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Decode RUSAGE_THREAD

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* xlat/usagewho.in: Add values for existing entities, add
RUSAGE_THREAD.
* tests/getrusage.c: Test decoding of RUSAGE_THREAD.
This commit is contained in:
Victor Krapivensky 2017-03-16 10:35:40 +03:00 committed by Dmitry V. Levin
parent b24254d34c
commit 9407d10e12
2 changed files with 29 additions and 9 deletions
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31
tests/getrusage.c
View File

@ -35,18 +35,23 @@
# include <stdint.h>
# include <sys/resource.h>
# include <unistd.h>
# include <errno.h>
# include "xlat.h"
# include "xlat/usagewho.h"
int
main(void)
invoke_print(int who, const char *who_str, struct rusage *usage)
{
struct rusage *const usage = tail_alloc(sizeof(struct rusage));
int rc = syscall(__NR_getrusage, RUSAGE_SELF, usage);
printf("getrusage(RUSAGE_SELF, {ru_utime={tv_sec=%jd, tv_usec=%jd}"
int rc = syscall(__NR_getrusage, who, usage);
int saved_errno = errno;
printf("getrusage(%s, {ru_utime={tv_sec=%jd, tv_usec=%jd}"
", ru_stime={tv_sec=%jd, tv_usec=%jd}, ru_maxrss=%lu"
", ru_ixrss=%lu, ru_idrss=%lu, ru_isrss=%lu, ru_minflt=%lu"
", ru_majflt=%lu, ru_nswap=%lu, ru_inblock=%lu"
", ru_oublock=%lu, ru_msgsnd=%lu, ru_msgrcv=%lu"
", ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}) = %d\n",
", ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}) = %s\n",
who_str,
(intmax_t) usage->ru_utime.tv_sec,
(intmax_t) usage->ru_utime.tv_usec,
(intmax_t) usage->ru_stime.tv_sec,
@ -55,7 +60,21 @@ main(void)
usage->ru_isrss, usage->ru_minflt, usage->ru_majflt,
usage->ru_nswap, usage->ru_inblock, usage->ru_oublock,
usage->ru_msgsnd, usage->ru_msgrcv, usage->ru_nsignals,
usage->ru_nvcsw, usage->ru_nivcsw, rc);
usage->ru_nvcsw, usage->ru_nivcsw, sprintrc(rc));
errno = saved_errno;
return rc;
}
int
main(void)
{
struct rusage *const usage = tail_alloc(sizeof(*usage));
if (invoke_print(ARG_STR(RUSAGE_SELF), usage)) {
perror_msg_and_fail("RUSAGE_SELF");
}
if (invoke_print(ARG_STR(RUSAGE_THREAD), usage) && errno != EINVAL) {
perror_msg_and_fail("RUSAGE_THREAD");
}
puts("+++ exited with 0 +++");
return 0;

7
xlat/usagewho.in
View File

@ -1,3 +1,4 @@
RUSAGE_SELF
RUSAGE_CHILDREN
RUSAGE_BOTH
RUSAGE_SELF 0
RUSAGE_CHILDREN (-1)
RUSAGE_BOTH (-2)
RUSAGE_THREAD 1