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2026-01-02 - 18:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Fri Jan 02, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1972621790,4sleep1764099cyclictest11:49:391
2753221400,5sleep2764699cyclictest10:19:552
106891990,4ptp4l401ktimersoftd/307:19:003
211072790,2sleep20-21swapper/211:17:362
79802600,2sleep00-21swapper/007:21:360
7646995949,5cyclictest33-21ksoftirqd/210:26:532
7640995949,6cyclictest25-21ksoftirqd/112:26:561
72422594,10sleep20-21swapper/207:17:512
217762590,1sleep00-21swapper/011:18:420
137252590,2sleep30-21swapper/311:42:543
106891570,1ptp4l401ktimersoftd/309:50:193
106891560,1ptp4l401ktimersoftd/310:20:013
106891560,1ptp4l401ktimersoftd/310:04:583
106891560,1ptp4l401ktimersoftd/309:58:413
106891560,1ptp4l401ktimersoftd/309:31:233
7653995326,3cyclictest41-21ksoftirqd/308:26:363
7653995225,3cyclictest41-21ksoftirqd/312:27:133
326242520,2sleep00-21swapper/012:34:500
7653995145,3cyclictest41-21ksoftirqd/311:51:533
7640995123,7cyclictest25-21ksoftirqd/109:29:241
7653994943,3cyclictest41-21ksoftirqd/309:16:483
7653994943,3cyclictest41-21ksoftirqd/308:26:543
7653994926,13cyclictest41-21ksoftirqd/307:56:563
7653994926,13cyclictest41-21ksoftirqd/307:56:563
7640994918,8cyclictest25-21ksoftirqd/110:11:391
53022490,2sleep20-21swapper/212:39:422
7653994841,4cyclictest41-21ksoftirqd/307:26:483
7640994722,6cyclictest25-21ksoftirqd/109:43:471
7640994722,6cyclictest25-21ksoftirqd/109:43:471
7653994640,3cyclictest41-21ksoftirqd/309:21:553
7640994617,7cyclictest25-21ksoftirqd/109:31:531
7633994636,5cyclictest9-21ksoftirqd/009:46:490
106891460,0ptp4l401ktimersoftd/311:48:223
7653994539,3cyclictest41-21ksoftirqd/310:31:443
7640994518,4cyclictest25-21ksoftirqd/109:56:531
7633994520,8cyclictest9-21ksoftirqd/012:48:470
7653994438,3cyclictest41-21ksoftirqd/309:41:503
7653994438,3cyclictest41-21ksoftirqd/309:41:503
7653994437,4cyclictest41-21ksoftirqd/307:36:473
7653994415,4cyclictest41-21ksoftirqd/310:26:563
7646994416,9cyclictest33-21ksoftirqd/207:26:352
7640994417,3cyclictest25-21ksoftirqd/112:01:571
763399447,4cyclictest9-21ksoftirqd/011:57:010
7633994426,3cyclictest9-21ksoftirqd/012:46:420
106891440,1ptp4l7554-21kworker/3:112:47:273
7653994329,6cyclictest41-21ksoftirqd/312:32:053
7653994325,3cyclictest41-21ksoftirqd/311:37:113
7646994316,18cyclictest33-21ksoftirqd/212:07:082
7640994319,3cyclictest25-21ksoftirqd/110:52:221
7640994315,7cyclictest25-21ksoftirqd/109:46:541
763399437,4cyclictest9-21ksoftirqd/009:51:550
7633994335,4cyclictest9-21ksoftirqd/010:01:510
7633994334,4cyclictest9-21ksoftirqd/011:36:530
7653994230,3cyclictest41-21ksoftirqd/312:36:473
7653994229,3cyclictest41-21ksoftirqd/312:07:033
7653994229,3cyclictest41-21ksoftirqd/311:07:073
7653994226,3cyclictest41-21ksoftirqd/312:15:553
7653994215,7cyclictest41-21ksoftirqd/312:26:433
7640994224,8cyclictest25-21ksoftirqd/109:21:541
7640994218,3cyclictest25-21ksoftirqd/112:38:341
7640994216,6cyclictest25-21ksoftirqd/112:23:581
763399425,7cyclictest121rcu_preempt12:13:330
763399424,3cyclictest121rcu_preempt12:26:430
763399423,3cyclictest121rcu_preempt11:30:210
763399423,3cyclictest121rcu_preempt11:30:210
7653994135,3cyclictest41-21ksoftirqd/312:41:543
7653994134,4cyclictest41-21ksoftirqd/308:16:483
7653994126,4cyclictest41-21ksoftirqd/311:06:403
7653994125,5cyclictest41-21ksoftirqd/311:57:073
7646994111,11cyclictest33-21ksoftirqd/211:57:032
764099416,4cyclictest29541-21ssh11:59:241
7633994133,4cyclictest9-21ksoftirqd/012:01:540
7633994117,7cyclictest9-21ksoftirqd/009:42:380
7633994117,7cyclictest9-21ksoftirqd/009:42:380
72782412,9sleep1121rcu_preempt07:18:191
106891410,1ptp4l401ktimersoftd/309:37:073
7653994021,8cyclictest41-21ksoftirqd/311:16:593
7653994019,7cyclictest41-21ksoftirqd/310:47:533
7646994025,5cyclictest33-21ksoftirqd/208:57:082
7646994024,4cyclictest33-21ksoftirqd/210:37:072
7646994019,11cyclictest33-21ksoftirqd/209:37:092
7640994012,7cyclictest25-21ksoftirqd/107:37:051
763399404,3cyclictest121rcu_preempt12:07:080
7633994034,3cyclictest9-21ksoftirqd/012:26:470
763399403,3cyclictest9-21ksoftirqd/010:24:220
7633994033,3cyclictest9-21ksoftirqd/007:41:490
7633994022,7cyclictest9-21ksoftirqd/010:42:100
7633994020,8cyclictest7908-1kworker/u9:111:07:110
763399401,3cyclictest121rcu_preempt07:51:590
763399401,3cyclictest121rcu_preempt07:51:590
7653993924,6cyclictest41-21ksoftirqd/312:17:243
7653993911,4cyclictest41-21ksoftirqd/307:41:543
7646993921,9cyclictest33-21ksoftirqd/212:36:432
764699391,9cyclictest19772-21kworker/2:209:25:172
7646993914,9cyclictest33-21ksoftirqd/212:27:132
7640993923,7cyclictest25-21ksoftirqd/110:27:001
7640993922,8cyclictest25-21ksoftirqd/109:36:521
764099391,7cyclictest18993-21apt-get11:16:521
7640993910,7cyclictest25-21ksoftirqd/111:26:561
7640993910,7cyclictest25-21ksoftirqd/111:26:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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