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2026-08-23 - 02:24
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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 Sun Aug 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204682920,2sleep0415199cyclictest00:21:190
132922760,2sleep6419799cyclictest23:48:336
49672580,0sleep14944-21sshd21:27:081
301612550,0sleep3391rcuc/300:30:513
270142530,0sleep20-21swapper/200:28:582
265422520,0sleep00-21swapper/000:18:070
193942520,0sleep10-21swapper/100:26:411
140602510,0sleep60-21swapper/622:26:246
130952510,0sleep20-21swapper/200:15:362
371725026,8sleep70-21swapper/719:01:577
321272500,4sleep10-21swapper/123:28:021
314322500,0sleep00-21swapper/022:34:350
380624925,8sleep30-21swapper/319:03:053
380324825,8sleep00-21swapper/019:03:020
269002480,0sleep30-21swapper/323:18:513
266122480,0sleep726615-21grepconf.sh22:05:427
97102470,0sleep20-21swapper/200:11:442
395124731,12sleep50-21swapper/519:05:085
294182470,0sleep50-21swapper/523:29:425
67742460,0sleep56771-21sshd21:16:315
33992460,1sleep33381-21cp21:21:413
216062460,1sleep121609-21grepconf.sh23:18:331
100732460,2sleep0415199cyclictest21:34:360
100732460,2sleep0415199cyclictest21:34:360
72892450,0sleep70-21swapper/721:45:087
63382450,0sleep71-21systemd21:53:577
230202450,0sleep10-21swapper/121:40:371
101862450,0sleep20-21swapper/223:42:532
305522440,0sleep00-21swapper/023:06:300
271352440,0sleep10-21swapper/122:04:001
222472440,0sleep10-21swapper/122:34:041
202432440,0sleep20-21swapper/200:05:112
167672440,1sleep316714-21sshd22:30:133
97362430,0sleep50-21swapper/523:21:255
57172430,0sleep60-21swapper/623:03:246
115552430,0sleep40-21swapper/421:29:194
300552420,0sleep20-21swapper/223:27:552
21572420,0sleep0101ktimersoftd/023:58:440
173852420,0sleep4752-21snmpd00:33:494
164092420,2sleep585250irq/26-em1-tx-023:07:325
318152410,0sleep4471rcuc/421:16:064
296062410,0sleep30-21swapper/321:46:163
218582410,0sleep70-21swapper/722:28:417
185522410,0sleep20-21swapper/223:14:492
185522410,0sleep20-21swapper/223:14:492
167702410,0sleep30-21swapper/323:09:223
78752400,0sleep40-21swapper/421:48:414
71452400,0sleep10-21swapper/123:40:511
57792400,0sleep00-21swapper/023:44:350
385624029,8sleep40-21swapper/419:03:464
290362400,0sleep30-21swapper/322:55:443
274362400,0sleep10-21swapper/121:06:331
393023927,9sleep20-21swapper/219:04:492
29772390,0sleep40-21swapper/423:22:524
142623926,9sleep10-21swapper/119:00:311
12202390,0sleep10-21swapper/123:53:171
90052380,0sleep50-21swapper/500:15:235
142223826,9sleep60-21swapper/619:00:286
296622360,0sleep10-21swapper/123:56:371
166162350,0sleep50-21swapper/521:29:365
4189992215,4cyclictest57-21ksoftirqd/522:55:315
419799218,1cyclictest65-21ksoftirqd/622:54:436
107922210,0sleep50-21swapper/523:59:145
9622200,0sleep70-21swapper/722:45:237
419799208,4cyclictest65-21ksoftirqd/622:32:186
4197992013,1cyclictest65-21ksoftirqd/623:59:446
49632190,0sleep00-21swapper/023:49:550
4197991915,1cyclictest65-21ksoftirqd/622:43:026
4166991915,1cyclictest33-21ksoftirqd/222:25:452
4166991914,1cyclictest33-21ksoftirqd/221:57:282
4166991913,4cyclictest33-21ksoftirqd/221:28:292
419799189,1cyclictest65-21ksoftirqd/600:08:526
419799187,1cyclictest65-21ksoftirqd/623:08:256
4197991811,1cyclictest65-21ksoftirqd/622:12:106
419799181,1cyclictest65-21ksoftirqd/622:05:446
419799180,1cyclictest121rcu_preempt00:18:316
4189991816,1cyclictest57-21ksoftirqd/522:47:105
4189991816,1cyclictest57-21ksoftirqd/522:23:265
4189991816,1cyclictest57-21ksoftirqd/521:44:495
4189991814,3cyclictest57-21ksoftirqd/521:59:525
4189991814,3cyclictest57-21ksoftirqd/521:12:405
4189991811,2cyclictest57-21ksoftirqd/500:27:325
4166991815,3cyclictest33-21ksoftirqd/223:55:172
4166991814,3cyclictest33-21ksoftirqd/222:52:142
416699180,1cyclictest33-21ksoftirqd/222:05:412
416699180,1cyclictest121rcu_preempt00:10:102
183562180,1sleep418358-21systemd-cgroups23:00:344
419799172,2cyclictest65-21ksoftirqd/622:36:386
4197991716,1cyclictest85150irq/25-em1-rx-022:45:456
4197991715,1cyclictest65-21ksoftirqd/622:21:346
4197991715,1cyclictest65-21ksoftirqd/622:20:106
4197991715,1cyclictest65-21ksoftirqd/622:04:066
4197991715,1cyclictest65-21ksoftirqd/621:40:036
4197991715,1cyclictest65-21ksoftirqd/621:40:036
4197991715,1cyclictest65-21ksoftirqd/600:32:046
4197991714,2cyclictest65-21ksoftirqd/621:46:266
4197991713,3cyclictest65-21ksoftirqd/623:21:116
4197991713,1cyclictest65-21ksoftirqd/600:13:316
419799170,1cyclictest131rcu_sched23:35:256
418999178,1cyclictest131rcu_sched22:10:375
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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