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Diffstat (limited to 'tools/testing/selftests/timers/nsleep-lat.c')
-rw-r--r--tools/testing/selftests/timers/nsleep-lat.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/tools/testing/selftests/timers/nsleep-lat.c b/tools/testing/selftests/timers/nsleep-lat.c
index eb3e79ed7b4a..de23dc0c9f97 100644
--- a/tools/testing/selftests/timers/nsleep-lat.c
+++ b/tools/testing/selftests/timers/nsleep-lat.c
@@ -24,26 +24,13 @@
#include <sys/timex.h>
#include <string.h>
#include <signal.h>
+#include <include/vdso/time64.h>
#include "../kselftest.h"
-#define NSEC_PER_SEC 1000000000ULL
-
#define UNRESONABLE_LATENCY 40000000 /* 40ms in nanosecs */
-
-#define CLOCK_REALTIME 0
-#define CLOCK_MONOTONIC 1
-#define CLOCK_PROCESS_CPUTIME_ID 2
-#define CLOCK_THREAD_CPUTIME_ID 3
-#define CLOCK_MONOTONIC_RAW 4
-#define CLOCK_REALTIME_COARSE 5
-#define CLOCK_MONOTONIC_COARSE 6
-#define CLOCK_BOOTTIME 7
-#define CLOCK_REALTIME_ALARM 8
-#define CLOCK_BOOTTIME_ALARM 9
+/* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */
#define CLOCK_HWSPECIFIC 10
-#define CLOCK_TAI 11
-#define NR_CLOCKIDS 12
#define UNSUPPORTED 0xf00f
@@ -118,7 +105,7 @@ int nanosleep_lat_test(int clockid, long long ns)
clock_gettime(clockid, &end);
if (((timespec_sub(start, end)/count)-ns) > UNRESONABLE_LATENCY) {
- printf("Large rel latency: %lld ns :", (timespec_sub(start, end)/count)-ns);
+ ksft_print_msg("Large rel latency: %lld ns :", (timespec_sub(start, end)/count)-ns);
return -1;
}
@@ -132,21 +119,25 @@ int nanosleep_lat_test(int clockid, long long ns)
}
if (latency/count > UNRESONABLE_LATENCY) {
- printf("Large abs latency: %lld ns :", latency/count);
+ ksft_print_msg("Large abs latency: %lld ns :", latency/count);
return -1;
}
return 0;
}
-
+#define SKIPPED_CLOCK_COUNT 3
int main(int argc, char **argv)
{
long long length;
int clockid, ret;
+ int max_clocks = CLOCK_TAI + 1;
+
+ ksft_print_header();
+ ksft_set_plan(max_clocks - CLOCK_REALTIME - SKIPPED_CLOCK_COUNT);
- for (clockid = CLOCK_REALTIME; clockid < NR_CLOCKIDS; clockid++) {
+ for (clockid = CLOCK_REALTIME; clockid < max_clocks; clockid++) {
/* Skip cputime clockids since nanosleep won't increment cputime */
if (clockid == CLOCK_PROCESS_CPUTIME_ID ||
@@ -154,9 +145,6 @@ int main(int argc, char **argv)
clockid == CLOCK_HWSPECIFIC)
continue;
- printf("nsleep latency %-26s ", clockstring(clockid));
- fflush(stdout);
-
length = 10;
while (length <= (NSEC_PER_SEC * 10)) {
ret = nanosleep_lat_test(clockid, length);
@@ -167,14 +155,12 @@ int main(int argc, char **argv)
}
if (ret == UNSUPPORTED) {
- printf("[UNSUPPORTED]\n");
- continue;
+ ksft_test_result_skip("%s\n", clockstring(clockid));
+ } else {
+ ksft_test_result(ret >= 0, "%s\n",
+ clockstring(clockid));
}
- if (ret < 0) {
- printf("[FAILED]\n");
- return ksft_exit_fail();
- }
- printf("[OK]\n");
}
- return ksft_exit_pass();
+
+ ksft_finished();
}