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2025-11-28 - 23:05
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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 highest latencies:
System rackcslot2.osadl.org (updated Fri Nov 28, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
566827056,9sleep00-21swapper/007:02:260
599026957,8sleep10-21swapper/107:05:461
212682570,0sleep00-21swapper/009:48:310
87092470,1sleep08680-21latency10:57:000
6262993810,27cyclictest0-21swapper/011:23:080
6262993410,19cyclictest11505-21kworker/u4:110:43:470
6262993215,14cyclictest0-21swapper/009:19:060
6262993112,18cyclictest0-21swapper/012:01:150
6262993010,20cyclictest0-21swapper/010:04:580
6262993010,1cyclictest0-21swapper/008:33:420
6263992923,2cyclictest16102-21apache209:20:091
626399291,27cyclictest0-21swapper/111:10:341
6263992828,0cyclictest0-21swapper/112:24:271
6263992827,0cyclictest231ktimersoftd/111:56:531
6262992814,14cyclictest0-21swapper/009:09:100
6262992727,0cyclictest0-21swapper/009:30:210
626299271,2cyclictest16462-21/usr/sbin/munin08:57:070
6263992621,3cyclictest16076-21apache208:07:011
6262992626,0cyclictest0-21swapper/012:12:250
6263992514,4cyclictest16076-21apache208:12:001
626399251,23cyclictest0-21swapper/112:02:431
626299252,4cyclictest0-21swapper/012:32:240
6262992510,14cyclictest0-21swapper/007:12:000
626299250,14cyclictest0-21swapper/010:46:570
626399240,5cyclictest24863-21rm11:17:471
626299243,21cyclictest0-21swapper/010:32:530
6262992424,0cyclictest7-21ksoftirqd/007:46:430
6262992422,2cyclictest16076-21apache210:09:380
6262992421,3cyclictest16102-21apache208:01:130
6262992419,3cyclictest81ktimersoftd/012:08:340
6263992319,3cyclictest16102-21apache212:32:351
6263992314,9cyclictest0-21swapper/110:59:001
6263992310,9cyclictest0-21swapper/110:46:561
6263992310,0cyclictest0-21swapper/112:16:151
6262992321,1cyclictest709-21irqbalance11:52:470
626299230,3cyclictest0-21swapper/009:01:520
626399225,11cyclictest0-21swapper/109:56:541
6263992217,5cyclictest29836-21apache207:12:511
6263992212,7cyclictest20124-21diskmemload10:18:571
6263992210,7cyclictest0-21swapper/109:42:591
6263992210,5cyclictest0-21swapper/109:31:561
6263992210,12cyclictest0-21swapper/110:43:411
626399220,3cyclictest0-21swapper/109:24:481
626399220,19cyclictest0-21swapper/110:56:001
626399220,17cyclictest0-21swapper/110:35:511
6262992222,0cyclictest0-21swapper/010:30:370
6262992221,1cyclictest0-21swapper/010:14:420
6262992210,7cyclictest0-21swapper/011:16:440
6262992210,12cyclictest0-21swapper/012:20:110
626299220,0cyclictest0-21swapper/008:38:080
626399217,12cyclictest0-21swapper/109:01:561
626399216,11cyclictest14408-21ntp_states11:47:001
626399213,12cyclictest0-21swapper/107:37:031
6263992116,4cyclictest231ktimersoftd/108:26:531
6263992111,3cyclictest0-21swapper/111:03:381
6263992110,7cyclictest0-21swapper/111:54:201
6263992110,7cyclictest0-21swapper/109:27:181
6263992110,4cyclictest0-21swapper/110:11:551
6263992110,3cyclictest0-21swapper/107:06:551
6263992110,2cyclictest0-21swapper/111:13:361
626399210,20cyclictest0-21swapper/111:42:061
626299219,7cyclictest0-21swapper/009:21:590
626299218,6cyclictest0-21swapper/012:21:580
626299213,11cyclictest0-21swapper/009:31:570
6262992110,5cyclictest0-21swapper/011:01:580
626299210,2cyclictest0-21swapper/010:41:140
626299210,20cyclictest0-21swapper/009:14:420
626399208,9cyclictest28355-21kworker/u4:009:47:051
626399205,9cyclictest0-21swapper/110:01:551
6263992018,1cyclictest18540-21snmpd11:34:241
6263992014,3cyclictest817-21apache208:36:381
626299206,8cyclictest0-21swapper/007:47:010
626299205,3cyclictest0-21swapper/009:36:540
626299202,12cyclictest0-21swapper/008:52:020
6262992013,5cyclictest97750irq/106-eth1-rx07:25:470
6262992010,7cyclictest0-21swapper/009:53:210
6262992010,4cyclictest0-21swapper/011:06:550
6262992010,3cyclictest0-21swapper/009:57:540
6262992010,2cyclictest0-21swapper/007:17:070
1316922010,0sleep00-21swapper/010:21:340
626399196,7cyclictest0-21swapper/110:21:561
626399196,12cyclictest0-21swapper/107:22:031
626399193,9cyclictest15768-21apt-get07:31:431
626399192,11cyclictest0-21swapper/112:07:001
6263991914,4cyclictest0-21swapper/110:06:551
6263991911,5cyclictest6258-21cyclictest07:46:571
6263991911,3cyclictest14585-21sh12:30:421
6263991911,2cyclictest0-21swapper/107:56:551
6263991910,5cyclictest0-21swapper/109:51:571
6263991910,5cyclictest0-21swapper/108:56:591
626299196,5cyclictest0-21swapper/010:21:560
626299194,9cyclictest0-21swapper/012:01:560
6262991910,4cyclictest0-21swapper/012:29:140
6262991910,3cyclictest0-21swapper/011:37:160
626299190,14cyclictest12488-21kworker/0:008:01:550
50921910,1sleep00-21swapper/008:13:420
626399186,6cyclictest0-21swapper/108:22:021
626399184,6cyclictest8995-21cut08:36:561
6263991816,2cyclictest16076-21apache208:01:571
6263991810,0cyclictest0-21swapper/110:26:481
626299184,10cyclictest0-21swapper/011:27:150
6262991815,2cyclictest0-21swapper/011:14:240
6262991810,6cyclictest11218-21ssh11:42:200
6262991810,3cyclictest0-21swapper/011:47:540
626299180,5cyclictest0-21swapper/009:42:040
2868821810,0sleep10-21swapper/111:23:011
2719021810,0sleep10-21swapper/110:38:481
626399175,8cyclictest25006-21ls07:52:011
626399173,7cyclictest0-21swapper/108:42:031
626399172,7cyclictest0-21swapper/109:36:581
626399171,15cyclictest0-21swapper/109:15:181
6263991710,4cyclictest0-21swapper/111:36:561
6263991710,4cyclictest0-21swapper/107:41:591
6263991710,3cyclictest0-21swapper/109:06:561
6263991710,2cyclictest0-21swapper/112:21:231
6263991710,2cyclictest0-21swapper/107:31:441
626299173,8cyclictest30474-21/usr/sbin/munin08:07:010
626299172,8cyclictest0-21swapper/008:41:540
6262991710,5cyclictest0-21swapper/008:27:540
6262991710,4cyclictest0-21swapper/008:23:250
6262991710,1cyclictest0-21swapper/011:35:530
6262991710,1cyclictest0-21swapper/010:53:460
6263991612,2cyclictest97750irq/106-eth1-rx08:46:591
6263991610,4cyclictest0-21swapper/111:27:561
6262991610,6cyclictest0-21swapper/008:49:520
6262991610,6cyclictest0-21swapper/007:11:260
6262991610,3cyclictest0-21swapper/007:52:040
6262991610,2cyclictest0-21swapper/007:36:560
277021610,0sleep00-21swapper/008:21:210
626399156,6cyclictest10136-21apache_processe07:16:551
626399153,4cyclictest15398-21/usr/sbin/munin08:52:011
626399152,5cyclictest0-21swapper/108:16:551
6262991510,2cyclictest0-21swapper/007:31:510
6262991410,0cyclictest0-21swapper/007:29:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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