From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Namhyung Kim <namhyung@kernel.org>,
Kan Liang <kan.liang@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>,
Haiyan Song <haiyanx.song@intel.com>,
Jin Yao <yao.jin@linux.intel.com>,
Song Liu <songliubraving@fb.com>,
Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
John Garry <john.garry@huawei.com>, Leo Yan <leo.yan@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Paul Clarke <pc@us.ibm.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v2 01/11] perf expr: unlimited escaped characters in a symbol
Date: Thu, 23 Apr 2020 13:29:05 +0200 [thread overview]
Message-ID: <20200423112905.GG1136647@krava> (raw)
In-Reply-To: <20200422220430.254014-2-irogers@google.com>
On Wed, Apr 22, 2020 at 03:04:20PM -0700, Ian Rogers wrote:
> Current expression allows 2 escaped '-,=' characters. However, some
> metrics require more, for example Haswell DRAM_BW_Use.
>
> Fixes: 26226a97724d (perf expr: Move expr lexer to flex)
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/expr.l | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
> index 2582c2464938..95bcf3629edf 100644
> --- a/tools/perf/util/expr.l
> +++ b/tools/perf/util/expr.l
> @@ -73,7 +73,7 @@ number [0-9]+
> sch [-,=]
> spec \\{sch}
> sym [0-9a-zA-Z_\.:@]+
> -symbol {spec}*{sym}*{spec}*{sym}*
> +symbol ({spec}|{sym})+
yep, much better ;-)
thanks,
jirka
>
> %%
> struct expr_scanner_ctx *sctx = expr_get_extra(yyscanner);
> --
> 2.26.2.303.gf8c07b1a785-goog
>
next prev parent reply other threads:[~2020-04-23 11:29 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 22:04 [PATCH v2 00/11] perf metric fixes and test Ian Rogers
2020-04-22 22:04 ` [PATCH v2 01/11] perf expr: unlimited escaped characters in a symbol Ian Rogers
2020-04-23 11:29 ` Jiri Olsa [this message]
2020-04-27 9:31 ` kajoljain
2020-04-22 22:04 ` [PATCH v2 02/11] perf metrics: fix parse errors in cascade lake metrics Ian Rogers
2020-04-22 22:04 ` [PATCH v2 03/11] perf metrics: fix parse errors in skylake metrics Ian Rogers
2020-04-22 22:04 ` [PATCH v2 04/11] perf expr: allow ',' to be an other token Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-22 22:04 ` [PATCH v2 05/11] perf expr: increase max other Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-23 14:23 ` Ian Rogers
2020-05-06 22:52 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 06/11] perf expr: parse numbers as doubles Ian Rogers
2020-04-23 11:29 ` Jiri Olsa
2020-04-27 11:11 ` kajoljain
2020-04-27 18:03 ` Ian Rogers
2020-04-27 18:03 ` Ian Rogers
2020-04-28 6:35 ` kajoljain
2020-04-22 22:04 ` [PATCH v2 07/11] perf expr: debug lex if debugging yacc Ian Rogers
2020-04-22 22:04 ` [PATCH v2 08/11] perf metrics: fix parse errors in power8 metrics Ian Rogers
2020-04-22 22:31 ` Paul Clarke
2020-04-22 22:46 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 09/11] perf metrics: fix parse errors in power9 metrics Ian Rogers
2020-04-22 22:31 ` Paul Clarke
2020-04-22 22:04 ` [PATCH v2 10/11] perf expr: print a debug message for division by zero Ian Rogers
2020-04-23 11:28 ` Jiri Olsa
2020-04-23 14:16 ` Ian Rogers
2020-04-22 22:04 ` [PATCH v2 11/11] perf test: add expr test for pmu metrics Ian Rogers
2020-04-23 11:28 ` Jiri Olsa
2020-04-23 14:22 ` Ian Rogers
2020-04-23 15:11 ` John Garry
2020-04-23 16:21 ` Ian Rogers
2020-04-23 11:28 ` [PATCH v2 00/11] perf metric fixes and test Jiri Olsa
2020-04-23 13:44 ` Jin, Yao
2020-04-23 14:02 ` Jiri Olsa
2020-04-23 14:31 ` Ian Rogers
2020-04-24 2:46 ` Jin, Yao
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