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Kim Phillips 8788d36950 perf list: Allow plurals for metric, metricgroup 
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: 71b0acce78 ("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>
 		2019-09-25 09:51:42 -03:00
..
Documentation perf report: Add --switch-on/--switch-off events 2019-08-16 12:14:33 -03:00
arch perf/core improvements and fixes: 2019-09-20 18:16:42 +02:00
bench perf env: Remove needless cpumap.h header 2019-09-20 09:19:21 -03:00
examples/bpf perf augmented_raw_syscalls: Reduce perf_event_output() boilerplate 2019-08-26 11:58:29 -03:00
include/bpf perf include bpf: Add bpf_tail_call() prototype 2019-07-29 18:34:40 -03:00
jvmti perf jvmti: Link against tools/lib/string.o to have weak strlcpy() 2019-09-20 09:18:45 -03:00
lib libperf: Adopt perf_cpu_map__max() function 2019-09-10 14:33:32 +01:00
pmu-events perf vendor events: Minor fixes to the README 2019-09-25 09:51:42 -03:00
python treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 407 2019-06-05 17:37:14 +02:00
scripts perf tools: Remove perf.h from source files not needing it 2019-08-29 17:38:32 -03:00
tests perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
trace perf trace beauty ioctl: Fix off-by-one error in cmd->string table 2019-08-26 11:58:29 -03:00
ui perf tools: Move event synthesizing routines to separate header 2019-09-20 09:19:22 -03:00
util perf record: Fix priv level with branch sampling for paranoid=2 2019-09-23 11:15:46 -03:00
.gitignore perf: Update .gitignore file 2019-08-31 22:27:52 -03:00
Build perf tools: Rename build libperf to perf 2019-02-14 15:18:08 -03:00
CREDITS
…
MANIFEST tools lib: Adopt zalloc()/zfree() from tools/perf 2019-07-09 10:13:26 -03:00
Makefile perf tools: Disable parallelism for 'make clean' 2018-08-20 08:54:58 -03:00
Makefile.config Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-09-16 17:06:21 -07:00
Makefile.perf perf python: Add missing python/perf.so dependency for libperf 2019-09-10 14:33:32 +01:00
builtin-annotate.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-bench.c perf tools: Remove perf.h from source files not needing it 2019-08-29 17:38:32 -03:00
builtin-buildid-cache.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-buildid-list.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-c2c.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-config.c perf tools: Remove util.h from where it is not needed 2019-09-20 09:19:20 -03:00
builtin-data.c perf debug: Remove needless include directives from debug.h 2019-08-31 19:10:19 -03:00
builtin-diff.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-evlist.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-ftrace.c perf auxtrace: Uninline functions that touch perf_session 2019-08-31 22:24:10 -03:00
builtin-help.c perf debug: Remove needless include directives from debug.h 2019-08-31 19:10:19 -03:00
builtin-inject.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-kallsyms.c perf dsos: Move the dsos struct and its methods to separate source files 2019-08-31 22:24:10 -03:00
builtin-kmem.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-kvm.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-list.c perf list: Allow plurals for metric, metricgroup 2019-09-25 09:51:42 -03:00
builtin-lock.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-mem.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-probe.c perf probe: No need for symbol.h, symbol_conf is enough 2019-08-31 22:24:10 -03:00
builtin-record.c perf record: Move restricted maps check to after a possible fallback to not collect kernel samples 2019-09-23 11:15:46 -03:00
builtin-report.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-sched.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-script.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-stat.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-timechart.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-top.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-trace.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-version.c perf symbols: Move mem_info and branch_info out of symbol.h 2019-08-31 22:27:48 -03:00
builtin.h perf tools: Remove needless util.h include from builtin.h 2019-08-28 17:19:34 -03:00
check-headers.sh perf build: Ignore intentional differences for the x86 insn decoder 2019-08-31 22:27:52 -03:00
command-list.txt perf help: Add missing subcommand `version` 2018-09-19 14:53:36 -03:00
design.txt perf/doc: Update design.txt for exclude_{host|guest} flags 2019-01-21 11:01:18 +01:00
perf-archive.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf-completion.sh perf tools: Auto-complete for events with ':' 2017-12-27 12:16:00 -03:00
perf-read-vdso.c perf tools: Make find_vdso_map() more modular 2019-01-08 13:28:13 -03:00
perf-sys.h perf tools: Move everything related to sys_perf_event_open() to perf-sys.h 2019-08-29 17:38:32 -03:00
perf-with-kcore.sh Merge branch 'x86/cpu' into perf/core, to pick up dependent changes 2019-06-17 12:29:16 +02:00
perf.c perf tools: Remove util.h from where it is not needed 2019-09-20 09:19:20 -03:00
perf.h perf time-utils: Adopt rdclock() from perf.h 2019-08-29 17:38:32 -03:00