Messages in this thread Patch in this message |  | | | Date | Mon, 23 May 2011 11:31:22 GMT | | From | tip-bot for Frederic Weisbecker <> | | Subject | [tip:perf/urgent] perf tools: Fix sample size bit operations |
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Commit-ID: 3cb6d1540880e767d911b79eb49578de2190f428 Gitweb: http://git.kernel.org/tip/3cb6d1540880e767d911b79eb49578de2190f428 Author: Frederic Weisbecker <fweisbec@gmail.com> AuthorDate: Mon, 23 May 2011 13:06:27 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Mon, 23 May 2011 13:26:36 +0200
perf tools: Fix sample size bit operations
What we want is to count the number of bits in the mask, not some other random operation written in the middle of the night.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1306148788-6179-2-git-send-email-fweisbec@gmail.com [ Fixed perf_event__names[] alignment which was nearby and hurting my eyes ... ] Signed-off-by: Ingo Molnar <mingo@elte.hu> --- tools/perf/util/event.c | 32 ++++++++++++++++---------------- 1 files changed, 16 insertions(+), 16 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 17c1c3c..252b72a 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -9,21 +9,21 @@ #include "thread_map.h" static const char *perf_event__names[] = { - [0] = "TOTAL", - [PERF_RECORD_MMAP] = "MMAP", - [PERF_RECORD_LOST] = "LOST", - [PERF_RECORD_COMM] = "COMM", - [PERF_RECORD_EXIT] = "EXIT", - [PERF_RECORD_THROTTLE] = "THROTTLE", - [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", - [PERF_RECORD_FORK] = "FORK", - [PERF_RECORD_READ] = "READ", - [PERF_RECORD_SAMPLE] = "SAMPLE", - [PERF_RECORD_HEADER_ATTR] = "ATTR", - [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", - [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", - [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", - [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", + [0] = "TOTAL", + [PERF_RECORD_MMAP] = "MMAP", + [PERF_RECORD_LOST] = "LOST", + [PERF_RECORD_COMM] = "COMM", + [PERF_RECORD_EXIT] = "EXIT", + [PERF_RECORD_THROTTLE] = "THROTTLE", + [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", + [PERF_RECORD_FORK] = "FORK", + [PERF_RECORD_READ] = "READ", + [PERF_RECORD_SAMPLE] = "SAMPLE", + [PERF_RECORD_HEADER_ATTR] = "ATTR", + [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", + [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", + [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", + [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", }; const char *perf_event__name(unsigned int id) @@ -42,7 +42,7 @@ int perf_sample_size(u64 sample_type) int i; for (i = 0; i < 64; i++) { - if ((mask << i) & 1) + if (mask & (1UL << i)) size++; }
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