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2026-06-19 - 17:59
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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 Fri Jun 19, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541227352,16sleep10-21swapper/107:07:251
1551027049,16sleep00-21swapper/007:08:270
191792650,0sleep10-21swapper/109:36:331
15710993110,4cyclictest0-21swapper/111:14:091
15709993110,0cyclictest0-21swapper/011:25:230
15710993030,0cyclictest0-21swapper/111:37:451
15710993010,2cyclictest0-21swapper/109:22:471
15709992810,17cyclictest0-21swapper/010:09:230
1571099273,6cyclictest0-21swapper/112:04:091
15710992720,6cyclictest11880-21/usr/sbin/munin11:38:531
15710992626,0cyclictest0-21swapper/109:55:211
15710992624,1cyclictest0-21swapper/110:46:171
1571099260,25cyclictest25481-21kworker/1:111:10:181
15709992610,15cyclictest0-21swapper/010:20:100
1571099259,14cyclictest25481-21kworker/1:108:47:301
15710992513,2cyclictest0-21swapper/112:17:271
15710992510,7cyclictest0-21swapper/109:13:481
15710992510,5cyclictest0-21swapper/112:32:081
15709992525,0cyclictest0-21swapper/008:17:570
1570999252,3cyclictest19550-21ssh09:37:290
15709992521,1cyclictest0-21swapper/012:37:050
1570999250,23cyclictest0-21swapper/010:58:300
15709992424,0cyclictest0-21swapper/010:06:070
15709992423,1cyclictest0-21swapper/007:51:180
15709992418,5cyclictest25554-21apache208:32:170
15709992410,9cyclictest0-21swapper/010:30:510
15709992410,7cyclictest0-21swapper/012:03:410
15709992410,7cyclictest0-21swapper/010:40:520
1571099233,12cyclictest0-21swapper/111:28:581
15710992317,2cyclictest0-21swapper/112:09:391
15710992310,0cyclictest0-21swapper/110:58:331
1571099230,9cyclictest0-21swapper/111:53:591
1570999233,19cyclictest0-21swapper/009:58:570
15709992319,1cyclictest0-21swapper/007:53:500
15709992318,4cyclictest25554-21apache209:23:270
1570999231,12cyclictest0-21swapper/011:28:420
15709992310,6cyclictest0-21swapper/010:45:300
15709992310,2cyclictest0-21swapper/012:13:510
1570999230,22cyclictest0-21swapper/007:43:560
3218322210,0sleep00-21swapper/011:21:560
297992220,0sleep00-21swapper/009:08:500
1571099228,10cyclictest0-21swapper/109:03:561
1571099227,14cyclictest25481-21kworker/1:112:25:221
15710992210,9cyclictest0-21swapper/110:21:131
15710992210,4cyclictest0-21swapper/112:18:571
15710992210,10cyclictest0-21swapper/110:03:571
1570999222,16cyclictest19221-21switchtime08:39:000
15709992219,2cyclictest22221-21ssh09:40:190
1570999221,3cyclictest0-21swapper/008:33:520
15709992210,8cyclictest0-21swapper/012:28:340
1571099217,9cyclictest0-21swapper/112:01:321
1571099217,10cyclictest0-21swapper/107:33:591
1571099215,9cyclictest0-21swapper/109:43:581
1571099214,9cyclictest0-21swapper/111:48:501
1571099213,13cyclictest0-21swapper/110:13:551
15710992117,4cyclictest25554-21apache210:25:421
15710992110,5cyclictest0-21swapper/109:10:131
15710992110,0cyclictest0-21swapper/111:23:591
15709992121,0cyclictest0-21swapper/009:03:480
15709992119,1cyclictest0-21swapper/011:43:560
15709992116,4cyclictest25554-21apache211:15:000
15709992116,3cyclictest25528-21apache212:21:470
1570999211,0cyclictest29577-21diskmemload09:31:230
15709992110,5cyclictest0-21swapper/012:08:590
15709992110,5cyclictest0-21swapper/007:33:390
15709992110,3cyclictest0-21swapper/011:35:380
1571099202,17cyclictest0-21swapper/110:33:491
15710992016,2cyclictest25528-21apache211:20:291
15710992010,6cyclictest0-21swapper/109:58:521
15710992010,5cyclictest0-21swapper/110:38:501
15710992010,3cyclictest0-21swapper/108:58:521
1571099200,3cyclictest0-21swapper/111:47:511
15709992020,0cyclictest0-21swapper/012:30:540
15709992019,1cyclictest0-21swapper/007:21:220
15709992015,2cyclictest0-21swapper/011:54:120
15709992010,6cyclictest0-21swapper/011:51:390
15709992010,6cyclictest0-21swapper/010:17:080
15709992010,5cyclictest0-21swapper/010:23:520
15709992010,4cyclictest0-21swapper/007:58:500
1571099198,10cyclictest0-21swapper/111:03:531
1571099197,9cyclictest0-21swapper/107:48:511
1571099197,5cyclictest28558-21/usr/sbin/munin07:38:581
1571099194,8cyclictest0-21swapper/112:33:561
15710991919,0cyclictest0-21swapper/108:17:191
15710991917,1cyclictest21413-21sort07:23:391
15710991916,2cyclictest25481-21kworker/1:108:02:461
15710991911,6cyclictest0-21swapper/110:32:381
15710991910,8cyclictest0-21swapper/108:54:301
15710991910,6cyclictest0-21swapper/108:08:501
15710991910,6cyclictest0-21swapper/108:03:511
15710991910,3cyclictest0-21swapper/109:32:481
15710991910,3cyclictest0-21swapper/107:53:491
1571099190,5cyclictest0-21swapper/109:49:001
1570999194,13cyclictest0-21swapper/008:58:570
15709991916,2cyclictest81ktimersoftd/009:15:530
15709991910,4cyclictest0-21swapper/011:04:530
15709991910,4cyclictest0-21swapper/008:47:320
15709991910,3cyclictest0-21swapper/009:43:510
15709991910,3cyclictest0-21swapper/009:23:560
15709991910,2cyclictest0-21swapper/010:58:420
15709991910,2cyclictest0-21swapper/008:48:510
15709991910,0cyclictest0-21swapper/012:02:580
1571099184,7cyclictest0-21swapper/107:08:511
1571099184,12cyclictest0-21swapper/107:43:521
1571099183,6cyclictest29577-21diskmemload10:48:541
15710991817,1cyclictest231ktimersoftd/109:38:571
15710991810,6cyclictest0-21swapper/107:13:501
15710991810,5cyclictest0-21swapper/109:26:151
15710991810,4cyclictest0-21swapper/108:36:411
1570999187,5cyclictest0-21swapper/011:08:510
15709991815,2cyclictest1988-21ssh09:57:350
15709991810,6cyclictest100150irq/106-eth1-rx08:08:570
15709991810,6cyclictest0-21swapper/011:38:480
15709991810,5cyclictest0-21swapper/010:37:300
15709991810,3cyclictest0-21swapper/010:48:500
15709991810,2cyclictest0-21swapper/007:10:190
1570999180,11cyclictest0-21swapper/009:48:510
1571099173,7cyclictest0-21swapper/108:23:511
15710991715,1cyclictest18852-21ls08:38:561
15710991710,5cyclictest0-21swapper/111:00:421
15710991710,3cyclictest0-21swapper/110:08:591
1570999174,8cyclictest0-21swapper/007:13:530
1570999172,7cyclictest0-21swapper/008:23:510
15709991710,4cyclictest0-21swapper/007:33:020
15709991710,3cyclictest0-21swapper/008:03:560
15709991710,2cyclictest0-21swapper/007:23:470
1571099164,9cyclictest0-21swapper/107:28:571
1571099161,8cyclictest0-21swapper/108:29:031
1570999166,2cyclictest24590-21ls08:53:550
15709991610,5cyclictest25554-21apache207:42:080
1571099154,9cyclictest0-21swapper/107:23:471
15710991510,3cyclictest0-21swapper/108:48:571
15710991510,2cyclictest0-21swapper/108:18:511
15709991510,3cyclictest0-21swapper/008:18:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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