[PATCH 19/29] perf report: Use parse_options_usage() for -s option failure
From: Arnaldo Carvalho de Melo
Date: Mon Nov 04 2013 - 13:05:42 EST
From: Namhyung Kim <namhyung.kim@xxxxxxx>
The -s (--sort) option was processed after normal option parsing so that
it cannot call the parse_options_usage() automatically. Currently it
calls usage_with_options() which shows entire help messages for event
option. Fix it by showing just -s options.
$ perf report -s help
Error: Unknown --sort key: `help'
usage: perf report [<options>]
-s, --sort <key[,key2...]>
sort by key(s): pid, comm, dso, symbol, ...
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx>
Enthusiastically-Supported-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1383291195-24386-4-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-report.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 4df3161c7df2..25f83d5d66fd 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -947,8 +947,10 @@ repeat:
sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
}
- if (setup_sorting() < 0)
- usage_with_options(report_usage, options);
+ if (setup_sorting() < 0) {
+ parse_options_usage(report_usage, options, "s", 1);
+ goto error;
+ }
if (parent_pattern != default_parent_pattern) {
if (sort_dimension__add("parent") < 0)
--
1.8.1.4
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