87 lines
2.3 KiB
Bash
Executable file
87 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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source "$(dirname $0)/common.sh"
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TMP_FILE=$(mktemp)
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function get_perf_output {
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envtype=$1
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source $ENV_APPLY "$envtype" "dbg"
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LD_LIBRARY_PATH="$BENCH_DIR/eh_elfs:$LD_LIBRARY_PATH" \
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UNW_DEBUG_LEVEL=15 \
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perf report -i "$BENCH_DIR/perf.data" 2>$TMP_FILE >/dev/null
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deactivate
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}
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function count_successes {
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cat $TMP_FILE | tail -n 1 | sed 's/^.*, \([0-9]*\) calls.*$/\1/g'
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}
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function count_total_calls {
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cat $TMP_FILE | grep -c "^ >.*step:.* returning"
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}
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function count_errors {
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cat $TMP_FILE | grep -c "^ >.*step:.* returning -"
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}
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function count_eh_fallbacks {
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cat $TMP_FILE | grep -c "step:.* falling back"
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}
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function count_vanilla_fallbacks {
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cat $TMP_FILE | grep -c "step:.* frame-chain"
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}
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function count_fallbacks_to_dwarf {
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cat $TMP_FILE | grep -c "step:.* fallback with"
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}
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function count_fallbacks_failed {
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cat $TMP_FILE | grep -c "step:.* dwarf_step also failed"
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}
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function report {
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flavour="$1"
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status_report "$flavour issues distribution"
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successes=$(count_successes)
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failures=$(count_errors)
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total=$(count_total_calls)
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if [ "$flavour" = "eh_elf" ]; then
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fallbacks=$(count_eh_fallbacks)
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fallbacks_to_dwarf=$(count_fallbacks_to_dwarf)
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fallbacks_failed=$(count_fallbacks_failed)
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fallbacks_to_heuristics="$(( $fallbacks \
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- $fallbacks_to_dwarf \
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- $fallbacks_failed))"
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echo -e "* success:\t\t\t\t$successes"
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echo -e "* fallback to DWARF:\t\t\t$fallbacks_to_dwarf"
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echo -e "* fallback to libunwind heuristics:\t$fallbacks_to_heuristics"
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computed_sum=$(( $successes + $fallbacks - $fallbacks_failed + $failures ))
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else
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fallbacks=$(count_vanilla_fallbacks)
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successes=$(( $successes - $fallbacks ))
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echo -e "* success:\t\t\t\t$successes"
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echo -e "* fallback to libunwind heuristics:\t$fallbacks"
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computed_sum=$(( $successes + $fallbacks + $failures ))
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fi
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echo -e "* fail to unwind:\t\t\t$failures"
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echo -e "* total:\t\t\t\t$total"
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if [ "$computed_sum" -ne "$total" ] ; then
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echo "-- WARNING: missing cases (computed sum $computed_sum != $total) --"
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fi
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}
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# eh_elf stats
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get_perf_output "eh_elf"
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report "eh_elf"
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# Vanilla stats
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get_perf_output "vanilla"
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report "vanilla"
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rm "$TMP_FILE"
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