You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-21 - 10:50
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 rack4slot6.osadl.org (updated Mon Apr 21, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1710521230,116pltrace0-21swapper/219:07:412
1710521220,113pltrace0-21swapper/619:06:406
1710521010,92pltrace0-21swapper/519:05:225
171052960,81pltrace0-21swapper/319:05:243
171052940,91pltrace0-21swapper/119:05:221
193032920,0sleep50-21swapper/520:30:195
171052800,71pltrace0-21swapper/719:05:197
220125944,11sleep00-21swapper/019:05:060
428725743,10sleep40-21swapper/419:05:414
2317352350,2pltrace0-21swapper/720:40:137
2211752350,5pltrace0-21swapper/719:40:207
752152300,0pltrace0-21swapper/721:10:127
3047552280,2pltrace0-21swapper/719:55:217
480899241,22cyclictest0-21swapper/100:12:381
1376752220,11pltrace1166-21runrttasks19:27:193
2978552200,12pltrace54-21ksoftirqd/423:10:174
1992652200,7pltrace0-21swapper/722:44:237
1760752200,13pltrace19542-21ntpq20:30:217
1486252200,5pltrace0-21swapper/723:43:547
80252180,14pltrace54-21ksoftirqd/420:00:154
4812991813,3cyclictest0-21swapper/219:46:262
366852180,11pltrace54-21ksoftirqd/420:05:274
3257252180,1pltrace361rcuc/223:13:282
3153352180,4pltrace0-21swapper/720:54:127
3153352180,4pltrace0-21swapper/720:54:127
1760752180,12pltrace0-21swapper/120:30:181
804352170,0pltrace0-21swapper/722:19:257
62952170,0pltrace0-21swapper/700:25:117
4832991711,5cyclictest0-21swapper/700:17:347
482899171,4cyclictest0-21swapper/600:32:146
482599171,15cyclictest0-21swapper/520:50:015
482599171,15cyclictest0-21swapper/520:50:015
4808991712,4cyclictest0-21swapper/121:24:231
480899171,8cyclictest0-21swapper/119:33:591
480499179,7cyclictest0-21swapper/020:03:280
3153352170,0pltrace0-21swapper/720:55:177
2211752170,13pltrace54-21ksoftirqd/419:40:244
1933652170,12pltrace54-21ksoftirqd/419:37:464
1203852170,0pltrace0-21swapper/720:19:437
4832991610,5cyclictest0-21swapper/719:15:257
483299161,8cyclictest0-21swapper/720:20:217
483299160,15cyclictest0-21swapper/722:33:507
482899168,7cyclictest1069-17sedispatch00:40:006
4828991611,4cyclictest0-21swapper/620:26:546
482899161,8cyclictest0-21swapper/600:19:166
482899160,1cyclictest0-21swapper/620:00:246
4825991611,3cyclictest0-21swapper/522:59:515
4821991612,3cyclictest0-21swapper/421:23:144
481699161,4cyclictest0-21swapper/323:42:253
481299161,7cyclictest0-21swapper/200:10:202
4808991610,5cyclictest0-21swapper/122:45:261
480499160,14cyclictest0-21swapper/020:46:350
480499160,14cyclictest0-21swapper/020:46:350
2623952160,10pltrace54-21ksoftirqd/422:58:454
2220852160,14pltrace54-21ksoftirqd/421:41:564
1760752160,10pltrace0-21swapper/220:30:142
701652150,3pltrace54-21ksoftirqd/400:39:424
483299150,8cyclictest0-21swapper/723:02:517
483299150,7cyclictest0-21swapper/720:26:347
483299150,14cyclictest0-21swapper/720:01:547
483299150,14cyclictest0-21swapper/700:30:297
482899159,5cyclictest0-21swapper/622:39:506
482899157,6cyclictest1066-13audispd22:00:006
4828991510,4cyclictest0-21swapper/622:52:216
482899151,9cyclictest0-21swapper/620:30:206
482899151,7cyclictest0-21swapper/623:51:196
482899151,13cyclictest0-21swapper/623:59:566
482899150,8cyclictest0-21swapper/623:37:346
482899150,7cyclictest0-21swapper/622:45:026
482899150,4cyclictest0-21swapper/623:31:586
482899150,4cyclictest0-21swapper/623:02:196
482899150,14cyclictest0-21swapper/621:17:506
482899150,14cyclictest0-21swapper/620:06:036
482899150,14cyclictest0-21swapper/600:21:596
482899150,11cyclictest0-21swapper/621:01:076
482899150,1cyclictest0-21swapper/621:41:346
482899150,1cyclictest0-21swapper/620:16:166
4825991511,3cyclictest1069-17sedispatch23:55:005
4825991510,3cyclictest0-21swapper/519:35:165
4825991510,3cyclictest0-21swapper/519:29:285
482599150,7cyclictest0-21swapper/523:35:225
482599150,14cyclictest0-21swapper/521:23:595
482599150,13cyclictest0-21swapper/520:42:075
4821991513,1cyclictest0-21swapper/400:20:074
4821991511,3cyclictest1028-17auditd00:00:004
482199150,8cyclictest0-21swapper/419:27:224
482199150,8cyclictest0-21swapper/419:12:184
482199150,7cyclictest0-21swapper/422:50:344
482199150,4cyclictest1544-21awk00:30:014
482199150,3cyclictest0-21swapper/400:05:174
482199150,14cyclictest0-21swapper/420:38:224
482199150,13cyclictest0-21swapper/423:28:524
4816991510,3cyclictest0-21swapper/323:21:303
4816991510,2cyclictest0-21swapper/300:03:023
481699151,7cyclictest0-21swapper/320:49:283
481699151,7cyclictest0-21swapper/320:49:283
481699150,7cyclictest0-21swapper/323:45:013
481699150,3cyclictest0-21swapper/320:53:053
481699150,3cyclictest0-21swapper/320:53:053
481699150,3cyclictest0-21swapper/300:18:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional