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2026-04-21 - 22:38
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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 Tue Apr 21, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
769921230,4sleep21720699cyclictest09:47:192
431721220,0sleep00-21swapper/011:18:420
3098221200,1sleep10-21swapper/109:22:371
239022950,1sleep20-21swapper/211:20:402
239022950,1sleep20-21swapper/211:20:402
221792940,1sleep022170-21sshd09:48:530
313532920,6sleep30-21swapper/310:06:473
5832840,1sleep20-21swapper/211:40:202
265492830,4sleep10-21swapper/111:17:351
239122830,1sleep20-21swapper/211:50:182
187562820,1sleep20-21swapper/211:12:552
1668728133,44sleep10-21swapper/107:06:551
129442810,2sleep212942-21sshd12:30:172
216042800,1sleep021605-21latency11:05:190
179272800,1sleep30-21swapper/310:26:353
1684228032,44sleep30-21swapper/307:08:543
62002790,4sleep21720699cyclictest09:23:262
56222790,2sleep10-21swapper/111:40:511
60522780,2sleep26051-21bash09:57:202
147742770,3sleep30-21swapper/310:11:533
25082750,0sleep20-21swapper/210:21:062
196012750,1sleep00-21swapper/010:16:030
115012750,2sleep10-21swapper/110:53:341
182082730,2sleep00-21swapper/011:53:120
315022720,1sleep30-21swapper/310:41:493
220632720,4sleep11720599cyclictest09:42:011
202752720,0sleep041ktimersoftd/009:28:170
128052720,2sleep20-21swapper/209:30:482
143452710,1sleep10-21swapper/110:05:061
272392660,4sleep11720599cyclictest08:40:211
3922650,4sleep11720599cyclictest10:59:361
245802630,1sleep024578-21bash12:00:500
1683125834,20sleep20-21swapper/207:08:462
83372570,55sleep228950irq/26-ahci[00011:59:122
1693425732,13sleep00-21swapper/007:09:510
237672320,30sleep1144650irq/27-eth011:20:401
237672320,30sleep1144650irq/27-eth011:20:391
93082311,28sleep3144650irq/27-eth009:30:273
174532300,0sleep00-21swapper/011:34:570
102052300,2sleep30-21swapper/311:11:473
308502290,0sleep00-21swapper/011:47:310
301772270,4sleep20-21swapper/210:31:182
78322260,3sleep20-21swapper/211:37:382
71632260,0sleep07162-21bash10:42:430
60432260,3sleep30-21swapper/311:51:513
30072260,24sleep3144650irq/27-eth012:36:443
193722260,3sleep31720799cyclictest12:16:273
176352260,1sleep10-21swapper/110:43:521
129562250,2sleep312954-21sshd09:58:063
92492230,21sleep3144650irq/27-eth009:10:153
81952230,21sleep3144650irq/27-eth010:32:303
51612230,3sleep01720499cyclictest12:21:530
23722230,21sleep3144650irq/27-eth011:06:473
185242230,1sleep118519-21bash12:12:291
73062220,3sleep10-21swapper/109:33:431
313032220,20sleep1144650irq/27-eth010:45:181
17204992219,2cyclictest21716-21sshd11:57:020
63372210,2sleep36335-21sshd09:23:273
301612210,3sleep01720499cyclictest12:28:420
190202210,1sleep219017-21sshd10:44:022
17602210,19sleep1144650irq/27-eth011:03:161
17205992118,2cyclictest17604-21bash12:38:211
1720499214,1cyclictest0-21swapper/010:30:250
1720499213,10cyclictest8507-21sshd09:20:160
1720499210,16cyclictest10994-21sshd09:44:190
253842200,18sleep1144650irq/27-eth011:46:491
241452200,4sleep10-21swapper/112:00:471
17207992012,7cyclictest144650irq/27-eth009:29:043
1720599200,15cyclictest0-21swapper/111:38:551
1720499201,14cyclictest41ktimersoftd/010:06:410
1720499200,15cyclictest41ktimersoftd/009:55:010
277682190,0sleep00-21swapper/009:32:270
1720499192,4cyclictest17233-21sshd10:26:310
1720499190,15cyclictest41ktimersoftd/010:58:050
1720499190,12cyclictest29249-21bash11:28:490
304122181,16sleep1144650irq/27-eth011:54:341
273062180,2sleep10-21swapper/110:13:141
201502180,16sleep3144650irq/27-eth007:15:163
188772180,3sleep21720699cyclictest11:27:422
1720699180,16cyclictest12075-21bash10:57:182
1720599189,8cyclictest0-21swapper/107:26:541
1720499187,5cyclictest0-21swapper/009:36:290
102122180,1sleep010211-21bash11:37:570
311142170,15sleep1144650irq/27-eth009:36:091
18342170,2sleep31830-21bash10:24:543
1720699174,12cyclictest153250irq/28-eth1-rx-10:02:142
17206991712,4cyclictest14898-21sshd10:15:312
1720599174,12cyclictest144650irq/27-eth012:08:351
1720599172,3cyclictest0-21swapper/109:59:591
17205991714,2cyclictest18963-21sshd09:51:531
1720599170,11cyclictest23117-21sshd09:25:121
1720499171,7cyclictest0-21swapper/008:40:160
1720499170,5cyclictest0-21swapper/011:20:340
1720499170,5cyclictest0-21swapper/011:20:340
63682160,14sleep3144650irq/27-eth010:53:013
1720799160,7cyclictest24532-21sshd09:15:143
1720799160,4cyclictest8243-21bash11:41:103
1720799160,14cyclictest0-21swapper/311:35:223
1720699165,1cyclictest9397-21sshd12:07:092
1720699163,6cyclictest31588-21bash12:17:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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