linux-kernel - [PATCH] perf: dynamically change verbosity level in perf top

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Date:   Wed, 12 Oct 2016 23:48:22 +0200
From:   Alexis Berlemont <alexis.berlemont@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Alexis Berlemont <alexis.berlemont@...il.com>,
        peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com
Subject: [PATCH] perf: dynamically change verbosity level in perf top

Hi,

Here is a small patch which tries to fulfill a point in the perf todo
list:

* Make pressing 'V' multiple times to go on cycling thru various
  verbosity levels in 'perf top', so that info that is present in
  'perf top -v' can be obtained without having to restart the tool
  (acme).

After a small grep in the code, the max verbosity level seems 3; so,
we cycle at 4; I did not dare define a MAX_VERBOSE_LEVEL constant.

Alexis.

Alexis Berlemont (1):
  perf: dynamically change verbosity level in perf top

 tools/perf/ui/browsers/hists.c |  5 ++++-
 tools/perf/util/map.c          | 17 ++++++++++++-----
 2 files changed, 16 insertions(+), 6 deletions(-)

-- 
2.10.0