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Comparing projects/libstatgrab/src/libstatgrab/load_stats.c (file contents):
Revision 1.1 by pajs, Tue Feb 18 19:28:30 2003 UTC vs.
Revision 1.19 by tdb, Mon Oct 9 14:09:38 2006 UTC

# Line 1 | Line 1
1 < /*
2 < * i-scream central monitoring system
3 < * http://www.i-scream.org.uk
4 < * Copyright (C) 2000-2002 i-scream
1 > /*
2 > * i-scream libstatgrab
3 > * http://www.i-scream.org
4 > * Copyright (C) 2000-2004 i-scream
5   *
6 < * This program is free software; you can redistribute it and/or
7 < * modify it under the terms of the GNU General Public License
8 < * as published by the Free Software Foundation; either version 2
9 < * of the License, or (at your option) any later version.
6 > * This library is free software; you can redistribute it and/or
7 > * modify it under the terms of the GNU Lesser General Public
8 > * License as published by the Free Software Foundation; either
9 > * version 2.1 of the License, or (at your option) any later version.
10   *
11 < * This program is distributed in the hope that it will be useful,
11 > * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 < * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 < * GNU General Public License for more details.
13 > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 > * Lesser General Public License for more details.
15   *
16 < * You should have received a copy of the GNU General Public License
17 < * along with this program; if not, write to the Free Software
18 < * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
16 > * You should have received a copy of the GNU Lesser General Public
17 > * License along with this library; if not, write to the Free Software
18 > * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 > * 02111-1307 USA
20 > *
21 > * $Id$
22   */
23  
24   #ifdef HAVE_CONFIG_H
25   #include "config.h"
26   #endif
27  
25 #include "statgrab.h"
28   #include <stdio.h>
29   #include <stdlib.h>
30 + #include "statgrab.h"
31   #ifdef SOLARIS
32 + #ifdef HAVE_SYS_LOADAVG_H
33   #include <sys/loadavg.h>
34 + #else
35 + #include <kstat.h>
36   #endif
37 < #include "ukcprog.h"
37 > #endif
38 > #ifdef HPUX
39 > #include <sys/param.h>
40 > #include <sys/pstat.h>
41 > #endif
42  
43 < load_stat_t *get_load_stats(){
43 > sg_load_stats *sg_get_load_stats(){
44  
45 <        static load_stat_t load_stat;
45 > #if !defined(CYGWIN) && !defined(WIN32)
46 >        static sg_load_stats load_stat;
47  
48 + #ifdef HPUX
49 +        struct pst_dynamic pstat_dynamic;
50 + #else
51          double loadav[3];
38 #if !defined(HAVE_GETLOADAVG) && defined(LINUX)
39        FILE *f;
40        char *loadavg;
41        char *load_p;
52   #endif
53 + #endif /* not CYGWIN or WIN32 */
54  
55 < #if !defined(HAVE_GETLOADAVG) && defined(LINUX)
56 <        if ((f=fopen("/proc/loadavg", "r" ))==NULL) {
57 <                errf("Failed to open load averages (%m)");
55 > #ifdef CYGWIN
56 >        sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
57 >        return NULL;
58 > #elif defined(WIN32)
59 >        sg_set_error(SG_ERROR_UNSUPPORTED, "Win32");
60 >        return NULL;
61 > #else
62 >
63 > #if defined(SOLARIS) && !defined(HAVE_SYS_LOADAVG_H)
64 >
65 >        kstat_ctl_t *kc;        
66 >        kstat_t *ksp;
67 >        kstat_named_t *kn;
68 >
69 >        if ((kc = kstat_open()) == NULL) {
70 >                sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
71                  return NULL;
72          }
73  
74 <        if((fscanf(f,"%lf %lf %lf", &loadav[0], &loadav[1], &loadav[2])) != 3){
75 <                errf("Failed to read in sufficent loads");
74 >        if((ksp=kstat_lookup(kc, "unix", 0, "system_misc")) == NULL){
75 >                sg_set_error(SG_ERROR_KSTAT_LOOKUP, "unix,0,system_misc");
76 >                kstat_close(kc);
77                  return NULL;
78          }
79  
80 <        if ((fclose(f)) != 0) {
81 <                errf("Failed to close file (%m).");
80 >        if (kstat_read(kc, ksp, 0) == -1) {
81 >                sg_set_error(SG_ERROR_KSTAT_READ, NULL);
82 >                kstat_close(kc);
83                  return NULL;
84 <        }
84 >        }
85 >
86 >        kstat_close(kc);
87 >
88 >        if((kn=kstat_data_lookup(ksp, "avenrun_1min")) == NULL){
89 >                sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_1min");
90 >                return NULL;
91 >        }
92 >        load_stat.min1 = (double)kn->value.ui32 / (double)256;
93 >
94 >        if((kn=kstat_data_lookup(ksp, "avenrun_5min")) == NULL){
95 >                sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_5min");
96 >                return NULL;
97 >        }
98 >        load_stat.min5 = (double)kn->value.ui32 / (double)256;
99 >
100 >        if((kn=kstat_data_lookup(ksp, "avenrun_15min")) == NULL){
101 >                sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_15min");
102 >                return NULL;
103 >        }
104 >        load_stat.min15 = (double)kn->value.ui32 / (double)256;
105 > #elif defined(HPUX)
106 >        if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) {
107 >                sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic");
108 >                return NULL;
109 >        }
110 >
111 >        load_stat.min1=pstat_dynamic.psd_avg_1_min;
112 >        load_stat.min5=pstat_dynamic.psd_avg_5_min;
113 >        load_stat.min15=pstat_dynamic.psd_avg_15_min;
114   #else
115 <        if((getloadavg(loadav,3)) == -1){
61 <                errf("Failed to get load averages (%m)");
62 <        }
63 < #endif
115 >        getloadavg(loadav,3);
116  
117          load_stat.min1=loadav[0];
118          load_stat.min5=loadav[1];
119          load_stat.min15=loadav[2];
120 + #endif
121  
122          return &load_stat;
123 <
123 > #endif
124   }

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