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|
#!/bin/sh
# perf record tests
# SPDX-License-Identifier: GPL-2.0
set -e
err=0
perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
cleanup() {
rm -f ${perfdata}
rm -f ${perfdata}.old
trap - exit term int
}
trap_cleanup() {
cleanup
exit 1
}
trap trap_cleanup exit term int
test_per_thread() {
echo "Basic --per-thread mode test"
if ! perf record -e instructions:u -o ${perfdata} --quiet true 2> /dev/null
then
echo "Per-thread record [Skipped instructions:u not supported]"
if [ $err -ne 1 ]
then
err=2
fi
return
fi
if ! perf record -e instructions:u --per-thread -o ${perfdata} true 2> /dev/null
then
echo "Per-thread record of instructions:u [Failed]"
err=1
return
fi
if ! perf report -i ${perfdata} -q | egrep -q true
then
echo "Per-thread record [Failed missing output]"
err=1
return
fi
echo "Basic --per-thread mode test [Success]"
}
test_register_capture() {
echo "Register capture test"
if ! perf list | egrep -q 'br_inst_retired.near_call'
then
echo "Register capture test [Skipped missing instruction]"
if [ $err -ne 1 ]
then
err=2
fi
return
fi
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'
then
echo "Register capture test [Skipped missing registers]"
return
fi
if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
-c 1000 --per-thread true 2> /dev/null \
| perf script -F ip,sym,iregs -i - 2> /dev/null \
| egrep -q "DI:"
then
echo "Register capture test [Failed missing output]"
err=1
return
fi
echo "Register capture test [Success]"
}
test_per_thread
test_register_capture
cleanup
exit $err
|
