[RFC PATCH v2 07/23] perf expr: debug lex if debugging yacc
flat view
STALE2205d
SUPERSEDED
From: Ian Rogers <irogers@google.com>
Date: 2020-05-07 14:08:41
Also in:
bpf, linux-perf-users, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Revision v2 of 5 in this series.
Revisions (5)
- rfc [diff vs current]
- v2 current
- v3 [diff vs current]
- v1 [diff vs current]
- v2
Only effects parser debugging (disabled by default). Enables displaying
'--accepting rule at line .. ("...").
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/expr.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index aa631e37ad1e..8b4ce704a68d 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c@@ -45,6 +45,7 @@ __expr__parse(double *val, struct expr_parse_ctx *ctx, const char *expr, #ifdef PARSER_DEBUG expr_debug = 1; + expr_set_debug(1, scanner); #endif ret = expr_parse(val, ctx, scanner);
--
2.26.2.526.g744177e7f7-goog