linux-kernel - [lkp-robot] [perf/core] cc1582c231: stderr.Wrong_number_of

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Message-ID: <20170627013910.GB16766@yexl-desktop>
Date:   Tue, 27 Jun 2017 09:39:10 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, lkp@...org
Subject: [lkp-robot] [perf/core]  cc1582c231: stderr.Wrong_number_of_overflows


FYI, we noticed the following commit:

commit: cc1582c231ea041fbc68861dfaf957eaf902b829 ("perf/core: Drop kernel samples even though :u is specified")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: perf_event_tests
with following parameters:

	paranoid: disallow_raw_tracepoint

test-description: The Perf Event Testsuite.
test-url: https://github.com/deater/perf_event_tests


on test machine: 8 threads Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz with 8G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


[   36.763493]   + /lkp/benchmarks/perf_event_tests/tests/overflow/simultaneous_overflow
[   36.763494] 
[   37.353301]     Testing multiple event overflow...                           FAILED
[   37.353304] 
[   37.355095] Wrong number of overflows!
[   37.355098] 
[   37.359993]   + /lkp/benchmarks/perf_event_tests/tests/overflow/simultaneous_group_overflow
[   37.359994] 
[   37.992506]     Testing multiple event overflow within group...              FAILED
[   37.992508] 
[   37.996951]   + /lkp/benchmarks/perf_event_tests/tests/overflow/simul_oneshot_group_overflow


To reproduce:

        git clone https://github.com/01org/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong

View attachment "config-4.12.0-rc4-00026-gcc1582c" of type "text/plain" (159327 bytes)

View attachment "job-script" of type "text/plain" (4562 bytes)

Download attachment "dmesg.xz" of type "application/octet-stream" (22252 bytes)

View attachment "perf_event_tests" of type "text/plain" (19510 bytes)

View attachment "job.yaml" of type "text/plain" (3770 bytes)

View attachment "reproduce" of type "text/plain" (16 bytes)