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2026-07-14 - 20:41
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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 Tue Jul 14, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1984926756,7sleep00-21swapper/007:08:030
1813026553,8sleep10-21swapper/107:03:321
99282430,0sleep00-21swapper/011:13:440
20064993110,17cyclictest0-21swapper/110:15:311
2006399312,20cyclictest26220-21awk08:48:250
2006399290,27cyclictest0-21swapper/011:44:310
20064992810,15cyclictest0-21swapper/108:36:461
2006499280,1cyclictest8455-21perl10:33:371
20063992826,1cyclictest0-21swapper/009:36:240
2006499270,2cyclictest0-21swapper/110:46:071
2006399270,4cyclictest0-21swapper/010:54:450
2006399270,1cyclictest22382sleep010:25:420
2006399270,14cyclictest0-21swapper/012:23:440
20064992623,2cyclictest0-21swapper/109:31:351
20064992621,4cyclictest29912-21apache211:43:331
20064992610,9cyclictest0-21swapper/109:23:411
2006499260,3cyclictest3344-21apache_accesses07:48:381
2006499260,25cyclictest0-21swapper/109:12:381
20063992626,0cyclictest0-21swapper/009:16:020
20063992624,0cyclictest0-21swapper/012:09:590
20063992610,1cyclictest0-21swapper/010:08:370
20064992525,0cyclictest0-21swapper/109:50:481
20064992518,2cyclictest231ktimersoftd/111:58:341
20063992510,7cyclictest0-21swapper/011:30:100
2006499249,15cyclictest17132-21kworker/1:111:16:321
20064992424,0cyclictest0-21swapper/111:26:071
20064992419,4cyclictest29886-21apache211:54:551
20064992415,5cyclictest0-21swapper/110:20:411
20064992411,5cyclictest100250irq/107-eth1-rx12:14:201
2006499240,5cyclictest0-21swapper/110:24:271
20063992422,1cyclictest7-21ksoftirqd/007:28:410
20063992419,4cyclictest29886-21apache208:08:440
20063992410,11cyclictest0-21swapper/009:03:460
20063992410,10cyclictest0-21swapper/010:06:190
2006399240,2cyclictest0-21swapper/010:59:020
2006399240,18cyclictest0-21swapper/007:13:410
2006499235,12cyclictest0-21swapper/109:03:411
20064992322,0cyclictest0-21swapper/112:30:411
20064992320,2cyclictest0-21swapper/107:53:281
20064992318,4cyclictest2111-21munin-node08:59:341
20064992310,6cyclictest0-21swapper/110:38:361
20063992315,5cyclictest29912-21apache211:07:300
2006399230,22cyclictest0-21swapper/012:03:440
2006499226,11cyclictest0-21swapper/109:43:351
2006499225,10cyclictest0-21swapper/109:38:421
2006499224,9cyclictest0-21swapper/107:58:361
20064992219,2cyclictest29912-21apache211:05:241
20064992211,7cyclictest100450irq/109-eth1-tx09:37:041
20063992222,0cyclictest0-21swapper/007:27:550
20063992210,9cyclictest0-21swapper/008:33:410
20063992210,5cyclictest0-21swapper/012:20:240
1421622210,0sleep00-21swapper/010:39:590
2916122110,1sleep10-21swapper/111:37:561
2006499217,12cyclictest17132-21kworker/1:111:11:041
2006499216,10cyclictest6992-21apache_processe09:53:371
2006499215,11cyclictest0-21swapper/107:13:421
20064992121,0cyclictest0-21swapper/110:31:421
20064992113,4cyclictest0-21swapper/108:23:381
2006499211,1cyclictest0-21swapper/110:11:511
2006499210,0cyclictest0-21swapper/111:39:581
2006399214,10cyclictest0-21swapper/009:53:370
20063992120,0cyclictest0-21swapper/011:23:190
20063992117,2cyclictest20061-21cyclictest12:02:150
20063992111,8cyclictest1553-21diskmemload09:28:230
2006399211,0cyclictest0-21swapper/009:45:090
20063992110,8cyclictest0-21swapper/011:10:500
20063992110,6cyclictest0-21swapper/009:42:330
2006499207,7cyclictest0-21swapper/107:38:441
2006499204,11cyclictest0-21swapper/112:33:451
2006499203,9cyclictest0-21swapper/111:28:371
20064992011,4cyclictest0-21swapper/111:20:071
20064992011,3cyclictest20061-21cyclictest08:28:381
20064992010,3cyclictest0-21swapper/108:03:391
20064992010,1cyclictest0-21swapper/112:10:091
2006399205,8cyclictest0-21swapper/009:48:350
20063992020,0cyclictest0-21swapper/010:19:070
20063992019,0cyclictest0-21swapper/011:43:190
20063992015,3cyclictest29912-21apache210:45:320
20063992010,7cyclictest0-21swapper/011:56:030
20063992010,5cyclictest0-21swapper/012:29:050
20063992010,2cyclictest0-21swapper/009:22:110
2006399200,19cyclictest0-21swapper/011:52:470
1424522010,0sleep00-21swapper/008:14:030
2006499198,4cyclictest0-21swapper/112:18:261
2006499197,6cyclictest0-21swapper/110:59:571
2006499194,8cyclictest0-21swapper/110:53:451
2006499192,10cyclictest0-21swapper/107:28:451
20064991914,3cyclictest0-21swapper/112:27:251
20064991910,7cyclictest0-21swapper/112:05:531
20064991910,3cyclictest0-21swapper/108:53:401
2006399196,12cyclictest0-21swapper/007:48:470
2006399193,14cyclictest100250irq/107-eth1-rx12:33:360
2006399192,5cyclictest30447-21if_eth007:33:410
20063991917,1cyclictest29886-21apache212:17:030
20063991916,2cyclictest20717-21ssh09:30:360
20063991910,6cyclictest0-21swapper/010:51:050
20063991910,5cyclictest0-21swapper/009:59:000
20063991910,3cyclictest0-21swapper/011:36:140
20063991910,3cyclictest0-21swapper/010:13:280
2733021810,0sleep10-21swapper/107:25:431
2006499184,7cyclictest0-21swapper/109:58:411
20064991817,1cyclictest643-21nscd07:43:411
20064991811,4cyclictest100250irq/107-eth1-rx09:19:201
20064991810,3cyclictest0-21swapper/107:08:361
2006399183,11cyclictest0-21swapper/008:38:380
2006399182,10cyclictest0-21swapper/008:53:370
20063991818,0cyclictest7-21ksoftirqd/008:23:410
20063991811,4cyclictest0-21swapper/008:58:420
20063991810,4cyclictest636-21nscd10:30:050
20063991810,4cyclictest0-21swapper/010:37:210
20063991810,0cyclictest0-21swapper/008:28:450
2006499178,5cyclictest29912-21apache210:03:331
2006499175,3cyclictest31314-21seq07:34:201
20064991714,2cyclictest29886-21apache208:40:331
20064991713,4cyclictest29912-21apache211:49:081
20064991710,4cyclictest0-21swapper/108:13:381
20064991710,3cyclictest0-21swapper/108:43:411
20064991710,2cyclictest0-21swapper/110:48:441
20064991710,1cyclictest0-21swapper/108:08:431
2006399176,5cyclictest14989-21/usr/sbin/munin08:18:360
2006399172,10cyclictest0-21swapper/007:58:350
20063991710,3cyclictest0-21swapper/008:48:370
20063991710,0cyclictest0-21swapper/009:10:550
1639921710,1sleep10-21swapper/108:21:211
774921610,0sleep10-21swapper/109:14:191
2006499165,9cyclictest24479-21snmpd08:48:361
20064991611,2cyclictest25428-21runrttasks07:20:481
2006399164,8cyclictest32535-21/usr/sbin/munin07:38:410
2006399163,7cyclictest0-21swapper/007:43:450
20063991610,2cyclictest0-21swapper/008:03:360
20063991610,2cyclictest0-21swapper/007:20:390
20063991511,1cyclictest29886-21apache207:53:320
20063991510,2cyclictest0-21swapper/007:08:350
20063991510,1cyclictest0-21swapper/011:23:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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