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2026-07-04 - 22:30
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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 rack5slot0.osadl.org (updated Sat Jul 04, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251521340,3sleep0876799cyclictest11:20:440
1989421330,3sleep0876799cyclictest09:33:320
2682721200,0sleep00-21swapper/009:59:120
8288210832,47sleep30-21swapper/307:07:113
8291210132,40sleep10-21swapper/107:07:131
60572970,1sleep00-21swapper/011:39:020
289282920,2sleep10-21swapper/111:16:121
201472910,1sleep00-21swapper/011:29:580
140922900,1sleep10-21swapper/109:50:361
34852890,1sleep30-21swapper/309:38:403
325232880,0sleep30-21swapper/311:38:183
30282880,1sleep03031-21awk10:15:190
108152870,1sleep02512-21runrttasks12:16:250
312052840,1sleep031197-21sshd12:22:420
88762830,2sleep12024-21nfsd09:11:051
308562830,1sleep10-21swapper/109:49:041
263182810,1sleep20-21swapper/209:45:042
27372800,2sleep00-21swapper/010:48:180
19162790,2sleep30-21swapper/310:15:153
59362780,2sleep10-21swapper/111:10:111
225472780,3sleep2877799cyclictest11:26:262
139362780,2sleep013928-21sshd11:14:340
115112770,4sleep2877799cyclictest10:49:152
107062770,4sleep1877199cyclictest09:22:111
223482750,72sleep228950irq/26-ahci[00010:39:142
159102750,2sleep30-21swapper/311:04:003
159102750,2sleep30-21swapper/311:03:593
85622740,0sleep08560-21sshd10:12:120
63972740,2sleep30-21swapper/310:37:143
220672740,2sleep30-21swapper/309:26:503
117352720,1sleep10-21swapper/110:30:471
72532710,3sleep2877799cyclictest09:14:542
191192710,4sleep3878199cyclictest09:47:453
842526330,12sleep20-21swapper/207:08:552
825524033,4sleep00-21swapper/007:06:440
308952380,2sleep10-21swapper/109:41:381
301832370,0sleep00-21swapper/010:22:240
14332370,2sleep30-21swapper/310:55:183
159062360,34sleep1144650irq/27-eth011:43:501
286102330,3sleep22023-21nfsd10:22:142
302412290,27sleep1144650irq/27-eth010:36:181
296422290,3sleep20-21swapper/209:31:012
155212290,2sleep12512-21runrttasks10:56:481
153772291,26sleep2144650irq/27-eth011:00:192
153772291,26sleep2144650irq/27-eth011:00:192
322902280,0sleep02024-21nfsd12:30:120
213472280,2sleep121346-21sshd10:21:251
71642260,2sleep17161-21sshd12:12:051
172272260,7sleep20-21swapper/210:31:242
71692250,2sleep30-21swapper/309:57:033
262272240,4sleep1877199cyclictest09:55:331
225982240,4sleep20-21swapper/211:55:432
11342240,22sleep2144650irq/27-eth011:24:152
34062230,6sleep10-21swapper/110:26:261
23552230,21sleep2144650irq/27-eth010:26:212
205802231,20sleep3144650irq/27-eth010:13:393
199952230,1sleep10-21swapper/111:47:461
117622230,2sleep321213-21nscd10:45:403
300792220,20sleep128950irq/26-ahci[00011:38:001
209382220,1sleep30-21swapper/309:40:243
78172210,19sleep2144650irq/27-eth011:06:442
241752210,3sleep20-21swapper/211:51:592
13922210,1sleep20-21swapper/212:33:552
70162200,2sleep36990-21sshd12:27:063
3462200,2sleep3339-21sshd12:22:543
292762202,16sleep3144650irq/27-eth012:07:283
290582200,17sleep3144650irq/27-eth011:34:263
89752190,1sleep38970-21sshd10:52:253
878199190,14cyclictest25547-21sshd11:59:443
8771991913,5cyclictest2024-21nfsd11:06:031
876799190,1cyclictest0-21swapper/011:16:400
876799190,17cyclictest22407-21sshd11:51:470
58522190,17sleep3144650irq/27-eth011:49:563
148172190,1sleep014811-21cp09:36:200
138862190,0sleep00-21swapper/009:25:540
8781991810,3cyclictest0-21swapper/309:22:383
877799182,10cyclictest0-21swapper/210:06:552
8777991813,4cyclictest800-21sshd11:42:072
877199180,13cyclictest11196-21sshd12:20:251
183512180,0sleep218347-21sshd10:42:382
135182180,2sleep30-21swapper/310:05:003
91292170,15sleep1144650irq/27-eth009:32:211
878199176,4cyclictest28388-21sshd12:36:593
8781991713,3cyclictest20953-21bash11:19:143
878199170,15cyclictest0-21swapper/310:40:173
877799178,4cyclictest16417-21sshd12:21:012
877799172,13cyclictest22725-21bash10:17:512
8777991711,2cyclictest28542-21sshd11:34:212
8777991710,5cyclictest0-21swapper/212:17:292
877799170,4cyclictest15616-21bash12:02:032
877199172,2cyclictest24571-21bash10:43:261
8771991711,5cyclictest144650irq/27-eth011:29:171
877199170,4cyclictest28410-21sshd10:54:431
877199170,16cyclictest0-21swapper/112:18:421
876799170,16cyclictest10-21rcuc/012:03:210
252132170,15sleep3144650irq/27-eth011:12:133
878199162,1cyclictest32252-21sshd09:10:103
8781991614,1cyclictest0-21swapper/312:31:543
878199160,14cyclictest0-21swapper/311:20:143
878199160,14cyclictest0-21swapper/310:26:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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