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root/i-scream/projects/libstatgrab/src/libstatgrab/page_stats.c
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Comparing projects/libstatgrab/src/libstatgrab/page_stats.c (file contents):
Revision 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.3 by pajs, Wed Feb 19 00:25:36 2003 UTC

# Line 23 | Line 23
23   #endif
24  
25   #include <stdio.h>
26 < #include <statgrab.h>
26 > #include "statgrab.h"
27   #ifdef SOLARIS
28   #include <kstat.h>
29   #include <sys/sysinfo.h>
30 + #include <string.h>
31   #endif
32  
33 +
34 + static page_stat_t page_stats;
35 + static int page_stats_uninit=1;
36 +
37   page_stat_t *get_page_stats(){
33 –        static page_stat_t page_stats;
38          kstat_ctl_t *kc;
39          kstat_t *ksp;
40          cpu_stat_t cs;
37 –        uint_t swapin, swapout;
41  
42 +        page_stats.num_pagein=0;
43 +        page_stats.num_pageout=0;
44 +        page_stats.pages_pagein=0;
45 +        page_stats.pages_pageout=0;
46 +
47          if ((kc = kstat_open()) == NULL) {
40 –                errf("kstat_open failure (%m)");
48                  return NULL;
49          }
50          for (ksp = kc->kc_chain; ksp!=NULL; ksp = ksp->ks_next) {
# Line 46 | Line 53 | page_stat_t *get_page_stats(){
53                          continue;
54                  }
55  
56 <                page_stats+=cs.cpu_vminfo.pgswapin;
57 <                page_stats+=cs.cpu_vminfo.pgswapout;
56 >                page_stats.num_pagein+=(long long)cs.cpu_vminfo.pgin;
57 >                page_stats.num_pageout+=(long long)cs.cpu_vminfo.pgout;
58 >                page_stats.pages_pagein+=(long long)cs.cpu_vminfo.pgpgin;
59 >                page_stats.pages_pageout+=(long long)cs.cpu_vminfo.pgpgout;
60 >        }
61  
62 +        page_stats.systime=time(NULL);
63 +
64 +        kstat_close(kc);
65 +
66 +        return &page_stats;
67 + }
68 +
69 + page_stat_t *get_page_stats_diff(){
70 +        page_stat_t *page_ptr;
71 +        static page_stat_t page_stats_diff;
72 +
73 +        if(page_stats_uninit){
74 +                page_ptr=get_page_stats();
75 +                if(page_ptr==NULL){
76 +                        return NULL;
77 +                }
78 +                page_stats_uninit=0;
79 +                return page_ptr;
80 +        }
81 +
82 +        page_stats_diff.num_pagein=page_stats.num_pagein;
83 +        page_stats_diff.num_pageout=page_stats.num_pageout;
84 +        page_stats_diff.pages_pagein=page_stats.pages_pagein;
85 +        page_stats_diff.pages_pageout=page_stats.pages_pageout;
86 +        page_stats_diff.systime=page_stats.systime;
87 +
88 +        page_ptr=get_page_stats();
89 +        if(page_ptr==NULL){
90 +                return NULL;
91 +        }
92 +
93 +        page_stats_diff.num_pagein=page_stats.num_pagein-page_stats_diff.num_pagein;
94 +        page_stats_diff.num_pageout=page_stats.num_pageout-page_stats_diff.num_pageout;
95 +        page_stats_diff.pages_pagein=page_stats.pages_pagein-page_stats_diff.pages_pagein;
96 +        page_stats_diff.pages_pageout=page_stats.pages_pageout-page_stats_diff.pages_pageout;
97 +        page_stats_diff.systime=page_stats.systime-page_stats_diff.systime;
98 +        
99 +        return &page_stats_diff;
100   }

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