**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
/* #endif HAVE_LIBSTATGRAB */
#elif defined(HAVE_PERFSTAT)
+#define TOTAL_IDLE 0
+#define TOTAL_USER 1
+#define TOTAL_SYS 2
+#define TOTAL_WAIT 3
+#define TOTAL_STAT_NUM 4
+static value_to_rate_state_t total_conv[TOTAL_STAT_NUM];
static perfstat_cpu_t *perfcpu;
static int numcpu;
static int pnumcpu;
static _Bool report_by_cpu = 1;
static _Bool report_by_state = 1;
static _Bool report_percent = 0;
+static _Bool report_num_cpu = 0;
static const char *config_keys[] =
{
"ReportByCpu",
"ReportByState",
+ "ReportNumCpu",
"ValuesPercentage"
};
static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
report_percent = IS_TRUE (value) ? 1 : 0;
else if (strcasecmp (key, "ReportByState") == 0)
report_by_state = IS_TRUE (value) ? 1 : 0;
+ else if (strcasecmp (key, "ReportNumCpu") == 0)
+ report_num_cpu = IS_TRUE (value) ? 1 : 0;
else
return (-1);
static void submit_value (int cpu_num, int cpu_state, const char *type, value_t value)
{
- value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- memcpy(&values[0], &value, sizeof(value));
-
- vl.values = values;
+ vl.values = &value;
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin));
sstrncpy (vl.type, type, sizeof (vl.type));
sstrncpy (vl.type_instance, cpu_state_names[cpu_state],
plugin_dispatch_values (&vl);
}
-static void submit_percent(int cpu_num, int cpu_state, gauge_t percent)
+static void submit_percent (int cpu_num, int cpu_state, gauge_t value)
{
- value_t value;
-
/* This function is called for all known CPU states, but each read
* method will only report a subset. The remaining states are left as
* NAN and we ignore them here. */
- if (isnan (percent))
+ if (isnan (value))
return;
- value.gauge = percent;
- submit_value (cpu_num, cpu_state, "percent", value);
+ submit_value (cpu_num, cpu_state, "percent",
+ (value_t) { .gauge = value });
}
-static void submit_derive(int cpu_num, int cpu_state, derive_t derive)
+static void submit_derive (int cpu_num, int cpu_state, derive_t value)
{
- value_t value;
-
- value.derive = derive;
- submit_value (cpu_num, cpu_state, "cpu", value);
+ submit_value (cpu_num, cpu_state, "cpu",
+ (value_t) { .derive = value });
}
/* Takes the zero-index number of a CPU and makes sure that the module-global
return (&cpu_states[index]);
} /* }}} cpu_state_t *get_cpu_state */
+#if defined(HAVE_PERFSTAT) /* {{{ */
+/* populate global aggregate cpu rate */
+static int total_rate(gauge_t *sum_by_state, size_t state, derive_t d,
+ value_to_rate_state_t* conv, cdtime_t now)
+{
+ gauge_t rate = NAN;
+ int status = value_to_rate (&rate, (value_t) { .derive = d }, DS_TYPE_DERIVE, now, conv);
+ if (status != 0)
+ return (status);
+
+ sum_by_state[state] = rate;
+
+ if (state != COLLECTD_CPU_STATE_IDLE)
+ RATE_ADD (sum_by_state[COLLECTD_CPU_STATE_ACTIVE], sum_by_state[state]);
+ return (0);
+}
+#endif /* }}} HAVE_PERFSTAT */
+
/* Populates the per-CPU COLLECTD_CPU_STATE_ACTIVE rate and the global rate_by_state
* array. */
static void aggregate (gauge_t *sum_by_state) /* {{{ */
{
- size_t cpu_num;
- size_t state;
-
- for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
+ for (size_t state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
sum_by_state[state] = NAN;
- for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ for (size_t cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
{
cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate = NAN;
- for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ for (size_t state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
{
if (!this_cpu_states[state].has_value)
continue;
RATE_ADD (sum_by_state[COLLECTD_CPU_STATE_ACTIVE], this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate);
}
+
+#if defined(HAVE_PERFSTAT) /* {{{ */
+ cdtime_t now = cdtime ();
+ perfstat_cpu_total_t cputotal = { 0 };
+
+ if (!perfstat_cpu_total(NULL, &cputotal, sizeof(cputotal), 1)) {
+ char errbuf[1024];
+ WARNING ("cpu plugin: perfstat_cpu_total: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return;
+ }
+
+ /* Reset COLLECTD_CPU_STATE_ACTIVE */
+ sum_by_state[COLLECTD_CPU_STATE_ACTIVE] = NAN;
+
+ /* Physical Processor Utilization */
+ total_rate(sum_by_state, COLLECTD_CPU_STATE_IDLE, (derive_t) cputotal.pidle, &total_conv[TOTAL_IDLE], now);
+ total_rate(sum_by_state, COLLECTD_CPU_STATE_USER, (derive_t) cputotal.puser, &total_conv[TOTAL_USER], now);
+ total_rate(sum_by_state, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cputotal.psys , &total_conv[TOTAL_SYS], now);
+ total_rate(sum_by_state, COLLECTD_CPU_STATE_WAIT, (derive_t) cputotal.pwait, &total_conv[TOTAL_WAIT], now);
+#endif /* }}} HAVE_PERFSTAT */
} /* }}} void aggregate */
/* Commits (dispatches) the values for one CPU or the global aggregation.
static void cpu_commit_one (int cpu_num, /* {{{ */
gauge_t rates[static COLLECTD_CPU_STATE_MAX])
{
- size_t state;
gauge_t sum;
sum = rates[COLLECTD_CPU_STATE_ACTIVE];
return;
}
- for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ for (size_t state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
{
gauge_t percent = 100.0 * rates[state] / sum;
submit_percent (cpu_num, state, percent);
}
} /* }}} void cpu_commit_one */
+/* Commits the number of cores */
+static void cpu_commit_num_cpu (gauge_t value) /* {{{ */
+{
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = &(value_t) { .gauge = value };
+ vl.values_len = 1;
+
+ sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin));
+ sstrncpy (vl.type, "count", sizeof (vl.type));
+
+ plugin_dispatch_values (&vl);
+} /* }}} void cpu_commit_num_cpu */
+
/* Resets the internal aggregation. This is called by the read callback after
* each iteration / after each call to cpu_commit(). */
static void cpu_reset (void) /* {{{ */
{
- size_t i;
-
- for (i = 0; i < cpu_states_num; i++)
+ for (size_t i = 0; i < cpu_states_num; i++)
cpu_states[i].has_value = 0;
global_cpu_num = 0;
/* Legacy behavior: Dispatches the raw derive values without any aggregation. */
static void cpu_commit_without_aggregation (void) /* {{{ */
{
- int state;
-
- for (state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
+ for (int state = 0; state < COLLECTD_CPU_STATE_ACTIVE; state++)
{
- size_t cpu_num;
-
- for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ for (size_t cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
{
cpu_state_t *s = get_cpu_state (cpu_num, state);
gauge_t global_rates[COLLECTD_CPU_STATE_MAX] = {
NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN /* Batman! */
};
- size_t cpu_num;
+
+ if (report_num_cpu)
+ cpu_commit_num_cpu ((gauge_t) global_cpu_num);
if (report_by_state && report_by_cpu && !report_percent)
{
return;
}
- for (cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
+ for (size_t cpu_num = 0; cpu_num < global_cpu_num; cpu_num++)
{
cpu_state_t *this_cpu_states = get_cpu_state (cpu_num, 0);
gauge_t local_rates[COLLECTD_CPU_STATE_MAX] = {
NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN
};
- size_t state;
- for (state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
+ for (size_t state = 0; state < COLLECTD_CPU_STATE_MAX; state++)
if (this_cpu_states[state].has_value)
local_rates[state] = this_cpu_states[state].rate;
int status;
cpu_state_t *s;
gauge_t rate = NAN;
- value_t val = {.derive = d};
+ value_t val = { .derive = d };
if (state >= COLLECTD_CPU_STATE_ACTIVE)
return (EINVAL);
cdtime_t now = cdtime ();
#if PROCESSOR_CPU_LOAD_INFO /* {{{ */
- int cpu;
-
kern_return_t status;
processor_cpu_load_info_data_t cpu_info;
host_t cpu_host;
- for (cpu = 0; cpu < cpu_list_len; cpu++)
+ for (mach_msg_type_number_t cpu = 0; cpu < cpu_list_len; cpu++)
{
cpu_host = 0;
cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
/* }}} #endif defined(KERNEL_LINUX) */
#elif defined(HAVE_LIBKSTAT) /* {{{ */
- int cpu;
static cpu_stat_t cs;
if (kc == NULL)
return (-1);
- for (cpu = 0; cpu < numcpu; cpu++)
+ for (int cpu = 0; cpu < numcpu; cpu++)
{
if (kstat_read (kc, ksp[cpu], &cs) == -1)
continue; /* error message? */
uint64_t cpuinfo[numcpu][CPUSTATES];
size_t cpuinfo_size;
int status;
- int i;
if (numcpu < 1)
{
#if defined(KERN_CPTIME2)
if (numcpu > 1) {
- for (i = 0; i < numcpu; i++) {
+ for (int i = 0; i < numcpu; i++) {
int mib[] = {CTL_KERN, KERN_CPTIME2, i};
cpuinfo_size = sizeof (cpuinfo[0]);
return (-1);
}
- for(i = 0; i < CPUSTATES; i++) {
+ for(int i = 0; i < CPUSTATES; i++) {
cpuinfo[0][i] = cpuinfo_tmp[i];
}
}
- for (i = 0; i < numcpu; i++) {
+ for (int i = 0; i < numcpu; i++) {
cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
#elif defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYSCTL_KERN_CP_TIMES) /* {{{ */
long cpuinfo[maxcpu][CPUSTATES];
size_t cpuinfo_size;
- int i;
memset (cpuinfo, 0, sizeof (cpuinfo));
return (-1);
}
- for (i = 0; i < numcpu; i++) {
+ for (int i = 0; i < numcpu; i++) {
cpu_stage (i, COLLECTD_CPU_STATE_USER, (derive_t) cpuinfo[i][CP_USER], now);
cpu_stage (i, COLLECTD_CPU_STATE_NICE, (derive_t) cpuinfo[i][CP_NICE], now);
cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) cpuinfo[i][CP_SYS], now);
#elif defined(HAVE_PERFSTAT) /* {{{ */
perfstat_id_t id;
- int i, cpus;
+ int cpus;
numcpu = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
if(numcpu == -1)
if (pnumcpu != numcpu || perfcpu == NULL)
{
- if (perfcpu != NULL)
- free(perfcpu);
+ free(perfcpu);
perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t));
}
pnumcpu = numcpu;
return (-1);
}
- for (i = 0; i < cpus; i++)
+ for (int i = 0; i < cpus; i++)
{
cpu_stage (i, COLLECTD_CPU_STATE_IDLE, (derive_t) perfcpu[i].idle, now);
cpu_stage (i, COLLECTD_CPU_STATE_SYSTEM, (derive_t) perfcpu[i].sys, now);
projects / collectd.git / blobdiff