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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)
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