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| author |   Jacob Shin <jacob.w.shin@gmail.com> | 2014-05-29 17:26:51 +0200 |
|---|---|---|
| committer |   Frederic Weisbecker <fweisbec@gmail.com> | 2014-12-03 15:14:29 +0100 |
| commit | 3741eb9f8c3be3ec59583881c1f49980dad844e0 (patch) | |
| tree | e4744f42bbaf21c8ddf623f1b87202c1ae3e1a93 /tools/perf/util/parse-events.l | |
| parent | perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8 (diff) | |
| download | linux-dev-3741eb9f8c3be3ec59583881c1f49980dad844e0.tar.xz linux-dev-3741eb9f8c3be3ec59583881c1f49980dad844e0.zip | |
perf tools: allow user to specify hardware breakpoint bp_len
Currently bp_len is given a default value of 4. Allow user to override it:
$ perf stat -e mem:0x1000/8
^
bp_len
If no value is given, it will default to 4 as it did before.
Signed-off-by: Jacob Shin <jacob.w.shin@gmail.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: xiakaixu <xiakaixu@huawei.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/perf/util/parse-events.l')
| -rw-r--r-- | tools/perf/util/parse-events.l | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 906630bbf8eb..94eacb6c1ef7 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -159,6 +159,7 @@ branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE <mem>{ {modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } : { return ':'; } +"/" { return '/'; } {num_dec} { return value(yyscanner, 10); } {num_hex} { return value(yyscanner, 16); } /* |