Claude
1745e14829
Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01HmvoHH3ZnCEaPNXRpDxDZe
17 lines
998 B
Bash
Executable File
17 lines
998 B
Bash
Executable File
#!/usr/bin/env bash
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# Counts stall-related events in the Shenandoah GC logs left in target/gclogs by bench-one.sh, and prints the
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# verbatim log lines for two of them. Output is committed as output/04-gc-events.txt.
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cd "$(dirname "$0")/../target/gclogs"
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echo "run cancelling_gc pause_full pause_degenerated failed_to_allocate"
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for f in shenandoah-satb-[1-5].log shenandoah-generational-[1-5].log; do
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printf "%-27s %13d %11d %18d %19d\n" "${f%.log}" \
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"$(grep -c 'Cancelling GC' "$f")" "$(grep -c 'Pause Full [0-9]' "$f")" \
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"$(grep -c 'Pause Degenerated.*ms$' "$f")" "$(grep -ci 'Failed to allocate' "$f")"
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done
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echo
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echo "== shenandoah-generational-4.log: what a 'Cancelling GC' line is (old marking preempted for a young cycle)"
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grep -m1 -B1 'Cancelling GC' shenandoah-generational-4.log | sed -E 's/^\[[^]]*\]//'
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echo
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echo "== shenandoah-generational-1.log: the Pause Full"
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grep -m1 'Pause Full [0-9]' shenandoah-generational-1.log | sed -E 's/^\[[^]]*\]//'
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