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2025-12-01 - 20:16
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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 Mon Dec 01, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1660322040,2sleep10-21swapper/107:01:581
215512680,0sleep00-21swapper/011:40:360
1767426856,8sleep00-21swapper/007:03:120
18192994110,9cyclictest0-21swapper/112:03:171
18192994010,8cyclictest0-21swapper/108:36:541
18192993810,6cyclictest0-21swapper/109:45:051
18192993710,3cyclictest0-21swapper/109:56:551
18191993710,3cyclictest0-21swapper/011:55:440
18192993636,0cyclictest0-21swapper/112:34:521
18192993410,23cyclictest0-21swapper/109:54:581
18192993410,21cyclictest0-21swapper/111:33:091
1819299340,8cyclictest0-21swapper/109:32:571
18191993310,23cyclictest0-21swapper/011:11:240
18191993131,0cyclictest0-21swapper/010:37:250
1819299303,4cyclictest0-21swapper/110:57:021
18192992910,3cyclictest0-21swapper/111:41:171
1819299290,4cyclictest1536-21diskmemload09:07:301
1819299283,13cyclictest0-21swapper/111:02:021
1819299281,5cyclictest0-21swapper/112:16:261
1819299280,0cyclictest3599-21kworker/u4:109:17:041
18191992810,13cyclictest0-21swapper/010:33:450
1819299275,2cyclictest22552-21ssh12:26:241
18192992727,0cyclictest0-21swapper/108:45:301
18192992725,1cyclictest11299-21df08:11:551
18191992725,1cyclictest10460-21ssh10:42:360
1819299262,3cyclictest5553-21/usr/sbin/munin10:37:021
18192992619,5cyclictest28031-21apache210:27:041
18192992610,9cyclictest0-21swapper/108:51:541
1819299260,6cyclictest0-21swapper/109:15:001
18191992623,2cyclictest3981-21ssh11:59:440
18191992610,1cyclictest0-21swapper/011:36:310
1819299259,15cyclictest0-21swapper/111:20:141
1819299253,3cyclictest29963-21sh11:51:501
18192992521,3cyclictest0-21swapper/110:32:021
1819299251,5cyclictest0-21swapper/110:51:571
18192992514,10cyclictest24161-21ssh10:18:441
1819199257,9cyclictest0-21swapper/010:06:540
18191992520,4cyclictest28031-21apache207:44:410
18191992510,7cyclictest0-21swapper/009:33:100
1819199250,0cyclictest0-21swapper/010:50:550
1819299244,18cyclictest15791-21diskmemload12:16:531
18191992421,2cyclictest28031-21apache212:17:570
18191992420,1cyclictest81ktimersoftd/011:25:040
18191992415,6cyclictest27578-21ssh11:06:340
18191992410,7cyclictest0-21swapper/008:17:030
18191992410,6cyclictest0-21swapper/009:53:350
18191992410,4cyclictest0-21swapper/012:32:020
1819299233,4cyclictest32105-21diskmemload10:06:111
1819299233,19cyclictest0-21swapper/108:17:021
18192992322,1cyclictest28001-21apache210:42:491
18192992322,1cyclictest0-21swapper/107:19:501
18192992315,4cyclictest0-21swapper/109:49:551
18191992318,3cyclictest81ktimersoftd/010:31:300
1819199231,21cyclictest32105-21diskmemload09:16:250
18191992310,5cyclictest0-21swapper/010:21:570
18191992310,1cyclictest0-21swapper/012:15:550
18192992214,8cyclictest17854-21ssh10:11:191
18192992214,3cyclictest21256-21ssh10:15:301
18192992211,5cyclictest0-21swapper/108:47:031
18192992210,8cyclictest0-21swapper/109:02:011
18191992222,0cyclictest0-21swapper/008:52:270
1819199222,15cyclictest0-21swapper/009:30:250
1819199221,9cyclictest0-21swapper/009:06:440
18191992218,3cyclictest817-21apache211:17:430
18191992217,2cyclictest28031-21apache209:46:420
18191992213,3cyclictest8921-21kworker/u4:210:12:350
1819199221,2cyclictest0-21swapper/011:14:360
18191992210,7cyclictest0-21swapper/008:25:100
18191992210,6cyclictest0-21swapper/009:21:160
18191992210,3cyclictest0-21swapper/011:47:550
18191992210,1cyclictest0-21swapper/012:30:180
1819299215,12cyclictest0-21swapper/111:46:571
1819299214,4cyclictest15141-21sh08:21:541
1819299213,9cyclictest0-21swapper/111:28:391
1819299213,4cyclictest32105-21diskmemload11:59:561
18192992112,9cyclictest0-21swapper/111:24:461
18192992110,6cyclictest0-21swapper/111:11:541
18192992110,4cyclictest0-21swapper/107:21:561
18192992110,3cyclictest0-21swapper/112:06:551
18191992120,0cyclictest0-21swapper/010:55:290
1819199211,9cyclictest0-21swapper/007:26:560
18191992110,3cyclictest0-21swapper/009:56:440
1819199210,0cyclictest0-21swapper/009:41:570
1819299202,16cyclictest0-21swapper/107:41:561
18192992018,1cyclictest263172sleep112:31:421
1819299200,8cyclictest0-21swapper/111:45:091
1819199209,6cyclictest692-21ntpd09:01:590
18191992016,3cyclictest817-21apache207:56:330
18191992014,4cyclictest81ktimersoftd/011:46:410
18191992013,4cyclictest18189-21cyclictest10:06:160
18191992013,3cyclictest18189-21cyclictest10:59:450
18191992010,4cyclictest0-21swapper/008:56:540
1599322010,0sleep10-21swapper/110:51:161
1126722010,0sleep00-21swapper/012:10:240
18192991916,2cyclictest18589-21ssh09:30:011
18192991915,3cyclictest28001-21apache211:07:431
18192991914,2cyclictest0-21swapper/107:46:541
1819299191,2cyclictest0-21swapper/109:37:111
18192991910,4cyclictest0-21swapper/108:26:581
18192991910,3cyclictest0-21swapper/107:35:111
1819199195,5cyclictest18564-21taskset08:31:250
1819199192,8cyclictest0-21swapper/008:01:580
18191991918,1cyclictest0-21swapper/007:17:110
18191991915,1cyclictest28001-21apache212:21:420
18191991915,1cyclictest18540-21snmpd08:50:420
18191991910,5cyclictest0-21swapper/010:17:300
18191991910,5cyclictest0-21swapper/009:21:520
18191991910,3cyclictest0-21swapper/008:35:430
18191991910,2cyclictest0-21swapper/012:01:490
481021810,0sleep10-21swapper/107:53:041
1819299185,5cyclictest25813-21apache_processe10:21:551
1819299185,5cyclictest11858-21ssh09:21:451
1819299184,9cyclictest0-21swapper/107:56:511
18192991810,4cyclictest0-21swapper/108:02:021
18192991810,4cyclictest0-21swapper/107:26:581
18192991810,2cyclictest0-21swapper/107:06:561
1819199186,4cyclictest28121-21apache_processe07:31:520
1819199185,6cyclictest0-21swapper/009:37:030
1819199184,8cyclictest0-21swapper/007:22:020
18191991810,4cyclictest0-21swapper/011:28:290
1819299175,8cyclictest0-21swapper/107:36:591
1819299173,7cyclictest0-21swapper/108:56:541
18192991710,3cyclictest0-21swapper/108:31:571
1819199179,3cyclictest20964-21fschecks_count08:36:540
1819199174,6cyclictest0-21swapper/008:11:540
18191991715,1cyclictest7-21ksoftirqd/008:46:420
18191991715,0cyclictest97750irq/106-eth1-rx07:49:340
18191991714,2cyclictest7368-21apache207:15:190
18191991710,3cyclictest0-21swapper/007:06:530
1819199170,9cyclictest10050irq/110-ahci[0008:11:360
1819299162,7cyclictest0-21swapper/107:11:531
18192991610,1cyclictest0-21swapper/108:06:571
1819199156,4cyclictest6156-21pmu-power07:56:580
1819199153,7cyclictest0-21swapper/007:36:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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