| 1 | |
| 2 |
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| 3 | PERF_RECORD_LOGS=()
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| 4 |
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| 5 | perf_record_with_retry() {
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| 6 | local perfdata="$1"
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| 7 | local check_cmd="$2"
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| 8 | local testprog_base="$3"
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| 9 | shift 3
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| 10 |
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| 11 | local logfile
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| 12 | logfile=$(mktemp /tmp/__perf_record_retry.XXXXXX)
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| 13 | PERF_RECORD_LOGS+=("$logfile")
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| 14 |
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| 15 | |
| 16 | local save_e
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| 17 | if [[ $- == *e* ]]; then
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| 18 | save_e="set -e"
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| 19 | else
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| 20 | save_e="set +e"
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| 21 | fi
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| 22 | set +e
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| 23 |
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| 24 | local duration
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| 25 | local first_run=true
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| 26 | local ret=1
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| 27 | local cmd_prefix="perf record"
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| 28 | if [ -n "${PERF_RECORD_CMD}" ]; then
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| 29 | cmd_prefix="${PERF_RECORD_CMD}"
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| 30 | fi
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| 31 |
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| 32 | for duration in 0.01 0.1 0.3 1.0 2.0; do
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| 33 | rm -f "${perfdata}".old
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| 34 | ${cmd_prefix} "$@" -o "${perfdata}" ${testprog_base} ${duration} > "$logfile" 2>&1
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| 35 | local record_exit=$?
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| 36 |
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| 37 | if [ "$first_run" = true ] && [ $record_exit -ne 0 ]; then
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| 38 | ret=2
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| 39 | break
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| 40 | fi
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| 41 | first_run=false
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| 42 |
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| 43 | if [ -e "${perfdata}" ] && eval "${check_cmd}"; then
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| 44 | ret=0
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| 45 | break
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| 46 | fi
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| 47 | done
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| 48 |
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| 49 | eval "$save_e"
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| 50 | return $ret
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| 51 | }
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| 52 |
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| 53 | perf_record_cleanup() {
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| 54 | for logfile in "${PERF_RECORD_LOGS[@]}"; do
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| 55 | rm -f "$logfile"
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| 56 | done
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| 57 | PERF_RECORD_LOGS=()
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| 58 | }
|