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2026-03-16 - 00:40
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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 Sun Mar 15, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2370821220,3sleep223706-21sshd11:14:442
463721070,2sleep10-21swapper/109:24:511
489321000,4sleep31177399cyclictest09:34:313
54072980,1sleep22023-21nfsd11:41:162
1113529732,56sleep30-21swapper/307:05:243
1149629626,41sleep10-21swapper/107:09:391
152642900,2sleep30-21swapper/310:53:493
95812870,2sleep20-21swapper/210:38:172
134282850,2sleep20-21swapper/210:43:462
104172840,0sleep010413-21bash12:21:340
288732830,2sleep20-21swapper/209:57:222
153772810,2sleep30-21swapper/310:24:353
307012800,1sleep30-21swapper/311:10:403
174602800,0sleep00-21swapper/010:49:170
235762780,3sleep31177399cyclictest09:37:113
185492780,2sleep30-21swapper/311:04:073
52842770,2sleep20-21swapper/211:36:202
30342750,1sleep20-21swapper/209:39:032
75562730,0sleep00-21swapper/012:01:180
295142730,0sleep00-21swapper/010:07:090
213702720,3sleep11176499cyclictest11:48:451
196352720,2sleep119618-21sshd10:15:201
81982690,1sleep10-21swapper/110:38:041
57102690,2sleep30-21swapper/310:27:573
122042590,3sleep11176499cyclictest12:36:421
1135525136,11sleep20-21swapper/207:08:032
1136825036,11sleep00-21swapper/007:08:140
85232370,0sleep00-21swapper/011:02:320
242352340,8sleep30-21swapper/310:01:283
208932340,0sleep00-21swapper/009:12:480
99782330,31sleep1144650irq/27-eth011:56:471
177712320,2sleep20-21swapper/209:45:552
112152320,2sleep147-21rcuop/311:27:301
308422310,29sleep3144650irq/27-eth009:52:523
233442290,2sleep123339-21sshd09:37:101
258502280,0sleep00-21swapper/012:28:590
258502280,0sleep00-21swapper/012:28:590
4302270,3sleep20-21swapper/209:33:502
279372260,2sleep10-21swapper/109:13:541
268982260,2sleep20-21swapper/211:25:022
1176999260,9cyclictest144650irq/27-eth009:50:302
116892240,0sleep00-21swapper/009:59:450
86302230,2sleep10-21swapper/109:30:121
79892230,2sleep22023-21nfsd10:47:472
139872230,2sleep113989-21cpuspeed_turbos09:55:121
1176999230,13cyclictest16392-21sshd10:10:102
1176999230,12cyclictest14522-21sshd09:40:342
264012220,2sleep20-21swapper/212:38:592
15942221,19sleep3144650irq/27-eth011:45:353
1176999224,8cyclictest27393-21sshd10:21:232
1176999221,19cyclictest30379-21sshd09:14:162
1176999221,10cyclictest144650irq/27-eth011:05:462
1176999220,20cyclictest4828-21sshd12:05:472
1176999220,20cyclictest32549-21sshd11:15:532
1176999220,20cyclictest30393-21sshd09:19:022
1176999220,20cyclictest2868-21sshd09:24:342
1176999220,20cyclictest21576-21sshd10:05:532
1176999220,20cyclictest18276-21sshd12:03:022
1176999220,20cyclictest10204-21sshd11:22:242
1176999220,12cyclictest20812-21latency10:25:182
1176999220,11cyclictest24391-21sshd11:59:052
219412210,2sleep30-21swapper/310:15:383
1176999218,11cyclictest32502-21sh07:55:122
1176999218,11cyclictest32144-21sshd12:20:042
1176999218,11cyclictest15000-21sshd09:26:132
1176999216,13cyclictest29008-21sshd10:55:442
1176999215,8cyclictest4960-21sshd11:01:582
1176999214,9cyclictest22405-21sshd10:50:022
1176999214,8cyclictest2024-21nfsd11:48:132
1176999211,18cyclictest25482-21sshd10:01:402
1176999211,18cyclictest25043-21sshd10:30:432
1176999210,19cyclictest9221-21sshd12:31:162
1176999210,19cyclictest28931-21sshd10:16:472
1176999210,19cyclictest28802-21ntp_kernel_err07:45:172
1176999210,19cyclictest22741-21munin-node08:45:102
1176999210,19cyclictest21550-21sshd12:18:242
1176999210,19cyclictest2066-21nscd07:10:182
1176999210,19cyclictest11408-21sshd11:32:242
1176999210,14cyclictest13280-21sshd11:52:242
1176999210,13cyclictest9864-21sshd12:11:332
1176999210,12cyclictest14680-21sshd12:27:122
1176999210,12cyclictest14680-21sshd12:27:122
6802200,1sleep30-21swapper/309:19:283
51292201,17sleep1144650irq/27-eth011:11:471
203492200,2sleep10-21swapper/111:09:181
1176999200,18cyclictest6102-21sshd08:05:532
1176999200,18cyclictest22660-21runrttasks07:31:592
1176999200,18cyclictest2143-21ntpd08:25:182
1176999200,11cyclictest2401-21munin-node08:00:122
1176999200,11cyclictest10551-21unixbench_singl08:15:242
71552190,17sleep3144650irq/27-eth010:37:553
159222190,17sleep3144650irq/27-eth011:08:373
1176999190,18cyclictest2024-21nfsd08:42:102
1176999190,17cyclictest2512-21runrttasks07:38:112
1176999190,17cyclictest2024-21nfsd08:57:292
1176999190,10cyclictest31972-21runrttasks07:54:452
84562180,16sleep3144650irq/27-eth009:25:193
77842180,16sleep1144650irq/27-eth011:31:511
1176999185,11cyclictest30660-21munin-node09:00:202
1176999180,9cyclictest14069-21munin-node07:15:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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