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Namhyung Kim e9d848cb65 perf diff: Fix duplicated output column 
The commit b97511c5bc ("perf tools: Add overhead/overhead_children
keys defaults via string") moved initialization of column headers but it
missed to check the sort__mode.  As 'perf diff' doesn't call
perf_hpp__init(), the setup_overhead() also should not be called.

Before:

  # Baseline    Delta  Children  Overhead  Shared Object        Symbol
  # ........  .......  ........  ........  ...................  .......................
  #
      28.48%  -28.47%    28.48%    28.48%  [kernel.vmlinux ]    [k] intel_idle
      11.51%  -11.47%    11.51%    11.51%  libxul.so            [.] 0x0000000001a360f7
       3.49%   -3.49%     3.49%     3.49%  [kernel.vmlinux]     [k] generic_exec_single
       2.91%   -2.89%     2.91%     2.91%  libdbus-1.so.3.8.11  [.] 0x000000000000cdc2
       2.86%   -2.85%     2.86%     2.86%  libxcb.so.1.1.0      [.] 0x000000000000c890
       2.44%   -2.39%     2.44%     2.44%  [kernel.vmlinux]     [k] perf_event_aux_ctx

After:

  # Baseline    Delta  Shared Object        Symbol
  # ........  .......  ...................  .......................
  #
      28.48%  -28.47%  [kernel.vmlinux]     [k] intel_idle
      11.51%  -11.47%  libxul.so            [.] 0x0000000001a360f7
       3.49%   -3.49%  [kernel.vmlinux]     [k] generic_exec_single
       2.91%   -2.89%  libdbus-1.so.3.8.11  [.] 0x000000000000cdc2
       2.86%   -2.85%  libxcb.so.1.1.0      [.] 0x000000000000c890
       2.44%   -2.39%  [kernel.vmlinux]     [k] perf_event_aux_ctx

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: <stable@vger.kernel.org> # 4.5+
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: b97511c5bc ("perf tools: Add overhead/overhead_children keys defaults via string")
Link: http://lkml.kernel.org/r/1462890384-12486-2-git-send-email-acme@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-05-11 16:55:32 +02:00
..
arch
build tools build: Use .s extension for preprocessed assembler code 2016-03-03 11:10:37 -03:00
cgroup
firewire
gpio gpio: present the consumer of a line to userspace 2016-02-25 21:07:23 +01:00
hv tools/hv: Use include/uapi with __EXPORTED_HEADERS__ 2016-02-07 21:34:12 -08:00
iio
include Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-24 10:02:14 -07:00
laptop/freefall
lguest
lib tools/lib/lockdep: Fix unsupported 'basename -s' in run_tests.sh 2016-03-30 12:45:56 +02:00
net tools: bpf_jit_disasm: check for klogctl failure 2016-05-08 23:32:59 -04:00
nfsd
objtool objtool: Detect falling through to the next function 2016-04-16 11:14:17 +02:00
perf perf diff: Fix duplicated output column 2016-05-11 16:55:32 +02:00
power Merge branches 'pm-core', 'powercap' and 'pm-tools' 2016-04-08 21:46:56 +02:00
scripts tools: Move utilities.mak from perf to tools/scripts/ 2016-03-18 13:57:20 -03:00
spi spi: spidev_test: Fix typo in error message 2015-12-08 17:58:56 +00:00
testing soreuseport: test mixed v4/v6 sockets 2016-04-14 21:14:04 -04:00
thermal/tmon tools/thermal: tmon: use pkg-config also for CFLAGS 2015-10-10 11:32:31 +08:00
time
usb usb: patches for v4.4 merge window 2015-10-22 17:19:33 -07:00
virtio virtio_ring: Support DMA APIs 2016-03-02 17:01:57 +02:00
vm tools/vm/page-types.c: avoid memset() in walk_pfn() when count == 1 2016-03-17 15:09:34 -07:00
Makefile Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-20 18:23:21 -07:00