Handle EINTR in blocking ipc sender

[bwoebi]

Without this change file descriptions were not sent when send_with_fd was interrupted by a signal, causing the connection to become broken.

Also use statm for memory tracking in sidecar (we don't need full accuracy for the watchdog).

[pr-commenter]

Benchmarks

Comparison

Benchmark execution time: 2025-02-26 17:41:33

Comparing candidate commit 6a448f7 in PR branch bob/tmp with baseline commit a207606 in branch main.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 52 metrics, 2 unstable metrics.

Candidate

Candidate benchmark details

Group 1

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
concentrator/add_spans_to_concentrator	execution_time	5.997ms	6.010ms ± 0.006ms	6.009ms ± 0.003ms	6.013ms	6.017ms	6.025ms	6.055ms	0.76%	2.851	20.518	0.09%	0.000ms	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
concentrator/add_spans_to_concentrator	execution_time	[6.009ms; 6.011ms] or [-0.013%; +0.013%]	None	None	None

Group 2

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
ip_address/quantize_peer_ip_address_benchmark	execution_time	5.053µs	5.152µs ± 0.054µs	5.181µs ± 0.033µs	5.201µs	5.214µs	5.217µs	5.219µs	0.73%	-0.255	-1.673	1.04%	0.004µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
ip_address/quantize_peer_ip_address_benchmark	execution_time	[5.144µs; 5.159µs] or [-0.145%; +0.145%]	None	None	None

Group 3

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
sql/obfuscate_sql_string	execution_time	65.286µs	65.517µs ± 0.230µs	65.477µs ± 0.071µs	65.558µs	65.728µs	66.218µs	67.946µs	3.77%	6.910	64.368	0.35%	0.016µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
sql/obfuscate_sql_string	execution_time	[65.485µs; 65.549µs] or [-0.049%; +0.049%]	None	None	None

Group 4

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
normalization/normalize_name/normalize_name/Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Lo...	execution_time	208.696µs	209.095µs ± 0.137µs	209.100µs ± 0.085µs	209.183µs	209.304µs	209.440µs	209.604µs	0.24%	0.074	0.771	0.07%	0.010µs	1	200
normalization/normalize_name/normalize_name/Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Lo...	throughput	4770894.364op/s	4782525.975op/s ± 3137.320op/s	4782402.037op/s ± 1944.051op/s	4784469.771op/s	4787471.221op/s	4790030.607op/s	4791663.783op/s	0.19%	-0.069	0.766	0.07%	221.842op/s	1	200
normalization/normalize_name/normalize_name/bad-name	execution_time	18.258µs	18.346µs ± 0.113µs	18.356µs ± 0.040µs	18.376µs	18.408µs	18.447µs	19.763µs	7.67%	9.804	120.736	0.62%	0.008µs	1	200
normalization/normalize_name/normalize_name/bad-name	throughput	50599110.476op/s	54508754.055op/s ± 317827.718op/s	54479072.493op/s ± 118902.885op/s	54663126.425op/s	54759482.548op/s	54763911.008op/s	54769679.689op/s	0.53%	-9.313	112.755	0.58%	22473.813op/s	1	200
normalization/normalize_name/normalize_name/good	execution_time	10.682µs	10.744µs ± 0.025µs	10.741µs ± 0.016µs	10.759µs	10.783µs	10.807µs	10.829µs	0.83%	0.384	0.438	0.23%	0.002µs	1	200
normalization/normalize_name/normalize_name/good	throughput	92340825.726op/s	93074595.189op/s ± 217666.383op/s	93103501.401op/s ± 134363.935op/s	93224079.493op/s	93402436.427op/s	93566986.921op/s	93617719.962op/s	0.55%	-0.368	0.417	0.23%	15391.338op/s	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
normalization/normalize_name/normalize_name/Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Lo...	execution_time	[209.076µs; 209.114µs] or [-0.009%; +0.009%]	None	None	None
normalization/normalize_name/normalize_name/Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Long-.Too-Lo...	throughput	[4782091.173op/s; 4782960.778op/s] or [-0.009%; +0.009%]	None	None	None
normalization/normalize_name/normalize_name/bad-name	execution_time	[18.331µs; 18.362µs] or [-0.086%; +0.086%]	None	None	None
normalization/normalize_name/normalize_name/bad-name	throughput	[54464706.190op/s; 54552801.920op/s] or [-0.081%; +0.081%]	None	None	None
normalization/normalize_name/normalize_name/good	execution_time	[10.741µs; 10.748µs] or [-0.032%; +0.032%]	None	None	None
normalization/normalize_name/normalize_name/good	throughput	[93044428.721op/s; 93104761.656op/s] or [-0.032%; +0.032%]	None	None	None

Group 5

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
redis/obfuscate_redis_string	execution_time	32.646µs	33.255µs ± 1.006µs	32.786µs ± 0.060µs	32.928µs	35.368µs	35.404µs	37.272µs	13.68%	1.778	1.556	3.02%	0.071µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
redis/obfuscate_redis_string	execution_time	[33.115µs; 33.394µs] or [-0.419%; +0.419%]	None	None	None

Group 6

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
benching deserializing traces from msgpack to their internal representation	execution_time	53.827ms	54.352ms ± 0.284ms	54.386ms ± 0.145ms	54.499ms	54.649ms	55.328ms	55.441ms	1.94%	0.744	2.338	0.52%	0.020ms	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
benching deserializing traces from msgpack to their internal representation	execution_time	[54.313ms; 54.392ms] or [-0.072%; +0.072%]	None	None	None

Group 7

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
normalization/normalize_service/normalize_service/A0000000000000000000000000000000000000000000000000...	execution_time	504.629µs	505.705µs ± 0.711µs	505.711µs ± 0.259µs	505.930µs	506.301µs	506.611µs	513.990µs	1.64%	7.875	90.264	0.14%	0.050µs	1	200
normalization/normalize_service/normalize_service/A0000000000000000000000000000000000000000000000000...	throughput	1945564.615op/s	1977440.018op/s ± 2751.099op/s	1977413.652op/s ± 1014.774op/s	1978622.468op/s	1980306.666op/s	1981278.617op/s	1981653.631op/s	0.21%	-7.748	88.354	0.14%	194.532op/s	1	200
normalization/normalize_service/normalize_service/Data🐨dog🐶 繋がっ⛰てて	execution_time	452.637µs	453.340µs ± 0.328µs	453.328µs ± 0.167µs	453.473µs	453.784µs	454.268µs	455.961µs	0.58%	2.679	19.428	0.07%	0.023µs	1	200
normalization/normalize_service/normalize_service/Data🐨dog🐶 繋がっ⛰てて	throughput	2193169.789op/s	2205850.338op/s ± 1594.349op/s	2205909.521op/s ± 814.510op/s	2206769.137op/s	2207970.728op/s	2209039.253op/s	2209276.842op/s	0.15%	-2.649	19.132	0.07%	112.737op/s	1	200
normalization/normalize_service/normalize_service/Test Conversion 0f Weird !@#$%^&**() Characters	execution_time	176.114µs	176.882µs ± 0.240µs	176.923µs ± 0.151µs	177.045µs	177.230µs	177.376µs	177.410µs	0.28%	-0.504	0.370	0.14%	0.017µs	1	200
normalization/normalize_service/normalize_service/Test Conversion 0f Weird !@#$%^&**() Characters	throughput	5636649.218op/s	5653510.878op/s ± 7676.462op/s	5652168.197op/s ± 4831.051op/s	5658217.710op/s	5667214.937op/s	5674499.179op/s	5678134.791op/s	0.46%	0.512	0.383	0.14%	542.808op/s	1	200
normalization/normalize_service/normalize_service/[empty string]	execution_time	37.548µs	37.660µs ± 0.045µs	37.658µs ± 0.031µs	37.688µs	37.730µs	37.785µs	37.839µs	0.48%	0.543	1.279	0.12%	0.003µs	1	200
normalization/normalize_service/normalize_service/[empty string]	throughput	26427909.963op/s	26553141.028op/s ± 32026.901op/s	26554729.220op/s ± 21650.865op/s	26576579.274op/s	26602766.218op/s	26615688.808op/s	26632779.036op/s	0.29%	-0.533	1.251	0.12%	2264.644op/s	1	200
normalization/normalize_service/normalize_service/test_ASCII	execution_time	48.096µs	48.322µs ± 0.248µs	48.218µs ± 0.117µs	48.545µs	48.617µs	48.658µs	50.053µs	3.81%	1.774	9.609	0.51%	0.018µs	1	200
normalization/normalize_service/normalize_service/test_ASCII	throughput	19978695.246op/s	20694844.360op/s ± 105472.403op/s	20739271.136op/s ± 50336.437op/s	20787290.057op/s	20788953.107op/s	20790527.598op/s	20791859.096op/s	0.25%	-1.649	8.467	0.51%	7458.025op/s	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
normalization/normalize_service/normalize_service/A0000000000000000000000000000000000000000000000000...	execution_time	[505.607µs; 505.804µs] or [-0.019%; +0.019%]	None	None	None
normalization/normalize_service/normalize_service/A0000000000000000000000000000000000000000000000000...	throughput	[1977058.742op/s; 1977821.294op/s] or [-0.019%; +0.019%]	None	None	None
normalization/normalize_service/normalize_service/Data🐨dog🐶 繋がっ⛰てて	execution_time	[453.295µs; 453.386µs] or [-0.010%; +0.010%]	None	None	None
normalization/normalize_service/normalize_service/Data🐨dog🐶 繋がっ⛰てて	throughput	[2205629.376op/s; 2206071.299op/s] or [-0.010%; +0.010%]	None	None	None
normalization/normalize_service/normalize_service/Test Conversion 0f Weird !@#$%^&**() Characters	execution_time	[176.848µs; 176.915µs] or [-0.019%; +0.019%]	None	None	None
normalization/normalize_service/normalize_service/Test Conversion 0f Weird !@#$%^&**() Characters	throughput	[5652446.994op/s; 5654574.762op/s] or [-0.019%; +0.019%]	None	None	None
normalization/normalize_service/normalize_service/[empty string]	execution_time	[37.654µs; 37.667µs] or [-0.017%; +0.017%]	None	None	None
normalization/normalize_service/normalize_service/[empty string]	throughput	[26548702.407op/s; 26557579.648op/s] or [-0.017%; +0.017%]	None	None	None
normalization/normalize_service/normalize_service/test_ASCII	execution_time	[48.288µs; 48.357µs] or [-0.071%; +0.071%]	None	None	None
normalization/normalize_service/normalize_service/test_ASCII	throughput	[20680226.899op/s; 20709461.820op/s] or [-0.071%; +0.071%]	None	None	None

Group 8

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
credit_card/is_card_number/	execution_time	3.893µs	3.914µs ± 0.002µs	3.914µs ± 0.001µs	3.915µs	3.917µs	3.918µs	3.919µs	0.12%	-3.525	28.423	0.06%	0.000µs	1	200
credit_card/is_card_number/	throughput	255199540.880op/s	255503270.338op/s ± 156297.555op/s	255498733.080op/s ± 67692.978op/s	255564502.091op/s	255708677.492op/s	255873258.407op/s	256878845.645op/s	0.54%	3.558	28.791	0.06%	11051.906op/s	1	200
credit_card/is_card_number/ 3782-8224-6310-005	execution_time	80.937µs	82.664µs ± 0.700µs	82.742µs ± 0.524µs	83.153µs	83.766µs	84.011µs	84.123µs	1.67%	-0.051	-0.755	0.85%	0.050µs	1	200
credit_card/is_card_number/ 3782-8224-6310-005	throughput	11887325.305op/s	12098066.439op/s ± 102577.754op/s	12085700.132op/s ± 76927.817op/s	12176048.203op/s	12258299.152op/s	12311095.140op/s	12355226.119op/s	2.23%	0.083	-0.747	0.85%	7253.343op/s	1	200
credit_card/is_card_number/ 378282246310005	execution_time	78.315µs	79.513µs ± 0.408µs	79.488µs ± 0.296µs	79.836µs	80.143µs	80.286µs	80.843µs	1.70%	0.012	0.064	0.51%	0.029µs	1	200
credit_card/is_card_number/ 378282246310005	throughput	12369701.750op/s	12576841.677op/s ± 64502.133op/s	12580537.115op/s ± 46990.982op/s	12623527.305op/s	12680923.461op/s	12721956.776op/s	12768967.749op/s	1.50%	0.020	0.066	0.51%	4560.990op/s	1	200
credit_card/is_card_number/37828224631	execution_time	3.895µs	3.913µs ± 0.002µs	3.913µs ± 0.001µs	3.915µs	3.916µs	3.919µs	3.920µs	0.17%	-2.284	17.309	0.06%	0.000µs	1	200
credit_card/is_card_number/37828224631	throughput	255091220.561op/s	255528622.206op/s ± 155094.940op/s	255533599.595op/s ± 69640.389op/s	255590044.779op/s	255774521.374op/s	255898492.555op/s	256733658.817op/s	0.47%	2.309	17.533	0.06%	10966.868op/s	1	200
credit_card/is_card_number/378282246310005	execution_time	75.114µs	76.205µs ± 0.430µs	76.191µs ± 0.276µs	76.477µs	76.962µs	77.191µs	77.237µs	1.37%	0.039	-0.010	0.56%	0.030µs	1	200
credit_card/is_card_number/378282246310005	throughput	12947115.643op/s	13122852.472op/s ± 74080.279op/s	13124987.451op/s ± 47343.840op/s	13168401.442op/s	13241483.004op/s	13297979.046op/s	13313161.876op/s	1.43%	-0.006	-0.009	0.56%	5238.267op/s	1	200
credit_card/is_card_number/37828224631000521389798	execution_time	51.346µs	51.421µs ± 0.031µs	51.425µs ± 0.016µs	51.436µs	51.467µs	51.482µs	51.576µs	0.29%	0.296	2.478	0.06%	0.002µs	1	200
credit_card/is_card_number/37828224631000521389798	throughput	19388787.852op/s	19447306.280op/s ± 11673.745op/s	19445949.012op/s ± 5878.692op/s	19452492.151op/s	19467903.665op/s	19473771.498op/s	19475793.536op/s	0.15%	-0.288	2.448	0.06%	825.458op/s	1	200
credit_card/is_card_number/x371413321323331	execution_time	6.026µs	6.037µs ± 0.004µs	6.037µs ± 0.002µs	6.039µs	6.043µs	6.048µs	6.052µs	0.25%	0.617	2.862	0.06%	0.000µs	1	200
credit_card/is_card_number/x371413321323331	throughput	165223940.261op/s	165633421.684op/s ± 98220.154op/s	165643780.501op/s ± 49064.389op/s	165680159.801op/s	165805976.550op/s	165864598.056op/s	165939168.123op/s	0.18%	-0.609	2.844	0.06%	6945.214op/s	1	200
credit_card/is_card_number_no_luhn/	execution_time	3.897µs	3.914µs ± 0.003µs	3.914µs ± 0.001µs	3.915µs	3.918µs	3.921µs	3.931µs	0.44%	0.105	11.114	0.07%	0.000µs	1	200
credit_card/is_card_number_no_luhn/	throughput	254361260.661op/s	255488832.243op/s ± 190011.868op/s	255490432.942op/s ± 82833.006op/s	255576435.853op/s	255763631.318op/s	255908366.768op/s	256606951.338op/s	0.44%	-0.076	11.110	0.07%	13435.868op/s	1	200
credit_card/is_card_number_no_luhn/ 3782-8224-6310-005	execution_time	65.843µs	66.522µs ± 0.340µs	66.472µs ± 0.230µs	66.760µs	67.169µs	67.388µs	67.460µs	1.49%	0.574	-0.149	0.51%	0.024µs	1	200
credit_card/is_card_number_no_luhn/ 3782-8224-6310-005	throughput	14823679.741op/s	15032955.619op/s ± 76552.585op/s	15044005.223op/s ± 52165.540op/s	15094104.952op/s	15140192.201op/s	15169058.930op/s	15187675.626op/s	0.96%	-0.551	-0.181	0.51%	5413.085op/s	1	200
credit_card/is_card_number_no_luhn/ 378282246310005	execution_time	59.439µs	59.676µs ± 0.100µs	59.674µs ± 0.067µs	59.747µs	59.823µs	59.887µs	59.938µs	0.44%	-0.093	-0.290	0.17%	0.007µs	1	200
credit_card/is_card_number_no_luhn/ 378282246310005	throughput	16683992.861op/s	16757222.125op/s ± 28037.853op/s	16757614.129op/s ± 18830.564op/s	16776108.307op/s	16809324.893op/s	16816032.592op/s	16823864.652op/s	0.40%	0.102	-0.290	0.17%	1982.576op/s	1	200
credit_card/is_card_number_no_luhn/37828224631	execution_time	3.895µs	3.913µs ± 0.003µs	3.913µs ± 0.001µs	3.914µs	3.918µs	3.920µs	3.926µs	0.31%	-0.892	9.429	0.07%	0.000µs	1	200
credit_card/is_card_number_no_luhn/37828224631	throughput	254727913.515op/s	255538523.530op/s ± 185014.682op/s	255525846.407op/s ± 73028.958op/s	255603195.041op/s	255832486.493op/s	255929694.011op/s	256733143.074op/s	0.47%	0.915	9.531	0.07%	13082.514op/s	1	200
credit_card/is_card_number_no_luhn/378282246310005	execution_time	56.333µs	56.848µs ± 0.180µs	56.861µs ± 0.120µs	56.979µs	57.124µs	57.166µs	57.215µs	0.62%	-0.321	-0.339	0.32%	0.013µs	1	200
credit_card/is_card_number_no_luhn/378282246310005	throughput	17477918.487op/s	17590801.140op/s ± 55784.226op/s	17586739.599op/s ± 37116.211op/s	17623809.811op/s	17693099.212op/s	17715969.546op/s	17751562.844op/s	0.94%	0.336	-0.322	0.32%	3944.540op/s	1	200
credit_card/is_card_number_no_luhn/37828224631000521389798	execution_time	51.347µs	51.437µs ± 0.035µs	51.433µs ± 0.013µs	51.450µs	51.497µs	51.515µs	51.680µs	0.48%	1.973	12.702	0.07%	0.002µs	1	200
credit_card/is_card_number_no_luhn/37828224631000521389798	throughput	19349774.158op/s	19441353.612op/s ± 13297.909op/s	19442587.984op/s ± 4897.000op/s	19446742.664op/s	19462768.308op/s	19472163.764op/s	19475445.358op/s	0.17%	-1.951	12.551	0.07%	940.304op/s	1	200
credit_card/is_card_number_no_luhn/x371413321323331	execution_time	6.028µs	6.038µs ± 0.003µs	6.037µs ± 0.002µs	6.039µs	6.043µs	6.046µs	6.055µs	0.28%	0.539	3.280	0.05%	0.000µs	1	200
credit_card/is_card_number_no_luhn/x371413321323331	throughput	165164988.453op/s	165625659.038op/s ± 91147.010op/s	165633971.528op/s ± 47240.300op/s	165676907.225op/s	165764552.011op/s	165869306.570op/s	165894446.052op/s	0.16%	-0.530	3.256	0.05%	6445.067op/s	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
credit_card/is_card_number/	execution_time	[3.914µs; 3.914µs] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/	throughput	[255481609.001op/s; 255524931.676op/s] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/ 3782-8224-6310-005	execution_time	[82.567µs; 82.761µs] or [-0.117%; +0.117%]	None	None	None
credit_card/is_card_number/ 3782-8224-6310-005	throughput	[12083850.149op/s; 12112282.729op/s] or [-0.118%; +0.118%]	None	None	None
credit_card/is_card_number/ 378282246310005	execution_time	[79.457µs; 79.570µs] or [-0.071%; +0.071%]	None	None	None
credit_card/is_card_number/ 378282246310005	throughput	[12567902.302op/s; 12585781.052op/s] or [-0.071%; +0.071%]	None	None	None
credit_card/is_card_number/37828224631	execution_time	[3.913µs; 3.914µs] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/37828224631	throughput	[255507127.538op/s; 255550116.873op/s] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/378282246310005	execution_time	[76.146µs; 76.265µs] or [-0.078%; +0.078%]	None	None	None
credit_card/is_card_number/378282246310005	throughput	[13112585.658op/s; 13133119.286op/s] or [-0.078%; +0.078%]	None	None	None
credit_card/is_card_number/37828224631000521389798	execution_time	[51.417µs; 51.425µs] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/37828224631000521389798	throughput	[19445688.411op/s; 19448924.149op/s] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/x371413321323331	execution_time	[6.037µs; 6.038µs] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number/x371413321323331	throughput	[165619809.316op/s; 165647034.053op/s] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number_no_luhn/	execution_time	[3.914µs; 3.914µs] or [-0.010%; +0.010%]	None	None	None
credit_card/is_card_number_no_luhn/	throughput	[255462498.425op/s; 255515166.060op/s] or [-0.010%; +0.010%]	None	None	None
credit_card/is_card_number_no_luhn/ 3782-8224-6310-005	execution_time	[66.475µs; 66.569µs] or [-0.071%; +0.071%]	None	None	None
credit_card/is_card_number_no_luhn/ 3782-8224-6310-005	throughput	[15022346.167op/s; 15043565.071op/s] or [-0.071%; +0.071%]	None	None	None
credit_card/is_card_number_no_luhn/ 378282246310005	execution_time	[59.662µs; 59.690µs] or [-0.023%; +0.023%]	None	None	None
credit_card/is_card_number_no_luhn/ 378282246310005	throughput	[16753336.348op/s; 16761107.901op/s] or [-0.023%; +0.023%]	None	None	None
credit_card/is_card_number_no_luhn/37828224631	execution_time	[3.913µs; 3.914µs] or [-0.010%; +0.010%]	None	None	None
credit_card/is_card_number_no_luhn/37828224631	throughput	[255512882.274op/s; 255564164.786op/s] or [-0.010%; +0.010%]	None	None	None
credit_card/is_card_number_no_luhn/378282246310005	execution_time	[56.824µs; 56.873µs] or [-0.044%; +0.044%]	None	None	None
credit_card/is_card_number_no_luhn/378282246310005	throughput	[17583069.983op/s; 17598532.297op/s] or [-0.044%; +0.044%]	None	None	None
credit_card/is_card_number_no_luhn/37828224631000521389798	execution_time	[51.432µs; 51.442µs] or [-0.009%; +0.009%]	None	None	None
credit_card/is_card_number_no_luhn/37828224631000521389798	throughput	[19439510.650op/s; 19443196.574op/s] or [-0.009%; +0.009%]	None	None	None
credit_card/is_card_number_no_luhn/x371413321323331	execution_time	[6.037µs; 6.038µs] or [-0.008%; +0.008%]	None	None	None
credit_card/is_card_number_no_luhn/x371413321323331	throughput	[165613026.939op/s; 165638291.137op/s] or [-0.008%; +0.008%]	None	None	None

Group 9

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
benching string interning on wordpress profile	execution_time	149.073µs	150.446µs ± 0.293µs	150.420µs ± 0.160µs	150.620µs	150.894µs	151.071µs	151.335µs	0.61%	-0.543	2.813	0.19%	0.021µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
benching string interning on wordpress profile	execution_time	[150.405µs; 150.486µs] or [-0.027%; +0.027%]	None	None	None

Group 10

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
write only interface	execution_time	1.260µs	3.169µs ± 1.347µs	2.989µs ± 0.023µs	3.011µs	3.648µs	7.975µs	17.335µs	479.98%	8.636	80.002	42.39%	0.095µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
write only interface	execution_time	[2.982µs; 3.356µs] or [-5.890%; +5.890%]	None	None	None

Group 11

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
tags/replace_trace_tags	execution_time	2.341µs	2.395µs ± 0.016µs	2.393µs ± 0.007µs	2.403µs	2.423µs	2.430µs	2.444µs	2.12%	-0.430	2.096	0.66%	0.001µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
tags/replace_trace_tags	execution_time	[2.393µs; 2.397µs] or [-0.092%; +0.092%]	None	None	None

Group 12

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
two way interface	execution_time	17.590µs	25.726µs ± 11.087µs	17.949µs ± 0.135µs	35.132µs	41.703µs	55.098µs	98.582µs	449.23%	2.046	8.535	42.99%	0.784µs	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
two way interface	execution_time	[24.189µs; 27.262µs] or [-5.973%; +5.973%]	None	None	None

Group 13

cpu_model	git_commit_sha	git_commit_date	git_branch
Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	6a448f7	1740590967	bob/tmp

scenario	metric	min	mean ± sd	median ± mad	p75	p95	p99	max	peak_to_median_ratio	skewness	kurtosis	cv	sem	runs	sample_size
normalization/normalize_trace/test_trace	execution_time	245.705ns	255.026ns ± 10.825ns	250.596ns ± 3.554ns	256.785ns	281.028ns	284.389ns	286.545ns	14.35%	1.470	0.971	4.23%	0.765ns	1	200

scenario	metric	95% CI mean	Shapiro-Wilk pvalue	Ljung-Box pvalue (lag=1)	Dip test pvalue
normalization/normalize_trace/test_trace	execution_time	[253.526ns; 256.527ns] or [-0.588%; +0.588%]	None	None	None

Baseline

Omitted due to size.

[morrisonlevi]

I approved, but of course that's dependent on getting jobs to pass ^_^

Using statm should fix one perf issue found with the sidecar, which does affect one customer that is reporting elevated overhead with APM.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 39.47368% with 23 lines in your changes missing coverage. Please review.

Project coverage is 71.71%. Comparing base (a207606) to head (6a448f7).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #900      +/-   ##
==========================================
- Coverage   71.78%   71.71%   -0.07%     
==========================================
  Files         328      328              
  Lines       48605    48615      +10     
==========================================
- Hits        34889    34866      -23     
- Misses      13716    13749      +33     

Components	Coverage Δ
crashtracker	42.87% <ø> (+0.08%)	⬆️
crashtracker-ffi	6.25% <ø> (ø)
datadog-alloc	98.73% <ø> (ø)
data-pipeline	92.02% <ø> (ø)
data-pipeline-ffi	90.39% <ø> (ø)
ddcommon	80.08% <ø> (ø)
ddcommon-ffi	61.05% <ø> (ø)
ddtelemetry	61.74% <ø> (ø)
ddtelemetry-ffi	22.46% <ø> (ø)
dogstatsd	90.16% <ø> (ø)
dogstatsd-client	82.57% <ø> (ø)
ipc	82.63% <50.00%> (-0.05%)	⬇️
profiling	80.04% <ø> (ø)
profiling-ffi	70.68% <ø> (ø)
serverless	0.00% <ø> (ø)
sidecar	40.29% <0.00%> (-0.58%)	⬇️
sidecar-ffi	0.58% <ø> (-4.12%)	⬇️
spawn-worker	54.37% <ø> (ø)
tinybytes	92.00% <ø> (ø)
trace-mini-agent	72.48% <ø> (ø)
trace-normalization	98.23% <ø> (ø)
trace-obfuscation	95.96% <ø> (ø)
trace-protobuf	78.13% <ø> (ø)
trace-utils	93.26% <ø> (ø)