Skip to content

Reproducer for Virtual Thread issues#10698

Draft
AlexeyKuznetsov-DD wants to merge 3 commits intomasterfrom
alexeyk/vt-hang-reproducer
Draft

Reproducer for Virtual Thread issues#10698
AlexeyKuznetsov-DD wants to merge 3 commits intomasterfrom
alexeyk/vt-hang-reproducer

Conversation

@AlexeyKuznetsov-DD
Copy link
Copy Markdown
Contributor

@AlexeyKuznetsov-DD AlexeyKuznetsov-DD commented Feb 26, 2026 •
edited
Loading

What Does This Do

Reproducer for Virtual Thread issues.

Motivation

Debug why test failed on CI

Additional Notes

This PR can be used as sample for other similar investigations.

@AlexeyKuznetsov-DD AlexeyKuznetsov-DD self-assigned this Feb 26, 2026
@AlexeyKuznetsov-DD AlexeyKuznetsov-DD added type: bug Bug report and fix tag: do not merge Do not merge changes inst: java Core Java language instrumentation labels Feb 26, 2026
@pr-commenter
Copy link
Copy Markdown

pr-commenter bot commented Feb 26, 2026 •
edited
Loading

Benchmarks

Startup

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master alexeyk/vt-hang-reproducer
git_commit_date 1774872048 1774875784
git_commit_sha 92b8b82 482d8f5
release_version 1.61.0-SNAPSHOT~92b8b827eb 1.61.0-SNAPSHOT~482d8f5481
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1774877733 1774877733
ci_job_id 1549995239 1549995239
ci_pipeline_id 105021922 105021922
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-ya79t7xx 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-ya79t7xx 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 0 performance improvements and 0 performance regressions! Performance is the same for 63 metrics, 8 unstable metrics.

Startup time reports for petclinic 
gantt
    title petclinic - global startup overhead: candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.064 s) : 0, 1064400
Total [baseline] (11.051 s) : 0, 11050879
Agent [candidate] (1.062 s) : 0, 1062050
Total [candidate] (11.037 s) : 0, 11036531
section appsec
Agent [baseline] (1.254 s) : 0, 1254017
Total [baseline] (11.195 s) : 0, 11195416
Agent [candidate] (1.251 s) : 0, 1250893
Total [candidate] (11.183 s) : 0, 11183494
section iast
Agent [baseline] (1.234 s) : 0, 1233659
Total [baseline] (11.277 s) : 0, 11276615
Agent [candidate] (1.242 s) : 0, 1242102
Total [candidate] (11.446 s) : 0, 11445604
section profiling
Agent [baseline] (1.194 s) : 0, 1194142
Total [baseline] (11.079 s) : 0, 11078935
Agent [candidate] (1.192 s) : 0, 1192021
Total [candidate] (11.022 s) : 0, 11022300
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.064 s -
Agent appsec 1.254 s 189.617 ms (17.8%)
Agent iast 1.234 s 169.259 ms (15.9%)
Agent profiling 1.194 s 129.742 ms (12.2%)
Total tracing 11.051 s -
Total appsec 11.195 s 144.537 ms (1.3%)
Total iast 11.277 s 225.736 ms (2.0%)
Total profiling 11.079 s 28.056 ms (0.3%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.062 s -
Agent appsec 1.251 s 188.842 ms (17.8%)
Agent iast 1.242 s 180.052 ms (17.0%)
Agent profiling 1.192 s 129.97 ms (12.2%)
Total tracing 11.037 s -
Total appsec 11.183 s 146.963 ms (1.3%)
Total iast 11.446 s 409.073 ms (3.7%)
Total profiling 11.022 s -14.231 ms (-0.1%) 
gantt
    title petclinic - break down per module: candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.211 ms) : 0, 1211
crashtracking [candidate] (1.206 ms) : 0, 1206
BytebuddyAgent [baseline] (634.29 ms) : 0, 634290
BytebuddyAgent [candidate] (631.548 ms) : 0, 631548
AgentMeter [baseline] (29.504 ms) : 0, 29504
AgentMeter [candidate] (29.447 ms) : 0, 29447
GlobalTracer [baseline] (257.951 ms) : 0, 257951
GlobalTracer [candidate] (257.916 ms) : 0, 257916
AppSec [baseline] (32.092 ms) : 0, 32092
AppSec [candidate] (31.813 ms) : 0, 31813
Debugger [baseline] (60.878 ms) : 0, 60878
Debugger [candidate] (60.292 ms) : 0, 60292
Remote Config [baseline] (595.597 µs) : 0, 596
Remote Config [candidate] (605.803 µs) : 0, 606
Telemetry [baseline] (8.089 ms) : 0, 8089
Telemetry [candidate] (8.048 ms) : 0, 8048
Flare Poller [baseline] (3.568 ms) : 0, 3568
Flare Poller [candidate] (5.11 ms) : 0, 5110
section appsec
crashtracking [baseline] (1.196 ms) : 0, 1196
crashtracking [candidate] (1.194 ms) : 0, 1194
BytebuddyAgent [baseline] (661.627 ms) : 0, 661627
BytebuddyAgent [candidate] (660.532 ms) : 0, 660532
AgentMeter [baseline] (12.286 ms) : 0, 12286
AgentMeter [candidate] (12.224 ms) : 0, 12224
GlobalTracer [baseline] (259.911 ms) : 0, 259911
GlobalTracer [candidate] (258.953 ms) : 0, 258953
AppSec [baseline] (178.313 ms) : 0, 178313
AppSec [candidate] (178.117 ms) : 0, 178117
Debugger [baseline] (66.95 ms) : 0, 66950
Debugger [candidate] (66.567 ms) : 0, 66567
Remote Config [baseline] (665.103 µs) : 0, 665
Remote Config [candidate] (646.737 µs) : 0, 647
Telemetry [baseline] (8.533 ms) : 0, 8533
Telemetry [candidate] (8.389 ms) : 0, 8389
Flare Poller [baseline] (3.652 ms) : 0, 3652
Flare Poller [candidate] (3.659 ms) : 0, 3659
IAST [baseline] (24.388 ms) : 0, 24388
IAST [candidate] (24.261 ms) : 0, 24261
section iast
crashtracking [baseline] (1.198 ms) : 0, 1198
crashtracking [candidate] (1.201 ms) : 0, 1201
BytebuddyAgent [baseline] (799.583 ms) : 0, 799583
BytebuddyAgent [candidate] (806.78 ms) : 0, 806780
AgentMeter [baseline] (11.418 ms) : 0, 11418
AgentMeter [candidate] (11.72 ms) : 0, 11720
GlobalTracer [baseline] (248.515 ms) : 0, 248515
GlobalTracer [candidate] (249.775 ms) : 0, 249775
AppSec [baseline] (26.751 ms) : 0, 26751
AppSec [candidate] (26.851 ms) : 0, 26851
Debugger [baseline] (71.169 ms) : 0, 71169
Debugger [candidate] (70.742 ms) : 0, 70742
Remote Config [baseline] (545.719 µs) : 0, 546
Remote Config [candidate] (527.719 µs) : 0, 528
Telemetry [baseline] (9.383 ms) : 0, 9383
Telemetry [candidate] (9.19 ms) : 0, 9190
Flare Poller [baseline] (3.506 ms) : 0, 3506
Flare Poller [candidate] (3.396 ms) : 0, 3396
IAST [baseline] (25.399 ms) : 0, 25399
IAST [candidate] (25.605 ms) : 0, 25605
section profiling
ProfilingAgent [baseline] (94.686 ms) : 0, 94686
ProfilingAgent [candidate] (93.672 ms) : 0, 93672
crashtracking [baseline] (1.185 ms) : 0, 1185
crashtracking [candidate] (1.19 ms) : 0, 1190
BytebuddyAgent [baseline] (689.712 ms) : 0, 689712
BytebuddyAgent [candidate] (689.115 ms) : 0, 689115
AgentMeter [baseline] (9.075 ms) : 0, 9075
AgentMeter [candidate] (9.074 ms) : 0, 9074
GlobalTracer [baseline] (216.899 ms) : 0, 216899
GlobalTracer [candidate] (216.639 ms) : 0, 216639
AppSec [baseline] (32.589 ms) : 0, 32589
AppSec [candidate] (32.771 ms) : 0, 32771
Debugger [baseline] (66.552 ms) : 0, 66552
Debugger [candidate] (66.227 ms) : 0, 66227
Remote Config [baseline] (579.326 µs) : 0, 579
Remote Config [candidate] (569.2 µs) : 0, 569
Telemetry [baseline] (7.814 ms) : 0, 7814
Telemetry [candidate] (7.785 ms) : 0, 7785
Flare Poller [baseline] (3.567 ms) : 0, 3567
Flare Poller [candidate] (3.566 ms) : 0, 3566
Profiling [baseline] (95.247 ms) : 0, 95247
Profiling [candidate] (94.222 ms) : 0, 94222
Loading
Startup time reports for insecure-bank 
gantt
    title insecure-bank - global startup overhead: candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.058 s) : 0, 1058470
Total [baseline] (8.877 s) : 0, 8877119
Agent [candidate] (1.064 s) : 0, 1064464
Total [candidate] (8.923 s) : 0, 8922882
section iast
Agent [baseline] (1.242 s) : 0, 1242063
Total [baseline] (9.608 s) : 0, 9607815
Agent [candidate] (1.236 s) : 0, 1236285
Total [candidate] (9.561 s) : 0, 9561436
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.058 s -
Agent iast 1.242 s 183.593 ms (17.3%)
Total tracing 8.877 s -
Total iast 9.608 s 730.696 ms (8.2%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.064 s -
Agent iast 1.236 s 171.82 ms (16.1%)
Total tracing 8.923 s -
Total iast 9.561 s 638.554 ms (7.2%) 
gantt
    title insecure-bank - break down per module: candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.197 ms) : 0, 1197
crashtracking [candidate] (1.212 ms) : 0, 1212
BytebuddyAgent [baseline] (631.346 ms) : 0, 631346
BytebuddyAgent [candidate] (632.801 ms) : 0, 632801
AgentMeter [baseline] (29.405 ms) : 0, 29405
AgentMeter [candidate] (29.644 ms) : 0, 29644
GlobalTracer [baseline] (256.911 ms) : 0, 256911
GlobalTracer [candidate] (259.252 ms) : 0, 259252
AppSec [baseline] (31.805 ms) : 0, 31805
AppSec [candidate] (32.292 ms) : 0, 32292
Debugger [baseline] (59.461 ms) : 0, 59461
Debugger [candidate] (60.159 ms) : 0, 60159
Remote Config [baseline] (612.569 µs) : 0, 613
Remote Config [candidate] (587.663 µs) : 0, 588
Telemetry [baseline] (8.075 ms) : 0, 8075
Telemetry [candidate] (8.071 ms) : 0, 8071
Flare Poller [baseline] (3.489 ms) : 0, 3489
Flare Poller [candidate] (4.279 ms) : 0, 4279
section iast
crashtracking [baseline] (1.236 ms) : 0, 1236
crashtracking [candidate] (1.196 ms) : 0, 1196
BytebuddyAgent [baseline] (807.017 ms) : 0, 807017
BytebuddyAgent [candidate] (802.954 ms) : 0, 802954
AgentMeter [baseline] (11.704 ms) : 0, 11704
AgentMeter [candidate] (11.488 ms) : 0, 11488
GlobalTracer [baseline] (250.167 ms) : 0, 250167
GlobalTracer [candidate] (249.061 ms) : 0, 249061
IAST [baseline] (25.655 ms) : 0, 25655
IAST [candidate] (25.542 ms) : 0, 25542
AppSec [baseline] (27.628 ms) : 0, 27628
AppSec [candidate] (26.782 ms) : 0, 26782
Debugger [baseline] (67.029 ms) : 0, 67029
Debugger [candidate] (67.266 ms) : 0, 67266
Remote Config [baseline] (535.018 µs) : 0, 535
Remote Config [candidate] (525.691 µs) : 0, 526
Telemetry [baseline] (10.686 ms) : 0, 10686
Telemetry [candidate] (11.195 ms) : 0, 11195
Flare Poller [baseline] (3.871 ms) : 0, 3871
Flare Poller [candidate] (3.996 ms) : 0, 3996
Loading

Load

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master alexeyk/vt-hang-reproducer
git_commit_date 1774872048 1774875784
git_commit_sha 92b8b82 482d8f5
release_version 1.61.0-SNAPSHOT~92b8b827eb 1.61.0-SNAPSHOT~482d8f5481
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1774878210 1774878210
ci_job_id 1549995243 1549995243
ci_pipeline_id 105021922 105021922
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-0-61ziulb7 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-0-61ziulb7 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 2 performance regressions! Performance is the same for 16 metrics, 18 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:iast_GLOBAL:high_load worse
[+205.426µs; +319.265µs] or [+7.341%; +11.409%]		 worse
[+360.660µs; +834.482µs] or [+4.588%; +10.615%]		 unstable
[-225.906op/s; +38.593op/s] or [-17.503%; +2.990%]		 3.061ms 8.459ms 1197.000op/s 2.798ms 7.862ms 1290.656op/s
Request duration reports for petclinic 
gantt
    title petclinic - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb
    dateFormat X
    axisFormat %s
section baseline
no_agent (18.653 ms) : 18460, 18845
.   : milestone, 18653,
appsec (19.655 ms) : 19456, 19854
.   : milestone, 19655,
code_origins (18.566 ms) : 18376, 18756
.   : milestone, 18566,
iast (17.798 ms) : 17620, 17975
.   : milestone, 17798,
profiling (18.408 ms) : 18226, 18590
.   : milestone, 18408,
tracing (17.697 ms) : 17521, 17872
.   : milestone, 17697,
section candidate
no_agent (19.335 ms) : 19137, 19533
.   : milestone, 19335,
appsec (19.753 ms) : 19551, 19956
.   : milestone, 19753,
code_origins (17.961 ms) : 17781, 18141
.   : milestone, 17961,
iast (18.016 ms) : 17840, 18192
.   : milestone, 18016,
profiling (18.767 ms) : 18577, 18956
.   : milestone, 18767,
tracing (17.949 ms) : 17769, 18130
.   : milestone, 17949,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 18.653 ms [18.46 ms, 18.845 ms] -
appsec 19.655 ms [19.456 ms, 19.854 ms] 1.003 ms (5.4%)
code_origins 18.566 ms [18.376 ms, 18.756 ms] -86.053 µs (-0.5%)
iast 17.798 ms [17.62 ms, 17.975 ms] -854.633 µs (-4.6%)
profiling 18.408 ms [18.226 ms, 18.59 ms] -244.639 µs (-1.3%)
tracing 17.697 ms [17.521 ms, 17.872 ms] -955.926 µs (-5.1%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 19.335 ms [19.137 ms, 19.533 ms] -
appsec 19.753 ms [19.551 ms, 19.956 ms] 418.717 µs (2.2%)
code_origins 17.961 ms [17.781 ms, 18.141 ms] -1.374 ms (-7.1%)
iast 18.016 ms [17.84 ms, 18.192 ms] -1.318 ms (-6.8%)
profiling 18.767 ms [18.577 ms, 18.956 ms] -568.068 µs (-2.9%)
tracing 17.949 ms [17.769 ms, 18.13 ms] -1.385 ms (-7.2%)
Request duration reports for insecure-bank 
gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.226 ms) : 1214, 1238
.   : milestone, 1226,
iast (3.325 ms) : 3278, 3373
.   : milestone, 3325,
iast_FULL (6.068 ms) : 6006, 6131
.   : milestone, 6068,
iast_GLOBAL (3.553 ms) : 3498, 3607
.   : milestone, 3553,
profiling (2.29 ms) : 2268, 2311
.   : milestone, 2290,
tracing (1.868 ms) : 1853, 1883
.   : milestone, 1868,
section candidate
no_agent (1.254 ms) : 1241, 1266
.   : milestone, 1254,
iast (3.31 ms) : 3266, 3354
.   : milestone, 3310,
iast_FULL (5.999 ms) : 5938, 6059
.   : milestone, 5999,
iast_GLOBAL (3.837 ms) : 3773, 3901
.   : milestone, 3837,
profiling (2.187 ms) : 2167, 2207
.   : milestone, 2187,
tracing (1.92 ms) : 1903, 1938
.   : milestone, 1920,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.226 ms [1.214 ms, 1.238 ms] -
iast 3.325 ms [3.278 ms, 3.373 ms] 2.099 ms (171.3%)
iast_FULL 6.068 ms [6.006 ms, 6.131 ms] 4.842 ms (395.0%)
iast_GLOBAL 3.553 ms [3.498 ms, 3.607 ms] 2.327 ms (189.8%)
profiling 2.29 ms [2.268 ms, 2.311 ms] 1.064 ms (86.8%)
tracing 1.868 ms [1.853 ms, 1.883 ms] 641.946 µs (52.4%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.254 ms [1.241 ms, 1.266 ms] -
iast 3.31 ms [3.266 ms, 3.354 ms] 2.056 ms (164.0%)
iast_FULL 5.999 ms [5.938 ms, 6.059 ms] 4.745 ms (378.5%)
iast_GLOBAL 3.837 ms [3.773 ms, 3.901 ms] 2.583 ms (206.1%)
profiling 2.187 ms [2.167 ms, 2.207 ms] 933.366 µs (74.5%)
tracing 1.92 ms [1.903 ms, 1.938 ms] 666.88 µs (53.2%)

Dacapo

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master alexeyk/vt-hang-reproducer
git_commit_date 1774872048 1774875784
git_commit_sha 92b8b82 482d8f5
release_version 1.61.0-SNAPSHOT~92b8b827eb 1.61.0-SNAPSHOT~482d8f5481
See matching parameters
Baseline Candidate
application biojava biojava
ci_job_date 1774877844 1774877844
ci_job_id 1549995248 1549995248
ci_pipeline_id 105021922 105021922
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-v9wz7zvw 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-v9wz7zvw 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=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb
    dateFormat X
    axisFormat %s
section baseline
no_agent (15.053 s) : 15053000, 15053000
.   : milestone, 15053000,
appsec (14.747 s) : 14747000, 14747000
.   : milestone, 14747000,
iast (17.981 s) : 17981000, 17981000
.   : milestone, 17981000,
iast_GLOBAL (17.833 s) : 17833000, 17833000
.   : milestone, 17833000,
profiling (14.772 s) : 14772000, 14772000
.   : milestone, 14772000,
tracing (14.903 s) : 14903000, 14903000
.   : milestone, 14903000,
section candidate
no_agent (15.426 s) : 15426000, 15426000
.   : milestone, 15426000,
appsec (14.823 s) : 14823000, 14823000
.   : milestone, 14823000,
iast (18.269 s) : 18269000, 18269000
.   : milestone, 18269000,
iast_GLOBAL (17.795 s) : 17795000, 17795000
.   : milestone, 17795000,
profiling (14.874 s) : 14874000, 14874000
.   : milestone, 14874000,
tracing (14.967 s) : 14967000, 14967000
.   : milestone, 14967000,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 15.053 s [15.053 s, 15.053 s] -
appsec 14.747 s [14.747 s, 14.747 s] -306.0 ms (-2.0%)
iast 17.981 s [17.981 s, 17.981 s] 2.928 s (19.5%)
iast_GLOBAL 17.833 s [17.833 s, 17.833 s] 2.78 s (18.5%)
profiling 14.772 s [14.772 s, 14.772 s] -281.0 ms (-1.9%)
tracing 14.903 s [14.903 s, 14.903 s] -150.0 ms (-1.0%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 15.426 s [15.426 s, 15.426 s] -
appsec 14.823 s [14.823 s, 14.823 s] -603.0 ms (-3.9%)
iast 18.269 s [18.269 s, 18.269 s] 2.843 s (18.4%)
iast_GLOBAL 17.795 s [17.795 s, 17.795 s] 2.369 s (15.4%)
profiling 14.874 s [14.874 s, 14.874 s] -552.0 ms (-3.6%)
tracing 14.967 s [14.967 s, 14.967 s] -459.0 ms (-3.0%)
Execution time for tomcat 
gantt
    title tomcat - execution time [CI 0.99] : candidate=1.61.0-SNAPSHOT~482d8f5481, baseline=1.61.0-SNAPSHOT~92b8b827eb
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.486 ms) : 1475, 1498
.   : milestone, 1486,
appsec (3.766 ms) : 3547, 3986
.   : milestone, 3766,
iast (2.27 ms) : 2202, 2339
.   : milestone, 2270,
iast_GLOBAL (2.323 ms) : 2254, 2393
.   : milestone, 2323,
profiling (2.087 ms) : 2032, 2141
.   : milestone, 2087,
tracing (2.085 ms) : 2032, 2139
.   : milestone, 2085,
section candidate
no_agent (1.487 ms) : 1476, 1499
.   : milestone, 1487,
appsec (3.817 ms) : 3592, 4043
.   : milestone, 3817,
iast (2.266 ms) : 2197, 2335
.   : milestone, 2266,
iast_GLOBAL (2.311 ms) : 2241, 2380
.   : milestone, 2311,
profiling (2.093 ms) : 2039, 2148
.   : milestone, 2093,
tracing (2.072 ms) : 2018, 2125
.   : milestone, 2072,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.486 ms [1.475 ms, 1.498 ms] -
appsec 3.766 ms [3.547 ms, 3.986 ms] 2.28 ms (153.4%)
iast 2.27 ms [2.202 ms, 2.339 ms] 784.057 µs (52.7%)
iast_GLOBAL 2.323 ms [2.254 ms, 2.393 ms] 837.094 µs (56.3%)
profiling 2.087 ms [2.032 ms, 2.141 ms] 600.166 µs (40.4%)
tracing 2.085 ms [2.032 ms, 2.139 ms] 598.751 µs (40.3%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.487 ms [1.476 ms, 1.499 ms] -
appsec 3.817 ms [3.592 ms, 4.043 ms] 2.33 ms (156.7%)
iast 2.266 ms [2.197 ms, 2.335 ms] 778.457 µs (52.3%)
iast_GLOBAL 2.311 ms [2.241 ms, 2.38 ms] 823.516 µs (55.4%)
profiling 2.093 ms [2.039 ms, 2.148 ms] 606.327 µs (40.8%)
tracing 2.072 ms [2.018 ms, 2.125 ms] 584.585 µs (39.3%)

@PerfectSlayer PerfectSlayer force-pushed the alexeyk/vt-hang-reproducer branch from fe5b6e5 to 5aaa71a Compare March 30, 2026 12:34
@PerfectSlayer PerfectSlayer force-pushed the alexeyk/vt-hang-reproducer branch from 9f0a7fb to a862b9a Compare March 31, 2026 11:03
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

No reviews

Assignees

@AlexeyKuznetsov-DD AlexeyKuznetsov-DD

Labels

inst: java Core Java language instrumentation tag: do not merge Do not merge changes type: bug Bug report and fix

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

2 participants

@AlexeyKuznetsov-DD @PerfectSlayer