tools/perf/tests/shell/script.sh

   1 #!/bin/sh
   2 # perf script tests
   3 # SPDX-License-Identifier: GPL-2.0
   4
   5 set -e
   6
   7 temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX)
   8
   9 perfdatafile="${temp_dir}/perf.data"
  10 db_test="${temp_dir}/db_test.py"
  11
  12 err=0
  13
  14 cleanup()
  15 {
  16         trap - EXIT TERM INT
  17         sane=$(echo "${temp_dir}" | cut -b 1-21)
  18         if [ "${sane}" = "/tmp/perf-test-script" ] ; then
  19                 echo "--- Cleaning up ---"
  20                 rm -rf "${temp_dir:?}/"*
  21                 rmdir "${temp_dir}"
  22         fi
  23 }
  24
  25 trap_cleanup()
  26 {
  27         cleanup
  28         exit 1
  29 }
  30
  31 trap trap_cleanup EXIT TERM INT
  32
  33
  34 test_db()
  35 {
  36         echo "DB test"
  37
  38         # Check if python script is supported
  39         if perf version --build-options | grep python | grep -q OFF ; then
  40                 echo "SKIP: python scripting is not supported"
  41                 err=2
  42                 return
  43         fi
  44
  45         cat << "_end_of_file_" > "${db_test}"
  46 perf_db_export_mode = True
  47 perf_db_export_calls = False
  48 perf_db_export_callchains = True
  49
  50 def sample_table(*args):
  51     print(f'sample_table({args})')
  52
  53 def call_path_table(*args):
  54     print(f'call_path_table({args}')
  55 _end_of_file_
  56         case $(uname -m)
  57         in s390x)
  58                 cmd_flags="--call-graph dwarf -e cpu-clock";;
  59         *)
  60                 cmd_flags="-g";;
  61         esac
  62
  63         perf record $cmd_flags -o "${perfdatafile}" true
  64         # Disable lsan to avoid warnings about python memory leaks.
  65         export ASAN_OPTIONS=detect_leaks=0
  66         perf script -i "${perfdatafile}" -s "${db_test}"
  67         export ASAN_OPTIONS=
  68         echo "DB test [Success]"
  69 }
  70
  71 test_parallel_perf()
  72 {
  73         echo "parallel-perf test"
  74         if ! python3 --version >/dev/null 2>&1 ; then
  75                 echo "SKIP: no python3"
  76                 err=2
  77                 return
  78         fi
  79         pp=$(dirname "$0")/../../scripts/python/parallel-perf.py
  80         if [ ! -f "${pp}" ] ; then
  81                 echo "SKIP: parallel-perf.py script not found "
  82                 err=2
  83                 return
  84         fi
  85         perf_data="${temp_dir}/pp-perf.data"
  86         output1_dir="${temp_dir}/output1"
  87         output2_dir="${temp_dir}/output2"
  88         perf record -o "${perf_data}" --sample-cpu uname
  89         python3 "${pp}" -o "${output1_dir}" --jobs 4 --verbose -- perf script -i "${perf_data}"
  90         python3 "${pp}" -o "${output2_dir}" --jobs 4 --verbose --per-cpu -- perf script -i "${perf_data}"
  91         echo "parallel-perf test [Success]"
  92 }
  93
  94 test_db
  95 test_parallel_perf
  96
  97 cleanup
  98
  99 exit $err