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2026-01-02 - 12:27
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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 Fri Jan 02, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1833428539,42sleep30-21swapper/319:05:493
167392850,2sleep20-21swapper/223:03:512
1859528134,43sleep10-21swapper/119:08:561
230042780,3sleep20-21swapper/221:14:212
152312770,0sleep00-21swapper/023:24:040
85162760,2sleep32439-21runrttasks23:21:393
258582760,0sleep31891799cyclictest21:35:083
63222750,1sleep30-21swapper/300:13:123
305882720,1sleep02439-21runrttasks22:16:450
234332720,3sleep11890899cyclictest00:29:241
214082700,1sleep30-21swapper/322:24:213
4542690,1sleep30-21swapper/322:38:043
191652680,1sleep20-21swapper/200:27:492
1853025733,21sleep00-21swapper/019:08:070
1732325522,17sleep20-21swapper/219:05:172
143972371,34sleep3137550irq/27-eth023:03:013
251372360,2sleep30-21swapper/322:45:333
139722350,3sleep30-21swapper/323:13:133
230202260,3sleep20-21swapper/223:36:402
62472240,2sleep12439-21runrttasks23:52:101
324332240,22sleep1137550irq/27-eth000:00:241
25882240,2sleep21884-21nfsd22:49:042
243682240,2sleep12439-21runrttasks22:05:001
53382230,2sleep20-21swapper/222:39:472
141892230,2sleep20-21swapper/222:32:022
311602220,4sleep10-21swapper/121:16:321
217332220,2sleep30-21swapper/322:34:433
300332200,3sleep11890899cyclictest22:57:371
18917991917,1cyclictest0-21swapper/300:15:153
177142190,1sleep10-21swapper/100:16:421
18913991812,5cyclictest21011-21sshd23:25:302
1890099187,10cyclictest0-21swapper/000:00:590
18900991814,3cyclictest0-21swapper/022:52:400
1890099180,17cyclictest0-21swapper/022:02:220
76702170,4sleep30-21swapper/323:52:403
20522172,13sleep310850irq/23-ehci_hcd23:20:003
1891799172,10cyclictest137550irq/27-eth021:56:353
18913991713,2cyclictest0-21swapper/221:57:502
1890099178,8cyclictest0-21swapper/022:08:480
1890099175,1cyclictest0-21swapper/000:25:270
1890099173,4cyclictest0-21swapper/020:30:130
1890099171,15cyclictest0-21swapper/023:01:360
1890099171,15cyclictest0-21swapper/022:10:200
1890099171,13cyclictest0-21swapper/019:29:170
1890099170,16cyclictest8943-21sshd21:50:010
1890099170,16cyclictest0-21swapper/022:33:250
125842170,15sleep3137550irq/27-eth000:04:593
1891799160,14cyclictest1137-21sshd22:07:383
1891799160,14cyclictest0-21swapper/322:11:593
1891799160,14cyclictest0-21swapper/321:26:283
18913991613,2cyclictest6035-21sshd22:09:192
1890899160,4cyclictest11063-21sshd23:12:111
1890899160,14cyclictest0-21swapper/123:21:181
1890899160,14cyclictest0-21swapper/122:36:131
1890899160,11cyclictest0-21swapper/122:19:181
1890099168,7cyclictest0-21swapper/021:47:100
1890099166,9cyclictest0-21swapper/000:17:570
18900991614,1cyclictest0-21swapper/000:11:410
1890099161,1cyclictest0-21swapper/000:30:040
1890099161,14cyclictest0-21swapper/022:49:140
1890099161,14cyclictest0-21swapper/022:20:530
1890099161,14cyclictest0-21swapper/021:28:110
1890099161,14cyclictest0-21swapper/021:22:020
1890099161,14cyclictest0-21swapper/021:05:570
1890099161,14cyclictest0-21swapper/000:37:130
1890099161,14cyclictest0-21swapper/000:21:010
1890099160,8cyclictest0-21swapper/021:36:400
1890099160,15cyclictest0-21swapper/023:31:130
1891799157,6cyclictest17756-21sshd22:02:413
1891799157,6cyclictest0-21swapper/323:58:053
1891799156,4cyclictest772-21sshd00:32:223
1891799154,10cyclictest10850irq/23-ehci_hcd19:51:563
1891799150,6cyclictest0-21swapper/323:49:113
1891799150,6cyclictest0-21swapper/323:40:393
1891799150,4cyclictest137550irq/27-eth000:05:113
1891799150,14cyclictest18295-21sshd21:12:423
1891799150,14cyclictest0-21swapper/321:23:263
1891799150,13cyclictest6196-21cpuspeed_turbos22:50:133
1891799150,13cyclictest0-21swapper/323:25:073
1891799150,13cyclictest0-21swapper/321:46:103
1891799150,13cyclictest0-21swapper/321:40:263
1891799150,10cyclictest0-21swapper/321:51:433
1891799150,10cyclictest0-21swapper/300:25:383
1891399154,4cyclictest0-21swapper/223:49:332
1891399153,11cyclictest1091-21sshd00:32:282
18913991511,2cyclictest0-21swapper/221:46:072
1891399150,7cyclictest0-21swapper/221:40:192
1891399150,6cyclictest0-21swapper/200:22:422
1891399150,14cyclictest0-21swapper/223:34:512
1891399150,14cyclictest0-21swapper/223:19:242
1890899157,7cyclictest0-21swapper/123:39:181
1890899157,4cyclictest2928-21sshd00:22:301
1890899157,3cyclictest30912-21sshd22:06:411
1890899157,3cyclictest10913-21bash22:10:251
1890899157,3cyclictest0-21swapper/121:54:381
1890899156,5cyclictest0-21swapper/122:24:061
1890899154,3cyclictest10850irq/23-ehci_hcd20:24:301
1890899154,10cyclictest10850irq/23-ehci_hcd19:32:251
18908991513,1cyclictest0-21swapper/122:34:071
18908991511,3cyclictest10850irq/23-ehci_hcd23:17:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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