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2026-05-06 - 03:33
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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 rack3slot0.osadl.org (updated Wed May 06, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13191991239,55cyclictest29298-21kworker/u16:422:06:351
13205999048,42cyclictest0-21swapper/622:06:346
17592790,1sleep6721-21dbus-daemon21:48:586
316212700,1sleep231616-21systemd23:53:242
289322690,1sleep61320599cyclictest22:34:316
82172530,0sleep40-21swapper/422:48:474
112032530,0sleep30-21swapper/300:24:493
13203995228,0cyclictest0-21swapper/422:06:344
89662510,0sleep10-21swapper/121:55:091
325362510,0sleep50-21swapper/523:26:365
1284525126,9sleep30-21swapper/319:06:403
1295724938,8sleep70-21swapper/719:08:127
1288424925,9sleep10-21swapper/119:07:101
113802490,0sleep60-21swapper/621:43:536
297462480,0sleep70-21swapper/722:40:177
23692480,0sleep30-21swapper/322:57:593
23692480,0sleep30-21swapper/322:57:593
207852480,0sleep60-21swapper/600:29:166
194872480,0sleep40-21swapper/423:16:104
326502470,0sleep10-21swapper/121:12:401
184402470,1sleep018441-21kworker/u16:222:37:450
100842470,1sleep510085-21systemd-cgroups21:30:225
39632460,0sleep20-21swapper/223:44:112
298322460,0sleep70-21swapper/723:34:077
23872460,1sleep42388-21grepconf.sh22:52:154
186172460,2sleep31320299cyclictest23:48:523
186172460,2sleep31320299cyclictest23:48:523
262422450,0sleep30-21swapper/321:58:083
159642450,1sleep557-21ksoftirqd/500:36:525
263152440,0sleep00-21swapper/022:42:020
121652440,0sleep70-21swapper/700:28:457
241182430,0sleep20-21swapper/221:31:162
175612430,0sleep60-21swapper/622:10:526
175612430,0sleep60-21swapper/622:10:526
123402430,0sleep00-21swapper/022:31:370
49482420,0sleep30-21swapper/322:06:253
41672420,0sleep10-21swapper/100:03:081
277782420,0sleep4471rcuc/421:31:344
206422420,0sleep00-21swapper/021:19:360
198342420,0sleep51-21systemd21:49:535
1299024230,9sleep40-21swapper/419:08:414
1297024230,9sleep20-21swapper/219:08:232
78072410,0sleep50-21swapper/521:45:285
77552410,0sleep30-21swapper/321:34:213
228012410,0sleep00-21swapper/023:58:350
22752410,0sleep70-21swapper/722:32:567
19672410,0sleep1231rcuc/122:44:351
13198994141,0cyclictest13550irq/24-ahci[00022:06:342
1021224128,8sleep00-21swapper/019:04:280
37602400,0sleep70-21swapper/721:28:087
281722400,0sleep70-21swapper/722:36:167
237692400,0sleep00-21swapper/000:08:040
218602400,0sleep10-21swapper/121:23:301
179982400,0sleep717982-21sshd21:38:417
150772400,0sleep00-21swapper/021:30:410
13204994039,1cyclictest15739-21kworker/5:522:06:355
1300924028,8sleep50-21swapper/519:08:585
1279924028,8sleep60-21swapper/619:06:036
99512390,0sleep40-21swapper/423:29:074
313132390,0sleep50-21swapper/523:47:425
313132390,0sleep50-21swapper/523:47:425
276702390,0sleep60-21swapper/623:05:066
230642390,0sleep30-21swapper/300:13:513
114542390,0sleep10-21swapper/121:19:051
86002380,0sleep70-21swapper/719:54:477
271002380,0sleep60-21swapper/600:12:106
214912380,0sleep20-21swapper/222:14:492
30742360,0sleep70-21swapper/721:47:067
101792360,0sleep60-21swapper/620:54:446
204972350,2sleep31320299cyclictest23:31:383
13183992625,0cyclictest752-21snmpd22:06:340
1320699240,23cyclictest0-21swapper/722:06:357
78242220,0sleep10-21swapper/100:22:461
13183992117,3cyclictest9-21ksoftirqd/000:24:020
74562200,0sleep20-21swapper/222:29:302
13183992017,1cyclictest9-21ksoftirqd/021:40:510
13183991916,1cyclictest9-21ksoftirqd/021:59:400
1318399191,1cyclictest131rcu_sched22:47:440
179072180,1sleep21-21systemd23:23:532
166652180,0sleep616662-21sshd23:21:486
1320499180,2cyclictest0-21swapper/522:21:435
13183991816,1cyclictest9-21ksoftirqd/023:21:260
13183991816,1cyclictest9-21ksoftirqd/021:59:050
13183991816,1cyclictest9-21ksoftirqd/021:16:360
13183991815,3cyclictest9-21ksoftirqd/022:28:580
13183991815,2cyclictest9-21ksoftirqd/023:42:400
13183991815,2cyclictest9-21ksoftirqd/021:11:520
13183991815,1cyclictest9-21ksoftirqd/022:21:180
13183991813,4cyclictest9-21ksoftirqd/021:51:580
13183991812,5cyclictest9-21ksoftirqd/023:03:080
13191991715,1cyclictest25-21ksoftirqd/122:43:441
13183991715,1cyclictest9-21ksoftirqd/000:32:130
13183991715,1cyclictest9-21ksoftirqd/000:03:420
13183991714,3cyclictest9-21ksoftirqd/022:55:340
13183991714,3cyclictest9-21ksoftirqd/022:55:340
13183991713,3cyclictest9-21ksoftirqd/023:49:270
13183991713,3cyclictest9-21ksoftirqd/023:49:270
13183991713,3cyclictest9-21ksoftirqd/000:16:450
13183991713,1cyclictest9-21ksoftirqd/022:11:200
13183991713,1cyclictest9-21ksoftirqd/022:11:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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