Extend JPS re-implementation to J9 family by MattAlp · Pull Request #8813 · DataDog/dd-trace-java

MattAlp · 2025-05-13T13:46:44Z

What Does This Do

This adds support for obtaining running Java process IDs for the J9 family of JDKs, which use a directory other than Hotspot's hsperfdata_USER.

Motivation

#8792 was designed with Hotspot in mind. A follow-up dive into J9's source confirmed our suspicions that their implementation diverges & requires additional logic.

Additional Notes

Contributor Checklist

Format the title according the contribution guidelines
Assign the type: and (comp: or inst:) labels in addition to any usefull labels
Don't use close, fix or any linking keywords when referencing an issue.
Use solves instead, and assign the PR milestone to the issue
Update the public documentation in case of new configuration flag or behavior

Jira ticket: PROF-11787

… impl.

Co-authored-by: Jaroslav Bachorik <jaroslav.bachorik@datadoghq.com>

Co-authored-by: Brice Dutheil <brice.dutheil@gmail.com>

MattAlp · 2025-05-13T13:49:13Z

The conflicts on this branch appear due to me forking off of the branch that was used for #8792, which would have had all commits squashed during the merge.

PerfectSlayer

Interesting changes.
I think I will move this class to a common component soon (I will evolve the cli one) around the capture / analyze of the system / JVM environment.

internal-api/src/main/java/datadog/trace/util/PidHelper.java

pr-commenter · 2025-05-13T14:32:03Z

Benchmarks

Startup

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	mattalp/support-jps-for-j9
git_commit_date	1747158315	1747159013
git_commit_sha	`6459b5e`	`b69c69d`
release_version	1.50.0-SNAPSHOT~6459b5ec16	1.50.0-SNAPSHOT~b69c69d836

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1747161442	1747161442
ci_job_id	936467734	936467734
ci_pipeline_id	64980226	64980226
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner-jms2qywj-project-304-concurrent-1-9azy8n6s 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner-jms2qywj-project-304-concurrent-1-9azy8n6s 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
module	Agent	Agent
parent	None	None
variant	iast	iast

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 59 metrics, 12 unstable metrics.

Startup time reports for petclinic

gantt
    title petclinic - global startup overhead: candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.02 s) : 0, 1019940
Total [baseline] (10.511 s) : 0, 10511294
Agent [candidate] (1.024 s) : 0, 1023807
Total [candidate] (10.462 s) : 0, 10462028
section appsec
Agent [baseline] (1.167 s) : 0, 1167050
Total [baseline] (10.688 s) : 0, 10687679
Agent [candidate] (1.162 s) : 0, 1161967
Total [candidate] (10.716 s) : 0, 10716460
section iast
Agent [baseline] (1.148 s) : 0, 1147956
Total [baseline] (10.93 s) : 0, 10929985
Agent [candidate] (1.161 s) : 0, 1161078
Total [candidate] (10.865 s) : 0, 10865131
section profiling
Agent [baseline] (1.279 s) : 0, 1278520
Total [baseline] (10.783 s) : 0, 10782700
Agent [candidate] (1.277 s) : 0, 1276729
Total [candidate] (10.782 s) : 0, 10782012

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.02 s	-
Agent	appsec	1.167 s	147.11 ms (14.4%)
Agent	iast	1.148 s	128.015 ms (12.6%)
Agent	profiling	1.279 s	258.579 ms (25.4%)
Total	tracing	10.511 s	-
Total	appsec	10.688 s	176.385 ms (1.7%)
Total	iast	10.93 s	418.691 ms (4.0%)
Total	profiling	10.783 s	271.406 ms (2.6%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.024 s	-
Agent	appsec	1.162 s	138.161 ms (13.5%)
Agent	iast	1.161 s	137.272 ms (13.4%)
Agent	profiling	1.277 s	252.923 ms (24.7%)
Total	tracing	10.462 s	-
Total	appsec	10.716 s	254.432 ms (2.4%)
Total	iast	10.865 s	403.103 ms (3.9%)
Total	profiling	10.782 s	319.984 ms (3.1%)

gantt
    title petclinic - break down per module: candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16

    dateFormat X
    axisFormat %s
section tracing
BytebuddyAgent [baseline] (682.786 ms) : 0, 682786
BytebuddyAgent [candidate] (684.226 ms) : 0, 684226
GlobalTracer [baseline] (239.89 ms) : 0, 239890
GlobalTracer [candidate] (241.379 ms) : 0, 241379
AppSec [baseline] (54.808 ms) : 0, 54808
AppSec [candidate] (54.708 ms) : 0, 54708
Debugger [baseline] (8.348 ms) : 0, 8348
Debugger [candidate] (7.697 ms) : 0, 7697
Remote Config [baseline] (695.158 µs) : 0, 695
Remote Config [candidate] (713.231 µs) : 0, 713
Telemetry [baseline] (9.787 ms) : 0, 9787
Telemetry [candidate] (11.522 ms) : 0, 11522
section appsec
BytebuddyAgent [baseline] (703.756 ms) : 0, 703756
BytebuddyAgent [candidate] (700.645 ms) : 0, 700645
GlobalTracer [baseline] (237.547 ms) : 0, 237547
GlobalTracer [candidate] (236.771 ms) : 0, 236771
IAST [baseline] (21.918 ms) : 0, 21918
IAST [candidate] (21.63 ms) : 0, 21630
AppSec [baseline] (176.977 ms) : 0, 176977
AppSec [candidate] (176.101 ms) : 0, 176101
Debugger [baseline] (6.007 ms) : 0, 6007
Debugger [candidate] (5.968 ms) : 0, 5968
Remote Config [baseline] (628.747 µs) : 0, 629
Remote Config [candidate] (630.507 µs) : 0, 631
Telemetry [baseline] (7.455 ms) : 0, 7455
Telemetry [candidate] (7.444 ms) : 0, 7444
section iast
BytebuddyAgent [baseline] (801.476 ms) : 0, 801476
BytebuddyAgent [candidate] (810.669 ms) : 0, 810669
GlobalTracer [baseline] (230.797 ms) : 0, 230797
GlobalTracer [candidate] (232.357 ms) : 0, 232357
IAST [baseline] (29.648 ms) : 0, 29648
IAST [candidate] (26.223 ms) : 0, 26223
AppSec [baseline] (48.335 ms) : 0, 48335
AppSec [candidate] (52.711 ms) : 0, 52711
Debugger [baseline] (5.879 ms) : 0, 5879
Debugger [candidate] (5.998 ms) : 0, 5998
Remote Config [baseline] (588.469 µs) : 0, 588
Remote Config [candidate] (620.067 µs) : 0, 620
Telemetry [baseline] (7.839 ms) : 0, 7839
Telemetry [candidate] (7.998 ms) : 0, 7998
section profiling
BytebuddyAgent [baseline] (672.859 ms) : 0, 672859
BytebuddyAgent [candidate] (672.279 ms) : 0, 672279
GlobalTracer [baseline] (374.756 ms) : 0, 374756
GlobalTracer [candidate] (374.226 ms) : 0, 374226
AppSec [baseline] (62.01 ms) : 0, 62010
AppSec [candidate] (61.748 ms) : 0, 61748
Debugger [baseline] (6.259 ms) : 0, 6259
Debugger [candidate] (6.28 ms) : 0, 6280
Remote Config [baseline] (650.865 µs) : 0, 651
Remote Config [candidate] (649.801 µs) : 0, 650
Telemetry [baseline] (8.239 ms) : 0, 8239
Telemetry [candidate] (8.186 ms) : 0, 8186
ProfilingAgent [baseline] (103.02 ms) : 0, 103020
ProfilingAgent [candidate] (102.512 ms) : 0, 102512
Profiling [baseline] (103.044 ms) : 0, 103044
Profiling [candidate] (102.536 ms) : 0, 102536

Startup time reports for insecure-bank

gantt
    title insecure-bank - global startup overhead: candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.022 s) : 0, 1021760
Total [baseline] (8.646 s) : 0, 8646236
Agent [candidate] (1.02 s) : 0, 1020338
Total [candidate] (8.664 s) : 0, 8663780
section iast
Agent [baseline] (1.145 s) : 0, 1145129
Total [baseline] (9.233 s) : 0, 9233049
Agent [candidate] (1.148 s) : 0, 1147591
Total [candidate] (9.239 s) : 0, 9239359
section iast_HARDCODED_SECRET_DISABLED
Agent [baseline] (1.148 s) : 0, 1148196
Total [baseline] (9.175 s) : 0, 9174757
Agent [candidate] (1.147 s) : 0, 1146733
Total [candidate] (9.16 s) : 0, 9160251
section iast_TELEMETRY_OFF
Agent [baseline] (1.144 s) : 0, 1144041
Total [baseline] (9.181 s) : 0, 9181024
Agent [candidate] (1.141 s) : 0, 1141197
Total [candidate] (9.197 s) : 0, 9196554

baseline results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.022 s	-
Agent	iast	1.145 s	123.369 ms (12.1%)
Agent	iast_HARDCODED_SECRET_DISABLED	1.148 s	126.436 ms (12.4%)
Agent	iast_TELEMETRY_OFF	1.144 s	122.281 ms (12.0%)
Total	tracing	8.646 s	-
Total	iast	9.233 s	586.813 ms (6.8%)
Total	iast_HARDCODED_SECRET_DISABLED	9.175 s	528.521 ms (6.1%)
Total	iast_TELEMETRY_OFF	9.181 s	534.788 ms (6.2%)

candidate results

Module	Variant	Duration	Δ tracing
Agent	tracing	1.02 s	-
Agent	iast	1.148 s	127.252 ms (12.5%)
Agent	iast_HARDCODED_SECRET_DISABLED	1.147 s	126.395 ms (12.4%)
Agent	iast_TELEMETRY_OFF	1.141 s	120.859 ms (11.8%)
Total	tracing	8.664 s	-
Total	iast	9.239 s	575.579 ms (6.6%)
Total	iast_HARDCODED_SECRET_DISABLED	9.16 s	496.471 ms (5.7%)
Total	iast_TELEMETRY_OFF	9.197 s	532.774 ms (6.1%)

gantt
    title insecure-bank - break down per module: candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16

    dateFormat X
    axisFormat %s
section tracing
BytebuddyAgent [baseline] (682.294 ms) : 0, 682294
BytebuddyAgent [candidate] (681.798 ms) : 0, 681798
GlobalTracer [baseline] (239.759 ms) : 0, 239759
GlobalTracer [candidate] (240.032 ms) : 0, 240032
AppSec [baseline] (54.546 ms) : 0, 54546
AppSec [candidate] (54.584 ms) : 0, 54584
Debugger [baseline] (11.214 ms) : 0, 11214
Debugger [candidate] (10.495 ms) : 0, 10495
Remote Config [baseline] (694.838 µs) : 0, 695
Remote Config [candidate] (701.39 µs) : 0, 701
Telemetry [baseline] (9.749 ms) : 0, 9749
Telemetry [candidate] (9.11 ms) : 0, 9110
section iast
BytebuddyAgent [baseline] (799.078 ms) : 0, 799078
BytebuddyAgent [candidate] (801.124 ms) : 0, 801124
GlobalTracer [baseline] (229.786 ms) : 0, 229786
GlobalTracer [candidate] (230.258 ms) : 0, 230258
IAST [baseline] (27.333 ms) : 0, 27333
IAST [candidate] (27.974 ms) : 0, 27974
AppSec [baseline] (51.165 ms) : 0, 51165
AppSec [candidate] (50.215 ms) : 0, 50215
Debugger [baseline] (5.851 ms) : 0, 5851
Debugger [candidate] (5.925 ms) : 0, 5925
Remote Config [baseline] (605.335 µs) : 0, 605
Remote Config [candidate] (603.895 µs) : 0, 604
Telemetry [baseline] (7.849 ms) : 0, 7849
Telemetry [candidate] (7.898 ms) : 0, 7898
section iast_HARDCODED_SECRET_DISABLED
BytebuddyAgent [baseline] (801.436 ms) : 0, 801436
BytebuddyAgent [candidate] (799.671 ms) : 0, 799671
GlobalTracer [baseline] (230.262 ms) : 0, 230262
GlobalTracer [candidate] (230.3 ms) : 0, 230300
IAST [baseline] (29.29 ms) : 0, 29290
IAST [candidate] (27.917 ms) : 0, 27917
AppSec [baseline] (49.305 ms) : 0, 49305
AppSec [candidate] (51.043 ms) : 0, 51043
Debugger [baseline] (5.854 ms) : 0, 5854
Debugger [candidate] (5.888 ms) : 0, 5888
Remote Config [baseline] (580.223 µs) : 0, 580
Remote Config [candidate] (595.114 µs) : 0, 595
Telemetry [baseline] (7.92 ms) : 0, 7920
Telemetry [candidate] (7.853 ms) : 0, 7853
section iast_TELEMETRY_OFF
BytebuddyAgent [baseline] (797.721 ms) : 0, 797721
BytebuddyAgent [candidate] (795.526 ms) : 0, 795526
GlobalTracer [baseline] (230.221 ms) : 0, 230221
GlobalTracer [candidate] (229.826 ms) : 0, 229826
IAST [baseline] (23.027 ms) : 0, 23027
IAST [candidate] (23.73 ms) : 0, 23730
AppSec [baseline] (55.192 ms) : 0, 55192
AppSec [candidate] (54.313 ms) : 0, 54313
Debugger [baseline] (5.956 ms) : 0, 5956
Debugger [candidate] (5.942 ms) : 0, 5942
Remote Config [baseline] (602.921 µs) : 0, 603
Remote Config [candidate] (583.698 µs) : 0, 584
Telemetry [baseline] (7.779 ms) : 0, 7779
Telemetry [candidate] (7.805 ms) : 0, 7805

Load

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
end_time	2025-05-13T18:07:55	2025-05-13T18:15:39
git_branch	master	mattalp/support-jps-for-j9
git_commit_date	1747158315	1747159013
git_commit_sha	`6459b5e`	`b69c69d`
release_version	1.50.0-SNAPSHOT~6459b5ec16	1.50.0-SNAPSHOT~b69c69d836
start_time	2025-05-13T18:07:41	2025-05-13T18:15:25

See matching parameters

	Baseline	Candidate
application	insecure-bank	insecure-bank
ci_job_date	1747160537	1747160537
ci_job_id	936467735	936467735
ci_pipeline_id	64980226	64980226
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner--wkrlhht-project-304-concurrent-0-xfk1axf8 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner--wkrlhht-project-304-concurrent-0-xfk1axf8 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
variant	iast	iast

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 12 metrics, 18 unstable metrics.

Request duration reports for insecure-bank

gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16
    dateFormat X
    axisFormat %s
section baseline
no_agent (378.462 µs) : 358, 399
.   : milestone, 378,
iast (519.951 µs) : 496, 543
.   : milestone, 520,
iast_FULL (730.594 µs) : 709, 752
.   : milestone, 731,
iast_GLOBAL (578.094 µs) : 556, 601
.   : milestone, 578,
iast_HARDCODED_SECRET_DISABLED (515.523 µs) : 493, 538
.   : milestone, 516,
iast_INACTIVE (465.947 µs) : 444, 488
.   : milestone, 466,
iast_TELEMETRY_OFF (506.251 µs) : 483, 529
.   : milestone, 506,
tracing (461.055 µs) : 439, 483
.   : milestone, 461,
section candidate
no_agent (382.16 µs) : 362, 402
.   : milestone, 382,
iast (529.076 µs) : 506, 553
.   : milestone, 529,
iast_FULL (734.374 µs) : 713, 756
.   : milestone, 734,
iast_GLOBAL (556.827 µs) : 535, 579
.   : milestone, 557,
iast_HARDCODED_SECRET_DISABLED (528.063 µs) : 505, 552
.   : milestone, 528,
iast_INACTIVE (466.776 µs) : 445, 489
.   : milestone, 467,
iast_TELEMETRY_OFF (521.013 µs) : 498, 544
.   : milestone, 521,
tracing (462.631 µs) : 440, 485
.   : milestone, 463,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	378.462 µs [358.147 µs, 398.777 µs]	-
iast	519.951 µs [496.414 µs, 543.488 µs]	141.489 µs (37.4%)
iast_FULL	730.594 µs [708.741 µs, 752.446 µs]	352.132 µs (93.0%)
iast_GLOBAL	578.094 µs [555.668 µs, 600.519 µs]	199.632 µs (52.7%)
iast_HARDCODED_SECRET_DISABLED	515.523 µs [493.077 µs, 537.969 µs]	137.061 µs (36.2%)
iast_INACTIVE	465.947 µs [443.713 µs, 488.182 µs]	87.485 µs (23.1%)
iast_TELEMETRY_OFF	506.251 µs [483.338 µs, 529.163 µs]	127.789 µs (33.8%)
tracing	461.055 µs [438.857 µs, 483.253 µs]	82.593 µs (21.8%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	382.16 µs [362.295 µs, 402.025 µs]	-
iast	529.076 µs [505.641 µs, 552.511 µs]	146.916 µs (38.4%)
iast_FULL	734.374 µs [712.66 µs, 756.088 µs]	352.214 µs (92.2%)
iast_GLOBAL	556.827 µs [535.0 µs, 578.654 µs]	174.667 µs (45.7%)
iast_HARDCODED_SECRET_DISABLED	528.063 µs [504.611 µs, 551.516 µs]	145.904 µs (38.2%)
iast_INACTIVE	466.776 µs [444.886 µs, 488.666 µs]	84.616 µs (22.1%)
iast_TELEMETRY_OFF	521.013 µs [497.82 µs, 544.205 µs]	138.853 µs (36.3%)
tracing	462.631 µs [440.262 µs, 485.001 µs]	80.471 µs (21.1%)

Request duration reports for petclinic

gantt
    title petclinic - request duration [CI 0.99] : candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.352 ms) : 1332, 1372
.   : milestone, 1352,
appsec (1.747 ms) : 1724, 1771
.   : milestone, 1747,
appsec_no_iast (1.75 ms) : 1726, 1773
.   : milestone, 1750,
code_origins (1.68 ms) : 1653, 1707
.   : milestone, 1680,
iast (1.515 ms) : 1490, 1540
.   : milestone, 1515,
profiling (1.507 ms) : 1484, 1530
.   : milestone, 1507,
tracing (1.496 ms) : 1473, 1519
.   : milestone, 1496,
section candidate
no_agent (1.367 ms) : 1347, 1387
.   : milestone, 1367,
appsec (1.722 ms) : 1699, 1745
.   : milestone, 1722,
appsec_no_iast (1.731 ms) : 1708, 1754
.   : milestone, 1731,
code_origins (1.677 ms) : 1651, 1703
.   : milestone, 1677,
iast (1.525 ms) : 1501, 1549
.   : milestone, 1525,
profiling (1.529 ms) : 1505, 1553
.   : milestone, 1529,
tracing (1.512 ms) : 1488, 1536
.   : milestone, 1512,

baseline results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.352 ms [1.332 ms, 1.372 ms]	-
appsec	1.747 ms [1.724 ms, 1.771 ms]	395.384 µs (29.2%)
appsec_no_iast	1.75 ms [1.726 ms, 1.773 ms]	397.707 µs (29.4%)
code_origins	1.68 ms [1.653 ms, 1.707 ms]	328.257 µs (24.3%)
iast	1.515 ms [1.49 ms, 1.54 ms]	163.092 µs (12.1%)
profiling	1.507 ms [1.484 ms, 1.53 ms]	154.961 µs (11.5%)
tracing	1.496 ms [1.473 ms, 1.519 ms]	144.155 µs (10.7%)

candidate results

Variant	Request duration [CI 0.99]	Δ no_agent
no_agent	1.367 ms [1.347 ms, 1.387 ms]	-
appsec	1.722 ms [1.699 ms, 1.745 ms]	355.068 µs (26.0%)
appsec_no_iast	1.731 ms [1.708 ms, 1.754 ms]	364.2 µs (26.6%)
code_origins	1.677 ms [1.651 ms, 1.703 ms]	310.213 µs (22.7%)
iast	1.525 ms [1.501 ms, 1.549 ms]	158.435 µs (11.6%)
profiling	1.529 ms [1.505 ms, 1.553 ms]	162.353 µs (11.9%)
tracing	1.512 ms [1.488 ms, 1.536 ms]	145.176 µs (10.6%)

Dacapo

Parameters

	Baseline	Candidate
baseline_or_candidate	baseline	candidate
git_branch	master	mattalp/support-jps-for-j9
git_commit_date	1747158315	1747159013
git_commit_sha	`6459b5e`	`b69c69d`
release_version	1.50.0-SNAPSHOT~6459b5ec16	1.50.0-SNAPSHOT~b69c69d836

See matching parameters

	Baseline	Candidate
application	biojava	biojava
ci_job_date	1747161084	1747161084
ci_job_id	936467736	936467736
ci_pipeline_id	64980226	64980226
cpu_model	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz	Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version	Linux runner--wkrlhht-project-304-concurrent-1-8428910y 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux	Linux runner--wkrlhht-project-304-concurrent-1-8428910y 6.8.0-1028-aws #30~22.04.1-Ubuntu SMP Sun Apr 20 06:03:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
variant	appsec	appsec

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=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16
    dateFormat X
    axisFormat %s
section baseline
no_agent (14.701 s) : 14701000, 14701000
.   : milestone, 14701000,
appsec (14.945 s) : 14945000, 14945000
.   : milestone, 14945000,
iast (19.04 s) : 19040000, 19040000
.   : milestone, 19040000,
iast_GLOBAL (18.182 s) : 18182000, 18182000
.   : milestone, 18182000,
profiling (15.177 s) : 15177000, 15177000
.   : milestone, 15177000,
tracing (15.129 s) : 15129000, 15129000
.   : milestone, 15129000,
section candidate
no_agent (15.43 s) : 15430000, 15430000
.   : milestone, 15430000,
appsec (14.966 s) : 14966000, 14966000
.   : milestone, 14966000,
iast (18.944 s) : 18944000, 18944000
.   : milestone, 18944000,
iast_GLOBAL (18.048 s) : 18048000, 18048000
.   : milestone, 18048000,
profiling (15.11 s) : 15110000, 15110000
.   : milestone, 15110000,
tracing (14.993 s) : 14993000, 14993000
.   : milestone, 14993000,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	14.701 s [14.701 s, 14.701 s]	-
appsec	14.945 s [14.945 s, 14.945 s]	244.0 ms (1.7%)
iast	19.04 s [19.04 s, 19.04 s]	4.339 s (29.5%)
iast_GLOBAL	18.182 s [18.182 s, 18.182 s]	3.481 s (23.7%)
profiling	15.177 s [15.177 s, 15.177 s]	476.0 ms (3.2%)
tracing	15.129 s [15.129 s, 15.129 s]	428.0 ms (2.9%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	15.43 s [15.43 s, 15.43 s]	-
appsec	14.966 s [14.966 s, 14.966 s]	-464.0 ms (-3.0%)
iast	18.944 s [18.944 s, 18.944 s]	3.514 s (22.8%)
iast_GLOBAL	18.048 s [18.048 s, 18.048 s]	2.618 s (17.0%)
profiling	15.11 s [15.11 s, 15.11 s]	-320.0 ms (-2.1%)
tracing	14.993 s [14.993 s, 14.993 s]	-437.0 ms (-2.8%)

Execution time for tomcat

gantt
    title tomcat - execution time [CI 0.99] : candidate=1.50.0-SNAPSHOT~b69c69d836, baseline=1.50.0-SNAPSHOT~6459b5ec16
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.474 ms) : 1463, 1486
.   : milestone, 1474,
appsec (2.4 ms) : 2351, 2449
.   : milestone, 2400,
iast (2.176 ms) : 2114, 2238
.   : milestone, 2176,
iast_GLOBAL (2.218 ms) : 2156, 2280
.   : milestone, 2218,
profiling (2.022 ms) : 1972, 2071
.   : milestone, 2022,
tracing (2.006 ms) : 1958, 2054
.   : milestone, 2006,
section candidate
no_agent (1.471 ms) : 1460, 1483
.   : milestone, 1471,
appsec (2.405 ms) : 2356, 2454
.   : milestone, 2405,
iast (2.184 ms) : 2123, 2246
.   : milestone, 2184,
iast_GLOBAL (2.229 ms) : 2167, 2292
.   : milestone, 2229,
profiling (2.5 ms) : 2318, 2683
.   : milestone, 2500,
tracing (2.003 ms) : 1955, 2051
.   : milestone, 2003,

baseline results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.474 ms [1.463 ms, 1.486 ms]	-
appsec	2.4 ms [2.351 ms, 2.449 ms]	926.055 µs (62.8%)
iast	2.176 ms [2.114 ms, 2.238 ms]	701.738 µs (47.6%)
iast_GLOBAL	2.218 ms [2.156 ms, 2.28 ms]	743.926 µs (50.5%)
profiling	2.022 ms [1.972 ms, 2.071 ms]	547.486 µs (37.1%)
tracing	2.006 ms [1.958 ms, 2.054 ms]	531.527 µs (36.1%)

candidate results

Variant	Execution Time [CI 0.99]	Δ no_agent
no_agent	1.471 ms [1.46 ms, 1.483 ms]	-
appsec	2.405 ms [2.356 ms, 2.454 ms]	934.116 µs (63.5%)
iast	2.184 ms [2.123 ms, 2.246 ms]	713.067 µs (48.5%)
iast_GLOBAL	2.229 ms [2.167 ms, 2.292 ms]	758.319 µs (51.5%)
profiling	2.5 ms [2.318 ms, 2.683 ms]	1.029 ms (70.0%)
tracing	2.003 ms [1.955 ms, 2.051 ms]	531.734 µs (36.1%)

internal-api/src/main/java/datadog/trace/util/PidHelper.java

jbachorik

Approved, assuming the Integer.parseInt is gone.

| Package | Type | Package file | Manager | Update | Change | |---|---|---|---|---|---| | [com.datadoghq:dd-trace-api](https://github.com/datadog/dd-trace-java) | dependencies | misk/gradle/libs.versions.toml | gradle | minor | `1.49.0` -> `1.50.0` | --- ### Release Notes <details> <summary>datadog/dd-trace-java (com.datadoghq:dd-trace-api)</summary> ### [`v1.50.0`](https://github.com/DataDog/dd-trace-java/releases/tag/v1.50.0): 1.50.0 ### Deprecation Notice > \[!NOTE] > `DD_RUNTIME_ID_ENABLED` has been deprecated and will be removed in future releases. Please use `DD_RUNTIME_METRICS_RUNTIME_ID_ENABLED` instead. ### Components #### Application Security Management (WAF) - 🐛 Add String length truncation limit to ObjectIntrospector and update truncation metrics ([#8825](DataDog/dd-trace-java#8825) - [@jandro996](https://github.com/jandro996)) - 🐛 Adapt standalone ASM to support API Security ([#8804](DataDog/dd-trace-java#8804) - [@jandro996](https://github.com/jandro996)) - ✨ Add appsec.waf.input\_truncated metric ([#8791](DataDog/dd-trace-java#8791) - [@jandro996](https://github.com/jandro996)) - ✨ Extended appsec request body collection ([#8748](DataDog/dd-trace-java#8748) - [@jandro996](https://github.com/jandro996)) - ✨ Extended appsec request/response headers collection ([#8724](DataDog/dd-trace-java#8724) - [@jandro996](https://github.com/jandro996)) #### Build & Tooling - ✨ Add artifacts to public s3 bucket ([#8947](DataDog/dd-trace-java#8947) - [@randomanderson](https://github.com/randomanderson)) #### Continuous Integration Visibility - ✨ Improve PR information building ([#8908](DataDog/dd-trace-java#8908) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - ✨ Truncate span stack traces when Test Optimization is enabled ([#8903](DataDog/dd-trace-java#8903) - [@nikita-tkachenko-datadog](https://github.com/nikita-tkachenko-datadog)) - 🐛 Ensure auto-detected service name is the same for every process in the same build ([#8902](DataDog/dd-trace-java#8902) - [@nikita-tkachenko-datadog](https://github.com/nikita-tkachenko-datadog)) - 🐛 Use tag as fallback in api requests if no branch is available ([#8876](DataDog/dd-trace-java#8876) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - ✨ Add support for JUnit 5.13-RC1 ([#8865](DataDog/dd-trace-java#8865), [#8871](DataDog/dd-trace-java#8871) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - ✨ Implement attempt to fix v3 and v4 and bump capability version ([#8824](DataDog/dd-trace-java#8824) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - 🧹 Align retry logic for all test framework instrumentations ([#8803](DataDog/dd-trace-java#8803) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - 🐛 Always build ci workspace without trailing separator ([#8788](DataDog/dd-trace-java#8788) - [@daniel-mohedano](https://github.com/daniel-mohedano)) - ✨ Add commit discrepancies telemetry when building repository git information ([#8763](DataDog/dd-trace-java#8763) - [@daniel-mohedano](https://github.com/daniel-mohedano)) #### Data Streams Monitoring - 💡 Surface process tags in dsm payloads and use them for base hash calculation ([#8836](DataDog/dd-trace-java#8836) - [@amarziali](https://github.com/amarziali)) #### Dynamic Instrumentation - ✨ Optimized allocations for collection filter functions ([#8896](DataDog/dd-trace-java#8896) - [@jpbempel](https://github.com/jpbempel)) - 🐛 Fix SymDB upload size check ([#8887](DataDog/dd-trace-java#8887) - [@jpbempel](https://github.com/jpbempel)) - 🐛 Add support for Set in filter function ([#8873](DataDog/dd-trace-java#8873) - [@jpbempel](https://github.com/jpbempel)) - 🐛 Add support for isDefined in log template ([#8859](DataDog/dd-trace-java#8859) - [@jpbempel](https://github.com/jpbempel)) - 🐛 Fix Max captured frames for Exception Replay ([#8856](DataDog/dd-trace-java#8856) - [@jpbempel](https://github.com/jpbempel)) - 🐛 Remove static inherited fields collection ([#8832](DataDog/dd-trace-java#8832) - [@jpbempel](https://github.com/jpbempel)) - 💡 Add process tags to dynamic instrumentation intake payload ([#8779](DataDog/dd-trace-java#8779) - [@amarziali](https://github.com/amarziali)) #### GraalVM native-image - ✨ Add support for GraalVM Native GC metrics ([#8913](DataDog/dd-trace-java#8913) - [@ygree](https://github.com/ygree)) - ✨ Add JMXFetch support for GraalVM Native ([#8569](DataDog/dd-trace-java#8569) - [@ygree](https://github.com/ygree)) #### JMX fetch - ✨ Add support for GraalVM Native GC metrics ([#8913](DataDog/dd-trace-java#8913) - [@ygree](https://github.com/ygree)) #### Library Injection - ✨ Deny oracle db jvm based tools ([#8909](DataDog/dd-trace-java#8909) - [@bric3](https://github.com/bric3)) #### OpenTracing - 🐛 Fix OT packaging for exception replay ([#8912](DataDog/dd-trace-java#8912) - [@jpbempel](https://github.com/jpbempel)) #### Profiling - ✨ Bump ddprof to 1.27.0 ([#8893](DataDog/dd-trace-java#8893) - [@jbachorik](https://github.com/jbachorik)) - Properly handle the adaptive sampling interval overflow by [@jbachorik](https://github.com/jbachorik) in DataDog/java-profiler#213 - Fix [#200](DataDog/dd-trace-java#200) Crash related to aligned\_alloc and free in context by [@yanglong1010](https://github.com/yanglong1010) in DataDog/java-profiler#208 - Explicitly initialize empty context page by [@jbachorik](https://github.com/jbachorik) in DataDog/java-profiler#210 - Re-connect crash recursion protection with VM stackwalker by [@jbachorik](https://github.com/jbachorik) in DataDog/java-profiler#214 - ✨ Enable ZSTD compression for profiling ([#8862](DataDog/dd-trace-java#8862) - [@MattAlp](https://github.com/MattAlp)) - ✨ Extend JPS re-implementation to J9 family ([#8813](DataDog/dd-trace-java#8813) - [@MattAlp](https://github.com/MattAlp)) - 💡 Collect process tags for profiling upload requests ([#8780](DataDog/dd-trace-java#8780) - [@amarziali](https://github.com/amarziali)) #### Telemetry - 💡 Surface process tags on telemetry payloads ([#8837](DataDog/dd-trace-java#8837) - [@amarziali](https://github.com/amarziali)) #### Trace context propagation - ✨ Migrating all HttpClient Instrumentations to Inject Full Context ([#8826](DataDog/dd-trace-java#8826) - [@mhlidd](https://github.com/mhlidd)) - ✨ Migrating all HttpServer Instrumentations to Extract full Context ([#8820](DataDog/dd-trace-java#8820) - [@mhlidd](https://github.com/mhlidd)) - ✨ Add context API support OTel propagators ([#8770](DataDog/dd-trace-java#8770) - [@PerfectSlayer](https://github.com/PerfectSlayer)) #### Tracer core - ✨⚡ Skip JAXB generated classes classloader ([#9003](DataDog/dd-trace-java#9003) - [@bric3](https://github.com/bric3)) - ✨ Add DD\_RUNTIME\_METRICS\_RUNTIME\_ID\_ENABLED alias for runtime id generation ([#8981](DataDog/dd-trace-java#8981) - [@amarziali](https://github.com/amarziali)) - 🐛 Use resolved address for peer.hostname when available without hitting the cache ([#8915](DataDog/dd-trace-java#8915) - [@amarziali](https://github.com/amarziali)) - 💡 Surface server name process tag for tomcat ([#8894](DataDog/dd-trace-java#8894) - [@amarziali](https://github.com/amarziali)) - 💡 Surface websphere cell and server name on process tags ([#8880](DataDog/dd-trace-java#8880) - [@amarziali](https://github.com/amarziali)) - ✨ Added special lightweight pre-main class that skips installation on incompatible JVMs. ([#8855](DataDog/dd-trace-java#8855) - [@AlexeyKuznetsov-DD](https://github.com/AlexeyKuznetsov-DD)) - 💡 Add entrypoint type to process tags ([#8839](DataDog/dd-trace-java#8839) - [@amarziali](https://github.com/amarziali)) - ✨ Extend JPS re-implementation to J9 family ([#8813](DataDog/dd-trace-java#8813) - [@MattAlp](https://github.com/MattAlp)) - ✨ Notify listeners when the scope top changes after switching scope stacks ([#8797](DataDog/dd-trace-java#8797) - [@mcculls](https://github.com/mcculls)) - ✨ Read hsperfdata for Java PIDs if jvmstat is unavailable ([#8792](DataDog/dd-trace-java#8792) - [@MattAlp](https://github.com/MattAlp)) - 🐛 Turn JDK socket support on by default ([#8752](DataDog/dd-trace-java#8752) - [@sarahchen6](https://github.com/sarahchen6)) - ✨ Simplify context propagation ([#8719](DataDog/dd-trace-java#8719) - [@PerfectSlayer](https://github.com/PerfectSlayer)) - ✨ Add JSON parsing support ([#8579](DataDog/dd-trace-java#8579) - [@PerfectSlayer](https://github.com/PerfectSlayer)) #### Tracer internal logging - ✨ Fix printing format of span identifiers ([#8897](DataDog/dd-trace-java#8897) - [@vandonr](https://github.com/vandonr)) #### Tracer public API - 💡 Track the source of installation ([#8956](DataDog/dd-trace-java#8956) - [@mabdinur](https://github.com/mabdinur)) - ✨ Enforce size limit on application\_monitoring.yaml files ([#8789](DataDog/dd-trace-java#8789) - [@mtoffl01](https://github.com/mtoffl01)) - ✨ Enabling baggage cache to support limits and non-ascii characters ([#8713](DataDog/dd-trace-java#8713) - [@mhlidd](https://github.com/mhlidd)) ### Instrumentations #### AWS Lambda instrumentation - ✨ Pass Lambda Request ID to Extension ([#8814](DataDog/dd-trace-java#8814) - [@nhulston](https://github.com/nhulston)) #### Core Java language instrumentation - ✨ Ensure ClassloadingInstrumentation is always applied even with `DD_TRACE_ENABLED=false` ([#8863](DataDog/dd-trace-java#8863) - [@mcculls](https://github.com/mcculls)) #### Eclipse Vert.x instrumentation - 🐛 Do not override route with / in vertx instrumentation ([#8881](DataDog/dd-trace-java#8881) - [@vandonr](https://github.com/vandonr)) #### IBM Liberty - 🐛 Fix error mark on http status for IBM liberty ([#8822](DataDog/dd-trace-java#8822) - [@amarziali](https://github.com/amarziali)) #### JDBC instrumentation - 🐛 Do not prepend DBM <> APM trace comment in SQLCommenter if there is a pg plan hint ([#8864](DataDog/dd-trace-java#8864) - [@edengorevoy](https://github.com/edengorevoy)) #### JMS instrumentation - ✨ Add jms as an extra integration name where there is JMS involved ([#8933](DataDog/dd-trace-java#8933) - [@vandonr](https://github.com/vandonr)) #### Kotlin instrumentation - ✨ Enable kotlin\_coroutine integration by default ([#8848](DataDog/dd-trace-java#8848) - [@mcculls](https://github.com/mcculls)) - 🧹 Rework Kotlin coroutines instrumentation around coroutine context ([#8774](DataDog/dd-trace-java#8774) - [@mcculls](https://github.com/mcculls)) #### OpenTelemetry instrumentation - 🐛 Support WithSpan inheritContext attribute ([#8858](DataDog/dd-trace-java#8858) - [@amarziali](https://github.com/amarziali)) - ✨ Add context API support OTel propagators ([#8770](DataDog/dd-trace-java#8770) - [@PerfectSlayer](https://github.com/PerfectSlayer)) #### Play Framework instrumentation - 🐛 Fix the Play Framework's span resource name priority so that the client JAX-RS 404 cannot override it ([#8591](DataDog/dd-trace-java#8591) - [@ygree](https://github.com/ygree)) #### Quarkus Instrumentation - 🐛 Ignore quarkus jaxrs stubs and cdi wrapper proxies ([#8891](DataDog/dd-trace-java#8891) - [@amarziali](https://github.com/amarziali)) #### ServiceTalk - ✨ Improve ServiceTalk Captured Context API Instrumentation for v0.42.56+ ([#8821](DataDog/dd-trace-java#8821) - [@ygree](https://github.com/ygree)) #### Spring instrumentation - ✨ Supporting Baggage for Instrumentations used in Weblog Tests ([#8773](DataDog/dd-trace-java#8773) - [@mhlidd](https://github.com/mhlidd)) #### WebSocket Instrumentation - 💡 Trace websocket for spring webflux reactive handlers ([#8831](DataDog/dd-trace-java#8831) - [@amarziali](https://github.com/amarziali)) - 💡:test\_tube: WebSocket support for Netty ([#8632](DataDog/dd-trace-java#8632) - [@ValentinZakharov](https://github.com/ValentinZakharov)) #### Zio Instrumentation - 🧹 Cleanup Zio fiber instrumentation to avoid repeated activation of continuation ([#8798](DataDog/dd-trace-java#8798) - [@mcculls](https://github.com/mcculls)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - "after 6pm every weekday,before 2am every weekday" in timezone Australia/Melbourne, Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **Rebasing**: Never, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). GitOrigin-RevId: 9207366cdb6a1bd098082305d354a0a3c4622d7a

Matt and others added 6 commits May 9, 2025 09:48

Read hsperfdata for Java PIDs if jvmstat is unavailable

2691513

Add equivalent to JDK os::get_temp_directory() for clean-room jvmstat…

1dfd54f

… impl.

Add a comment documenting how JVM processes are enumerated

44ea4e6

Co-authored-by: Jaroslav Bachorik <jaroslav.bachorik@datadoghq.com>

Remove unnecessary defensive path separator

6e7e380

Co-authored-by: Brice Dutheil <brice.dutheil@gmail.com>

Spotless

d7886c6

Add support for J9 equivalent of JPS

2c8d7ca

MattAlp requested a review from jbachorik May 13, 2025 13:46

MattAlp requested a review from a team as a code owner May 13, 2025 13:46

MattAlp requested a review from amarziali May 13, 2025 13:46

MattAlp added type: enhancement Enhancements and improvements comp: core Tracer core comp: profiling Profiling tag: ibm IBM JVM related labels May 13, 2025

Merge branch 'master' into mattalp/support-jps-for-j9

362cedb

PerfectSlayer approved these changes May 13, 2025

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Filter for PID files when emulating jps + nit changes

38f6879

MattAlp requested a review from jbachorik May 13, 2025 15:44

Matt added 2 commits May 13, 2025 11:52

Filter for PID files and directories, minor bugfix

440c832

Filter for PID files and directories, minor bugfix

419bb40

jbachorik reviewed May 13, 2025

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Replace Integer.parseInt with character-check scan

b69c69d

MattAlp merged commit 0903cf4 into master May 13, 2025
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MattAlp deleted the mattalp/support-jps-for-j9 branch May 13, 2025 22:30

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Extend JPS re-implementation to J9 family#8813

Extend JPS re-implementation to J9 family#8813
MattAlp merged 11 commits intomasterfrom
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