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2025-12-23 - 03:48
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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 Tue Dec 23, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44532550,0sleep6641ktimersoftd/622:51:576
1829125227,9sleep00-21swapper/019:05:460
1768525123,8sleep30-21swapper/319:05:013
135112500,1sleep413509-21sshd23:33:124
1837324926,8sleep20-21swapper/219:06:522
84402470,0sleep20-21swapper/223:25:492
33572460,0sleep30-21swapper/323:32:073
262242460,1sleep61-21systemd22:27:316
88512450,1sleep341-21ksoftirqd/322:12:223
216442450,0sleep70-21swapper/721:47:037
326672440,0sleep20-21swapper/200:25:312
140792440,1sleep71-21systemd21:42:557
202642430,0sleep20-21swapper/222:06:522
1846124324,15sleep50-21swapper/519:07:595
1822824127,9sleep60-21swapper/619:05:046
80662400,1sleep58064-21bash22:35:315
262152400,0sleep10-21swapper/122:20:451
18572400,1sleep41861-21nfsd422:14:554
1850524028,9sleep40-21swapper/419:08:384
1828924027,9sleep70-21swapper/719:05:457
237842390,0sleep30-21swapper/322:00:293
1841723928,8sleep10-21swapper/119:07:231
267772380,0sleep00-21swapper/000:14:560
203312380,0sleep30-21swapper/323:40:313
184952370,0sleep00-21swapper/021:13:410
264112350,0sleep40-21swapper/423:48:014
264112350,0sleep40-21swapper/423:48:014
248422350,1sleep124844-21sshd22:54:091
1872799229,2cyclictest25-21ksoftirqd/121:48:061
1874199219,1cyclictest65-21ksoftirqd/600:14:066
1872799207,1cyclictest25-21ksoftirqd/123:50:301
18727992013,3cyclictest25-21ksoftirqd/100:21:331
1872799201,3cyclictest25-21ksoftirqd/122:42:511
18741991916,3cyclictest65-21ksoftirqd/623:25:516
18727991910,3cyclictest25-21ksoftirqd/123:27:041
1872799191,3cyclictest25-21ksoftirqd/123:36:121
18741991816,1cyclictest65-21ksoftirqd/623:56:026
18741991816,1cyclictest492-21systemd-journal22:09:456
18741991814,1cyclictest65-21ksoftirqd/623:31:356
18741991812,3cyclictest65-21ksoftirqd/623:36:356
18741991812,2cyclictest24690-21systemd00:04:416
18741991811,5cyclictest65-21ksoftirqd/621:54:486
18741991811,5cyclictest65-21ksoftirqd/621:54:486
1872799185,3cyclictest25-21ksoftirqd/121:36:521
18727991812,3cyclictest25-21ksoftirqd/121:55:261
18727991812,3cyclictest25-21ksoftirqd/121:55:261
18727991811,3cyclictest25-21ksoftirqd/123:43:021
1872799180,1cyclictest0-21swapper/122:45:551
7132170,1sleep6694-21http_loadtime23:04:556
18742991715,2cyclictest73-21ksoftirqd/723:21:567
18742991715,1cyclictest73-21ksoftirqd/700:09:387
1874199174,1cyclictest65-21ksoftirqd/622:39:586
1874199174,1cyclictest65-21ksoftirqd/600:21:006
18741991713,3cyclictest65-21ksoftirqd/623:10:246
18741991711,4cyclictest65-21ksoftirqd/621:17:276
1874199171,1cyclictest492-21systemd-journal21:31:416
1874199170,1cyclictest121rcu_preempt23:21:376
18740991715,1cyclictest57-21ksoftirqd/523:40:435
18740991712,4cyclictest57-21ksoftirqd/523:44:525
18740991712,4cyclictest57-21ksoftirqd/523:44:525
1872799178,1cyclictest25-21ksoftirqd/122:36:191
1872799175,3cyclictest25-21ksoftirqd/122:18:301
18727991712,3cyclictest25-21ksoftirqd/100:09:241
1872799171,2cyclictest25-21ksoftirqd/123:11:541
1872799171,2cyclictest25-21ksoftirqd/123:01:341
1872799171,1cyclictest0-21swapper/100:12:211
18742991614,1cyclictest73-21ksoftirqd/723:15:477
18742991614,1cyclictest73-21ksoftirqd/722:34:057
18742991614,1cyclictest73-21ksoftirqd/722:21:217
18742991613,2cyclictest73-21ksoftirqd/723:33:187
1874199169,1cyclictest65-21ksoftirqd/622:16:446
1874199167,1cyclictest65-21ksoftirqd/623:50:086
1874199163,1cyclictest65-21ksoftirqd/600:27:546
18741991615,1cyclictest65-21ksoftirqd/621:24:586
18741991614,2cyclictest65-21ksoftirqd/621:34:536
18741991614,1cyclictest65-21ksoftirqd/622:34:456
18741991614,1cyclictest65-21ksoftirqd/600:16:306
1874199160,15cyclictest32333-21kworker/6:623:03:246
1874099160,1cyclictest131rcu_sched23:07:125
1872799168,3cyclictest25-21ksoftirqd/121:34:331
1872799166,3cyclictest25-21ksoftirqd/121:25:541
1872799166,3cyclictest25-21ksoftirqd/100:02:371
1872799165,3cyclictest25-21ksoftirqd/100:25:311
18727991614,1cyclictest25-21ksoftirqd/100:29:421
18727991611,3cyclictest25-21ksoftirqd/121:51:461
1872799161,3cyclictest0-21swapper/123:23:261
1872799161,2cyclictest686-21dbus-daemon21:19:581
1872799161,2cyclictest25-21ksoftirqd/122:31:461
1872799160,3cyclictest25-21ksoftirqd/122:10:311
1872799160,3cyclictest25-21ksoftirqd/122:07:591
1872799160,2cyclictest0-21swapper/123:29:571
1872799160,1cyclictest0-21swapper/121:42:061
1872799160,1cyclictest0-21swapper/100:16:191
1872799160,0cyclictest0-21swapper/122:56:191
61022150,0sleep50-21swapper/521:11:455
18742991514,1cyclictest73-21ksoftirqd/723:51:357
18742991514,1cyclictest73-21ksoftirqd/722:08:207
18742991513,1cyclictest492-21systemd-journal21:14:517
18742991512,3cyclictest73-21ksoftirqd/700:01:297
1874199156,1cyclictest65-21ksoftirqd/622:03:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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