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root/i-scream/projects/libstatgrab/src/libstatgrab/load_stats.c
Revision: 1.17
Committed: Sun Nov 7 12:29:20 2004 UTC (19 years, 6 months ago) by ats
Content type: text/plain
Branch: MAIN
CVS Tags: LIBSTATGRAB_0_12, LIBSTATGRAB_0_11_1, LIBSTATGRAB_0_11
Changes since 1.16: +3 -2 lines
Log Message:
loadav is only needed on non-HP-UX.

File Contents

# User Rev Content
1 tdb 1.8 /*
2 tdb 1.13 * i-scream libstatgrab
3 tdb 1.4 * http://www.i-scream.org
4 tdb 1.8 * Copyright (C) 2000-2004 i-scream
5 pajs 1.1 *
6 tdb 1.8 * 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 pajs 1.1 *
11 tdb 1.8 * This library is distributed in the hope that it will be useful,
12 pajs 1.1 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 tdb 1.8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14     * Lesser General Public License for more details.
15 pajs 1.1 *
16 tdb 1.8 * 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 tdb 1.9 *
21 ats 1.17 * $Id: load_stats.c,v 1.16 2004/11/01 18:30:17 tdb Exp $
22 pajs 1.1 */
23    
24     #ifdef HAVE_CONFIG_H
25     #include "config.h"
26     #endif
27    
28     #include <stdio.h>
29     #include <stdlib.h>
30 tdb 1.3 #include "statgrab.h"
31 pajs 1.1 #ifdef SOLARIS
32 pajs 1.10 #ifdef HAVE_SYS_LOADAVG_H
33 pajs 1.1 #include <sys/loadavg.h>
34 pajs 1.10 #else
35     #include <kstat.h>
36     #endif
37 pajs 1.1 #endif
38 tdb 1.16 #ifdef HPUX
39     #include <sys/param.h>
40     #include <sys/pstat.h>
41     #endif
42 pajs 1.1
43 ats 1.12 sg_load_stats *sg_get_load_stats(){
44 pajs 1.1
45 ats 1.12 static sg_load_stats load_stat;
46 pajs 1.1
47 tdb 1.16 #ifdef HPUX
48     struct pst_dynamic pstat_dynamic;
49 ats 1.17 #else
50     double loadav[3];
51 tdb 1.16 #endif
52 ats 1.6
53     #ifdef CYGWIN
54 tdb 1.15 sg_set_error(SG_ERROR_UNSUPPORTED, "Cygwin");
55 ats 1.6 return NULL;
56     #else
57 tdb 1.5
58 pajs 1.10 #if defined(SOLARIS) && !defined(HAVE_SYS_LOADAVG_H)
59 pajs 1.11
60     kstat_ctl_t *kc;
61 tdb 1.14 kstat_t *ksp;
62     kstat_named_t *kn;
63 pajs 1.10
64     if ((kc = kstat_open()) == NULL) {
65 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_OPEN, NULL);
66 tdb 1.14 return NULL;
67     }
68 pajs 1.10
69 pajs 1.11 if((ksp=kstat_lookup(kc, "unix", 0, "system_misc")) == NULL){
70 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_LOOKUP, "unix,0,system_misc");
71 tdb 1.14 return NULL;
72     }
73 pajs 1.10
74 tdb 1.14 if (kstat_read(kc, ksp, 0) == -1) {
75 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_READ, NULL);
76 tdb 1.14 return NULL;
77     }
78 pajs 1.10
79     if((kn=kstat_data_lookup(ksp, "avenrun_1min")) == NULL){
80 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_1min");
81 tdb 1.14 return NULL;
82     }
83 pajs 1.11 load_stat.min1 = (double)kn->value.ui32 / (double)256;
84 pajs 1.10
85 tdb 1.14 if((kn=kstat_data_lookup(ksp, "avenrun_5min")) == NULL){
86 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_5min");
87 tdb 1.14 return NULL;
88     }
89     load_stat.min5 = (double)kn->value.ui32 / (double)256;
90    
91     if((kn=kstat_data_lookup(ksp, "avenrun_15min")) == NULL){
92 tdb 1.15 sg_set_error(SG_ERROR_KSTAT_DATA_LOOKUP, "avenrun_15min");
93 tdb 1.14 return NULL;
94     }
95     load_stat.min15 = (double)kn->value.ui32 / (double)256;
96 tdb 1.16 #elif defined(HPUX)
97     if (pstat_getdynamic(&pstat_dynamic, sizeof(pstat_dynamic), 1, 0) == -1) {
98     sg_set_error_with_errno(SG_ERROR_PSTAT, "pstat_dynamic");
99     return NULL;
100     }
101    
102     load_stat.min1=pstat_dynamic.psd_avg_1_min;
103     load_stat.min5=pstat_dynamic.psd_avg_5_min;
104     load_stat.min15=pstat_dynamic.psd_avg_15_min;
105 pajs 1.10 #else
106 ats 1.6 getloadavg(loadav,3);
107 pajs 1.1
108     load_stat.min1=loadav[0];
109     load_stat.min5=loadav[1];
110     load_stat.min15=loadav[2];
111 pajs 1.10 #endif
112 pajs 1.1
113     return &load_stat;
114 ats 1.6 #endif
115 pajs 1.1 }