1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#
# Description: Fix for FTBFS on Debian GNU/Hurd
# Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532698
# From: Barry deFreese <bdefreese@debian.org>
#
--- and-1.2.2.orig/and-GNU.c
+++ and-1.2.2/and-GNU.c
@@ -0,0 +1,136 @@
+/*
+
+ AND auto nice daemon - renice programs according to their CPU usage.
+ Copyright (C) 1999-2003 Patrick Schemitz <schemitz@users.sourceforge.net>
+ http://and.sourceforge.net/
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <unistd.h>
+#include <string.h>
+#include <dirent.h>
+#include <ctype.h>
+#include <syslog.h>
+#include <sys/stat.h>
+#include <signal.h>
+#include <sys/param.h> /* kernel interrupt frequency: HZ */
+
+
+#include "and.h"
+
+
+/*
+
+ AND -- auto-nice daemon/GNU version.
+
+ GNU-specific AND version. Makes excessive use of the GNU
+ /proc filesystem and is not portable.
+
+ 1999-2003 Patrick Schemitz, <schemitz@users.sourceforge.net>
+ http://and.sourceforge.net/
+
+*/
+
+
+static DIR *linux_procdir = 0;
+
+
+static struct and_procent linux_proc;
+
+
+int linux_readproc (char *fn)
+{
+ /* Scan /proc/<pid>/stat file. Format described in proc(5).
+ l1: pid comm state ppid
+ l2: pgrp session tty tpgid
+ l3: flags minflt cminflt majflt cmajflt
+ l4: utime stime cutime cstime
+ l5: counter priority
+ */
+ FILE* f;
+ int i;
+ long li;
+ long unsigned u, ujf, sjf;
+ char state;
+ char buffer [1024];
+ if (!(f = fopen(fn,"rt"))) return 0;
+ fscanf(f,"%d %1023s %c %d",&(linux_proc.pid),buffer,&state,&(linux_proc.ppid));
+ fscanf(f,"%d %d %d %d",&i,&i,&i,&i);
+ fscanf(f,"%lu %lu %lu %lu %lu",&u,&u,&u,&u,&u);
+ fscanf(f,"%lu %lu %ld %ld",&ujf,&sjf,&li,&li);
+ fscanf(f,"%ld %d",&li,&(linux_proc.nice));
+ i = feof(f);
+ fclose(f);
+ if (i) return 0;
+ if (state == 'Z') return 0; /* ignore zombies */
+ ujf += sjf; /* take into account both usr and sys time */
+ ujf /= 60; /* convert jiffies to seconds */
+ linux_proc.utime = ujf > INT_MAX ? INT_MAX: (int) ujf;
+ buffer[strlen(buffer)-1] = 0; /* remove () around command name */
+ strncpy(linux_proc.command,&buffer[1],1023);
+ linux_proc.command[1023] = 0;
+ and_printf(3, "GNU: process %s pid: %d ppid: %d\n",
+ linux_proc.command, linux_proc.pid, linux_proc.ppid);
+ return 1;
+}
+
+
+struct and_procent *linux_getnext ()
+{
+ char name [1024];
+ struct dirent *entry;
+ struct stat dirstat;
+ if (!linux_procdir) return NULL;
+ while ((entry = readdir(linux_procdir)) != NULL) { /* omit . .. apm bus... */
+ if (isdigit(entry->d_name[0])) break;
+ }
+ if (!entry) return NULL;
+ /* stat() /proc/<pid> directory to get uid/gid */
+ snprintf(name, 1024, "/proc/%s",entry->d_name);
+ if (stat(name,&dirstat)) return linux_getnext();
+ /* read the job's stat "file" to get command, nice level, etc */
+ snprintf(name, 1024, "/proc/%s/stat",entry->d_name);
+ if (!linux_readproc(name)) return linux_getnext();
+ linux_proc.uid = dirstat.st_uid;
+ linux_proc.gid = dirstat.st_gid;
+ return &linux_proc;
+}
+
+
+struct and_procent *linux_getfirst ()
+{
+ if (linux_procdir) {
+ rewinddir(linux_procdir);
+ } else {
+ linux_procdir = opendir("/proc");
+ if (!linux_procdir) {
+ and_printf(0,"cannot open /proc, aborting.\n");
+ abort();
+ }
+ }
+ return linux_getnext();
+}
+
+
+int main (int argc, char** argv)
+{
+ and_setprocreader(&linux_getfirst,&linux_getnext);
+ return and_main(argc,argv);
+}
|
