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2026-05-08 - 16:09
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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 Fri May 08, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76452850,2sleep22875399cyclictest10:16:562
240102780,2sleep32875899cyclictest09:47:573
224002720,0sleep30-21swapper/310:12:403
233732630,0sleep30-21swapper/311:13:443
146892580,0sleep20-21swapper/212:06:062
61282570,0sleep20-21swapper/212:36:072
223832570,1sleep0101ktimersoftd/009:10:490
212622570,0sleep20-21swapper/211:35:502
92692550,1sleep29272-21bash12:28:012
13912540,0sleep30-21swapper/309:31:463
125312540,0sleep10-21swapper/109:35:531
304672530,1sleep330464-21lspci11:50:373
263962530,1sleep2321ktimersoftd/211:53:082
248192530,0sleep10-21swapper/110:29:321
133352530,0sleep00-21swapper/012:36:440
59132520,1sleep1674-21dbus-daemon10:50:031
200722520,0sleep30-21swapper/309:55:503
157912520,0sleep3391rcuc/307:55:123
305822510,0sleep30-21swapper/311:28:183
228702510,1sleep022872-21bash09:53:220
115772510,2sleep02874199cyclictest11:43:290
240632500,0sleep2311rcuc/209:53:292
170082500,0sleep00-21swapper/010:39:570
141102500,0sleep30-21swapper/312:34:033
101032500,0sleep00-21swapper/011:07:000
203452490,0sleep30-21swapper/309:18:293
182132490,0sleep118211-21lspci12:28:481
13552490,0sleep00-21swapper/012:32:560
90962480,2sleep32875899cyclictest09:43:563
31682480,0sleep20-21swapper/207:25:002
207662480,0sleep00-21swapper/011:55:230
99272470,2sleep12874899cyclictest12:33:411
237452470,1sleep10-21swapper/110:07:141
74542460,0sleep20-21swapper/210:14:112
327132460,0sleep10-21swapper/112:10:261
135152430,0sleep00-21swapper/011:26:470
299942410,2sleep22875399cyclictest10:02:142
192282380,0sleep20-21swapper/212:12:082
2835823429,3sleep20-21swapper/207:06:272
283172287,7sleep10-21swapper/107:05:581
2837922311,7sleep30-21swapper/307:06:443
2854122211,7sleep00-21swapper/007:08:450
96842200,1sleep19683-21bash09:49:311
64582200,0sleep0111rcuc/010:16:500
10582200,1sleep0649-21polkitd11:17:220
54022190,1sleep3622-13audispd10:44:293
271952190,0sleep127194-21sshd09:42:421
100662190,0sleep00-21swapper/012:16:540
233072180,1sleep00-21swapper/010:21:020
50612170,0sleep20-21swapper/210:22:162
46832170,0sleep00-21swapper/010:55:230
327652170,0sleep332762-21sshd09:27:463
2875399176,2cyclictest33-21ksoftirqd/209:55:172
174802170,0sleep00-21swapper/010:06:410
295712160,1sleep0622-13audispd10:49:180
28758991615,0cyclictest28486-21lspci11:36:293
28758991615,0cyclictest22597-21lspci10:18:153
28758991615,0cyclictest12476-21lspci11:23:573
278352160,0sleep00-21swapper/011:30:470
139772160,0sleep00-21swapper/012:00:240
64402150,0sleep20-21swapper/212:02:382
312172150,1sleep131214-21grepconf.sh12:04:491
28753991514,0cyclictest27463-21lspci09:23:142
28753991514,0cyclictest0-21swapper/209:35:572
261912150,1sleep326190-21sshd12:29:303
244702150,0sleep30-21swapper/309:39:433
2875899141,2cyclictest674-21dbus-daemon12:16:103
28753991413,0cyclictest30010-21lspci09:19:412
2874899140,12cyclictest19211-21tty10:45:331
252512140,0sleep30-21swapper/311:19:293
165612140,1sleep2311rcuc/211:57:532
152892140,0sleep20-21swapper/211:32:342
34642130,0sleep10-21swapper/111:42:461
28758991312,0cyclictest20183-21lspci12:20:313
2875899130,1cyclictest7613-21sshd12:08:203
2875399130,1cyclictest11735-21bash10:53:172
2874199130,12cyclictest1-21systemd11:49:310
207152130,0sleep00-21swapper/009:36:360
28758991210,1cyclictest41-21ksoftirqd/310:25:453
28758991210,1cyclictest19628-21crond12:15:003
2875899120,1cyclictest642-21systemd-logind11:34:173
2875399125,1cyclictest33-21ksoftirqd/209:41:172
2875399124,1cyclictest33-21ksoftirqd/212:24:242
2875399121,3cyclictest33-21ksoftirqd/211:24:002
28753991212,0cyclictest26689-21sensors08:20:172
2875399120,3cyclictest121rcu_preempt10:32:062
28748991210,1cyclictest1-21systemd11:34:131
2874899120,1cyclictest0-21swapper/111:45:241
2874199122,1cyclictest9-21ksoftirqd/010:01:170
2874199122,1cyclictest9-21ksoftirqd/009:43:000
28741991210,1cyclictest5774-21grepconf.sh10:41:410
2874199120,1cyclictest25670-21sshd12:12:410
2874199120,1cyclictest18192-21lspci11:02:070
2875899113,2cyclictest41-21ksoftirqd/311:40:013
2875899111,1cyclictest131rcu_sched11:47:253
2875899111,0cyclictest131rcu_sched11:08:353
2875899110,10cyclictest1400-21grepconf.sh12:35:403
2875899110,10cyclictest0-21swapper/310:05:303
2875899110,0cyclictest0-21swapper/310:34:103
2875399115,3cyclictest33-21ksoftirqd/210:26:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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