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2025-09-17 - 04:03
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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 rack5slot0.osadl.org (updated Wed Sep 17, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416921810,4sleep22349699cyclictest21:33:372
1801521380,3sleep02349499cyclictest00:32:270
1835121370,1sleep20-21swapper/223:54:502
1123121350,3sleep30-21swapper/323:50:503
671521320,3sleep20-21swapper/222:22:552
1772421320,1sleep10-21swapper/100:07:391
2536221300,1sleep30-21swapper/322:30:423
192421240,2sleep20-21swapper/221:18:102
2081421230,4sleep22349699cyclictest00:29:092
1006121210,4sleep22349699cyclictest23:07:002
1547521160,3sleep22349699cyclictest21:10:122
783321140,1sleep20-21swapper/221:55:182
2878621110,7sleep10-21swapper/121:54:161
1008321080,1sleep00-21swapper/023:22:360
2528921040,2sleep00-21swapper/021:50:470
23084210432,43sleep10-21swapper/119:08:021
284532940,1sleep31848-21nfsd22:59:283
43862910,1sleep00-21swapper/023:47:020
205702900,4sleep32349799cyclictest21:50:223
289792880,2sleep128967-21sshd21:20:371
139742870,1sleep10-21swapper/123:54:251
87712860,2sleep22349699cyclictest00:03:242
224742860,1sleep041ktimersoftd/023:11:190
168142860,0sleep00-21swapper/022:23:520
174072840,2sleep117405-21sshd00:14:291
37012810,1sleep20-21swapper/223:59:432
2313828134,43sleep30-21swapper/319:08:453
74772800,1sleep10-21swapper/123:22:221
73802790,2sleep27378-21sshd21:43:032
212382780,2sleep321237-21sshd23:55:073
69772770,1sleep30-21swapper/321:15:293
138612770,4sleep313862-21sshd00:31:583
48932760,1sleep02349499cyclictest22:44:250
48702750,2sleep14863-21sshd22:25:431
54822740,2sleep25483-21sshd23:40:432
322562740,2sleep332257-21bash23:40:163
278882740,2sleep327883-21sshd22:43:273
4432730,1sleep20-21swapper/221:45:232
38772730,1sleep10-21swapper/122:34:571
178942720,0sleep117891-21sshd22:14:471
280692700,2sleep10-21swapper/123:30:281
273692700,1sleep00-21swapper/023:55:360
242472700,1sleep00-21swapper/021:26:180
161212700,2sleep20-21swapper/223:16:582
201792670,2sleep30-21swapper/323:01:433
157672650,2sleep315763-21cp00:39:363
312852610,0sleep00-21swapper/000:05:380
2314725833,13sleep00-21swapper/019:08:500
2315425532,10sleep20-21swapper/219:08:562
156142540,3sleep03-21ksoftirqd/022:32:550
199682450,1sleep10-21swapper/121:47:151
252972350,3sleep20-21swapper/223:33:222
236472340,2sleep323639-21cp23:23:563
23494993410,14cyclictest3-21ksoftirqd/000:12:350
177762330,2sleep117764-21sshd21:19:411
321292320,2sleep10-21swapper/123:43:271
2349499320,1cyclictest17999-21sshd21:10:210
23494993025,4cyclictest0-21swapper/023:15:170
223962300,28sleep2135650irq/27-eth023:39:202
23494992914,8cyclictest3-21ksoftirqd/022:03:220
121622290,0sleep012163-21bash23:38:170
78752280,2sleep17867-21sshd23:06:471
73782280,4sleep30-21swapper/323:37:473
66062280,1sleep00-21swapper/023:28:310
295672280,2sleep10-21swapper/123:27:351
2349499289,10cyclictest32222-21sshd00:26:410
23494992814,3cyclictest10264-21cat19:50:170
2349699270,19cyclictest33-21ksoftirqd/223:00:282
23494992714,6cyclictest3-21ksoftirqd/021:55:520
23494992714,10cyclictest3-21ksoftirqd/021:40:580
23494992712,5cyclictest3-21ksoftirqd/000:22:280
23494992615,4cyclictest3-21ksoftirqd/022:18:170
23494992613,4cyclictest3-21ksoftirqd/022:28:560
2349499260,22cyclictest26910-21sshd22:06:240
304332250,2sleep230431-21sshd21:20:462
245152250,2sleep11848-21nfsd22:55:491
23496992515,5cyclictest10950irq/23-ehci_hcd22:36:132
23494992515,3cyclictest3-21ksoftirqd/021:33:080
23494992514,7cyclictest3-21ksoftirqd/021:39:590
23494992514,7cyclictest3-21ksoftirqd/021:39:580
23494992513,11cyclictest3-21ksoftirqd/021:16:030
2349499250,16cyclictest26884-21sshd00:01:520
258752240,21sleep2135650irq/27-eth023:49:142
23496992421,2cyclictest17376-21sshd00:21:182
2349499249,7cyclictest3-21ksoftirqd/023:44:070
2349499243,13cyclictest31026-21sshd22:53:230
2349499240,15cyclictest0-21swapper/022:11:460
173192240,5sleep30-21swapper/322:48:493
244402230,2sleep30-21swapper/321:38:353
244402230,2sleep30-21swapper/321:38:343
2349499239,13cyclictest3-21ksoftirqd/021:22:130
23494992315,2cyclictest3-21ksoftirqd/023:50:290
23494992313,5cyclictest3-21ksoftirqd/022:56:070
23494992313,4cyclictest3-21ksoftirqd/023:08:510
23494992311,3cyclictest9094-21bash21:49:210
23496992215,4cyclictest20442-21sshd22:52:162
23494992212,3cyclictest3-21ksoftirqd/022:39:010
2349499220,12cyclictest0-21swapper/023:03:120
23497992116,4cyclictest22967-21id21:32:193
2349699211,8cyclictest10950irq/23-ehci_hcd21:51:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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