tests/shell/record.sh

0001 #!/bin/sh
0002 # perf record tests
0003 # SPDX-License-Identifier: GPL-2.0
0004
0005 set -e
0006
0007 err=0
0008 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
0009
0010 cleanup() {
0011   rm -f ${perfdata}
0012   rm -f ${perfdata}.old
0013   trap - exit term int
0014 }
0015
0016 trap_cleanup() {
0017   cleanup
0018   exit 1
0019 }
0020 trap trap_cleanup exit term int
0021
0022 test_per_thread() {
0023   echo "Basic --per-thread mode test"
0024   if ! perf record -e instructions:u -o ${perfdata} --quiet true 2> /dev/null
0025   then
0026     echo "Per-thread record [Skipped instructions:u not supported]"
0027     if [ $err -ne 1 ]
0028     then
0029       err=2
0030     fi
0031     return
0032   fi
0033   if ! perf record -e instructions:u --per-thread -o ${perfdata} true 2> /dev/null
0034   then
0035     echo "Per-thread record of instructions:u [Failed]"
0036     err=1
0037     return
0038   fi
0039   if ! perf report -i ${perfdata} -q | egrep -q true
0040   then
0041     echo "Per-thread record [Failed missing output]"
0042     err=1
0043     return
0044   fi
0045   echo "Basic --per-thread mode test [Success]"
0046 }
0047
0048 test_register_capture() {
0049   echo "Register capture test"
0050   if ! perf list | egrep -q 'br_inst_retired.near_call'
0051   then
0052     echo "Register capture test [Skipped missing instruction]"
0053     if [ $err -ne 1 ]
0054     then
0055       err=2
0056     fi
0057     return
0058   fi
0059   if ! perf record --intr-regs=\? 2>&1 | egrep -q 'available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15'
0060   then
0061     echo "Register capture test [Skipped missing registers]"
0062     return
0063   fi
0064   if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
0065     -c 1000 --per-thread true 2> /dev/null \
0066     | perf script -F ip,sym,iregs -i - 2> /dev/null \
0067     | egrep -q "DI:"
0068   then
0069     echo "Register capture test [Failed missing output]"
0070     err=1
0071     return
0072   fi
0073   echo "Register capture test [Success]"
0074 }
0075
0076 test_per_thread
0077 test_register_capture
0078
0079 cleanup
0080 exit $err