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.s...@jp.fujitsu.com>
---
 tools/perf/util/parse-events.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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_*?\.:]+)?
-- 
1.8.3.1

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