+ READ_MSR(MSR_PKG_C7_RESIDENCY, &p->pc7);
+ if (do_pkg_cstate & (1 << 8))
+ READ_MSR(MSR_PKG_C8_RESIDENCY, &p->pc8);
+ if (do_pkg_cstate & (1 << 9))
+ READ_MSR(MSR_PKG_C9_RESIDENCY, &p->pc9);
+ if (do_pkg_cstate & (1 << 10))
+ READ_MSR(MSR_PKG_C10_RESIDENCY, &p->pc10);
+
+ if (do_rapl & RAPL_PKG) {
+ READ_MSR(MSR_PKG_ENERGY_STATUS, &msr);
+ p->energy_pkg = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_CORES) {
+ READ_MSR(MSR_PP0_ENERGY_STATUS, &msr);
+ p->energy_cores = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_DRAM) {
+ READ_MSR(MSR_DRAM_ENERGY_STATUS, &msr);
+ p->energy_dram = msr & 0xFFFFFFFF;
+ }
+ if (do_rapl & RAPL_GFX) {
+ READ_MSR(MSR_PP1_ENERGY_STATUS, &msr);
+ p->energy_gfx = msr & 0xFFFFFFFF;
+ }
+ if (do_ptm) {
+ READ_MSR(MSR_IA32_PACKAGE_THERM_STATUS, &msr);
+ p->pkg_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
+ }
out:
- close(msr_fd);
- return retval;
+ close(msr_fd);
+ return retval;
}
-
/**********************************
* Evaluating the changes (1 CPU) *
**********************************/
* Extract the evolution old->new in delta at a package level
* (some are not new-delta, e.g. temperature)
*/
-static inline void
-delta_package(struct pkg_data *delta, const struct pkg_data *new, const struct pkg_data *old)
-{
- delta->pc2 = new->pc2 - old->pc2;
- delta->pc3 = new->pc3 - old->pc3;
- delta->pc6 = new->pc6 - old->pc6;
- delta->pc7 = new->pc7 - old->pc7;
- delta->pc8 = new->pc8 - old->pc8;
- delta->pc9 = new->pc9 - old->pc9;
- delta->pc10 = new->pc10 - old->pc10;
- delta->pkg_temp_c = new->pkg_temp_c;
-
- delta->energy_pkg = new->energy_pkg - old->energy_pkg;
- delta->energy_cores = new->energy_cores - old->energy_cores;
- delta->energy_gfx = new->energy_gfx - old->energy_gfx;
- delta->energy_dram = new->energy_dram - old->energy_dram;
+static inline void delta_package(struct pkg_data *delta,
+ const struct pkg_data *new,
+ const struct pkg_data *old) {
+ delta->pc2 = new->pc2 - old->pc2;
+ delta->pc3 = new->pc3 - old->pc3;
+ delta->pc6 = new->pc6 - old->pc6;
+ delta->pc7 = new->pc7 - old->pc7;
+ delta->pc8 = new->pc8 - old->pc8;
+ delta->pc9 = new->pc9 - old->pc9;
+ delta->pc10 = new->pc10 - old->pc10;
+ delta->pkg_temp_c = new->pkg_temp_c;
+
+ delta->energy_pkg = new->energy_pkg - old->energy_pkg;
+ delta->energy_cores = new->energy_cores - old->energy_cores;
+ delta->energy_gfx = new->energy_gfx - old->energy_gfx;
+ delta->energy_dram = new->energy_dram - old->energy_dram;
}
/*
* Extract the evolution old->new in delta at a core level
* (some are not new-delta, e.g. temperature)
*/
-static inline void
-delta_core(struct core_data *delta, const struct core_data *new, const struct core_data *old)
-{
- delta->c3 = new->c3 - old->c3;
- delta->c6 = new->c6 - old->c6;
- delta->c7 = new->c7 - old->c7;
- delta->core_temp_c = new->core_temp_c;
+static inline void delta_core(struct core_data *delta,
+ const struct core_data *new,
+ const struct core_data *old) {
+ delta->c3 = new->c3 - old->c3;
+ delta->c6 = new->c6 - old->c6;
+ delta->c7 = new->c7 - old->c7;
+ delta->core_temp_c = new->core_temp_c;
}
/*
* core_delta is required for c1 estimation (tsc - c0 - all core cstates)
*/
static inline int __attribute__((warn_unused_result))
-delta_thread(struct thread_data *delta, const struct thread_data *new, const struct thread_data *old,
- const struct core_data *cdelta)
-{
- delta->tsc = new->tsc - old->tsc;
-
- /* check for TSC < 1 Mcycles over interval */
- if (delta->tsc < (1000 * 1000)) {
- WARNING("turbostat plugin: Insanely slow TSC rate, TSC stops "
- "in idle? You can disable all c-states by booting with"
- " 'idle=poll' or just the deep ones with"
- " 'processor.max_cstate=1'");
- return -1;
- }
-
- delta->c1 = new->c1 - old->c1;
-
- if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
- delta->aperf = new->aperf - old->aperf;
- delta->mperf = new->mperf - old->mperf;
- } else {
- if (!aperf_mperf_unstable) {
- WARNING("turbostat plugin: APERF or MPERF went "
- "backwards. Frequency results do not cover "
- "the entire interval. Fix this by running "
- "Linux-2.6.30 or later.");
-
- aperf_mperf_unstable = 1;
- }
- }
-
- /*
- * As counter collection is not atomic,
- * it is possible for mperf's non-halted cycles + idle states
- * to exceed TSC's all cycles: show c1 = 0% in that case.
- */
- if ((delta->mperf + cdelta->c3 + cdelta->c6 + cdelta->c7) > delta->tsc)
- delta->c1 = 0;
- else {
- /* normal case, derive c1 */
- delta->c1 = delta->tsc - delta->mperf - cdelta->c3
- - cdelta->c6 - cdelta->c7;
- }
-
- if (delta->mperf == 0) {
- WARNING("turbostat plugin: cpu%d MPERF 0!", old->cpu_id);
- delta->mperf = 1; /* divide by 0 protection */
- }
-
- if (do_smi)
- delta->smi_count = new->smi_count - old->smi_count;
-
- return 0;
+delta_thread(struct thread_data *delta, const struct thread_data *new,
+ const struct thread_data *old, const struct core_data *cdelta) {
+ delta->tsc = new->tsc - old->tsc;
+
+ /* check for TSC < 1 Mcycles over interval */
+ if (delta->tsc < (1000 * 1000)) {
+ WARNING("turbostat plugin: Insanely slow TSC rate, TSC stops "
+ "in idle? You can disable all c-states by booting with"
+ " 'idle=poll' or just the deep ones with"
+ " 'processor.max_cstate=1'");
+ return -1;
+ }
+
+ delta->c1 = new->c1 - old->c1;
+
+ if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
+ delta->aperf = new->aperf - old->aperf;
+ delta->mperf = new->mperf - old->mperf;
+ } else {
+ if (!aperf_mperf_unstable) {
+ WARNING("turbostat plugin: APERF or MPERF went "
+ "backwards. Frequency results do not cover "
+ "the entire interval. Fix this by running "
+ "Linux-2.6.30 or later.");
+
+ aperf_mperf_unstable = 1;
+ }
+ }
+
+ /*
+ * As counter collection is not atomic,
+ * it is possible for mperf's non-halted cycles + idle states
+ * to exceed TSC's all cycles: show c1 = 0% in that case.
+ */
+ if ((delta->mperf + cdelta->c3 + cdelta->c6 + cdelta->c7) > delta->tsc)
+ delta->c1 = 0;
+ else {
+ /* normal case, derive c1 */
+ delta->c1 =
+ delta->tsc - delta->mperf - cdelta->c3 - cdelta->c6 - cdelta->c7;
+ }
+
+ if (delta->mperf == 0) {
+ WARNING("turbostat plugin: cpu%d MPERF 0!", old->cpu_id);
+ delta->mperf = 1; /* divide by 0 protection */
+ }
+
+ if (do_smi)
+ delta->smi_count = new->smi_count - old->smi_count;
+
+ return 0;
}
/**********************************
/*
* Submit one gauge value
*/
-static void
-turbostat_submit (const char *plugin_instance,
- const char *type, const char *type_instance,
- gauge_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
-
- vl.values = &(value_t) { .gauge = value };
- vl.values_len = 1;
- sstrncpy (vl.plugin, PLUGIN_NAME, sizeof (vl.plugin));
- if (plugin_instance != NULL)
- sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_instance != NULL)
- sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
-
- plugin_dispatch_values (&vl);
+static void turbostat_submit(const char *plugin_instance, const char *type,
+ const char *type_instance, gauge_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = &(value_t){.gauge = value};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, PLUGIN_NAME, sizeof(vl.plugin));
+ if (plugin_instance != NULL)
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ if (type_instance != NULL)
+ sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
+
+ plugin_dispatch_values(&vl);
}
/*
* Submit every data for a single CPU
*
- * Core data is shared for all threads in one core: submitted only for the first thread
- * Package data is shared for all core in one package: submitted only for the first thread of the first core
+ * Core data is shared for all threads in one core: submitted only for the first
+ * thread
+ * Package data is shared for all core in one package: submitted only for the
+ * first thread of the first core
*/
-static int
-submit_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
-{
- char name[DATA_MAX_NAME_LEN];
- double interval_float;
-
- interval_float = CDTIME_T_TO_DOUBLE(time_delta);
-
- DEBUG("turbostat plugin: submit stats for cpu: %d, core: %d, pkg: %d",
- t->cpu_id, c->core_id, p->package_id);
-
- ssnprintf(name, sizeof(name), "cpu%02d", t->cpu_id);
-
- if (!aperf_mperf_unstable)
- turbostat_submit(name, "percent", "c0", 100.0 * t->mperf/t->tsc);
- if (!aperf_mperf_unstable)
- turbostat_submit(name, "percent", "c1", 100.0 * t->c1/t->tsc);
-
- turbostat_submit(name, "frequency", "average", 1.0 / 1000000 * t->aperf / interval_float);
-
- if ((!aperf_mperf_unstable) || (!(t->aperf > t->tsc || t->mperf > t->tsc)))
- turbostat_submit(name, "frequency", "busy", 1.0 * t->tsc / 1000000 * t->aperf / t->mperf / interval_float);
-
- /* Sanity check (should stay stable) */
- turbostat_submit(name, "gauge", "TSC", 1.0 * t->tsc / 1000000 / interval_float);
-
- /* SMI */
- if (do_smi)
- turbostat_submit(name, "count", NULL, t->smi_count);
-
- /* submit per-core data only for 1st thread in core */
- if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
- goto done;
-
- /* If not using logical core numbering, set core id */
- if (!config_lcn) {
- ssnprintf(name, sizeof(name), "core%02d", c->core_id);
- }
-
- if (do_core_cstate & (1 << 3))
- turbostat_submit(name, "percent", "c3", 100.0 * c->c3/t->tsc);
- if (do_core_cstate & (1 << 6))
- turbostat_submit(name, "percent", "c6", 100.0 * c->c6/t->tsc);
- if (do_core_cstate & (1 << 7))
- turbostat_submit(name, "percent", "c7", 100.0 * c->c7/t->tsc);
-
- if (do_dts)
- turbostat_submit(name, "temperature", NULL, c->core_temp_c);
-
- /* submit per-package data only for 1st core in package */
- if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
- goto done;
-
- ssnprintf(name, sizeof(name), "pkg%02d", p->package_id);
-
- if (do_ptm)
- turbostat_submit(name, "temperature", NULL, p->pkg_temp_c);
-
- if (do_pkg_cstate & (1 << 2))
- turbostat_submit(name, "percent", "pc2", 100.0 * p->pc2/t->tsc);
- if (do_pkg_cstate & (1 << 3))
- turbostat_submit(name, "percent", "pc3", 100.0 * p->pc3/t->tsc);
- if (do_pkg_cstate & (1 << 6))
- turbostat_submit(name, "percent", "pc6", 100.0 * p->pc6/t->tsc);
- if (do_pkg_cstate & (1 << 7))
- turbostat_submit(name, "percent", "pc7", 100.0 * p->pc7/t->tsc);
- if (do_pkg_cstate & (1 << 8))
- turbostat_submit(name, "percent", "pc8", 100.0 * p->pc8/t->tsc);
- if (do_pkg_cstate & (1 << 9))
- turbostat_submit(name, "percent", "pc9", 100.0 * p->pc9/t->tsc);
- if (do_pkg_cstate & (1 << 10))
- turbostat_submit(name, "percent", "pc10", 100.0 * p->pc10/t->tsc);
-
- if (do_rapl) {
- if (do_rapl & RAPL_PKG)
- turbostat_submit(name, "power", "pkg", p->energy_pkg * rapl_energy_units / interval_float);
- if (do_rapl & RAPL_CORES)
- turbostat_submit(name, "power", "cores", p->energy_cores * rapl_energy_units / interval_float);
- if (do_rapl & RAPL_GFX)
- turbostat_submit(name, "power", "GFX", p->energy_gfx * rapl_energy_units / interval_float);
- if (do_rapl & RAPL_DRAM)
- turbostat_submit(name, "power", "DRAM", p->energy_dram * rapl_energy_units / interval_float);
- }
+static int submit_counters(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p) {
+ char name[DATA_MAX_NAME_LEN];
+ double interval_float;
+
+ interval_float = CDTIME_T_TO_DOUBLE(time_delta);
+
+ DEBUG("turbostat plugin: submit stats for cpu: %d, core: %d, pkg: %d",
+ t->cpu_id, c->core_id, p->package_id);
+
+ snprintf(name, sizeof(name), "cpu%02d", t->cpu_id);
+
+ if (!aperf_mperf_unstable)
+ turbostat_submit(name, "percent", "c0", 100.0 * t->mperf / t->tsc);
+ if (!aperf_mperf_unstable)
+ turbostat_submit(name, "percent", "c1", 100.0 * t->c1 / t->tsc);
+
+ turbostat_submit(name, "frequency", "average",
+ 1.0 / 1000000 * t->aperf / interval_float);
+
+ if ((!aperf_mperf_unstable) || (!(t->aperf > t->tsc || t->mperf > t->tsc)))
+ turbostat_submit(name, "frequency", "busy",
+ 1.0 * t->tsc / 1000000 * t->aperf / t->mperf /
+ interval_float);
+
+ /* Sanity check (should stay stable) */
+ turbostat_submit(name, "gauge", "TSC",
+ 1.0 * t->tsc / 1000000 / interval_float);
+
+ /* SMI */
+ if (do_smi)
+ turbostat_submit(name, "count", NULL, t->smi_count);
+
+ /* submit per-core data only for 1st thread in core */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
+ goto done;
+
+ /* If not using logical core numbering, set core id */
+ if (!config_lcn) {
+ if (topology.num_packages > 1)
+ snprintf(name, sizeof(name), "pkg%02d-core%02d", p->package_id,
+ c->core_id);
+ else
+ snprintf(name, sizeof(name), "core%02d", c->core_id);
+ }
+
+ if (do_core_cstate & (1 << 3))
+ turbostat_submit(name, "percent", "c3", 100.0 * c->c3 / t->tsc);
+ if (do_core_cstate & (1 << 6))
+ turbostat_submit(name, "percent", "c6", 100.0 * c->c6 / t->tsc);
+ if (do_core_cstate & (1 << 7))
+ turbostat_submit(name, "percent", "c7", 100.0 * c->c7 / t->tsc);
+
+ if (do_dts)
+ turbostat_submit(name, "temperature", NULL, c->core_temp_c);
+
+ /* submit per-package data only for 1st core in package */
+ if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ goto done;
+
+ snprintf(name, sizeof(name), "pkg%02d", p->package_id);
+
+ if (do_ptm)
+ turbostat_submit(name, "temperature", NULL, p->pkg_temp_c);
+
+ if (do_pkg_cstate & (1 << 2))
+ turbostat_submit(name, "percent", "pc2", 100.0 * p->pc2 / t->tsc);
+ if (do_pkg_cstate & (1 << 3))
+ turbostat_submit(name, "percent", "pc3", 100.0 * p->pc3 / t->tsc);
+ if (do_pkg_cstate & (1 << 6))
+ turbostat_submit(name, "percent", "pc6", 100.0 * p->pc6 / t->tsc);
+ if (do_pkg_cstate & (1 << 7))
+ turbostat_submit(name, "percent", "pc7", 100.0 * p->pc7 / t->tsc);
+ if (do_pkg_cstate & (1 << 8))
+ turbostat_submit(name, "percent", "pc8", 100.0 * p->pc8 / t->tsc);
+ if (do_pkg_cstate & (1 << 9))
+ turbostat_submit(name, "percent", "pc9", 100.0 * p->pc9 / t->tsc);
+ if (do_pkg_cstate & (1 << 10))
+ turbostat_submit(name, "percent", "pc10", 100.0 * p->pc10 / t->tsc);
+
+ if (do_rapl) {
+ if (do_rapl & RAPL_PKG)
+ turbostat_submit(name, "power", "pkg",
+ p->energy_pkg * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_CORES)
+ turbostat_submit(name, "power", "cores",
+ p->energy_cores * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_GFX)
+ turbostat_submit(name, "power", "GFX",
+ p->energy_gfx * rapl_energy_units / interval_float);
+ if (do_rapl & RAPL_DRAM)
+ turbostat_submit(name, "power", "DRAM",
+ p->energy_dram * rapl_energy_units / interval_float);
+ }
done:
- return 0;
+ return 0;
}
-
/**********************************
* Looping function over all CPUs *
**********************************/
/*
* Check if a given cpu id is in our compiled list of existing CPUs
*/
-static int
-cpu_is_not_present(unsigned int cpu)
-{
- return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
+static int cpu_is_not_present(unsigned int cpu) {
+ return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
}
/*
* Return the error code at the first error or 0
*/
static int __attribute__((warn_unused_result))
-for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
- struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
-{
- int retval;
-
- for (unsigned int pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
- for (unsigned int core_no = 0; core_no < topology.num_cores; ++core_no) {
- for (unsigned int thread_no = 0; thread_no < topology.num_threads; ++thread_no) {
- struct thread_data *t;
- struct core_data *c;
- struct pkg_data *p;
-
- t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
-
- if (cpu_is_not_present(t->cpu_id))
- continue;
-
- c = GET_CORE(core_base, core_no, pkg_no);
- p = GET_PKG(pkg_base, pkg_no);
-
- retval = func(t, c, p);
- if (retval)
- return retval;
- }
- }
- }
- return 0;
+for_all_cpus(int(func)(struct thread_data *, struct core_data *,
+ struct pkg_data *),
+ struct thread_data *thread_base, struct core_data *core_base,
+ struct pkg_data *pkg_base) {
+ int retval;
+
+ for (unsigned int pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
+ for (unsigned int core_no = 0; core_no < topology.num_cores; ++core_no) {
+ for (unsigned int thread_no = 0; thread_no < topology.num_threads;
+ ++thread_no) {
+ struct thread_data *t;
+ struct core_data *c;
+ struct pkg_data *p;
+
+ t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);
+
+ if (cpu_is_not_present(t->cpu_id))
+ continue;
+
+ c = GET_CORE(core_base, core_no, pkg_no);
+ p = GET_PKG(pkg_base, pkg_no);
+
+ retval = func(t, c, p);
+ if (retval)
+ return retval;
+ }
+ }
+ }
+ return 0;
}
/*
* Skip non-present cpus
* Return the error code at the first error or 0
*
- * Core data is shared for all threads in one core: extracted only for the first thread
- * Package data is shared for all core in one package: extracted only for the first thread of the first core
+ * Core data is shared for all threads in one core: extracted only for the first
+ * thread
+ * Package data is shared for all core in one package: extracted only for the
+ * first thread of the first core
*/
static int __attribute__((warn_unused_result))
-for_all_cpus_delta(const struct thread_data *thread_new_base, const struct core_data *core_new_base, const struct pkg_data *pkg_new_base,
- const struct thread_data *thread_old_base, const struct core_data *core_old_base, const struct pkg_data *pkg_old_base)
-{
- int retval;
-
- for (unsigned int pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
- for (unsigned int core_no = 0; core_no < topology.num_cores; ++core_no) {
- for (unsigned int thread_no = 0; thread_no < topology.num_threads; ++thread_no) {
- struct thread_data *t_delta;
- const struct thread_data *t_old, *t_new;
- struct core_data *c_delta;
-
- /* Get correct pointers for threads */
- t_delta = GET_THREAD(thread_delta, thread_no, core_no, pkg_no);
- t_new = GET_THREAD(thread_new_base, thread_no, core_no, pkg_no);
- t_old = GET_THREAD(thread_old_base, thread_no, core_no, pkg_no);
-
- /* Skip threads that disappeared */
- if (cpu_is_not_present(t_delta->cpu_id))
- continue;
-
- /* c_delta is always required for delta_thread */
- c_delta = GET_CORE(core_delta, core_no, pkg_no);
-
- /* calculate core delta only for 1st thread in core */
- if (t_new->flags & CPU_IS_FIRST_THREAD_IN_CORE) {
- const struct core_data *c_old, *c_new;
-
- c_new = GET_CORE(core_new_base, core_no, pkg_no);
- c_old = GET_CORE(core_old_base, core_no, pkg_no);
-
- delta_core(c_delta, c_new, c_old);
- }
-
- /* Always calculate thread delta */
- retval = delta_thread(t_delta, t_new, t_old, c_delta);
- if (retval)
- return retval;
-
- /* calculate package delta only for 1st core in package */
- if (t_new->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) {
- struct pkg_data *p_delta;
- const struct pkg_data *p_old, *p_new;
-
- p_delta = GET_PKG(package_delta, pkg_no);
- p_new = GET_PKG(pkg_new_base, pkg_no);
- p_old = GET_PKG(pkg_old_base, pkg_no);
-
- delta_package(p_delta, p_new, p_old);
- }
- }
- }
- }
- return 0;
+for_all_cpus_delta(const struct thread_data *thread_new_base,
+ const struct core_data *core_new_base,
+ const struct pkg_data *pkg_new_base,
+ const struct thread_data *thread_old_base,
+ const struct core_data *core_old_base,
+ const struct pkg_data *pkg_old_base) {
+ int retval;
+
+ for (unsigned int pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
+ for (unsigned int core_no = 0; core_no < topology.num_cores; ++core_no) {
+ for (unsigned int thread_no = 0; thread_no < topology.num_threads;
+ ++thread_no) {
+ struct thread_data *t_delta;
+ const struct thread_data *t_old, *t_new;
+ struct core_data *c_delta;
+
+ /* Get correct pointers for threads */
+ t_delta = GET_THREAD(thread_delta, thread_no, core_no, pkg_no);
+ t_new = GET_THREAD(thread_new_base, thread_no, core_no, pkg_no);
+ t_old = GET_THREAD(thread_old_base, thread_no, core_no, pkg_no);
+
+ /* Skip threads that disappeared */
+ if (cpu_is_not_present(t_delta->cpu_id))
+ continue;
+
+ /* c_delta is always required for delta_thread */
+ c_delta = GET_CORE(core_delta, core_no, pkg_no);
+
+ /* calculate core delta only for 1st thread in core */
+ if (t_new->flags & CPU_IS_FIRST_THREAD_IN_CORE) {
+ const struct core_data *c_old, *c_new;
+
+ c_new = GET_CORE(core_new_base, core_no, pkg_no);
+ c_old = GET_CORE(core_old_base, core_no, pkg_no);
+
+ delta_core(c_delta, c_new, c_old);
+ }
+
+ /* Always calculate thread delta */
+ retval = delta_thread(t_delta, t_new, t_old, c_delta);
+ if (retval)
+ return retval;
+
+ /* calculate package delta only for 1st core in package */
+ if (t_new->flags & CPU_IS_FIRST_CORE_IN_PACKAGE) {
+ struct pkg_data *p_delta;
+ const struct pkg_data *p_old, *p_new;
+
+ p_delta = GET_PKG(package_delta, pkg_no);
+ p_new = GET_PKG(pkg_new_base, pkg_no);
+ p_old = GET_PKG(pkg_old_base, pkg_no);
+
+ delta_package(p_delta, p_new, p_old);
+ }
+ }
+ }
+ }
+ return 0;
}
-
/***************
* CPU Probing *
***************/
* Package Thermal Management Sensor (PTM), and thermal event thresholds.
*/
static int __attribute__((warn_unused_result))
-set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
-{
- unsigned long long msr;
- unsigned int target_c_local;
+set_temperature_target(struct thread_data *t, struct core_data *c,
+ struct pkg_data *p) {
+ unsigned long long msr;
+ unsigned int target_c_local;
- /* tcc_activation_temp is used only for dts or ptm */
- if (!(do_dts || do_ptm))
- return 0;
+ /* tcc_activation_temp is used only for dts or ptm */
+ if (!(do_dts || do_ptm))
+ return 0;
- /* this is a per-package concept */
- if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
- return 0;
+ /* this is a per-package concept */
+ if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) ||
+ !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
+ return 0;
- if (tcc_activation_temp != 0) {
- p->tcc_activation_temp = tcc_activation_temp;
- return 0;
- }
+ if (tcc_activation_temp != 0) {
+ p->tcc_activation_temp = tcc_activation_temp;
+ return 0;
+ }
- if (get_msr(t->cpu_id, MSR_IA32_TEMPERATURE_TARGET, &msr))
- goto guess;
+ if (get_msr(t->cpu_id, MSR_IA32_TEMPERATURE_TARGET, &msr))
+ goto guess;
- target_c_local = (msr >> 16) & 0xFF;
+ target_c_local = (msr >> 16) & 0xFF;
- if (!target_c_local)
- goto guess;
+ if (!target_c_local)
+ goto guess;
- p->tcc_activation_temp = target_c_local;
+ p->tcc_activation_temp = target_c_local;
- return 0;
+ return 0;
guess:
- p->tcc_activation_temp = TJMAX_DEFAULT;
- WARNING("turbostat plugin: cpu%d: Guessing tjMax %d C,"
- " Please use TCCActivationTemp to specify it.",
- t->cpu_id, p->tcc_activation_temp);
+ p->tcc_activation_temp = TJMAX_DEFAULT;
+ WARNING("turbostat plugin: cpu%d: Guessing tjMax %d C,"
+ " Please use TCCActivationTemp to specify it.",
+ t->cpu_id, p->tcc_activation_temp);
- return 0;
+ return 0;
}
/*
* Identify the functionality of the CPU
*/
-static int __attribute__((warn_unused_result))
-probe_cpu(void)
-{
- unsigned int eax, ebx, ecx, edx, max_level;
- unsigned int fms, family, model;
-
- /* CPUID(0):
- * - EAX: Maximum Input Value for Basic CPUID Information
- * - EBX: "Genu" (0x756e6547)
- * - EDX: "ineI" (0x49656e69)
- * - ECX: "ntel" (0x6c65746e)
- */
- max_level = ebx = ecx = edx = 0;
- __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
- if (ebx != 0x756e6547 && edx != 0x49656e69 && ecx != 0x6c65746e) {
- ERROR("turbostat plugin: Unsupported CPU (not Intel)");
- return -1;
- }
-
- /* CPUID(1):
- * - EAX: Version Information: Type, Family, Model, and Stepping ID
- * + 4-7: Model ID
- * + 8-11: Family ID
- * + 12-13: Processor type
- * + 16-19: Extended Model ID
- * + 20-27: Extended Family ID
- * - EDX: Feature Information:
- * + 5: Support for MSR read/write operations
- */
- fms = ebx = ecx = edx = 0;
- __get_cpuid(1, &fms, &ebx, &ecx, &edx);
- family = (fms >> 8) & 0xf;
- model = (fms >> 4) & 0xf;
- if (family == 0xf)
- family += (fms >> 20) & 0xf;
- if (family == 6 || family == 0xf)
- model += ((fms >> 16) & 0xf) << 4;
- if (!(edx & (1 << 5))) {
- ERROR("turbostat plugin: Unsupported CPU (no MSR support)");
- return -1;
- }
-
- /*
- * CPUID(6):
- * - EAX:
- * + 0: Digital temperature sensor is supported if set
- * + 6: Package thermal management is supported if set
- * - ECX:
- * + 0: Hardware Coordination Feedback Capability (Presence of IA32_MPERF and IA32_APERF).
- * + 3: The processor supports performance-energy bias preference if set.
- * It also implies the presence of a new architectural MSR called IA32_ENERGY_PERF_BIAS
- *
- * This check is valid for both Intel and AMD
- */
- eax = ebx = ecx = edx = 0;
- __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
- do_dts = eax & (1 << 0);
- do_ptm = eax & (1 << 6);
- if (!(ecx & (1 << 0))) {
- ERROR("turbostat plugin: Unsupported CPU (No APERF)");
- return -1;
- }
-
- /*
- * Enable or disable C states depending on the model and family
- */
- if (family == 6) {
- switch (model) {
- /* Atom (partial) */
- case 0x27:
- do_smi = 0;
- do_core_cstate = 0;
- do_pkg_cstate = (1 << 2) | (1 << 4) | (1 << 6);
- break;
- /* Silvermont */
- case 0x37: /* BYT */
- case 0x4D: /* AVN */
- do_smi = 1;
- do_core_cstate = (1 << 1) | (1 << 6);
- do_pkg_cstate = (1 << 6);
- break;
- /* Nehalem */
- case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
- case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
- case 0x1F: /* Core i7 and i5 Processor - Nehalem */
- case 0x2E: /* Nehalem-EX Xeon - Beckton */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6);
- do_pkg_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- break;
- /* Westmere */
- case 0x25: /* Westmere Client - Clarkdale, Arrandale */
- case 0x2C: /* Westmere EP - Gulftown */
- case 0x2F: /* Westmere-EX Xeon - Eagleton */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6);
- do_pkg_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- break;
- /* Sandy Bridge */
- case 0x2A: /* SNB */
- case 0x2D: /* SNB Xeon */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
- break;
- /* Ivy Bridge */
- case 0x3A: /* IVB */
- case 0x3E: /* IVB Xeon */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
- break;
- /* Haswell Bridge */
- case 0x3C: /* HSW */
- case 0x3F: /* HSW */
- case 0x46: /* HSW */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
- break;
- case 0x45: /* HSW */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10);
- break;
- /* Broadwel */
- case 0x4F: /* BDW */
- case 0x56: /* BDX-DE */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
- break;
- case 0x3D: /* BDW */
- do_smi = 1;
- do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
- do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10);
- break;
- default:
- do_smi = 0;
- do_core_cstate = 0;
- do_pkg_cstate = 0;
- break;
- }
- switch (model) {
- case 0x2A: /* SNB */
- case 0x3A: /* IVB */
- case 0x3C: /* HSW */
- case 0x45: /* HSW */
- case 0x46: /* HSW */
- case 0x3D: /* BDW */
- do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
- break;
- case 0x3F: /* HSX */
- case 0x4F: /* BDX */
- case 0x56: /* BDX-DE */
- do_rapl = RAPL_PKG | RAPL_DRAM ;
- break;
- case 0x2D: /* SNB Xeon */
- case 0x3E: /* IVB Xeon */
- do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM;
- break;
- case 0x37: /* BYT */
- case 0x4D: /* AVN */
- do_rapl = RAPL_PKG | RAPL_CORES;
- break;
- default:
- do_rapl = 0;
- }
- } else {
- ERROR("turbostat plugin: Unsupported CPU (family: %#x, "
- "model: %#x)", family, model);
- return -1;
- }
-
- /* Override detected values with configuration */
- if (apply_config_core_cstate)
- do_core_cstate = config_core_cstate;
- if (apply_config_pkg_cstate)
- do_pkg_cstate = config_pkg_cstate;
- if (apply_config_smi)
- do_smi = config_smi;
- if (apply_config_dts)
- do_dts = config_dts;
- if (apply_config_ptm)
- do_ptm = config_ptm;
- if (apply_config_rapl)
- do_rapl = config_rapl;
-
- if (do_rapl) {
- unsigned long long msr;
- if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
- return 0;
-
- if (model == 0x37)
- rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
- else
- rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
- }
-
- return 0;
+static int __attribute__((warn_unused_result)) probe_cpu(void) {
+ unsigned int eax, ebx, ecx, edx, max_level;
+ unsigned int fms, family, model;
+
+ /* CPUID(0):
+ * - EAX: Maximum Input Value for Basic CPUID Information
+ * - EBX: "Genu" (0x756e6547)
+ * - EDX: "ineI" (0x49656e69)
+ * - ECX: "ntel" (0x6c65746e)
+ */
+ max_level = ebx = ecx = edx = 0;
+ __get_cpuid(0, &max_level, &ebx, &ecx, &edx);
+ if (ebx != 0x756e6547 && edx != 0x49656e69 && ecx != 0x6c65746e) {
+ ERROR("turbostat plugin: Unsupported CPU (not Intel)");
+ return -1;
+ }
+
+ /* CPUID(1):
+ * - EAX: Version Information: Type, Family, Model, and Stepping ID
+ * + 4-7: Model ID
+ * + 8-11: Family ID
+ * + 12-13: Processor type
+ * + 16-19: Extended Model ID
+ * + 20-27: Extended Family ID
+ * - EDX: Feature Information:
+ * + 5: Support for MSR read/write operations
+ */
+ fms = ebx = ecx = edx = 0;
+ __get_cpuid(1, &fms, &ebx, &ecx, &edx);
+ family = (fms >> 8) & 0xf;
+ model = (fms >> 4) & 0xf;
+ if (family == 0xf)
+ family += (fms >> 20) & 0xf;
+ if (family == 6 || family == 0xf)
+ model += ((fms >> 16) & 0xf) << 4;
+ if (!(edx & (1 << 5))) {
+ ERROR("turbostat plugin: Unsupported CPU (no MSR support)");
+ return -1;
+ }
+
+ /*
+ * CPUID(6):
+ * - EAX:
+ * + 0: Digital temperature sensor is supported if set
+ * + 6: Package thermal management is supported if set
+ * - ECX:
+ * + 0: Hardware Coordination Feedback Capability (Presence of IA32_MPERF and
+ * IA32_APERF).
+ * + 3: The processor supports performance-energy bias preference if set.
+ * It also implies the presence of a new architectural MSR called
+ * IA32_ENERGY_PERF_BIAS
+ *
+ * This check is valid for both Intel and AMD
+ */
+ eax = ebx = ecx = edx = 0;
+ __get_cpuid(0x6, &eax, &ebx, &ecx, &edx);
+ do_dts = eax & (1 << 0);
+ do_ptm = eax & (1 << 6);
+ if (!(ecx & (1 << 0))) {
+ ERROR("turbostat plugin: Unsupported CPU (No APERF)");
+ return -1;
+ }
+
+ /*
+ * Enable or disable C states depending on the model and family
+ */
+ if (family == 6) {
+ switch (model) {
+ /* Atom (partial) */
+ case 0x27:
+ do_smi = 0;
+ do_core_cstate = 0;
+ do_pkg_cstate = (1 << 2) | (1 << 4) | (1 << 6);
+ break;
+ /* Silvermont */
+ case 0x37: /* BYT */
+ case 0x4D: /* AVN */
+ do_smi = 1;
+ do_core_cstate = (1 << 1) | (1 << 6);
+ do_pkg_cstate = (1 << 6);
+ break;
+ /* Nehalem */
+ case 0x1A: /* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
+ case 0x1E: /* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper
+ Forest */
+ case 0x1F: /* Core i7 and i5 Processor - Nehalem */
+ case 0x2E: /* Nehalem-EX Xeon - Beckton */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6);
+ do_pkg_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ /* Westmere */
+ case 0x25: /* Westmere Client - Clarkdale, Arrandale */
+ case 0x2C: /* Westmere EP - Gulftown */
+ case 0x2F: /* Westmere-EX Xeon - Eagleton */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6);
+ do_pkg_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ /* Sandy Bridge */
+ case 0x2A: /* SNB */
+ case 0x2D: /* SNB Xeon */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ /* Ivy Bridge */
+ case 0x3A: /* IVB */
+ case 0x3E: /* IVB Xeon */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ /* Haswell Bridge */
+ case 0x3C: /* HSW */
+ case 0x3F: /* HSW */
+ case 0x46: /* HSW */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ case 0x45: /* HSW */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7) | (1 << 8) |
+ (1 << 9) | (1 << 10);
+ break;
+ /* Broadwel */
+ case 0x4F: /* BDW */
+ case 0x56: /* BDX-DE */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7);
+ break;
+ case 0x3D: /* BDW */
+ do_smi = 1;
+ do_core_cstate = (1 << 3) | (1 << 6) | (1 << 7);
+ do_pkg_cstate = (1 << 2) | (1 << 3) | (1 << 6) | (1 << 7) | (1 << 8) |
+ (1 << 9) | (1 << 10);
+ break;
+ default:
+ do_smi = 0;
+ do_core_cstate = 0;
+ do_pkg_cstate = 0;
+ break;
+ }
+ switch (model) {
+ case 0x2A: /* SNB */
+ case 0x3A: /* IVB */
+ case 0x3C: /* HSW */
+ case 0x45: /* HSW */
+ case 0x46: /* HSW */
+ case 0x3D: /* BDW */
+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_GFX;
+ break;
+ case 0x3F: /* HSX */
+ case 0x4F: /* BDX */
+ case 0x56: /* BDX-DE */
+ do_rapl = RAPL_PKG | RAPL_DRAM;
+ break;
+ case 0x2D: /* SNB Xeon */
+ case 0x3E: /* IVB Xeon */
+ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_DRAM;
+ break;
+ case 0x37: /* BYT */
+ case 0x4D: /* AVN */
+ do_rapl = RAPL_PKG | RAPL_CORES;
+ break;
+ default:
+ do_rapl = 0;
+ }
+ } else {
+ ERROR("turbostat plugin: Unsupported CPU (family: %#x, "
+ "model: %#x)",
+ family, model);
+ return -1;
+ }
+
+ /* Override detected values with configuration */
+ if (apply_config_core_cstate)
+ do_core_cstate = config_core_cstate;
+ if (apply_config_pkg_cstate)
+ do_pkg_cstate = config_pkg_cstate;
+ if (apply_config_smi)
+ do_smi = config_smi;
+ if (apply_config_dts)
+ do_dts = config_dts;
+ if (apply_config_ptm)
+ do_ptm = config_ptm;
+ if (apply_config_rapl)
+ do_rapl = config_rapl;
+
+ if (do_rapl) {
+ unsigned long long msr;
+ if (get_msr(0, MSR_RAPL_POWER_UNIT, &msr))
+ return 0;
+
+ if (model == 0x37)
+ rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
+ else
+ rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
+ }
+
+ return 0;
}
-
/********************
* Topology Probing *
********************/
/*
* Read a single int from a file.
*/
-static int __attribute__ ((format(printf,1,2)))
-parse_int_file(const char *fmt, ...)
-{
- va_list args;
- char path[PATH_MAX];
- int len;
-
- va_start(args, fmt);
- len = vsnprintf(path, sizeof(path), fmt, args);
- va_end(args);
- if (len < 0 || len >= PATH_MAX) {
- ERROR("turbostat plugin: path truncated: '%s'", path);
- return -1;
- }
-
- value_t v;
- if (parse_value_file (path, &v, DS_TYPE_DERIVE) != 0) {
- ERROR ("turbostat plugin: Parsing \"%s\" failed.", path);
- return -1;
- }
-
- return (int) v.derive;
+static int __attribute__((format(printf, 1, 2)))
+parse_int_file(const char *fmt, ...) {
+ va_list args;
+ char path[PATH_MAX];
+ int len;
+
+ va_start(args, fmt);
+ len = vsnprintf(path, sizeof(path), fmt, args);
+ va_end(args);
+ if (len < 0 || len >= PATH_MAX) {
+ ERROR("turbostat plugin: path truncated: '%s'", path);
+ return -1;
+ }
+
+ value_t v;
+ if (parse_value_file(path, &v, DS_TYPE_DERIVE) != 0) {
+ ERROR("turbostat plugin: Parsing \"%s\" failed.", path);
+ return -1;
+ }
+
+ return (int)v.derive;
}
-static int
-get_threads_on_core(unsigned int cpu)
-{
- char path[80];
- FILE *filep;
- int sib1, sib2;
- int matches;
- char character;
-
- ssnprintf(path, sizeof(path), "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
- filep = fopen(path, "r");
- if (!filep) {
- ERROR("turbostat plugin: Failed to open '%s'", path);
- return -1;
- }
- /*
- * file format:
- * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
- * otherwinse 1 sibling (self).
- */
- matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
-
- fclose(filep);
-
- if (matches == 3)
- return 2;
- else
- return 1;
+static int get_threads_on_core(unsigned int cpu) {
+ char path[80];
+ FILE *filep;
+ int sib1, sib2;
+ int matches;
+ char character;
+
+ snprintf(path, sizeof(path),
+ "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
+ filep = fopen(path, "r");
+ if (!filep) {
+ ERROR("turbostat plugin: Failed to open '%s'", path);
+ return -1;
+ }
+ /*
+ * file format:
+ * if a pair of number with a character between: 2 siblings (eg. 1-2, or 1,4)
+ * otherwinse 1 sibling (self).
+ */
+ matches = fscanf(filep, "%d%c%d\n", &sib1, &character, &sib2);
+
+ fclose(filep);
+
+ if (matches == 3)
+ return 2;
+ else
+ return 1;
}
/*
* return max_cpu number
*/
static int __attribute__((warn_unused_result))
-for_all_proc_cpus(int (func)(unsigned int))
-{
- FILE *fp;
- unsigned int cpu_num;
- int retval;
-
- fp = fopen("/proc/stat", "r");
- if (!fp) {
- ERROR("turbostat plugin: Failed to open /proc/stat");
- return -1;
- }
-
- retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
- if (retval != 0) {
- ERROR("turbostat plugin: Failed to parse /proc/stat");
- fclose(fp);
- return -1;
- }
-
- while (1) {
- retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
- if (retval != 1)
- break;
-
- retval = func(cpu_num);
- if (retval) {
- fclose(fp);
- return(retval);
- }
- }
- fclose(fp);
- return 0;
+for_all_proc_cpus(int(func)(unsigned int)) {
+ FILE *fp;
+ unsigned int cpu_num;
+ int retval;
+
+ fp = fopen("/proc/stat", "r");
+ if (!fp) {
+ ERROR("turbostat plugin: Failed to open /proc/stat");
+ return -1;
+ }
+
+ retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
+ if (retval != 0) {
+ ERROR("turbostat plugin: Failed to parse /proc/stat");
+ fclose(fp);
+ return -1;
+ }
+
+ while (1) {
+ retval =
+ fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
+ if (retval != 1)
+ break;
+
+ retval = func(cpu_num);
+ if (retval) {
+ fclose(fp);
+ return retval;
+ }
+ }
+ fclose(fp);
+ return 0;
}
/*
* Update the stored topology.max_cpu_id
*/
-static int
-update_max_cpu_id(unsigned int cpu)
-{
- if (topology.max_cpu_id < cpu)
- topology.max_cpu_id = cpu;
- return 0;
+static int update_max_cpu_id(unsigned int cpu) {
+ if (topology.max_cpu_id < cpu)
+ topology.max_cpu_id = cpu;
+ return 0;
}
-static int
-mark_cpu_present(unsigned int cpu)
-{
- CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
- return 0;
+static int mark_cpu_present(unsigned int cpu) {
+ CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
+ return 0;
}
static int __attribute__((warn_unused_result))
-allocate_cpu_set(cpu_set_t ** set, size_t * size) {
- *set = CPU_ALLOC(topology.max_cpu_id + 1);
- if (*set == NULL) {
- ERROR("turbostat plugin: Unable to allocate CPU state");
- return -1;
- }
- *size = CPU_ALLOC_SIZE(topology.max_cpu_id + 1);
- CPU_ZERO_S(*size, *set);
- return 0;
+allocate_cpu_set(cpu_set_t **set, size_t *size) {
+ *set = CPU_ALLOC(topology.max_cpu_id + 1);
+ if (*set == NULL) {
+ ERROR("turbostat plugin: Unable to allocate CPU state");
+ return -1;
+ }
+ *size = CPU_ALLOC_SIZE(topology.max_cpu_id + 1);
+ CPU_ZERO_S(*size, *set);
+ return 0;
}
/*
* Build a local representation of the cpu distribution
*/
-static int __attribute__((warn_unused_result))
-topology_probe(void)
-{
- int ret;
- unsigned int max_package_id, max_core_id, max_threads;
- max_package_id = max_core_id = max_threads = 0;
-
- /* Clean topology */
- free(topology.cpus);
- memset(&topology, 0, sizeof(topology));
-
- ret = for_all_proc_cpus(update_max_cpu_id);
- if (ret != 0)
- goto err;
-
- topology.cpus = calloc(1, (topology.max_cpu_id + 1) * sizeof(struct cpu_topology));
- if (topology.cpus == NULL) {
- ERROR("turbostat plugin: Unable to allocate memory for CPU topology");
- return -1;
- }
-
- ret = allocate_cpu_set(&cpu_present_set, &cpu_present_setsize);
- if (ret != 0)
- goto err;
- ret = allocate_cpu_set(&cpu_affinity_set, &cpu_affinity_setsize);
- if (ret != 0)
- goto err;
- ret = allocate_cpu_set(&cpu_saved_affinity_set, &cpu_saved_affinity_setsize);
- if (ret != 0)
- goto err;
-
- ret = for_all_proc_cpus(mark_cpu_present);
- if (ret != 0)
- goto err;
-
- /*
- * For online cpus
- * find max_core_id, max_package_id
- */
- for (unsigned int i = 0; i <= topology.max_cpu_id; ++i) {
- unsigned int num_threads;
- struct cpu_topology *cpu = &topology.cpus[i];
-
- if (cpu_is_not_present(i)) {
- WARNING("turbostat plugin: cpu%d NOT PRESENT", i);
- continue;
- }
-
- ret = parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
- if (ret < 0)
- goto err;
- else
- cpu->package_id = (unsigned int) ret;
- if (cpu->package_id > max_package_id)
- max_package_id = cpu->package_id;
-
- ret = parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", i);
- if (ret < 0)
- goto err;
- else
- cpu->core_id = (unsigned int) ret;
- if (cpu->core_id > max_core_id)
- max_core_id = cpu->core_id;
- ret = parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", i);
- if (ret < 0)
- goto err;
- else if ((unsigned int) ret == i)
- cpu->first_core_in_package = 1;
-
- ret = get_threads_on_core(i);
- if (ret < 0)
- goto err;
- else
- num_threads = (unsigned int) ret;
- if (num_threads > max_threads)
- max_threads = num_threads;
- ret = parse_int_file("/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", i);
- if (ret < 0)
- goto err;
- else if ((unsigned int) ret == i)
- cpu->first_thread_in_core = 1;
-
- DEBUG("turbostat plugin: cpu %d pkg %d core %d\n",
- i, cpu->package_id, cpu->core_id);
- }
- /* Num is max + 1 (need to count 0) */
- topology.num_packages = max_package_id + 1;
- topology.num_cores = max_core_id + 1;
- topology.num_threads = max_threads;
-
- return 0;
+static int __attribute__((warn_unused_result)) topology_probe(void) {
+ int ret;
+ unsigned int max_package_id, max_core_id, max_threads;
+ max_package_id = max_core_id = max_threads = 0;
+
+ /* Clean topology */
+ free(topology.cpus);
+ memset(&topology, 0, sizeof(topology));
+
+ ret = for_all_proc_cpus(update_max_cpu_id);
+ if (ret != 0)
+ goto err;
+
+ topology.cpus =
+ calloc(1, (topology.max_cpu_id + 1) * sizeof(struct cpu_topology));
+ if (topology.cpus == NULL) {
+ ERROR("turbostat plugin: Unable to allocate memory for CPU topology");
+ return -1;
+ }
+
+ ret = allocate_cpu_set(&cpu_present_set, &cpu_present_setsize);
+ if (ret != 0)
+ goto err;
+ ret = allocate_cpu_set(&cpu_affinity_set, &cpu_affinity_setsize);
+ if (ret != 0)
+ goto err;
+ ret = allocate_cpu_set(&cpu_saved_affinity_set, &cpu_saved_affinity_setsize);
+ if (ret != 0)
+ goto err;
+
+ ret = for_all_proc_cpus(mark_cpu_present);
+ if (ret != 0)
+ goto err;
+
+ /*
+ * For online cpus
+ * find max_core_id, max_package_id
+ */
+ for (unsigned int i = 0; i <= topology.max_cpu_id; ++i) {
+ unsigned int num_threads;
+ struct cpu_topology *cpu = &topology.cpus[i];
+
+ if (cpu_is_not_present(i)) {
+ WARNING("turbostat plugin: cpu%d NOT PRESENT", i);
+ continue;
+ }
+
+ ret = parse_int_file(
+ "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
+ if (ret < 0)
+ goto err;
+ else
+ cpu->package_id = (unsigned int)ret;
+ if (cpu->package_id > max_package_id)
+ max_package_id = cpu->package_id;
+
+ ret = parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", i);
+ if (ret < 0)
+ goto err;
+ else
+ cpu->core_id = (unsigned int)ret;
+ if (cpu->core_id > max_core_id)
+ max_core_id = cpu->core_id;
+ ret = parse_int_file(
+ "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", i);
+ if (ret < 0)
+ goto err;
+ else if ((unsigned int)ret == i)
+ cpu->first_core_in_package = 1;
+
+ ret = get_threads_on_core(i);
+ if (ret < 0)
+ goto err;
+ else
+ num_threads = (unsigned int)ret;
+ if (num_threads > max_threads)
+ max_threads = num_threads;
+ ret = parse_int_file(
+ "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", i);
+ if (ret < 0)
+ goto err;
+ else if ((unsigned int)ret == i)
+ cpu->first_thread_in_core = 1;
+
+ DEBUG("turbostat plugin: cpu %d pkg %d core %d\n", i, cpu->package_id,
+ cpu->core_id);
+ }
+ /* Num is max + 1 (need to count 0) */
+ topology.num_packages = max_package_id + 1;
+ topology.num_cores = max_core_id + 1;
+ topology.num_threads = max_threads;
+
+ return 0;
err:
- free(topology.cpus);
- return ret;
+ free(topology.cpus);
+ return ret;
}
-
/************************
* Main alloc/init/free *
************************/
-static int
-allocate_counters(struct thread_data **threads, struct core_data **cores, struct pkg_data **packages)
-{
- unsigned int total_threads, total_cores;
-
- if ((topology.num_threads == 0)
- || (topology.num_cores == 0)
- || (topology.num_packages == 0))
- {
- ERROR ("turbostat plugin: Invalid topology: %u threads, %u cores, %u packages",
- topology.num_threads, topology.num_cores, topology.num_packages);
- return -1;
- }
-
- total_threads = topology.num_threads * topology.num_cores * topology.num_packages;
- *threads = calloc(total_threads, sizeof(struct thread_data));
- if (*threads == NULL)
- {
- ERROR ("turbostat plugin: calloc failed");
- return -1;
- }
-
- for (unsigned int i = 0; i < total_threads; ++i)
- (*threads)[i].cpu_id = topology.max_cpu_id + 1;
-
- total_cores = topology.num_cores * topology.num_packages;
- *cores = calloc(total_cores, sizeof(struct core_data));
- if (*cores == NULL)
- {
- ERROR ("turbostat plugin: calloc failed");
- sfree (threads);
- return -1;
- }
-
- *packages = calloc(topology.num_packages, sizeof(struct pkg_data));
- if (*packages == NULL)
- {
- ERROR ("turbostat plugin: calloc failed");
- sfree (cores);
- sfree (threads);
- return -1;
- }
-
- return 0;
+static int allocate_counters(struct thread_data **threads,
+ struct core_data **cores,
+ struct pkg_data **packages) {
+ unsigned int total_threads, total_cores;
+
+ if ((topology.num_threads == 0) || (topology.num_cores == 0) ||
+ (topology.num_packages == 0)) {
+ ERROR(
+ "turbostat plugin: Invalid topology: %u threads, %u cores, %u packages",
+ topology.num_threads, topology.num_cores, topology.num_packages);
+ return -1;
+ }
+
+ total_threads =
+ topology.num_threads * topology.num_cores * topology.num_packages;
+ *threads = calloc(total_threads, sizeof(struct thread_data));
+ if (*threads == NULL) {
+ ERROR("turbostat plugin: calloc failed");
+ return -1;
+ }
+
+ for (unsigned int i = 0; i < total_threads; ++i)
+ (*threads)[i].cpu_id = topology.max_cpu_id + 1;
+
+ total_cores = topology.num_cores * topology.num_packages;
+ *cores = calloc(total_cores, sizeof(struct core_data));
+ if (*cores == NULL) {
+ ERROR("turbostat plugin: calloc failed");
+ sfree(*threads);
+ return -1;
+ }
+
+ *packages = calloc(topology.num_packages, sizeof(struct pkg_data));
+ if (*packages == NULL) {
+ ERROR("turbostat plugin: calloc failed");
+ sfree(*cores);
+ sfree(*threads);
+ return -1;
+ }
+
+ return 0;
}
-static void
-init_counter(struct thread_data *thread_base, struct core_data *core_base,
- struct pkg_data *pkg_base, unsigned int cpu_id)
-{
- struct thread_data *t;
- struct core_data *c;
- struct pkg_data *p;
- struct cpu_topology *cpu = &topology.cpus[cpu_id];
-
- t = GET_THREAD(thread_base, !(cpu->first_thread_in_core), cpu->core_id, cpu->package_id);
- c = GET_CORE(core_base, cpu->core_id, cpu->package_id);
- p = GET_PKG(pkg_base, cpu->package_id);
-
- t->cpu_id = cpu_id;
- if (cpu->first_thread_in_core)
- t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
- if (cpu->first_core_in_package)
- t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
-
- c->core_id = cpu->core_id;
- p->package_id = cpu->package_id;
+static void init_counter(struct thread_data *thread_base,
+ struct core_data *core_base, struct pkg_data *pkg_base,
+ unsigned int cpu_id) {
+ struct thread_data *t;
+ struct core_data *c;
+ struct pkg_data *p;
+ struct cpu_topology *cpu = &topology.cpus[cpu_id];
+
+ t = GET_THREAD(thread_base, !(cpu->first_thread_in_core), cpu->core_id,
+ cpu->package_id);
+ c = GET_CORE(core_base, cpu->core_id, cpu->package_id);
+ p = GET_PKG(pkg_base, cpu->package_id);
+
+ t->cpu_id = cpu_id;
+ if (cpu->first_thread_in_core)
+ t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
+ if (cpu->first_core_in_package)
+ t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
+
+ c->core_id = cpu->core_id;
+ p->package_id = cpu->package_id;
}
-static void
-initialize_counters(void)
-{
- for (unsigned int cpu_id = 0; cpu_id <= topology.max_cpu_id; ++cpu_id) {
- if (cpu_is_not_present(cpu_id))
- continue;
- init_counter(EVEN_COUNTERS, cpu_id);
- init_counter(ODD_COUNTERS, cpu_id);
- init_counter(DELTA_COUNTERS, cpu_id);
- }
+static void initialize_counters(void) {
+ for (unsigned int cpu_id = 0; cpu_id <= topology.max_cpu_id; ++cpu_id) {
+ if (cpu_is_not_present(cpu_id))
+ continue;
+ init_counter(EVEN_COUNTERS, cpu_id);
+ init_counter(ODD_COUNTERS, cpu_id);
+ init_counter(DELTA_COUNTERS, cpu_id);
+ }
}
+static void free_all_buffers(void) {
+ allocated = 0;
+ initialized = 0;
+ CPU_FREE(cpu_present_set);
+ cpu_present_set = NULL;
+ cpu_present_setsize = 0;
-static void
-free_all_buffers(void)
-{
- allocated = 0;
- initialized = 0;
+ CPU_FREE(cpu_affinity_set);
+ cpu_affinity_set = NULL;
+ cpu_affinity_setsize = 0;
- CPU_FREE(cpu_present_set);
- cpu_present_set = NULL;
- cpu_present_setsize = 0;
+ CPU_FREE(cpu_saved_affinity_set);
+ cpu_saved_affinity_set = NULL;
+ cpu_saved_affinity_setsize = 0;
- CPU_FREE(cpu_affinity_set);
- cpu_affinity_set = NULL;
- cpu_affinity_setsize = 0;
+ free(thread_even);
+ free(core_even);
+ free(package_even);
- CPU_FREE(cpu_saved_affinity_set);
- cpu_saved_affinity_set = NULL;
- cpu_saved_affinity_setsize = 0;
+ thread_even = NULL;
+ core_even = NULL;
+ package_even = NULL;
- free(thread_even);
- free(core_even);
- free(package_even);
+ free(thread_odd);
+ free(core_odd);
+ free(package_odd);
- thread_even = NULL;
- core_even = NULL;
- package_even = NULL;
+ thread_odd = NULL;
+ core_odd = NULL;
+ package_odd = NULL;
- free(thread_odd);
- free(core_odd);
- free(package_odd);
+ free(thread_delta);
+ free(core_delta);
+ free(package_delta);
- thread_odd = NULL;
- core_odd = NULL;
- package_odd = NULL;
-
- free(thread_delta);
- free(core_delta);
- free(package_delta);
-
- thread_delta = NULL;
- core_delta = NULL;
- package_delta = NULL;
+ thread_delta = NULL;
+ core_delta = NULL;
+ package_delta = NULL;
}
-
/**********************
* Collectd functions *
**********************/
-#define DO_OR_GOTO_ERR(something) \
-do { \
- ret = (something); \
- if (ret < 0) \
- goto err; \
-} while (0)
-
-static int setup_all_buffers(void)
-{
- int ret;
-
- DO_OR_GOTO_ERR(topology_probe());
- DO_OR_GOTO_ERR(allocate_counters(&thread_even, &core_even, &package_even));
- DO_OR_GOTO_ERR(allocate_counters(&thread_odd, &core_odd, &package_odd));
- DO_OR_GOTO_ERR(allocate_counters(&thread_delta, &core_delta, &package_delta));
- initialize_counters();
- DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, EVEN_COUNTERS));
- DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, ODD_COUNTERS));
-
- allocated = 1;
- return 0;
+#define DO_OR_GOTO_ERR(something) \
+ do { \
+ ret = (something); \
+ if (ret < 0) \
+ goto err; \
+ } while (0)
+
+static int setup_all_buffers(void) {
+ int ret;
+
+ DO_OR_GOTO_ERR(topology_probe());
+ DO_OR_GOTO_ERR(allocate_counters(&thread_even, &core_even, &package_even));
+ DO_OR_GOTO_ERR(allocate_counters(&thread_odd, &core_odd, &package_odd));
+ DO_OR_GOTO_ERR(allocate_counters(&thread_delta, &core_delta, &package_delta));
+ initialize_counters();
+ DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, EVEN_COUNTERS));
+ DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, ODD_COUNTERS));
+
+ allocated = 1;
+ return 0;
err:
- free_all_buffers();
- return ret;
+ free_all_buffers();
+ return ret;
}
-static int
-turbostat_read(void)
-{
- int ret;
-
- if (!allocated) {
- if ((ret = setup_all_buffers()) < 0)
- return ret;
- }
-
- if (for_all_proc_cpus(cpu_is_not_present)) {
- free_all_buffers();
- if ((ret = setup_all_buffers()) < 0)
- return ret;
- if (for_all_proc_cpus(cpu_is_not_present)) {
- ERROR("turbostat plugin: CPU appeared just after "
- "initialization");
- return -1;
- }
- }
-
- /* Saving the scheduling affinity, as it will be modified by get_counters */
- if (sched_getaffinity(0, cpu_saved_affinity_setsize, cpu_saved_affinity_set) != 0) {
- ERROR("turbostat plugin: Unable to save the CPU affinity");
- return -1;
- }
-
- if (!initialized) {
- if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
- goto out;
- time_even = cdtime();
- is_even = 1;
- initialized = 1;
- ret = 0;
- goto out;
- }
-
- if (is_even) {
- if ((ret = for_all_cpus(get_counters, ODD_COUNTERS)) < 0)
- goto out;
- time_odd = cdtime();
- is_even = 0;
- time_delta = time_odd - time_even;
- if ((ret = for_all_cpus_delta(ODD_COUNTERS, EVEN_COUNTERS)) < 0)
- goto out;
- if ((ret = for_all_cpus(submit_counters, DELTA_COUNTERS)) < 0)
- goto out;
- } else {
- if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
- goto out;
- time_even = cdtime();
- is_even = 1;
- time_delta = time_even - time_odd;
- if ((ret = for_all_cpus_delta(EVEN_COUNTERS, ODD_COUNTERS)) < 0)
- goto out;
- if ((ret = for_all_cpus(submit_counters, DELTA_COUNTERS)) < 0)
- goto out;
- }
- ret = 0;
+static int turbostat_read(void) {
+ int ret;
+
+ if (!allocated) {
+ if ((ret = setup_all_buffers()) < 0)
+ return ret;
+ }
+
+ if (for_all_proc_cpus(cpu_is_not_present)) {
+ free_all_buffers();
+ if ((ret = setup_all_buffers()) < 0)
+ return ret;
+ if (for_all_proc_cpus(cpu_is_not_present)) {
+ ERROR("turbostat plugin: CPU appeared just after "
+ "initialization");
+ return -1;
+ }
+ }
+
+ /* Saving the scheduling affinity, as it will be modified by get_counters */
+ if (sched_getaffinity(0, cpu_saved_affinity_setsize,
+ cpu_saved_affinity_set) != 0) {
+ ERROR("turbostat plugin: Unable to save the CPU affinity");
+ return -1;
+ }
+
+ if (!initialized) {
+ if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
+ goto out;
+ time_even = cdtime();
+ is_even = 1;
+ initialized = 1;
+ ret = 0;
+ goto out;
+ }
+
+ if (is_even) {
+ if ((ret = for_all_cpus(get_counters, ODD_COUNTERS)) < 0)
+ goto out;
+ time_odd = cdtime();
+ is_even = 0;
+ time_delta = time_odd - time_even;
+ if ((ret = for_all_cpus_delta(ODD_COUNTERS, EVEN_COUNTERS)) < 0)
+ goto out;
+ if ((ret = for_all_cpus(submit_counters, DELTA_COUNTERS)) < 0)
+ goto out;
+ } else {
+ if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
+ goto out;
+ time_even = cdtime();
+ is_even = 1;
+ time_delta = time_even - time_odd;
+ if ((ret = for_all_cpus_delta(EVEN_COUNTERS, ODD_COUNTERS)) < 0)
+ goto out;
+ if ((ret = for_all_cpus(submit_counters, DELTA_COUNTERS)) < 0)
+ goto out;
+ }
+ ret = 0;
out:
- /*
- * Let's restore the affinity
- * This might fail if the number of CPU changed, but we can't do anything in that case..
- */
- (void)sched_setaffinity(0, cpu_saved_affinity_setsize, cpu_saved_affinity_set);
- return ret;
+ /*
+ * Let's restore the affinity
+ * This might fail if the number of CPU changed, but we can't do anything in
+ * that case..
+ */
+ (void)sched_setaffinity(0, cpu_saved_affinity_setsize,
+ cpu_saved_affinity_set);
+ return ret;
}
-static int
-check_permissions(void)
-{
+static int check_permissions(void) {
- if (getuid() == 0) {
- /* We have everything we need */
- return 0;
+ if (getuid() == 0) {
+ /* We have everything we need */
+ return 0;
#if !defined(HAVE_SYS_CAPABILITY_H) && !defined(CAP_SYS_RAWIO)
- } else {
- ERROR("turbostat plugin: Initialization failed: this plugin "
- "requires collectd to run as root");
- return -1;
- }
-#else /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
- }
-
- int ret = 0;
-
- if (check_capability(CAP_SYS_RAWIO) != 0) {
- WARNING("turbostat plugin: Collectd doesn't have the "
- "CAP_SYS_RAWIO capability. If you don't want to run "
- "collectd as root, try running \"setcap "
- "cap_sys_rawio=ep\" on collectd binary");
- ret = -1;
- }
-
- if (euidaccess("/dev/cpu/0/msr", R_OK)) {
- WARNING("turbostat plugin: Collectd cannot open "
- "/dev/cpu/0/msr. If you don't want to run collectd as "
- "root, you need to change the ownership (chown) and "
- "permissions on /dev/cpu/*/msr to allow such access");
- ret = -1;
- }
-
- if (ret != 0)
- ERROR("turbostat plugin: Initialization failed: this plugin "
- "requires collectd to either to run as root or give "
- "collectd a special capability (CAP_SYS_RAWIO) and read "
- "access to /dev/cpu/*/msr (see previous warnings)");
- return ret;
+ } else {
+ ERROR("turbostat plugin: Initialization failed: this plugin "
+ "requires collectd to run as root");
+ return -1;
+ }
+#else /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
+ }
+
+ int ret = 0;
+
+ if (check_capability(CAP_SYS_RAWIO) != 0) {
+ WARNING("turbostat plugin: Collectd doesn't have the "
+ "CAP_SYS_RAWIO capability. If you don't want to run "
+ "collectd as root, try running \"setcap "
+ "cap_sys_rawio=ep\" on collectd binary");
+ ret = -1;
+ }
+
+ if (euidaccess("/dev/cpu/0/msr", R_OK)) {
+ WARNING("turbostat plugin: Collectd cannot open "
+ "/dev/cpu/0/msr. If you don't want to run collectd as "
+ "root, you need to change the ownership (chown) and "
+ "permissions on /dev/cpu/*/msr to allow such access");
+ ret = -1;
+ }
+
+ if (ret != 0)
+ ERROR("turbostat plugin: Initialization failed: this plugin "
+ "requires collectd to either to run as root or give "
+ "collectd a special capability (CAP_SYS_RAWIO) and read "
+ "access to /dev/cpu/*/msr (see previous warnings)");
+ return ret;
#endif /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
}
-static int
-turbostat_init(void)
-{
- struct stat sb;
- int ret;
+static int turbostat_init(void) {
+ struct stat sb;
+ int ret;
- if (stat("/dev/cpu/0/msr", &sb)) {
- ERROR("turbostat plugin: Initialization failed: /dev/cpu/0/msr "
- "does not exist while the CPU supports MSR. You may be "
- "missing the corresponding kernel module, please try '# "
- "modprobe msr'");
- return -1;
- }
+ if (stat("/dev/cpu/0/msr", &sb)) {
+ ERROR("turbostat plugin: Initialization failed: /dev/cpu/0/msr "
+ "does not exist while the CPU supports MSR. You may be "
+ "missing the corresponding kernel module, please try '# "
+ "modprobe msr'");
+ return -1;
+ }
- DO_OR_GOTO_ERR(check_permissions());
+ DO_OR_GOTO_ERR(check_permissions());
- DO_OR_GOTO_ERR(probe_cpu());
+ DO_OR_GOTO_ERR(probe_cpu());
- DO_OR_GOTO_ERR(setup_all_buffers());
+ DO_OR_GOTO_ERR(setup_all_buffers());
- plugin_register_read(PLUGIN_NAME, turbostat_read);
+ plugin_register_read(PLUGIN_NAME, turbostat_read);
- return 0;
+ return 0;
err:
- free_all_buffers();
- return ret;
+ free_all_buffers();
+ return ret;
}
-static int
-turbostat_config(const char *key, const char *value)
-{
- long unsigned int tmp_val;
- char *end;
-
- if (strcasecmp("CoreCstates", key) == 0) {
- tmp_val = strtoul(value, &end, 0);
- if (*end != '\0' || tmp_val > UINT_MAX) {
- ERROR("turbostat plugin: Invalid CoreCstates '%s'",
- value);
- return -1;
- }
- config_core_cstate = (unsigned int) tmp_val;
- apply_config_core_cstate = 1;
- } else if (strcasecmp("PackageCstates", key) == 0) {
- tmp_val = strtoul(value, &end, 0);
- if (*end != '\0' || tmp_val > UINT_MAX) {
- ERROR("turbostat plugin: Invalid PackageCstates '%s'",
- value);
- return -1;
- }
- config_pkg_cstate = (unsigned int) tmp_val;
- apply_config_pkg_cstate = 1;
- } else if (strcasecmp("SystemManagementInterrupt", key) == 0) {
- config_smi = IS_TRUE(value);
- apply_config_smi = 1;
- } else if (strcasecmp("DigitalTemperatureSensor", key) == 0) {
- config_dts = IS_TRUE(value);
- apply_config_dts = 1;
- } else if (strcasecmp("PackageThermalManagement", key) == 0) {
- config_ptm = IS_TRUE(value);
- apply_config_ptm = 1;
- } else if (strcasecmp("LogicalCoreNames", key) == 0) {
- config_lcn = IS_TRUE(value);
- } else if (strcasecmp("RunningAveragePowerLimit", key) == 0) {
- tmp_val = strtoul(value, &end, 0);
- if (*end != '\0' || tmp_val > UINT_MAX) {
- ERROR("turbostat plugin: Invalid RunningAveragePowerLimit '%s'",
- value);
- return -1;
- }
- config_rapl = (unsigned int) tmp_val;
- apply_config_rapl = 1;
- } else if (strcasecmp("TCCActivationTemp", key) == 0) {
- tmp_val = strtoul(value, &end, 0);
- if (*end != '\0' || tmp_val > UINT_MAX) {
- ERROR("turbostat plugin: Invalid TCCActivationTemp '%s'",
- value);
- return -1;
- }
- tcc_activation_temp = (unsigned int) tmp_val;
- } else {
- ERROR("turbostat plugin: Invalid configuration option '%s'",
- key);
- return -1;
- }
- return 0;
+static int turbostat_config(const char *key, const char *value) {
+ long unsigned int tmp_val;
+ char *end;
+
+ if (strcasecmp("CoreCstates", key) == 0) {
+ tmp_val = strtoul(value, &end, 0);
+ if (*end != '\0' || tmp_val > UINT_MAX) {
+ ERROR("turbostat plugin: Invalid CoreCstates '%s'", value);
+ return -1;
+ }
+ config_core_cstate = (unsigned int)tmp_val;
+ apply_config_core_cstate = 1;
+ } else if (strcasecmp("PackageCstates", key) == 0) {
+ tmp_val = strtoul(value, &end, 0);
+ if (*end != '\0' || tmp_val > UINT_MAX) {
+ ERROR("turbostat plugin: Invalid PackageCstates '%s'", value);
+ return -1;
+ }
+ config_pkg_cstate = (unsigned int)tmp_val;
+ apply_config_pkg_cstate = 1;
+ } else if (strcasecmp("SystemManagementInterrupt", key) == 0) {
+ config_smi = IS_TRUE(value);
+ apply_config_smi = 1;
+ } else if (strcasecmp("DigitalTemperatureSensor", key) == 0) {
+ config_dts = IS_TRUE(value);
+ apply_config_dts = 1;
+ } else if (strcasecmp("PackageThermalManagement", key) == 0) {
+ config_ptm = IS_TRUE(value);
+ apply_config_ptm = 1;
+ } else if (strcasecmp("LogicalCoreNames", key) == 0) {
+ config_lcn = IS_TRUE(value);
+ } else if (strcasecmp("RunningAveragePowerLimit", key) == 0) {
+ tmp_val = strtoul(value, &end, 0);
+ if (*end != '\0' || tmp_val > UINT_MAX) {
+ ERROR("turbostat plugin: Invalid RunningAveragePowerLimit '%s'", value);
+ return -1;
+ }
+ config_rapl = (unsigned int)tmp_val;
+ apply_config_rapl = 1;
+ } else if (strcasecmp("TCCActivationTemp", key) == 0) {
+ tmp_val = strtoul(value, &end, 0);
+ if (*end != '\0' || tmp_val > UINT_MAX) {
+ ERROR("turbostat plugin: Invalid TCCActivationTemp '%s'", value);
+ return -1;
+ }
+ tcc_activation_temp = (unsigned int)tmp_val;
+ } else {
+ ERROR("turbostat plugin: Invalid configuration option '%s'", key);
+ return -1;
+ }
+ return 0;
}
-void module_register(void)
-{
- plugin_register_init(PLUGIN_NAME, turbostat_init);
- plugin_register_config(PLUGIN_NAME, turbostat_config, config_keys, config_keys_num);
+void module_register(void) {
+ plugin_register_init(PLUGIN_NAME, turbostat_init);
+ plugin_register_config(PLUGIN_NAME, turbostat_config, config_keys,
+ config_keys_num);
}
projects / collectd.git / blobdiff