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2025-07-15 - 22:22
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Tue Jul 15, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2580526754,8sleep10-21swapper/107:03:101
2593926352,7sleep00-21swapper/007:04:320
311632460,0sleep10-21swapper/110:58:051
26428993610,0cyclictest0-21swapper/009:03:430
26429993535,0cyclictest0-21swapper/111:20:271
26428993510,24cyclictest0-21swapper/011:54:390
26428993210,19cyclictest0-21swapper/010:21:430
26429993110,4cyclictest0-21swapper/109:09:191
26429992921,2cyclictest15185-21sh09:16:001
2642999290,20cyclictest31329-21df10:17:571
26429992825,1cyclictest0-21swapper/109:30:451
26428992827,0cyclictest7-21ksoftirqd/010:27:440
26429992710,12cyclictest0-21swapper/111:13:041
26428992626,0cyclictest0-21swapper/009:38:590
26428992610,15cyclictest0-21swapper/011:36:550
26428992610,10cyclictest0-21swapper/009:21:400
2642899260,2cyclictest7933-21diskmemload11:14:490
2642899260,21cyclictest0-21swapper/009:12:370
26428992510,10cyclictest0-21swapper/011:19:560
2642999242,5cyclictest0-21swapper/111:44:331
26429992422,1cyclictest3062-21ls12:28:041
2642999240,4cyclictest0-21swapper/111:36:531
26428992420,2cyclictest5228-21sh09:43:270
26428992410,5cyclictest0-21swapper/009:54:510
26428992410,0cyclictest0-21swapper/010:41:320
2642899240,22cyclictest0-21swapper/011:23:500
2642999232,20cyclictest0-21swapper/110:26:181
26429992315,5cyclictest24-21ksoftirqd/111:49:161
26429992315,4cyclictest3870-21apache210:45:311
2642999231,21cyclictest21983-21kworker/u4:112:21:481
26429992310,12cyclictest0-21swapper/107:26:381
2642899234,13cyclictest0-21swapper/009:12:580
26428992322,1cyclictest7-21ksoftirqd/007:17:580
26428992310,6cyclictest0-21swapper/010:57:590
26428992310,6cyclictest0-21swapper/010:53:300
26428992310,4cyclictest0-21swapper/011:40:140
26428992310,1cyclictest0-21swapper/010:07:360
26429992222,0cyclictest3870-21apache211:06:061
26429992217,4cyclictest817-21apache209:50:581
26429992210,5cyclictest0-21swapper/110:17:441
26429992210,4cyclictest0-21swapper/109:18:551
2642999220,17cyclictest0-21swapper/108:57:591
2642899223,15cyclictest0-21swapper/010:49:530
26428992220,1cyclictest0-21swapper/011:04:270
26428992216,5cyclictest168-21systemd-journal07:27:440
26428992216,3cyclictest0-21swapper/012:15:580
26428992212,7cyclictest10613-21rm10:32:520
2642899221,20cyclictest0-21swapper/012:23:340
26428992210,6cyclictest0-21swapper/009:30:050
26428992210,4cyclictest0-21swapper/011:07:470
2642999212,16cyclictest0-21swapper/110:07:561
26429992119,1cyclictest3889-21apache211:11:571
26429992111,9cyclictest6192-21kworker/1:007:08:271
26429992110,6cyclictest0-21swapper/111:57:571
26429992110,6cyclictest0-21swapper/110:28:401
26429992110,5cyclictest0-21swapper/109:58:291
26428992119,1cyclictest5818-21ssh11:48:260
26428992110,7cyclictest0-21swapper/012:34:430
26428992110,7cyclictest0-21swapper/011:47:330
2642899210,14cyclictest0-21swapper/012:04:080
2642999207,12cyclictest0-21swapper/107:57:561
2642999202,5cyclictest0-21swapper/110:36:001
2642999202,3cyclictest0-21swapper/112:36:181
2642999202,11cyclictest0-21swapper/110:03:061
2642999202,11cyclictest0-21swapper/109:33:001
26429992020,0cyclictest0-21swapper/109:46:291
26429992019,1cyclictest3870-21apache210:48:321
26429992019,1cyclictest0-21swapper/110:57:341
26429992015,3cyclictest1111-21runrttasks08:18:041
26429992014,2cyclictest0-21swapper/108:03:091
26429992011,4cyclictest97850irq/107-eth1-rx11:22:551
26429992010,5cyclictest0-21swapper/108:23:081
26429992010,3cyclictest0-21swapper/108:53:041
2642899207,7cyclictest19160-21pmu-power10:43:040
2642899203,12cyclictest0-21swapper/007:08:050
26428992018,1cyclictest2767-21awk12:28:020
26428992014,3cyclictest3870-21apache211:31:490
26428992010,7cyclictest0-21swapper/009:49:030
26428992010,6cyclictest0-21swapper/012:19:010
26428992010,2cyclictest0-21swapper/011:58:290
26428992010,10cyclictest0-21swapper/010:02:280
2642999194,9cyclictest0-21swapper/109:52:591
26429991918,1cyclictest0-21swapper/110:38:281
26429991910,9cyclictest0-21swapper/111:30:431
26429991910,4cyclictest0-21swapper/112:07:461
26429991910,4cyclictest0-21swapper/108:42:581
26429991910,1cyclictest0-21swapper/108:07:551
2642899194,11cyclictest0-21swapper/007:32:570
26428991918,1cyclictest3889-21apache209:22:500
26428991910,4cyclictest0-21swapper/009:33:360
26428991910,3cyclictest0-21swapper/010:12:450
26428991910,3cyclictest0-21swapper/008:38:010
26428991910,1cyclictest0-21swapper/007:57:560
2642999184,9cyclictest0-21swapper/108:27:561
2642999183,13cyclictest0-21swapper/107:32:441
2642999182,10cyclictest0-21swapper/107:43:051
26429991816,1cyclictest0-21swapper/109:37:471
26429991810,5cyclictest0-21swapper/112:25:201
26429991810,4cyclictest0-21swapper/111:37:561
2642899184,6cyclictest17431-21/usr/sbin/munin08:07:560
2642899183,8cyclictest0-21swapper/008:53:000
26428991815,2cyclictest27461-21munin-node08:35:160
26428991812,0cyclictest16677-21tail08:03:090
26428991810,5cyclictest0-21swapper/010:07:570
26428991810,4cyclictest0-21swapper/012:08:000
26428991810,1cyclictest0-21swapper/008:57:590
26428991810,1cyclictest0-21swapper/007:38:010
2642999176,9cyclictest0-21swapper/107:12:591
2642999176,4cyclictest0-21swapper/107:51:171
2642999173,9cyclictest0-21swapper/108:37:571
2642999173,8cyclictest0-21swapper/108:12:551
26429991715,1cyclictest3870-21apache211:55:531
26429991715,1cyclictest0-21swapper/107:27:581
26429991715,1cyclictest0-21swapper/107:27:581
26429991710,5cyclictest0-21swapper/109:25:041
26429991710,2cyclictest0-21swapper/109:02:591
2642999170,9cyclictest7933-21diskmemload12:03:031
2642899173,9cyclictest0-21swapper/008:22:580
2642899173,7cyclictest0-21swapper/010:32:280
2642899173,7cyclictest0-21swapper/008:13:010
26428991710,6cyclictest0-21swapper/008:43:110
26428991710,6cyclictest0-21swapper/007:54:120
26428991710,1cyclictest0-21swapper/008:48:050
2497821710,0sleep10-21swapper/112:13:501
2642999166,4cyclictest0-21swapper/107:53:051
2642999165,8cyclictest0-21swapper/107:37:591
26428991610,6cyclictest0-21swapper/008:28:290
26428991610,3cyclictest8011-21df_inode07:42:580
26428991610,1cyclictest0-21swapper/008:17:580
26428991610,1cyclictest0-21swapper/007:52:440
2642899160,7cyclictest0-21swapper/007:13:040
175521510,0sleep00-21swapper/007:27:460
175521510,0sleep00-21swapper/007:27:460
2642999142,6cyclictest0-21swapper/108:33:211
26429991410,4cyclictest0-21swapper/107:20:311
26429991310,1cyclictest0-21swapper/108:47:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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