File perf-list-allow-plurals-for-metric-metricgroup.... of Package perf.14061

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File perf-list-allow-plurals-for-metric-metricgroup.patch of Package perf.14061

From: Kim Phillips <kim.phillips@amd.com>
Date: Thu, 19 Sep 2019 15:43:05 -0500
Subject: perf list: Allow plurals for metric, metricgroup
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Git-commit: 8788d36950dae26074dc63b46eab3debb4b210b4
Patch-mainline: v5.4-rc1
References: git-fixes

Enhance usability by allowing the same plurality used in the output
title, for the command line parameter.

BEFORE, perf deceitfully acts as if there are no metrics to be had:

$ perf list metrics

List of pre-defined events (to be used in -e):

Metric Groups:

But singular 'metric' shows a list of metrics:

$ perf list metric

List of pre-defined events (to be used in -e):

Metrics:

IPC
         [Instructions Per Cycle (per logical thread)]
    UPI
         [Uops Per Instruction]

AFTER, when asking for 'metrics', we actually see the metrics get listed:

$ perf list metrics

List of pre-defined events (to be used in -e):

Metrics:

IPC
         [Instructions Per Cycle (per logical thread)]
    UPI
         [Uops Per Instruction]

Fixes: 71b0acce78d1 ("perf list: Add metric groups to perf list")
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Janakarajan Natarajan <janakarajan.natarajan@amd.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Luke Mujica <lukemujica@google.com>
Cc: Martin Liška <mliska@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20190919204306.12598-4-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Tony Jones <tonyj@suse.de>
---
 tools/perf/builtin-list.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index e290f6b348d8..08e62ae9d37e 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -81,9 +81,9 @@ int cmd_list(int argc, const char **argv)
 						long_desc_flag, details_flag);
 		else if (strcmp(argv[i], "sdt") == 0)
 			print_sdt_events(NULL, NULL, raw_dump);
-		else if (strcmp(argv[i], "metric") == 0)
+		else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0)
 			metricgroup__print(true, false, NULL, raw_dump, details_flag);
-		else if (strcmp(argv[i], "metricgroup") == 0)
+		else if (strcmp(argv[i], "metricgroup") == 0 || strcmp(argv[i], "metricgroups") == 0)
 			metricgroup__print(false, true, NULL, raw_dump, details_flag);
 		else if ((sep = strchr(argv[i], ':')) != NULL) {
 			int sep_idx;

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File perf-list-allow-plurals-for-metric-metricgroup.patch of Package perf.14061

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