You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-10-01 - 20:08
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 rack8slot4.osadl.org (updated Sun Oct 01, 2023 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40564932240178,50sleep40-21swapper/407:05:224
40566192237176,21sleep00-21swapper/007:07:110
40566732235201,23sleep70-21swapper/707:07:587
40567042230174,20sleep20-21swapper/207:08:262
40567732223192,21sleep30-21swapper/307:09:233
40566152222192,20sleep50-21swapper/507:07:085
40567762215181,23sleep60-21swapper/607:09:266
40565282214185,20sleep10-21swapper/107:05:511
4057022994848,0cyclictest0-21swapper/211:34:022
4057022994848,0cyclictest0-21swapper/211:34:022
405703699470,47cyclictest0-21swapper/611:54:076
4057028993915,24cyclictest0-21swapper/411:43:514
4057016993838,0cyclictest0-21swapper/010:43:430
4057022993736,1cyclictest31-21ksoftirqd/211:46:292
4057036993636,0cyclictest4107657-21diskmemload10:01:346
4057028993636,0cyclictest0-21swapper/411:34:024
4057028993636,0cyclictest0-21swapper/411:34:024
405703199340,31cyclictest0-21swapper/510:47:475
405702699340,1cyclictest0-21swapper/310:52:243
4057038993330,3cyclictest0-21swapper/710:02:087
405703899330,5cyclictest2713-21latency_hist10:20:007
405703899330,2cyclictest0-21swapper/710:11:057
405702699330,29cyclictest0-21swapper/312:32:493
405703899320,4cyclictest143308-21chrt12:07:587
405703899320,32cyclictest0-21swapper/711:36:057
405703899320,32cyclictest0-21swapper/711:20:577
405703899320,32cyclictest0-21swapper/710:35:067
405703899320,32cyclictest0-21swapper/710:20:187
405703899320,31cyclictest0-21swapper/712:28:087
405703899320,31cyclictest0-21swapper/712:01:267
4057036993232,0cyclictest0-21swapper/611:49:416
4057031993225,3cyclictest0-21swapper/509:15:185
405703199320,31cyclictest0-21swapper/509:49:125
405703199320,28cyclictest0-21swapper/512:22:015
405703199320,28cyclictest0-21swapper/511:36:045
405703199320,1cyclictest4107657-21diskmemload09:29:185
405703199320,1cyclictest0-21swapper/511:26:255
405702699320,32cyclictest4107657-21diskmemload11:11:203
405702699320,32cyclictest0-21swapper/311:06:023
405702699320,0cyclictest4107657-21diskmemload09:24:223
4057019993228,4cyclictest0-21swapper/110:06:391
405701999320,31cyclictest0-21swapper/109:52:391
405701999320,0cyclictest0-21swapper/110:21:081
4057038993128,3cyclictest0-21swapper/710:52:117
405703899310,3cyclictest0-21swapper/710:29:287
405703899310,3cyclictest0-21swapper/709:24:267
405703899310,31cyclictest0-21swapper/712:38:427
405703899310,31cyclictest0-21swapper/712:33:347
405703899310,31cyclictest0-21swapper/712:23:467
405703899310,31cyclictest0-21swapper/712:18:117
405703899310,31cyclictest0-21swapper/711:56:227
405703899310,31cyclictest0-21swapper/711:41:177
405703899310,31cyclictest0-21swapper/711:31:147
405703899310,31cyclictest0-21swapper/711:31:147
405703899310,31cyclictest0-21swapper/711:26:187
405703899310,31cyclictest0-21swapper/711:17:307
405703899310,31cyclictest0-21swapper/711:02:527
405703899310,31cyclictest0-21swapper/710:56:547
405703899310,31cyclictest0-21swapper/710:47:517
405703899310,31cyclictest0-21swapper/710:43:057
405703899310,31cyclictest0-21swapper/710:06:207
405703899310,31cyclictest0-21swapper/709:43:207
405703899310,31cyclictest0-21swapper/709:35:017
405703899310,31cyclictest0-21swapper/709:33:567
405703899310,31cyclictest0-21swapper/709:29:017
405703899310,31cyclictest0-21swapper/709:19:137
405703899310,30cyclictest4107657-21diskmemload11:46:337
405703899310,30cyclictest0-21swapper/712:11:427
405703899310,30cyclictest0-21swapper/709:57:537
405703899310,30cyclictest0-21swapper/709:49:137
405703899310,30cyclictest0-21swapper/709:13:447
405703899310,30cyclictest0-21swapper/709:13:437
4057031993131,0cyclictest0-21swapper/511:33:295
4057031993131,0cyclictest0-21swapper/511:33:295
4057031993128,3cyclictest0-21swapper/511:01:425
4057031993127,3cyclictest0-21swapper/512:08:065
4057031993127,3cyclictest0-21swapper/510:02:155
405703199310,31cyclictest0-21swapper/510:34:145
405703199310,30cyclictest0-21swapper/511:16:095
405703199310,28cyclictest4107657-21diskmemload12:33:325
405703199310,28cyclictest4107657-21diskmemload10:38:465
405703199310,28cyclictest4107657-21diskmemload10:10:485
405703199310,28cyclictest0-21swapper/511:21:015
405703199310,28cyclictest0-21swapper/509:14:145
405703199310,28cyclictest0-21swapper/509:14:145
405703199310,1cyclictest0-21swapper/510:15:305
405702899310,30cyclictest4082692-21latency_hist08:15:014
4057026993128,3cyclictest4107657-21diskmemload09:13:473
4057026993128,3cyclictest4107657-21diskmemload09:13:473
4057026993128,3cyclictest0-21swapper/309:52:453
4057026993128,2cyclictest4107657-21diskmemload12:22:033
4057026993127,4cyclictest4107657-21diskmemload11:21:003
405702699310,31cyclictest0-21swapper/309:57:213
405702699310,30cyclictest99563-21turbostat.cron11:35:003
405702699310,30cyclictest99563-21turbostat.cron11:35:003
405702699310,30cyclictest4107657-21diskmemload09:43:113
405702699310,30cyclictest0-21swapper/310:42:483
405702699310,28cyclictest4107657-21diskmemload11:01:303
405702699310,28cyclictest0-21swapper/312:27:403
405702699310,28cyclictest0-21swapper/311:25:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional