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2026-05-17 - 15:57
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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 May 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1834997839,0cyclictest0-21swapper/612:04:106
66992770,1sleep76668-21sshd10:52:497
153182750,2sleep1178799cyclictest11:27:031
308382730,0sleep6631rcuc/610:37:186
264782730,0sleep50-21swapper/509:16:205
161712720,1sleep09-21ksoftirqd/012:12:430
235232700,0sleep00-21swapper/010:31:190
1779996121,39cyclictest32379-21systemd12:04:100
98782570,1sleep79873-21sshd10:56:417
1820995755,1cyclictest15-21kswork12:04:105
140625038,8sleep70-21swapper/707:05:547
308942490,0sleep10-21swapper/112:28:301
97732480,1sleep09765-21sshd11:11:400
97732480,1sleep09765-21sshd11:11:400
153724825,9sleep40-21swapper/407:07:444
140892480,0sleep40-21swapper/412:14:234
136092480,0sleep7711rcuc/712:12:347
3156524736,8sleep20-21swapper/207:04:052
133624736,8sleep50-21swapper/507:04:565
12702470,0sleep00-21swapper/009:31:440
307732460,0sleep70-21swapper/711:46:557
24342460,0sleep20-21swapper/210:09:192
230052460,0sleep60-21swapper/612:16:496
209682460,0sleep20-21swapper/211:14:142
182742450,2sleep518275-21latency_hist10:14:025
43922440,1sleep7185099cyclictest09:28:157
268472440,0sleep5758-21runrttasks12:09:285
192232440,1sleep019221-21bash11:25:170
179599440,44cyclictest2253-21kworker/2:412:04:102
152442440,1sleep715227-21cp11:29:017
140832440,0sleep00-21swapper/011:47:520
138424432,9sleep30-21swapper/307:05:343
55752430,1sleep1721-21dbus-daemon10:09:261
47462430,2sleep6183499cyclictest10:48:556
286142430,0sleep00-21swapper/010:39:040
171292430,0sleep60-21swapper/608:29:206
1787994214,27cyclictest0-21swapper/112:04:101
162502420,0sleep00-21swapper/011:23:170
159124230,9sleep10-21swapper/107:08:211
122302420,0sleep70-21swapper/709:47:217
70322410,0sleep30-21swapper/310:43:243
66552410,0sleep00-21swapper/012:36:380
3244924123,4sleep00-21swapper/007:04:190
29202410,0sleep60-21swapper/612:30:356
124342410,0sleep10-21swapper/111:21:101
288492400,0sleep10-21swapper/109:52:041
318252390,0sleep50-21swapper/510:31:485
3156923926,9sleep60-21swapper/607:04:096
198592390,0sleep40-21swapper/409:14:104
43162380,0sleep30-21swapper/309:35:403
32872380,0sleep40-21swapper/409:13:144
22112380,0sleep00-21swapper/011:56:330
120222380,0sleep40-21swapper/409:51:034
189992370,0sleep10-21swapper/111:12:131
189992370,0sleep10-21swapper/111:12:131
1812993736,1cyclictest348-21kworker/4:212:04:104
135902360,0sleep70-21swapper/711:49:357
171172310,0sleep00-21swapper/011:32:540
159252310,2sleep2179599cyclictest10:17:362
159252310,2sleep2179599cyclictest10:17:362
1812992410,3cyclictest49-21ksoftirqd/411:28:414
181299239,4cyclictest49-21ksoftirqd/412:19:514
181299228,3cyclictest49-21ksoftirqd/411:18:294
1812992210,1cyclictest49-21ksoftirqd/409:54:304
181299216,1cyclictest49-21ksoftirqd/412:37:474
181299216,1cyclictest49-21ksoftirqd/411:08:524
181299214,1cyclictest49-21ksoftirqd/410:09:104
1812992115,3cyclictest49-21ksoftirqd/411:01:594
1812992114,4cyclictest49-21ksoftirqd/410:14:064
1812992114,4cyclictest49-21ksoftirqd/410:14:064
285422200,1sleep728539-21bash11:07:067
181299208,1cyclictest49-21ksoftirqd/409:42:174
181299204,2cyclictest49-21ksoftirqd/411:46:134
181299203,1cyclictest49-21ksoftirqd/409:20:174
1812992014,4cyclictest49-21ksoftirqd/410:37:174
1795992016,1cyclictest33-21ksoftirqd/211:56:212
122792200,1sleep75245-21kworker/u16:010:11:487
181299197,1cyclictest49-21ksoftirqd/410:54:114
181299195,3cyclictest49-21ksoftirqd/411:41:214
181299193,1cyclictest49-21ksoftirqd/409:30:514
181299193,1cyclictest131rcu_sched10:41:314
181299192,1cyclictest49-21ksoftirqd/409:36:164
1812991913,4cyclictest49-21ksoftirqd/410:47:364
137342190,1sleep413713-21sshd11:32:424
1850991817,1cyclictest32505-21sshd12:04:107
1820991816,1cyclictest57-21ksoftirqd/511:56:135
1820991812,5cyclictest57-21ksoftirqd/512:03:295
1820991811,6cyclictest57-21ksoftirqd/512:21:095
181299189,3cyclictest49-21ksoftirqd/410:03:064
181299188,4cyclictest49-21ksoftirqd/410:23:214
181299186,1cyclictest49-21ksoftirqd/410:07:484
181299185,2cyclictest49-21ksoftirqd/411:10:204
181299185,2cyclictest49-21ksoftirqd/411:10:204
181299184,2cyclictest49-21ksoftirqd/412:25:004
181299184,1cyclictest49-21ksoftirqd/410:51:304
181299182,1cyclictest49-21ksoftirqd/412:03:514
1812991814,1cyclictest49-21ksoftirqd/411:51:214
181299181,3cyclictest49-21ksoftirqd/410:30:234
181299180,1cyclictest49-21ksoftirqd/412:12:264
181299180,1cyclictest464-21systemd-journal11:57:184
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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