mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
658b34cc9f
Parameterize the basic testing to generate directly a perf.data file or to generate/use one from pipe input or output. To simplify the refactor move some of the head/grep logic around. Use "-q" with grep to make the test output cleaner. Signed-off-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20250311211635.541090-1-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
113 lines
2.7 KiB
Bash
Executable File
113 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
# perf annotate basic tests
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
set -e
|
|
|
|
shelldir=$(dirname "$0")
|
|
|
|
# shellcheck source=lib/perf_has_symbol.sh
|
|
. "${shelldir}"/lib/perf_has_symbol.sh
|
|
|
|
testsym="noploop"
|
|
|
|
skip_test_missing_symbol ${testsym}
|
|
|
|
err=0
|
|
perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
|
|
perfout=$(mktemp /tmp/__perf_test.perf.out.XXXXX)
|
|
testprog="perf test -w noploop"
|
|
# disassembly format: "percent : offset: instruction (operands ...)"
|
|
disasm_regex="[0-9]*\.[0-9]* *: *\w*: *\w*"
|
|
|
|
cleanup() {
|
|
rm -rf "${perfdata}" "${perfout}"
|
|
rm -rf "${perfdata}".old
|
|
|
|
trap - EXIT TERM INT
|
|
}
|
|
|
|
trap_cleanup() {
|
|
echo "Unexpected signal in ${FUNCNAME[1]}"
|
|
cleanup
|
|
exit 1
|
|
}
|
|
trap trap_cleanup EXIT TERM INT
|
|
|
|
test_basic() {
|
|
mode=$1
|
|
echo "${mode} perf annotate test"
|
|
if [ "x${mode}" == "xBasic" ]
|
|
then
|
|
perf record -o "${perfdata}" ${testprog} 2> /dev/null
|
|
else
|
|
perf record -o - ${testprog} 2> /dev/null > "${perfdata}"
|
|
fi
|
|
if [ "x$?" != "x0" ]
|
|
then
|
|
echo "${mode} annotate [Failed: perf record]"
|
|
err=1
|
|
return
|
|
fi
|
|
|
|
# Generate the annotated output file
|
|
if [ "x${mode}" == "xBasic" ]
|
|
then
|
|
perf annotate --no-demangle -i "${perfdata}" --stdio 2> /dev/null > "${perfout}"
|
|
else
|
|
perf annotate --no-demangle -i - --stdio 2> /dev/null < "${perfdata}" > "${perfout}"
|
|
fi
|
|
|
|
# check if it has the target symbol
|
|
if ! head -250 "${perfout}" | grep -q "${testsym}"
|
|
then
|
|
echo "${mode} annotate [Failed: missing target symbol]"
|
|
err=1
|
|
return
|
|
fi
|
|
|
|
# check if it has the disassembly lines
|
|
if ! head -250 "${perfout}" | grep -q "${disasm_regex}"
|
|
then
|
|
echo "${mode} annotate [Failed: missing disasm output from default disassembler]"
|
|
err=1
|
|
return
|
|
fi
|
|
|
|
# check again with a target symbol name
|
|
if [ "x${mode}" == "xBasic" ]
|
|
then
|
|
perf annotate --no-demangle -i "${perfdata}" "${testsym}" 2> /dev/null > "${perfout}"
|
|
else
|
|
perf annotate --no-demangle -i - "${testsym}" 2> /dev/null < "${perfdata}" > "${perfout}"
|
|
fi
|
|
|
|
if ! head -250 "${perfout}"| grep -q -m 3 "${disasm_regex}"
|
|
then
|
|
echo "${mode} annotate [Failed: missing disasm output when specifying the target symbol]"
|
|
err=1
|
|
return
|
|
fi
|
|
|
|
# check one more with external objdump tool (forced by --objdump option)
|
|
if [ "x${mode}" == "xBasic" ]
|
|
then
|
|
perf annotate --no-demangle -i "${perfdata}" --objdump=objdump 2> /dev/null > "${perfout}"
|
|
else
|
|
perf annotate --no-demangle -i - "${testsym}" 2> /dev/null < "${perfdata}" > "${perfout}"
|
|
fi
|
|
if ! head -250 "${perfout}" | grep -q -m 3 "${disasm_regex}"
|
|
then
|
|
echo "${mode} annotate [Failed: missing disasm output from non default disassembler (using --objdump)]"
|
|
err=1
|
|
return
|
|
fi
|
|
echo "${mode} annotate test [Success]"
|
|
}
|
|
|
|
test_basic Basic
|
|
test_basic Pipe
|
|
|
|
cleanup
|
|
exit $err
|