collectd.conf(5): Update the "LatencyRate" option.

[collectd.git] / src / cpu.c

diff --git a/src/cpu.c b/src/cpu.c
index fbd0714..36c4972 100644 (file)
--- 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;
@@ -330,7 +336,6 @@ static void submit_value (int cpu_num, int cpu_state, const char *type, value_t
        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],
@@ -399,6 +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) /* {{{ */
@@ -427,6 +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.
@@ -464,7 +508,6 @@ static void cpu_commit_num_cpu (gauge_t value) /* {{{ */
        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));