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feat(reexecution): add optional profiling support to benchmarking script #4791

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feat(reexecution): add optional profiling support to benchmarking script #4791

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0320a41
feat(reexecution): add optional profiling support to benchmarking script
Elvis339 Dec 25, 2025
00229f3
refactor(benchmarking): simplify profiling logic in c-chain benchmark…
Elvis339 Dec 25, 2025
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1 change: 1 addition & 0 deletions Taskfile.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,7 @@ tasks:
# - METRICS_SERVER_PORT (monitoring config)
# - METRICS_SERVER_ENABLED (runtime monitoring decision)
# - METRICS_COLLECTOR_ENABLED (runtime monitoring decision)
# - PROFILE (runtime profiling decision, see benchmark_cchain_range.sh for details)
# - PROMETHEUS_URL, PROMETHEUS_USERNAME, PROMETHEUS_PASSWORD (monitoring config)
# - GH_REPO, GH_WORKFLOW, GH_RUN_ID, etc. (GitHub context)

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20 changes: 15 additions & 5 deletions scripts/benchmark_cchain_range.sh
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Expand Up @@ -14,13 +14,22 @@ set -euo pipefail
# METRICS_SERVER_ENABLED (optional): If set, enables the metrics server.
# METRICS_SERVER_PORT (optional): If set, determines the port the metrics server will listen to.
# METRICS_COLLECTOR_ENABLED (optional): If set, enables the metrics collector.
# PROFILE (optional, bool): If set, build with debug symbols and enable pprof.

: "${BLOCK_DIR:?BLOCK_DIR must be set}"
: "${CURRENT_STATE_DIR:?CURRENT_STATE_DIR must be set}"
: "${START_BLOCK:?START_BLOCK must be set}"
: "${END_BLOCK:?END_BLOCK must be set}"
RUN_ARGS=()
if [[ "${PROFILE:-}" == "true" ]]; then
# Build with debug symbols for profiling (pprof, perf, samply, Instruments).
# -gcflags="all=-N -l":
# -N: Disable optimizations so variable values are preserved in debugger
# -l: Disable inlining so all function calls appear in stack traces
# -ldflags="-compressdwarf=false":
# Keep DWARF debug info uncompressed so profilers can read symbols
RUN_ARGS+=('-gcflags=all=-N -l' '-ldflags=-compressdwarf=false')
fi

go run github.com/ava-labs/avalanchego/tests/reexecute/c \
# -fno-omit-frame-pointer: Preserve frame pointers for stack unwinding (required for profilers to walk the call stack)
# -g: Include debug symbols in C/FFI code (Rust FFI visibility)
CGO_CFLAGS="-fno-omit-frame-pointer -g" go run "${RUN_ARGS[@]}" github.com/ava-labs/avalanchego/tests/reexecute/c \
--block-dir="${BLOCK_DIR}" \
--current-state-dir="${CURRENT_STATE_DIR}" \
${RUNNER_TYPE:+--runner="${RUNNER_TYPE}"} \
Expand All @@ -32,3 +41,4 @@ go run github.com/ava-labs/avalanchego/tests/reexecute/c \
${METRICS_SERVER_ENABLED:+--metrics-server-enabled="${METRICS_SERVER_ENABLED}"} \
${METRICS_SERVER_PORT:+--metrics-server-port="${METRICS_SERVER_PORT}"} \
${METRICS_COLLECTOR_ENABLED:+--metrics-collector-enabled="${METRICS_COLLECTOR_ENABLED}"}
# ${PROFILE:+--pprof}
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@Elvis339 Elvis339 Dec 25, 2025

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Requires merging #4790

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