tools/perf/Documentation/perf-diff.txt

   1 perf-diff(1)
   2 ==============
   3
   4 NAME
   5 ----
   6 perf-diff - Read two perf.data files and display the differential profile
   7
   8 SYNOPSIS
   9 --------
  10 [verse]
  11 'perf diff' [oldfile] [newfile]
  12
  13 DESCRIPTION
  14 -----------
  15 This command displays the performance difference amongst two perf.data files
  16 captured via perf record.
  17
  18 If no parameters are passed it will assume perf.data.old and perf.data.
  19
  20 OPTIONS
  21 -------
  22 -p::
  23 --percentage::
  24         Show percentages instead of raw counts
  25 -v::
  26 --verbose::
  27         Be verbose, for instance, show the raw counts in addition to the
  28         diff.
  29
  30 SEE ALSO
  31 --------
  32 linkperf:perf-record[1]