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#include <sys/sysctl.h> |
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#include <sys/dkstat.h> |
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#endif |
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#ifdef HPUX |
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#include <sys/param.h> |
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#include <sys/pstat.h> |
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#include <sys/dk.h> |
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#endif |
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#ifdef WIN32 |
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#include <pdh.h> |
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#include "win32.h" |
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#endif |
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|
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static sg_cpu_stats cpu_now; |
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static int cpu_now_uninit=1; |
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|
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sg_cpu_stats *sg_get_cpu_stats(){ |
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|
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#ifdef HPUX |
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struct pst_dynamic pstat_dynamic; |
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int i; |
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#endif |
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#ifdef SOLARIS |
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kstat_ctl_t *kc; |
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kstat_t *ksp; |
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cpu_now.iowait=0; |
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cpu_now.kernel=0; |
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cpu_now.idle=0; |
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/* Not stored in linux or freebsd */ |
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/* Not stored in linux, freebsd, hpux or windows */ |
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cpu_now.swap=0; |
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cpu_now.total=0; |
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< |
/* Not stored in solaris */ |
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/* Not stored in solaris or windows */ |
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cpu_now.nice=0; |
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|
|
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#ifdef HPUX |
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if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) { |
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sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic"); |
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return NULL; |
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} |
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cpu_now.user = pstat_dynamic.psd_cpu_time[CP_USER]; |
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cpu_now.iowait = pstat_dynamic.psd_cpu_time[CP_WAIT]; |
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cpu_now.kernel = pstat_dynamic.psd_cpu_time[CP_SSYS] + pstat_dynamic.psd_cpu_time[CP_SYS]; |
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cpu_now.idle = pstat_dynamic.psd_cpu_time[CP_IDLE]; |
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cpu_now.nice = pstat_dynamic.psd_cpu_time[CP_NICE]; |
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for (i = 0; i < PST_MAX_CPUSTATES; i++) { |
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cpu_now.total += pstat_dynamic.psd_cpu_time[i]; |
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} |
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#endif |
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#ifdef SOLARIS |
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if ((kc = kstat_open()) == NULL) { |
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sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
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continue; |
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} |
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cpu_now.user+=(long long)cs.cpu_sysinfo.cpu[CPU_USER]; |
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cpu_now.iowait+=(long long)cs.cpu_sysinfo.cpu[CPU_WAIT]; |
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cpu_now.kernel+=(long long)cs.cpu_sysinfo.cpu[CPU_KERNEL]; |
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cpu_now.idle+=(long long)cs.cpu_sysinfo.cpu[CPU_IDLE]; |
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cpu_now.swap+=(long long)cs.cpu_sysinfo.cpu[CPU_STATES]; |
130 |
> |
cpu_now.iowait+=(long long)cs.cpu_sysinfo.wait[W_IO]+(long long)cs.cpu_sysinfo.wait[W_PIO]; |
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cpu_now.swap+=(long long)cs.cpu_sysinfo.wait[W_SWAP]; |
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} |
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|
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cpu_now.total=cpu_now.user+cpu_now.iowait+cpu_now.kernel+cpu_now.idle+cpu_now.swap; |
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#endif |
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#if defined(LINUX) || defined(CYGWIN) |
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if ((f=fopen("/proc/stat", "r" ))==NULL) { |
140 |
< |
sg_set_error(SG_ERROR_OPEN, "/proc/stat"); |
140 |
> |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/stat"); |
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return NULL; |
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} |
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/* The very first line should be cpu */ |
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#if defined(FREEBSD) || defined(DFBSD) |
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size = sizeof cp_time; |
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if (sysctlbyname("kern.cp_time", &cp_time, &size, NULL, 0) < 0){ |
162 |
< |
sg_set_error(SG_ERROR_SYSCTLBYNAME, "kern.cp_time"); |
162 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, "kern.cp_time"); |
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return NULL; |
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} |
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#else |
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size = sizeof cp_time; |
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if (sysctl(mib, 2, &cp_time, &size, NULL, 0) < 0) { |
174 |
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#ifdef NETBSD |
175 |
< |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_CP_TIME"); |
175 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTL, |
176 |
> |
"CTL_KERN.KERN_CP_TIME"); |
177 |
|
#else |
178 |
< |
sg_set_error(SG_ERROR_SYSCTL, "CTL_KERN.KERN_CPTIME"); |
178 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTL, |
179 |
> |
"CTL_KERN.KERN_CPTIME"); |
180 |
|
#endif |
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return NULL; |
182 |
|
} |
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|
cpu_now.total=cpu_now.user+cpu_now.nice+cpu_now.kernel+cpu_now.idle; |
191 |
|
|
192 |
|
#endif |
193 |
+ |
#ifdef WIN32 |
194 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Win32"); |
195 |
+ |
return NULL; |
196 |
+ |
#endif |
197 |
|
|
198 |
|
cpu_now.systime=time(NULL); |
199 |
|
cpu_now_uninit=0; |
242 |
|
|
243 |
|
sg_cpu_percents *sg_get_cpu_percents(){ |
244 |
|
static sg_cpu_percents cpu_usage; |
245 |
+ |
#ifndef WIN32 |
246 |
|
sg_cpu_stats *cs_ptr; |
247 |
|
|
248 |
|
cs_ptr=sg_get_cpu_stats_diff(); |
257 |
|
cpu_usage.swap = ((float)cs_ptr->swap / (float)cs_ptr->total)*100; |
258 |
|
cpu_usage.nice = ((float)cs_ptr->nice / (float)cs_ptr->total)*100; |
259 |
|
cpu_usage.time_taken = cs_ptr->systime; |
260 |
+ |
#else |
261 |
+ |
double result; |
262 |
|
|
263 |
< |
return &cpu_usage; |
263 |
> |
if(read_counter_double(SG_WIN32_PROC_USER, &result)) { |
264 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_USER); |
265 |
> |
return NULL; |
266 |
> |
} |
267 |
> |
cpu_usage.user = (float)result; |
268 |
> |
if(read_counter_double(SG_WIN32_PROC_PRIV, &result)) { |
269 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_PRIV); |
270 |
> |
return NULL; |
271 |
> |
} |
272 |
> |
cpu_usage.kernel = (float)result; |
273 |
> |
if(read_counter_double(SG_WIN32_PROC_IDLE, &result)) { |
274 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_IDLE); |
275 |
> |
return NULL; |
276 |
> |
} |
277 |
> |
/* win2000 does not have an idle counter, but does have %activity |
278 |
> |
* so convert it to idle */ |
279 |
> |
cpu_usage.idle = 100 - (float)result; |
280 |
> |
if(read_counter_double(SG_WIN32_PROC_INT, &result)) { |
281 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_INTER); |
282 |
> |
return NULL; |
283 |
> |
} |
284 |
> |
cpu_usage.iowait = (float)result; |
285 |
> |
#endif |
286 |
|
|
287 |
+ |
return &cpu_usage; |
288 |
|
} |
289 |
|
|