linux-kernel - [PATCH 0/5] perf tools: Add support for multiline headers and spans

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Date:	Sun,  7 Aug 2016 17:28:25 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 0/5] perf tools: Add support for multiline headers and spans

hi,
the c2c output readability heavily depends on headers
being displayed on multiple lines and allowing span
of some headers over multiple columns, like:

#                                Total     %All             Total  ----- Core Load Hit -----  -- LLC Load Hit --  ----- LLC Load Hitm -----
# Index             Cacheline  records  Ld Miss    %hitm    Loads       FB       L1       L2       Llc       Rmt    Total      Lcl      Rmt
# .....  ....................  .......  .......  .......  .......  .......  .......  .......  ........  ........  .......  .......  .......
#
      0        0x7fbe65acee00      203    2.37%    3.34%      162       26       72        0        20         2       39       11       28


I haven't found use for this under current perf code,
so there's no actual current user in perf code of
those features.

Also available in:
  git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
  perf/fixes

thanks,
jirka

---
Jiri Olsa (5):
      perf tools: Introduce nr_header_lines into struct perf_hpp_list
      perf tools: Add line argument into perf_hpp_fmt's header callback
      perf tools tui: Display multiple header lines
      perf tools stdio: Display multiple header lines
      perf tools: Add support for header span

 tools/perf/builtin-diff.c      |  4 +++-
 tools/perf/ui/browsers/hists.c | 48 +++++++++++++++++++++++++++++++++++-------------
 tools/perf/ui/gtk/hists.c      |  2 +-
 tools/perf/ui/hist.c           |  4 +++-
 tools/perf/ui/stdio/hist.c     | 45 ++++++++++++++++++++++++++++++++-------------
 tools/perf/util/hist.h         |  3 ++-
 tools/perf/util/sort.c         |  7 +++++--
 7 files changed, 81 insertions(+), 32 deletions(-)