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90 changes: 58 additions & 32 deletions .github/workflows/scripts/analyze-saturation-scaling.py
Original file line number Diff line number Diff line change
Expand Up @@ -240,48 +240,74 @@ def main():
sys.exit(1)

# Find saturation test result directories using specific glob pattern
# These directories are named: continuous_saturation_1core, continuous_saturation_2core, etc.
throughputs: dict[int, float] = {}
# These directories are named: continuous_saturation_1core_otlp, continuous_saturation_1core_otap, etc.
# Also support legacy format without protocol suffix: continuous_saturation_1core

saturation_dirs = list(results_base.glob("continuous_saturation_*core"))
if not saturation_dirs:
print("No saturation test results found (looking for continuous_saturation_*core directories)", file=sys.stderr)
sys.exit(0)
all_benchmark_data = []
scenarios_found = []

for entry in sorted(saturation_dirs):
core_count = extract_core_count(entry.name)
if core_count is None:
continue
# Check for protocol-specific directories (new format)
for protocol in ["otlp", "otap"]:
throughputs: dict[int, float] = {}

result_file, throughput = find_result_file(entry)
if result_file is None or throughput is None:
print(f"Warning: No valid result file found for {entry.name}", file=sys.stderr)
saturation_dirs = list(results_base.glob(f"continuous_saturation_*core_{protocol}"))
if not saturation_dirs:
continue

throughputs[core_count] = throughput
print(f"Found: {core_count} core(s) -> {format_number(throughput)} logs/sec", file=sys.stderr)

# Compute scaling efficiency
efficiencies = compute_scaling_efficiency(throughputs)

# Print the report
print_scaling_report(throughputs, efficiencies)
scenarios_found.append(protocol.upper())
print(f"\n{'='*40}", file=sys.stderr)
print(f"Processing {protocol.upper()} scenario", file=sys.stderr)
print(f"{'='*40}", file=sys.stderr)

for entry in sorted(saturation_dirs):
# Extract core count from directory name like continuous_saturation_4core_otlp
match = re.search(r'continuous_saturation_(\d+)core', entry.name)
if not match:
continue
core_count = int(match.group(1))

result_file, throughput = find_result_file(entry)
if result_file is None or throughput is None:
print(f"Warning: No valid result file found for {entry.name}", file=sys.stderr)
continue

throughputs[core_count] = throughput
print(f"Found: {core_count} core(s) -> {format_number(throughput)} logs/sec", file=sys.stderr)

if throughputs:
# Compute scaling efficiency
efficiencies = compute_scaling_efficiency(throughputs)

# Print the report with protocol label
print(f"\n\n{'#'*80}")
print(f"# {protocol.upper()} SCENARIO")
print(f"{'#'*80}")
print_scaling_report(throughputs, efficiencies)

# Generate benchmark data with protocol prefix
benchmark_data = generate_benchmark_json(throughputs, efficiencies)
for entry in benchmark_data:
entry["name"] = f"{protocol}_{entry['name']}"
entry["extra"] = f"[{protocol.upper()}] {entry['extra']}"
all_benchmark_data.extend(benchmark_data)

if not scenarios_found:
print("No saturation test results found (looking for continuous_saturation_*core_otlp/otap directories)", file=sys.stderr)
sys.exit(0)

# Generate and save benchmark JSON if output path provided
if output_json_path:
benchmark_data = generate_benchmark_json(throughputs, efficiencies)
# Save benchmark JSON if output path provided
if output_json_path and all_benchmark_data:
with open(output_json_path, 'w') as f:
json.dump(benchmark_data, f, indent=2)
json.dump(all_benchmark_data, f, indent=2)
print(f"Benchmark JSON written to: {output_json_path}", file=sys.stderr)

# Exit with non-zero if scaling is poor (for CI alerting)
multi_core_efficiencies = [e for c, e in efficiencies.items() if c > 1]
if multi_core_efficiencies:
avg_efficiency = sum(multi_core_efficiencies) / len(multi_core_efficiencies)
if avg_efficiency < 0.50:
print("Warning: Very poor scaling efficiency detected!", file=sys.stderr)
# Don't fail the build, just warn
# sys.exit(1)
# Check all scenarios
if all_benchmark_data:
avg_entries = [e for e in all_benchmark_data if "efficiency_avg" in e["name"]]
for entry in avg_entries:
if entry["value"] < 0.50:
print(f"Warning: Very poor scaling efficiency detected for {entry['name']}!", file=sys.stderr)


if __name__ == "__main__":
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -71,11 +71,22 @@ tests:
from_template:
path: test_suites/integration/templates/test_steps/df-loadgen-steps-docker.yaml
variables:
result_dir: "continuous_saturation_{{num_cores}}core"
result_dir: "continuous_saturation_{{num_cores}}core_otlp"
engine_config_template: test_suites/integration/templates/configs/engine/backpressure/otlp-attr-otlp.yaml
loadgen_exporter_type: otlp
backend_receiver_type: otlp
observation_interval: 60
signals_per_second: null # Using null means loadgen don't self-cap the rate.
max_batch_size: {{max_batch_size}}
- name: OTAP-ATTR-OTAP
from_template:
path: test_suites/integration/templates/test_steps/df-loadgen-steps-docker.yaml
variables:
result_dir: "continuous_saturation_{{num_cores}}core_otap"
engine_config_template: test_suites/integration/templates/configs/engine/backpressure/otap-attr-otap.yaml
loadgen_exporter_type: otap
backend_receiver_type: otap
observation_interval: 60
signals_per_second: null # Using null means loadgen don't self-cap the rate.
max_batch_size: {{max_batch_size}}

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