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2026-05-27 - 11:00
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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 Wed May 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1849622190,2sleep20-21swapper/220:37:042
1451421700,5sleep21931799cyclictest22:42:042
1467221570,2sleep21931799cyclictest21:36:562
1068911010,4ptp4l401ktimersoftd/320:38:263
62812740,2sleep00-21swapper/000:46:440
62812740,2sleep00-21swapper/000:46:440
254482690,4sleep225451-21unixbench_multi21:57:072
106891690,10ptp4l401ktimersoftd/323:57:003
19317996856,4cyclictest33-21ksoftirqd/223:11:502
106891670,1ptp4l401ktimersoftd/322:45:463
19317996653,5cyclictest33-21ksoftirqd/221:51:512
106891660,1ptp4l401ktimersoftd/322:25:103
19317996551,6cyclictest33-21ksoftirqd/220:51:502
19308996450,7cyclictest9-21ksoftirqd/001:56:540
106891640,1ptp4l401ktimersoftd/321:36:383
206932630,4sleep21931799cyclictest01:32:552
19308996351,6cyclictest9-21ksoftirqd/020:46:480
106891620,1ptp4l401ktimersoftd/300:52:273
106891620,1ptp4l401ktimersoftd/300:52:273
76202610,2sleep10-21swapper/101:52:131
214172590,4sleep021408-21ssh23:22:050
19317995948,5cyclictest33-21ksoftirqd/200:01:522
19308995848,5cyclictest9-21ksoftirqd/022:26:080
19308995847,6cyclictest9-21ksoftirqd/000:16:540
19308995748,4cyclictest9-21ksoftirqd/021:26:480
205172560,5sleep31932399cyclictest00:27:043
106891560,1ptp4l401ktimersoftd/323:38:083
106891550,1ptp4l401ktimersoftd/300:15:593
19317995410,5cyclictest33-21ksoftirqd/200:46:582
19317995410,5cyclictest33-21ksoftirqd/200:46:582
19308995446,3cyclictest9-21ksoftirqd/023:16:510
19317995344,4cyclictest33-21ksoftirqd/223:51:542
1930899535,5cyclictest9-21ksoftirqd/001:16:540
19308995344,4cyclictest9-21ksoftirqd/022:26:520
19308995342,5cyclictest9-21ksoftirqd/022:01:520
19308995342,5cyclictest9-21ksoftirqd/001:26:550
56512520,2sleep30-21swapper/301:17:433
19308995240,6cyclictest9-21ksoftirqd/021:21:510
254692510,3sleep30-21swapper/323:26:573
19317995036,6cyclictest33-21ksoftirqd/220:56:482
19308995042,4cyclictest9-21ksoftirqd/001:41:560
19308995015,3cyclictest9-21ksoftirqd/001:11:540
106891500,1ptp4l401ktimersoftd/302:05:353
19317994841,3cyclictest33-21ksoftirqd/201:11:542
19317994719,5cyclictest33-21ksoftirqd/200:32:112
106891470,2ptp4l5310-21kworker/3:222:59:313
19308994637,4cyclictest9-21ksoftirqd/001:21:550
19308994628,3cyclictest9-21ksoftirqd/023:56:580
19308994620,5cyclictest9-21ksoftirqd/020:57:060
19308994617,15cyclictest9-21ksoftirqd/022:41:540
19308994612,4cyclictest9-21ksoftirqd/022:46:560
106891460,0ptp4l401ktimersoftd/323:53:513
1931799449,4cyclictest33-21ksoftirqd/202:01:442
19308994421,4cyclictest9-21ksoftirqd/000:06:580
19308994420,4cyclictest9-21ksoftirqd/022:16:560
19317994332,4cyclictest33-21ksoftirqd/200:26:542
19317994324,10cyclictest33-21ksoftirqd/222:57:042
19317994316,16cyclictest33-21ksoftirqd/201:42:122
19308994331,3cyclictest9-21ksoftirqd/000:25:040
19317994229,3cyclictest33-21ksoftirqd/222:11:592
19308994221,11cyclictest46950irq/100-ens3-Tx01:51:550
19308994215,4cyclictest9-21ksoftirqd/001:46:570
19317994134,3cyclictest33-21ksoftirqd/222:51:522
19317994131,5cyclictest33-21ksoftirqd/222:06:512
19317994124,5cyclictest33-21ksoftirqd/221:07:052
19317994124,5cyclictest33-21ksoftirqd/221:07:052
19317994122,9cyclictest33-21ksoftirqd/201:26:592
19308994118,7cyclictest9-21ksoftirqd/023:49:420
19317994028,3cyclictest33-21ksoftirqd/223:22:042
19317994022,6cyclictest33-21ksoftirqd/222:46:582
19317994020,5cyclictest33-21ksoftirqd/200:26:422
19317994016,5cyclictest33-21ksoftirqd/222:27:092
19317994016,4cyclictest33-21ksoftirqd/221:01:492
19317994016,4cyclictest33-21ksoftirqd/200:19:572
19308994027,3cyclictest9-21ksoftirqd/021:36:380
19308994026,3cyclictest9-21ksoftirqd/023:52:050
19308994022,9cyclictest9-21ksoftirqd/021:06:370
19308994021,5cyclictest9-21ksoftirqd/023:42:010
19308994019,5cyclictest9-21ksoftirqd/000:36:420
106891400,1ptp4l401ktimersoftd/301:16:083
106891400,1ptp4l401ktimersoftd/300:01:473
1931799398,5cyclictest33-21ksoftirqd/221:11:532
1931799398,5cyclictest33-21ksoftirqd/221:11:532
19317993930,4cyclictest33-21ksoftirqd/222:16:512
19317993924,3cyclictest33-21ksoftirqd/201:47:062
19317993922,14cyclictest33-21ksoftirqd/200:58:212
19317993915,4cyclictest33-21ksoftirqd/222:01:592
1930899398,6cyclictest9-21ksoftirqd/023:36:580
1930899394,7cyclictest9-21ksoftirqd/000:04:450
19308993933,3cyclictest9-21ksoftirqd/002:01:480
19308993921,8cyclictest9-21ksoftirqd/022:56:550
19308993915,4cyclictest9-21ksoftirqd/023:31:540
19308993915,4cyclictest9-21ksoftirqd/000:29:080
19308993914,4cyclictest9-21ksoftirqd/000:43:350
106891390,1ptp4l401ktimersoftd/322:46:513
106891390,1ptp4l401ktimersoftd/301:26:403
106891390,1ptp4l401ktimersoftd/301:05:443
106891390,1ptp4l401ktimersoftd/300:43:523
106891390,1ptp4l401ktimersoftd/300:18:073
106891390,16ptp4l401ktimersoftd/323:32:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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