8788d36950
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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.