X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcpu.c;h=36c49720f1bcf464f33a2e653236d80c64f5dcd5;hb=c76419c0cf983f1ecd3d36aa236cc4e3f9cff733;hp=1ac5b4a3b94a9cea50835485befc4adf7c934b88;hpb=6120d0461a933cdbb8a6e495c6b6e8750c8aaf05;p=collectd.git diff --git a/src/cpu.c b/src/cpu.c index 1ac5b4a3..36c49720 100644 --- a/src/cpu.c +++ b/src/cpu.c @@ -162,6 +162,12 @@ static int maxcpu; /* #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; @@ -325,15 +331,11 @@ static int init (void) 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], @@ -346,26 +348,22 @@ static void submit_value (int cpu_num, int cpu_state, const char *type, value_t 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 @@ -406,6 +404,24 @@ static cpu_state_t *get_cpu_state (size_t cpu_num, size_t state) /* {{{ */ 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) /* {{{ */ @@ -434,6 +450,27 @@ static void aggregate (gauge_t *sum_by_state) /* {{{ */ 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. @@ -464,17 +501,13 @@ static void cpu_commit_one (int cpu_num, /* {{{ */ } /* }}} void cpu_commit_one */ /* Commits the number of cores */ -static void cpu_commit_num_cpu (gauge_t num_cpu) /* {{{ */ +static void cpu_commit_num_cpu (gauge_t value) /* {{{ */ { - value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - values[0].gauge = num_cpu; - - vl.values = values; + vl.values = &(value_t) { .gauge = value }; vl.values_len = 1; - sstrncpy (vl.host, hostname_g, sizeof (vl.host)); sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin)); sstrncpy (vl.type, "count", sizeof (vl.type)); @@ -555,7 +588,7 @@ static int cpu_stage (size_t cpu_num, size_t state, derive_t d, cdtime_t now) /* 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);