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2024-04-27 - 14:03
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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 rack0slot7.osadl.org (updated Sat Apr 27, 2024 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34139252221161,50sleep140-21swapper/1419:06:316
34143092215198,9sleep60-21swapper/619:09:5012
34142052197179,9sleep50-21swapper/519:08:2911
34140882184178,3sleep30-21swapper/319:07:399
34140632176168,4sleep40-21swapper/419:07:2410
34139462169152,9sleep10-21swapper/119:06:491
19777201610,155pipewire0-21swapper/1319:05:295
34139192141122,9sleep80-21swapper/819:06:2314
34139392139119,10sleep110-21swapper/1119:06:433
34139612138115,2sleep70-21swapper/719:06:5513
34132472136110,24sleep150-21swapper/1519:06:157
19769201260,124pipewire-pulse0-21swapper/1019:09:162
34142602115114,0sleep00-21swapper/019:09:120
34142382114110,1sleep20-21swapper/219:08:588
3415148998079,1cyclictest938038-1kworker/u33:223:15:529
3415149997550,16cyclictest3838037-21kthreadcore23:55:2710
3415149997465,0cyclictest0-21swapper/400:00:5910
1977720660,55pipewire0-21swapper/1219:05:014
341419226551,8sleep90-21swapper/919:08:1715
3415153996463,1cyclictest938038-1kworker/u33:223:53:5714
3415154995817,39cyclictest733148-21Isolated01:24:0715
3415160995656,0cyclictest0-21swapper/1520:38:337
3415155995620,31cyclictest728715-21Isolated01:24:072
3415146995533,10cyclictest25-21ksoftirqd/123:10:371
3415160995453,0cyclictest0-21swapper/1523:47:357
341515599541,1cyclictest3727595-21Compositor22:35:062
341515599541,1cyclictest3727595-21Compositor22:35:052
3415147995418,36cyclictest1594126-21WRWorker#119:58:068
3415147995418,36cyclictest1594126-21WRWorker#119:58:068
3415146995450,3cyclictest25-21ksoftirqd/120:35:351
3415159995353,0cyclictest0-21swapper/1421:57:266
3415158995252,0cyclictest1936402-1kworker/u33:023:13:595
3415158995251,1cyclictest19466-1kworker/u33:000:20:085
3415154995212,1cyclictest733168-21TaskCon~ller15
3415151995251,1cyclictest938038-1kworker/u33:223:15:5912
3415146995113,25cyclictest3074021-21ssh23:07:391
341515599509,3cyclictest733171-21ImageBridgeChld00:08:102
341516099490,20cyclictest0-21swapper/1519:21:097
341516099490,19cyclictest0-21swapper/1519:44:047
3415152994921,25cyclictest9734-21Xorg21:55:3513
3415147994913,36cyclictest0-21swapper/223:42:198
143999490,4ntpd109-21ksoftirqd/1321:18:475
3415159994830,9cyclictest0-21swapper/1421:45:486
341515999480,48cyclictest0-21swapper/1422:46:346
341515699488,14cyclictest1539739-21Isolated01:24:073
3415155994820,27cyclictest0-21swapper/1023:28:142
143999480,0ntpd0-21swapper/1321:29:405
3415156994716,1cyclictest1976920pipewire-pulse21:38:333
3415155994717,0cyclictest18509-21gnome-shell21:31:282
3415152994746,1cyclictest0-21swapper/721:20:5013
341515499462,7cyclictest18509-21gnome-shell22:52:3515
3415151994619,6cyclictest3727693-21WebExtensions23:10:2112
3415150994626,11cyclictest3589268-21TaskCon~ller11
3415145994645,1cyclictest938038-1kworker/u33:220:41:150
143999460,1ntpd109-21ksoftirqd/1319:56:395
143999460,1ntpd109-21ksoftirqd/1319:56:385
3415156994520,3cyclictest733148-21Isolated01:24:073
3415155994520,3cyclictest667361-21MediaSu~or2
3415152994541,1cyclictest67-21ksoftirqd/700:20:5513
3415152994519,4cyclictest3727443-21firefox20:35:4313
3415146994539,5cyclictest25-21ksoftirqd/123:49:501
341515599448,5cyclictest733168-21TaskCon~ller2
341515499443,6cyclictest18509-21gnome-shell20:52:1915
3415154994419,19cyclictest3727443-21firefox22:37:1515
3415154994419,19cyclictest3727443-21firefox22:37:1415
3415149994424,19cyclictest733148-21Isolated01:24:0710
143999440,2ntpd109-21ksoftirqd/1321:23:235
143999440,1ntpd109-21ksoftirqd/1300:15:335
3415157994322,1cyclictest102-21ksoftirqd/1221:42:154
3415157994319,1cyclictest0-21swapper/1223:09:344
341515599431,10cyclictest0-21swapper/1023:32:152
341515599430,3cyclictest0-21swapper/1021:57:522
341515499432,36cyclictest9734-21Xorg20:34:3815
3415154994316,22cyclictest733148-21Isolated01:24:0715
3415154994314,1cyclictest0-21swapper/921:31:2815
3415154994313,1cyclictest733148-21Isolated01:24:0715
3415152994316,23cyclictest733165-21TaskCon~ller13
3415151994336,7cyclictest60-21ksoftirqd/620:45:3612
3415151994319,4cyclictest2749418-21MediaPD~oder12
3415150994342,1cyclictest0-21swapper/523:26:1011
341514899436,21cyclictest1368485-21MediaPD~oder9
3415147994312,31cyclictest3727582-21Renderer23:38:338
3415145994341,1cyclictest18509-21gnome-shell22:05:130
3415145994341,1cyclictest18509-21gnome-shell22:05:120
341514599430,43cyclictest0-21swapper/023:08:080
143999430,1ntpd109-21ksoftirqd/1321:34:405
3415159994227,1cyclictest0-21swapper/1423:14:486
3415156994239,2cyclictest729346-21TaskCon~ller3
3415155994241,1cyclictest938038-1kworker/u33:220:45:392
3415155994221,6cyclictest1126787-21MediaPD~oder2
341515599420,5cyclictest734295-21MediaDe~hine2
3415154994216,6cyclictest0-21swapper/923:28:1415
3415151994218,4cyclictest9734-21Xorg20:55:2612
3415148994242,0cyclictest0-21swapper/322:48:079
3415148994217,22cyclictest39-21ksoftirqd/323:10:389
3415147994222,17cyclictest2020325-21ssh22:05:058
3415147994222,17cyclictest2020325-21ssh22:05:058
3415146994242,0cyclictest0-21swapper/120:43:571
143999420,2ntpd109-21ksoftirqd/1300:05:165
143999420,1ntpd109-21ksoftirqd/1323:54:265
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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