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2026-05-20 - 14:07
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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 rack2slot0.osadl.org (updated Wed May 20, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130312800,1sleep213036-21bash10:32:262
101582570,0sleep10-21swapper/112:26:161
148442550,0sleep30-21swapper/312:07:123
73362530,0sleep00-21swapper/010:48:420
192442530,0sleep20-21swapper/212:04:502
13942530,0sleep31390-21sshd11:35:233
280942520,1sleep341-21ksoftirqd/309:19:423
20872520,0sleep30-21swapper/310:37:043
94322500,0sleep20-21swapper/211:55:342
5482500,0sleep00-21swapper/011:07:330
53572500,0sleep20-21swapper/211:41:202
237132490,0sleep10-21swapper/110:18:191
48962480,0sleep30-21swapper/310:31:423
318662480,0sleep0101ktimersoftd/010:42:260
146022480,1sleep314584-21rm11:42:093
20552470,0sleep10-21swapper/112:08:551
171712440,0sleep30-21swapper/311:08:593
78212420,0sleep10-21swapper/110:37:341
2739524230,7sleep20-21swapper/207:07:312
274432308,7sleep10-21swapper/107:08:061
272332269,4sleep30-21swapper/307:05:283
258062219,7sleep00-21swapper/007:05:090
39392190,0sleep30-21swapper/310:42:483
302532180,0sleep20-21swapper/209:57:462
94672170,0sleep00-21swapper/010:29:200
30422170,14sleep375750irq/24-eno1-rx-11:21:413
230402170,0sleep20-21swapper/211:37:182
226372170,1sleep322631-21lspci09:43:363
2770999166,1cyclictest33-21ksoftirqd/212:25:512
27704991614,1cyclictest18677-21kworker/0:009:17:260
138252160,0sleep20-21swapper/209:17:522
111672160,0sleep00-21swapper/010:06:200
27704991514,0cyclictest32550irq/27-ahci[00011:48:010
173932150,0sleep30-21swapper/310:46:453
96602140,0sleep30-21swapper/312:17:543
59432140,0sleep10-21swapper/109:29:001
324142140,0sleep00-21swapper/010:01:320
2770999145,2cyclictest33-21ksoftirqd/209:42:322
2770999145,1cyclictest33-21ksoftirqd/212:32:052
2770999144,1cyclictest33-21ksoftirqd/212:21:072
27709991414,0cyclictest527-40kipmi007:29:472
2770899140,12cyclictest17324-21sshd11:42:231
27704991413,0cyclictest27968-21lspci09:38:040
27704991413,0cyclictest26733-21kworker/0:210:30:140
27704991413,0cyclictest10943-21kworker/0:310:12:350
239152140,1sleep123912-21lspci12:02:251
190152140,0sleep10-21swapper/109:18:311
129762140,0sleep3391rcuc/310:54:473
115952140,0sleep00-21swapper/012:01:200
311102130,0sleep031111-21systemd-cgroups09:41:170
2771099130,1cyclictest1-21systemd12:13:383
2770999136,3cyclictest33-21ksoftirqd/209:35:172
2770999134,3cyclictest33-21ksoftirqd/210:19:282
2770999134,3cyclictest33-21ksoftirqd/209:46:142
2770999134,1cyclictest33-21ksoftirqd/212:05:452
2770999134,1cyclictest33-21ksoftirqd/210:25:202
2770999133,3cyclictest33-21ksoftirqd/211:14:262
2770999133,2cyclictest33-21ksoftirqd/211:28:312
2770999133,1cyclictest33-21ksoftirqd/211:05:432
2770999133,1cyclictest33-21ksoftirqd/210:38:042
27709991311,1cyclictest33-21ksoftirqd/211:00:082
27709991311,1cyclictest33-21ksoftirqd/210:49:412
2770999130,11cyclictest0-21swapper/212:13:082
27708991311,1cyclictest5641-21sshd11:13:321
2770899130,12cyclictest660-21avahi-daemon10:52:231
27704991313,0cyclictest28435-21kworker/0:011:27:060
27704991312,0cyclictest25912-21lspci10:55:480
27710991210,1cyclictest0-21swapper/311:33:483
2771099120,11cyclictest0-21swapper/310:11:083
2770999123,1cyclictest674-21dbus-daemon10:11:302
2770999123,1cyclictest33-21ksoftirqd/212:15:262
2770999123,1cyclictest33-21ksoftirqd/209:21:532
2770999122,1cyclictest33-21ksoftirqd/211:32:252
2770999121,3cyclictest649-21polkitd11:54:492
2770999121,1cyclictest33-21ksoftirqd/210:52:282
27709991210,1cyclictest10388-21find10:20:182
2770999120,1cyclictest12526-21sshd09:33:452
2770999120,11cyclictest0-21swapper/210:41:082
27708991210,1cyclictest0-21swapper/111:46:021
2770899120,11cyclictest0-21swapper/107:55:121
27704991212,0cyclictest9421-21kworker/0:311:39:240
27704991211,0cyclictest5109-21lspci12:11:550
27704991210,1cyclictest0-21swapper/011:56:550
2770499120,1cyclictest21852-21grep11:12:070
2770499120,11cyclictest3344-21lspci10:51:050
2770499120,11cyclictest31254-21sshd09:28:050
2770499120,0cyclictest0-21swapper/011:22:350
27710991110,0cyclictest0-21swapper/310:01:473
27710991110,0cyclictest0-21swapper/309:22:583
2771099110,1cyclictest28080-21lspci10:18:473
2771099110,10cyclictest0-21swapper/312:20:583
2771099110,10cyclictest0-21swapper/309:47:083
2770999117,1cyclictest33-21ksoftirqd/211:15:112
2770999115,1cyclictest33-21ksoftirqd/211:48:352
2770999114,1cyclictest33-21ksoftirqd/210:56:182
2770999113,3cyclictest33-21ksoftirqd/209:51:062
2770999113,1cyclictest33-21ksoftirqd/210:05:132
2770999113,1cyclictest33-21ksoftirqd/210:00:552
2770999112,3cyclictest33-21ksoftirqd/211:20:042
2770999112,2cyclictest710-21NetworkManager12:37:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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