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2026-03-07 - 10:36
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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 Mar 06, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2365721240,3sleep2410899cyclictest09:27:032
2583221220,0sleep025833-21sshd09:34:100
3780210334,40sleep30-21swapper/307:08:593
297262890,2sleep30-21swapper/309:56:173
98222880,3sleep20-21swapper/210:53:552
355028834,50sleep10-21swapper/107:06:151
185132880,1sleep018507-21sshd10:33:000
86012850,1sleep30-21swapper/312:02:243
150702850,4sleep1410299cyclictest12:25:031
82912840,3sleep20-21swapper/211:18:192
60692840,1sleep00-21swapper/011:25:580
385328231,11sleep20-21swapper/207:09:532
154712810,2sleep20-21swapper/207:35:002
107132810,1sleep12024-21nfsd11:59:021
107132810,1sleep12024-21nfsd11:59:021
70972790,2sleep20-21swapper/207:15:142
262682780,2sleep126266-21bash11:02:481
24772780,1sleep10-21swapper/110:45:251
158392770,3sleep30-21swapper/312:17:433
147162760,6sleep0409899cyclictest10:29:130
146352760,1sleep014632-21sshd11:19:020
99202730,1sleep20-21swapper/211:26:332
65952730,0sleep00-21swapper/012:39:240
194832730,0sleep00-21swapper/011:41:530
72522720,2sleep30-21swapper/311:21:533
206112720,3sleep1410299cyclictest10:26:161
93532690,1sleep3411499cyclictest12:05:533
301852690,1sleep230184-21bash12:38:262
272882690,4sleep2410899cyclictest11:24:412
237082670,1sleep323711-21sshd10:23:153
100152670,0sleep010016-21id09:39:510
23142590,2sleep12313-21bash10:56:471
365325732,13sleep00-21swapper/007:07:350
14682480,1sleep041ktimersoftd/009:42:230
125382470,2sleep312533-21iostat11:15:163
225462420,3sleep022541-21bash11:05:510
326862340,0sleep332687-21bash11:25:183
5192300,2sleep20-21swapper/209:42:172
310532290,5sleep0409899cyclictest10:17:070
7902280,2sleep10-21swapper/112:31:121
78252280,3sleep20-21swapper/212:24:112
102232280,2sleep30-21swapper/309:11:373
287722270,3sleep2410899cyclictest09:20:172
86382260,2sleep30-21swapper/309:28:563
185552260,2sleep118557-21bash12:00:021
35282250,2sleep23527-21sshd10:49:062
99432240,2sleep30-21swapper/311:33:593
278932241,21sleep328950irq/26-ahci[00011:46:183
300932230,2sleep330092-21bash09:41:583
130082230,4sleep1410299cyclictest10:54:221
114442230,2sleep10-21swapper/109:29:141
409899221,10cyclictest9117-21sshd10:53:480
298692220,20sleep328950irq/26-ahci[00009:38:113
283562220,20sleep2144650irq/27-eth012:19:072
410899215,3cyclictest5154-21sshd09:39:112
410899213,8cyclictest0-21swapper/210:00:132
280232210,2sleep328019-21sshd10:51:553
410899205,9cyclictest8090-21sshd11:51:052
410899202,11cyclictest30373-21sshd09:31:072
4098992011,5cyclictest21394-21sshd09:47:560
409899200,5cyclictest28707-21sshd09:16:550
261102200,1sleep10-21swapper/110:37:141
410299190,18cyclictest0-21swapper/111:37:431
409899198,9cyclictest0-21swapper/010:05:120
409899198,3cyclictest0-21swapper/010:35:150
409899197,10cyclictest0-21swapper/010:20:250
409899196,3cyclictest0-21swapper/009:50:150
409899196,3cyclictest0-21swapper/009:50:150
409899195,13cyclictest0-21swapper/012:15:070
4098991915,3cyclictest18825-21sshd09:58:390
409899190,9cyclictest0-21swapper/009:22:010
409899190,2cyclictest13215-21sshd12:32:460
409899190,1cyclictest11454-21bash09:25:410
409899190,16cyclictest0-21swapper/011:36:060
409899190,16cyclictest0-21swapper/007:44:200
137612191,16sleep2144650irq/27-eth010:15:162
410899184,8cyclictest28141-21sshd12:08:042
4108991813,4cyclictest3168-21sshd11:43:412
410299185,6cyclictest0-21swapper/109:54:161
410299185,6cyclictest0-21swapper/109:54:161
410299180,2cyclictest0-21swapper/112:14:541
409899187,9cyclictest0-21swapper/012:06:340
409899183,9cyclictest0-21swapper/010:45:190
409899180,4cyclictest15391-21cp11:48:300
409899180,17cyclictest0-21swapper/009:14:440
409899180,14cyclictest0-21swapper/011:59:330
409899180,14cyclictest0-21swapper/011:59:330
409899180,14cyclictest0-21swapper/010:11:430
409899180,10cyclictest13625-21sshd10:01:270
260062180,17sleep2144650irq/27-eth011:39:122
85512170,15sleep310950irq/23-ehci_hcd10:07:523
48412170,15sleep3144650irq/27-eth012:20:053
411499178,5cyclictest20557-21sshd10:55:163
411499178,5cyclictest0-21swapper/310:40:493
411499172,11cyclictest27102-21sshd11:39:193
410899173,8cyclictest2132-21sshd12:04:282
410899170,3cyclictest2088-21snmpd11:32:372
410899170,12cyclictest0-21swapper/210:08:032
410299172,2cyclictest1827-21sshd09:14:121
4102991713,3cyclictest144650irq/27-eth009:46:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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