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2025-12-30 - 12:30
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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 Tue Dec 30, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2619321140,2sleep20-21swapper/223:10:252
668329436,46sleep10-21swapper/119:08:491
248202910,2sleep10-21swapper/121:58:441
124302880,2sleep30-21swapper/322:35:193
127232870,1sleep00-21swapper/000:30:000
654728133,44sleep30-21swapper/319:07:063
137242740,0sleep00-21swapper/022:35:360
240692710,0sleep00-21swapper/023:30:260
97342690,1sleep30-21swapper/321:54:003
666426733,11sleep20-21swapper/219:08:332
672725833,4sleep00-21swapper/019:09:230
310142580,4sleep3703899cyclictest22:41:083
218702320,30sleep2137550irq/27-eth000:11:362
291352280,26sleep3137550irq/27-eth023:21:523
13542270,2sleep12439-21runrttasks22:21:391
202552260,4sleep1703699cyclictest23:29:431
38942250,23sleep1137550irq/27-eth022:53:221
93602240,2sleep20-21swapper/221:23:472
703599240,20cyclictest0-21swapper/000:03:270
33782240,22sleep328450irq/26-ahci[00023:55:173
244002230,21sleep228450irq/26-ahci[00022:08:472
7035992216,5cyclictest29204-21munin-run21:30:000
703599220,2cyclictest0-21swapper/022:25:170
65122220,1sleep10-21swapper/100:06:371
703599210,14cyclictest0-21swapper/023:00:130
28812210,3sleep10-21swapper/100:26:231
703599206,9cyclictest0-21swapper/021:38:400
226142200,3sleep30-21swapper/300:32:583
156332200,1sleep10-21swapper/123:07:141
703899191,10cyclictest0-21swapper/323:29:193
703799193,3cyclictest0-21swapper/200:34:362
703599193,2cyclictest31226-21sshd23:12:140
703599193,10cyclictest0-21swapper/021:20:300
703599190,15cyclictest0-21swapper/022:56:590
254332190,0sleep00-21swapper/022:09:070
703899181,2cyclictest0-21swapper/321:10:103
703899181,15cyclictest0-21swapper/323:13:373
703799182,2cyclictest0-21swapper/200:39:012
703699181,16cyclictest1993-21sshd23:46:361
703699180,16cyclictest0-21swapper/123:15:491
703599186,6cyclictest0-21swapper/023:49:310
703599181,4cyclictest0-21swapper/023:51:340
703599180,4cyclictest0-21swapper/022:21:490
703599180,17cyclictest47-21rcuop/300:20:150
703599180,17cyclictest0-21swapper/022:18:150
703599180,17cyclictest0-21swapper/021:51:510
703599180,17cyclictest0-21swapper/019:19:340
213962180,16sleep3137550irq/27-eth023:19:443
205222180,0sleep00-21swapper/000:11:050
703899177,8cyclictest0-21swapper/322:30:343
703899174,12cyclictest5882-21sshd23:04:243
703899171,3cyclictest137550irq/27-eth021:49:533
703899171,3cyclictest0-21swapper/321:42:403
703899171,14cyclictest0-21swapper/322:58:263
703899171,10cyclictest137550irq/27-eth021:55:083
703799170,11cyclictest0-21swapper/222:14:572
703699170,5cyclictest0-21swapper/123:24:081
703699170,15cyclictest0-21swapper/121:04:001
703599179,7cyclictest1960-21snmpd20:30:050
703599177,9cyclictest0-21swapper/022:32:470
703599176,8cyclictest0-21swapper/020:14:140
703599175,1cyclictest0-21swapper/023:55:220
703599171,1cyclictest0-21swapper/023:36:560
703599170,9cyclictest10084-21sshd21:44:010
703599170,8cyclictest0-21swapper/023:08:140
703599170,5cyclictest0-21swapper/022:46:280
703599170,4cyclictest0-21swapper/023:41:280
703599170,4cyclictest0-21swapper/023:41:270
703599170,2cyclictest0-21swapper/021:55:490
703599170,16cyclictest30855-21iostat_ios21:30:160
308522170,1sleep030849-21unixbench_singl22:10:240
703899168,6cyclictest0-21swapper/322:28:193
703899164,4cyclictest0-21swapper/322:17:333
703899163,8cyclictest0-21swapper/322:23:333
703899161,3cyclictest137550irq/27-eth021:31:313
703899161,2cyclictest28720-21sshd23:53:033
7038991612,3cyclictest10850irq/23-ehci_hcd22:51:153
703899161,13cyclictest0-21swapper/300:21:133
703899160,2cyclictest0-21swapper/322:02:133
703899160,10cyclictest8311-21sshd23:35:483
703799168,6cyclictest16489-21sshd23:17:562
703799166,4cyclictest10850irq/23-ehci_hcd21:42:082
703799164,11cyclictest26867-21sshd21:59:262
7037991612,3cyclictest30516-21sshd22:51:162
7037991611,4cyclictest10850irq/23-ehci_hcd21:31:402
703699164,10cyclictest0-21swapper/123:00:361
7036991614,1cyclictest0-21swapper/121:35:181
703699161,1cyclictest24372-21id22:49:421
703699160,14cyclictest0-21swapper/123:39:361
703699160,10cyclictest0-21swapper/123:57:301
703599168,7cyclictest0-21swapper/021:17:540
703599168,7cyclictest0-21swapper/000:33:310
703599168,4cyclictest0-21swapper/020:09:520
703599168,4cyclictest0-21swapper/000:06:040
703599167,8cyclictest0-21swapper/022:02:550
703599162,12cyclictest0-21swapper/000:35:190
7035991613,2cyclictest0-21swapper/021:14:460
703599160,9cyclictest0-21swapper/023:16:290
703599160,8cyclictest0-21swapper/021:05:020
703599160,4cyclictest0-21swapper/019:10:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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