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2026-05-10 - 07:49
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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 Sun May 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47262960,1sleep11356899cyclictest22:10:131
28642930,0sleep20-21swapper/222:57:282
147882590,0sleep10-21swapper/119:10:321
124592570,1sleep30-21swapper/323:17:483
90992550,0sleep20-21swapper/200:10:232
123462550,0sleep012343-21lspci00:07:550
24312540,0sleep20-21swapper/223:58:442
59482530,0sleep20-21swapper/223:11:392
4742510,0sleep30-21swapper/322:20:563
296252510,0sleep30-21swapper/322:59:503
43752500,0sleep2311rcuc/221:47:562
315382500,0sleep30-21swapper/321:33:313
22872500,1sleep22289-21bash22:12:472
11822500,0sleep10-21swapper/123:53:031
66392490,0sleep30-21swapper/321:56:253
37892490,0sleep30-21swapper/300:07:103
294912490,0sleep30-21swapper/300:12:123
198152490,0sleep30-21swapper/300:25:173
145382490,0sleep20-21swapper/223:17:592
103002490,1sleep210298-21lspci22:32:572
296192480,0sleep30-21swapper/322:51:203
28922480,0sleep20-21swapper/222:43:302
246872480,0sleep30-21swapper/323:30:013
197322480,0sleep00-21swapper/021:32:060
154722480,0sleep00-21swapper/021:48:530
172622470,0sleep10-21swapper/121:31:471
157852470,1sleep01356399cyclictest21:23:450
126942470,0sleep20-21swapper/223:42:542
61722360,2sleep21357199cyclictest23:31:082
119402296,7sleep00-21swapper/019:05:130
132882287,7sleep20-21swapper/219:07:502
1320522614,7sleep30-21swapper/319:06:473
146442230,0sleep00-21swapper/022:47:170
283272210,0sleep0111rcuc/023:02:280
1315822110,7sleep10-21swapper/119:06:171
220612200,0sleep30-21swapper/323:13:043
315632190,0sleep0101ktimersoftd/021:09:560
325422170,0sleep10-21swapper/121:53:061
272192170,0sleep20-21swapper/222:48:242
301502160,0sleep30-21swapper/323:55:293
266692160,0sleep10-21swapper/121:47:011
197212160,2sleep21357199cyclictest00:33:412
288812150,0sleep20-21swapper/223:21:592
255842150,1sleep125581-21sshd00:36:571
191912150,0sleep10-21swapper/122:08:401
191032150,0sleep20-21swapper/222:03:062
152792150,1sleep3391rcuc/322:47:213
262242140,0sleep20-21swapper/221:35:492
228502140,0sleep00-21swapper/023:27:030
157222140,0sleep00-21swapper/022:00:030
1357299145,1cyclictest41-21ksoftirqd/322:02:223
13563991412,1cyclictest29157-21sshd23:41:320
291312130,0sleep00-21swapper/000:34:310
1357299131,1cyclictest25457-21sshd23:24:333
1357199130,12cyclictest30907-21sshd00:03:592
1357199130,12cyclictest30907-21sshd00:03:582
1356399130,1cyclictest7114-21bash22:24:210
116092130,0sleep111612-21bash22:35:491
71192120,0sleep00-21swapper/023:11:440
196732120,0sleep20-21swapper/223:01:402
1357299124,3cyclictest41-21ksoftirqd/323:06:533
1357299123,3cyclictest41-21ksoftirqd/323:35:013
1357299123,3cyclictest41-21ksoftirqd/300:21:113
1357299122,3cyclictest41-21ksoftirqd/323:27:073
1357299122,3cyclictest41-21ksoftirqd/321:39:083
1357299122,3cyclictest41-21ksoftirqd/300:35:423
1357299122,2cyclictest41-21ksoftirqd/322:16:013
1357299122,2cyclictest41-21ksoftirqd/322:06:343
1357299122,1cyclictest41-21ksoftirqd/322:12:163
1357299121,3cyclictest41-21ksoftirqd/321:42:543
1357299120,11cyclictest15738-21sshd21:54:293
1357299120,11cyclictest0-21swapper/300:33:593
13571991210,1cyclictest12905-21grepconf.sh00:16:182
13571991210,1cyclictest11883-21sshd21:51:182
1357199120,11cyclictest642-21systemd-logind23:45:482
1356899120,11cyclictest642-21systemd-logind00:18:181
1356899120,11cyclictest26882-21grepconf.sh23:13:291
1356899120,11cyclictest11182-21sshd22:46:591
1356899120,11cyclictest0-21swapper/123:40:481
13563991210,1cyclictest0-21swapper/023:31:110
1357299116,3cyclictest41-21ksoftirqd/323:04:593
1357299112,3cyclictest41-21ksoftirqd/322:35:523
1357299111,2cyclictest41-21ksoftirqd/322:27:203
1357299111,2cyclictest41-21ksoftirqd/322:27:193
1357299111,1cyclictest41-21ksoftirqd/323:41:143
1357299111,1cyclictest41-21ksoftirqd/322:41:403
1357299110,2cyclictest0-21swapper/300:17:133
1357299110,1cyclictest41-21ksoftirqd/300:00:433
1357299110,1cyclictest41-21ksoftirqd/300:00:423
1357299110,1cyclictest0-21swapper/323:46:543
1357299110,10cyclictest391rcuc/321:13:593
1357299110,10cyclictest0-21swapper/321:50:003
13571991110,0cyclictest0-21swapper/222:25:192
13571991110,0cyclictest0-21swapper/222:25:182
13571991110,0cyclictest0-21swapper/221:19:382
13571991110,0cyclictest0-21swapper/200:39:492
1357199110,10cyclictest0-21swapper/223:36:192
1357199110,10cyclictest0-21swapper/221:56:382
1356899119,1cyclictest1-21systemd21:16:281
13568991110,0cyclictest0-21swapper/123:15:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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