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2026-08-24 - 21:57
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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 Aug 24, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1513821260,3sleep10-21swapper/109:41:211
2050021250,0sleep020499-21id12:24:440
2883421230,4sleep22916899cyclictest10:23:022
2767621200,4sleep12916799cyclictest12:13:541
506021060,1sleep05040-21sshd12:29:090
28741210133,47sleep30-21swapper/307:08:073
2872929632,43sleep10-21swapper/107:07:571
186422920,2sleep218626-21sshd12:27:262
146592910,6sleep02916699cyclictest10:27:450
149852900,1sleep114986-21sshd09:23:501
120362900,0sleep012034-21bash11:11:250
81332890,3sleep20-21swapper/209:55:092
8102890,4sleep22916899cyclictest09:54:292
14282890,3sleep30-21swapper/310:03:233
3712870,0sleep00-21swapper/009:28:260
35242870,4sleep32916999cyclictest09:17:023
141182860,2sleep214112-21sshd10:13:202
136972860,1sleep30-21swapper/312:06:443
315622850,2sleep20-21swapper/210:29:282
208932820,2sleep220890-21sshd12:10:152
83642810,3sleep30-21swapper/311:14:013
170842810,2sleep217081-21bash11:52:312
45472800,2sleep10-21swapper/112:08:501
249302800,0sleep00-21swapper/012:16:260
249302800,0sleep00-21swapper/012:16:250
68222790,3sleep32916999cyclictest11:19:343
144372790,1sleep214436-21bash11:58:012
97302780,0sleep12024-21nfsd11:37:241
245102770,4sleep32916999cyclictest10:34:293
86822760,0sleep00-21swapper/010:38:560
68742760,2sleep30-21swapper/311:25:243
63022760,1sleep06298-21sshd11:19:310
295692760,2sleep30-21swapper/309:42:393
12682760,1sleep30-21swapper/310:09:123
302212750,4sleep32916999cyclictest11:07:203
152382750,3sleep32916999cyclictest11:03:043
291822740,2sleep30-21swapper/312:28:243
24892740,1sleep10-21swapper/111:16:161
18482730,1sleep02024-21nfsd09:54:350
145112730,0sleep00-21swapper/012:03:560
309792720,0sleep00-21swapper/009:37:070
252912680,4sleep12916799cyclictest11:03:581
2860626431,12sleep20-21swapper/207:06:212
169142640,2sleep10-21swapper/110:10:311
281732630,4sleep22916899cyclictest10:17:212
2858025532,11sleep00-21swapper/007:06:030
192402480,0sleep319241-21sshd10:48:453
177052440,3sleep30-21swapper/312:13:013
60722400,37sleep3144650irq/27-eth009:20:083
267682320,29sleep1144650irq/27-eth011:47:311
220612310,28sleep1144650irq/27-eth010:08:071
276702300,2sleep30-21swapper/311:36:063
222132290,1sleep02022-21nfsd11:55:460
100932290,2sleep30-21swapper/310:24:243
66372280,26sleep3144650irq/27-eth012:35:023
212802272,22sleep2144650irq/27-eth011:12:172
154762270,25sleep2144650irq/27-eth012:18:342
154762270,25sleep2144650irq/27-eth012:18:342
230822260,1sleep023076-21sshd09:56:270
2916899250,10cyclictest0-21swapper/211:23:362
18382250,0sleep00-21swapper/010:12:100
107392250,3sleep12916799cyclictest11:11:181
7702240,1sleep2772-21awk10:00:262
51792240,2sleep35178-21sshd09:14:263
253272241,21sleep2144650irq/27-eth011:27:042
21532240,2sleep20-21swapper/211:30:402
76602230,2sleep22512-21runrttasks07:31:492
2916999230,22cyclictest144650irq/27-eth010:43:183
273202230,1sleep041ktimersoftd/012:31:010
249752230,1sleep00-21swapper/009:18:550
145332230,3sleep22916899cyclictest09:23:472
221872220,0sleep00-21swapper/010:40:110
144142220,1sleep00-21swapper/011:08:500
268612210,2sleep30-21swapper/311:53:253
251692210,19sleep2144650irq/27-eth011:41:392
239512210,2sleep32512-21runrttasks12:16:213
239512210,2sleep32512-21runrttasks12:16:213
228872210,1sleep30-21swapper/310:11:053
185882210,19sleep2144650irq/27-eth011:00:262
7092200,1sleep10-21swapper/110:32:241
306092200,1sleep00-21swapper/010:58:390
2916999200,18cyclictest0-21swapper/310:58:593
2916899203,10cyclictest32018-21bash09:42:532
2916699208,11cyclictest0-21swapper/011:47:180
275102200,0sleep041ktimersoftd/012:13:540
247162200,0sleep00-21swapper/010:22:400
48552190,17sleep1144650irq/27-eth010:56:091
297412190,2sleep30-21swapper/310:52:383
2916899193,9cyclictest2132-21sshd10:35:582
2916799194,2cyclictest26041-21sshd12:22:191
2916699192,12cyclictest0-21swapper/008:44:400
2916699190,5cyclictest21024-21bash11:26:400
2916699190,5cyclictest11984-21sshd11:55:000
2916699190,14cyclictest0-21swapper/010:15:120
145982190,17sleep2144650irq/27-eth010:33:372
2916899188,5cyclictest21234-21sshd09:33:202
2916799189,5cyclictest21206-21nscd10:22:261
2916799182,14cyclictest0-21swapper/110:45:021
2916799181,2cyclictest0-21swapper/112:39:551
2916799181,16cyclictest0-21swapper/110:37:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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