mirror of
https://github.com/varun-r-mallya/sysprof.git
synced 2025-12-31 20:36:25 +00:00
c5172c58e6
Tue Dec 20 16:03:29 2005 Soeren Sandmann <sandmann@redhat.com> * TODO: Updates * sysprof-text.c (main): Make it try and load the module before complaining.
140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
/* Sysprof -- Sampling, systemwide CPU profiler
|
|
* Copyright 2005, Lorenzo Colitti
|
|
* Copyright 2005, Soren Sandmann
|
|
*
|
|
* 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 <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <signal.h>
|
|
#include <glib.h>
|
|
|
|
#include "stackstash.h"
|
|
#include "module/sysprof-module.h"
|
|
#include "profile.h"
|
|
#include "process.h"
|
|
#include "watch.h"
|
|
#include "signal-handler.h"
|
|
#include "collector.h"
|
|
|
|
typedef struct Application Application;
|
|
struct Application
|
|
{
|
|
Collector * collector;
|
|
char * outfile;
|
|
GMainLoop * main_loop;
|
|
};
|
|
|
|
void
|
|
dump_data (Application *app)
|
|
{
|
|
GError *err = NULL;
|
|
Profile *profile = collector_create_profile (app->collector);
|
|
|
|
profile_save (profile, app->outfile, &err);
|
|
|
|
if (err)
|
|
{
|
|
fprintf (stderr, "%s: %s\n", app->outfile, err->message);
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
void
|
|
signal_handler (int signo, gpointer data)
|
|
{
|
|
Application *app = data;
|
|
|
|
dump_data (app);
|
|
|
|
while (g_main_iteration (FALSE))
|
|
;
|
|
|
|
g_main_loop_quit (app->main_loop);
|
|
}
|
|
|
|
static void
|
|
no_module (void)
|
|
{
|
|
perror (SYSPROF_FILE);
|
|
fprintf (stderr,
|
|
"\n"
|
|
"Can't open " SYSPROF_FILE ". You need to insert "
|
|
"the sysprof kernel module. Run\n"
|
|
"\n"
|
|
" modprobe sysprof-module\n"
|
|
"\n"
|
|
"as root.\n");
|
|
}
|
|
|
|
static void
|
|
usage (const char *name)
|
|
{
|
|
fprintf (stderr,
|
|
"\n"
|
|
"Usage: \n"
|
|
" %s <outfile>\n"
|
|
"\n"
|
|
"On SIGTERM or SIGINT (Ctrl-C) the profile will be written to <outfile>\n"
|
|
"\n",
|
|
name);
|
|
}
|
|
|
|
int
|
|
main (int argc,
|
|
char *argv[])
|
|
{
|
|
gboolean quit;
|
|
Application *app = g_new0 (Application, 1);
|
|
|
|
app->collector = collector_new (NULL, NULL);
|
|
app->outfile = g_strdup (argv[1]);
|
|
app->main_loop = g_main_loop_new (NULL, 0);
|
|
|
|
/* FIXME: get the real error */
|
|
quit = FALSE;
|
|
|
|
if (!collector_start (app->collector, NULL))
|
|
{
|
|
no_module();
|
|
quit = TRUE;
|
|
}
|
|
|
|
if (argc < 2)
|
|
{
|
|
usage (argv[0]);
|
|
quit = TRUE;
|
|
}
|
|
|
|
if (quit)
|
|
return -1;
|
|
|
|
/* FIXME: check the errors */
|
|
signal_set_handler (SIGTERM, signal_handler, app, NULL);
|
|
signal_set_handler (SIGINT, signal_handler, app, NULL);
|
|
|
|
g_main_loop_run (app->main_loop);
|
|
|
|
signal_unset_handler (SIGTERM);
|
|
signal_unset_handler (SIGINT);
|
|
|
|
return 0;
|
|
}
|