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2025-12-11 - 11:47
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Thu Dec 11, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172722980,2sleep2313799cyclictest22:21:522
22102690,2sleep6317299cyclictest22:52:326
111042580,1sleep09-21ksoftirqd/000:02:260
64192480,6sleep665-21ksoftirqd/623:00:496
40152480,0sleep20-21swapper/200:13:492
284082480,0sleep30-21swapper/321:53:583
119292480,0sleep20-21swapper/221:49:572
6982470,1sleep6699-21unixbench-2d20:39:056
215232470,0sleep00-21swapper/023:30:540
73572460,0sleep0111rcuc/021:57:320
72052460,0sleep60-21swapper/623:53:436
67702460,0sleep30-21swapper/323:16:403
31702460,0sleep60-21swapper/600:13:456
228922450,0sleep40-21swapper/422:59:274
129052450,10sleep685350irq/25-em1-rx-022:26:456
57292440,0sleep00-21swapper/021:36:250
230652440,0sleep00-21swapper/021:40:260
153822440,0sleep00-21swapper/022:03:240
152722430,2sleep4315699cyclictest22:50:544
115492430,0sleep2763-21runrttasks23:11:502
47662420,0sleep40-21swapper/420:59:454
277124229,9sleep70-21swapper/718:51:467
5022410,0sleep557-21ksoftirqd/522:17:555
288624129,9sleep50-21swapper/518:53:205
270024128,9sleep30-21swapper/318:50:453
121042410,0sleep665-21ksoftirqd/600:23:226
110782410,0sleep60-21swapper/622:55:526
287424029,8sleep20-21swapper/218:53:092
278824027,9sleep60-21swapper/618:52:016
274124027,9sleep40-21swapper/418:51:184
182882400,0sleep20-21swapper/223:14:542
172922400,0sleep70-21swapper/721:13:587
122992400,0sleep40-21swapper/423:51:254
109492400,0sleep2321ktimersoftd/223:30:002
36822390,0sleep5763-21runrttasks22:52:395
35623927,8sleep00-21swapper/018:48:500
268023928,8sleep10-21swapper/118:50:271
14722390,0sleep40-21swapper/400:04:224
66272380,0sleep60-21swapper/622:13:086
39482380,0sleep40-21swapper/423:13:524
301342380,0sleep00-21swapper/021:33:130
129392360,0sleep00-21swapper/022:50:420
123262360,4sleep30-21swapper/323:19:363
234992340,0sleep70-21swapper/721:22:157
318099225,5cyclictest0-21swapper/700:19:257
318099211,19cyclictest32106-21sshd23:47:437
318099198,10cyclictest0-21swapper/719:49:417
318099198,10cyclictest0-21swapper/719:19:387
318099198,0cyclictest0-21swapper/720:56:157
318099198,0cyclictest0-21swapper/720:06:417
318099197,0cyclictest0-21swapper/722:21:097
312899198,2cyclictest25-21ksoftirqd/122:18:541
3128991913,3cyclictest25-21ksoftirqd/121:28:571
318099188,10cyclictest0-21swapper/719:34:497
318099187,10cyclictest0-21swapper/720:40:297
318099187,10cyclictest0-21swapper/720:00:237
318099187,10cyclictest0-21swapper/719:12:467
318099185,5cyclictest0-21swapper/719:30:097
318099184,13cyclictest20066-21id23:52:057
318099181,5cyclictest0-21swapper/723:39:357
318099181,5cyclictest0-21swapper/720:21:377
318099180,6cyclictest0-21swapper/723:21:357
315699180,16cyclictest19262-21sshd23:12:294
3137991815,1cyclictest29717-21grepconf.sh21:33:112
3137991814,3cyclictest33-21ksoftirqd/223:21:102
3128991817,1cyclictest25-21ksoftirqd/122:24:041
3121991814,1cyclictest9-21ksoftirqd/023:13:060
318099177,6cyclictest0-21swapper/719:45:257
318099176,5cyclictest0-21swapper/723:02:077
318099176,5cyclictest0-21swapper/722:54:397
318099176,5cyclictest0-21swapper/722:18:337
318099176,5cyclictest0-21swapper/721:53:377
318099176,5cyclictest0-21swapper/721:33:297
318099176,5cyclictest0-21swapper/720:17:097
318099176,5cyclictest0-21swapper/719:18:427
318099176,5cyclictest0-21swapper/700:13:037
318099176,0cyclictest0-21swapper/722:03:177
318099176,0cyclictest0-21swapper/721:09:537
318099176,0cyclictest0-21swapper/720:43:577
318099176,0cyclictest0-21swapper/720:36:317
318099176,0cyclictest0-21swapper/719:42:377
318099176,0cyclictest0-21swapper/719:06:487
318099175,5cyclictest0-21swapper/720:30:377
318099175,11cyclictest711-21dbus-daemon00:04:057
318099175,11cyclictest24756-21sshd22:04:017
3137991714,3cyclictest33-21ksoftirqd/222:10:332
3137991714,1cyclictest33-21ksoftirqd/221:07:072
3137991713,3cyclictest33-21ksoftirqd/222:30:502
313799170,0cyclictest121rcu_preempt23:40:202
312899178,1cyclictest25-21ksoftirqd/100:14:541
312899175,3cyclictest25-21ksoftirqd/122:04:181
312899173,1cyclictest25-21ksoftirqd/122:44:211
3128991716,1cyclictest25-21ksoftirqd/121:00:031
3128991715,1cyclictest25-21ksoftirqd/121:22:081
3128991715,1cyclictest25-21ksoftirqd/121:04:301
3128991715,1cyclictest25-21ksoftirqd/100:19:011
3128991714,1cyclictest25-21ksoftirqd/123:28:531
3128991714,1cyclictest25-21ksoftirqd/122:51:311
3128991713,3cyclictest25-21ksoftirqd/121:49:551
312899170,16cyclictest5164-21kworker/1:023:55:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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