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Subject[tip:perf/core] perf tools: Add arbitary aliases and support names with -
Commit-ID:  eef9ba98b9ee96f52e544b09f581c397d8cc8265
Gitweb: http://git.kernel.org/tip/eef9ba98b9ee96f52e544b09f581c397d8cc8265
Author: Andi Kleen <ak@linux.intel.com>
AuthorDate: Mon, 5 Nov 2012 14:50:52 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 8 Nov 2012 16:12:03 -0300

perf tools: Add arbitary aliases and support names with -

- Add missing scanner symbol for arbitrary aliases inside the config
region.

- looks nicer than _, so allow - in the event names. Used for various of
the arch perfmon and Haswell events.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1352123463-7346-6-git-send-email-eranian@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/parse-events.l | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index c87efc1..66959fa 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -81,6 +81,7 @@ num_dec [0-9]+
num_hex 0x[a-fA-F0-9]+
num_raw_hex [a-fA-F0-9]+
name [a-zA-Z_*?][a-zA-Z0-9_*?]*
+name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]*
modifier_event [ukhpGH]{1,8}
modifier_bp [rwx]{1,3}

@@ -168,6 +169,7 @@ period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
, { return ','; }
"/" { BEGIN(INITIAL); return '/'; }
+{name_minus} { return str(yyscanner, PE_NAME); }
}

mem: { BEGIN(mem); return PE_PREFIX_MEM; }

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