linux-kernel - [PATCH v5 0/2] perf: add support for logging debug messages to file

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Message-Id: <20191018002757.4112-1-changbin.du@gmail.com>
Date:   Fri, 18 Oct 2019 08:27:55 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     Jiri Olsa <jolsa@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...il.com>
Subject: [PATCH v5 0/2] perf: add support for logging debug messages to file

When in TUI mode, it is impossible to show all the debug messages to
console. This make it hard to debug perf issues using debug messages.
This patch adds support for logging debug messages to file to resolve
this problem.

v5:
  o doc default log path.
v4:
  o fix another segfault.
v3:
  o fix a segfault issue.
v2:
  o specific all debug options one time.

Changbin Du (2):
  perf: support multiple debug options separated by ','
  perf: add support for logging debug messages to file

 tools/perf/Documentation/perf.txt |  16 ++--
 tools/perf/util/debug.c           | 124 ++++++++++++++++++++----------
 2 files changed, 92 insertions(+), 48 deletions(-)

-- 
2.20.1