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2026-04-24 - 03:18
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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 Fri Apr 24, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151521490,0sleep01498-21sshd23:29:180
1233121300,1sleep10-21swapper/122:35:491
644121280,4sleep11974499cyclictest21:16:231
1159321240,2sleep20-21swapper/200:37:172
1012821240,2sleep210121-21sshd23:48:312
2163921220,4sleep21974599cyclictest23:13:212
899221180,1sleep30-21swapper/321:43:503
1151021140,2sleep111512-21bash21:55:181
19200210432,44sleep10-21swapper/119:06:351
1944529433,57sleep30-21swapper/319:09:293
204012910,1sleep12024-21nfsd23:35:131
204012910,1sleep12024-21nfsd23:35:121
291662890,1sleep029170-21fschecks_time23:10:150
13512860,1sleep02024-21nfsd22:59:410
123472850,2sleep30-21swapper/300:22:353
14572840,1sleep21447-21sshd21:39:402
32982830,2sleep30-21swapper/323:10:593
75942820,0sleep00-21swapper/021:40:140
26702820,4sleep31974699cyclictest22:24:373
279612810,1sleep30-21swapper/322:27:143
16762810,0sleep00-21swapper/022:17:010
26462800,3sleep01974399cyclictest00:07:020
314862790,0sleep00-21swapper/022:24:140
258592790,2sleep10-21swapper/120:34:591
164712770,0sleep316470-21sshd23:30:463
92642760,0sleep00-21swapper/000:29:420
151822760,2sleep215180-21sshd21:13:592
148442760,2sleep214840-21bash23:23:272
12452760,1sleep31098-21sshd23:25:403
116182760,0sleep00-21swapper/000:11:260
286812750,0sleep328673-21sshd22:41:243
249342750,2sleep224931-21tune2fs22:55:152
207792750,3sleep21974599cyclictest23:42:142
37362730,1sleep03734-21bash23:59:230
243832730,2sleep124382-21sshd23:28:161
1928427333,9sleep20-21swapper/219:07:282
122092660,4sleep21974599cyclictest21:17:002
1923825833,13sleep00-21swapper/019:07:020
156882390,3sleep10-21swapper/122:18:501
106182380,12sleep1144650irq/27-eth022:50:121
300812370,2sleep330076-21sshd21:35:453
37262290,2sleep10-21swapper/122:21:111
289512280,2sleep10-21swapper/122:41:261
251522270,2sleep20-21swapper/223:28:202
175692270,2sleep22023-21nfsd21:20:532
150402270,2sleep20-21swapper/200:08:232
294382260,3sleep20-21swapper/223:06:162
26532260,1sleep20-21swapper/220:55:002
206022260,2sleep20-21swapper/200:23:382
1974599253,9cyclictest14586-21sshd21:34:152
168242250,3sleep31974699cyclictest21:24:173
286372240,2sleep10-21swapper/100:09:541
169882240,2sleep216987-21sshd22:32:582
135502240,1sleep013546-21sshd22:14:360
37352230,0sleep33734-21bash22:59:563
1974599230,11cyclictest0-21swapper/222:54:372
311312220,19sleep3144650irq/27-eth021:29:123
311312220,19sleep3144650irq/27-eth021:29:123
1974399225,4cyclictest0-21swapper/021:16:240
1974399223,4cyclictest8009-21rm00:33:090
1974399220,21cyclictest0-21swapper/000:39:520
13822220,20sleep2144650irq/27-eth021:43:022
125332222,18sleep1144650irq/27-eth021:13:431
7862210,19sleep2144650irq/27-eth000:32:172
269582210,3sleep10-21swapper/121:38:551
1974599213,3cyclictest11342-21sshd22:35:432
19744992119,1cyclictest0-21swapper/123:48:361
19743992112,1cyclictest0-21swapper/023:18:500
1974399210,1cyclictest9867-21sshd23:45:000
1974599204,5cyclictest153250irq/28-eth1-rx-00:02:002
1974599202,9cyclictest0-21swapper/223:38:562
1974599202,9cyclictest0-21swapper/223:38:562
1974599202,17cyclictest153250irq/28-eth1-rx-19:14:592
1974599202,17cyclictest153250irq/28-eth1-rx-19:14:592
1974599201,9cyclictest0-21swapper/219:49:392
19743992012,1cyclictest0-21swapper/022:53:220
19743992011,1cyclictest9803-21latency22:25:180
1974599192,16cyclictest153250irq/28-eth1-rx-20:06:232
1974599192,13cyclictest153250irq/28-eth1-rx-22:41:472
1974599192,13cyclictest153250irq/28-eth1-rx-20:26:192
1974399190,9cyclictest32236-21idleruntime22:45:150
1974399190,11cyclictest5866-21sshd23:22:200
34132180,0sleep00-21swapper/023:03:170
1974599182,9cyclictest22079-21sshd22:26:352
1974599182,9cyclictest153250irq/28-eth1-rx-19:18:192
1974599182,1cyclictest0-21swapper/219:35:532
1974599182,13cyclictest153250irq/28-eth1-rx-20:41:072
1974599182,13cyclictest153250irq/28-eth1-rx-00:26:382
1974599182,11cyclictest19054-21sshd22:19:152
1974599181,16cyclictest153250irq/28-eth1-rx-19:56:272
1974399180,9cyclictest0-21swapper/020:15:150
1974399180,1cyclictest26330-21diskstats20:35:120
117812180,16sleep228950irq/26-ahci[00021:27:072
117812180,16sleep228950irq/26-ahci[00021:27:062
81922170,15sleep3144650irq/27-eth000:36:553
313052170,2sleep331303-21sshd00:06:373
30302170,2sleep13018-21sshd21:26:091
30302170,2sleep13018-21sshd21:26:081
1974599176,5cyclictest8264-21sshd23:55:412
1974599175,7cyclictest0-21swapper/223:18:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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