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system/critmon: add critmon program for critmon once

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Change-Id: Ifc1f384ad5321d23030aaa5e424627f5d8ae0484
Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2021-03-31 23:30:53 +08:00 committed by David Sidrane
parent b15e78b9fa
commit 696c6f412e
2 changed files with 97 additions and 78 deletions
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2
system/critmon/Makefile
View File

@ -22,7 +22,7 @@ include $(APPDIR)/Make.defs
# Stack Monitor Application # Stack Monitor Application
PROGNAME = critmon_start critmon_stop PROGNAME = critmon critmon_start critmon_stop
PRIORITY = $(CONFIG_SYSTEM_CRITMONITOR_PRIORITY) PRIORITY = $(CONFIG_SYSTEM_CRITMONITOR_PRIORITY)
STACKSIZE = $(CONFIG_SYSTEM_CRITMONITOR_STACKSIZE) STACKSIZE = $(CONFIG_SYSTEM_CRITMONITOR_STACKSIZE)
MODULE = $(CONFIG_SYSTEM_CRITMONITOR) MODULE = $(CONFIG_SYSTEM_CRITMONITOR)

173
system/critmon/critmon.c
View File

@ -377,16 +377,100 @@ errout_with_filepath:
free(filepath); free(filepath);
} }
/****************************************************************************
* Name: critmon_list_once
****************************************************************************/
static int critmon_list_once(void)
{
int exitcode = EXIT_SUCCESS;
int errcount = 0;
DIR *dirp;
int ret;
/* Output a Header */
#if CONFIG_TASK_NAME_SIZE > 0
printf("PRE-EMPTION CSECTION PID DESCRIPTION\n");
#else
printf("PRE-EMPTION CSECTION PID\n");
#endif
printf("MAX DISABLE MAX TIME\n");
/* Should global usage first */
critmon_global_crit();
/* Open the top-level procfs directory */
dirp = opendir(CONFIG_SYSTEM_CRITMONITOR_MOUNTPOINT);
if (dirp == NULL)
{
/* Failed to open the directory */
fprintf(stderr, "Csection Monitor: Failed to open directory: %s\n",
CONFIG_SYSTEM_CRITMONITOR_MOUNTPOINT);
if (++errcount > 100)
{
fprintf(stderr, "Csection Monitor: Too many errors ... exiting\n");
return EXIT_FAILURE;
}
}
/* Read each directory entry */
for (; ; )
{
FAR struct dirent *entryp = readdir(dirp);
if (entryp == NULL)
{
/* Finished with this directory */
break;
}
/* Task/thread entries in the /proc directory will all be (1)
* directories with (2) all numeric names.
*/
if (DIRENT_ISDIRECTORY(entryp->d_type) &&
critmon_check_name(entryp->d_name))
{
/* Looks good -- process the directory */
ret = critmon_process_directory(entryp);
if (ret < 0)
{
/* Failed to process the thread directory */
fprintf(stderr, "Csection Monitor: "
"Failed to process sub-directory: %s\n",
entryp->d_name);
if (++errcount > 100)
{
fprintf(stderr, "Csection Monitor: "
"Too many errors ... exiting\n");
exitcode = EXIT_FAILURE;
break;
}
}
}
}
closedir(dirp);
fputc('\n', stdout);
return exitcode;
}
/**************************************************************************** /****************************************************************************
* Name: critmon_daemon * Name: critmon_daemon
****************************************************************************/ ****************************************************************************/
static int critmon_daemon(int argc, char **argv) static int critmon_daemon(int argc, char **argv)
{ {
DIR *dirp;
int exitcode = EXIT_SUCCESS; int exitcode = EXIT_SUCCESS;
int errcount = 0;
int ret;
printf("Csection Monitor: Running: %d\n", g_critmon.pid); printf("Csection Monitor: Running: %d\n", g_critmon.pid);
@ -398,81 +482,11 @@ static int critmon_daemon(int argc, char **argv)
sleep(CONFIG_SYSTEM_CRITMONITOR_INTERVAL); sleep(CONFIG_SYSTEM_CRITMONITOR_INTERVAL);
/* Output a Header */ exitcode = critmon_list_once();
if (exitcode != EXIT_SUCCESS)
#if CONFIG_TASK_NAME_SIZE > 0
printf("PRE-EMPTION CSECTION PID DESCRIPTION\n");
#else
printf("PRE-EMPTION CSECTION PID\n");
#endif
printf("MAX DISABLE MAX TIME\n");
/* Should global usage first */
critmon_global_crit();
/* Open the top-level procfs directory */
dirp = opendir(CONFIG_SYSTEM_CRITMONITOR_MOUNTPOINT);
if (dirp == NULL)
{ {
/* Failed to open the directory */ break;
fprintf(stderr, "Csection Monitor: Failed to open directory: %s\n",
CONFIG_SYSTEM_CRITMONITOR_MOUNTPOINT);
if (++errcount > 100)
{
fprintf(stderr,
"Csection Monitor: Too many errors ... exiting\n");
exitcode = EXIT_FAILURE;
break;
}
} }
/* Read each directory entry */
for (; ; )
{
FAR struct dirent *entryp = readdir(dirp);
if (entryp == NULL)
{
/* Finished with this directory */
break;
}
/* Task/thread entries in the /proc directory will all be (1)
* directories with (2) all numeric names.
*/
if (DIRENT_ISDIRECTORY(entryp->d_type) &&
critmon_check_name(entryp->d_name))
{
/* Looks good -- process the directory */
ret = critmon_process_directory(entryp);
if (ret < 0)
{
/* Failed to process the thread directory */
fprintf(stderr, "Csection Monitor: "
"Failed to process sub-directory: %s\n",
entryp->d_name);
if (++errcount > 100)
{
fprintf(stderr, "Csection Monitor: "
"Too many errors ... exiting\n");
exitcode = EXIT_FAILURE;
break;
}
}
}
}
closedir(dirp);
fputc('\n', stdout);
} }
/* Stopped */ /* Stopped */
@ -488,7 +502,7 @@ static int critmon_daemon(int argc, char **argv)
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
int main(int argc, char **argv) int critmon_start_main(int argc, char **argv)
{ {
/* Has the monitor already started? */ /* Has the monitor already started? */
@ -549,4 +563,9 @@ int critmon_stop_main(int argc, char **argv)
return 0; return 0;
} }
int critmon_main(int argc, char **argv)
{
return critmon_list_once();
}
#endif /* CONFIG_SYSTEM_CRITMONITOR */ #endif /* CONFIG_SYSTEM_CRITMONITOR */