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Message-Id: <20200422074809.160248-2-irogers@google.com>
Date: Wed, 22 Apr 2020 00:48:02 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Kan Liang <kan.liang@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
Haiyan Song <haiyanx.song@...el.com>,
Jin Yao <yao.jin@...ux.intel.com>,
Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
John Garry <john.garry@...wei.com>,
Leo Yan <leo.yan@...aro.org>,
Adrian Hunter <adrian.hunter@...el.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Cc: Stephane Eranian <eranian@...gle.com>,
Ian Rogers <irogers@...gle.com>
Subject: [PATCH 1/8] perf expr: unlimited escaped characters in a symbol
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@...gle.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})+
%%
struct expr_scanner_ctx *sctx = expr_get_extra(yyscanner);
--
2.26.2.303.gf8c07b1a785-goog
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