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* [PATCH] selftests/timens: handle a case when alarm clocks are not supported
@ 2020-04-15  6:18 Andrei Vagin
  2020-04-17  9:28 ` [PATCH v2] " Andrei Vagin
  2020-05-20 11:55 ` [PATCH] " Vincenzo Frascino
  0 siblings, 2 replies; 3+ messages in thread
From: Andrei Vagin @ 2020-04-15  6:18 UTC (permalink / raw)
  To: Shuah Khan
  Cc: linux-kernel, Dmitry Safonov, linux-kselftest, Thomas Gleixner,
	Andrei Vagin, Vincenzo Frascino

This can happen if a testing node doesn't have RTC (real time clock)
hardware or it doesn't support alarms.

Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
---
 tools/testing/selftests/timens/clock_nanosleep.c |  2 +-
 tools/testing/selftests/timens/timens.c          |  2 +-
 tools/testing/selftests/timens/timens.h          | 13 ++++++++++++-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/timens/clock_nanosleep.c b/tools/testing/selftests/timens/clock_nanosleep.c
index 8e7b7c72ef65..72d41b955fb2 100644
--- a/tools/testing/selftests/timens/clock_nanosleep.c
+++ b/tools/testing/selftests/timens/clock_nanosleep.c
@@ -119,7 +119,7 @@ int main(int argc, char *argv[])
 
 	ksft_set_plan(4);
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	if (unshare_timens())
 		return 1;
diff --git a/tools/testing/selftests/timens/timens.c b/tools/testing/selftests/timens/timens.c
index 559d26e21ba0..07feebe8e53e 100644
--- a/tools/testing/selftests/timens/timens.c
+++ b/tools/testing/selftests/timens/timens.c
@@ -156,7 +156,7 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	ksft_set_plan(ARRAY_SIZE(clocks) * 2);
 
diff --git a/tools/testing/selftests/timens/timens.h b/tools/testing/selftests/timens/timens.h
index e09e7e39bc52..d4fc52d47146 100644
--- a/tools/testing/selftests/timens/timens.h
+++ b/tools/testing/selftests/timens/timens.h
@@ -14,15 +14,26 @@
 #endif
 
 static int config_posix_timers = true;
+static int config_alarm_timers = true;
 
-static inline void check_config_posix_timers(void)
+static inline void check_supported_timers(void)
 {
+	struct timespec ts;
+
 	if (timer_create(-1, 0, 0) == -1 && errno == ENOSYS)
 		config_posix_timers = false;
+
+	if (clock_gettime(CLOCK_BOOTTIME_ALARM, &ts) == -1 && errno == EINVAL)
+		config_alarm_timers = false;
 }
 
 static inline bool check_skip(int clockid)
 {
+	if (!config_alarm_timers && clockid == CLOCK_BOOTTIME_ALARM) {
+		ksft_test_result_skip("CLOCK_BOOTTIME_ALARM isn't supported\n");
+		return true;
+	}
+
 	if (config_posix_timers)
 		return false;
 
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH v2] selftests/timens: handle a case when alarm clocks are not supported
  2020-04-15  6:18 [PATCH] selftests/timens: handle a case when alarm clocks are not supported Andrei Vagin
@ 2020-04-17  9:28 ` Andrei Vagin
  2020-05-20 11:55 ` [PATCH] " Vincenzo Frascino
  1 sibling, 0 replies; 3+ messages in thread
From: Andrei Vagin @ 2020-04-17  9:28 UTC (permalink / raw)
  To: Shuah Khan, Dmitry Safonov
  Cc: linux-kernel, linux-kselftest, Thomas Gleixner, Andrei Vagin,
	Vincenzo Frascino

This can happen if a testing node doesn't have RTC (real time clock)
hardware or it doesn't support alarms.

Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
---
v2: fix timer.c and timerfd.c too.

 tools/testing/selftests/timens/clock_nanosleep.c |  2 +-
 tools/testing/selftests/timens/timens.c          |  2 +-
 tools/testing/selftests/timens/timens.h          | 13 ++++++++++++-
 tools/testing/selftests/timens/timer.c           |  5 +++++
 tools/testing/selftests/timens/timerfd.c         |  5 +++++
 5 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/timens/clock_nanosleep.c b/tools/testing/selftests/timens/clock_nanosleep.c
index 8e7b7c72ef65..72d41b955fb2 100644
--- a/tools/testing/selftests/timens/clock_nanosleep.c
+++ b/tools/testing/selftests/timens/clock_nanosleep.c
@@ -119,7 +119,7 @@ int main(int argc, char *argv[])
 
 	ksft_set_plan(4);
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	if (unshare_timens())
 		return 1;
diff --git a/tools/testing/selftests/timens/timens.c b/tools/testing/selftests/timens/timens.c
index 098be7c83be3..52b6a1185f52 100644
--- a/tools/testing/selftests/timens/timens.c
+++ b/tools/testing/selftests/timens/timens.c
@@ -155,7 +155,7 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	ksft_set_plan(ARRAY_SIZE(clocks) * 2);
 
diff --git a/tools/testing/selftests/timens/timens.h b/tools/testing/selftests/timens/timens.h
index e09e7e39bc52..d4fc52d47146 100644
--- a/tools/testing/selftests/timens/timens.h
+++ b/tools/testing/selftests/timens/timens.h
@@ -14,15 +14,26 @@
 #endif
 
 static int config_posix_timers = true;
+static int config_alarm_timers = true;
 
-static inline void check_config_posix_timers(void)
+static inline void check_supported_timers(void)
 {
+	struct timespec ts;
+
 	if (timer_create(-1, 0, 0) == -1 && errno == ENOSYS)
 		config_posix_timers = false;
+
+	if (clock_gettime(CLOCK_BOOTTIME_ALARM, &ts) == -1 && errno == EINVAL)
+		config_alarm_timers = false;
 }
 
 static inline bool check_skip(int clockid)
 {
+	if (!config_alarm_timers && clockid == CLOCK_BOOTTIME_ALARM) {
+		ksft_test_result_skip("CLOCK_BOOTTIME_ALARM isn't supported\n");
+		return true;
+	}
+
 	if (config_posix_timers)
 		return false;
 
diff --git a/tools/testing/selftests/timens/timer.c b/tools/testing/selftests/timens/timer.c
index 96dba11ebe44..5e7f0051bd7b 100644
--- a/tools/testing/selftests/timens/timer.c
+++ b/tools/testing/selftests/timens/timer.c
@@ -22,6 +22,9 @@ int run_test(int clockid, struct timespec now)
 	timer_t fd;
 	int i;
 
+	if (check_skip(clockid))
+		return 0;
+
 	for (i = 0; i < 2; i++) {
 		struct sigevent sevp = {.sigev_notify = SIGEV_NONE};
 		int flags = 0;
@@ -74,6 +77,8 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
+	check_supported_timers();
+
 	ksft_set_plan(3);
 
 	clock_gettime(CLOCK_MONOTONIC, &mtime_now);
diff --git a/tools/testing/selftests/timens/timerfd.c b/tools/testing/selftests/timens/timerfd.c
index eff1ec5ff215..9edd43d6b2c1 100644
--- a/tools/testing/selftests/timens/timerfd.c
+++ b/tools/testing/selftests/timens/timerfd.c
@@ -28,6 +28,9 @@ int run_test(int clockid, struct timespec now)
 	long long elapsed;
 	int fd, i;
 
+	if (check_skip(clockid))
+		return 0;
+
 	if (tclock_gettime(clockid, &now))
 		return pr_perror("clock_gettime(%d)", clockid);
 
@@ -81,6 +84,8 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
+	check_supported_timers();
+
 	ksft_set_plan(3);
 
 	clock_gettime(CLOCK_MONOTONIC, &mtime_now);
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] selftests/timens: handle a case when alarm clocks are not supported
  2020-04-15  6:18 [PATCH] selftests/timens: handle a case when alarm clocks are not supported Andrei Vagin
  2020-04-17  9:28 ` [PATCH v2] " Andrei Vagin
@ 2020-05-20 11:55 ` Vincenzo Frascino
  1 sibling, 0 replies; 3+ messages in thread
From: Vincenzo Frascino @ 2020-05-20 11:55 UTC (permalink / raw)
  To: Andrei Vagin, Shuah Khan
  Cc: linux-kernel, Dmitry Safonov, linux-kselftest, Thomas Gleixner

Hi Andrei,

thanks for this.

On 4/15/20 7:18 AM, Andrei Vagin wrote:
> This can happen if a testing node doesn't have RTC (real time clock)
> hardware or it doesn't support alarms.
> 

Could you please add the "Reported-by:" tag and the "Fixes:" one?

With this:

Acked-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
> Signed-off-by: Andrei Vagin <avagin@gmail.com>
> ---
>  tools/testing/selftests/timens/clock_nanosleep.c |  2 +-
>  tools/testing/selftests/timens/timens.c          |  2 +-
>  tools/testing/selftests/timens/timens.h          | 13 ++++++++++++-
>  3 files changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/timens/clock_nanosleep.c b/tools/testing/selftests/timens/clock_nanosleep.c
> index 8e7b7c72ef65..72d41b955fb2 100644
> --- a/tools/testing/selftests/timens/clock_nanosleep.c
> +++ b/tools/testing/selftests/timens/clock_nanosleep.c
> @@ -119,7 +119,7 @@ int main(int argc, char *argv[])
>  
>  	ksft_set_plan(4);
>  
> -	check_config_posix_timers();
> +	check_supported_timers();
>  
>  	if (unshare_timens())
>  		return 1;
> diff --git a/tools/testing/selftests/timens/timens.c b/tools/testing/selftests/timens/timens.c
> index 559d26e21ba0..07feebe8e53e 100644
> --- a/tools/testing/selftests/timens/timens.c
> +++ b/tools/testing/selftests/timens/timens.c
> @@ -156,7 +156,7 @@ int main(int argc, char *argv[])
>  
>  	nscheck();
>  
> -	check_config_posix_timers();
> +	check_supported_timers();
>  
>  	ksft_set_plan(ARRAY_SIZE(clocks) * 2);
>  
> diff --git a/tools/testing/selftests/timens/timens.h b/tools/testing/selftests/timens/timens.h
> index e09e7e39bc52..d4fc52d47146 100644
> --- a/tools/testing/selftests/timens/timens.h
> +++ b/tools/testing/selftests/timens/timens.h
> @@ -14,15 +14,26 @@
>  #endif
>  
>  static int config_posix_timers = true;
> +static int config_alarm_timers = true;
>  
> -static inline void check_config_posix_timers(void)
> +static inline void check_supported_timers(void)
>  {
> +	struct timespec ts;
> +
>  	if (timer_create(-1, 0, 0) == -1 && errno == ENOSYS)
>  		config_posix_timers = false;
> +
> +	if (clock_gettime(CLOCK_BOOTTIME_ALARM, &ts) == -1 && errno == EINVAL)
> +		config_alarm_timers = false;
>  }
>  
>  static inline bool check_skip(int clockid)
>  {
> +	if (!config_alarm_timers && clockid == CLOCK_BOOTTIME_ALARM) {
> +		ksft_test_result_skip("CLOCK_BOOTTIME_ALARM isn't supported\n");
> +		return true;
> +	}
> +
>  	if (config_posix_timers)
>  		return false;
>  
> 

-- 
Regards,
Vincenzo

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-05-20 11:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-04-15  6:18 [PATCH] selftests/timens: handle a case when alarm clocks are not supported Andrei Vagin
2020-04-17  9:28 ` [PATCH v2] " Andrei Vagin
2020-05-20 11:55 ` [PATCH] " Vincenzo Frascino

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