aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorIan Rogers <[email protected]>2020-05-01 10:33:22 -0700
committerArnaldo Carvalho de Melo <[email protected]>2020-05-28 10:03:25 -0300
commit5b3141d02645a36ccf9f08a67e08e8186dfef12c (patch)
tree9e71259ee9a63c456d7d5fdc134c51c3740276d9
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 <[email protected]> Acked-by: Jiri Olsa <[email protected]> Tested-by: Kajol Jain <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Haiyan Song <[email protected]> Cc: Jin Yao <[email protected]> Cc: John Garry <[email protected]> Cc: Kan Liang <[email protected]> Cc: Leo Yan <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Clarke <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Ravi Bangoria <[email protected]> Cc: Song Liu <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-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);