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From: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
To: john.garry@huawei.com, will@kernel.org,
	mathieu.poirier@linaro.org, leo.yan@linaro.org,
	peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
	mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
	jolsa@redhat.com, namhyung@kernel.org
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v7 2/4] perf tools: Add lexical definition of event name
Date: Thu,  4 Mar 2021 12:26:08 +0900	[thread overview]
Message-ID: <20210304032610.3112996-3-nakamura.shun@fujitsu.com> (raw)
In-Reply-To: <20210304032610.3112996-1-nakamura.shun@fujitsu.com>

From: Shunsuke Nakamura <nakamura.shun@jp.fujitsu.com>

Add 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@fujitsu.com>
Acked-by: John Garry <john.garry@huawei.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 0b36285a9435..33f627187415 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_*?\.:]+)?
-- 
2.25.1


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  parent reply	other threads:[~2021-03-04  3:30 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-04  3:26 [PATCH v7 0/4] perf vendor events: Support PMU events for A64FX Shunsuke Nakamura
2021-03-04  3:26 ` [PATCH v7 1/4] perf vendor events arm64: Add more common and uarch events Shunsuke Nakamura
2021-03-04  3:26 ` Shunsuke Nakamura [this message]
2021-03-04  9:34   ` [PATCH v7 2/4] perf tools: Add lexical definition of event name John Garry
2021-03-05 10:09     ` nakamura.shun
2021-03-06 19:14       ` Jiri Olsa
2021-03-08  3:19         ` nakamura.shun
2021-03-04  3:26 ` [PATCH v7 3/4] perf vendor events arm64: Add Fujitsu A64FX pmu event Shunsuke Nakamura
2021-03-04  3:26 ` [PATCH v7 4/4] perf test: Add test for event name starting with a number Shunsuke Nakamura

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