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2026-08-21 - 08:08
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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 Aug 21, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19071210325,41sleep10-21swapper/119:08:081
256362980,2sleep22512-21runrttasks23:15:562
318302940,2sleep231822-21sshd23:22:142
104742930,4sleep31948099cyclictest22:19:113
8382920,2sleep10-21swapper/122:58:561
240792910,1sleep024077-21sshd23:33:220
139812910,2sleep213980-21bash23:41:052
203482900,2sleep30-21swapper/322:40:143
193932890,1sleep20-21swapper/223:03:222
1899428922,38sleep30-21swapper/319:07:103
68982880,0sleep36894-21sshd23:40:263
49152880,4sleep31948099cyclictest21:58:473
35502850,2sleep20-21swapper/222:27:232
168802850,1sleep10-21swapper/121:54:121
322272840,2sleep12023-21nfsd00:08:421
40242830,1sleep019476-21cyclictest23:48:530
171502830,3sleep10-21swapper/122:16:511
228042820,2sleep122806-21id22:29:071
45262810,0sleep24519-21bash23:45:582
293752810,2sleep10-21swapper/122:00:481
231192800,2sleep123114-21bash23:36:031
188202800,1sleep30-21swapper/321:39:433
184482800,2sleep12024-21nfsd23:21:001
76542790,3sleep31948099cyclictest22:47:403
67422780,2sleep30-21swapper/321:44:203
45212780,5sleep01947799cyclictest23:57:340
16762780,2sleep21677-21sshd00:34:392
209102770,1sleep31948099cyclictest22:20:073
129442770,2sleep30-21swapper/300:18:293
113272770,2sleep111329-21bash21:44:451
245702760,0sleep00-21swapper/000:36:380
171112760,2sleep20-21swapper/222:57:292
78712750,4sleep21947999cyclictest00:23:452
280562750,2sleep10-21swapper/123:53:551
26992750,0sleep00-21swapper/022:56:110
140522750,2sleep30-21swapper/322:05:193
279332740,1sleep00-21swapper/022:15:030
185052740,0sleep018502-21sshd22:25:480
1902327232,9sleep20-21swapper/219:07:342
204552710,2sleep120446-21sshd22:05:491
72112700,2sleep20-21swapper/200:00:422
256042670,2sleep30-21swapper/323:36:173
98212630,0sleep00-21swapper/021:44:370
85922560,0sleep18593-21sshd23:43:331
1889125632,21sleep00-21swapper/019:06:030
295132420,39sleep2144650irq/27-eth022:06:402
100252380,1sleep010018-21sshd22:13:260
186622360,2sleep20-21swapper/221:27:442
252862281,25sleep328950irq/26-ahci[00021:22:373
243062260,2sleep12023-21nfsd23:59:241
1947799260,13cyclictest31337-21sshd21:55:230
116832260,1sleep00-21swapper/000:18:220
37572250,3sleep33756-21sshd23:14:013
303882250,4sleep21947999cyclictest21:23:022
303442250,3sleep11947899cyclictest19:31:511
105652250,2sleep210562-21sshd00:18:172
238362240,22sleep1144650irq/27-eth022:37:361
120132240,3sleep30-21swapper/323:05:313
316422230,3sleep331643-21sshd00:14:263
203962230,2sleep20-21swapper/221:34:042
1947999236,4cyclictest8235-21sshd23:08:212
1947999230,10cyclictest18694-21sshd22:54:492
1947799233,7cyclictest0-21swapper/022:32:090
1947799231,2cyclictest2132-21sshd00:27:450
33532220,0sleep00-21swapper/023:07:530
212672220,2sleep30-21swapper/323:59:063
1947799228,7cyclictest0-21swapper/022:07:210
1947799227,10cyclictest22839-21sshd22:49:040
1947799226,7cyclictest10719-21sshd21:21:170
1947799220,5cyclictest28268-21sshd21:11:350
1947799220,19cyclictest10-21rcuc/023:24:210
1947799220,14cyclictest27264-21sshd23:01:100
98042210,2sleep12512-21runrttasks21:10:031
1947799218,5cyclictest29943-21sshd21:37:500
1947799215,7cyclictest9371-21kworker/0:221:16:390
1947799211,18cyclictest0-21swapper/021:49:460
1947799211,14cyclictest0-21swapper/023:38:260
1947799211,14cyclictest0-21swapper/022:53:050
19477992110,3cyclictest3851-21bash22:41:360
1947799210,4cyclictest0-21swapper/022:35:500
1947799210,1cyclictest12820-21sshd23:29:290
1947799210,14cyclictest0-21swapper/020:00:150
1947799210,13cyclictest0-21swapper/000:05:190
80502200,1sleep30-21swapper/300:23:463
54502200,18sleep328950irq/26-ahci[00023:31:413
280592200,17sleep2144650irq/27-eth021:57:582
1947999204,9cyclictest144650irq/27-eth023:37:572
1947999204,3cyclictest0-21swapper/222:41:312
1947799208,5cyclictest10135-21sshd21:26:540
1947799208,3cyclictest31882-21sshd23:13:360
1947799207,5cyclictest8450-21sshd22:01:510
1947799207,5cyclictest6474-21rm00:32:100
1947799207,12cyclictest0-21swapper/021:00:160
1947799206,5cyclictest0-21swapper/000:20:400
1947799204,8cyclictest32172-21kworker/0:021:50:230
1947799203,1cyclictest31121-21bash23:16:250
1947799202,1cyclictest2132-21sshd23:43:080
19477992010,4cyclictest3-21ksoftirqd/000:04:000
1947799200,4cyclictest25561-21sshd23:50:440
1947799200,14cyclictest0-21swapper/000:12:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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