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2025-04-22 - 18:36
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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
Characteristics of the 100 highest latencies:
System rackcslot0.osadl.org (updated Tue Apr 22, 2025 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3136321440,6sleep61914099cyclictest22:50:3812
2821921280,0sleep30-21swapper/321:59:149
18479212891,32sleep50-21swapper/519:15:2211
183832127105,17sleep30-21swapper/319:13:599
186462126101,20sleep110-21swapper/1119:17:043
1497521170,1sleep100-21swapper/1023:59:422
1497521170,1sleep100-21swapper/1023:59:422
15234211194,8sleep80-21swapper/819:12:4414
2585621090,1sleep60-21swapper/621:43:1412
18565210993,12sleep150-21swapper/1519:16:367
1407921080,1sleep01913099cyclictest22:52:570
896721060,1sleep12114-21ksoftirqd/1223:17:454
2579121060,5sleep31913699cyclictest23:15:289
1770821030,1sleep100-21swapper/1021:26:592
1770821030,1sleep100-21swapper/1021:26:592
18460210076,19sleep60-21swapper/619:15:0712
123012960,1sleep150-21swapper/1523:28:307
318102940,0sleep90-21swapper/922:04:2515
1863929275,4sleep40-21swapper/419:16:5710
5012910,1sleep150-21swapper/1521:59:587
1522829175,4sleep20-21swapper/219:12:388
211372890,1sleep70-21swapper/723:04:0213
1849128972,13sleep00-21swapper/019:15:330
1841428976,9sleep140-21swapper/1419:14:276
166552880,1sleep130-21swapper/1322:27:455
270682860,1sleep30-21swapper/323:41:089
1857728672,8sleep100-21swapper/1019:16:472
245532850,2sleep111914799cyclictest21:53:453
1853828575,6sleep90-21swapper/919:16:1415
174602850,1sleep70-21swapper/700:00:1213
174602850,1sleep70-21swapper/700:00:1213
25872840,1sleep150-21swapper/1500:34:347
221952840,1sleep70-21swapper/722:28:2713
1849828372,7sleep70-21swapper/719:15:4013
1846828375,4sleep120-21swapper/1219:15:134
1841828375,4sleep10-21swapper/119:14:301
1771528375,4sleep130-21swapper/1319:13:535
162422830,1sleep110-21swapper/1121:31:333
162422830,1sleep110-21swapper/1121:31:333
306432790,1sleep774-21ksoftirqd/721:28:3313
306432790,1sleep774-21ksoftirqd/721:28:3313
19149995549,4cyclictest529-21sshd22:04:355
19149995349,3cyclictest0-21swapper/1321:03:365
19149995146,3cyclictest26164-21sshd21:18:445
19149995146,3cyclictest26164-21sshd21:18:445
19149995145,4cyclictest14111-21sshd21:26:265
19149995145,4cyclictest14111-21sshd21:26:265
19149995046,3cyclictest0-21swapper/1320:43:065
19149995046,2cyclictest23888-21sshd22:08:065
19149995044,4cyclictest0-21swapper/1321:56:295
19142995018,29cyclictest24523-21cups-browsed21:43:4714
19149994945,3cyclictest0-21swapper/1321:58:185
19149994945,3cyclictest0-21swapper/1321:08:385
19149994945,3cyclictest0-21swapper/1320:49:085
19149994944,3cyclictest509-21systemd-journal21:33:475
19149994944,3cyclictest509-21systemd-journal21:33:475
19149994943,4cyclictest0-21swapper/1322:14:245
19149994943,4cyclictest0-21swapper/1321:30:075
19149994943,4cyclictest0-21swapper/1321:30:075
69532480,1sleep110-21swapper/1123:01:573
19149994845,2cyclictest0-21swapper/1321:13:065
19149994845,2cyclictest0-21swapper/1319:28:525
19149994844,3cyclictest0-21swapper/1320:58:245
19149994643,2cyclictest0-21swapper/1319:22:515
19149994642,3cyclictest0-21swapper/1320:57:315
19142994619,24cyclictest1033-21gdbus21:48:2314
19142994516,4cyclictest25163-21sshd23:25:3314
19149994440,3cyclictest0-21swapper/1320:41:135
19149994440,3cyclictest0-21swapper/1319:21:595
1914299431,3cyclictest24523-21cups-browsed21:29:4114
1914299431,3cyclictest24523-21cups-browsed21:29:4114
1914299431,3cyclictest1010-21avahi-daemon23:42:1814
1914299431,2cyclictest0-21swapper/823:59:0414
1914299431,2cyclictest0-21swapper/823:59:0414
1914999429,30cyclictest0-21swapper/1322:21:395
1914299421,3cyclictest22323-21sshd22:23:2014
19135994237,3cyclictest0-21swapper/222:18:148
1914999418,30cyclictest0-21swapper/1300:04:135
1914999418,30cyclictest0-21swapper/1300:04:135
19149994116,22cyclictest13401-21sshd23:33:495
19149994112,27cyclictest0-21swapper/1300:08:395
19149994112,27cyclictest0-21swapper/1300:08:395
1914299411,3cyclictest1005-21NetworkManager22:30:1114
19134994137,3cyclictest0-21swapper/120:38:201
19134994137,3cyclictest0-21swapper/120:27:361
19134994137,2cyclictest0-21swapper/120:18:041
1914999405,32cyclictest14150-21sshd23:08:105
19149994037,2cyclictest0-21swapper/1319:51:065
19142994018,19cyclictest28464-21sshd23:20:4614
19142994018,19cyclictest1033-21gdbus22:02:5414
19134994035,3cyclictest0-21swapper/120:02:591
19134994017,3cyclictest4595-21sshd21:29:301
19134994017,3cyclictest4595-21sshd21:29:301
19130994035,4cyclictest0-21swapper/021:37:360
243822390,35sleep110-21swapper/1122:08:133
19149993916,15cyclictest31878110-uname23:26:485
19134993934,3cyclictest0-21swapper/120:12:511
151092390,6sleep91914499cyclictest23:28:5615
1914999388,28cyclictest0-21swapper/1322:47:535
19149993820,16cyclictest0-21swapper/1322:23:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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