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2026-08-02 - 05:03
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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 rack3slot0.osadl.org (updated Sun Aug 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223652780,1sleep222362-21sshd23:40:292
194462740,2sleep61208699cyclictest21:24:586
194462740,2sleep61208699cyclictest21:24:586
81112720,0sleep50-21swapper/521:47:485
230402530,2sleep71209099cyclictest22:51:417
110132510,1sleep111010-21sshd21:31:421
1173125027,8sleep20-21swapper/219:03:222
1189624926,8sleep60-21swapper/619:05:426
1174324926,8sleep50-21swapper/519:03:335
64652470,2sleep11206099cyclictest22:07:301
315352470,1sleep431534-21sshd21:18:234
315352470,1sleep431534-21sshd21:18:234
235782460,0sleep0111rcuc/000:07:340
235782460,0sleep0111rcuc/000:07:340
168102460,0sleep70-21swapper/723:40:107
301832450,0sleep50-21swapper/521:41:475
265702450,1sleep1756-21sshd00:27:381
211672450,0sleep70-21swapper/723:26:017
80322430,0sleep00-21swapper/022:05:530
308472430,0sleep00-21swapper/000:27:530
263192430,0sleep70-21swapper/721:23:317
263192430,0sleep70-21swapper/721:23:317
260362430,0sleep00-21swapper/022:41:090
246552430,0sleep70-21swapper/700:11:187
67822420,0sleep20-21swapper/221:09:482
38022420,0sleep3391rcuc/322:54:173
314942420,0sleep6631rcuc/600:35:126
24982420,0sleep60-21swapper/623:55:396
181542420,1sleep618155-21grep23:51:076
1167024230,9sleep70-21swapper/719:02:397
81272410,0sleep10-21swapper/123:14:251
60412410,0sleep60-21swapper/621:47:416
40272410,0sleep50-21swapper/523:50:185
245702410,0sleep10-21swapper/122:17:311
245702410,0sleep10-21swapper/122:17:311
225372410,2sleep51208499cyclictest23:11:335
104912410,0sleep20-21swapper/222:15:002
224192400,0sleep50-21swapper/522:24:405
213182400,0sleep40-21swapper/400:12:514
1175124027,9sleep40-21swapper/419:03:404
1162324028,8sleep00-21swapper/019:02:000
96882390,0sleep20-21swapper/222:23:572
70182390,0sleep60-21swapper/622:16:326
70182390,0sleep60-21swapper/622:16:326
68772390,0sleep30-21swapper/322:59:543
229062390,0sleep60-21swapper/622:13:526
187232390,0sleep50-21swapper/523:29:275
187232390,0sleep50-21swapper/523:29:275
1162623927,9sleep30-21swapper/319:02:033
1159723926,10sleep10-21swapper/119:01:371
115932390,0sleep10-21swapper/100:35:551
296692380,0sleep70-21swapper/723:46:197
293172380,0sleep10-21swapper/121:16:281
293172380,0sleep10-21swapper/121:16:281
196982380,0sleep10-21swapper/121:10:351
151892380,0sleep70-21swapper/721:13:547
4112370,0sleep50-21swapper/521:11:205
231122370,0sleep40-21swapper/423:42:164
155222310,1sleep315527-21grepconf.sh00:08:583
155222310,1sleep315527-21grepconf.sh00:08:583
12084992312,2cyclictest57-21ksoftirqd/521:30:275
12084992312,2cyclictest57-21ksoftirqd/521:30:275
1208499227,1cyclictest57-21ksoftirqd/523:24:085
1208499226,3cyclictest464-21systemd-journal22:36:525
12060992218,1cyclictest121rcu_preempt23:52:291
12077992115,3cyclictest49-21ksoftirqd/422:56:184
1206099216,3cyclictest25-21ksoftirqd/122:05:071
1206099216,2cyclictest25-21ksoftirqd/123:03:301
1206099214,3cyclictest25-21ksoftirqd/122:22:521
1206099214,3cyclictest25-21ksoftirqd/100:13:271
1206099212,1cyclictest25-21ksoftirqd/123:56:371
12060992113,1cyclictest25-21ksoftirqd/123:25:401
12084992016,3cyclictest57-21ksoftirqd/523:16:295
1206099208,3cyclictest25-21ksoftirqd/121:44:151
1206099205,3cyclictest25-21ksoftirqd/100:21:251
1206099204,1cyclictest25-21ksoftirqd/123:07:151
1206099204,1cyclictest25-21ksoftirqd/122:48:551
1206099202,1cyclictest25-21ksoftirqd/121:48:431
12060992016,3cyclictest25-21ksoftirqd/123:16:431
1206099200,3cyclictest121rcu_preempt22:13:541
1208499199,1cyclictest57-21ksoftirqd/521:16:295
1208499199,1cyclictest57-21ksoftirqd/521:16:295
1208499196,1cyclictest57-21ksoftirqd/523:52:255
1208499192,2cyclictest57-21ksoftirqd/522:59:275
12084991917,1cyclictest57-21ksoftirqd/523:36:295
12084991915,3cyclictest57-21ksoftirqd/523:35:455
12084991915,1cyclictest57-21ksoftirqd/522:05:475
12084991914,3cyclictest57-21ksoftirqd/522:30:305
12084991913,3cyclictest57-21ksoftirqd/522:07:275
12084991912,3cyclictest57-21ksoftirqd/523:05:135
12077991915,1cyclictest49-21ksoftirqd/421:14:194
1206099195,1cyclictest121rcu_preempt21:24:081
1206099195,1cyclictest121rcu_preempt21:24:081
12060991917,1cyclictest25-21ksoftirqd/122:52:171
12060991914,4cyclictest25-21ksoftirqd/121:57:381
12060991910,1cyclictest25-21ksoftirqd/122:41:001
1206099191,1cyclictest25-21ksoftirqd/123:43:171
1206099191,1cyclictest121rcu_preempt00:09:251
1206099191,1cyclictest121rcu_preempt00:09:251
41862180,1sleep64176-21sshd00:19:106
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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