X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcpu.c;h=9091fef91d475c1630c200769f70cb902a3ebc3e;hb=2e79fb47c10ffd9efc9532c68fc18a1ad8eaaf61;hp=80692e76b167315a3cd6220008a489b0035b9425;hpb=79963d13c1884d1d92667cc502ad20758b084a12;p=collectd.git diff --git a/src/cpu.c b/src/cpu.c index 80692e76..9091fef9 100644 --- a/src/cpu.c +++ b/src/cpu.c @@ -156,6 +156,12 @@ 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; @@ -309,15 +315,11 @@ 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], @@ -329,24 +331,18 @@ static void submit_value(int cpu_num, int cpu_state, const char *type, plugin_dispatch_values(&vl); } -static void submit_percent(int cpu_num, int cpu_state, gauge_t percent) { - value_t value; - +static void submit_percent(int cpu_num, int cpu_state, gauge_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) { - value_t value; - - value.derive = derive; - submit_value(cpu_num, cpu_state, "cpu", value); +static void submit_derive(int cpu_num, int cpu_state, derive_t 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 @@ -386,6 +382,24 @@ 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. */ @@ -415,6 +429,31 @@ 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. @@ -443,17 +482,13 @@ 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));