diff options
Diffstat (limited to 'tools/testing/selftests/timers')
21 files changed, 198 insertions, 59 deletions
diff --git a/tools/testing/selftests/timers/adjtick.c b/tools/testing/selftests/timers/adjtick.c index 777d9494b683..5b3ef708d6e9 100644 --- a/tools/testing/selftests/timers/adjtick.c +++ b/tools/testing/selftests/timers/adjtick.c @@ -24,7 +24,7 @@ #include <time.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define MILLION 1000000 diff --git a/tools/testing/selftests/timers/alarmtimer-suspend.c b/tools/testing/selftests/timers/alarmtimer-suspend.c index a9ef76ea6051..aa66c805f6a4 100644 --- a/tools/testing/selftests/timers/alarmtimer-suspend.c +++ b/tools/testing/selftests/timers/alarmtimer-suspend.c @@ -30,7 +30,7 @@ #include <pthread.h> #include <include/vdso/time64.h> #include <errno.h> -#include "../kselftest.h" +#include "kselftest.h" #define UNREASONABLE_LAT (NSEC_PER_SEC * 5) /* hopefully we resume in 5 secs */ diff --git a/tools/testing/selftests/timers/change_skew.c b/tools/testing/selftests/timers/change_skew.c index 18e794a46c23..387fda10fcd8 100644 --- a/tools/testing/selftests/timers/change_skew.c +++ b/tools/testing/selftests/timers/change_skew.c @@ -28,7 +28,7 @@ #include <sys/time.h> #include <sys/timex.h> #include <time.h> -#include "../kselftest.h" +#include "kselftest.h" int change_skew_test(int ppm) { diff --git a/tools/testing/selftests/timers/clocksource-switch.c b/tools/testing/selftests/timers/clocksource-switch.c index 83faa4e354e3..db62a764c29e 100644 --- a/tools/testing/selftests/timers/clocksource-switch.c +++ b/tools/testing/selftests/timers/clocksource-switch.c @@ -34,7 +34,7 @@ #include <sys/wait.h> #include <time.h> #include <unistd.h> -#include "../kselftest.h" +#include "kselftest.h" int get_clocksources(char list[][30]) diff --git a/tools/testing/selftests/timers/freq-step.c b/tools/testing/selftests/timers/freq-step.c index 73b636f89fdc..cfa46dafe3e8 100644 --- a/tools/testing/selftests/timers/freq-step.c +++ b/tools/testing/selftests/timers/freq-step.c @@ -15,7 +15,7 @@ #include <time.h> #include <unistd.h> -#include "../kselftest.h" +#include "kselftest.h" #define SAMPLES 100 #define SAMPLE_READINGS 10 diff --git a/tools/testing/selftests/timers/inconsistency-check.c b/tools/testing/selftests/timers/inconsistency-check.c index 9d1573769d55..e53e63e18683 100644 --- a/tools/testing/selftests/timers/inconsistency-check.c +++ b/tools/testing/selftests/timers/inconsistency-check.c @@ -29,7 +29,7 @@ #include <string.h> #include <signal.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" /* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 diff --git a/tools/testing/selftests/timers/leap-a-day.c b/tools/testing/selftests/timers/leap-a-day.c index 04004a7c0934..3568cfb3e815 100644 --- a/tools/testing/selftests/timers/leap-a-day.c +++ b/tools/testing/selftests/timers/leap-a-day.c @@ -49,7 +49,7 @@ #include <signal.h> #include <unistd.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define CLOCK_TAI 11 diff --git a/tools/testing/selftests/timers/leapcrash.c b/tools/testing/selftests/timers/leapcrash.c index 8fd065eec904..c2d3bccb52f2 100644 --- a/tools/testing/selftests/timers/leapcrash.c +++ b/tools/testing/selftests/timers/leapcrash.c @@ -22,7 +22,7 @@ #include <sys/timex.h> #include <string.h> #include <signal.h> -#include "../kselftest.h" +#include "kselftest.h" /* clear NTP time_status & time_state */ int clear_time_state(void) diff --git a/tools/testing/selftests/timers/mqueue-lat.c b/tools/testing/selftests/timers/mqueue-lat.c index 63de2334a291..c0d9368e4fca 100644 --- a/tools/testing/selftests/timers/mqueue-lat.c +++ b/tools/testing/selftests/timers/mqueue-lat.c @@ -30,7 +30,7 @@ #include <errno.h> #include <mqueue.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define TARGET_TIMEOUT 100000000 /* 100ms in nanoseconds */ diff --git a/tools/testing/selftests/timers/nanosleep.c b/tools/testing/selftests/timers/nanosleep.c index 252c6308c569..a054680b3372 100644 --- a/tools/testing/selftests/timers/nanosleep.c +++ b/tools/testing/selftests/timers/nanosleep.c @@ -28,7 +28,7 @@ #include <string.h> #include <signal.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" /* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 @@ -116,6 +116,56 @@ int nanosleep_test(int clockid, long long ns) return 0; } +static void dummy_event_handler(int val) +{ + /* No action needed */ +} + +static int nanosleep_test_remaining(int clockid) +{ + struct timespec rqtp = {}, rmtp = {}; + struct itimerspec itimer = {}; + struct sigaction sa = {}; + timer_t timer; + int ret; + + sa.sa_handler = dummy_event_handler; + ret = sigaction(SIGALRM, &sa, NULL); + if (ret) + return -1; + + ret = timer_create(clockid, NULL, &timer); + if (ret) + return -1; + + itimer.it_value.tv_nsec = NSEC_PER_SEC / 4; + ret = timer_settime(timer, 0, &itimer, NULL); + if (ret) + return -1; + + rqtp.tv_nsec = NSEC_PER_SEC / 2; + ret = clock_nanosleep(clockid, 0, &rqtp, &rmtp); + if (ret != EINTR) + return -1; + + ret = timer_delete(timer); + if (ret) + return -1; + + sa.sa_handler = SIG_DFL; + ret = sigaction(SIGALRM, &sa, NULL); + if (ret) + return -1; + + if (!in_order((struct timespec) {}, rmtp)) + return -1; + + if (!in_order(rmtp, rqtp)) + return -1; + + return 0; +} + int main(int argc, char **argv) { long long length; @@ -150,6 +200,11 @@ int main(int argc, char **argv) } length *= 100; } + ret = nanosleep_test_remaining(clockid); + if (ret < 0) { + ksft_test_result_fail("%-31s\n", clockstring(clockid)); + ksft_exit_fail(); + } ksft_test_result_pass("%-31s\n", clockstring(clockid)); next: ret = 0; diff --git a/tools/testing/selftests/timers/nsleep-lat.c b/tools/testing/selftests/timers/nsleep-lat.c index de23dc0c9f97..a7ba1eb1e21b 100644 --- a/tools/testing/selftests/timers/nsleep-lat.c +++ b/tools/testing/selftests/timers/nsleep-lat.c @@ -25,7 +25,7 @@ #include <string.h> #include <signal.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define UNRESONABLE_LATENCY 40000000 /* 40ms in nanosecs */ diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 9814b3a1c77d..2f3bac9fc6e8 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -7,6 +7,7 @@ * Kernel loop code stolen from Steven Rostedt <srostedt@redhat.com> */ #define _GNU_SOURCE +#include <sys/prctl.h> #include <sys/time.h> #include <sys/types.h> #include <stdio.h> @@ -17,8 +18,9 @@ #include <time.h> #include <include/vdso/time64.h> #include <pthread.h> +#include <stdbool.h> -#include "../kselftest.h" +#include "kselftest.h" #define DELAY 2 @@ -76,19 +78,25 @@ static void sig_handler(int nr) done = 1; } +static inline int64_t calcdiff_ns(struct timespec t1, struct timespec t2) +{ + int64_t diff; + + diff = NSEC_PER_SEC * (int64_t)((int) t1.tv_sec - (int) t2.tv_sec); + diff += ((int) t1.tv_nsec - (int) t2.tv_nsec); + return diff; +} + /* * Check the expected timer expiration matches the GTOD elapsed delta since * we armed the timer. Keep a 0.5 sec error margin due to various jitter. */ -static int check_diff(struct timeval start, struct timeval end) +static int check_diff(struct timespec start, struct timespec end) { - long long diff; - - diff = end.tv_usec - start.tv_usec; - diff += (end.tv_sec - start.tv_sec) * USEC_PER_SEC; + long long diff = calcdiff_ns(end, start); - if (llabs(diff - DELAY * USEC_PER_SEC) > USEC_PER_SEC / 2) { - printf("Diff too high: %lld..", diff); + if (llabs(diff - DELAY * NSEC_PER_SEC) > NSEC_PER_SEC / 2) { + printf("Diff too high: %lld ns..", diff); return -1; } @@ -97,22 +105,25 @@ static int check_diff(struct timeval start, struct timeval end) static void check_itimer(int which, const char *name) { - struct timeval start, end; + struct timespec start, end; struct itimerval val = { .it_value.tv_sec = DELAY, }; + int clock_id = CLOCK_REALTIME; done = 0; if (which == ITIMER_VIRTUAL) signal(SIGVTALRM, sig_handler); - else if (which == ITIMER_PROF) + else if (which == ITIMER_PROF) { + clock_id = CLOCK_THREAD_CPUTIME_ID; signal(SIGPROF, sig_handler); + } else if (which == ITIMER_REAL) signal(SIGALRM, sig_handler); - if (gettimeofday(&start, NULL) < 0) - fatal_error(name, "gettimeofday()"); + if (clock_gettime(clock_id, &start)) + fatal_error(name, "clock_gettime()"); if (setitimer(which, &val, NULL) < 0) fatal_error(name, "setitimer()"); @@ -124,18 +135,19 @@ static void check_itimer(int which, const char *name) else if (which == ITIMER_REAL) idle_loop(); - if (gettimeofday(&end, NULL) < 0) - fatal_error(name, "gettimeofday()"); + if (clock_gettime(clock_id, &end)) + fatal_error(name, "clock_gettime()"); ksft_test_result(check_diff(start, end) == 0, "%s\n", name); } static void check_timer_create(int which, const char *name) { - struct timeval start, end; + struct timespec start, end; struct itimerspec val = { .it_value.tv_sec = DELAY, }; + int clock_id = CLOCK_REALTIME; timer_t id; done = 0; @@ -146,16 +158,16 @@ static void check_timer_create(int which, const char *name) if (signal(SIGALRM, sig_handler) == SIG_ERR) fatal_error(name, "signal()"); - if (gettimeofday(&start, NULL) < 0) - fatal_error(name, "gettimeofday()"); + if (clock_gettime(clock_id, &start)) + fatal_error(name, "clock_gettime()"); if (timer_settime(id, 0, &val, NULL) < 0) fatal_error(name, "timer_settime()"); user_loop(); - if (gettimeofday(&end, NULL) < 0) - fatal_error(name, "gettimeofday()"); + if (clock_gettime(clock_id, &end)) + fatal_error(name, "clock_gettime()"); ksft_test_result(check_diff(start, end) == 0, "timer_create() per %s\n", name); @@ -443,15 +455,6 @@ static void check_delete(void) ksft_test_result(!tsig.signals, "check_delete\n"); } -static inline int64_t calcdiff_ns(struct timespec t1, struct timespec t2) -{ - int64_t diff; - - diff = NSEC_PER_SEC * (int64_t)((int) t1.tv_sec - (int) t2.tv_sec); - diff += ((int) t1.tv_nsec - (int) t2.tv_nsec); - return diff; -} - static void check_sigev_none(int which, const char *name) { struct timespec start, now; @@ -599,14 +602,90 @@ static void check_overrun(int which, const char *name) "check_overrun %s\n", name); } +#include <sys/syscall.h> + +static int do_timer_create(int *id) +{ + return syscall(__NR_timer_create, CLOCK_MONOTONIC, NULL, id); +} + +static int do_timer_delete(int id) +{ + return syscall(__NR_timer_delete, id); +} + +#ifndef PR_TIMER_CREATE_RESTORE_IDS +# define PR_TIMER_CREATE_RESTORE_IDS 77 +# define PR_TIMER_CREATE_RESTORE_IDS_OFF 0 +# define PR_TIMER_CREATE_RESTORE_IDS_ON 1 +# define PR_TIMER_CREATE_RESTORE_IDS_GET 2 +#endif + +static void check_timer_create_exact(void) +{ + int id; + + if (prctl(PR_TIMER_CREATE_RESTORE_IDS, PR_TIMER_CREATE_RESTORE_IDS_ON, 0, 0, 0)) { + switch (errno) { + case EINVAL: + ksft_test_result_skip("check timer create exact, not supported\n"); + return; + default: + ksft_test_result_skip("check timer create exact, errno = %d\n", errno); + return; + } + } + + if (prctl(PR_TIMER_CREATE_RESTORE_IDS, PR_TIMER_CREATE_RESTORE_IDS_GET, 0, 0, 0) != 1) + fatal_error(NULL, "prctl(GET) failed\n"); + + id = 8; + if (do_timer_create(&id) < 0) + fatal_error(NULL, "timer_create()"); + + if (do_timer_delete(id)) + fatal_error(NULL, "timer_delete()"); + + if (prctl(PR_TIMER_CREATE_RESTORE_IDS, PR_TIMER_CREATE_RESTORE_IDS_OFF, 0, 0, 0)) + fatal_error(NULL, "prctl(OFF)"); + + if (prctl(PR_TIMER_CREATE_RESTORE_IDS, PR_TIMER_CREATE_RESTORE_IDS_GET, 0, 0, 0) != 0) + fatal_error(NULL, "prctl(GET) failed\n"); + + if (id != 8) { + ksft_test_result_fail("check timer create exact %d != 8\n", id); + return; + } + + /* Validate that it went back to normal mode and allocates ID 9 */ + if (do_timer_create(&id) < 0) + fatal_error(NULL, "timer_create()"); + + if (do_timer_delete(id)) + fatal_error(NULL, "timer_delete()"); + + if (id == 9) + ksft_test_result_pass("check timer create exact\n"); + else + ksft_test_result_fail("check timer create exact. Disabling failed.\n"); +} + int main(int argc, char **argv) { + bool run_sig_ign_tests = ksft_min_kernel_version(6, 13); + ksft_print_header(); - ksft_set_plan(18); + if (run_sig_ign_tests) { + ksft_set_plan(19); + } else { + ksft_set_plan(10); + } ksft_print_msg("Testing posix timers. False negative may happen on CPU execution \n"); ksft_print_msg("based timers if other threads run on the CPU...\n"); + check_timer_create_exact(); + check_itimer(ITIMER_VIRTUAL, "ITIMER_VIRTUAL"); check_itimer(ITIMER_PROF, "ITIMER_PROF"); check_itimer(ITIMER_REAL, "ITIMER_REAL"); @@ -624,15 +703,20 @@ int main(int argc, char **argv) check_timer_create(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); check_timer_distribution(); - check_sig_ign(0); - check_sig_ign(1); - check_rearm(); - check_delete(); - check_sigev_none(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); - check_sigev_none(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); - check_gettime(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); - check_gettime(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); - check_gettime(CLOCK_THREAD_CPUTIME_ID, "CLOCK_THREAD_CPUTIME_ID"); + if (run_sig_ign_tests) { + check_sig_ign(0); + check_sig_ign(1); + check_rearm(); + check_delete(); + check_sigev_none(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); + check_sigev_none(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); + check_gettime(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); + check_gettime(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); + check_gettime(CLOCK_THREAD_CPUTIME_ID, "CLOCK_THREAD_CPUTIME_ID"); + } else { + ksft_print_msg("Skipping SIG_IGN tests on kernel < 6.13\n"); + } + check_overrun(CLOCK_MONOTONIC, "CLOCK_MONOTONIC"); check_overrun(CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID"); check_overrun(CLOCK_THREAD_CPUTIME_ID, "CLOCK_THREAD_CPUTIME_ID"); diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c index 957f7cd29cb1..a7bae7d80916 100644 --- a/tools/testing/selftests/timers/raw_skew.c +++ b/tools/testing/selftests/timers/raw_skew.c @@ -26,7 +26,7 @@ #include <sys/timex.h> #include <time.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define shift_right(x, s) ({ \ __typeof__(x) __x = (x); \ diff --git a/tools/testing/selftests/timers/rtcpie.c b/tools/testing/selftests/timers/rtcpie.c index 7c07edd0d450..4ba42d198b7e 100644 --- a/tools/testing/selftests/timers/rtcpie.c +++ b/tools/testing/selftests/timers/rtcpie.c @@ -18,7 +18,7 @@ #include <stdlib.h> #include <errno.h> -#include "../kselftest.h" +#include "kselftest.h" /* * This expects the new RTC class driver framework, working with diff --git a/tools/testing/selftests/timers/set-2038.c b/tools/testing/selftests/timers/set-2038.c index ed244315e11c..ecc171de4728 100644 --- a/tools/testing/selftests/timers/set-2038.c +++ b/tools/testing/selftests/timers/set-2038.c @@ -28,7 +28,7 @@ #include <time.h> #include <sys/time.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define KTIME_MAX ((long long)~((unsigned long long)1 << 63)) #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) diff --git a/tools/testing/selftests/timers/set-tai.c b/tools/testing/selftests/timers/set-tai.c index 5b67462efcd6..e283c04284af 100644 --- a/tools/testing/selftests/timers/set-tai.c +++ b/tools/testing/selftests/timers/set-tai.c @@ -23,7 +23,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#include "../kselftest.h" +#include "kselftest.h" int set_tai(int offset) { diff --git a/tools/testing/selftests/timers/set-timer-lat.c b/tools/testing/selftests/timers/set-timer-lat.c index 9d8437c13929..44d2e3614fa5 100644 --- a/tools/testing/selftests/timers/set-timer-lat.c +++ b/tools/testing/selftests/timers/set-timer-lat.c @@ -29,7 +29,7 @@ #include <stdlib.h> #include <pthread.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" /* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 diff --git a/tools/testing/selftests/timers/set-tz.c b/tools/testing/selftests/timers/set-tz.c index 20daaf1782b7..334f36c0eda6 100644 --- a/tools/testing/selftests/timers/set-tz.c +++ b/tools/testing/selftests/timers/set-tz.c @@ -23,7 +23,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#include "../kselftest.h" +#include "kselftest.h" int set_tz(int min, int dst) { diff --git a/tools/testing/selftests/timers/skew_consistency.c b/tools/testing/selftests/timers/skew_consistency.c index 83450145fe65..53ee5d710ff4 100644 --- a/tools/testing/selftests/timers/skew_consistency.c +++ b/tools/testing/selftests/timers/skew_consistency.c @@ -34,7 +34,7 @@ #include <fcntl.h> #include <string.h> #include <sys/wait.h> -#include "../kselftest.h" +#include "kselftest.h" int main(int argc, char **argv) { @@ -47,7 +47,7 @@ int main(int argc, char **argv) pid = fork(); if (!pid) - return system("./inconsistency-check -c 1 -t 600"); + return system("./inconsistency-check -t 60"); ppm = 500; ret = 0; diff --git a/tools/testing/selftests/timers/threadtest.c b/tools/testing/selftests/timers/threadtest.c index d5564bbf0e50..60b8b21bf782 100644 --- a/tools/testing/selftests/timers/threadtest.c +++ b/tools/testing/selftests/timers/threadtest.c @@ -21,7 +21,7 @@ #include <stdlib.h> #include <sys/time.h> #include <pthread.h> -#include "../kselftest.h" +#include "kselftest.h" /* serializes shared list access */ pthread_mutex_t list_lock = PTHREAD_MUTEX_INITIALIZER; diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c index 6b7801055ad1..e1e56d3097d6 100644 --- a/tools/testing/selftests/timers/valid-adjtimex.c +++ b/tools/testing/selftests/timers/valid-adjtimex.c @@ -30,7 +30,7 @@ #include <signal.h> #include <unistd.h> #include <include/vdso/time64.h> -#include "../kselftest.h" +#include "kselftest.h" #define ADJ_SETOFFSET 0x0100 |