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From: shuah <shuah@kernel.org>
To: Dmitry Safonov <dima@arista.com>, linux-kernel@vger.kernel.org
Cc: Dmitry Safonov <0x7f454c46@gmail.com>,
	Adrian Reber <adrian@lisas.de>, Andrei Vagin <avagin@openvz.org>,
	Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Christian Brauner <christian.brauner@ubuntu.com>,
	Cyrill Gorcunov <gorcunov@openvz.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
	Jann Horn <jannh@google.com>, Jeff Dike <jdike@addtoit.com>,
	Oleg Nesterov <oleg@redhat.com>,
	Pavel Emelyanov <xemul@virtuozzo.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	containers@lists.linux-foundation.org, criu@openvz.org,
	linux-api@vger.kernel.org, x86@kernel.org,
	shuah <shuah@kernel.org>
Subject: Re: [PATCHv6 30/36] selftest/timens: Add Time Namespace test for supported clocks
Date: Thu, 15 Aug 2019 17:18:21 -0600	[thread overview]
Message-ID: <02add700-b626-a1b4-09e1-1e4d5cd242f2@kernel.org> (raw)
In-Reply-To: <20190815163836.2927-31-dima@arista.com>

Hi Dmitry,

Thanks for the patch.

On 8/15/19 10:38 AM, Dmitry Safonov wrote:
> A test to check that all supported clocks work on host and inside
> a new time namespace. Use both ways to get time: through VDSO and
> by entering the kernel with implicit syscall.
> 
> Introduce a new timens directory in selftests framework for
> the next timens tests.
> 
> Co-developed-by: Andrei Vagin <avagin@openvz.org>
> Signed-off-by: Andrei Vagin <avagin@openvz.org>
> Signed-off-by: Dmitry Safonov <dima@arista.com>
> ---
>   tools/testing/selftests/Makefile          |   1 +
>   tools/testing/selftests/timens/.gitignore |   1 +
>   tools/testing/selftests/timens/Makefile   |   5 +
>   tools/testing/selftests/timens/config     |   1 +
>   tools/testing/selftests/timens/log.h      |  26 +++
>   tools/testing/selftests/timens/timens.c   | 185 ++++++++++++++++++++++
>   tools/testing/selftests/timens/timens.h   |  63 ++++++++
>   7 files changed, 282 insertions(+)
>   create mode 100644 tools/testing/selftests/timens/.gitignore
>   create mode 100644 tools/testing/selftests/timens/Makefile
>   create mode 100644 tools/testing/selftests/timens/config
>   create mode 100644 tools/testing/selftests/timens/log.h
>   create mode 100644 tools/testing/selftests/timens/timens.c
>   create mode 100644 tools/testing/selftests/timens/timens.h
> 
> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
> index 25b43a8c2b15..6fc63b84a857 100644
> --- a/tools/testing/selftests/Makefile
> +++ b/tools/testing/selftests/Makefile
> @@ -47,6 +47,7 @@ TARGETS += splice
>   TARGETS += static_keys
>   TARGETS += sync
>   TARGETS += sysctl
> +TARGETS += timens

How long does this test run for? Does this test need to be run
as root? If yes, please add a root check and skip the test.

What does the test output looks like for skip and pass/fail cases?

thanks,
-- Shuah

  reply	other threads:[~2019-08-15 23:18 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-15 16:38 [PATCHv6 00/36] kernel: Introduce Time Namespace Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 01/36] ns: " Dmitry Safonov
2019-08-15 17:19   ` Thomas Gleixner
2019-08-16  6:11     ` Andrei Vagin
2019-08-16  6:34       ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 02/36] timens: Add timens_offsets Dmitry Safonov
2019-08-15 17:21   ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 03/36] posix-clocks: Rename the clock_get() into clock_get_timespec() Dmitry Safonov
2019-08-15 17:24   ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 04/36] posix-clocks: Rename .clock_get_timespec() callbacks accordingly Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 05/36] alarmtimer: Rename gettime() callback to get_ktime() Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 06/36] alarmtimer: Provide get_timespec() callback Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 07/36] posix-clocks: Introduce clock_get_ktime() callback Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 08/36] posix-timers: Use clock_get_ktime() in common_timer_get() Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 09/36] posix-clocks: Wire up clock_gettime() with timens offsets Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 10/36] kernel: Add do_timens_ktime_to_host() helper Dmitry Safonov
2019-08-15 17:38   ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 11/36] timerfd: Make timerfd_settime() time namespace aware Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 12/36] posix-timers: Make timer_settime() " Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 13/36] alarmtimer: Make nanosleep " Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 14/36] hrtimers: Prepare hrtimer_nanosleep() for time namespaces Dmitry Safonov
2019-08-15 17:44   ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 15/36] posix-timers: Make clock_nanosleep() time namespace aware Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 16/36] fd/proc: Respect boottime inside time namespace for /proc/uptime Dmitry Safonov
2019-08-16  0:46   ` Randy Dunlap
2019-08-15 16:38 ` [PATCHv6 17/36] x86/vdso2c: Correct err messages on file opening Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 18/36] x86/vdso2c: Convert iterator to unsigned Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 19/36] x86/vdso/Makefile: Add vobjs32 Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 20/36] x86/vdso: Restrict splitting VVAR VMA Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 21/36] x86/vdso: Rename vdso_image {.data=>.text} Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 22/36] x86/vdso: Add offsets page in vvar Dmitry Safonov
2019-08-15 19:21   ` Thomas Gleixner
2019-08-16 20:20     ` Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 23/36] x86/vdso: Allocate timens vdso Dmitry Safonov
2019-08-16 15:23   ` Andy Lutomirski
2019-08-16 20:10     ` Thomas Gleixner
2019-08-16 22:47       ` Dmitry Safonov
2019-08-18 16:21         ` Thomas Gleixner
2019-08-18 16:24           ` Thomas Gleixner
2019-08-18 16:29             ` Thomas Gleixner
2019-08-19 14:15           ` Dmitry Safonov
2019-08-19 14:44             ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 24/36] x86/vdso: Switch image on setns()/clone() Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 25/36] vdso: Introduce vdso_static_branch_unlikely() Dmitry Safonov
2019-08-15 18:03   ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 26/36] x86/vdso2c: Process jump tables Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 27/36] x86/vdso: Enable static branches for the timens vdso Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 28/36] posix-clocks: Add align for timens_offsets Dmitry Safonov
2019-08-15 19:22   ` Thomas Gleixner
2019-08-16  6:36     ` Thomas Gleixner
2019-08-15 16:38 ` [PATCHv6 29/36] fs/proc: Introduce /proc/pid/timens_offsets Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 30/36] selftest/timens: Add Time Namespace test for supported clocks Dmitry Safonov
2019-08-15 23:18   ` shuah [this message]
2019-08-16  6:20     ` Andrei Vagin
2019-08-15 16:38 ` [PATCHv6 31/36] selftest/timens: Add a test for timerfd Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 32/36] selftest/timens: Add a test for clock_nanosleep() Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 33/36] selftest/timens: Add procfs selftest Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 34/36] selftest/timens: Add timer offsets test Dmitry Safonov
2019-08-15 16:38 ` [PATCHv6 35/36] selftests/timens: Add a simple perf test for clock_gettime() Dmitry Safonov
2019-08-15 23:29   ` shuah
2019-08-15 16:38 ` [PATCHv6 36/36] selftest/timens: Check that a right vdso is mapped after fork and exec Dmitry Safonov

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