45 |
|
#include <sys/param.h> |
46 |
|
#include <uvm/uvm.h> |
47 |
|
#endif |
48 |
+ |
#ifdef WIN32 |
49 |
+ |
#include "win32.h" |
50 |
+ |
#endif |
51 |
|
|
52 |
|
static sg_page_stats page_stats; |
53 |
+ |
#ifndef WIN32 |
54 |
|
static int page_stats_uninit=1; |
55 |
+ |
#endif |
56 |
|
|
57 |
|
sg_page_stats *sg_get_page_stats(){ |
58 |
|
#ifdef SOLARIS |
59 |
< |
kstat_ctl_t *kc; |
60 |
< |
kstat_t *ksp; |
61 |
< |
cpu_stat_t cs; |
59 |
> |
kstat_ctl_t *kc; |
60 |
> |
kstat_t *ksp; |
61 |
> |
cpu_stat_t cs; |
62 |
|
#endif |
63 |
|
#if defined(LINUX) || defined(CYGWIN) |
64 |
|
FILE *f; |
72 |
|
#endif |
73 |
|
|
74 |
|
page_stats.systime = time(NULL); |
75 |
< |
page_stats.pages_pagein=0; |
76 |
< |
page_stats.pages_pageout=0; |
75 |
> |
page_stats.pages_pagein=0; |
76 |
> |
page_stats.pages_pageout=0; |
77 |
|
|
78 |
|
#ifdef SOLARIS |
79 |
< |
if ((kc = kstat_open()) == NULL) { |
80 |
< |
return NULL; |
81 |
< |
} |
82 |
< |
for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) { |
83 |
< |
if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue; |
84 |
< |
if (kstat_read(kc, ksp, &cs) == -1) { |
85 |
< |
continue; |
86 |
< |
} |
79 |
> |
if ((kc = kstat_open()) == NULL) { |
80 |
> |
sg_set_error(SG_ERROR_KSTAT_OPEN, NULL); |
81 |
> |
return NULL; |
82 |
> |
} |
83 |
> |
for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) { |
84 |
> |
if ((strcmp(ksp->ks_module, "cpu_stat")) != 0) continue; |
85 |
> |
if (kstat_read(kc, ksp, &cs) == -1) { |
86 |
> |
continue; |
87 |
> |
} |
88 |
|
|
89 |
|
page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin; |
90 |
|
page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout; |
111 |
|
fclose(f); |
112 |
|
} else if ((f = fopen("/proc/stat", "r")) != NULL) { |
113 |
|
if ((line_ptr = sg_f_read_line(f, "page")) == NULL) { |
114 |
+ |
sg_set_error(SG_ERROR_PARSE, "page"); |
115 |
|
fclose(f); |
116 |
|
return NULL; |
117 |
|
} |
118 |
|
|
119 |
|
if (sscanf(line_ptr, "page %lld %lld", &page_stats.pages_pagein, &page_stats.pages_pageout) != 2) { |
120 |
+ |
sg_set_error(SG_ERROR_PARSE, "page"); |
121 |
|
fclose(f); |
122 |
|
return NULL; |
123 |
|
} |
124 |
|
|
125 |
|
fclose(f); |
126 |
|
} else { |
127 |
+ |
sg_set_error_with_errno(SG_ERROR_OPEN, "/proc/stat"); |
128 |
|
return NULL; |
129 |
|
} |
130 |
|
#endif |
131 |
|
#if defined(FREEBSD) || defined(DFBSD) |
132 |
|
size = sizeof page_stats.pages_pagein; |
133 |
< |
if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){ |
134 |
< |
return NULL; |
135 |
< |
} |
133 |
> |
if (sysctlbyname("vm.stats.vm.v_swappgsin", &page_stats.pages_pagein, &size, NULL, 0) < 0){ |
134 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
135 |
> |
"vm.stats.vm.v_swappgsin"); |
136 |
> |
return NULL; |
137 |
> |
} |
138 |
|
size = sizeof page_stats.pages_pageout; |
139 |
< |
if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){ |
140 |
< |
return NULL; |
141 |
< |
} |
139 |
> |
if (sysctlbyname("vm.stats.vm.v_swappgsout", &page_stats.pages_pageout, &size, NULL, 0) < 0){ |
140 |
> |
sg_set_error_with_errno(SG_ERROR_SYSCTLBYNAME, |
141 |
> |
"vm.stats.vm.v_swappgsout"); |
142 |
> |
return NULL; |
143 |
> |
} |
144 |
|
#endif |
145 |
|
#if defined(NETBSD) || defined(OPENBSD) |
146 |
|
if ((uvm = sg_get_uvmexp()) == NULL) { |
150 |
|
page_stats.pages_pagein = uvm->pgswapin; |
151 |
|
page_stats.pages_pageout = uvm->pgswapout; |
152 |
|
#endif |
153 |
+ |
#ifdef WIN32 |
154 |
+ |
sg_set_error(SG_ERROR_UNSUPPORTED, "Win32"); |
155 |
+ |
return NULL; |
156 |
+ |
#endif |
157 |
|
|
158 |
|
return &page_stats; |
159 |
|
} |
160 |
|
|
161 |
|
sg_page_stats *sg_get_page_stats_diff(){ |
145 |
– |
sg_page_stats *page_ptr; |
162 |
|
static sg_page_stats page_stats_diff; |
163 |
+ |
#ifndef WIN32 |
164 |
+ |
sg_page_stats *page_ptr; |
165 |
|
|
166 |
|
if(page_stats_uninit){ |
167 |
|
page_ptr=sg_get_page_stats(); |
181 |
|
return NULL; |
182 |
|
} |
183 |
|
|
184 |
< |
page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein; |
185 |
< |
page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout; |
186 |
< |
page_stats_diff.systime=page_stats.systime-page_stats_diff.systime; |
187 |
< |
|
184 |
> |
page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein; |
185 |
> |
page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout; |
186 |
> |
page_stats_diff.systime=page_stats.systime-page_stats_diff.systime; |
187 |
> |
|
188 |
> |
#else /* WIN32 */ |
189 |
> |
if(read_counter_large(SG_WIN32_PAGEIN, &page_stats_diff.pages_pagein)) { |
190 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN); |
191 |
> |
return NULL; |
192 |
> |
} |
193 |
> |
if(read_counter_large(SG_WIN32_PAGEOUT, &page_stats_diff.pages_pageout)) { |
194 |
> |
sg_set_error(SG_ERROR_PDHREAD, PDH_PAGEIN); |
195 |
> |
return NULL; |
196 |
> |
} |
197 |
> |
page_stats_diff.systime = 0; |
198 |
> |
#endif /* WIN32 */ |
199 |
> |
|
200 |
|
return &page_stats_diff; |
201 |
|
} |