Re: [PATCHv6 30/36] selftest/timens: Add Time Namespace test for supported clocks

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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@xxxxxxxxxx>
Signed-off-by: Andrei Vagin <avagin@xxxxxxxxxx>
Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
---
  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
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