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2026-05-24 - 15:56
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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 24, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300732730,1sleep1902699cyclictest09:10:141
22062560,2sleep1902699cyclictest10:54:401
252242550,1sleep025219-21bash11:18:580
249822550,1sleep224980-21lspci10:28:492
207132550,0sleep00-21swapper/012:33:520
301812540,0sleep20-21swapper/210:12:352
301812540,0sleep20-21swapper/210:12:352
200422540,0sleep20-21swapper/210:22:492
200422540,0sleep20-21swapper/210:22:482
127772530,0sleep30-21swapper/309:40:323
35122520,0sleep20-21swapper/212:12:472
84312510,0sleep20-21swapper/209:56:492
21052510,0sleep00-21swapper/012:04:200
295622500,0sleep00-21swapper/011:02:370
208152500,0sleep10-21swapper/111:46:231
4632490,0sleep1241ktimersoftd/111:58:361
190512490,0sleep00-21swapper/010:17:100
126242480,0sleep30-21swapper/310:33:203
61382470,0sleep20-21swapper/211:06:062
118432470,0sleep00-21swapper/011:26:080
103982470,0sleep00-21swapper/012:27:190
59672460,0sleep2311rcuc/209:53:542
45212460,0sleep30-21swapper/310:46:293
264652400,0sleep10-21swapper/111:30:131
88192287,7sleep00-21swapper/007:08:530
858222512,9sleep20-21swapper/207:05:552
858122313,6sleep10-21swapper/107:05:541
234052210,0sleep10-21swapper/111:07:381
71212208,7sleep30-21swapper/307:05:083
289372200,1sleep228933-21sshd09:25:502
64352190,0sleep00-21swapper/011:59:080
274422190,0sleep30-21swapper/311:19:093
215662190,1sleep121564-21lspci12:14:231
50012180,1sleep24999-21sshd10:43:472
282462170,0sleep30-21swapper/309:14:003
201772170,1sleep020170-21sshd09:44:020
25102160,0sleep0111rcuc/009:34:120
121502160,0sleep10-21swapper/109:51:351
119212160,0sleep20-21swapper/211:54:012
902899150,1cyclictest3824-21lspci09:30:383
53072150,0sleep00-21swapper/010:04:560
200212150,1sleep320019-21lspci12:39:243
179382150,1sleep017936-21bash11:48:580
99982140,0sleep00-21swapper/012:21:430
902899145,3cyclictest41-21ksoftirqd/312:15:423
902799140,1cyclictest674-21dbus-daemon09:47:262
902699140,1cyclictest26552-21lspci10:48:251
258432140,0sleep20-21swapper/211:38:322
248622140,0sleep0111rcuc/009:17:310
196922140,0sleep30-21swapper/312:14:143
162292140,0sleep10-21swapper/110:16:551
902899130,1cyclictest12989-21sshd11:01:083
902799130,12cyclictest0-21swapper/211:12:172
9026991311,1cyclictest18150-21bash11:43:251
902699130,1cyclictest674-21dbus-daemon12:04:161
902399130,12cyclictest674-21dbus-daemon09:46:240
902399130,12cyclictest1026-21sshd09:13:140
193652130,1sleep119364-21bash09:32:371
19262130,1sleep21928-21bash11:28:052
902899121,1cyclictest26866-21lspci11:52:303
9028991210,1cyclictest1836-21sshd10:29:383
902899120,11cyclictest9482-21bash10:02:283
902899120,11cyclictest674-21dbus-daemon12:08:483
902899120,11cyclictest482-21sshd11:08:283
902699120,1cyclictest0-21swapper/110:06:351
902699120,11cyclictest0-21swapper/110:30:441
9023991210,1cyclictest27986-21kworker/0:410:44:560
252602120,0sleep10-21swapper/112:17:271
223512120,0sleep30-21swapper/312:20:013
106322120,0sleep00-21swapper/012:05:040
902899118,2cyclictest27527-21sshd11:46:583
902899118,2cyclictest0-21swapper/310:17:483
902899113,3cyclictest41-21ksoftirqd/312:30:503
902899111,3cyclictest41-21ksoftirqd/312:00:333
9028991110,0cyclictest0-21swapper/311:31:383
902899110,1cyclictest0-21swapper/309:59:583
902899110,10cyclictest0-21swapper/309:18:083
902799119,1cyclictest0-21swapper/209:35:562
9027991110,0cyclictest0-21swapper/212:38:462
9027991110,0cyclictest0-21swapper/209:11:462
902799110,10cyclictest0-21swapper/211:01:562
902799110,0cyclictest0-21swapper/210:01:062
902699119,1cyclictest13315-21sshd09:20:041
9026991110,0cyclictest0-21swapper/111:28:541
9026991110,0cyclictest0-21swapper/110:14:141
9026991110,0cyclictest0-21swapper/110:14:141
902699110,10cyclictest0-21swapper/111:39:351
902399119,1cyclictest10419-21kworker/0:010:22:240
902399119,1cyclictest10419-21kworker/0:010:22:240
902399110,10cyclictest0-21swapper/009:51:240
902399110,0cyclictest0-21swapper/012:10:140
192262110,0sleep30-21swapper/309:49:293
902899109,0cyclictest0-21swapper/307:58:083
902899108,1cyclictest0-21swapper/310:13:093
902899108,1cyclictest0-21swapper/310:13:083
902899105,3cyclictest41-21ksoftirqd/309:35:573
902899104,3cyclictest41-21ksoftirqd/310:09:283
902899102,3cyclictest41-21ksoftirqd/310:42:593
902899102,1cyclictest674-21dbus-daemon11:11:103
902899101,3cyclictest41-21ksoftirqd/311:35:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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