From: John Garry <john.garry@huawei.com>
To: Shunsuke Nakamura <nakamura.shun@jp.fujitsu.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-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 2/3] perf tools: Add lexical definition of event name
Date: Fri, 12 Feb 2021 09:53:28 +0000 [thread overview]
Message-ID: <1e786f11-708f-85db-e965-a6ade5781b32@huawei.com> (raw)
In-Reply-To: <20210212090318.1522292-3-nakamura.shun@jp.fujitsu.com>
On 12/02/2021 09:03, Shunsuke Nakamura wrote:
> 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>
> ---
FWIW,
Acked-by: John Garry <john.garry@huawei.com>
I would prefer if more knowledgeable perf reviewers also checked this...
> 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_*?\.:]+)?
>
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next prev parent reply other threads:[~2021-02-12 9:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 9:03 [PATCH v6 0/3] perf vendor events: Support PMU events for A64FX Shunsuke Nakamura
2021-02-12 9:03 ` [PATCH v6 1/3] perf vendor events arm64: Add more common and uarch events Shunsuke Nakamura
2021-02-12 9:03 ` [PATCH v6 2/3] perf tools: Add lexical definition of event name Shunsuke Nakamura
2021-02-12 9:53 ` John Garry [this message]
2021-02-15 12:34 ` Jiri Olsa
2021-02-16 8:23 ` Namhyung Kim
2021-02-16 11:13 ` Jiri Olsa
2021-02-12 9:03 ` [PATCH v6 3/3] perf vendor events arm64: Add Fujitsu A64FX pmu event Shunsuke Nakamura
2021-02-12 9:52 ` John Garry
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