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2026-08-13 - 11:02
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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 Thu Aug 13, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2359121290,3sleep123584-21sshd00:33:241
678821270,0sleep16790-21bash21:28:001
1095821180,2sleep10-21swapper/100:17:441
644721170,3sleep01642699cyclictest21:43:140
1950121150,1sleep30-21swapper/323:25:533
16007210931,73sleep10-21swapper/119:08:101
317122940,3sleep30-21swapper/323:03:573
15712940,2sleep10-21swapper/122:43:471
62282890,1sleep10-21swapper/122:55:411
222252890,1sleep20-21swapper/221:17:322
286802880,3sleep10-21swapper/123:41:391
286802880,3sleep10-21swapper/123:41:391
185672870,0sleep00-21swapper/022:12:520
118092870,3sleep20-21swapper/221:31:382
1589128632,40sleep30-21swapper/319:06:443
47502850,1sleep04749-21id23:01:170
219242850,1sleep00-21swapper/000:13:000
207512850,2sleep220750-21sshd23:40:562
207512850,2sleep220750-21sshd23:40:552
199202850,1sleep01642699cyclictest00:15:360
147292850,3sleep10-21swapper/122:47:571
269922840,2sleep20-21swapper/222:31:092
264152840,2sleep00-21swapper/022:05:030
70672830,1sleep07060-21bash21:22:060
62912830,0sleep30-21swapper/300:20:153
241422830,2sleep30-21swapper/322:57:193
63762820,1sleep36350-21sshd21:40:213
90652810,2sleep19063-21sshd23:16:131
243312810,0sleep32023-21nfsd00:07:203
117332800,2sleep10-21swapper/123:25:161
301902790,3sleep20-21swapper/221:45:172
218382790,2sleep20-21swapper/223:58:272
139842790,2sleep32132-21sshd21:28:473
99212780,1sleep30-21swapper/300:14:513
162232780,2sleep216219-21bash23:28:402
127162780,3sleep31642999cyclictest23:34:193
189062770,2sleep30-21swapper/323:46:303
176412770,2sleep317636-21sshd21:17:033
159502770,2sleep215945-21sshd22:01:122
279392760,4sleep11642799cyclictest22:25:231
247942760,2sleep12024-21nfsd00:21:541
171942760,2sleep317193-21sshd00:18:203
154142760,2sleep10-21swapper/122:24:231
235182750,2sleep30-21swapper/323:17:323
1593927532,12sleep20-21swapper/219:07:192
227322710,2sleep20-21swapper/221:20:352
16982700,4sleep01642699cyclictest21:12:240
1616025732,4sleep00-21swapper/019:09:540
115702570,54sleep328950irq/26-ahci[00021:37:523
207342543,48sleep2144650irq/27-eth022:36:442
244452320,1sleep024442-21sshd23:17:370
193732300,1sleep041ktimersoftd/022:51:080
132822290,2sleep313281-21sshd21:49:313
90282280,3sleep20-21swapper/200:17:342
225412280,3sleep12024-21nfsd00:07:111
245342270,4sleep01642699cyclictest00:07:220
22322270,0sleep041ktimersoftd/023:59:440
203412270,0sleep00-21swapper/023:14:290
116602270,2sleep32024-21nfsd22:18:123
300632260,3sleep31642999cyclictest23:56:113
28222250,4sleep20-21swapper/223:10:052
238282250,23sleep1144650irq/27-eth000:10:171
290642240,3sleep00-21swapper/022:40:170
269012240,22sleep128950irq/26-ahci[00021:53:301
269012240,22sleep128950irq/26-ahci[00021:53:301
235292240,3sleep20-21swapper/221:11:262
199612240,2sleep30-21swapper/323:11:313
179382240,2sleep217926-21sshd23:46:242
172132240,1sleep041ktimersoftd/021:58:250
1642799241,17cyclictest28539-21sshd23:35:361
125662240,2sleep20-21swapper/223:02:042
16428992312,0cyclictest0-21swapper/222:22:222
1642799230,9cyclictest28563-21sshd21:42:191
115432230,0sleep20-21swapper/221:57:502
246632220,1sleep00-21swapper/022:28:030
1642799221,15cyclictest28673-21sshd21:18:101
1642799220,6cyclictest144650irq/27-eth000:03:061
159782220,20sleep3144650irq/27-eth022:06:553
301252212,17sleep2144650irq/27-eth000:22:242
216402210,1sleep00-21swapper/023:38:010
194402210,0sleep00-21swapper/022:04:260
1642799217,6cyclictest10206-21sshd23:57:201
1642799214,8cyclictest14345-21sshd22:36:071
1642799212,6cyclictest31764-21sshd23:21:161
1642799210,6cyclictest28950irq/26-ahci[00021:55:011
132942210,3sleep113297-21bash22:12:211
63692200,18sleep1144650irq/27-eth000:37:491
252782200,2sleep125275-21sshd22:02:031
1642799200,7cyclictest31806-21cp23:33:071
1642799200,7cyclictest144650irq/27-eth023:50:041
1642799200,18cyclictest28564-21sshd22:05:131
1642799200,18cyclictest27891-21sshd23:09:271
1642799200,18cyclictest13521-21sshd22:50:351
1642799200,16cyclictest5003-21sshd00:25:511
1642799200,15cyclictest28820-21sshd23:47:231
1642799200,15cyclictest25313-21sshd21:33:011
1642799200,13cyclictest2555-21bash21:24:351
1642799200,13cyclictest15291-21sshd21:38:151
1642699200,15cyclictest28407-21sshd23:32:490
107682200,1sleep010759-21sshd21:34:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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