Prevent instrumenting debugger agent classes by jpbempel · Pull Request #10803 · DataDog/dd-trace-java

jpbempel · 2026-03-11T08:32:54Z

What Does This Do

Skip all classes from debugger agent to avoid LinkageError attempted duplicate class definition error

Motivation

Additional Notes

Contributor Checklist

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Skip all classes from debugger agent to avoid LinkageError attempted duplicate class definition error

pr-commenter · 2026-03-11T08:52:19Z

Debugger benchmarks

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
ci_job_date	1773218454	1773218800
end_time	2026-03-11T08:42:14	2026-03-11T08:48:00
git_branch	master	jpbempel/fix-co-linkage-error
git_commit_sha	`5a62ccc`	`0317905`
start_time	2026-03-11T08:40:55	2026-03-11T08:46:41

See matching parameters

	Baseline	Candidate
ci_job_id	1495539389	1495539389
ci_pipeline_id	101804646	101804646
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
git_commit_date	1773217900	1773217900

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 9 metrics, 6 unstable metrics.

See unchanged results

scenario	Δ mean agg_http_req_duration_min	Δ mean agg_http_req_duration_p50	Δ mean agg_http_req_duration_p75	Δ mean agg_http_req_duration_p99	Δ mean throughput
scenario:noprobe	unstable [-27.113µs; +15.226µs] or [-9.797%; +5.502%]	unstable [-42.116µs; +24.276µs] or [-13.187%; +7.601%]	unstable [-55.028µs; +33.820µs] or [-16.443%; +10.106%]	unstable [-106.240µs; +119.832µs] or [-11.132%; +12.557%]	same
scenario:basic	same	same	same	unstable [-89.188µs; +78.811µs] or [-11.478%; +10.143%]	unstable [-250.495op/s; +108.248op/s] or [-9.268%; +4.005%]
scenario:loop	same	same	same	same	same

Request duration reports for reports

gantt
    title reports - request duration [CI 0.99] : candidate=None, baseline=None
    dateFormat X
    axisFormat %s
section baseline
noprobe (319.386 µs) : 281, 358
.   : milestone, 319,
basic (276.691 µs) : 271, 283
.   : milestone, 277,
loop (8.946 ms) : 8940, 8952
.   : milestone, 8946,
section candidate
noprobe (310.466 µs) : 288, 333
.   : milestone, 310,
basic (279.898 µs) : 270, 290
.   : milestone, 280,
loop (8.951 ms) : 8914, 8988
.   : milestone, 8951,

baseline results

Scenario	Request median duration [CI 0.99]
noprobe	319.386 µs [280.632 µs, 358.14 µs]
basic	276.691 µs [270.572 µs, 282.811 µs]
loop	8.946 ms [8.94 ms, 8.952 ms]

candidate results

Scenario	Request median duration [CI 0.99]
noprobe	310.466 µs [288.18 µs, 332.752 µs]
basic	279.898 µs [269.58 µs, 290.215 µs]
loop	8.951 ms [8.914 ms, 8.988 ms]

pr-commenter · 2026-03-11T09:18:00Z

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	jpbempel/fix-co-linkage-error
git_commit_date	1773202655	1773224907
git_commit_sha	`5a62ccc`	`dd912e0`
release_version	1.61.0-SNAPSHOT~5a62cccf85	1.61.0-SNAPSHOT~dd912e0d3a

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1773226774	1773226774
ci_job_id	1495847163	1495847163
ci_pipeline_id	101823064	101823064
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-0-8hs5lw3s 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-0-8hs5lw3s 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
module	Agent	Agent
parent	None	None

Summary

Found 1 performance improvements and 0 performance regressions! Performance is the same for 63 metrics, 7 unstable metrics.

scenario	Δ mean execution_time	candidate mean execution_time	baseline mean execution_time
scenario:startup:petclinic:iast:Remote Config	better [-48.616µs; -13.420µs] or [-8.813%; -2.433%]	520.596µs	551.615µs

Startup time reports for petclinic

gantt
    title petclinic - global startup overhead: candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.06 s) : 0, 1059590
Total [baseline] (11.06 s) : 0, 11060415
Agent [candidate] (1.061 s) : 0, 1060909
Total [candidate] (11.052 s) : 0, 11051545
section appsec
Agent [baseline] (1.245 s) : 0, 1245114
Total [baseline] (11.117 s) : 0, 11116959
Agent [candidate] (1.262 s) : 0, 1262415
Total [candidate] (11.229 s) : 0, 11229361
section iast
Agent [baseline] (1.229 s) : 0, 1229260
Total [baseline] (11.335 s) : 0, 11335119
Agent [candidate] (1.226 s) : 0, 1225587
Total [candidate] (11.272 s) : 0, 11272051
section profiling
Agent [baseline] (1.182 s) : 0, 1181925
Total [baseline] (11.118 s) : 0, 11117916
Agent [candidate] (1.188 s) : 0, 1188476
Total [candidate] (11.118 s) : 0, 11117730

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.06 s	-
Agent	appsec	1.245 s	185.525 ms (17.5%)
Agent	iast	1.229 s	169.67 ms (16.0%)
Agent	profiling	1.182 s	122.335 ms (11.5%)
Total	tracing	11.06 s	-
Total	appsec	11.117 s	56.543 ms (0.5%)
Total	iast	11.335 s	274.703 ms (2.5%)
Total	profiling	11.118 s	57.5 ms (0.5%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.061 s	-
Agent	appsec	1.262 s	201.507 ms (19.0%)
Agent	iast	1.226 s	164.678 ms (15.5%)
Agent	profiling	1.188 s	127.567 ms (12.0%)
Total	tracing	11.052 s	-
Total	appsec	11.229 s	177.816 ms (1.6%)
Total	iast	11.272 s	220.507 ms (2.0%)
Total	profiling	11.118 s	66.185 ms (0.6%)

gantt
    title petclinic - break down per module: candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.193 ms) : 0, 1193
crashtracking [candidate] (1.188 ms) : 0, 1188
BytebuddyAgent [baseline] (628.344 ms) : 0, 628344
BytebuddyAgent [candidate] (627.391 ms) : 0, 627391
AgentMeter [baseline] (29.096 ms) : 0, 29096
AgentMeter [candidate] (29.11 ms) : 0, 29110
GlobalTracer [baseline] (257.492 ms) : 0, 257492
GlobalTracer [candidate] (256.949 ms) : 0, 256949
AppSec [baseline] (31.516 ms) : 0, 31516
AppSec [candidate] (31.513 ms) : 0, 31513
Debugger [baseline] (59.404 ms) : 0, 59404
Debugger [candidate] (59.319 ms) : 0, 59319
Remote Config [baseline] (590.376 µs) : 0, 590
Remote Config [candidate] (579.332 µs) : 0, 579
Telemetry [baseline] (8.673 ms) : 0, 8673
Telemetry [candidate] (8.622 ms) : 0, 8622
Flare Poller [baseline] (7.096 ms) : 0, 7096
Flare Poller [candidate] (10.203 ms) : 0, 10203
section appsec
crashtracking [baseline] (1.188 ms) : 0, 1188
crashtracking [candidate] (1.219 ms) : 0, 1219
BytebuddyAgent [baseline] (657.112 ms) : 0, 657112
BytebuddyAgent [candidate] (667.989 ms) : 0, 667989
AgentMeter [baseline] (12.03 ms) : 0, 12030
AgentMeter [candidate] (12.155 ms) : 0, 12155
GlobalTracer [baseline] (258.049 ms) : 0, 258049
GlobalTracer [candidate] (261.604 ms) : 0, 261604
IAST [baseline] (23.921 ms) : 0, 23921
IAST [candidate] (24.279 ms) : 0, 24279
AppSec [baseline] (177.678 ms) : 0, 177678
AppSec [candidate] (178.896 ms) : 0, 178896
Debugger [baseline] (65.708 ms) : 0, 65708
Debugger [candidate] (66.29 ms) : 0, 66290
Remote Config [baseline] (574.39 µs) : 0, 574
Remote Config [candidate] (592.771 µs) : 0, 593
Telemetry [baseline] (8.953 ms) : 0, 8953
Telemetry [candidate] (9.2 ms) : 0, 9200
Flare Poller [baseline] (3.624 ms) : 0, 3624
Flare Poller [candidate] (3.612 ms) : 0, 3612
section iast
crashtracking [baseline] (1.188 ms) : 0, 1188
crashtracking [candidate] (1.19 ms) : 0, 1190
BytebuddyAgent [baseline] (797.72 ms) : 0, 797720
BytebuddyAgent [candidate] (794.453 ms) : 0, 794453
AgentMeter [baseline] (11.352 ms) : 0, 11352
AgentMeter [candidate] (11.329 ms) : 0, 11329
GlobalTracer [baseline] (247.684 ms) : 0, 247684
GlobalTracer [candidate] (247.314 ms) : 0, 247314
IAST [baseline] (25.179 ms) : 0, 25179
IAST [candidate] (25.11 ms) : 0, 25110
AppSec [baseline] (26.472 ms) : 0, 26472
AppSec [candidate] (26.445 ms) : 0, 26445
Debugger [baseline] (64.534 ms) : 0, 64534
Debugger [candidate] (63.42 ms) : 0, 63420
Remote Config [baseline] (551.615 µs) : 0, 552
Remote Config [candidate] (520.596 µs) : 0, 521
Telemetry [baseline] (14.083 ms) : 0, 14083
Telemetry [candidate] (15.206 ms) : 0, 15206
Flare Poller [baseline] (4.439 ms) : 0, 4439
Flare Poller [candidate] (4.559 ms) : 0, 4559
section profiling
crashtracking [baseline] (1.177 ms) : 0, 1177
crashtracking [candidate] (1.182 ms) : 0, 1182
BytebuddyAgent [baseline] (682.466 ms) : 0, 682466
BytebuddyAgent [candidate] (687.288 ms) : 0, 687288
AgentMeter [baseline] (8.595 ms) : 0, 8595
AgentMeter [candidate] (8.635 ms) : 0, 8635
GlobalTracer [baseline] (215.634 ms) : 0, 215634
GlobalTracer [candidate] (216.479 ms) : 0, 216479
AppSec [baseline] (31.945 ms) : 0, 31945
AppSec [candidate] (32.23 ms) : 0, 32230
Debugger [baseline] (64.565 ms) : 0, 64565
Debugger [candidate] (64.813 ms) : 0, 64813
Remote Config [baseline] (589.932 µs) : 0, 590
Remote Config [candidate] (589.991 µs) : 0, 590
Telemetry [baseline] (8.959 ms) : 0, 8959
Telemetry [candidate] (8.177 ms) : 0, 8177
Flare Poller [baseline] (3.419 ms) : 0, 3419
Flare Poller [candidate] (4.244 ms) : 0, 4244
ProfilingAgent [baseline] (93.619 ms) : 0, 93619
ProfilingAgent [candidate] (93.558 ms) : 0, 93558
Profiling [baseline] (94.198 ms) : 0, 94198
Profiling [candidate] (94.126 ms) : 0, 94126

Startup time reports for insecure-bank

gantt
    title insecure-bank - global startup overhead: candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.059 s) : 0, 1059456
Total [baseline] (8.854 s) : 0, 8854341
Agent [candidate] (1.057 s) : 0, 1057427
Total [candidate] (8.827 s) : 0, 8827375
section iast
Agent [baseline] (1.227 s) : 0, 1226832
Total [baseline] (9.603 s) : 0, 9602576
Agent [candidate] (1.229 s) : 0, 1228610
Total [candidate] (9.577 s) : 0, 9577294

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.059 s	-
Agent	iast	1.227 s	167.376 ms (15.8%)
Total	tracing	8.854 s	-
Total	iast	9.603 s	748.234 ms (8.5%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.057 s	-
Agent	iast	1.229 s	171.183 ms (16.2%)
Total	tracing	8.827 s	-
Total	iast	9.577 s	749.919 ms (8.5%)

gantt
    title insecure-bank - break down per module: candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.192 ms) : 0, 1192
crashtracking [candidate] (1.193 ms) : 0, 1193
BytebuddyAgent [baseline] (626.754 ms) : 0, 626754
BytebuddyAgent [candidate] (627.932 ms) : 0, 627932
AgentMeter [baseline] (29.116 ms) : 0, 29116
AgentMeter [candidate] (29.041 ms) : 0, 29041
GlobalTracer [baseline] (256.7 ms) : 0, 256700
GlobalTracer [candidate] (256.604 ms) : 0, 256604
AppSec [baseline] (31.516 ms) : 0, 31516
AppSec [candidate] (31.507 ms) : 0, 31507
Debugger [baseline] (58.622 ms) : 0, 58622
Debugger [candidate] (58.629 ms) : 0, 58629
Remote Config [baseline] (585.723 µs) : 0, 586
Remote Config [candidate] (595.54 µs) : 0, 596
Telemetry [baseline] (8.6 ms) : 0, 8600
Telemetry [candidate] (8.689 ms) : 0, 8689
Flare Poller [baseline] (10.316 ms) : 0, 10316
Flare Poller [candidate] (7.166 ms) : 0, 7166
section iast
crashtracking [baseline] (1.197 ms) : 0, 1197
crashtracking [candidate] (1.2 ms) : 0, 1200
BytebuddyAgent [baseline] (796.351 ms) : 0, 796351
BytebuddyAgent [candidate] (797.351 ms) : 0, 797351
AgentMeter [baseline] (11.306 ms) : 0, 11306
AgentMeter [candidate] (11.318 ms) : 0, 11318
GlobalTracer [baseline] (247.514 ms) : 0, 247514
GlobalTracer [candidate] (247.65 ms) : 0, 247650
IAST [baseline] (25.105 ms) : 0, 25105
IAST [candidate] (25.106 ms) : 0, 25106
AppSec [baseline] (26.334 ms) : 0, 26334
AppSec [candidate] (26.338 ms) : 0, 26338
Debugger [baseline] (62.669 ms) : 0, 62669
Debugger [candidate] (63.138 ms) : 0, 63138
Remote Config [baseline] (531.217 µs) : 0, 531
Remote Config [candidate] (526.196 µs) : 0, 526
Telemetry [baseline] (15.133 ms) : 0, 15133
Telemetry [candidate] (15.377 ms) : 0, 15377
Flare Poller [baseline] (4.682 ms) : 0, 4682
Flare Poller [candidate] (4.414 ms) : 0, 4414

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	jpbempel/fix-co-linkage-error
git_commit_date	1773202655	1773224907
git_commit_sha	`5a62ccc`	`dd912e0`
release_version	1.61.0-SNAPSHOT~5a62cccf85	1.61.0-SNAPSHOT~dd912e0d3a

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1773227266	1773227266
ci_job_id	1495847165	1495847165
ci_pipeline_id	101823064	101823064
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-0-glr3sjq1 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-0-glr3sjq1 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 1 performance improvements and 3 performance regressions! Performance is the same for 17 metrics, 15 unstable metrics.

scenario	Δ mean agg_http_req_duration_p50	Δ mean agg_http_req_duration_p95	Δ mean throughput	candidate mean agg_http_req_duration_p50	candidate mean agg_http_req_duration_p95	candidate mean throughput	baseline mean agg_http_req_duration_p50	baseline mean agg_http_req_duration_p95	baseline mean throughput
scenario:load:insecure-bank:profiling:high_load	better [-181.404µs; -35.020µs] or [-10.448%; -2.017%]	unstable [-914.871µs; -73.726µs] or [-17.777%; -1.433%]	unstable [-94.383op/s; +413.696op/s] or [-4.490%; +19.679%]	1.628ms	4.652ms	2261.906op/s	1.736ms	5.146ms	2102.250op/s
scenario:load:petclinic:iast:high_load	unsure [+265.241µs; +733.024µs] or [+1.535%; +4.243%]	worse [+0.718ms; +1.699ms] or [+2.547%; +6.027%]	unstable [-33.481op/s; +19.356op/s] or [-12.669%; +7.324%]	17.776ms	29.396ms	257.219op/s	17.277ms	28.187ms	264.281op/s
scenario:load:petclinic:tracing:high_load	worse [+0.673ms; +1.385ms] or [+3.919%; +8.066%]	worse [+0.600ms; +1.818ms] or [+2.124%; +6.436%]	unstable [-40.044op/s; +12.544op/s] or [-15.086%; +4.726%]	18.196ms	29.461ms	251.688op/s	17.167ms	28.251ms	265.438op/s

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.187 ms) : 1176, 1199
.   : milestone, 1187,
iast (3.264 ms) : 3220, 3309
.   : milestone, 3264,
iast_FULL (5.701 ms) : 5644, 5758
.   : milestone, 5701,
iast_GLOBAL (3.536 ms) : 3476, 3595
.   : milestone, 3536,
profiling (2.152 ms) : 2132, 2173
.   : milestone, 2152,
tracing (1.788 ms) : 1772, 1803
.   : milestone, 1788,
section candidate
no_agent (1.205 ms) : 1194, 1216
.   : milestone, 1205,
iast (3.267 ms) : 3220, 3313
.   : milestone, 3267,
iast_FULL (5.689 ms) : 5633, 5745
.   : milestone, 5689,
iast_GLOBAL (3.55 ms) : 3485, 3616
.   : milestone, 3550,
profiling (1.996 ms) : 1979, 2013
.   : milestone, 1996,
tracing (1.883 ms) : 1865, 1901
.   : milestone, 1883,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.187 ms [1.176 ms, 1.199 ms]	-
iast	3.264 ms [3.22 ms, 3.309 ms]	2.077 ms (174.9%)
iast_FULL	5.701 ms [5.644 ms, 5.758 ms]	4.514 ms (380.1%)
iast_GLOBAL	3.536 ms [3.476 ms, 3.595 ms]	2.348 ms (197.7%)
profiling	2.152 ms [2.132 ms, 2.173 ms]	964.949 µs (81.3%)
tracing	1.788 ms [1.772 ms, 1.803 ms]	600.159 µs (50.5%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.205 ms [1.194 ms, 1.216 ms]	-
iast	3.267 ms [3.22 ms, 3.313 ms]	2.061 ms (171.0%)
iast_FULL	5.689 ms [5.633 ms, 5.745 ms]	4.484 ms (372.0%)
iast_GLOBAL	3.55 ms [3.485 ms, 3.616 ms]	2.345 ms (194.6%)
profiling	1.996 ms [1.979 ms, 2.013 ms]	790.769 µs (65.6%)
tracing	1.883 ms [1.865 ms, 1.901 ms]	677.661 µs (56.2%)

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85
    dateFormat X
    axisFormat %s
section baseline
no_agent (19.509 ms) : 19309, 19709
.   : milestone, 19509,
appsec (19.002 ms) : 18810, 19194
.   : milestone, 19002,
code_origins (17.671 ms) : 17498, 17845
.   : milestone, 17671,
iast (17.653 ms) : 17481, 17825
.   : milestone, 17653,
profiling (18.846 ms) : 18662, 19030
.   : milestone, 18846,
tracing (17.576 ms) : 17402, 17749
.   : milestone, 17576,
section candidate
no_agent (19.183 ms) : 18988, 19378
.   : milestone, 19183,
appsec (18.553 ms) : 18366, 18741
.   : milestone, 18553,
code_origins (17.583 ms) : 17410, 17756
.   : milestone, 17583,
iast (18.14 ms) : 17957, 18323
.   : milestone, 18140,
profiling (18.927 ms) : 18737, 19117
.   : milestone, 18927,
tracing (18.542 ms) : 18357, 18728
.   : milestone, 18542,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	19.509 ms [19.309 ms, 19.709 ms]	-
appsec	19.002 ms [18.81 ms, 19.194 ms]	-506.809 µs (-2.6%)
code_origins	17.671 ms [17.498 ms, 17.845 ms]	-1.837 ms (-9.4%)
iast	17.653 ms [17.481 ms, 17.825 ms]	-1.856 ms (-9.5%)
profiling	18.846 ms [18.662 ms, 19.03 ms]	-662.921 µs (-3.4%)
tracing	17.576 ms [17.402 ms, 17.749 ms]	-1.933 ms (-9.9%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	19.183 ms [18.988 ms, 19.378 ms]	-
appsec	18.553 ms [18.366 ms, 18.741 ms]	-629.699 µs (-3.3%)
code_origins	17.583 ms [17.41 ms, 17.756 ms]	-1.6 ms (-8.3%)
iast	18.14 ms [17.957 ms, 18.323 ms]	-1.043 ms (-5.4%)
profiling	18.927 ms [18.737 ms, 19.117 ms]	-256.013 µs (-1.3%)
tracing	18.542 ms [18.357 ms, 18.728 ms]	-640.612 µs (-3.3%)

Dacapo

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	jpbempel/fix-co-linkage-error
git_commit_date	1773202655	1773224907
git_commit_sha	`5a62ccc`	`dd912e0`
release_version	1.61.0-SNAPSHOT~5a62cccf85	1.61.0-SNAPSHOT~dd912e0d3a

See matching parameters

	Baseline	Candidate
application	biojava	biojava
ci_job_date	1773227159	1773227159
ci_job_id	1495847168	1495847168
ci_pipeline_id	101823064	101823064
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-zfyrx7zua-project-304-concurrent-1-l2wnh0wf 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-zfyrx7zua-project-304-concurrent-1-l2wnh0wf 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 12 metrics, 0 unstable metrics.

Execution time for tomcat

gantt
    title tomcat - execution time [CI 0.99] : candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.474 ms) : 1462, 1485
.   : milestone, 1474,
appsec (2.519 ms) : 2464, 2574
.   : milestone, 2519,
iast (2.245 ms) : 2176, 2314
.   : milestone, 2245,
iast_GLOBAL (2.299 ms) : 2230, 2369
.   : milestone, 2299,
profiling (2.071 ms) : 2017, 2126
.   : milestone, 2071,
tracing (2.046 ms) : 1993, 2100
.   : milestone, 2046,
section candidate
no_agent (1.472 ms) : 1461, 1484
.   : milestone, 1472,
appsec (2.518 ms) : 2463, 2573
.   : milestone, 2518,
iast (2.254 ms) : 2185, 2323
.   : milestone, 2254,
iast_GLOBAL (2.285 ms) : 2216, 2355
.   : milestone, 2285,
profiling (2.097 ms) : 2041, 2153
.   : milestone, 2097,
tracing (2.056 ms) : 2002, 2110
.   : milestone, 2056,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.474 ms [1.462 ms, 1.485 ms]	-
appsec	2.519 ms [2.464 ms, 2.574 ms]	1.045 ms (70.9%)
iast	2.245 ms [2.176 ms, 2.314 ms]	771.545 µs (52.4%)
iast_GLOBAL	2.299 ms [2.23 ms, 2.369 ms]	825.367 µs (56.0%)
profiling	2.071 ms [2.017 ms, 2.126 ms]	597.52 µs (40.5%)
tracing	2.046 ms [1.993 ms, 2.1 ms]	572.377 µs (38.8%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.472 ms [1.461 ms, 1.484 ms]	-
appsec	2.518 ms [2.463 ms, 2.573 ms]	1.046 ms (71.0%)
iast	2.254 ms [2.185 ms, 2.323 ms]	781.957 µs (53.1%)
iast_GLOBAL	2.285 ms [2.216 ms, 2.355 ms]	813.125 µs (55.2%)
profiling	2.097 ms [2.041 ms, 2.153 ms]	624.993 µs (42.4%)
tracing	2.056 ms [2.002 ms, 2.11 ms]	583.544 µs (39.6%)

Execution time for biojava

gantt
    title biojava - execution time [CI 0.99] : candidate=1.61.0-SNAPSHOT~dd912e0d3a, baseline=1.61.0-SNAPSHOT~5a62cccf85
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.02 s) : 15020000, 15020000
.   : milestone, 15020000,
appsec (15.083 s) : 15083000, 15083000
.   : milestone, 15083000,
iast (17.657 s) : 17657000, 17657000
.   : milestone, 17657000,
iast_GLOBAL (17.791 s) : 17791000, 17791000
.   : milestone, 17791000,
profiling (14.874 s) : 14874000, 14874000
.   : milestone, 14874000,
tracing (15.255 s) : 15255000, 15255000
.   : milestone, 15255000,
section candidate
no_agent (15.556 s) : 15556000, 15556000
.   : milestone, 15556000,
appsec (14.945 s) : 14945000, 14945000
.   : milestone, 14945000,
iast (17.816 s) : 17816000, 17816000
.   : milestone, 17816000,
iast_GLOBAL (17.687 s) : 17687000, 17687000
.   : milestone, 17687000,
profiling (14.924 s) : 14924000, 14924000
.   : milestone, 14924000,
tracing (14.88 s) : 14880000, 14880000
.   : milestone, 14880000,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.02 s [15.02 s, 15.02 s]	-
appsec	15.083 s [15.083 s, 15.083 s]	63.0 ms (0.4%)
iast	17.657 s [17.657 s, 17.657 s]	2.637 s (17.6%)
iast_GLOBAL	17.791 s [17.791 s, 17.791 s]	2.771 s (18.4%)
profiling	14.874 s [14.874 s, 14.874 s]	-146.0 ms (-1.0%)
tracing	15.255 s [15.255 s, 15.255 s]	235.0 ms (1.6%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.556 s [15.556 s, 15.556 s]	-
appsec	14.945 s [14.945 s, 14.945 s]	-611.0 ms (-3.9%)
iast	17.816 s [17.816 s, 17.816 s]	2.26 s (14.5%)
iast_GLOBAL	17.687 s [17.687 s, 17.687 s]	2.131 s (13.7%)
profiling	14.924 s [14.924 s, 14.924 s]	-632.0 ms (-4.1%)
tracing	14.88 s [14.88 s, 14.88 s]	-676.0 ms (-4.3%)

PerfectSlayer · 2026-03-11T10:14:15Z

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/agent/DebuggerTransformer.java

  private static final boolean JAVA_AT_LEAST_19 = JavaVirtualMachine.isJavaVersionAtLeast(19);
-
  public static Path DUMP_PATH = Paths.get(SystemProperties.get(JAVA_IO_TMPDIR), "debugger");
+  private static final List<String> SKIPPED_PACKAGES =


💭 thought: ‏Is there a benefits of using an ArrayList<String> over the lighter constant String[]?

right, we can make this optimization

PerfectSlayer

Looks good to me. I would let live debugger team have a second pair of eyes for the product side of the change

jpbempel · 2026-03-11T14:25:28Z

/merge

gh-worker-devflow-routing-ef8351 · 2026-03-11T14:25:33Z

View all feedbacks in Devflow UI.

2026-03-11 14:25:33 UTC ℹ️ Start processing command /merge

2026-03-11 14:25:37 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in master is approximately 2h (p90).

2026-03-11 16:52:07 UTC ℹ️ MergeQueue: The merge request ahead of this one was cancelled, retrying soon

2026-03-11 18:53:13 UTC ❌ MergeQueue: The build pipeline has timeout

The merge request has been interrupted because the build 101939357 took longer than expected. The current limit for the base branch 'master' is 120 minutes.

jpbempel · 2026-03-12T06:30:16Z

/merge

gh-worker-devflow-routing-ef8351 · 2026-03-12T06:30:21Z

View all feedbacks in Devflow UI.

2026-03-12 06:30:21 UTC ℹ️ Start processing command /merge

2026-03-12 06:30:26 UTC ℹ️ MergeQueue: pull request added to the queue

The expected merge time in master is approximately 2h (p90).

2026-03-12 07:28:54 UTC ℹ️ MergeQueue: This merge request was merged

Prevent instrumenting debugger agent classes

0317905

Skip all classes from debugger agent to avoid LinkageError attempted duplicate class definition error

jpbempel requested a review from a team as a code owner March 11, 2026 08:32

jpbempel requested review from shatzi and removed request for a team March 11, 2026 08:32

jpbempel added comp: debugger Dynamic Instrumentation type: bug Bug report and fix labels Mar 11, 2026

PerfectSlayer reviewed Mar 11, 2026

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use array instead of list

dd912e0

PerfectSlayer approved these changes Mar 11, 2026

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tylfin approved these changes Mar 11, 2026

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gh-worker-dd-mergequeue-cf854d bot merged commit c1e9ac6 into master Mar 12, 2026
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gh-worker-dd-mergequeue-cf854d bot deleted the jpbempel/fix-co-linkage-error branch March 12, 2026 07:28

github-actions bot added this to the 1.61.0 milestone Mar 12, 2026

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Prevent instrumenting debugger agent classes#10803

Prevent instrumenting debugger agent classes#10803
gh-worker-dd-mergequeue-cf854d[bot] merged 2 commits intomasterfrom
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