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Message-Id: <20240610054129.1527389-3-usama.anjum@collabora.com>
Date: Mon, 10 Jun 2024 10:41:27 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Shuah Khan <shuah@...nel.org>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Muhammad Usama Anjum <usama.anjum@...labora.com>,
Tiezhu Yang <yangtiezhu@...ngson.cn>,
linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: kernel@...labora.com
Subject: [PATCH v2 2/4] kselftests: vdso: vdso_test_correctness: conform test to TAP output
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
.../selftests/vDSO/vdso_test_correctness.c | 146 +++++++++---------
1 file changed, 74 insertions(+), 72 deletions(-)
diff --git a/tools/testing/selftests/vDSO/vdso_test_correctness.c b/tools/testing/selftests/vDSO/vdso_test_correctness.c
index e691a3cf14911..688f83abb28eb 100644
--- a/tools/testing/selftests/vDSO/vdso_test_correctness.c
+++ b/tools/testing/selftests/vDSO/vdso_test_correctness.c
@@ -46,8 +46,6 @@ struct __kernel_timespec {
/* max length of lines in /proc/self/maps - anything longer is skipped here */
#define MAPS_LINE_LEN 128
-int nerrs = 0;
-
typedef int (*vgettime_t)(clockid_t, struct timespec *);
vgettime_t vdso_clock_gettime;
@@ -97,7 +95,7 @@ static void *vsyscall_getcpu(void)
fclose(maps);
if (!found) {
- printf("Warning: failed to find vsyscall getcpu\n");
+ ksft_print_msg("Warning: failed to find vsyscall getcpu\n");
return NULL;
}
return (void *) (0xffffffffff600800);
@@ -115,30 +113,29 @@ static void fill_function_pointers()
vdso = dlopen("linux-gate.so.1",
RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
if (!vdso) {
- printf("[WARN]\tfailed to find vDSO\n");
- return;
+ ksft_print_msg("failed to find vDSO\n");
+ ksft_finished();
}
vdso_getcpu = (getcpu_t)dlsym(vdso, name[4]);
if (!vdso_getcpu)
- printf("Warning: failed to find getcpu in vDSO\n");
+ ksft_print_msg("Warning: failed to find getcpu in vDSO\n");
vgetcpu = (getcpu_t) vsyscall_getcpu();
vdso_clock_gettime = (vgettime_t)dlsym(vdso, name[1]);
if (!vdso_clock_gettime)
- printf("Warning: failed to find clock_gettime in vDSO\n");
+ ksft_print_msg("Warning: failed to find clock_gettime in vDSO\n");
#if defined(VDSO_32BIT)
vdso_clock_gettime64 = (vgettime64_t)dlsym(vdso, name[5]);
if (!vdso_clock_gettime64)
- printf("Warning: failed to find clock_gettime64 in vDSO\n");
+ ksft_print_msg("Warning: failed to find clock_gettime64 in vDSO\n");
#endif
vdso_gettimeofday = (vgtod_t)dlsym(vdso, name[0]);
if (!vdso_gettimeofday)
- printf("Warning: failed to find gettimeofday in vDSO\n");
-
+ ksft_print_msg("Warning: failed to find gettimeofday in vDSO\n");
}
static long sys_getcpu(unsigned * cpu, unsigned * node,
@@ -164,7 +161,7 @@ static inline int sys_gettimeofday(struct timeval *tv, struct timezone *tz)
static void test_getcpu(void)
{
- printf("[RUN]\tTesting getcpu...\n");
+ ksft_print_msg("Testing getcpu...\n");
for (int cpu = 0; ; cpu++) {
cpu_set_t cpuset;
@@ -199,18 +196,16 @@ static void test_getcpu(void)
if (!ret_vsys && (cpu_vsys != cpu || node_vsys != node))
ok = false;
- printf("[%s]\tCPU %u:", ok ? "OK" : "FAIL", cpu);
+ ksft_print_msg("CPU %u:", ok ? "OK" : "FAIL", cpu);
if (!ret_sys)
- printf(" syscall: cpu %u, node %u", cpu_sys, node_sys);
+ ksft_print_msg(" syscall: cpu %u, node %u", cpu_sys, node_sys);
if (!ret_vdso)
- printf(" vdso: cpu %u, node %u", cpu_vdso, node_vdso);
+ ksft_print_msg(" vdso: cpu %u, node %u", cpu_vdso, node_vdso);
if (!ret_vsys)
- printf(" vsyscall: cpu %u, node %u", cpu_vsys,
- node_vsys);
- printf("\n");
+ ksft_print_msg(" vsyscall: cpu %u, node %u", cpu_vsys, node_vsys);
+ ksft_print_msg("\n");
- if (!ok)
- nerrs++;
+ ksft_test_result(ok, "Succeeded\n");
}
}
@@ -259,19 +254,20 @@ static void test_one_clock_gettime(int clock, const char *name)
struct timespec start, vdso, end;
int vdso_ret, end_ret;
- printf("[RUN]\tTesting clock_gettime for clock %s (%d)...\n", name, clock);
+ ksft_print_msg("Testing clock_gettime for clock %s (%d)...\n", name, clock);
if (sys_clock_gettime(clock, &start) < 0) {
if (errno == EINVAL) {
vdso_ret = vdso_clock_gettime(clock, &vdso);
if (vdso_ret == -EINVAL) {
- printf("[OK]\tNo such clock.\n");
+ ksft_test_result_skip("No such clock.\n");
} else {
- printf("[FAIL]\tNo such clock, but __vdso_clock_gettime returned %d\n", vdso_ret);
- nerrs++;
+ ksft_test_result_fail("No such clock, but __vdso_clock_gettime returned %d\n",
+ vdso_ret);
}
} else {
- printf("[WARN]\t clock_gettime(%d) syscall returned error %d\n", clock, errno);
+ ksft_test_result_skip("clock_gettime(%d) syscall returned error %d\n",
+ clock, errno);
}
return;
}
@@ -280,30 +276,32 @@ static void test_one_clock_gettime(int clock, const char *name)
end_ret = sys_clock_gettime(clock, &end);
if (vdso_ret != 0 || end_ret != 0) {
- printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n",
- vdso_ret, errno);
- nerrs++;
+ ksft_test_result_fail("vDSO returned %d, syscall errno=%d\n", vdso_ret, errno);
return;
}
- printf("\t%llu.%09ld %llu.%09ld %llu.%09ld\n",
- (unsigned long long)start.tv_sec, start.tv_nsec,
- (unsigned long long)vdso.tv_sec, vdso.tv_nsec,
- (unsigned long long)end.tv_sec, end.tv_nsec);
+ ksft_print_msg("\t%llu.%09ld %llu.%09ld %llu.%09ld\n",
+ (unsigned long long)start.tv_sec, start.tv_nsec,
+ (unsigned long long)vdso.tv_sec, vdso.tv_nsec,
+ (unsigned long long)end.tv_sec, end.tv_nsec);
if (!ts_leq(&start, &vdso) || !ts_leq(&vdso, &end)) {
- printf("[FAIL]\tTimes are out of sequence\n");
- nerrs++;
+ ksft_test_result_fail("Times are out of sequence\n");
return;
}
- printf("[OK]\tTest Passed.\n");
+ ksft_test_result_pass("Test Passed.\n");
}
static void test_clock_gettime(void)
{
if (!vdso_clock_gettime) {
- printf("[SKIP]\tNo vDSO, so skipping clock_gettime() tests\n");
+ for (int clock = 0; clock < ARRAY_SIZE(clocknames); clock++)
+ ksft_test_result_skip("No vDSO, so skipping %s\n", clocknames[clock]);
+
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests -1\n");
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests min\n");
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests max\n");
return;
}
@@ -321,19 +319,20 @@ static void test_one_clock_gettime64(int clock, const char *name)
struct __kernel_timespec start, vdso, end;
int vdso_ret, end_ret;
- printf("[RUN]\tTesting clock_gettime64 for clock %s (%d)...\n", name, clock);
+ ksft_print_msg("Testing clock_gettime64 for clock %s (%d)...\n", name, clock);
if (sys_clock_gettime64(clock, &start) < 0) {
if (errno == EINVAL) {
vdso_ret = vdso_clock_gettime64(clock, &vdso);
if (vdso_ret == -EINVAL) {
- printf("[OK]\tNo such clock.\n");
+ ksft_test_result_skip("No such clock.\n");
} else {
- printf("[FAIL]\tNo such clock, but __vdso_clock_gettime64 returned %d\n", vdso_ret);
- nerrs++;
+ ksft_test_result_fail("No such clock, but __vdso_clock_gettime64 returned %d\n",
+ vdso_ret);
}
} else {
- printf("[WARN]\t clock_gettime64(%d) syscall returned error %d\n", clock, errno);
+ ksft_test_result_skip("clock_gettime64(%d) syscall returned error %d\n",
+ clock, errno);
}
return;
}
@@ -342,30 +341,32 @@ static void test_one_clock_gettime64(int clock, const char *name)
end_ret = sys_clock_gettime64(clock, &end);
if (vdso_ret != 0 || end_ret != 0) {
- printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n",
- vdso_ret, errno);
- nerrs++;
+ ksft_test_result_fail("vDSO returned %d, syscall errno=%d\n", vdso_ret, errno);
return;
}
- printf("\t%llu.%09lld %llu.%09lld %llu.%09lld\n",
- (unsigned long long)start.tv_sec, start.tv_nsec,
- (unsigned long long)vdso.tv_sec, vdso.tv_nsec,
- (unsigned long long)end.tv_sec, end.tv_nsec);
+ ksft_print_msg("\t%llu.%09lld %llu.%09lld %llu.%09lld\n",
+ (unsigned long long)start.tv_sec, start.tv_nsec,
+ (unsigned long long)vdso.tv_sec, vdso.tv_nsec,
+ (unsigned long long)end.tv_sec, end.tv_nsec);
if (!ts64_leq(&start, &vdso) || !ts64_leq(&vdso, &end)) {
- printf("[FAIL]\tTimes are out of sequence\n");
- nerrs++;
+ ksft_test_result_fail("Times are out of sequence\n");
return;
}
- printf("[OK]\tTest Passed.\n");
+ ksft_test_result_pass("Test Passed.\n");
}
static void test_clock_gettime64(void)
{
if (!vdso_clock_gettime64) {
- printf("[SKIP]\tNo vDSO, so skipping clock_gettime64() tests\n");
+ for (int clock = 0; clock < ARRAY_SIZE(clocknames); clock++)
+ ksft_test_result_skip("No vDSO, so skipping %s\n", clocknames[clock]);
+
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests -1\n");
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests min\n");
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime() tests max\n");
return;
}
@@ -384,14 +385,18 @@ static void test_gettimeofday(void)
struct timezone sys_tz, vdso_tz;
int vdso_ret, end_ret;
- if (!vdso_gettimeofday)
+ if (!vdso_gettimeofday) {
+ ksft_test_result_skip("No vDSO, so skipping clock_gettime64() tests\n");
return;
+ }
- printf("[RUN]\tTesting gettimeofday...\n");
+ ksft_print_msg("Testing gettimeofday...\n");
+
+ /* Make sure that passing NULL for tz doesn't crash. */
+ vdso_gettimeofday(&vdso, NULL);
if (sys_gettimeofday(&start, &sys_tz) < 0) {
- printf("[FAIL]\tsys_gettimeofday failed (%d)\n", errno);
- nerrs++;
+ ksft_test_result_fail("sys_gettimeofday failed (%d)\n", errno);
return;
}
@@ -399,39 +404,36 @@ static void test_gettimeofday(void)
end_ret = sys_gettimeofday(&end, NULL);
if (vdso_ret != 0 || end_ret != 0) {
- printf("[FAIL]\tvDSO returned %d, syscall errno=%d\n",
- vdso_ret, errno);
- nerrs++;
+ ksft_test_result_fail("vDSO returned %d, syscall errno=%d\n", vdso_ret, errno);
return;
}
- printf("\t%llu.%06ld %llu.%06ld %llu.%06ld\n",
- (unsigned long long)start.tv_sec, start.tv_usec,
- (unsigned long long)vdso.tv_sec, vdso.tv_usec,
- (unsigned long long)end.tv_sec, end.tv_usec);
+ ksft_print_msg("\t%llu.%06ld %llu.%06ld %llu.%06ld\n",
+ (unsigned long long)start.tv_sec, start.tv_usec,
+ (unsigned long long)vdso.tv_sec, vdso.tv_usec,
+ (unsigned long long)end.tv_sec, end.tv_usec);
if (!tv_leq(&start, &vdso) || !tv_leq(&vdso, &end)) {
- printf("[FAIL]\tTimes are out of sequence\n");
- nerrs++;
+ ksft_test_result_fail("Times are out of sequence\n");
+ return;
}
if (sys_tz.tz_minuteswest == vdso_tz.tz_minuteswest &&
sys_tz.tz_dsttime == vdso_tz.tz_dsttime) {
- printf("[OK]\ttimezones match: minuteswest=%d, dsttime=%d\n",
- sys_tz.tz_minuteswest, sys_tz.tz_dsttime);
+ ksft_test_result_pass("timezones match: minuteswest=%d, dsttime=%d\n",
+ sys_tz.tz_minuteswest, sys_tz.tz_dsttime);
} else {
- printf("[FAIL]\ttimezones do not match\n");
- nerrs++;
+ ksft_test_result_fail("timezones do not match\n");
}
-
- /* And make sure that passing NULL for tz doesn't crash. */
- vdso_gettimeofday(&vdso, NULL);
}
int main(int argc, char **argv)
{
name = (const char **)&names[VDSO_NAMES];
+ ksft_print_header();
+ ksft_set_plan(7 + ARRAY_SIZE(clocknames) * 2 + sysconf(_SC_NPROCESSORS_ONLN));
+
fill_function_pointers();
test_clock_gettime();
@@ -444,5 +446,5 @@ int main(int argc, char **argv)
*/
test_getcpu();
- return nerrs ? 1 : 0;
+ ksft_finished();
}
--
2.39.2
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