linux-kernel - [PATCH 1/1] perf list: Fix --raw-dump option

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Message-Id: <1419872570-24843-1-git-send-email-tsgatesv@gmail.com>
Date:	Mon, 29 Dec 2014 12:02:50 -0500
From:	Taesoo Kim <tsgatesv@...il.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org
Cc:	taesoo@...ech.edu, namhyung@...nel.org,
	Taesoo Kim <tsgatesv@...il.com>
Subject: [PATCH 1/1] perf list: Fix --raw-dump option

Currently, 'perf list --raw-dump' requires extra arguments
(e.g., hw) to invoke, which breaks bash/zsh completion
(perf-completion.sh).

  $ perf list --raw-dump
    Error: unknown option `raw-dump'

     usage: perf list [hw|sw|cache|tracepoint|pmu|event_glob]

After,

  $ perf list --raw-dump
  cpu-cycles instructions cache-references cache-misses ...

Signed-off-by: Taesoo Kim <tsgatesv@...il.com>
---
 tools/perf/builtin-list.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 011195e..3783c28 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -16,10 +16,13 @@
 #include "util/pmu.h"
 #include "util/parse-options.h"
 
+static bool raw_dump = false;
+
 int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
 {
 	int i;
-	const struct option list_options[] = {
+	struct option list_options[] = {
+		OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
 		OPT_END()
 	};
 	const char * const list_usage[] = {
@@ -27,11 +30,18 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
 		NULL
 	};
 
+	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
+
 	argc = parse_options(argc, argv, list_options, list_usage,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
 
 	setup_pager();
 
+	if (raw_dump) {
+		print_events(NULL, true);
+		return 0;
+	}
+
 	if (argc == 0) {
 		print_events(NULL, false);
 		return 0;
@@ -53,8 +63,6 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
 			print_hwcache_events(NULL, false);
 		else if (strcmp(argv[i], "pmu") == 0)
 			print_pmu_events(NULL, false);
-		else if (strcmp(argv[i], "--raw-dump") == 0)
-			print_events(NULL, true);
 		else {
 			char *sep = strchr(argv[i], ':'), *s;
 			int sep_idx;
-- 
2.1.3

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