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2026-05-11 - 14:46
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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 Mon May 11, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
441521370,0sleep04401-21sshd10:39:290
286421260,0sleep02848-21sshd09:33:420
1354621260,4sleep11397199cyclictest10:14:141
1757521220,4sleep01396699cyclictest09:25:040
664121150,3sleep31398099cyclictest12:19:553
13507210733,44sleep10-21swapper/107:07:231
323202920,2sleep10-21swapper/109:33:231
229612850,2sleep30-21swapper/309:35:413
220332850,0sleep00-21swapper/009:39:070
128522850,0sleep00-21swapper/012:06:170
182462830,3sleep30-21swapper/310:37:003
1350928333,45sleep30-21swapper/307:07:253
115862830,1sleep30-21swapper/310:07:033
139032820,3sleep20-21swapper/210:28:572
89612800,1sleep20-21swapper/212:38:302
182642800,2sleep10-21swapper/112:21:011
71812790,3sleep20-21swapper/212:05:402
170352790,2sleep22024-21nfsd10:21:522
168252790,3sleep20-21swapper/209:49:382
101752780,4sleep11397199cyclictest10:32:011
81442770,2sleep20-21swapper/212:23:382
218512770,1sleep00-21swapper/011:38:440
179732760,2sleep30-21swapper/310:32:593
15132750,3sleep11397199cyclictest10:42:441
19992740,2sleep10-21swapper/111:25:431
296482730,0sleep00-21swapper/010:53:450
221832720,70sleep228950irq/26-ahci[00009:22:052
244872700,1sleep10-21swapper/109:42:441
24232700,3sleep11397199cyclictest09:05:171
160812680,2sleep20-21swapper/210:40:442
269302670,1sleep126927-21sshd11:09:051
151202670,2sleep215118-21sshd09:57:082
44582650,4sleep11397199cyclictest11:40:181
1170126533,12sleep20-21swapper/207:05:122
160932630,3sleep21397599cyclictest11:38:072
118362630,2sleep30-21swapper/309:31:083
321762620,2sleep30-21swapper/311:21:253
70712610,0sleep07072-21id12:27:140
148202610,3sleep21397599cyclictest09:41:412
264982580,2sleep30-21swapper/311:49:583
1169425833,4sleep00-21swapper/007:05:060
190672350,32sleep1144650irq/27-eth009:35:191
269092340,4sleep30-21swapper/310:45:213
128452310,29sleep3144650irq/27-eth009:56:543
310412300,3sleep30-21swapper/312:08:213
168932290,7sleep20-21swapper/210:07:382
143282290,2sleep214327-21sshd09:14:322
107602290,2sleep30-21swapper/311:51:383
203682280,26sleep3144650irq/27-eth012:25:133
1398099270,10cyclictest0-21swapper/311:56:563
116432260,2sleep32512-21runrttasks10:43:493
225132250,1sleep02024-21nfsd11:08:340
97862240,7sleep00-21swapper/011:14:370
97862240,7sleep00-21swapper/011:14:360
236952240,2sleep10-21swapper/111:31:321
1398099240,14cyclictest0-21swapper/308:15:143
1398099240,13cyclictest0-21swapper/310:23:263
218642230,0sleep00-21swapper/011:56:280
1398099231,0cyclictest0-21swapper/311:04:463
1398099231,0cyclictest0-21swapper/311:04:453
1398099230,2cyclictest0-21swapper/309:22:143
1397599235,9cyclictest22427-21sshd12:18:042
10942230,21sleep128950irq/26-ahci[00012:26:341
262012222,18sleep1144650irq/27-eth009:29:231
248252220,3sleep10-21swapper/112:18:211
1397199220,2cyclictest2023-1nfsd11:03:141
1397199220,2cyclictest2023-1nfsd11:03:141
113482220,20sleep3144650irq/27-eth009:10:403
45662210,2sleep20-21swapper/211:58:182
35642210,3sleep10-21swapper/110:39:221
1398099212,10cyclictest0-21swapper/309:51:403
1398099211,10cyclictest0-21swapper/307:50:513
13980992110,2cyclictest0-21swapper/310:53:073
245312200,3sleep20-21swapper/210:19:122
13980992012,6cyclictest22112-21sshd12:39:573
1397599204,3cyclictest2132-21sshd10:36:422
205222190,0sleep00-21swapper/010:18:470
111552190,1sleep30-21swapper/311:10:423
111552190,1sleep30-21swapper/311:10:423
77542181,15sleep1144650irq/27-eth010:20:441
70562180,1sleep20-21swapper/211:22:232
1398099186,7cyclictest0-21swapper/310:27:523
13980991814,3cyclictest19258-21sshd11:31:023
1398099180,11cyclictest16130-21sshd12:24:423
1397599184,6cyclictest2024-21nfsd10:47:212
1397599181,12cyclictest153250irq/28-eth1-rx-11:30:292
1397199180,16cyclictest0-21swapper/112:35:141
1397199180,13cyclictest0-21swapper/108:25:201
142292170,3sleep31954-40kipmi009:45:143
1398099171,11cyclictest617-21bash11:06:103
13980991710,4cyclictest1317-21sshd11:29:153
1398099170,14cyclictest4549-21bash09:40:333
13975991715,1cyclictest0-21swapper/208:55:052
1397599170,15cyclictest0-21swapper/211:05:162
1397199173,13cyclictest4236-21grep12:05:221
1397199172,11cyclictest22-21ksoftirqd/111:57:381
1397199170,13cyclictest0-21swapper/109:56:131
13966991710,2cyclictest0-21swapper/009:49:000
237282161,13sleep2144650irq/27-eth009:25:342
1398099162,10cyclictest0-21swapper/312:10:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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