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Avoid throwing exception for invalid modifiers#10458

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jpbempel merged 1 commit intomasterfrom
jpbempel/fix-openj9-symdb
Jan 28, 2026
Merged

Avoid throwing exception for invalid modifiers#10458
jpbempel merged 1 commit intomasterfrom
jpbempel/fix-openj9-symdb

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@jpbempel jpbempel commented Jan 28, 2026 •
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What Does This Do

OpenJ9 is behaving weirdly for access modifiers

Motivation

Additional Notes

Contributor Checklist

Jira ticket: DEBUG-5053

@jpbempel
Avoid throwing exception for invalid modifiers
0c2d2cc 
OpenJ9 is behaving weirdly for access modifiers
@jpbempel jpbempel requested a review from a team as a code owner January 28, 2026 10:39
@jpbempel jpbempel requested review from shatzi and removed request for a team January 28, 2026 10:39
@jpbempel jpbempel added comp: debugger Dynamic Instrumentation type: bug Bug report and fix labels Jan 28, 2026
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Debugger benchmarks

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
ci_job_date 1769597448 1769597793
end_time 2026-01-28T10:52:08 2026-01-28T10:57:54
git_branch master jpbempel/fix-openj9-symdb
git_commit_sha c53c2c5 0c2d2cc
start_time 2026-01-28T10:50:49 2026-01-28T10:56:34
See matching parameters
Baseline Candidate
ci_job_id 1382790435 1382790435
ci_pipeline_id 93244954 93244954
cpu_model Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
git_commit_date 1769596722 1769596722

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
[-18.419µs; +28.066µs] or [-6.717%; +10.235%]		 unstable
[-29.534µs; +41.682µs] or [-9.380%; +13.239%]		 unstable
[-39.279µs; +54.951µs] or [-11.949%; +16.716%]		 unstable
[-84.416µs; +122.685µs] or [-9.271%; +13.474%]		 same
scenario:basic unsure
[+0.434µs; +6.634µs] or [+0.177%; +2.706%]		 same same unstable
[-189.047µs; +93.919µs] or [-23.454%; +11.652%]		 unstable
[-138.784op/s; +138.784op/s] or [-5.135%; +5.135%]
scenario:loop unsure
[+9.958µs; +14.449µs] or [+0.112%; +0.163%]		 unsure
[+3.523µs; +12.639µs] or [+0.039%; +0.141%]		 unsure
[+0.532µs; +10.626µs] or [+0.006%; +0.118%]		 unsure
[+2.642µs; +62.582µs] or [+0.029%; +0.687%]		 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 (314.851 µs) : 285, 345
.   : milestone, 315,
basic (273.292 µs) : 267, 280
.   : milestone, 273,
loop (8.956 ms) : 8951, 8960
.   : milestone, 8956,
section candidate
noprobe (320.925 µs) : 284, 358
.   : milestone, 321,
basic (277.153 µs) : 271, 283
.   : milestone, 277,
loop (8.964 ms) : 8959, 8968
.   : milestone, 8964,
Loading
  • baseline results
Scenario Request median duration [CI 0.99]
noprobe 314.851 µs [284.879 µs, 344.823 µs]
basic 273.292 µs [266.55 µs, 280.035 µs]
loop 8.956 ms [8.951 ms, 8.96 ms]
  • candidate results
Scenario Request median duration [CI 0.99]
noprobe 320.925 µs [283.503 µs, 358.346 µs]
basic 277.153 µs [271.249 µs, 283.056 µs]
loop 8.964 ms [8.959 ms, 8.968 ms]

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Benchmarks

Startup

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master jpbempel/fix-openj9-symdb
git_commit_date 1769580932 1769596722
git_commit_sha 02d5dc0 0c2d2cc
release_version 1.59.0-SNAPSHOT~02d5dc0038 1.59.0-SNAPSHOT~0c2d2cc5ac
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1769598629 1769598629
ci_job_id 1382790428 1382790428
ci_pipeline_id 93244954 93244954
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-hi9tldqi 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-hi9tldqi 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 62 metrics, 8 unstable metrics.

scenario Δ mean execution_time candidate mean execution_time baseline mean execution_time
scenario:startup:insecure-bank:tracing:Debugger better
[-6.642ms; -1.544ms] or [-10.458%; -2.431%]		 59.414ms 63.507ms
Startup time reports for petclinic 
gantt
    title petclinic - global startup overhead: candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.063 s) : 0, 1063207
Total [baseline] (10.96 s) : 0, 10960410
Agent [candidate] (1.058 s) : 0, 1057593
Total [candidate] (10.925 s) : 0, 10924707
section appsec
Agent [baseline] (1.231 s) : 0, 1230724
Total [baseline] (10.97 s) : 0, 10969501
Agent [candidate] (1.228 s) : 0, 1228390
Total [candidate] (10.881 s) : 0, 10880744
section iast
Agent [baseline] (1.224 s) : 0, 1224430
Total [baseline] (11.089 s) : 0, 11088949
Agent [candidate] (1.224 s) : 0, 1223571
Total [candidate] (11.17 s) : 0, 11170229
section profiling
Agent [baseline] (1.182 s) : 0, 1182479
Total [baseline] (10.974 s) : 0, 10974462
Agent [candidate] (1.185 s) : 0, 1185347
Total [candidate] (10.949 s) : 0, 10948568
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.063 s -
Agent appsec 1.231 s 167.516 ms (15.8%)
Agent iast 1.224 s 161.222 ms (15.2%)
Agent profiling 1.182 s 119.271 ms (11.2%)
Total tracing 10.96 s -
Total appsec 10.97 s 9.091 ms (0.1%)
Total iast 11.089 s 128.54 ms (1.2%)
Total profiling 10.974 s 14.053 ms (0.1%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.058 s -
Agent appsec 1.228 s 170.797 ms (16.1%)
Agent iast 1.224 s 165.978 ms (15.7%)
Agent profiling 1.185 s 127.754 ms (12.1%)
Total tracing 10.925 s -
Total appsec 10.881 s -43.963 ms (-0.4%)
Total iast 11.17 s 245.522 ms (2.2%)
Total profiling 10.949 s 23.861 ms (0.2%) 
gantt
    title petclinic - break down per module: candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.177 ms) : 0, 1177
crashtracking [candidate] (1.172 ms) : 0, 1172
BytebuddyAgent [baseline] (625.333 ms) : 0, 625333
BytebuddyAgent [candidate] (622.285 ms) : 0, 622285
AgentMeter [baseline] (29.031 ms) : 0, 29031
AgentMeter [candidate] (28.767 ms) : 0, 28767
GlobalTracer [baseline] (258.845 ms) : 0, 258845
GlobalTracer [candidate] (257.154 ms) : 0, 257154
AppSec [baseline] (33.241 ms) : 0, 33241
AppSec [candidate] (32.978 ms) : 0, 32978
Debugger [baseline] (60.964 ms) : 0, 60964
Debugger [candidate] (62.64 ms) : 0, 62640
Remote Config [baseline] (637.77 µs) : 0, 638
Remote Config [candidate] (618.038 µs) : 0, 618
Telemetry [baseline] (11.678 ms) : 0, 11678
Telemetry [candidate] (10.623 ms) : 0, 10623
Flare Poller [baseline] (6.842 ms) : 0, 6842
Flare Poller [candidate] (6.003 ms) : 0, 6003
section appsec
crashtracking [baseline] (1.187 ms) : 0, 1187
crashtracking [candidate] (1.174 ms) : 0, 1174
BytebuddyAgent [baseline] (652.142 ms) : 0, 652142
BytebuddyAgent [candidate] (650.002 ms) : 0, 650002
AgentMeter [baseline] (11.771 ms) : 0, 11771
AgentMeter [candidate] (11.739 ms) : 0, 11739
GlobalTracer [baseline] (256.99 ms) : 0, 256990
GlobalTracer [candidate] (256.953 ms) : 0, 256953
AppSec [baseline] (167.141 ms) : 0, 167141
AppSec [candidate] (166.776 ms) : 0, 166776
Debugger [baseline] (67.426 ms) : 0, 67426
Debugger [candidate] (67.722 ms) : 0, 67722
Remote Config [baseline] (673.197 µs) : 0, 673
Remote Config [candidate] (667.41 µs) : 0, 667
Telemetry [baseline] (9.184 ms) : 0, 9184
Telemetry [candidate] (9.295 ms) : 0, 9295
Flare Poller [baseline] (3.627 ms) : 0, 3627
Flare Poller [candidate] (3.614 ms) : 0, 3614
IAST [baseline] (25.346 ms) : 0, 25346
IAST [candidate] (25.25 ms) : 0, 25250
section iast
crashtracking [baseline] (1.19 ms) : 0, 1190
crashtracking [candidate] (1.165 ms) : 0, 1165
BytebuddyAgent [baseline] (789.297 ms) : 0, 789297
BytebuddyAgent [candidate] (788.364 ms) : 0, 788364
AgentMeter [baseline] (11.146 ms) : 0, 11146
AgentMeter [candidate] (11.164 ms) : 0, 11164
GlobalTracer [baseline] (247.684 ms) : 0, 247684
GlobalTracer [candidate] (247.692 ms) : 0, 247692
AppSec [baseline] (33.897 ms) : 0, 33897
AppSec [candidate] (33.699 ms) : 0, 33699
Debugger [baseline] (66.644 ms) : 0, 66644
Debugger [candidate] (66.845 ms) : 0, 66845
Remote Config [baseline] (544.868 µs) : 0, 545
Remote Config [candidate] (551.613 µs) : 0, 552
Telemetry [baseline] (8.504 ms) : 0, 8504
Telemetry [candidate] (8.51 ms) : 0, 8510
Flare Poller [baseline] (3.463 ms) : 0, 3463
Flare Poller [candidate] (3.412 ms) : 0, 3412
IAST [baseline] (26.785 ms) : 0, 26785
IAST [candidate] (26.899 ms) : 0, 26899
section profiling
crashtracking [baseline] (1.208 ms) : 0, 1208
crashtracking [candidate] (1.217 ms) : 0, 1217
BytebuddyAgent [baseline] (675.081 ms) : 0, 675081
BytebuddyAgent [candidate] (676.236 ms) : 0, 676236
AgentMeter [baseline] (8.594 ms) : 0, 8594
AgentMeter [candidate] (8.6 ms) : 0, 8600
GlobalTracer [baseline] (216.538 ms) : 0, 216538
GlobalTracer [candidate] (216.779 ms) : 0, 216779
AppSec [baseline] (32.25 ms) : 0, 32250
AppSec [candidate] (32.501 ms) : 0, 32501
Debugger [baseline] (67.881 ms) : 0, 67881
Debugger [candidate] (67.805 ms) : 0, 67805
Remote Config [baseline] (586.292 µs) : 0, 586
Remote Config [candidate] (595.897 µs) : 0, 596
Telemetry [baseline] (8.599 ms) : 0, 8599
Telemetry [candidate] (8.731 ms) : 0, 8731
Flare Poller [baseline] (3.75 ms) : 0, 3750
Flare Poller [candidate] (3.767 ms) : 0, 3767
ProfilingAgent [baseline] (98.314 ms) : 0, 98314
ProfilingAgent [candidate] (99.268 ms) : 0, 99268
Profiling [baseline] (98.907 ms) : 0, 98907
Profiling [candidate] (99.836 ms) : 0, 99836
Loading
Startup time reports for insecure-bank 
gantt
    title insecure-bank - global startup overhead: candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.064 s) : 0, 1064056
Total [baseline] (8.69 s) : 0, 8689569
Agent [candidate] (1.056 s) : 0, 1056227
Total [candidate] (8.691 s) : 0, 8691464
section iast
Agent [baseline] (1.227 s) : 0, 1226959
Total [baseline] (9.356 s) : 0, 9356090
Agent [candidate] (1.223 s) : 0, 1223355
Total [candidate] (9.368 s) : 0, 9367947
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.064 s -
Agent iast 1.227 s 162.903 ms (15.3%)
Total tracing 8.69 s -
Total iast 9.356 s 666.521 ms (7.7%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.056 s -
Agent iast 1.223 s 167.128 ms (15.8%)
Total tracing 8.691 s -
Total iast 9.368 s 676.483 ms (7.8%) 
gantt
    title insecure-bank - break down per module: candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.193 ms) : 0, 1193
crashtracking [candidate] (1.181 ms) : 0, 1181
BytebuddyAgent [baseline] (627.317 ms) : 0, 627317
BytebuddyAgent [candidate] (622.24 ms) : 0, 622240
AgentMeter [baseline] (28.969 ms) : 0, 28969
AgentMeter [candidate] (28.639 ms) : 0, 28639
GlobalTracer [baseline] (258.46 ms) : 0, 258460
GlobalTracer [candidate] (257.142 ms) : 0, 257142
AppSec [baseline] (33.213 ms) : 0, 33213
AppSec [candidate] (32.764 ms) : 0, 32764
Debugger [baseline] (63.507 ms) : 0, 63507
Debugger [candidate] (59.414 ms) : 0, 59414
Remote Config [baseline] (622.453 µs) : 0, 622
Remote Config [candidate] (618.585 µs) : 0, 619
Telemetry [baseline] (9.846 ms) : 0, 9846
Telemetry [candidate] (9.82 ms) : 0, 9820
Flare Poller [baseline] (5.446 ms) : 0, 5446
Flare Poller [candidate] (9.035 ms) : 0, 9035
section iast
crashtracking [baseline] (1.191 ms) : 0, 1191
crashtracking [candidate] (1.167 ms) : 0, 1167
BytebuddyAgent [baseline] (791.243 ms) : 0, 791243
BytebuddyAgent [candidate] (789.803 ms) : 0, 789803
AgentMeter [baseline] (11.15 ms) : 0, 11150
AgentMeter [candidate] (11.086 ms) : 0, 11086
GlobalTracer [baseline] (248.421 ms) : 0, 248421
GlobalTracer [candidate] (247.497 ms) : 0, 247497
AppSec [baseline] (32.043 ms) : 0, 32043
AppSec [candidate] (31.787 ms) : 0, 31787
Debugger [baseline] (68.015 ms) : 0, 68015
Debugger [candidate] (67.219 ms) : 0, 67219
Remote Config [baseline] (540.78 µs) : 0, 541
Remote Config [candidate] (540.62 µs) : 0, 541
Telemetry [baseline] (8.515 ms) : 0, 8515
Telemetry [candidate] (8.639 ms) : 0, 8639
Flare Poller [baseline] (3.478 ms) : 0, 3478
Flare Poller [candidate] (3.511 ms) : 0, 3511
IAST [baseline] (26.939 ms) : 0, 26939
IAST [candidate] (26.8 ms) : 0, 26800
Loading

Load

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master jpbempel/fix-openj9-symdb
git_commit_date 1769580932 1769596722
git_commit_sha 02d5dc0 0c2d2cc
release_version 1.59.0-SNAPSHOT~02d5dc0038 1.59.0-SNAPSHOT~0c2d2cc5ac
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1769599124 1769599124
ci_job_id 1382790429 1382790429
ci_pipeline_id 93244954 93244954
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-hqb5mw01 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-hqb5mw01 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 4 performance improvements and 0 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:petclinic:code_origins:high_load better
[-945.218µs; -525.256µs] or [-5.274%; -2.931%]		 same
[-904.201µs; +158.231µs] or [-3.125%; +0.547%]		 unstable
[-15.664op/s; +33.226op/s] or [-6.121%; +12.984%]		 17.187ms 28.560ms 264.688op/s 17.922ms 28.933ms 255.906op/s
scenario:load:petclinic:profiling:high_load unsure
[-432.582µs; -45.084µs] or [-2.362%; -0.246%]		 better
[-1.720ms; -0.626ms] or [-5.679%; -2.066%]		 unstable
[-18.040op/s; +29.602op/s] or [-7.245%; +11.888%]		 18.079ms 29.120ms 254.781op/s 18.318ms 30.293ms 249.000op/s
scenario:load:petclinic:no_agent:high_load better
[-2.930ms; -1.716ms] or [-15.632%; -9.153%]		 better
[-3.784ms; -1.019ms] or [-12.360%; -3.328%]		 unstable
[+4.729op/s; +56.834op/s] or [+1.940%; +23.319%]		 16.421ms 28.217ms 274.500op/s 18.744ms 30.619ms 243.719op/s
Request duration reports for insecure-bank 
gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.206 ms) : 1194, 1217
.   : milestone, 1206,
iast (3.256 ms) : 3211, 3300
.   : milestone, 3256,
iast_FULL (5.73 ms) : 5673, 5788
.   : milestone, 5730,
iast_GLOBAL (3.604 ms) : 3545, 3664
.   : milestone, 3604,
profiling (1.994 ms) : 1977, 2010
.   : milestone, 1994,
tracing (1.853 ms) : 1837, 1868
.   : milestone, 1853,
section candidate
no_agent (1.178 ms) : 1166, 1189
.   : milestone, 1178,
iast (3.314 ms) : 3268, 3360
.   : milestone, 3314,
iast_FULL (5.9 ms) : 5840, 5960
.   : milestone, 5900,
iast_GLOBAL (3.67 ms) : 3618, 3723
.   : milestone, 3670,
profiling (2.058 ms) : 2040, 2076
.   : milestone, 2058,
tracing (1.802 ms) : 1787, 1816
.   : milestone, 1802,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.206 ms [1.194 ms, 1.217 ms] -
iast 3.256 ms [3.211 ms, 3.3 ms] 2.05 ms (170.1%)
iast_FULL 5.73 ms [5.673 ms, 5.788 ms] 4.525 ms (375.3%)
iast_GLOBAL 3.604 ms [3.545 ms, 3.664 ms] 2.399 ms (199.0%)
profiling 1.994 ms [1.977 ms, 2.01 ms] 788.262 µs (65.4%)
tracing 1.853 ms [1.837 ms, 1.868 ms] 647.178 µs (53.7%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.178 ms [1.166 ms, 1.189 ms] -
iast 3.314 ms [3.268 ms, 3.36 ms] 2.136 ms (181.4%)
iast_FULL 5.9 ms [5.84 ms, 5.96 ms] 4.722 ms (401.0%)
iast_GLOBAL 3.67 ms [3.618 ms, 3.723 ms] 2.493 ms (211.6%)
profiling 2.058 ms [2.04 ms, 2.076 ms] 880.473 µs (74.8%)
tracing 1.802 ms [1.787 ms, 1.816 ms] 623.79 µs (53.0%)
Request duration reports for petclinic 
gantt
    title petclinic - request duration [CI 0.99] : candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038
    dateFormat X
    axisFormat %s
section baseline
no_agent (19.154 ms) : 18960, 19348
.   : milestone, 19154,
appsec (18.686 ms) : 18495, 18877
.   : milestone, 18686,
code_origins (18.238 ms) : 18060, 18416
.   : milestone, 18238,
iast (17.503 ms) : 17330, 17677
.   : milestone, 17503,
profiling (18.741 ms) : 18550, 18932
.   : milestone, 18741,
tracing (17.582 ms) : 17407, 17757
.   : milestone, 17582,
section candidate
no_agent (16.997 ms) : 16827, 17166
.   : milestone, 16997,
appsec (18.439 ms) : 18248, 18629
.   : milestone, 18439,
code_origins (17.628 ms) : 17452, 17804
.   : milestone, 17628,
iast (17.683 ms) : 17507, 17860
.   : milestone, 17683,
profiling (18.317 ms) : 18136, 18499
.   : milestone, 18317,
tracing (17.917 ms) : 17743, 18092
.   : milestone, 17917,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 19.154 ms [18.96 ms, 19.348 ms] -
appsec 18.686 ms [18.495 ms, 18.877 ms] -468.408 µs (-2.4%)
code_origins 18.238 ms [18.06 ms, 18.416 ms] -916.556 µs (-4.8%)
iast 17.503 ms [17.33 ms, 17.677 ms] -1.651 ms (-8.6%)
profiling 18.741 ms [18.55 ms, 18.932 ms] -413.028 µs (-2.2%)
tracing 17.582 ms [17.407 ms, 17.757 ms] -1.572 ms (-8.2%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 16.997 ms [16.827 ms, 17.166 ms] -
appsec 18.439 ms [18.248 ms, 18.629 ms] 1.442 ms (8.5%)
code_origins 17.628 ms [17.452 ms, 17.804 ms] 631.006 µs (3.7%)
iast 17.683 ms [17.507 ms, 17.86 ms] 686.609 µs (4.0%)
profiling 18.317 ms [18.136 ms, 18.499 ms] 1.321 ms (7.8%)
tracing 17.917 ms [17.743 ms, 18.092 ms] 920.718 µs (5.4%)

Dacapo

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master jpbempel/fix-openj9-symdb
git_commit_date 1769580932 1769596722
git_commit_sha 02d5dc0 0c2d2cc
release_version 1.59.0-SNAPSHOT~02d5dc0038 1.59.0-SNAPSHOT~0c2d2cc5ac
See matching parameters
Baseline Candidate
application biojava biojava
ci_job_date 1769598883 1769598883
ci_job_id 1382790430 1382790430
ci_pipeline_id 93244954 93244954
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-wwi0s7rg 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-wwi0s7rg 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 11 metrics, 1 unstable metrics.

Execution time for biojava 
gantt
    title biojava - execution time [CI 0.99] : candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.034 s) : 15034000, 15034000
.   : milestone, 15034000,
appsec (14.973 s) : 14973000, 14973000
.   : milestone, 14973000,
iast (17.887 s) : 17887000, 17887000
.   : milestone, 17887000,
iast_GLOBAL (17.872 s) : 17872000, 17872000
.   : milestone, 17872000,
profiling (15.457 s) : 15457000, 15457000
.   : milestone, 15457000,
tracing (14.705 s) : 14705000, 14705000
.   : milestone, 14705000,
section candidate
no_agent (15.441 s) : 15441000, 15441000
.   : milestone, 15441000,
appsec (14.643 s) : 14643000, 14643000
.   : milestone, 14643000,
iast (18.502 s) : 18502000, 18502000
.   : milestone, 18502000,
iast_GLOBAL (18.145 s) : 18145000, 18145000
.   : milestone, 18145000,
profiling (14.866 s) : 14866000, 14866000
.   : milestone, 14866000,
tracing (14.888 s) : 14888000, 14888000
.   : milestone, 14888000,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 15.034 s [15.034 s, 15.034 s] -
appsec 14.973 s [14.973 s, 14.973 s] -61.0 ms (-0.4%)
iast 17.887 s [17.887 s, 17.887 s] 2.853 s (19.0%)
iast_GLOBAL 17.872 s [17.872 s, 17.872 s] 2.838 s (18.9%)
profiling 15.457 s [15.457 s, 15.457 s] 423.0 ms (2.8%)
tracing 14.705 s [14.705 s, 14.705 s] -329.0 ms (-2.2%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 15.441 s [15.441 s, 15.441 s] -
appsec 14.643 s [14.643 s, 14.643 s] -798.0 ms (-5.2%)
iast 18.502 s [18.502 s, 18.502 s] 3.061 s (19.8%)
iast_GLOBAL 18.145 s [18.145 s, 18.145 s] 2.704 s (17.5%)
profiling 14.866 s [14.866 s, 14.866 s] -575.0 ms (-3.7%)
tracing 14.888 s [14.888 s, 14.888 s] -553.0 ms (-3.6%)
Execution time for tomcat 
gantt
    title tomcat - execution time [CI 0.99] : candidate=1.59.0-SNAPSHOT~0c2d2cc5ac, baseline=1.59.0-SNAPSHOT~02d5dc0038
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.467 ms) : 1456, 1479
.   : milestone, 1467,
appsec (2.489 ms) : 2434, 2544
.   : milestone, 2489,
iast (2.244 ms) : 2175, 2313
.   : milestone, 2244,
iast_GLOBAL (2.292 ms) : 2222, 2361
.   : milestone, 2292,
profiling (2.074 ms) : 2019, 2129
.   : milestone, 2074,
tracing (2.051 ms) : 1998, 2105
.   : milestone, 2051,
section candidate
no_agent (1.47 ms) : 1459, 1482
.   : milestone, 1470,
appsec (3.691 ms) : 3473, 3909
.   : milestone, 3691,
iast (2.246 ms) : 2176, 2315
.   : milestone, 2246,
iast_GLOBAL (2.3 ms) : 2229, 2370
.   : milestone, 2300,
profiling (2.112 ms) : 2055, 2169
.   : milestone, 2112,
tracing (2.051 ms) : 1998, 2104
.   : milestone, 2051,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.467 ms [1.456 ms, 1.479 ms] -
appsec 2.489 ms [2.434 ms, 2.544 ms] 1.022 ms (69.6%)
iast 2.244 ms [2.175 ms, 2.313 ms] 776.667 µs (52.9%)
iast_GLOBAL 2.292 ms [2.222 ms, 2.361 ms] 824.28 µs (56.2%)
profiling 2.074 ms [2.019 ms, 2.129 ms] 606.56 µs (41.3%)
tracing 2.051 ms [1.998 ms, 2.105 ms] 583.896 µs (39.8%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.47 ms [1.459 ms, 1.482 ms] -
appsec 3.691 ms [3.473 ms, 3.909 ms] 2.22 ms (151.0%)
iast 2.246 ms [2.176 ms, 2.315 ms] 775.41 µs (52.7%)
iast_GLOBAL 2.3 ms [2.229 ms, 2.37 ms] 829.169 µs (56.4%)
profiling 2.112 ms [2.055 ms, 2.169 ms] 641.848 µs (43.7%)
tracing 2.051 ms [1.998 ms, 2.104 ms] 580.823 µs (39.5%)

PerfectSlayer
PerfectSlayer approved these changes Jan 28, 2026
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You might want to run manually the pipeline with all the JDKs to test with J9 if you haven't already 😉

@jpbempel
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jpbempel commented Jan 28, 2026

You might want to run manually the pipeline with all the JDKs to test with J9 if you haven't already 😉

not enough. could not reproduced the issue locally with unit tests. only with a petclinic app

@jpbempel jpbempel merged commit 6ab325e into master Jan 28, 2026
558 of 562 checks passed
@jpbempel jpbempel deleted the jpbempel/fix-openj9-symdb branch January 28, 2026 17:50
@github-actions github-actions bot added this to the 1.59.0 milestone Jan 28, 2026
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comp: debugger Dynamic Instrumentation type: bug Bug report and fix

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@jpbempel @PerfectSlayer @shatzi