#define _GNU_SOURCE
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "utils_time.h"
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);
+ 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);
+ ERROR("turbostat plugin: failed to open %s", pathname);
return -1;
}
return fd;
retval = pread(fd, msr, sizeof *msr, offset);
if (retval != sizeof *msr) {
- ERROR("Turbostat plugin: MSR offset 0x%llx read failed",
+ ERROR("turbostat plugin: MSR offset 0x%llx read failed",
(unsigned long long)offset);
return -1;
}
#define READ_MSR(msr, dst) \
do { \
if (read_msr(msr_fd, msr, dst)) { \
- ERROR("Turbostat plugin: Unable to read " #msr); \
+ ERROR("turbostat plugin: Unable to read " #msr); \
retval = -1; \
goto out; \
} \
*/
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 *core_delta)
+ 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 "
+ 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'");
delta->mperf = new->mperf - old->mperf;
} else {
if (!aperf_mperf_unstable) {
- WARNING("Turbostat plugin: APERF or MPERF went "
+ 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.");
* 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 + core_delta->c3 + core_delta->c6 + core_delta->c7) > delta->tsc)
+ 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 - core_delta->c3
- - core_delta->c6 - core_delta->c7;
+ 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);
+ WARNING("turbostat plugin: cpu%d MPERF 0!", old->cpu_id);
delta->mperf = 1; /* divide by 0 protection */
}
if (!aperf_mperf_unstable)
turbostat_submit(name, "percent", "c1", 100.0 * t->c1/t->tsc);
- turbostat_submit("Average", "frequency", name, 1.0 / 1000000 * t->aperf / interval_float);
+ 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("Buzy", "frequency", name, 1.0 * t->tsc / 1000000 * t->aperf / t->mperf / interval_float);
+ turbostat_submit(name, "frequency", "busy", 1.0 * t->tsc / 1000000 * t->aperf / t->mperf / interval_float);
/* Sanity check (should stay stable) */
- turbostat_submit("TSC", "gauge", name, 1.0 * t->tsc / 1000000 / interval_float);
+ turbostat_submit(name, "gauge", "TSC", 1.0 * t->tsc / 1000000 / interval_float);
/* SMI */
if (do_smi)
- turbostat_submit(NULL, "current", name, t->smi_count);
+ 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))
turbostat_submit(name, "percent", "c7", 100.0 * c->c7/t->tsc);
if (do_dts)
- turbostat_submit(NULL, "temperature", name, c->core_temp_c);
+ 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))
ssnprintf(name, sizeof(name), "pkg%02d", p->package_id);
if (do_ptm)
- turbostat_submit(NULL, "temperature", name, p->pkg_temp_c);
+ 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_rapl) {
if (do_rapl & RAPL_PKG)
- turbostat_submit(name, "power", "Pkg_W", p->energy_pkg * rapl_energy_units / interval_float);
+ turbostat_submit(name, "power", "pkg", p->energy_pkg * rapl_energy_units / interval_float);
if (do_rapl & RAPL_CORES)
- turbostat_submit(name, "power", "Cor_W", p->energy_cores * rapl_energy_units / interval_float);
+ turbostat_submit(name, "power", "cores", p->energy_cores * rapl_energy_units / interval_float);
if (do_rapl & RAPL_GFX)
- turbostat_submit(name, "power", "GFX_W", p->energy_gfx * rapl_energy_units / interval_float);
+ turbostat_submit(name, "power", "GFX", p->energy_gfx * rapl_energy_units / interval_float);
if (do_rapl & RAPL_DRAM)
- turbostat_submit(name, "power", "RAM_W", p->energy_dram * rapl_energy_units / interval_float);
+ turbostat_submit(name, "power", "DRAM", p->energy_dram * rapl_energy_units / interval_float);
}
done:
return 0;
struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
{
int retval;
- unsigned int pkg_no, core_no, thread_no;
- for (pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
- for (core_no = 0; core_no < topology.num_cores; ++core_no) {
- for (thread_no = 0; thread_no < topology.num_threads; ++thread_no) {
+ 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;
const struct thread_data *thread_old_base, const struct core_data *core_old_base, const struct pkg_data *pkg_old_base)
{
int retval;
- unsigned int pkg_no, core_no, thread_no;
- for (pkg_no = 0; pkg_no < topology.num_packages; ++pkg_no) {
- for (core_no = 0; core_no < topology.num_cores; ++core_no) {
- for (thread_no = 0; thread_no < topology.num_threads; ++thread_no) {
+ 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;
guess:
p->tcc_activation_temp = TJMAX_DEFAULT;
- WARNING("Turbostat plugin: cpu%d: Guessing tjMax %d C,"
+ WARNING("turbostat plugin: cpu%d: Guessing tjMax %d C,"
" Please use TCCActivationTemp to specify it.",
t->cpu_id, p->tcc_activation_temp);
* Identify the functionality of the CPU
*/
static int __attribute__((warn_unused_result))
-probe_cpu()
+probe_cpu(void)
{
unsigned int eax, ebx, ecx, edx, max_level;
unsigned int fms, family, model;
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)");
+ ERROR("turbostat plugin: Unsupported CPU (not Intel)");
return -1;
}
if (family == 6 || family == 0xf)
model += ((fms >> 16) & 0xf) << 4;
if (!(edx & (1 << 5))) {
- ERROR("Turbostat plugin: Unsupported CPU (no MSR support)");
+ ERROR("turbostat plugin: Unsupported CPU (no MSR support)");
return -1;
}
do_dts = eax & (1 << 0);
do_ptm = eax & (1 << 6);
if (!(ecx & (1 << 0))) {
- ERROR("Turbostat plugin: Unsupported CPU (No APERF)");
+ ERROR("turbostat plugin: Unsupported CPU (No APERF)");
return -1;
}
do_rapl = 0;
}
} else {
- ERROR("Turbostat plugin: Unsupported CPU (family: %#x, "
+ ERROR("turbostat plugin: Unsupported CPU (family: %#x, "
"model: %#x)", family, model);
return -1;
}
len = vsnprintf(path, sizeof(path), fmt, args);
va_end(args);
if (len < 0 || len >= PATH_MAX) {
- ERROR("Turbostat plugin: path truncated: '%s'", path);
+ ERROR("turbostat plugin: path truncated: '%s'", path);
return -1;
}
filep = fopen(path, "r");
if (!filep) {
- ERROR("Turbostat plugin: Failed to open '%s'", path);
+ ERROR("turbostat plugin: Failed to open '%s'", path);
return -1;
}
if (fscanf(filep, "%d", &value) != 1) {
- ERROR("Turbostat plugin: Failed to parse number from '%s'", path);
+ ERROR("turbostat plugin: Failed to parse number from '%s'", path);
+ fclose(filep);
return -1;
}
fclose(filep);
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);
+ ERROR("turbostat plugin: Failed to open '%s'", path);
return -1;
}
/*
fp = fopen("/proc/stat", "r");
if (!fp) {
- ERROR("Turbostat plugin: Failed to open /proc/stat");
+ 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");
+ ERROR("turbostat plugin: Failed to parse /proc/stat");
fclose(fp);
return -1;
}
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");
+ ERROR("turbostat plugin: Unable to allocate CPU state");
return -1;
}
*size = CPU_ALLOC_SIZE(topology.max_cpu_id + 1);
* Build a local representation of the cpu distribution
*/
static int __attribute__((warn_unused_result))
-topology_probe()
+topology_probe(void)
{
- unsigned int i;
int ret;
- unsigned int max_package_id, max_core_id, max_thread_id;
- max_package_id = max_core_id = max_thread_id = 0;
+ unsigned int max_package_id, max_core_id, max_threads;
+ max_package_id = max_core_id = max_threads = 0;
/* Clean topology */
free(topology.cpus);
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");
+ ERROR("turbostat plugin: Unable to allocate memory for CPU topology");
return -1;
}
* For online cpus
* find max_core_id, max_package_id
*/
- for (i = 0; i <= topology.max_cpu_id; ++i) {
+ 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);
+ WARNING("turbostat plugin: cpu%d NOT PRESENT", i);
continue;
}
goto err;
else
num_threads = (unsigned int) ret;
- if (num_threads > max_thread_id)
- max_thread_id = num_threads;
+ 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",
+ 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_thread_id + 1;
+ topology.num_threads = max_threads;
return 0;
err:
static int
allocate_counters(struct thread_data **threads, struct core_data **cores, struct pkg_data **packages)
{
- unsigned int i;
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)
- goto err;
+ {
+ 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)
- goto err_clean_threads;
+ {
+ ERROR ("turbostat plugin: calloc failed");
+ sfree (threads);
+ return -1;
+ }
*packages = calloc(topology.num_packages, sizeof(struct pkg_data));
if (*packages == NULL)
- goto err_clean_cores;
-
- for (i = 0; i < topology.num_packages; i++)
- (*packages)[i].package_id = i;
+ {
+ ERROR ("turbostat plugin: calloc failed");
+ sfree (cores);
+ sfree (threads);
+ return -1;
+ }
return 0;
-
-err_clean_cores:
- free(*cores);
-err_clean_threads:
- free(*threads);
-err:
- ERROR("Turbostat plugin: Failled to allocate memory for counters");
- return -1;
}
static void
static void
initialize_counters(void)
{
- unsigned int cpu_id;
-
- for (cpu_id = 0; cpu_id <= topology.max_cpu_id; ++cpu_id) {
+ 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);
CPU_FREE(cpu_present_set);
cpu_present_set = NULL;
- cpu_present_set = 0;
+ cpu_present_setsize = 0;
CPU_FREE(cpu_affinity_set);
cpu_affinity_set = NULL;
if ((ret = setup_all_buffers()) < 0)
return ret;
if (for_all_proc_cpus(cpu_is_not_present)) {
- ERROR("Turbostat plugin: CPU appeared just after "
+ 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");
+ ERROR("turbostat plugin: Unable to save the CPU affinity");
return -1;
}
static int
check_permissions(void)
{
-#ifdef HAVE_SYS_CAPABILITY_H
- struct __user_cap_header_struct cap_header_data;
- cap_user_header_t cap_header = &cap_header_data;
- struct __user_cap_data_struct cap_data_data;
- cap_user_data_t cap_data = &cap_data_data;
- int ret = 0;
-#endif /* HAVE_SYS_CAPABILITY_H */
if (getuid() == 0) {
/* We have everything we need */
return 0;
-#ifndef HAVE_SYS_CAPABILITY_H
+#if !defined(HAVE_SYS_CAPABILITY_H) && !defined(CAP_SYS_RAWIO)
} else {
- ERROR("Turbostat plugin: Initialization failed: this plugin "
+ ERROR("turbostat plugin: Initialization failed: this plugin "
"requires collectd to run as root");
return -1;
}
-#else /* HAVE_SYS_CAPABILITY_H */
+#else /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
}
- /* check for CAP_SYS_RAWIO */
- cap_header->pid = getpid();
- cap_header->version = _LINUX_CAPABILITY_VERSION;
- if (capget(cap_header, cap_data) < 0) {
- ERROR("Turbostat plugin: capget failed");
- return -1;
- }
+ int ret = 0;
- if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) {
- WARNING("Turbostat plugin: Collectd doesn't have the "
+ 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");
}
if (euidaccess("/dev/cpu/0/msr", R_OK)) {
- WARNING("Turbostat plugin: Collectd cannot open"
+ 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");
}
if (ret != 0)
- ERROR("Turbostat plugin: Initialization failed: this plugin "
+ 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 */
+#endif /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
}
static int
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 "
+ 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 (strcasecmp("CoreCstates", key) == 0) {
tmp_val = strtoul(value, &end, 0);
if (*end != '\0' || tmp_val > UINT_MAX) {
- ERROR("Turbostat plugin: Invalid CoreCstates '%s'",
+ ERROR("turbostat plugin: Invalid CoreCstates '%s'",
value);
return -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'",
+ ERROR("turbostat plugin: Invalid PackageCstates '%s'",
value);
return -1;
}
} 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'",
+ ERROR("turbostat plugin: Invalid RunningAveragePowerLimit '%s'",
value);
return -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'",
+ ERROR("turbostat plugin: Invalid TCCActivationTemp '%s'",
value);
return -1;
}
tcc_activation_temp = (unsigned int) tmp_val;
} else {
- ERROR("Turbostat plugin: Invalid configuration option '%s'",
+ ERROR("turbostat plugin: Invalid configuration option '%s'",
key);
return -1;
}
projects / collectd.git / blobdiff