Merge pull request #2874 from elfiesmelfie/feat_virt_block_info

[collectd.git] / src / cpu.c

diff --git a/src/cpu.c b/src/cpu.c
index 6b1b7a6..e7f3c18 100644 (file)
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -29,8 +29,8 @@
 
 #include "collectd.h"
 
-#include "common.h"
 #include "plugin.h"
+#include "utils/common/common.h"
 
 #ifdef HAVE_MACH_KERN_RETURN_H
 #include <mach/kern_return.h>
@@ -183,23 +183,23 @@ static int pnumcpu;
 struct cpu_state_s {
   value_to_rate_state_t conv;
   gauge_t rate;
-  _Bool has_value;
+  bool has_value;
 };
 typedef struct cpu_state_s cpu_state_t;
 
-static cpu_state_t *cpu_states = NULL;
-static size_t cpu_states_num = 0; /* #cpu_states allocated */
+static cpu_state_t *cpu_states;
+static size_t cpu_states_num; /* #cpu_states allocated */
 
 /* Highest CPU number in the current iteration. Used by the dispatch logic to
  * determine how many CPUs there were. Reset to 0 by cpu_reset(). */
-static size_t global_cpu_num = 0;
+static size_t global_cpu_num;
 
-static _Bool report_by_cpu = 1;
-static _Bool report_by_state = 1;
-static _Bool report_percent = 0;
-static _Bool report_num_cpu = 0;
-static _Bool report_guest = 0;
-static _Bool subtract_guest = 1;
+static bool report_by_cpu = true;
+static bool report_by_state = true;
+static bool report_percent;
+static bool report_num_cpu;
+static bool report_guest;
+static bool subtract_guest = true;
 
 static const char *config_keys[] = {"ReportByCpu",      "ReportByState",
                                     "ReportNumCpu",     "ValuesPercentage",
@@ -209,17 +209,17 @@ static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
 static int cpu_config(char const *key, char const *value) /* {{{ */
 {
   if (strcasecmp(key, "ReportByCpu") == 0)
-    report_by_cpu = IS_TRUE(value) ? 1 : 0;
+    report_by_cpu = IS_TRUE(value);
   else if (strcasecmp(key, "ValuesPercentage") == 0)
-    report_percent = IS_TRUE(value) ? 1 : 0;
+    report_percent = IS_TRUE(value);
   else if (strcasecmp(key, "ReportByState") == 0)
-    report_by_state = IS_TRUE(value) ? 1 : 0;
+    report_by_state = IS_TRUE(value);
   else if (strcasecmp(key, "ReportNumCpu") == 0)
-    report_num_cpu = IS_TRUE(value) ? 1 : 0;
+    report_num_cpu = IS_TRUE(value);
   else if (strcasecmp(key, "ReportGuestState") == 0)
-    report_guest = IS_TRUE(value) ? 1 : 0;
+    report_guest = IS_TRUE(value);
   else if (strcasecmp(key, "SubtractGuestState") == 0)
-    subtract_guest = IS_TRUE(value) ? 1 : 0;
+    subtract_guest = IS_TRUE(value);
   else
     return -1;
 
@@ -279,8 +279,7 @@ static int init(void) {
 
   status = sysctl(mib, STATIC_ARRAY_SIZE(mib), &numcpu, &numcpu_size, NULL, 0);
   if (status == -1) {
-    char errbuf[1024];
-    WARNING("cpu plugin: sysctl: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
+    WARNING("cpu plugin: sysctl: %s", STRERRNO);
     return -1;
   }
 /* #endif CAN_USE_SYSCTL */
@@ -291,9 +290,7 @@ static int init(void) {
   numcpu_size = sizeof(numcpu);
 
   if (sysctlbyname("hw.ncpu", &numcpu, &numcpu_size, NULL, 0) < 0) {
-    char errbuf[1024];
-    WARNING("cpu plugin: sysctlbyname(hw.ncpu): %s",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+    WARNING("cpu plugin: sysctlbyname(hw.ncpu): %s", STRERRNO);
     return -1;
   }
 
@@ -301,9 +298,7 @@ static int init(void) {
   numcpu_size = sizeof(maxcpu);
 
   if (sysctlbyname("kern.smp.maxcpus", &maxcpu, &numcpu_size, NULL, 0) < 0) {
-    char errbuf[1024];
-    WARNING("cpu plugin: sysctlbyname(kern.smp.maxcpus): %s",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+    WARNING("cpu plugin: sysctlbyname(kern.smp.maxcpus): %s", STRERRNO);
     return -1;
   }
 #else
@@ -436,7 +431,7 @@ static void aggregate(gauge_t *sum_by_state) /* {{{ */
     }
 
     if (!isnan(this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate))
-      this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].has_value = 1;
+      this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].has_value = true;
 
     RATE_ADD(sum_by_state[COLLECTD_CPU_STATE_ACTIVE],
              this_cpu_states[COLLECTD_CPU_STATE_ACTIVE].rate);
@@ -447,9 +442,7 @@ static void aggregate(gauge_t *sum_by_state) /* {{{ */
   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)));
+    WARNING("cpu plugin: perfstat_cpu_total: %s", STRERRNO);
     return;
   }
 
@@ -512,7 +505,7 @@ static void cpu_commit_num_cpu(gauge_t value) /* {{{ */
 static void cpu_reset(void) /* {{{ */
 {
   for (size_t i = 0; i < cpu_states_num; i++)
-    cpu_states[i].has_value = 0;
+    cpu_states[i].has_value = false;
 
   global_cpu_num = 0;
 } /* }}} void cpu_reset */
@@ -595,7 +588,7 @@ static int cpu_stage(size_t cpu_num, size_t state, derive_t d,
     return status;
 
   s->rate = rate;
-  s->has_value = 1;
+  s->has_value = true;
   return 0;
 } /* }}} int cpu_stage */
 
@@ -648,9 +641,7 @@ static int cpu_read(void) {
   int numfields;
 
   if ((fh = fopen("/proc/stat", "r")) == NULL) {
-    char errbuf[1024];
-    ERROR("cpu plugin: fopen (/proc/stat) failed: %s",
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+    ERROR("cpu plugin: fopen (/proc/stat) failed: %s", STRERRNO);
     return -1;
   }
 
@@ -763,9 +754,7 @@ static int cpu_read(void) {
       status = sysctl(mib, STATIC_ARRAY_SIZE(mib), cpuinfo[i], &cpuinfo_size,
                       NULL, 0);
       if (status == -1) {
-        char errbuf[1024];
-        ERROR("cpu plugin: sysctl failed: %s.",
-              sstrerror(errno, errbuf, sizeof(errbuf)));
+        ERROR("cpu plugin: sysctl failed: %s.", STRERRNO);
         return -1;
       }
     }
@@ -780,9 +769,7 @@ static int cpu_read(void) {
     status = sysctl(mib, STATIC_ARRAY_SIZE(mib), &cpuinfo_tmp, &cpuinfo_size,
                     NULL, 0);
     if (status == -1) {
-      char errbuf[1024];
-      ERROR("cpu plugin: sysctl failed: %s.",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+      ERROR("cpu plugin: sysctl failed: %s.", STRERRNO);
       return -1;
     }
 
@@ -810,9 +797,7 @@ static int cpu_read(void) {
 
   cpuinfo_size = sizeof(cpuinfo);
   if (sysctlbyname("kern.cp_times", &cpuinfo, &cpuinfo_size, NULL, 0) < 0) {
-    char errbuf[1024];
-    ERROR("cpu plugin: sysctlbyname failed: %s.",
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+    ERROR("cpu plugin: sysctlbyname failed: %s.", STRERRNO);
     return -1;
   }
 
@@ -833,9 +818,7 @@ static int cpu_read(void) {
   cpuinfo_size = sizeof(cpuinfo);
 
   if (sysctlbyname("kern.cp_time", &cpuinfo, &cpuinfo_size, NULL, 0) < 0) {
-    char errbuf[1024];
-    ERROR("cpu plugin: sysctlbyname failed: %s.",
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+    ERROR("cpu plugin: sysctlbyname failed: %s.", STRERRNO);
     return -1;
   }
 
@@ -869,9 +852,7 @@ static int cpu_read(void) {
 
   numcpu = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);
   if (numcpu == -1) {
-    char errbuf[1024];
-    WARNING("cpu plugin: perfstat_cpu: %s",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+    WARNING("cpu plugin: perfstat_cpu: %s", STRERRNO);
     return -1;
   }
 
@@ -883,9 +864,7 @@ static int cpu_read(void) {
 
   id.name[0] = '\0';
   if ((cpus = perfstat_cpu(&id, perfcpu, sizeof(perfstat_cpu_t), numcpu)) < 0) {
-    char errbuf[1024];
-    WARNING("cpu plugin: perfstat_cpu: %s",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+    WARNING("cpu plugin: perfstat_cpu: %s", STRERRNO);
     return -1;
   }