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2026-05-23 - 13:52
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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 Sat May 23, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
752121260,0sleep20-21swapper/211:14:312
1516121060,0sleep315160-21sshd10:16:523
32332810,0sleep30-21swapper/309:48:203
67262750,1sleep06725-21grepconf.sh12:09:570
124412670,2sleep20-21swapper/210:36:022
257212640,0sleep20-21swapper/212:14:192
408325947,7sleep30-21swapper/307:05:313
92412580,1sleep175850irq/25-eno1-tx-10:10:491
32052570,0sleep30-21swapper/311:27:583
242252560,1sleep224209-21bash10:53:442
256802530,0sleep30-21swapper/312:22:373
222112530,0sleep20-21swapper/210:14:472
295532520,0sleep30-21swapper/311:44:083
51152510,0sleep10-21swapper/111:58:401
4772510,0sleep1231rcuc/112:31:331
263902510,0sleep3401ktimersoftd/310:45:323
154902510,0sleep20-21swapper/211:04:062
85452500,0sleep30-21swapper/309:59:503
65292500,2sleep1455899cyclictest10:30:041
295632500,0sleep00-21swapper/011:27:270
250682500,0sleep00-21swapper/010:12:120
247592500,0sleep2311rcuc/211:43:432
109582500,0sleep10-21swapper/110:58:081
101932500,1sleep0101ktimersoftd/011:45:130
194512490,0sleep20-21swapper/210:03:292
22662480,0sleep00-21swapper/009:34:310
143062480,0sleep014305-21bash11:31:400
143062480,0sleep014305-21bash11:31:400
135902480,0sleep20-21swapper/212:29:572
111852480,0sleep20-21swapper/209:51:442
88852470,0sleep10-21swapper/110:38:331
168772470,0sleep00-21swapper/007:35:340
135602360,0sleep113561-21grep12:24:241
409523328,3sleep00-21swapper/007:05:400
43502286,7sleep20-21swapper/207:08:552
44202256,6sleep10-21swapper/107:09:461
67962230,0sleep00-21swapper/010:49:290
4563992120,0cyclictest321ktimersoftd/209:34:192
4558991817,0cyclictest30923-21lspci11:44:161
4558991817,0cyclictest16085-21lspci12:13:291
274342180,0sleep10-21swapper/111:32:491
274342180,0sleep10-21swapper/111:32:491
145012180,0sleep314503-21sshd12:38:243
6062170,1sleep0604-21sshd09:53:380
4558991714,2cyclictest12022-21lspci10:05:321
455299170,12cyclictest20053-21sshd12:27:420
141392170,0sleep30-21swapper/311:03:593
4563991615,0cyclictest17404-21lspci11:51:222
455899166,1cyclictest25-21ksoftirqd/109:34:531
4558991614,1cyclictest29052-21kworker/1:110:52:091
326802160,1sleep0111rcuc/009:39:520
301292160,1sleep030124-21lspci10:34:520
274412160,1sleep1622-13audispd12:03:211
72542150,0sleep00-21swapper/011:53:180
4563991514,0cyclictest752-21lspci12:17:432
4563991514,0cyclictest5018-21lspci10:49:202
146092150,1sleep09-21ksoftirqd/011:20:340
49482140,1sleep04930-21sshd11:00:190
457299140,13cyclictest949-21sshd10:37:523
4563991413,0cyclictest321ktimersoftd/210:56:382
4563991413,0cyclictest19828-21lspci09:55:142
4558991413,0cyclictest4700-21kworker/1:210:40:211
4558991413,0cyclictest21586-21kworker/1:209:18:531
4558991412,1cyclictest29979-21gdbus12:26:361
4558991412,1cyclictest29771-21kworker/1:311:25:151
455299142,4cyclictest674-21dbus-daemon12:40:000
255512140,1sleep125546-21bash11:15:581
243552140,0sleep00-21swapper/012:22:300
223062140,0sleep10-21swapper/112:05:371
175832140,0sleep10-21swapper/112:35:491
166822140,0sleep20-21swapper/209:13:072
140642140,1sleep30-21swapper/311:23:203
109932140,0sleep10-21swapper/109:51:431
70322130,0sleep20-21swapper/211:17:122
457299139,3cyclictest27811-21sshd12:25:323
4572991311,1cyclictest19800-21lspci12:33:173
457299130,1cyclictest28533-21df11:05:123
456399132,1cyclictest33-21ksoftirqd/210:34:152
4563991312,0cyclictest3195-21lspci11:58:302
4563991312,0cyclictest19478-21lspci10:06:112
4563991311,1cyclictest0-21swapper/211:24:262
4558991312,0cyclictest28412-21kworker/1:211:45:531
4558991312,0cyclictest26343-21kworker/1:309:27:131
4558991312,0cyclictest25070-21kworker/1:209:44:431
4558991311,1cyclictest21586-21kworker/1:209:13:311
4558991311,1cyclictest14150-21kworker/1:109:36:131
4552991310,2cyclictest0-21swapper/010:40:520
455299130,0cyclictest0-21swapper/011:19:120
251752130,0sleep10-21swapper/109:58:281
240042130,0sleep024007-21bash09:29:470
4572991210,1cyclictest9447-21bash09:31:523
457299120,11cyclictest9729-21sshd11:45:123
457299120,11cyclictest0-21swapper/312:03:223
456399124,1cyclictest33-21ksoftirqd/209:39:552
4563991212,0cyclictest321ktimersoftd/207:11:072
4563991211,0cyclictest8868-21lspci11:09:042
4563991211,0cyclictest16900-21lspci12:38:362
4563991210,1cyclictest31482-21sshd10:26:362
456399120,11cyclictest20895-21sshd11:48:562
455899122,1cyclictest25-21ksoftirqd/110:29:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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