You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-02 - 00:08
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.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rackbslot7.osadl.org (updated Wed Apr 01, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21161211421,50sleep10-21swapper/106:59:171
21161211421,50sleep10-21swapper/106:59:171
22805991093,68cyclictest2113-21apt-get10:04:211
22805999242,13cyclictest181rcu_preempt10:29:411
22789999165,18cyclictest14441-21kworker/u19:2-rpciod12:29:380
22789999117,37cyclictest15-21ksoftirqd/009:35:130
22789999117,37cyclictest15-21ksoftirqd/009:35:130
22789999117,37cyclictest15-21ksoftirqd/009:35:130
22816999037,14cyclictest0-21swapper/209:16:212
2280599876,49cyclictest29554-21apt-get10:49:291
22789998637,17cyclictest181rcu_preempt10:58:470
22789998637,17cyclictest181rcu_preempt10:58:470
22789998625,22cyclictest15-21ksoftirqd/010:33:320
2278999852,38cyclictest15-21ksoftirqd/010:20:490
22816998464,11cyclictest0-21swapper/209:49:062
22816998443,9cyclictest181rcu_preempt12:07:272
2281699842,59cyclictest16352-21apt-get09:34:222
2281699842,59cyclictest16352-21apt-get09:34:222
2281699842,59cyclictest16352-21apt-get09:34:222
22805998457,11cyclictest181rcu_preempt07:19:261
22805998436,12cyclictest181rcu_preempt08:44:361
22805998435,20cyclictest594-21latency_hist07:34:071
2278999847,41cyclictest15-21ksoftirqd/007:33:480
2278999844,41cyclictest15-21ksoftirqd/010:08:500
22816998361,14cyclictest0-21swapper/208:09:062
22816998350,8cyclictest181rcu_preempt08:44:222
22805998342,11cyclictest181rcu_preempt12:18:321
2278999832,29cyclictest15-21ksoftirqd/008:49:040
22816998258,15cyclictest18603-21apt-key12:19:062
22816998242,18cyclictest22763-21cyclictest12:30:022
22816998238,9cyclictest0-21swapper/208:59:252
22816998238,9cyclictest0-21swapper/208:59:252
2281699823,57cyclictest13812-21apt-get10:24:182
22805998256,11cyclictest181rcu_preempt10:48:041
22805998256,11cyclictest181rcu_preempt10:48:041
22805998238,12cyclictest181rcu_preempt11:29:261
22805998229,25cyclictest0-21swapper/112:04:251
22805998226,33cyclictest0-21swapper/110:35:471
2278999824,49cyclictest15-21ksoftirqd/011:55:030
219792827,50sleep222062-21unixbench_multi06:59:512
219792827,50sleep222062-21unixbench_multi06:59:512
22816998164,11cyclictest26486-21ssh10:44:212
22816998164,11cyclictest26486-21ssh10:44:212
22816998161,10cyclictest0-21swapper/207:44:072
22816998147,8cyclictest181rcu_preempt11:39:452
22805998154,19cyclictest25871-21ssh09:49:321
22805998130,15cyclictest181rcu_preempt07:59:321
2278999817,42cyclictest15-21ksoftirqd/011:14:150
22789998116,37cyclictest15-21ksoftirqd/012:19:010
221922816,59sleep00-21swapper/007:00:140
221922816,59sleep00-21swapper/007:00:140
22816998040,13cyclictest10184-21vmstat11:09:422
22805998055,18cyclictest352-21runrttasks11:59:361
22805998055,18cyclictest352-21runrttasks11:59:361
22805998050,8cyclictest181rcu_preempt08:04:251
22805998048,7cyclictest181rcu_preempt09:44:331
2280599803,54cyclictest14344-21apt-get10:24:181
2280599803,45cyclictest19030-21apt-get12:19:271
2278999806,41cyclictest15-21ksoftirqd/011:11:560
22789998013,38cyclictest15-21ksoftirqd/010:52:060
22816997963,9cyclictest0-21swapper/211:14:322
22816997960,9cyclictest0-21swapper/208:24:062
22816997960,9cyclictest0-21swapper/208:24:062
22816997944,17cyclictest29014-21apt-get10:49:202
22816997925,25cyclictest22127-21fschecks_count08:39:252
22805997941,8cyclictest181rcu_preempt11:54:191
22805997940,12cyclictest181rcu_preempt11:14:261
22789997941,11cyclictest58-21kcompactd008:04:260
22816997860,8cyclictest0-21swapper/208:54:082
22816997845,11cyclictest30243-21diskmemload09:56:302
2281699783,56cyclictest18479-21apt-get12:19:182
22805997847,8cyclictest9554-21ssh11:09:291
22805997833,15cyclictest181rcu_preempt08:29:071
22789997861,13cyclictest20069-21basename08:34:040
2278999783,45cyclictest15-21ksoftirqd/008:02:520
2278999783,42cyclictest15-21ksoftirqd/009:44:050
2278999782,37cyclictest15-21ksoftirqd/009:06:360
22789997811,34cyclictest15-21ksoftirqd/011:00:430
22816997756,15cyclictest11338-21entropy10:19:272
22816997754,15cyclictest5287-21sh10:09:222
22816997754,15cyclictest5287-21sh10:09:222
22816997753,11cyclictest181rcu_preempt10:34:482
22816997737,15cyclictest9946-21kworker/u18:0-flush-0:3209:21:592
22805997756,15cyclictest22763-21cyclictest10:58:131
22805997756,15cyclictest22763-21cyclictest10:58:131
22805997753,9cyclictest181rcu_preempt11:44:211
22805997734,31cyclictest13825-21ssh10:24:041
22789997752,10cyclictest15541-21ssh10:24:560
2278999774,41cyclictest15-21ksoftirqd/010:49:060
2278999774,41cyclictest15-21ksoftirqd/010:49:060
2278999773,30cyclictest15-21ksoftirqd/012:20:240
22816997642,11cyclictest374-21sshd11:30:182
22816997638,11cyclictest58-21kcompactd010:14:402
22805997644,7cyclictest181rcu_preempt12:24:401
22805997644,11cyclictest181rcu_preempt10:18:101
22805997640,8cyclictest181rcu_preempt09:33:391
22789997656,15cyclictest5394-21fschecks_time10:09:250
22789997656,15cyclictest5394-21fschecks_time10:09:250
2278999764,41cyclictest15-21ksoftirqd/011:20:230
2278999763,36cyclictest15-21ksoftirqd/007:09:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional