tools/perf/tests/shell/diff.sh

   1 #!/bin/sh
   2 # perf diff tests
   3 # SPDX-License-Identifier: GPL-2.0
   4
   5 set -e
   6
   7 err=0
   8 perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
   9 perfdata2=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
  10 perfdata3=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
  11 testprog="perf test -w thloop"
  12
  13 shelldir=$(dirname "$0")
  14 # shellcheck source=lib/perf_has_symbol.sh
  15 . "${shelldir}"/lib/perf_has_symbol.sh
  16
  17 testsym="test_loop"
  18
  19 skip_test_missing_symbol ${testsym}
  20
  21 cleanup() {
  22   rm -rf "${perfdata1}"
  23   rm -rf "${perfdata1}".old
  24   rm -rf "${perfdata2}"
  25   rm -rf "${perfdata2}".old
  26   rm -rf "${perfdata3}"
  27   rm -rf "${perfdata3}".old
  28
  29   trap - EXIT TERM INT
  30 }
  31
  32 trap_cleanup() {
  33   cleanup
  34   exit 1
  35 }
  36 trap trap_cleanup EXIT TERM INT
  37
  38 make_data() {
  39   file="$1"
  40   if ! perf record -o "${file}" ${testprog} 2> /dev/null
  41   then
  42     echo "Workload record [Failed record]"
  43     echo 1
  44     return
  45   fi
  46   if ! perf report -i "${file}" -q | grep -q "${testsym}"
  47   then
  48     echo "Workload record [Failed missing output]"
  49     echo 1
  50     return
  51   fi
  52   echo 0
  53 }
  54
  55 test_two_files() {
  56   echo "Basic two file diff test"
  57   err=$(make_data "${perfdata1}")
  58   if [ $err != 0 ]
  59   then
  60     return
  61   fi
  62   err=$(make_data "${perfdata2}")
  63   if [ $err != 0 ]
  64   then
  65     return
  66   fi
  67
  68   if ! perf diff "${perfdata1}" "${perfdata2}" | grep -q "${testsym}"
  69   then
  70     echo "Basic two file diff test [Failed diff]"
  71     err=1
  72     return
  73   fi
  74   echo "Basic two file diff test [Success]"
  75 }
  76
  77 test_three_files() {
  78   echo "Basic three file diff test"
  79   err=$(make_data "${perfdata1}")
  80   if [ $err != 0 ]
  81   then
  82     return
  83   fi
  84   err=$(make_data "${perfdata2}")
  85   if [ $err != 0 ]
  86   then
  87     return
  88   fi
  89   err=$(make_data "${perfdata3}")
  90   if [ $err != 0 ]
  91   then
  92     return
  93   fi
  94
  95   if ! perf diff "${perfdata1}" "${perfdata2}" "${perfdata3}" | grep -q "${testsym}"
  96   then
  97     echo "Basic three file diff test [Failed diff]"
  98     err=1
  99     return
 100   fi
 101   echo "Basic three file diff test [Success]"
 102 }
 103
 104 test_two_files
 105 test_three_files
 106
 107 cleanup
 108 exit $err