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2026-09-28 - 01:07
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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 Sep 27, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3112421060,0sleep30-21swapper/309:17:383
226052970,1sleep22941099cyclictest12:02:442
195382730,1sleep7721ktimersoftd/710:53:457
195382730,1sleep7721ktimersoftd/710:53:457
225542510,0sleep222555-21systemd-cgroups11:01:332
139472500,0sleep00-21swapper/010:16:530
2917124925,9sleep10-21swapper/107:03:161
200762480,0sleep70-21swapper/709:13:177
98952470,1sleep2721-21dbus-daemon10:05:102
42022470,0sleep0101ktimersoftd/011:21:250
132262470,0sleep70-21swapper/709:46:337
327052460,0sleep532688-21sshd10:08:255
314652460,1sleep731382-21sshd11:28:377
2899524622,9sleep30-21swapper/307:00:543
279302460,0sleep627927-21systemd-cgroups10:52:166
279302460,0sleep627927-21systemd-cgroups10:52:166
230072460,0sleep773-21ksoftirqd/710:26:547
171542460,1sleep341-21ksoftirqd/311:14:393
171502460,1sleep517149-21sshd09:13:075
115272460,1sleep111530-21bash11:16:131
307212450,0sleep40-21swapper/409:34:294
101742450,0sleep50-21swapper/510:51:105
101742450,0sleep50-21swapper/510:51:105
313462440,0sleep531342-21sshd09:43:595
289812440,0sleep20-21swapper/208:54:222
244832440,0sleep30-21swapper/311:24:243
230232440,0sleep0111rcuc/009:49:060
227252440,1sleep22941099cyclictest10:24:482
112192440,1sleep711221-21sshd10:22:217
111542440,0sleep40-21swapper/409:53:594
111542440,0sleep40-21swapper/409:53:594
71362430,0sleep50-21swapper/511:08:245
28452430,0sleep60-21swapper/611:57:436
241972430,0sleep60-21swapper/611:41:336
56882420,0sleep50-21swapper/509:06:345
56882420,0sleep50-21swapper/509:06:345
284492420,0sleep50-21swapper/509:56:485
2758024229,8sleep70-21swapper/706:59:217
270682420,0sleep40-21swapper/411:55:094
238062420,1sleep723792-21sshd10:11:407
280252410,0sleep20-21swapper/210:56:042
237282410,0sleep30-21swapper/310:46:203
217952410,0sleep40-21swapper/412:20:164
149162410,0sleep60-21swapper/610:07:226
9012400,1sleep5902-21sshd10:23:395
2904724028,9sleep60-21swapper/607:01:376
2897024028,8sleep50-21swapper/507:00:325
266742400,0sleep30-21swapper/310:57:573
2915923928,8sleep20-21swapper/207:03:092
2902823926,9sleep00-21swapper/007:01:230
289562398,27sleep40-21swapper/407:00:234
266992390,0sleep60-21swapper/612:28:196
22122390,0sleep00-21swapper/012:03:300
96842380,0sleep40-21swapper/410:07:044
198882380,0sleep30-21swapper/311:39:223
26972370,0sleep40-21swapper/411:06:074
57602350,0sleep00-21swapper/011:29:020
29401992113,5cyclictest9-21ksoftirqd/010:02:510
29401992113,5cyclictest9-21ksoftirqd/010:02:510
29401991917,1cyclictest9-21ksoftirqd/011:14:210
29401991916,3cyclictest9-21ksoftirqd/009:57:210
29401991915,1cyclictest9-21ksoftirqd/011:32:560
126962190,0sleep20-21swapper/209:55:492
29401991816,1cyclictest9-21ksoftirqd/011:08:260
29401991814,2cyclictest9-21ksoftirqd/009:08:310
29401991814,2cyclictest9-21ksoftirqd/009:08:310
29417991713,3cyclictest65-21ksoftirqd/612:20:576
29401991715,1cyclictest9-21ksoftirqd/012:09:460
29401991715,1cyclictest9-21ksoftirqd/011:10:170
29401991715,1cyclictest9-21ksoftirqd/010:23:020
29401991715,1cyclictest9-21ksoftirqd/009:13:230
29401991714,2cyclictest9-21ksoftirqd/010:44:180
29401991712,4cyclictest9-21ksoftirqd/009:32:540
29401991711,4cyclictest9-21ksoftirqd/010:54:000
29401991711,4cyclictest9-21ksoftirqd/010:54:000
251062170,0sleep60-21swapper/612:16:416
29417991615,1cyclictest65-21ksoftirqd/610:38:216
29417991614,1cyclictest65-21ksoftirqd/611:11:556
29417991612,3cyclictest65-21ksoftirqd/610:43:486
29417991612,1cyclictest65-21ksoftirqd/610:45:386
29417991611,3cyclictest65-21ksoftirqd/609:55:386
2941399165,5cyclictest0-21swapper/509:51:105
2941399165,5cyclictest0-21swapper/509:51:105
29410991615,1cyclictest33-21ksoftirqd/211:18:542
29410991613,3cyclictest33-21ksoftirqd/211:09:192
29401991615,1cyclictest9-21ksoftirqd/012:20:010
29401991614,1cyclictest9-21ksoftirqd/012:17:220
29401991614,1cyclictest9-21ksoftirqd/011:55:120
29401991614,1cyclictest9-21ksoftirqd/010:34:510
29401991614,1cyclictest9-21ksoftirqd/009:49:230
29401991614,1cyclictest9-21ksoftirqd/009:49:230
29401991614,1cyclictest464-21systemd-journal09:16:190
29401991613,3cyclictest9-21ksoftirqd/011:34:120
29401991613,2cyclictest9-21ksoftirqd/011:41:470
29401991613,2cyclictest1-21systemd10:26:380
29401991612,2cyclictest9-21ksoftirqd/012:27:040
29401991611,4cyclictest9-21ksoftirqd/010:55:000
2941799159,3cyclictest65-21ksoftirqd/609:19:416
29417991514,1cyclictest65-21ksoftirqd/611:37:536
29417991514,1cyclictest65-21ksoftirqd/611:23:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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