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2026-05-03 - 10:24
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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 03, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
881021340,2sleep2832799cyclictest22:05:512
272872760,0sleep2311rcuc/222:27:152
169312740,0sleep30-21swapper/321:58:113
233882710,0sleep00-21swapper/021:39:050
319742700,1sleep131976-21kworker/u8:021:53:531
198352690,0sleep30-21swapper/321:47:103
89212670,1sleep28920-21sshd22:03:082
308092570,0sleep30-21swapper/321:39:453
79732560,0sleep10-21swapper/123:19:081
34762550,0sleep10-21swapper/122:39:191
39532530,0sleep10-21swapper/122:25:131
323022530,1sleep032291-21sshd00:08:570
321552530,0sleep10-21swapper/121:48:161
268002520,0sleep10-21swapper/122:13:071
326682510,0sleep10-21swapper/121:39:561
72582500,2sleep2832799cyclictest23:44:242
64432500,0sleep20-21swapper/223:07:442
273982490,1sleep027392-21bash21:21:590
273592490,1sleep21-21systemd21:18:012
68152480,0sleep20-21swapper/223:58:232
49742480,0sleep30-21swapper/300:26:033
247062470,0sleep10-21swapper/100:30:291
112882470,0sleep0101ktimersoftd/022:34:220
16482460,0sleep20-21swapper/221:45:322
134982430,0sleep00-21swapper/022:59:570
309502390,0sleep20-21swapper/221:59:262
203922390,0sleep00-21swapper/022:23:510
122972300,2sleep2832799cyclictest21:38:082
78702276,6sleep20-21swapper/219:05:442
56452270,1sleep1832699cyclictest22:02:501
274522270,0sleep30-21swapper/322:15:583
79962255,6sleep30-21swapper/319:07:133
78642245,4sleep10-21swapper/119:05:401
167682200,1sleep216769-21bash00:07:352
64172197,7sleep00-21swapper/019:05:030
136012180,0sleep20-21swapper/221:32:182
94712170,1sleep2311rcuc/222:34:112
87822170,1sleep30-21swapper/321:27:433
131442170,0sleep00-21swapper/023:28:000
54032160,1sleep05389-21bash21:54:240
31372160,0sleep10-21swapper/122:47:441
266032160,0sleep0642-21systemd-logind22:13:060
111442160,0sleep10-21swapper/122:51:121
8333991513,1cyclictest401ktimersoftd/300:14:583
324002150,0sleep10-21swapper/122:41:481
319762150,0sleep10-21swapper/123:35:141
289822150,1sleep0111rcuc/021:47:590
156372150,1sleep015636-21bash22:09:220
132422150,1sleep113241-21sshd23:05:271
67782140,1sleep3391rcuc/300:34:363
184892140,0sleep30-21swapper/300:07:453
832799130,12cyclictest2586-21sshd00:31:242
8333991211,0cyclictest0-21swapper/322:29:593
8333991210,1cyclictest0-21swapper/322:24:483
833399120,11cyclictest25694-21sshd21:17:483
833399120,11cyclictest1-21systemd23:31:493
833399120,11cyclictest0-21swapper/323:52:183
832799120,11cyclictest29979-21gdbus00:38:152
8326991210,1cyclictest19571-21sshd23:45:231
832699120,1cyclictest18572-21tty22:23:421
832699120,1cyclictest1072-21nfsd00:15:321
832699120,11cyclictest674-21dbus-daemon22:15:531
832699120,0cyclictest0-21swapper/121:40:521
832599124,4cyclictest28591-21munin-run23:34:590
8325991210,1cyclictest29708-21sshd22:50:050
8325991210,1cyclictest0-21swapper/021:56:550
8325991210,1cyclictest0-21swapper/021:29:360
832599120,11cyclictest0-21swapper/023:38:550
254012120,2sleep0832599cyclictest21:42:030
833399119,1cyclictest9914-21sshd23:10:483
833399119,1cyclictest75750irq/24-eno1-rx-22:35:583
833399119,1cyclictest31523-21sshd00:22:493
8333991110,0cyclictest0-21swapper/321:42:483
833399110,10cyclictest0-21swapper/322:06:083
833399110,0cyclictest0-21swapper/322:32:583
8327991110,0cyclictest0-21swapper/223:35:342
8327991110,0cyclictest0-21swapper/222:40:152
832799110,0cyclictest0-21swapper/222:37:142
832699119,1cyclictest674-21dbus-daemon00:23:231
832699119,1cyclictest27456-21sshd21:18:021
832699110,0cyclictest0-21swapper/121:56:121
8325991110,0cyclictest0-21swapper/023:58:050
8325991110,0cyclictest0-21swapper/021:17:550
832599110,10cyclictest0-21swapper/023:17:350
832599110,10cyclictest0-21swapper/023:11:150
832599110,10cyclictest0-21swapper/021:12:050
832599110,10cyclictest0-21swapper/020:52:050
832599110,10cyclictest0-21swapper/020:25:150
832599110,0cyclictest0-21swapper/021:32:350
833399109,0cyclictest0-21swapper/322:50:293
833399109,0cyclictest0-21swapper/320:25:083
833399109,0cyclictest0-21swapper/319:50:193
833399109,0cyclictest0-21swapper/300:36:393
833399108,1cyclictest5194-21bash00:00:583
833399100,0cyclictest0-21swapper/321:12:493
833399100,0cyclictest0-21swapper/319:56:083
832799109,0cyclictest0-21swapper/221:27:452
832799109,0cyclictest0-21swapper/219:18:052
832799108,1cyclictest31946-21sshd23:18:242
832799108,1cyclictest17005-21cp22:51:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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