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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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