perf annotate: Finally display IPC and cycle accounting
authorAndi Kleen <ak@linux.intel.com>
Sat, 18 Jul 2015 15:24:51 +0000 (08:24 -0700)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 6 Aug 2015 19:37:22 +0000 (16:37 -0300)
commitf8f4aaead579c947fb8fc051c9d242037025caf3
tree0835c664d541fff8e462735336dbf3081b7f116c
parent30e863bb6f708c0abd422fbb0e6b295f5ee6407b
perf annotate: Finally display IPC and cycle accounting

Add two new columns to the annotate display and display the average
cycles and the compute IPC if available.

When the LBR was not in any branch mode the IPC computation is
automatically disabled. We still display the cycle information.

Example output (with made up numbers):

The second column is the IPC and third average cycles.

                 │    __attribute__((noinline)) f2()
                 │    {
  5.15  0.07     │       push   %rbp
  0.01  0.07     │       mov    %rsp,%rbp
                 │            c = a / b;
  9.87  0.07     │       mov    a,%eax
        0.07     │       mov    b,%ecx
        0.07     │       cltd
  4.92  0.07  123│       idiv   %ecx
 70.79  0.07     │       mov    %eax,__TMC_END__
                 │    }
  9.25  0.07     │       pop    %rbp
  0.01  0.07  123│     ← retq

v2: Fix display problems.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1437233094-12844-7-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/ui/browsers/annotate.c