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2025-12-30 - 18:45
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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 rack2slot0.osadl.org (updated Tue Dec 30, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295722880,1sleep341-21ksoftirqd/311:34:543
246172580,1sleep2660-21avahi-daemon10:30:572
55572550,0sleep10-21swapper/109:46:341
134432550,0sleep30-21swapper/310:15:113
23822540,0sleep30-21swapper/307:05:193
58032530,0sleep10-21swapper/110:37:371
207952520,0sleep00-21swapper/010:05:260
51862510,0sleep30-21swapper/311:38:173
139312510,1sleep213926-21lspci09:19:542
94902500,0sleep00-21swapper/009:57:220
291982500,1sleep129186-21sshd09:55:591
134322500,0sleep00-21swapper/011:58:290
32132490,1sleep23204-21lspci10:00:122
88352480,0sleep00-21swapper/011:44:110
60092480,0sleep10-21swapper/111:43:561
183332480,0sleep10-21swapper/109:30:361
136992480,0sleep10-21swapper/111:05:471
94722470,0sleep29462-21cp11:16:302
86332470,0sleep20-21swapper/211:55:162
164072440,0sleep00-21swapper/011:14:240
164072440,0sleep00-21swapper/011:14:240
307223010,6sleep10-21swapper/107:08:581
29722287,7sleep20-21swapper/207:07:432
283922211,7sleep00-21swapper/007:06:010
313382210,0sleep20-21swapper/211:48:552
109252210,0sleep11073-21nfsd11:22:101
50542200,0sleep10-21swapper/110:40:161
154192200,1sleep315417-21lspci10:38:263
182052190,1sleep2674-21dbus-daemon10:08:462
83332180,1sleep125-21ksoftirqd/111:46:541
3268991817,0cyclictest30361-21lspci12:02:430
326899166,2cyclictest9-21ksoftirqd/010:55:200
83992150,0sleep20-21swapper/209:36:292
53912150,0sleep20-21swapper/211:35:282
3272991515,0cyclictest20337-21kworker/1:209:10:581
3272991514,0cyclictest22859-21kworker/1:312:14:321
3268991514,0cyclictest32550irq/27-ahci[00012:25:130
299322150,0sleep20-21swapper/212:02:402
264402150,0sleep20-21swapper/210:58:402
150582150,0sleep10-21swapper/111:30:471
48352140,0sleep04819-21rm09:43:030
3272991414,0cyclictest29750-21kworker/1:010:58:251
3272991414,0cyclictest29184-21kworker/1:310:53:131
3272991414,0cyclictest22859-21kworker/1:312:23:111
3272991413,0cyclictest17755-21kworker/1:112:30:271
326899144,2cyclictest9-21ksoftirqd/010:52:140
326899143,1cyclictest9-21ksoftirqd/011:01:540
3268991413,0cyclictest27902-21lspci09:52:250
3268991413,0cyclictest15064-21lspci09:37:120
3268991413,0cyclictest10049-21kworker/0:112:30:120
316852140,1sleep331676-21sshd12:19:313
184812140,1sleep1231rcuc/110:27:421
327899130,12cyclictest699-21gdbus12:12:532
3272991313,0cyclictest9183-21kworker/1:010:11:381
3272991313,0cyclictest22383-21kworker/1:009:24:401
3272991313,0cyclictest22383-21kworker/1:009:24:401
3272991313,0cyclictest19094-21kworker/1:309:38:311
3272991312,0cyclictest12153-21kworker/1:110:04:311
3272991311,1cyclictest32486-21kworker/1:012:37:241
3272991311,1cyclictest32486-21kworker/1:012:37:231
326899135,1cyclictest9-21ksoftirqd/011:17:280
326899134,1cyclictest9-21ksoftirqd/011:05:070
3268991313,0cyclictest14060-21kworker/0:410:29:130
3268991313,0cyclictest11469-21kworker/0:011:27:580
3268991312,0cyclictest28586-21kworker/0:110:20:030
226752130,0sleep00-21swapper/012:38:150
226752130,0sleep00-21swapper/012:38:150
3285991210,1cyclictest30031-21grep12:13:493
328599120,1cyclictest26379-21lspci11:40:083
328599120,11cyclictest2946-21sshd11:21:293
328599120,11cyclictest0-21swapper/311:29:383
328599120,11cyclictest0-21swapper/310:31:293
3278991211,0cyclictest0-21swapper/208:10:122
3278991210,1cyclictest1-21systemd09:23:532
3278991210,1cyclictest1-21systemd09:23:522
327899120,1cyclictest11926-21sshd10:15:022
327899120,11cyclictest0-21swapper/210:52:222
327899120,11cyclictest0-21swapper/209:55:332
327299122,2cyclictest3638-21sshd11:02:131
3272991212,0cyclictest29184-21kworker/1:310:46:181
3272991212,0cyclictest20278-21kworker/1:208:10:171
3272991212,0cyclictest17755-21kworker/1:112:28:341
3272991210,1cyclictest0-21swapper/111:27:561
326899124,1cyclictest9-21ksoftirqd/012:22:160
326899124,1cyclictest9-21ksoftirqd/010:40:230
326899123,1cyclictest9-21ksoftirqd/009:31:020
326899121,2cyclictest9-21ksoftirqd/012:07:580
3268991212,0cyclictest32550irq/27-ahci[00011:33:390
3268991212,0cyclictest24529-21kworker/0:210:03:030
3268991211,0cyclictest32255-21lspci12:11:100
3268991211,0cyclictest21185-21kworker/0:309:16:140
3268991210,1cyclictest5393-21sshd10:14:220
328599119,1cyclictest10399-21sshd11:52:383
328599110,10cyclictest0-21swapper/309:24:093
328599110,10cyclictest0-21swapper/309:24:083
328599110,0cyclictest0-21swapper/310:53:383
327899110,10cyclictest620-17auditd10:25:022
327899110,10cyclictest0-21swapper/211:28:222
327899110,10cyclictest0-21swapper/210:43:522
327899110,10cyclictest0-21swapper/209:52:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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