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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859# SPDX-License-Identifier: GPL-2.0
PERF_RECORD_LOGS=()
perf_record_with_retry() { local perfdata="$1" local check_cmd="$2" local testprog_base="$3" shift 3
local logfile logfile=$(mktemp /tmp/__perf_record_retry.XXXXXX) PERF_RECORD_LOGS+=("$logfile")
# Save the e flag state and disable it local save_e if [[ $- == *e* ]]; then save_e="set -e" else save_e="set +e" fi set +e
local duration local first_run=true local ret=1 local cmd_prefix="perf record" if [ -n "${PERF_RECORD_CMD}" ]; then cmd_prefix="${PERF_RECORD_CMD}" fi
for duration in 0.01 0.1 0.3 1.0 2.0; do rm -f "${perfdata}".old ${cmd_prefix} "$@" -o "${perfdata}" ${testprog_base} ${duration} > "$logfile" 2>&1 local record_exit=$?
if [ "$first_run" = true ] && [ $record_exit -ne 0 ]; then ret=2 break fi first_run=false
if [ -e "${perfdata}" ] && eval "${check_cmd}"; then ret=0 break fi done
eval "$save_e" return $ret}
perf_record_cleanup() { for logfile in "${PERF_RECORD_LOGS[@]}"; do rm -f "$logfile" done PERF_RECORD_LOGS=()}