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Subject[PATCH 00/14] perf, diff: multiple perf.data file support
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hi,
adding support to display diff for more than 2 perf.data files.

The basic idea is describe in the initial RFC in here:
https://lkml.org/lkml/2012/11/28/200

It's rebased on current Arnaldo's perf core with Namhyung's
changes.

Attached patches:
01/14 perf diff: Use internal rb tree for hists__precompute
02/14 perf hists: Rename hist_entry__add_pair arguments
03/14 perf tools: Add struct perf_hpp_fmt into hpp callbacks
04/14 perf tools: Centralize default columns init in perf_hpp__init
05/14 perf diff: Introducing diff_data object to hold files
06/14 perf diff: Switching the base hists to be pairs head
07/14 perf hists: Marking dummy hists entries
08/14 perf diff: Display data file info ahead of the diff output
09/14 perf diff: Move diff related columns into diff command
10/14 perf diff: Move columns into struct data__file
11/14 perf diff: Change diff command to work over multiple data files
12/14 perf diff: Update perf diff documentation for multiple data comparison
13/14 perf diff: Making compute functions static
14/14 perf diff: Add generic order option for compute sorting

thanks,
jirka


Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/Documentation/perf-diff.txt | 79 +++++++++--
tools/perf/builtin-diff.c | 673 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------------
tools/perf/builtin-report.c | 1 -
tools/perf/ui/browsers/hists.c | 12 +-
tools/perf/ui/gtk/browser.c | 12 +-
tools/perf/ui/hist.c | 298 ++++++++++-------------------------------
tools/perf/ui/setup.c | 1 -
tools/perf/ui/stdio/hist.c | 4 +-
tools/perf/util/hist.c | 1 +
tools/perf/util/hist.h | 24 +---
tools/perf/util/sort.h | 9 +-
11 files changed, 717 insertions(+), 397 deletions(-)

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