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2026-09-08 - 14:04
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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 Sep 08, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75142930,1sleep449-21ksoftirqd/411:19:554
38142930,0sleep70-21swapper/710:26:407
217392740,0sleep10-21swapper/109:52:301
1446925633,8sleep30-21swapper/306:59:523
44442480,0sleep10-21swapper/112:16:311
194872480,1sleep219490-21cpuspeed_turbos10:10:012
180722470,0sleep30-21swapper/310:47:113
138832470,0sleep70-21swapper/711:53:387
213332460,1sleep521280-21sshd12:29:245
1670124635,8sleep70-21swapper/707:01:337
151972460,0sleep20-21swapper/210:31:162
226012450,2sleep41709799cyclictest10:00:184
192052450,0sleep10-21swapper/111:22:331
17452440,0sleep20-21swapper/209:33:412
1662324432,8sleep50-21swapper/507:00:265
161702440,1sleep21-21systemd10:00:002
138892440,1sleep113890-21bash10:35:071
42162430,0sleep60-21swapper/610:22:476
184142430,0sleep60-21swapper/610:04:056
181902430,0sleep70-21swapper/709:34:427
1688524331,8sleep40-21swapper/407:04:024
165452430,0sleep60-21swapper/609:58:046
74132420,0sleep30-21swapper/312:34:273
239902420,0sleep00-21swapper/011:13:030
1665624231,8sleep20-21swapper/207:00:562
128622420,0sleep10-21swapper/110:03:441
193902410,0sleep773-21ksoftirqd/709:17:047
19092410,0sleep00-21swapper/012:16:220
187202410,0sleep30-21swapper/312:05:363
1447524129,9sleep00-21swapper/006:59:570
71292400,0sleep40-21swapper/409:08:284
30262400,0sleep10-21swapper/112:06:381
242202400,0sleep00-21swapper/009:42:520
1679524028,8sleep60-21swapper/607:02:526
307192390,0sleep30-21swapper/309:23:413
282342390,0sleep40-21swapper/411:52:314
273952390,0sleep70-21swapper/712:19:577
1663723928,8sleep10-21swapper/107:00:381
41932370,0sleep20-21swapper/210:28:432
211262370,2sleep61710699cyclictest12:13:396
235072360,1sleep723510-21grepconf.sh09:21:137
280342330,2sleep01707599cyclictest12:10:050
271992300,0sleep30-21swapper/310:30:053
17081992214,3cyclictest25-21ksoftirqd/111:29:481
17081992118,1cyclictest25-21ksoftirqd/110:55:051
206742200,0sleep40-21swapper/411:40:144
17086992016,1cyclictest33-21ksoftirqd/210:51:582
17081992018,1cyclictest25-21ksoftirqd/111:54:171
291912190,0sleep20-21swapper/210:20:182
1710699190,2cyclictest17855-21bash10:53:046
1710699190,2cyclictest11031-21grepconf.sh11:22:026
17081991917,1cyclictest25-21ksoftirqd/110:17:051
17081991917,1cyclictest25-21ksoftirqd/110:17:051
17081991916,2cyclictest25-21ksoftirqd/110:21:371
68742180,0sleep10-21swapper/112:34:251
1710699183,6cyclictest26699-21grep10:31:596
1710699180,2cyclictest29260-21sshd11:34:596
1710699180,1cyclictest25184-21grepconf.sh09:37:016
1710699180,1cyclictest23003-21sshd10:59:186
17081991816,1cyclictest25-21ksoftirqd/111:57:091
17081991816,1cyclictest25-21ksoftirqd/111:10:091
17081991816,1cyclictest25-21ksoftirqd/110:45:021
17081991816,1cyclictest25-21ksoftirqd/109:19:521
17081991816,1cyclictest25-21ksoftirqd/109:14:481
17081991815,2cyclictest25-21ksoftirqd/109:25:031
17081991815,1cyclictest25-21ksoftirqd/112:29:081
17081991815,1cyclictest25-21ksoftirqd/112:01:581
17081991812,4cyclictest25-21ksoftirqd/111:16:391
17872170,0sleep30-21swapper/309:37:353
1708199173,1cyclictest131rcu_sched09:41:521
17081991716,1cyclictest25-21ksoftirqd/109:33:391
17081991715,2cyclictest25-21ksoftirqd/110:52:501
17081991715,1cyclictest25-21ksoftirqd/112:24:321
17081991715,1cyclictest25-21ksoftirqd/111:07:421
17081991715,1cyclictest25-21ksoftirqd/110:32:181
17081991715,1cyclictest25-21ksoftirqd/110:12:581
17081991715,1cyclictest25-21ksoftirqd/110:05:171
17081991715,1cyclictest25-21ksoftirqd/109:55:081
17081991715,1cyclictest25-21ksoftirqd/109:15:011
17081991714,3cyclictest25-21ksoftirqd/110:25:011
17081991710,4cyclictest25-21ksoftirqd/111:39:041
98842160,1sleep49868-21bash11:14:114
17118991610,3cyclictest73-21ksoftirqd/711:38:267
1710699160,2cyclictest25502-21bash10:18:136
1710699160,2cyclictest25502-21bash10:18:136
17086991614,1cyclictest33-21ksoftirqd/209:58:312
17086991613,2cyclictest33-21ksoftirqd/209:20:342
17081991615,1cyclictest25-21ksoftirqd/111:25:041
17081991614,1cyclictest25-21ksoftirqd/112:09:591
17081991614,1cyclictest25-21ksoftirqd/111:46:021
17081991614,1cyclictest25-21ksoftirqd/111:46:021
17081991614,1cyclictest25-21ksoftirqd/111:41:551
17081991614,1cyclictest25-21ksoftirqd/110:59:591
17081991614,1cyclictest25-21ksoftirqd/110:39:551
17081991613,1cyclictest25-21ksoftirqd/109:47:031
17081991611,3cyclictest25-21ksoftirqd/109:34:591
17075991613,2cyclictest9-21ksoftirqd/010:23:010
290412150,1sleep029038-21bash10:59:410
286892150,0sleep20-21swapper/209:50:552
262942150,0sleep70-21swapper/712:06:047
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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