annotate.sh

  1#!/bin/bash
  2# perf annotate basic tests
  3# SPDX-License-Identifier: GPL-2.0
  4
  5set -e
  6
  7shelldir=$(dirname "$0")
  8
  9# shellcheck source=lib/perf_has_symbol.sh
 10. "${shelldir}"/lib/perf_has_symbol.sh
 11
 12testsym="noploop"
 13
 14skip_test_missing_symbol ${testsym}
 15
 16err=0
 17perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
 18perfout=$(mktemp /tmp/__perf_test.perf.out.XXXXX)
 19testprog="perf test -w noploop"
 20# disassembly format: "percent : offset: instruction (operands ...)"
 21disasm_regex="[0-9]*\.[0-9]* *: *\w*: *\w*"
 22
 23cleanup() {
 24  rm -rf "${perfdata}" "${perfout}"
 25  rm -rf "${perfdata}".old
 26
 27  trap - EXIT TERM INT
 28}
 29
 30trap_cleanup() {
 31  echo "Unexpected signal in ${FUNCNAME[1]}"
 32  cleanup
 33  exit 1
 34}
 35trap trap_cleanup EXIT TERM INT
 36
 37test_basic() {
 38  mode=$1
 39  echo "${mode} perf annotate test"
 40  if [ "x${mode}" == "xBasic" ]
 41  then
 42    perf record -o "${perfdata}" ${testprog} 2> /dev/null
 43  else
 44    perf record -o - ${testprog} 2> /dev/null > "${perfdata}"
 45  fi
 46  if [ "x$?" != "x0" ]
 47  then
 48    echo "${mode} annotate [Failed: perf record]"
 49    err=1
 50    return
 51  fi
 52
 53  # Generate the annotated output file
 54  if [ "x${mode}" == "xBasic" ]
 55  then
 56    perf annotate --no-demangle -i "${perfdata}" --stdio --percent-limit 10 2> /dev/null > "${perfout}"
 57  else
 58    perf annotate --no-demangle -i - --stdio 2> /dev/null --percent-limit 10 < "${perfdata}" > "${perfout}"
 59  fi
 60
 61  # check if it has the target symbol
 62  if ! grep -q "${testsym}" "${perfout}"
 63  then
 64    echo "${mode} annotate [Failed: missing target symbol]"
 65    cat "${perfout}"
 66    err=1
 67    return
 68  fi
 69
 70  # check if it has the disassembly lines
 71  if ! grep -q "${disasm_regex}" "${perfout}"
 72  then
 73    echo "${mode} annotate [Failed: missing disasm output from default disassembler]"
 74    err=1
 75    return
 76  fi
 77
 78  # check again with a target symbol name
 79  if [ "x${mode}" == "xBasic" ]
 80  then
 81    perf annotate --no-demangle -i "${perfdata}" "${testsym}" 2> /dev/null > "${perfout}"
 82  else
 83    perf annotate --no-demangle -i - "${testsym}" 2> /dev/null < "${perfdata}" > "${perfout}"
 84  fi
 85
 86  if ! head -250 "${perfout}"| grep -q -m 3 "${disasm_regex}"
 87  then
 88    echo "${mode} annotate [Failed: missing disasm output when specifying the target symbol]"
 89    err=1
 90    return
 91  fi
 92
 93  # check one more with external objdump tool (forced by --objdump option)
 94  if [ "x${mode}" == "xBasic" ]
 95  then
 96    perf annotate --no-demangle -i "${perfdata}" --percent-limit 10 --objdump=objdump 2> /dev/null > "${perfout}"
 97  else
 98    perf annotate --no-demangle -i - "${testsym}" --percent-limit 10 --objdump=objdump 2> /dev/null < "${perfdata}" > "${perfout}"
 99  fi
100  if ! grep -q -m 3 "${disasm_regex}" "${perfout}"
101  then
102    echo "${mode} annotate [Failed: missing disasm output from non default disassembler (using --objdump)]"
103    err=1
104    return
105  fi
106  echo "${mode} annotate test [Success]"
107}
108
109test_basic Basic
110test_basic Pipe
111
112cleanup
113exit $err