summaryrefslogtreecommitdiff
path: root/tools/perf/util/expr.l
diff options
context:
space:
mode:
authorIan Rogers <irogers@google.com>2020-05-01 10:33:22 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-05-28 10:03:25 -0300
commit5b3141d02645a36ccf9f08a67e08e8186dfef12c (patch)
tree9e71259ee9a63c456d7d5fdc134c51c3740276d9 /tools/perf/util/expr.l
parent53fb18941d81522a3e6eec1a5f21a70da1515e56 (diff)
perf expr: Allow for 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@google.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Kajol Jain <kjain@linux.ibm.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Haiyan Song <haiyanx.song@intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200501173333.227162-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/expr.l')
-rw-r--r--tools/perf/util/expr.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
index 74b9b59b1aa5..73db6a9ef97e 100644
--- a/tools/perf/util/expr.l
+++ b/tools/perf/util/expr.l
@@ -86,7 +86,7 @@ number [0-9]+
sch [-,=]
spec \\{sch}
sym [0-9a-zA-Z_\.:@?]+
-symbol {spec}*{sym}*{spec}*{sym}*{spec}*{sym}
+symbol ({spec}|{sym})+
%%
struct expr_scanner_ctx *sctx = expr_get_extra(yyscanner);