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2026-08-27 - 10:47
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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 Aug 27, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64952980,0sleep62803299cyclictest22:17:546
144622870,1sleep62803299cyclictest23:18:016
76782860,2sleep72804099cyclictest21:05:397
105952700,0sleep20-21swapper/223:28:382
105952700,0sleep20-21swapper/223:28:382
111252670,1sleep21-21systemd21:47:312
125752530,0sleep10-21swapper/122:58:021
127812510,1sleep51-21systemd23:57:415
183922490,1sleep62803299cyclictest21:26:206
183922490,1sleep62803299cyclictest21:26:206
2758524824,8sleep00-21swapper/019:01:290
130072480,0sleep50-21swapper/522:54:295
323392470,0sleep40-21swapper/400:04:134
233872470,1sleep123334-21sshd21:24:551
65232460,0sleep50-21swapper/521:34:445
2774324623,8sleep50-21swapper/519:03:435
187612460,0sleep718759-21sshd00:07:047
127392460,0sleep70-21swapper/700:21:067
16472450,0sleep20-21swapper/222:59:152
122902450,0sleep012288-21sshd00:08:330
286312440,0sleep60-21swapper/623:40:286
2752524432,8sleep70-21swapper/719:00:407
261402440,2sleep72804099cyclictest22:56:567
251492440,2sleep52802799cyclictest23:52:525
190372440,0sleep70-21swapper/721:46:077
140182440,0sleep00-21swapper/022:41:510
118992440,1sleep711866-21sshd21:18:527
33022430,0sleep10-21swapper/100:02:331
2769524331,9sleep40-21swapper/419:03:024
219792430,0sleep30-21swapper/321:42:433
56772420,0sleep10-21swapper/123:40:551
145492420,2sleep32801299cyclictest22:29:123
115262420,2sleep72804099cyclictest23:50:227
99112410,0sleep20-21swapper/222:30:402
99112410,0sleep20-21swapper/222:30:402
93832410,0sleep10-21swapper/123:25:011
285162410,0sleep30-21swapper/322:49:553
2782824128,9sleep30-21swapper/319:04:533
264042410,0sleep20-21swapper/220:55:172
257692410,0sleep50-21swapper/521:28:355
257692410,0sleep50-21swapper/521:28:355
20222410,0sleep30-21swapper/323:46:093
105142410,0sleep10-21swapper/121:27:431
105142410,0sleep10-21swapper/121:27:431
84292400,1sleep68415-21bash23:08:406
2783124027,9sleep60-21swapper/619:04:566
2772224029,8sleep20-21swapper/219:03:242
274412400,0sleep50-21swapper/500:07:345
262742400,0sleep50-21swapper/522:28:025
78262390,0sleep30-21swapper/322:23:283
197772390,0sleep1241ktimersoftd/122:25:501
16352390,0sleep20-21swapper/200:11:312
2769223827,8sleep10-21swapper/119:02:591
251902380,0sleep00-21swapper/023:00:330
190882380,0sleep00-21swapper/023:56:080
324062340,2sleep12800299cyclictest23:49:441
2804099227,1cyclictest73-21ksoftirqd/722:25:447
28040992117,1cyclictest73-21ksoftirqd/722:15:177
2803299217,3cyclictest65-21ksoftirqd/621:45:166
2803299216,3cyclictest65-21ksoftirqd/622:49:526
2804099209,1cyclictest73-21ksoftirqd/700:10:237
2804099206,3cyclictest73-21ksoftirqd/700:30:087
2803299209,4cyclictest65-21ksoftirqd/600:00:496
2803299207,3cyclictest65-21ksoftirqd/623:21:056
2803299207,1cyclictest65-21ksoftirqd/623:32:046
2803299207,1cyclictest65-21ksoftirqd/621:49:196
2803299206,3cyclictest65-21ksoftirqd/623:37:296
2804099193,4cyclictest73-21ksoftirqd/721:58:257
28040991917,1cyclictest73-21ksoftirqd/723:18:477
28040991916,1cyclictest73-21ksoftirqd/722:51:287
28040991916,1cyclictest73-21ksoftirqd/721:34:157
28040991915,3cyclictest73-21ksoftirqd/721:20:237
28040991915,2cyclictest73-21ksoftirqd/723:36:567
28040991912,4cyclictest73-21ksoftirqd/722:10:237
2803299196,3cyclictest65-21ksoftirqd/623:47:416
2803299196,2cyclictest65-21ksoftirqd/623:03:596
28032991915,1cyclictest65-21ksoftirqd/600:10:276
2803299191,1cyclictest131rcu_sched21:31:286
28040991817,1cyclictest73-21ksoftirqd/723:55:297
28040991816,1cyclictest73-21ksoftirqd/723:46:377
28040991814,1cyclictest121rcu_preempt23:03:337
28040991813,3cyclictest73-21ksoftirqd/722:47:127
28040991811,4cyclictest73-21ksoftirqd/723:43:557
2804099181,3cyclictest73-21ksoftirqd/723:12:027
2803299188,1cyclictest65-21ksoftirqd/622:54:276
2803299187,1cyclictest65-21ksoftirqd/600:27:036
2803299186,4cyclictest65-21ksoftirqd/623:26:046
2803299186,4cyclictest65-21ksoftirqd/623:26:046
2803299185,3cyclictest65-21ksoftirqd/623:52:416
2803299185,3cyclictest65-21ksoftirqd/600:22:246
28032991812,4cyclictest65-21ksoftirqd/621:09:076
218312180,0sleep60-21swapper/622:38:456
89912170,0sleep30-21swapper/321:56:213
60702170,0sleep60-21swapper/600:31:306
2804099174,1cyclictest73-21ksoftirqd/722:21:397
2804099172,1cyclictest73-21ksoftirqd/723:07:117
28040991715,1cyclictest73-21ksoftirqd/722:43:557
28040991715,1cyclictest73-21ksoftirqd/721:26:557
28040991715,1cyclictest73-21ksoftirqd/721:26:557
28040991715,1cyclictest73-21ksoftirqd/700:01:417
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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