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include interrupt handling time into system time

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Change-Id: If2ed2d488b4040d288d712f0a244505adbcec6f5
Refs: #1221
This commit is contained in:
Tomoki Shirasawa
2019-09-20 12:49:23 +09:00
committed by Masamichi Takagi
parent ba80dd8650
commit f115bae8a7
11 changed files with 550 additions and 7 deletions
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56
test/issues/1221/C1221T01.c Normal file
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#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>
void tv_sub(struct timeval *t1, struct timeval *t2)
{
t2->tv_sec -= t1->tv_sec;
t2->tv_usec -= t1->tv_usec;
if (t2->tv_usec < 0) {
t2->tv_usec += 1000000;
t2->tv_sec--;
}
}
int main(int argc, char **argv)
{
struct timeval t1;
struct timeval t2;
struct rusage ru0;
struct rusage ru;
long xe;
long xs;
fprintf(stderr, "*** C1221T01 test start\n");
gettimeofday(&t1, NULL);
getrusage(RUSAGE_SELF, &ru0);
if (syscall(750, 1) == -1) {
fprintf(stderr, "*** C1221T01 FAIL no patched kernel\n");
exit(1);
}
getrusage(RUSAGE_SELF, &ru);
gettimeofday(&t2, NULL);
tv_sub(&t1, &t2);
tv_sub(&ru0.ru_utime, &ru.ru_utime);
tv_sub(&ru0.ru_stime, &ru.ru_stime);
fprintf(stderr, "etime=%d.%06d\n", (int)t2.tv_sec, (int)t2.tv_usec);
fprintf(stderr, "utime=%d.%06d\n", (int)ru.ru_utime.tv_sec,
(int)ru.ru_utime.tv_usec);
fprintf(stderr, "stime=%d.%06d\n", (int)ru.ru_stime.tv_sec,
(int)ru.ru_stime.tv_usec);
xe = t2.tv_sec * 1000000L + t2.tv_usec;
xs = ru.ru_stime.tv_sec * 1000000L + ru.ru_stime.tv_usec;
if (xs > (xe * 100 / 95)) {
fprintf(stderr, "*** C1221T01 FAIL\n");
}
else {
fprintf(stderr, "*** C1221T01 PASS\n");
}
exit(0);
}