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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-03-04 13:57:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-10 13:23:32 +0100 |
| commit | 69fef0d2e2c2c049ef4207a52e78b50d527bd85a (patch) | |
| tree | 714bf4c86501221dc5744ae8f0c08d3ec6143630 /tools | |
| parent | ca037701a025334e724e5c61b3b1082940c8b981 (diff) | |
| download | blackbird-obmc-linux-69fef0d2e2c2c049ef4207a52e78b50d527bd85a.tar.gz blackbird-obmc-linux-69fef0d2e2c2c049ef4207a52e78b50d527bd85a.zip | |
perf: Add attr->precise support to raw event parsing
Minimal userspace interface to the new 'precise' events flag.
Can be used like "perf top -e r00c0p" which will use PEBS to sample
retired instructions.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
LKML-Reference: <20100304140100.468665803@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/parse-events.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 05d0c5c2030c..a2014459125a 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -656,6 +656,10 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr) return EVT_FAILED; n = hex2u64(str + 1, &config); if (n > 0) { + if (str[n+1] == 'p') { + attr->precise = 1; + n++; + } *strp = str + n + 1; attr->type = PERF_TYPE_RAW; attr->config = config; |
