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2026-07-24 - 06:31
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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 Jul 24, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1844421470,1sleep018446-21sshd21:38:300
3204821280,4sleep33091699cyclictest21:25:073
1516821210,1sleep215166-21bash21:23:382
42621180,0sleep03091399cyclictest22:26:160
3043429732,44sleep30-21swapper/319:07:143
3056529632,43sleep10-21swapper/119:08:521
39362950,2sleep22512-21runrttasks23:35:002
30852930,4sleep20-21swapper/222:08:342
44092900,1sleep00-21swapper/000:25:110
188162900,2sleep20-21swapper/221:58:332
118932900,1sleep10-21swapper/122:24:241
77062880,3sleep22023-21nfsd22:47:272
24422880,0sleep041ktimersoftd/022:44:040
283792870,2sleep10-21swapper/123:04:241
169672850,2sleep22024-21nfsd00:35:192
280282840,2sleep20-21swapper/222:34:402
74462830,3sleep07448-21bash21:31:380
306592830,2sleep10-21swapper/122:43:401
303022830,2sleep20-21swapper/223:04:382
3053628230,12sleep20-21swapper/219:08:292
237212820,2sleep10-21swapper/100:38:591
225822810,1sleep20-21swapper/221:15:452
165392810,3sleep20-21swapper/222:15:402
306112800,2sleep30-21swapper/322:40:473
297232800,2sleep30-21swapper/322:16:573
280052800,2sleep128003-21sshd23:16:301
235342800,3sleep20-21swapper/223:10:062
326982790,1sleep10-21swapper/122:11:101
127212790,2sleep10-21swapper/100:02:241
114342790,4sleep13091499cyclictest22:53:511
204382780,1sleep30-21swapper/323:48:233
273002770,2sleep327295-21cp22:02:103
231572770,2sleep12024-21nfsd23:30:331
50762760,1sleep15074-21sshd22:56:061
188502760,4sleep23091599cyclictest22:36:402
193552750,2sleep30-21swapper/323:03:263
162992750,1sleep116298-21sshd22:09:461
229032740,2sleep322900-21sshd21:41:383
207972730,2sleep120796-21sshd00:06:081
207972730,2sleep120796-21sshd00:06:071
118002710,1sleep03091399cyclictest23:29:410
22642670,2sleep10-21swapper/100:16:091
115202660,2sleep03091399cyclictest22:21:150
214142650,3sleep23091599cyclictest21:26:582
72902630,2sleep10-21swapper/122:03:161
3061825732,4sleep00-21swapper/019:09:310
193202540,1sleep019315-21bash00:23:350
10532450,0sleep01052-21sshd21:42:360
230042420,0sleep323003-21bash21:56:013
195232400,0sleep119522-21bash23:57:071
47192350,4sleep30-21swapper/323:26:033
25832310,2sleep30-21swapper/322:23:303
314512290,1sleep03091399cyclictest23:16:500
86672280,4sleep33091699cyclictest00:37:363
52362280,2sleep22023-21nfsd00:10:332
251422280,1sleep03091399cyclictest21:15:590
163042280,1sleep00-21swapper/023:21:180
3091699270,25cyclictest17295-21bash22:48:203
302752270,2sleep30-21swapper/321:13:413
287832270,2sleep236-21rcuop/200:24:292
265202260,2sleep126516-21bash00:27:041
179002260,2sleep10-21swapper/121:12:351
156352250,0sleep00-21swapper/023:59:490
326592240,1sleep032657-21bash23:07:520
240592240,2sleep124050-21sshd21:18:471
235032240,0sleep023502-21seq00:32:520
215312240,2sleep20-21swapper/222:51:432
168322230,2sleep10-21swapper/122:48:171
125652230,2sleep112562-21bash22:39:121
90692220,2sleep20-21swapper/221:31:482
56122220,3sleep33091699cyclictest00:16:283
3091699220,3cyclictest2360-21sshd22:14:283
293642220,2sleep10-21swapper/123:40:201
235372221,19sleep3144650irq/27-eth021:38:583
3091599202,16cyclictest33-21ksoftirqd/200:17:312
305222200,18sleep228950irq/26-ahci[00023:25:262
255882200,0sleep00-21swapper/000:09:320
255882200,0sleep00-21swapper/000:09:310
3091599198,1cyclictest33-21ksoftirqd/223:42:102
3091599196,12cyclictest33-21ksoftirqd/200:25:242
3091599196,11cyclictest13671-21sshd00:08:262
3091599196,11cyclictest13671-21sshd00:08:262
3091599193,15cyclictest33-21ksoftirqd/221:37:592
30915991911,7cyclictest33-21ksoftirqd/222:59:362
3091499190,10cyclictest10628-21sshd22:18:121
115252190,17sleep3144650irq/27-eth000:31:483
30916991810,7cyclictest31700-21bash00:27:333
30916991810,3cyclictest2369-21latency_hist00:25:013
3091699180,6cyclictest5863-21id23:08:253
3091699180,16cyclictest0-21swapper/321:45:323
3091699180,13cyclictest0-21swapper/323:55:363
3091599183,14cyclictest33-21ksoftirqd/223:59:002
3091599183,14cyclictest33-21ksoftirqd/222:02:482
3091599183,14cyclictest33-21ksoftirqd/221:50:202
3091499181,15cyclictest14249-21sshd00:20:101
30914991811,2cyclictest0-21swapper/123:06:181
3091499180,6cyclictest28681-21sshd21:24:501
3091499180,5cyclictest24753-21bash21:41:491
3091499180,13cyclictest17979-21sshd21:52:491
292272180,16sleep1144650irq/27-eth021:27:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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