50 |
|
#include <sys/sysctl.h> |
51 |
|
#include <sys/dkstat.h> |
52 |
|
#endif |
53 |
+ |
#ifdef HPUX |
54 |
+ |
#include <sys/param.h> |
55 |
+ |
#include <sys/pstat.h> |
56 |
+ |
#include <sys/dk.h> |
57 |
+ |
#endif |
58 |
+ |
#ifdef WIN32 |
59 |
+ |
#include <pdh.h> |
60 |
+ |
#include "win32.h" |
61 |
+ |
#endif |
62 |
|
|
63 |
|
static sg_cpu_stats cpu_now; |
64 |
|
static int cpu_now_uninit=1; |
65 |
|
|
66 |
|
sg_cpu_stats *sg_get_cpu_stats(){ |
67 |
|
|
68 |
+ |
#ifdef HPUX |
69 |
+ |
struct pst_dynamic pstat_dynamic; |
70 |
+ |
int i; |
71 |
+ |
#endif |
72 |
|
#ifdef SOLARIS |
73 |
|
kstat_ctl_t *kc; |
74 |
|
kstat_t *ksp; |
76 |
|
#endif |
77 |
|
#if defined(LINUX) || defined(CYGWIN) |
78 |
|
FILE *f; |
79 |
+ |
int proc_stat_cpu; |
80 |
|
#endif |
81 |
|
#ifdef ALLBSD |
82 |
|
#if defined(NETBSD) || defined(OPENBSD) |
95 |
|
cpu_now.iowait=0; |
96 |
|
cpu_now.kernel=0; |
97 |
|
cpu_now.idle=0; |
98 |
< |
/* Not stored in linux or freebsd */ |
98 |
> |
/* Not stored in linux, freebsd, hpux or windows */ |
99 |
|
cpu_now.swap=0; |
100 |
|
cpu_now.total=0; |
101 |
< |
/* Not stored in solaris */ |
101 |
> |
/* Not stored in solaris or windows */ |
102 |
|
cpu_now.nice=0; |
103 |
|
|
104 |
+ |
#ifdef HPUX |
105 |
+ |
if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) { |
106 |
+ |
sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic"); |
107 |
+ |
return NULL; |
108 |
+ |
} |
109 |
+ |
cpu_now.user = pstat_dynamic.psd_cpu_time[CP_USER]; |
110 |
+ |
cpu_now.iowait = pstat_dynamic.psd_cpu_time[CP_WAIT]; |
111 |
+ |
cpu_now.kernel = pstat_dynamic.psd_cpu_time[CP_SSYS] + pstat_dynamic.psd_cpu_time[CP_SYS]; |
112 |
+ |
cpu_now.idle = pstat_dynamic.psd_cpu_time[CP_IDLE]; |
113 |
+ |
cpu_now.nice = pstat_dynamic.psd_cpu_time[CP_NICE]; |
114 |
+ |
for (i = 0; i < PST_MAX_CPUSTATES; i++) { |
115 |
+ |
cpu_now.total += pstat_dynamic.psd_cpu_time[i]; |
116 |
+ |
} |
117 |
+ |
#endif |
118 |
|
#ifdef SOLARIS |
119 |
|
if ((kc = kstat_open()) == NULL) { |
120 |
|
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
126 |
|
continue; |
127 |
|
} |
128 |
|
cpu_now.user+=(long long)cs.cpu_sysinfo.cpu[CPU_USER]; |
101 |
– |
cpu_now.iowait+=(long long)cs.cpu_sysinfo.cpu[CPU_WAIT]; |
129 |
|
cpu_now.kernel+=(long long)cs.cpu_sysinfo.cpu[CPU_KERNEL]; |
130 |
|
cpu_now.idle+=(long long)cs.cpu_sysinfo.cpu[CPU_IDLE]; |
131 |
< |
cpu_now.swap+=(long long)cs.cpu_sysinfo.cpu[CPU_STATES]; |
131 |
> |
cpu_now.iowait+=(long long)cs.cpu_sysinfo.wait[W_IO]+(long long)cs.cpu_sysinfo.wait[W_PIO]; |
132 |
> |
cpu_now.swap+=(long long)cs.cpu_sysinfo.wait[W_SWAP]; |
133 |
|
} |
134 |
|
|
135 |
|
cpu_now.total=cpu_now.user+cpu_now.iowait+cpu_now.kernel+cpu_now.idle+cpu_now.swap; |
141 |
|
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/stat"); |
142 |
|
return NULL; |
143 |
|
} |
144 |
+ |
|
145 |
|
/* The very first line should be cpu */ |
146 |
< |
if((fscanf(f, "cpu %lld %lld %lld %lld", \ |
146 |
> |
proc_stat_cpu = fscanf(f, "cpu %lld %lld %lld %lld %lld", \ |
147 |
|
&cpu_now.user, \ |
148 |
|
&cpu_now.nice, \ |
149 |
|
&cpu_now.kernel, \ |
150 |
< |
&cpu_now.idle)) != 4){ |
150 |
> |
&cpu_now.idle, \ |
151 |
> |
&cpu_now.iowait); |
152 |
> |
|
153 |
> |
fclose(f); |
154 |
> |
|
155 |
> |
if (proc_stat_cpu < 4 || proc_stat_cpu > 5) { |
156 |
|
sg_set_error(SG_ERROR_PARSE, "cpu"); |
123 |
– |
fclose(f); |
157 |
|
return NULL; |
158 |
|
} |
159 |
|
|
160 |
< |
fclose(f); |
160 |
> |
/* older linux doesn't give iowait */ |
161 |
> |
if (proc_stat_cpu == 4) { |
162 |
> |
cpu_now.iowait = 0; |
163 |
> |
} |
164 |
|
|
165 |
|
cpu_now.total=cpu_now.user+cpu_now.nice+cpu_now.kernel+cpu_now.idle; |
166 |
|
#endif |
199 |
|
cpu_now.total=cpu_now.user+cpu_now.nice+cpu_now.kernel+cpu_now.idle; |
200 |
|
|
201 |
|
#endif |
202 |
+ |
#ifdef WIN32 |
203 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Win32"); |
204 |
+ |
return NULL; |
205 |
+ |
#endif |
206 |
|
|
207 |
|
cpu_now.systime=time(NULL); |
208 |
|
cpu_now_uninit=0; |
251 |
|
|
252 |
|
sg_cpu_percents *sg_get_cpu_percents(){ |
253 |
|
static sg_cpu_percents cpu_usage; |
254 |
+ |
#ifndef WIN32 |
255 |
|
sg_cpu_stats *cs_ptr; |
256 |
|
|
257 |
|
cs_ptr=sg_get_cpu_stats_diff(); |
266 |
|
cpu_usage.swap = ((float)cs_ptr->swap / (float)cs_ptr->total)*100; |
267 |
|
cpu_usage.nice = ((float)cs_ptr->nice / (float)cs_ptr->total)*100; |
268 |
|
cpu_usage.time_taken = cs_ptr->systime; |
269 |
+ |
#else |
270 |
+ |
double result; |
271 |
|
|
272 |
< |
return &cpu_usage; |
272 |
> |
if(read_counter_double(SG_WIN32_PROC_USER, &result)) { |
273 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_USER); |
274 |
> |
return NULL; |
275 |
> |
} |
276 |
> |
cpu_usage.user = (float)result; |
277 |
> |
if(read_counter_double(SG_WIN32_PROC_PRIV, &result)) { |
278 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_PRIV); |
279 |
> |
return NULL; |
280 |
> |
} |
281 |
> |
cpu_usage.kernel = (float)result; |
282 |
> |
if(read_counter_double(SG_WIN32_PROC_IDLE, &result)) { |
283 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_IDLE); |
284 |
> |
return NULL; |
285 |
> |
} |
286 |
> |
/* win2000 does not have an idle counter, but does have %activity |
287 |
> |
* so convert it to idle */ |
288 |
> |
cpu_usage.idle = 100 - (float)result; |
289 |
> |
if(read_counter_double(SG_WIN32_PROC_INT, &result)) { |
290 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_INTER); |
291 |
> |
return NULL; |
292 |
> |
} |
293 |
> |
cpu_usage.iowait = (float)result; |
294 |
> |
#endif |
295 |
|
|
296 |
+ |
return &cpu_usage; |
297 |
|
} |
298 |
|
|