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2026-07-16 - 00:34
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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 Wed Jul 15, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1855027649,9sleep10-21swapper/107:04:191
1866026953,8sleep00-21swapper/007:05:280
5292670,1sleep10-21swapper/110:28:241
227162620,0sleep00-21swapper/009:33:480
124402590,0sleep00-21swapper/010:02:390
19125993110,6cyclictest636-21nscd11:33:590
2501823010,1sleep10-21swapper/109:38:131
1912699290,28cyclictest24476-21kworker/u4:110:03:391
1912599290,23cyclictest0-21swapper/009:13:560
19126992810,0cyclictest0-21swapper/108:26:101
1912699270,25cyclictest0-21swapper/108:19:131
1912599275,4cyclictest802-21apache210:37:140
19125992710,9cyclictest0-21swapper/011:43:470
19125992710,0cyclictest0-21swapper/009:40:410
19126992610,0cyclictest0-21swapper/112:07:251
1912599263,8cyclictest0-21swapper/012:30:380
19125992610,4cyclictest0-21swapper/011:04:200
19126992520,4cyclictest29912-21apache207:24:341
19126992510,6cyclictest0-21swapper/111:47:371
19126992510,2cyclictest0-21swapper/112:35:021
1912599257,17cyclictest0-21swapper/008:20:170
19125992520,4cyclictest24479-21snmpd10:03:350
19125992517,7cyclictest0-21swapper/011:28:380
1912599251,17cyclictest0-21swapper/012:18:290
19125992510,7cyclictest0-21swapper/012:01:430
19125992510,2cyclictest0-21swapper/009:30:340
19126992424,0cyclictest0-21swapper/111:56:071
19126992411,7cyclictest0-21swapper/109:12:411
19126992410,4cyclictest0-21swapper/108:28:411
19125992422,1cyclictest0-21swapper/009:12:180
1912599242,21cyclictest0-21swapper/007:46:050
19125992417,6cyclictest28979-21apache210:55:090
19125992413,6cyclictest0-21swapper/007:28:240
19125992410,11cyclictest100250irq/107-eth1-rx10:58:350
1912599240,2cyclictest0-21swapper/012:34:310
718922310,1sleep00-21swapper/011:57:560
19126992319,3cyclictest28979-21apache210:18:411
19126992319,2cyclictest29886-21apache207:19:121
19126992318,4cyclictest28960-21apache210:54:421
19126992318,3cyclictest28979-21apache210:34:081
1912599236,10cyclictest1199-21runrttasks12:15:500
19125992317,5cyclictest28960-21apache210:09:250
19125992310,3cyclictest0-21swapper/008:48:390
1802822310,0sleep00-21swapper/012:10:260
1912699224,10cyclictest0-21swapper/110:58:351
19126992221,1cyclictest28979-21apache211:30:521
19126992221,1cyclictest28979-21apache210:43:581
19126992215,6cyclictest28979-21apache210:40:421
19126992214,3cyclictest0-21swapper/111:09:421
19126992212,7cyclictest669-21ssh09:48:041
19126992210,3cyclictest0-21swapper/112:18:111
19125992222,0cyclictest24479-21snmpd08:45:550
19125992217,4cyclictest28979-21apache211:40:550
19125992210,5cyclictest0-21swapper/010:23:300
19125992210,0cyclictest0-21swapper/010:18:280
1912599220,14cyclictest0-21swapper/010:43:450
1912699218,12cyclictest0-21swapper/109:28:351
1912699214,11cyclictest0-21swapper/109:13:371
1912699213,9cyclictest0-21swapper/109:59:411
19126992110,8cyclictest0-21swapper/108:03:251
19126992110,7cyclictest0-21swapper/108:48:391
19126992110,4cyclictest0-21swapper/111:13:531
1912699210,17cyclictest0-21swapper/112:10:371
1912599216,7cyclictest0-21swapper/011:08:370
1912599215,12cyclictest0-21swapper/012:23:370
1912599214,6cyclictest555-21diskmemload10:28:430
1912599213,12cyclictest0-21swapper/007:13:460
19125992119,1cyclictest22005-21idleruntime08:38:390
19125992119,1cyclictest22005-21idleruntime08:38:390
19125992119,1cyclictest19123-21cyclictest12:03:280
19125992110,7cyclictest0-21swapper/010:38:470
19125992110,5cyclictest0-21swapper/010:48:390
19125992110,4cyclictest0-21swapper/007:28:430
1912599210,20cyclictest0-21swapper/007:56:570
19126992017,2cyclictest802-21apache208:10:151
19126992016,3cyclictest28979-21apache211:40:181
19126992015,4cyclictest3139-21kworker/1:012:19:511
19126992010,5cyclictest0-21swapper/107:33:371
19126992010,2cyclictest0-21swapper/109:48:271
1912699200,19cyclictest0-21swapper/110:49:541
1912599205,7cyclictest0-21swapper/011:48:320
19125992020,0cyclictest0-21swapper/009:23:210
19125992019,1cyclictest28960-21apache210:16:410
19125992010,7cyclictest0-21swapper/009:56:480
19125992010,6cyclictest0-21swapper/011:23:020
19125992010,4cyclictest0-21swapper/008:08:360
19125992010,3cyclictest0-21swapper/009:24:520
19125992010,1cyclictest0-21swapper/009:46:360
1912699197,11cyclictest0-21swapper/107:53:461
1912699193,7cyclictest0-21swapper/109:24:171
19126991917,2cyclictest19123-21cyclictest12:27:251
1912699191,12cyclictest0-21swapper/111:27:221
19126991910,6cyclictest0-21swapper/111:59:511
19126991910,6cyclictest0-21swapper/108:03:441
19126991910,4cyclictest0-21swapper/111:03:441
19126991910,4cyclictest0-21swapper/109:03:401
1912599195,7cyclictest1199-21runrttasks07:33:380
1912599195,10cyclictest0-21swapper/007:18:410
1912599192,16cyclictest0-21swapper/011:26:430
19125991910,7cyclictest0-21swapper/009:48:440
19125991910,4cyclictest0-21swapper/008:58:250
19125991910,3cyclictest0-21swapper/011:13:400
19125991910,3cyclictest0-21swapper/008:28:380
19125991910,2cyclictest0-21swapper/007:08:380
1912699186,5cyclictest0-21swapper/110:08:401
1912699184,7cyclictest0-21swapper/108:58:351
1912699183,11cyclictest0-21swapper/108:53:361
1912699182,16cyclictest0-21swapper/109:42:051
19126991816,2cyclictest0-21swapper/109:20:151
19126991816,1cyclictest231ktimersoftd/107:08:351
19126991811,3cyclictest28979-21apache208:42:511
19126991811,3cyclictest28979-21apache208:42:511
19126991810,4cyclictest0-21swapper/112:28:391
19126991810,3cyclictest0-21swapper/111:49:511
19126991810,3cyclictest0-21swapper/110:13:381
19126991810,2cyclictest0-21swapper/110:30:391
19125991811,5cyclictest100250irq/107-eth1-rx07:48:420
19125991810,8cyclictest0-21swapper/008:03:450
19125991810,4cyclictest0-21swapper/007:58:360
19125991810,1cyclictest0-21swapper/007:38:370
19126991716,1cyclictest28960-21apache211:20:231
19126991716,1cyclictest0-21swapper/107:29:341
19126991713,3cyclictest100150irq/106-eth1-rx08:44:141
19126991710,4cyclictest0-21swapper/107:48:361
19126991710,4cyclictest0-21swapper/107:43:441
19126991710,3cyclictest0-21swapper/109:57:001
19126991710,3cyclictest0-21swapper/108:13:381
19126991710,2cyclictest0-21swapper/107:38:361
19125991710,2cyclictest0-21swapper/008:33:290
19125991710,1cyclictest0-21swapper/009:03:400
1912699163,8cyclictest0-21swapper/107:13:421
1912699162,8cyclictest0-21swapper/108:33:361
1912599168,5cyclictest0-21swapper/008:58:440
19125991615,1cyclictest13079-21ls08:13:450
19125991610,6cyclictest0-21swapper/008:25:310
19126991510,3cyclictest0-21swapper/111:33:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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