You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-12 - 10:17
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot1.osadl.org (updated Wed Mar 11, 2026 20:26:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1143721250,3chrt0-21swapper/019:21:450
1143721250,3chrt0-21swapper/019:21:450
733121190,8sleep27330-21grep19:11:472
733121190,8sleep27330-21grep19:11:472
250112900,3chrt0-21swapper/319:57:493
250112900,3chrt0-21swapper/319:57:493
201722790,2chrt19884-21/usr/sbin/munin19:46:370
90072540,3chrt0-21swapper/319:16:423
90072540,3chrt0-21swapper/319:16:423
63572430,2sleep06111-21ls19:11:330
63572430,2sleep06111-21ls19:11:330
321382420,4chrt0-21swapper/320:16:463
174542380,3chrt0-21swapper/219:38:472
174542380,3chrt0-21swapper/219:38:472
93272370,1chrt12-21ksoftirqd/019:16:470
93272370,1chrt12-21ksoftirqd/019:16:470
16912370,4chrt0-21swapper/320:21:443
16912370,4chrt0-21swapper/320:21:443
190452340,5sleep27673-21cyclictest19:41:452
190452340,5sleep27673-21cyclictest19:41:452
7677993324,6cyclictest0-21swapper/319:51:463
122902290,4sleep30-21swapper/319:26:353
121802280,1sleep212288-21awk19:26:352
76252277,13sleep10-21swapper/119:11:591
76252277,13sleep10-21swapper/119:11:591
213942260,3sleep20-21swapper/219:49:402
7675992513,10cyclictest19786-21cat19:46:281
7675992513,10cyclictest19786-21cat19:46:281
767499251,21cyclictest31852-21ls20:16:410
73942251,17sleep30-21swapper/319:11:493
73942251,17sleep30-21swapper/319:11:493
7675992316,5cyclictest11255-21find19:21:441
7675992316,5cyclictest11255-21find19:21:441
767699211,16cyclictest1790-21ls20:21:472
767699211,16cyclictest1790-21ls20:21:472
767599213,9cyclictest21-21ksoftirqd/119:26:471
767499212,4cyclictest131rcu_preempt20:01:370
767499212,4cyclictest131rcu_preempt20:01:370
767499211,17cyclictest23963-21grep19:56:350
767499211,17cyclictest23963-21grep19:56:350
7677992012,6cyclictest0-21swapper/319:46:363
767699208,4cyclictest26016-21cat20:01:392
767699208,4cyclictest26016-21cat20:01:392
767599201,17cyclictest22710-21ls19:51:441
767499201,17cyclictest15290-21unixbench_multi19:31:470
767499201,17cyclictest15290-21unixbench_multi19:31:470
178872200,3sleep30-21swapper/319:41:303
178872200,3sleep30-21swapper/319:41:303
767699192,14cyclictest14633-21ls19:31:382
767699192,14cyclictest14633-21ls19:31:382
767699191,12cyclictest24739-21ls19:56:462
767699191,12cyclictest24739-21ls19:56:462
7675991913,5cyclictest2461-21latency_hist20:26:231
7675991913,5cyclictest2461-21latency_hist20:26:231
7675991910,7cyclictest568-21sendmail20:21:231
767499192,15cyclictest29116-21latency_hist20:11:230
767499192,15cyclictest29116-21latency_hist20:11:230
7674991913,4cyclictest12-21ksoftirqd/020:21:450
7674991913,4cyclictest12-21ksoftirqd/020:21:450
767699182,14cyclictest29215-21latency_hist20:11:262
767699182,14cyclictest29215-21latency_hist20:11:262
767699181,14cyclictest9335-21grep19:16:472
767699181,14cyclictest9335-21grep19:16:472
767599189,7cyclictest16404-21tr19:36:351
767599189,7cyclictest16404-21tr19:36:351
767599187,9cyclictest9002-21open_inodes19:16:421
767599187,9cyclictest9002-21open_inodes19:16:421
767499188,8cyclictest18080-21date19:41:330
767499188,8cyclictest18080-21date19:41:330
767499182,13cyclictest6023-1kworker/0:0H19:51:360
767499181,14cyclictest13855-21cron19:31:230
7674991810,6cyclictest17694-21idleruntime-cro19:41:230
7674991810,6cyclictest17694-21idleruntime-cro19:41:230
767699176,9cyclictest22614-21grep19:51:442
7676991712,3cyclictest31899-21uname20:16:422
767599179,6cyclictest25831-21perl20:01:371
767599179,6cyclictest25831-21perl20:01:371
767599177,8cyclictest24351-21awk19:56:411
767599177,8cyclictest24351-21awk19:56:411
767599175,10cyclictest30446-21grep20:11:471
767599175,10cyclictest30446-21grep20:11:471
767599173,12cyclictest20968-21cat19:46:481
767599171,13cyclictest15353-21grep19:31:471
767599171,13cyclictest15353-21grep19:31:471
767499171,9cyclictest695-21runrttasks20:14:470
767499171,9cyclictest695-21runrttasks20:14:470
767799161,13cyclictest0-21swapper/319:21:453
767799161,13cyclictest0-21swapper/319:21:453
767799161,10cyclictest0-21swapper/320:06:253
767799161,10cyclictest0-21swapper/320:06:253
767699161,12cyclictest29636-21fschecks_time20:11:372
767699161,12cyclictest29636-21fschecks_time20:11:372
767699161,12cyclictest12037-21cat19:26:262
767699161,12cyclictest12037-21cat19:26:262
767599161,12cyclictest28034-21tail20:06:381
767599161,12cyclictest28034-21tail20:06:381
767799151,12cyclictest0-21swapper/319:36:263
767799151,12cyclictest0-21swapper/319:36:263
767799141,10cyclictest30790-21taskset20:12:563
767799141,10cyclictest30790-21taskset20:12:563
767799131,10cyclictest0-21swapper/320:06:333
767799131,10cyclictest0-21swapper/320:06:333
181322130,3sleep30-21swapper/319:41:343
181322130,3sleep30-21swapper/319:41:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional