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[v2,2/3] perf tools: Fix lexical definition of event name

Message ID 20210121105425.2695843-3-nakamura.shun@jp.fujitsu.com (mailing list archive)
State New, archived
Headers show
Series perf vendor events: Support PMU events for A64FX | expand

Commit Message

Shunsuke Nakamura Jan. 21, 2021, 10:54 a.m. UTC
Fix the lexical definition of event name so that the numbers are recognizable.

A64FX defines an event name that starts with a number.
 - 0inst_commit
 - 1inst_commit
 - 2inst_commit
 - 3inst_commit
 - 4inst_commit

Signed-off-by: Shunsuke Nakamura <nakamura.shun@jp.fujitsu.com>
 tools/perf/util/parse-events.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 9db5097..e6bbbd0 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -205,7 +205,7 @@  bpf_source	[^,{}]+\.c[a-zA-Z0-9._]*
 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		[a-zA-Z0-9_*?\[\]][a-zA-Z0-9_*?.\[\]]*
 name_tag	[\'][a-zA-Z_*?\[\]][a-zA-Z0-9_*?\-,\.\[\]:=]*[\']
 name_minus	[a-zA-Z_*?][a-zA-Z0-9\-_*?.:]*
 drv_cfg_term	[a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*?\.:]+)?