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2025-12-13 - 07:40
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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 rack2slot0.osadl.org (updated Sat Dec 13, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270992740,1sleep127101-21bash21:26:461
67312720,0sleep00-21swapper/000:34:270
134612570,1sleep113455-21sshd00:26:281
106942550,0sleep10-21swapper/122:51:521
197892520,1sleep019784-21lspci22:26:560
118722520,0sleep30-21swapper/321:51:233
95852500,0sleep20-21swapper/222:48:532
85582500,0sleep10-21swapper/121:39:411
278622500,1sleep327825-21sshd00:21:583
231702500,0sleep10-21swapper/119:46:521
230442500,0sleep00-21swapper/023:47:140
255682490,1sleep025548-21sshd22:11:510
201722490,1sleep11-21systemd23:49:561
79382480,0sleep07939-21tty22:59:210
310042480,0sleep331003-21grepconf.sh00:05:113
240332480,0sleep20-21swapper/223:18:282
227542480,0sleep30-21swapper/322:54:063
218202480,0sleep20-21swapper/221:56:202
218202480,0sleep20-21swapper/221:56:192
19952480,0sleep11992-21lspci00:16:551
180142480,0sleep10-21swapper/123:20:531
314382470,0sleep00-21swapper/023:27:480
54492460,0sleep10-21swapper/122:01:541
201192460,2sleep3788299cyclictest22:11:143
294002450,0sleep10-21swapper/122:24:571
226662420,1sleep125-21ksoftirqd/122:47:091
313722400,0sleep00-21swapper/022:16:200
269212380,0sleep00-21swapper/022:24:450
41542340,1sleep09-21ksoftirqd/023:22:280
75692297,7sleep00-21swapper/019:07:250
75872287,7sleep10-21swapper/119:07:381
75712247,4sleep20-21swapper/219:07:272
600122210,7sleep30-21swapper/319:05:163
195472220,0sleep00-21swapper/000:35:350
232172190,2sleep3788299cyclictest22:21:353
156502190,0sleep3401ktimersoftd/321:48:003
264322180,0sleep30-21swapper/323:12:493
41412170,0sleep30-21swapper/300:25:383
23382170,0sleep20-21swapper/223:31:032
7962160,1sleep0785-21bash22:01:250
28822160,0sleep20-21swapper/223:13:412
82882150,1sleep341-21ksoftirqd/323:22:513
54712150,0sleep00-21swapper/020:21:550
26972150,0sleep10-21swapper/122:39:431
144742150,1sleep1231rcuc/100:00:531
95562140,0sleep30-21swapper/321:32:103
787299140,13cyclictest674-21dbus-daemon00:25:350
250142140,0sleep325011-21bash23:41:443
179952140,0sleep017988-21lspci23:43:570
7882991311,1cyclictest12291-21lspci23:37:373
787599131,11cyclictest21415-21sshd23:03:252
787399130,11cyclictest7810-21ntp_states20:26:581
210672130,0sleep20-21swapper/223:52:482
105472130,0sleep10-21swapper/100:14:511
788299120,1cyclictest6730-21sshd22:28:383
788299120,1cyclictest642-21systemd-logind23:47:383
788299120,1cyclictest22688-21sshd23:32:483
788299120,1cyclictest13265-21sshd00:12:083
7875991210,1cyclictest10403-21sshd20:48:352
7875991210,1cyclictest0-21swapper/200:02:062
787599120,1cyclictest3832-21cp22:34:062
787599120,11cyclictest20861-21sshd22:53:452
787599120,11cyclictest13660-21grep22:29:152
787599120,11cyclictest0-21swapper/223:08:162
787599120,11cyclictest0-21swapper/222:38:552
787299121,1cyclictest131rcu_sched00:20:000
7872991211,0cyclictest0-21swapper/021:40:240
787299120,1cyclictest0-21swapper/023:55:340
787299120,11cyclictest0-21swapper/000:00:250
317442120,1sleep331745-21bash22:19:273
118562120,0sleep00-21swapper/021:11:320
114852120,0sleep10-21swapper/123:26:041
7882991110,0cyclictest0-21swapper/300:02:083
788299110,10cyclictest0-21swapper/323:52:273
788299110,10cyclictest0-21swapper/323:08:183
788299110,10cyclictest0-21swapper/322:08:373
788299110,0cyclictest0-21swapper/321:43:483
788299110,0cyclictest0-21swapper/320:42:283
787599119,1cyclictest649-21polkitd23:22:462
7875991110,0cyclictest0-21swapper/220:53:462
787599110,1cyclictest12801-21lspci00:12:062
787599110,10cyclictest0-21swapper/222:58:362
787599110,10cyclictest0-21swapper/222:19:162
787599110,10cyclictest0-21swapper/221:44:252
787599110,10cyclictest0-21swapper/221:04:052
787599110,10cyclictest0-21swapper/220:58:552
787599110,0cyclictest0-21swapper/222:09:162
787599110,0cyclictest0-21swapper/221:24:262
787399119,1cyclictest6384-21cp00:20:071
787399119,1cyclictest15001-21sshd20:49:471
7873991110,0cyclictest0-21swapper/122:05:581
7873991110,0cyclictest0-21swapper/121:55:581
7873991110,0cyclictest0-21swapper/121:55:581
7873991110,0cyclictest0-21swapper/121:00:071
7873991110,0cyclictest0-21swapper/120:44:381
787399110,1cyclictest26189-21sshd23:50:271
787399110,10cyclictest0-21swapper/123:40:271
787399110,10cyclictest0-21swapper/123:05:371
787399110,10cyclictest0-21swapper/123:00:471
787399110,10cyclictest0-21swapper/100:34:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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