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libcsupport/getrusage: Return task and idle time using getrusage

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Close #5062
This commit is contained in:
Chris Johns
2024-07-18 00:11:09 +00:00
committed by Amar Takhar
parent 174b69afd6
commit cc034e7d2f
2 changed files with 95 additions and 31 deletions
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testsuites/psxtests/psxgetrusage01/init.c
+20 -7
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@@ -30,8 +30,11 @@
#include "config.h"
#endif
#include <sys/time.h>
#define _GNU_SOURCE 1
#include <sys/resource.h>
#undef _GNU_SOURCE
#include <sys/time.h>
#include <errno.h>
#include <tmacros.h>
@@ -79,8 +82,8 @@ rtems_task Init(
puts( "Consume CPU long enough to have non-zero usage" );
rtems_test_spin_for_ticks( 5 );
puts( "getrusage( RUSAGE_SELF, &usage ) -- EINVAL" );
puts( "getrusage( RUSAGE_SELF, &usage ) -- 0" );
sc = getrusage( RUSAGE_SELF, &usage );
rtems_test_assert( sc == 0 );
@@ -88,10 +91,20 @@ rtems_task Init(
rtems_test_assert( usage.ru_utime.tv_sec == 0 );
rtems_test_assert( usage.ru_utime.tv_usec != 0 );
/* System and user time is the same */
rtems_test_assert( usage.ru_utime.tv_sec == usage.ru_stime.tv_sec );
rtems_test_assert( usage.ru_utime.tv_usec == usage.ru_stime.tv_usec );
/* System is the IDLE time and user is the total of task time */
rtems_test_assert( usage.ru_utime.tv_sec != usage.ru_stime.tv_sec );
rtems_test_assert( usage.ru_utime.tv_usec != usage.ru_stime.tv_usec );
puts( "getrusage( RUSAGE_THREAD, &usage ) -- 0" );
sc = getrusage( RUSAGE_THREAD, &usage );
rtems_test_assert( sc == 0 );
/* System is the 0 and user is the task time */
rtems_test_assert( usage.ru_utime.tv_sec != 0 ||
usage.ru_utime.tv_usec != 0 );
rtems_test_assert( usage.ru_stime.tv_sec == 0 &&
usage.ru_stime.tv_usec == 0 );
TEST_END();
rtems_test_exit(0);