/*
* CPU usage as ticks spent in different states,
* see <tt>sg_get_cpu_stats(3)</tt> manpage.
*/
static VALUE
statgrab_cpu_stats(VALUE self)
{
sg_cpu_stats *stats;
VALUE info, time_at;
if ((stats = sg_get_cpu_stats()) == NULL)
statgrab_handle_error();
info = rb_hash_new();
rb_hash_aset(info, ID2SYM(rb_intern("user")), INT2NUM(stats->user));
rb_hash_aset(info, ID2SYM(rb_intern("kernel")),
INT2NUM(stats->kernel));
rb_hash_aset(info, ID2SYM(rb_intern("idle")), INT2NUM(stats->idle));
rb_hash_aset(info, ID2SYM(rb_intern("iowait")),
INT2NUM(stats->iowait));
rb_hash_aset(info, ID2SYM(rb_intern("swap")), INT2NUM(stats->swap));
rb_hash_aset(info, ID2SYM(rb_intern("nice")), INT2NUM(stats->nice));
rb_hash_aset(info, ID2SYM(rb_intern("systime")),
INT2NUM(stats->systime));
time_at = rb_funcall(rb_cTime, rb_intern("at"), 1,
INT2NUM(stats->systime));
rb_hash_aset(info, ID2SYM(rb_intern("time")), time_at);
return info;
}
sg_cpu_stats *sg_get_cpu_stats_diff(){
static sg_cpu_stats cpu_diff;
sg_cpu_stats cpu_then, *cpu_tmp;
if (cpu_now_uninit){
if((cpu_tmp=sg_get_cpu_stats())==NULL){
/* Should sg_get_cpu_stats fail */
return NULL;
}
return cpu_tmp;
}
cpu_then.user=cpu_now.user;
cpu_then.kernel=cpu_now.kernel;
cpu_then.idle=cpu_now.idle;
cpu_then.iowait=cpu_now.iowait;
cpu_then.swap=cpu_now.swap;
cpu_then.nice=cpu_now.nice;
cpu_then.total=cpu_now.total;
cpu_then.systime=cpu_now.systime;
if((cpu_tmp=sg_get_cpu_stats())==NULL){
return NULL;
}
cpu_diff.user = cpu_now.user - cpu_then.user;
cpu_diff.kernel = cpu_now.kernel - cpu_then.kernel;
cpu_diff.idle = cpu_now.idle - cpu_then.idle;
cpu_diff.iowait = cpu_now.iowait - cpu_then.iowait;
cpu_diff.swap = cpu_now.swap - cpu_then.swap;
cpu_diff.nice = cpu_now.nice - cpu_then.nice;
cpu_diff.total = cpu_now.total - cpu_then.total;
cpu_diff.systime = cpu_now.systime - cpu_then.systime;
return &cpu_diff;
}
void populate_cpu() {
if (use_cpu_percent) {
sg_cpu_percents *cpu_p = sg_get_cpu_percents();
if (cpu_p != NULL) {
add_stat(FLOAT, &cpu_p->user,
"cpu", "user", NULL);
add_stat(FLOAT, &cpu_p->kernel,
"cpu", "kernel", NULL);
add_stat(FLOAT, &cpu_p->idle,
"cpu", "idle", NULL);
add_stat(FLOAT, &cpu_p->iowait,
"cpu", "iowait", NULL);
add_stat(FLOAT, &cpu_p->swap,
"cpu", "swap", NULL);
add_stat(FLOAT, &cpu_p->nice,
"cpu", "nice", NULL);
add_stat(TIME_T, &cpu_p->time_taken,
"cpu", "time_taken", NULL);
}
} else {
sg_cpu_stats *cpu_s;
cpu_s = use_diffs ? sg_get_cpu_stats_diff()
: sg_get_cpu_stats();
if (cpu_s != NULL) {
add_stat(LONG_LONG, &cpu_s->user,
"cpu", "user", NULL);
add_stat(LONG_LONG, &cpu_s->kernel,
"cpu", "kernel", NULL);
add_stat(LONG_LONG, &cpu_s->idle,
"cpu", "idle", NULL);
add_stat(LONG_LONG, &cpu_s->iowait,
"cpu", "iowait", NULL);
add_stat(LONG_LONG, &cpu_s->swap,
"cpu", "swap", NULL);
add_stat(LONG_LONG, &cpu_s->nice,
"cpu", "nice", NULL);
add_stat(LONG_LONG, &cpu_s->total,
"cpu", "total", NULL);
add_stat(TIME_T, &cpu_s->systime,
"cpu", "systime", NULL);
}
}
}
static void
populate_cpu(void) {
sg_cpu_stats *cpu_s;
cpu_s = use_diffs ? sg_get_cpu_stats_diff(NULL)
: sg_get_cpu_stats(NULL);
if (use_cpu_percent) {
sg_cpu_percent_source cps = use_diffs
? sg_last_diff_cpu_percent
: sg_entire_cpu_percent;
sg_cpu_percents *cpu_p = sg_get_cpu_percents_of(cps, NULL);
if (cpu_p != NULL) {
add_stat(DOUBLE, &cpu_p->user,
"cpu", "user", NULL);
add_stat(DOUBLE, &cpu_p->kernel,
"cpu", "kernel", NULL);
add_stat(DOUBLE, &cpu_p->idle,
"cpu", "idle", NULL);
add_stat(DOUBLE, &cpu_p->iowait,
"cpu", "iowait", NULL);
add_stat(DOUBLE, &cpu_p->swap,
"cpu", "swap", NULL);
add_stat(DOUBLE, &cpu_p->nice,
"cpu", "nice", NULL);
add_stat(TIME_T, &cpu_p->time_taken,
"cpu", "time_taken", NULL);
}
} else {
if (cpu_s != NULL) {
add_stat(UNSIGNED_LONG_LONG, &cpu_s->user,
"cpu", "user", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->kernel,
"cpu", "kernel", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->idle,
"cpu", "idle", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->iowait,
"cpu", "iowait", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->swap,
"cpu", "swap", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->nice,
"cpu", "nice", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->total,
"cpu", "total", NULL);
add_stat(TIME_T, &cpu_s->systime,
"cpu", "systime", NULL);
}
}
if (cpu_s != NULL) {
add_stat(UNSIGNED_LONG_LONG, &cpu_s->context_switches,
"cpu", "ctxsw", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->voluntary_context_switches,
"cpu", "vctxsw", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->involuntary_context_switches,
"cpu", "nvctxsw", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->syscalls,
"cpu", "syscalls", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->interrupts,
"cpu", "intrs", NULL);
add_stat(UNSIGNED_LONG_LONG, &cpu_s->soft_interrupts,
"cpu", "softintrs", NULL);
}
}
static int cpu_read (void)
{
#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
int cpu;
kern_return_t status;
#if PROCESSOR_CPU_LOAD_INFO
processor_cpu_load_info_data_t cpu_info;
mach_msg_type_number_t cpu_info_len;
#endif
#if PROCESSOR_TEMPERATURE
processor_info_data_t cpu_temp;
mach_msg_type_number_t cpu_temp_len;
#endif
host_t cpu_host;
for (cpu = 0; cpu < cpu_list_len; cpu++)
{
#if PROCESSOR_CPU_LOAD_INFO
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
memset(derives, -1, sizeof(derives));
cpu_host = 0;
cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
if ((status = processor_info (cpu_list[cpu],
PROCESSOR_CPU_LOAD_INFO, &cpu_host,
(processor_info_t) &cpu_info, &cpu_info_len)) != KERN_SUCCESS)
{
ERROR ("cpu plugin: processor_info failed with status %i", (int) status);
continue;
}
if (cpu_info_len < CPU_STATE_MAX)
{
ERROR ("cpu plugin: processor_info returned only %i elements..", cpu_info_len);
continue;
}
derives[CPU_SUBMIT_USER] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_USER];
derives[CPU_SUBMIT_NICE] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_NICE];
derives[CPU_SUBMIT_SYSTEM] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM];
derives[CPU_SUBMIT_IDLE] = (derive_t) cpu_info.cpu_ticks[CPU_STATE_IDLE];
submit (cpu, derives);
#endif /* PROCESSOR_CPU_LOAD_INFO */
#if PROCESSOR_TEMPERATURE
/*
* Not all Apple computers do have this ability. To minimize
* the messages sent to the syslog we do an exponential
* stepback if `processor_info' fails. We still try ~once a day
* though..
*/
if (cpu_temp_retry_counter > 0)
{
cpu_temp_retry_counter--;
continue;
}
cpu_temp_len = PROCESSOR_INFO_MAX;
status = processor_info (cpu_list[cpu],
PROCESSOR_TEMPERATURE,
&cpu_host,
cpu_temp, &cpu_temp_len);
if (status != KERN_SUCCESS)
{
ERROR ("cpu plugin: processor_info failed: %s",
mach_error_string (status));
cpu_temp_retry_counter = cpu_temp_retry_step;
cpu_temp_retry_step *= 2;
if (cpu_temp_retry_step > cpu_temp_retry_max)
cpu_temp_retry_step = cpu_temp_retry_max;
continue;
}
if (cpu_temp_len != 1)
{
DEBUG ("processor_info (PROCESSOR_TEMPERATURE) returned %i elements..?",
(int) cpu_temp_len);
continue;
}
cpu_temp_retry_counter = 0;
cpu_temp_retry_step = 1;
#endif /* PROCESSOR_TEMPERATURE */
}
submit_flush ();
/* #endif PROCESSOR_CPU_LOAD_INFO */
#elif defined(KERNEL_LINUX)
int cpu;
FILE *fh;
char buf[1024];
char *fields[9];
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)));
return (-1);
}
while (fgets (buf, 1024, fh) != NULL)
{
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
if (strncmp (buf, "cpu", 3))
continue;
if ((buf[3] < '0') || (buf[3] > '9'))
continue;
numfields = strsplit (buf, fields, 9);
if (numfields < 5)
continue;
cpu = atoi (fields[0] + 3);
derives[CPU_SUBMIT_USER] = atoll(fields[1]);
derives[CPU_SUBMIT_NICE] = atoll(fields[2]);
derives[CPU_SUBMIT_SYSTEM] = atoll(fields[3]);
derives[CPU_SUBMIT_IDLE] = atoll(fields[4]);
if (numfields >= 8)
{
derives[CPU_SUBMIT_WAIT] = atoll(fields[5]);
derives[CPU_SUBMIT_INTERRUPT] = atoll(fields[6]);
derives[CPU_SUBMIT_SOFTIRQ] = atoll(fields[6]);
if (numfields >= 9)
derives[CPU_SUBMIT_STEAL] = atoll(fields[8]);
}
submit(cpu, derives);
}
submit_flush();
fclose (fh);
/* #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++)
{
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
if (kstat_read (kc, ksp[cpu], &cs) == -1)
continue; /* error message? */
memset(derives, -1, sizeof(derives));
derives[CPU_SUBMIT_IDLE] = cs.cpu_sysinfo.cpu[CPU_IDLE];
derives[CPU_SUBMIT_USER] = cs.cpu_sysinfo.cpu[CPU_USER];
derives[CPU_SUBMIT_SYSTEM] = cs.cpu_sysinfo.cpu[CPU_KERNEL];
derives[CPU_SUBMIT_WAIT] = cs.cpu_sysinfo.cpu[CPU_WAIT];
submit (ksp[cpu]->ks_instance, derives);
}
submit_flush ();
/* #endif defined(HAVE_LIBKSTAT) */
#elif CAN_USE_SYSCTL
uint64_t cpuinfo[numcpu][CPUSTATES];
size_t cpuinfo_size;
int status;
int i;
if (numcpu < 1)
{
ERROR ("cpu plugin: Could not determine number of "
"installed CPUs using sysctl(3).");
return (-1);
}
memset (cpuinfo, 0, sizeof (cpuinfo));
#if defined(KERN_CPTIME2)
if (numcpu > 1) {
for (i = 0; i < numcpu; i++) {
int mib[] = {CTL_KERN, KERN_CPTIME2, i};
cpuinfo_size = sizeof (cpuinfo[0]);
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)));
return (-1);
}
}
}
else
#endif /* defined(KERN_CPTIME2) */
{
int mib[] = {CTL_KERN, KERN_CPTIME};
long cpuinfo_tmp[CPUSTATES];
cpuinfo_size = sizeof(cpuinfo_tmp);
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)));
return (-1);
}
for(i = 0; i < CPUSTATES; i++) {
cpuinfo[0][i] = cpuinfo_tmp[i];
}
}
for (i = 0; i < numcpu; i++) {
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
derives[CPU_SUBMIT_USER] = cpuinfo[i][CP_USER];
derives[CPU_SUBMIT_NICE] = cpuinfo[i][CP_NICE];
derives[CPU_SUBMIT_SYSTEM] = cpuinfo[i][CP_SYS];
derives[CPU_SUBMIT_IDLE] = cpuinfo[i][CP_IDLE];
derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[i][CP_INTR];
submit(i, derives);
}
submit_flush();
/* #endif CAN_USE_SYSCTL */
#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));
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)));
return (-1);
}
for (i = 0; i < numcpu; i++) {
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
derives[CPU_SUBMIT_USER] = cpuinfo[i][CP_USER];
derives[CPU_SUBMIT_NICE] = cpuinfo[i][CP_NICE];
derives[CPU_SUBMIT_SYSTEM] = cpuinfo[i][CP_SYS];
derives[CPU_SUBMIT_IDLE] = cpuinfo[i][CP_IDLE];
derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[i][CP_INTR];
submit(i, derives);
}
submit_flush();
/* #endif HAVE_SYSCTL_KERN_CP_TIMES */
#elif defined(HAVE_SYSCTLBYNAME)
long cpuinfo[CPUSTATES];
size_t cpuinfo_size;
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
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)));
return (-1);
}
derives[CPU_SUBMIT_USER] = cpuinfo[CP_USER];
derives[CPU_SUBMIT_SYSTEM] = cpuinfo[CP_SYS];
derives[CPU_SUBMIT_NICE] = cpuinfo[CP_NICE];
derives[CPU_SUBMIT_IDLE] = cpuinfo[CP_IDLE];
derives[CPU_SUBMIT_INTERRUPT] = cpuinfo[CP_INTR];
submit(0, derives);
submit_flush();
/* #endif HAVE_SYSCTLBYNAME */
#elif defined(HAVE_LIBSTATGRAB)
sg_cpu_stats *cs;
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
cs = sg_get_cpu_stats ();
if (cs == NULL)
{
ERROR ("cpu plugin: sg_get_cpu_stats failed.");
return (-1);
}
derives[CPU_SUBMIT_IDLE] = (derive_t) cs->idle;
derives[CPU_SUBMIT_NICE] = (derive_t) cs->nice;
derives[CPU_SUBMIT_SWAP] = (derive_t) cs->swap;
derives[CPU_SUBMIT_SYSTEM] = (derive_t) cs->kernel;
derives[CPU_SUBMIT_USER] = (derive_t) cs->user;
derives[CPU_SUBMIT_WAIT] = (derive_t) cs->iowait;
submit(0, derives);
submit_flush();
/* #endif HAVE_LIBSTATGRAB */
#elif defined(HAVE_PERFSTAT)
perfstat_id_t id;
int i, cpus;
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)));
return (-1);
}
if (pnumcpu != numcpu || perfcpu == NULL)
{
if (perfcpu != NULL)
free(perfcpu);
perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t));
}
pnumcpu = numcpu;
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)));
return (-1);
}
for (i = 0; i < cpus; i++)
{
derive_t derives[CPU_SUBMIT_MAX] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
derives[CPU_SUBMIT_IDLE] = perfcpu[i].idle;
derives[CPU_SUBMIT_SYSTEM] = perfcpu[i].sys;
derives[CPU_SUBMIT_USER] = perfcpu[i].user;
derives[CPU_SUBMIT_WAIT] = perfcpu[i].wait;
submit(i, derives);
}
submit_flush();
#endif /* HAVE_PERFSTAT */
return (0);
}
static int cpu_read (void)
{
#if PROCESSOR_CPU_LOAD_INFO || PROCESSOR_TEMPERATURE
int cpu;
kern_return_t status;
#if PROCESSOR_CPU_LOAD_INFO
processor_cpu_load_info_data_t cpu_info;
mach_msg_type_number_t cpu_info_len;
#endif
#if PROCESSOR_TEMPERATURE
processor_info_data_t cpu_temp;
mach_msg_type_number_t cpu_temp_len;
#endif
host_t cpu_host;
for (cpu = 0; cpu < cpu_list_len; cpu++)
{
#if PROCESSOR_CPU_LOAD_INFO
cpu_host = 0;
cpu_info_len = PROCESSOR_BASIC_INFO_COUNT;
if ((status = processor_info (cpu_list[cpu],
PROCESSOR_CPU_LOAD_INFO, &cpu_host,
(processor_info_t) &cpu_info, &cpu_info_len)) != KERN_SUCCESS)
{
ERROR ("cpu plugin: processor_info failed with status %i", (int) status);
continue;
}
if (cpu_info_len < CPU_STATE_MAX)
{
ERROR ("cpu plugin: processor_info returned only %i elements..", cpu_info_len);
continue;
}
submit (cpu, "user", (counter_t) cpu_info.cpu_ticks[CPU_STATE_USER]);
submit (cpu, "nice", (counter_t) cpu_info.cpu_ticks[CPU_STATE_NICE]);
submit (cpu, "system", (counter_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM]);
submit (cpu, "idle", (counter_t) cpu_info.cpu_ticks[CPU_STATE_IDLE]);
#endif /* PROCESSOR_CPU_LOAD_INFO */
#if PROCESSOR_TEMPERATURE
/*
* Not all Apple computers do have this ability. To minimize
* the messages sent to the syslog we do an exponential
* stepback if `processor_info' fails. We still try ~once a day
* though..
*/
if (cpu_temp_retry_counter > 0)
{
cpu_temp_retry_counter--;
continue;
}
cpu_temp_len = PROCESSOR_INFO_MAX;
status = processor_info (cpu_list[cpu],
PROCESSOR_TEMPERATURE,
&cpu_host,
cpu_temp, &cpu_temp_len);
if (status != KERN_SUCCESS)
{
ERROR ("cpu plugin: processor_info failed: %s",
mach_error_string (status));
cpu_temp_retry_counter = cpu_temp_retry_step;
cpu_temp_retry_step *= 2;
if (cpu_temp_retry_step > cpu_temp_retry_max)
cpu_temp_retry_step = cpu_temp_retry_max;
continue;
}
if (cpu_temp_len != 1)
{
DEBUG ("processor_info (PROCESSOR_TEMPERATURE) returned %i elements..?",
(int) cpu_temp_len);
continue;
}
cpu_temp_retry_counter = 0;
cpu_temp_retry_step = 1;
DEBUG ("cpu_temp = %i", (int) cpu_temp);
#endif /* PROCESSOR_TEMPERATURE */
}
/* #endif PROCESSOR_CPU_LOAD_INFO */
#elif defined(KERNEL_LINUX)
int cpu;
counter_t user, nice, syst, idle;
counter_t wait, intr, sitr; /* sitr == soft interrupt */
FILE *fh;
char buf[1024];
char *fields[9];
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)));
return (-1);
}
while (fgets (buf, 1024, fh) != NULL)
{
if (strncmp (buf, "cpu", 3))
continue;
if ((buf[3] < '0') || (buf[3] > '9'))
continue;
numfields = strsplit (buf, fields, 9);
if (numfields < 5)
continue;
cpu = atoi (fields[0] + 3);
user = atoll (fields[1]);
nice = atoll (fields[2]);
syst = atoll (fields[3]);
idle = atoll (fields[4]);
submit (cpu, "user", user);
submit (cpu, "nice", nice);
submit (cpu, "system", syst);
submit (cpu, "idle", idle);
if (numfields >= 8)
{
wait = atoll (fields[5]);
intr = atoll (fields[6]);
sitr = atoll (fields[7]);
submit (cpu, "wait", wait);
submit (cpu, "interrupt", intr);
submit (cpu, "softirq", sitr);
if (numfields >= 9)
submit (cpu, "steal", atoll (fields[8]));
}
}
fclose (fh);
/* #endif defined(KERNEL_LINUX) */
#elif defined(HAVE_LIBKSTAT)
int cpu;
counter_t user, syst, idle, wait;
static cpu_stat_t cs;
if (kc == NULL)
return (-1);
for (cpu = 0; cpu < numcpu; cpu++)
{
if (kstat_read (kc, ksp[cpu], &cs) == -1)
continue; /* error message? */
idle = (counter_t) cs.cpu_sysinfo.cpu[CPU_IDLE];
user = (counter_t) cs.cpu_sysinfo.cpu[CPU_USER];
syst = (counter_t) cs.cpu_sysinfo.cpu[CPU_KERNEL];
wait = (counter_t) cs.cpu_sysinfo.cpu[CPU_WAIT];
submit (ksp[cpu]->ks_instance, "user", user);
submit (ksp[cpu]->ks_instance, "system", syst);
submit (ksp[cpu]->ks_instance, "idle", idle);
submit (ksp[cpu]->ks_instance, "wait", wait);
}
/* #endif defined(HAVE_LIBKSTAT) */
#elif CAN_USE_SYSCTL
uint64_t cpuinfo[numcpu][CPUSTATES];
size_t cpuinfo_size;
int status;
int i;
if (numcpu < 1)
{
ERROR ("cpu plugin: Could not determine number of "
"installed CPUs using sysctl(3).");
return (-1);
}
memset (cpuinfo, 0, sizeof (cpuinfo));
#if defined(KERN_CPTIME2)
if (numcpu > 1) {
for (i = 0; i < numcpu; i++) {
int mib[] = {CTL_KERN, KERN_CPTIME2, i};
cpuinfo_size = sizeof (cpuinfo[0]);
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)));
return (-1);
}
}
}
else
#endif /* defined(KERN_CPTIME2) */
{
int mib[] = {CTL_KERN, KERN_CPTIME};
long cpuinfo_tmp[CPUSTATES];
cpuinfo_size = sizeof(cpuinfo_tmp);
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)));
return (-1);
}
for(i = 0; i < CPUSTATES; i++) {
cpuinfo[0][i] = cpuinfo_tmp[i];
}
}
for (i = 0; i < numcpu; i++) {
submit (i, "user", cpuinfo[i][CP_USER]);
submit (i, "nice", cpuinfo[i][CP_NICE]);
submit (i, "system", cpuinfo[i][CP_SYS]);
submit (i, "idle", cpuinfo[i][CP_IDLE]);
submit (i, "interrupt", cpuinfo[i][CP_INTR]);
}
/* #endif CAN_USE_SYSCTL */
#elif defined(HAVE_SYSCTLBYNAME)
long cpuinfo[CPUSTATES];
size_t cpuinfo_size;
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)));
return (-1);
}
submit (0, "user", cpuinfo[CP_USER]);
submit (0, "nice", cpuinfo[CP_NICE]);
submit (0, "system", cpuinfo[CP_SYS]);
submit (0, "idle", cpuinfo[CP_IDLE]);
submit (0, "interrupt", cpuinfo[CP_INTR]);
/* #endif HAVE_SYSCTLBYNAME */
#elif defined(HAVE_LIBSTATGRAB)
sg_cpu_stats *cs;
cs = sg_get_cpu_stats ();
if (cs == NULL)
{
ERROR ("cpu plugin: sg_get_cpu_stats failed.");
return (-1);
}
submit (0, "idle", (counter_t) cs->idle);
submit (0, "nice", (counter_t) cs->nice);
submit (0, "swap", (counter_t) cs->swap);
submit (0, "system", (counter_t) cs->kernel);
submit (0, "user", (counter_t) cs->user);
submit (0, "wait", (counter_t) cs->iowait);
#endif /* HAVE_LIBSTATGRAB */
return (0);
}