linux-kernel - [PATCH] selftests/powerpc/eeh: disable kselftest timeout setting for eeh-basic

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Message-Id: <20201022083616.41666-1-po-hsu.lin@canonical.com>
Date:   Thu, 22 Oct 2020 16:36:16 +0800
From:   Po-Hsu Lin <po-hsu.lin@...onical.com>
To:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kselftest@...r.kernel.org
Cc:     po-hsu.lin@...onical.com, mpe@...erman.id.au,
        benh@...nel.crashing.org, shuah@...nel.org, mbenes@...e.cz,
        joe.lawrence@...hat.com, mathieu.desnoyers@...icios.com
Subject: [PATCH] selftests/powerpc/eeh: disable kselftest timeout setting for eeh-basic

The eeh-basic test got its own 60 seconds timeout (defined in commit
414f50434aa2 "selftests/eeh: Bump EEH wait time to 60s") per breakable
device.

And we have discovered that the number of breakable devices varies
on different hardware. The device recovery time ranges from 0 to 35
seconds. In our test pool it will take about 30 seconds to run on a
Power8 system that with 5 breakable devices, 60 seconds to run on a
Power9 system that with 4 breakable devices.

Thus it's better to disable the default 45 seconds timeout setting in
the kselftest framework to give it a chance to finish. And let the
test to take care of the timeout control.

Signed-off-by: Po-Hsu Lin <po-hsu.lin@...onical.com>
---
 tools/testing/selftests/powerpc/eeh/Makefile | 2 +-
 tools/testing/selftests/powerpc/eeh/settings | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/powerpc/eeh/settings

diff --git a/tools/testing/selftests/powerpc/eeh/Makefile b/tools/testing/selftests/powerpc/eeh/Makefile
index b397bab..ae963eb 100644
--- a/tools/testing/selftests/powerpc/eeh/Makefile
+++ b/tools/testing/selftests/powerpc/eeh/Makefile
@@ -3,7 +3,7 @@ noarg:
 	$(MAKE) -C ../
 
 TEST_PROGS := eeh-basic.sh
-TEST_FILES := eeh-functions.sh
+TEST_FILES := eeh-functions.sh settings
 
 top_srcdir = ../../../../..
 include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/eeh/settings b/tools/testing/selftests/powerpc/eeh/settings
new file mode 100644
index 0000000..e7b9417
--- /dev/null
+++ b/tools/testing/selftests/powerpc/eeh/settings
@@ -0,0 +1 @@
+timeout=0
-- 
2.7.4