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2026-04-16 - 06:02
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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 Thu Apr 16, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120042970,0sleep30-21swapper/300:31:553
228572770,0sleep10-21swapper/123:20:561
145132730,1sleep214511-21sshd21:47:342
205342720,0sleep10-21swapper/122:15:121
124292600,0sleep30-21swapper/322:36:563
187482580,0sleep30-21swapper/323:05:003
7982560,0sleep00-21swapper/000:37:540
45362540,1sleep30-21swapper/300:11:533
154432540,0sleep015438-21sshd00:32:160
119682530,0sleep0101ktimersoftd/000:20:430
38452520,0sleep10-21swapper/121:56:221
38452520,0sleep10-21swapper/121:56:211
159202520,0sleep10-21swapper/123:16:071
75532500,1sleep3401ktimersoftd/322:24:353
68172500,0sleep10-21swapper/123:54:051
68172500,0sleep10-21swapper/123:54:041
281132490,0sleep20-21swapper/222:12:242
281132490,0sleep20-21swapper/222:12:242
169352490,1sleep016932-21lspci21:14:030
321782480,0sleep10-21swapper/122:09:311
266292470,0sleep30-21swapper/323:21:233
254022470,0sleep10-21swapper/122:38:221
246802470,0sleep2311rcuc/223:55:542
229872470,0sleep20-21swapper/223:40:532
229872470,0sleep20-21swapper/223:40:522
143852450,0sleep20-21swapper/200:32:102
327152308,7sleep20-21swapper/219:08:002
326442265,7sleep00-21swapper/019:07:060
32322210,7sleep30-21swapper/319:08:583
325612209,7sleep10-21swapper/119:06:031
101772200,0sleep00-21swapper/023:47:030
55232190,0sleep35526-21cpuspeed_turbos19:20:103
262322190,0sleep00-21swapper/021:15:150
288502170,0sleep30-21swapper/322:31:043
288502170,0sleep30-21swapper/322:31:033
19282170,0sleep0111rcuc/000:19:320
19282170,0sleep0111rcuc/000:19:310
547991616,0cyclictest241ktimersoftd/119:50:081
200792160,1sleep2321ktimersoftd/222:04:512
131722160,0sleep00-21swapper/000:09:300
54599151,4cyclictest649-21polkitd21:55:080
54599151,4cyclictest649-21polkitd21:55:070
54599150,3cyclictest674-21dbus-daemon22:36:020
64042140,0sleep00-21swapper/023:57:400
547991414,0cyclictest241ktimersoftd/119:28:441
545991412,1cyclictest674-21dbus-daemon23:19:410
54599141,1cyclictest642-21systemd-logind22:53:260
52612140,0sleep20-21swapper/223:34:402
52612140,0sleep20-21swapper/223:34:392
254442140,0sleep2321ktimersoftd/221:25:032
232692140,0sleep023261-21sshd21:41:460
223652140,0sleep30-21swapper/300:25:383
214902140,0sleep20-21swapper/223:36:322
214902140,0sleep20-21swapper/223:36:312
89012130,0sleep10-21swapper/123:27:141
89012130,0sleep10-21swapper/123:27:131
54999130,1cyclictest624-13audispd22:13:173
54999130,1cyclictest624-13audispd22:13:173
54799130,12cyclictest0-21swapper/122:11:001
54799130,12cyclictest0-21swapper/122:10:591
54599134,2cyclictest9-21ksoftirqd/022:59:140
54599133,5cyclictest674-21dbus-daemon22:19:490
54599132,1cyclictest674-21dbus-daemon23:40:420
54599132,1cyclictest674-21dbus-daemon23:40:420
54599132,1cyclictest642-21systemd-logind22:26:400
54599132,1cyclictest642-21systemd-logind22:26:390
54599131,4cyclictest710-21NetworkManager23:37:480
54599131,4cyclictest710-21NetworkManager23:37:470
54599131,3cyclictest674-21dbus-daemon22:07:470
54599131,3cyclictest674-21dbus-daemon21:38:140
54599131,3cyclictest674-21dbus-daemon21:38:130
54599131,3cyclictest649-21polkitd22:45:170
545991310,2cyclictest22485-21grep23:52:110
545991310,2cyclictest22485-21grep23:52:100
54599130,6cyclictest674-21dbus-daemon00:25:540
54599130,4cyclictest674-21dbus-daemon21:45:240
54599130,3cyclictest674-21dbus-daemon23:03:000
54599130,1cyclictest0-21swapper/021:22:210
281632130,0sleep10-21swapper/121:25:171
24732130,0sleep125-21ksoftirqd/121:42:591
54999120,1cyclictest24759-21sshd21:58:283
54999120,1cyclictest24759-21sshd21:58:273
54999120,11cyclictest6798-21sshd21:21:473
54999120,11cyclictest4517-21grepconf.sh21:49:483
54999120,11cyclictest30545-21lspci22:16:083
54999120,11cyclictest0-21swapper/323:31:483
54999120,11cyclictest0-21swapper/323:31:473
54799125,1cyclictest25-21ksoftirqd/123:40:061
54799125,1cyclictest25-21ksoftirqd/123:40:061
54799122,1cyclictest25-21ksoftirqd/122:40:151
547991211,0cyclictest241ktimersoftd/122:28:251
547991211,0cyclictest241ktimersoftd/122:28:241
54799121,10cyclictest0-21swapper/123:12:501
54799121,10cyclictest0-21swapper/123:12:491
54799120,1cyclictest17576-21grep21:18:481
54799120,1cyclictest0-21swapper/100:21:491
54799120,11cyclictest17980-21grep00:28:401
54799120,11cyclictest0-21swapper/122:45:201
54599122,3cyclictest699-21gdbus22:12:470
54599122,3cyclictest699-21gdbus22:12:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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