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2026-05-09 - 17:50
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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 Sat May 09, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57621270,0sleep10-21swapper/110:46:191
1194521220,0sleep10-21swapper/112:10:301
1194521220,0sleep10-21swapper/112:10:301
2464921070,0sleep124595-21sshd10:23:271
59832950,2sleep1560999cyclictest10:13:341
120602950,0sleep2562199cyclictest12:21:242
115632950,2sleep2562199cyclictest10:47:162
77042770,1sleep2674-21dbus-daemon11:14:472
291622770,0sleep10-21swapper/109:45:061
266202620,0sleep10-21swapper/110:40:151
308642530,2sleep3527-40kipmi011:59:513
45672520,0sleep00-21swapper/009:19:270
36132520,1sleep1231rcuc/112:09:461
282262520,0sleep00-21swapper/011:39:010
148732520,0sleep20-21swapper/210:58:412
56162510,0sleep10-21swapper/111:39:541
224142510,0sleep00-21swapper/010:09:300
71522500,1sleep37150-21sshd09:59:543
38212500,0sleep20-21swapper/211:00:252
33982490,0sleep10-21swapper/111:11:341
267332490,0sleep20-21swapper/211:19:122
244572490,0sleep20-21swapper/211:44:272
91412480,0sleep10-21swapper/111:45:541
228842480,0sleep10-21swapper/111:41:221
169072480,0sleep00-21swapper/012:04:360
163752480,0sleep00-21swapper/011:58:270
34422470,0sleep20-21swapper/209:45:352
28312470,0sleep30-21swapper/312:37:273
68862460,0sleep10-21swapper/112:20:311
272772430,2sleep1560999cyclictest10:01:331
313062260,0sleep3391rcuc/310:26:463
538022311,7sleep10-21swapper/107:08:341
513422210,7sleep20-21swapper/207:05:282
37132229,7sleep30-21swapper/307:05:133
539922110,7sleep00-21swapper/007:08:490
5600992019,0cyclictest16204-21lspci12:11:060
5600992019,0cyclictest16204-21lspci12:11:050
196972190,0sleep30-21swapper/310:17:303
141782180,0sleep00-21swapper/010:00:230
273742160,1sleep2311rcuc/210:09:552
228232160,0sleep322822-21bash12:11:483
228232160,0sleep322822-21bash12:11:483
18302160,1sleep21832-21bash10:54:492
130102160,0sleep10-21swapper/109:24:241
103872160,2sleep0560099cyclictest10:38:530
5600991514,0cyclictest23495-21kworker/0:110:27:440
5600991514,0cyclictest18293-21kworker/0:210:17:200
5600991514,0cyclictest14059-21lspci09:35:200
29642150,0sleep00-21swapper/012:23:590
253072150,0sleep30-21swapper/310:09:443
183912150,0sleep00-21swapper/010:31:120
153632150,0sleep2311rcuc/210:14:232
105022150,0sleep20-21swapper/211:37:262
87412140,0sleep10-21swapper/112:38:011
5621991412,1cyclictest0-21swapper/210:22:312
5600991413,0cyclictest4823-21kworker/0:312:18:410
5600991413,0cyclictest32550irq/27-ahci[00010:59:290
5600991413,0cyclictest26859-21kworker/0:011:17:500
5600991412,1cyclictest9-21ksoftirqd/012:36:180
5600991412,1cyclictest13084-21sshd11:29:130
35082140,0sleep30-21swapper/312:16:493
258952140,0sleep10-21swapper/111:24:441
5600991313,0cyclictest4823-21kworker/0:312:08:060
5600991312,0cyclictest30440-21lspci09:59:070
5600991312,0cyclictest24448-21lspci11:13:250
5600991312,0cyclictest101ktimersoftd/011:08:080
5636991211,0cyclictest0-21swapper/311:15:473
5636991210,1cyclictest642-21systemd-logind12:08:473
5636991210,1cyclictest357-21sshd09:50:563
5636991210,1cyclictest1-21systemd09:48:163
563699120,11cyclictest446-21sshd10:57:263
562199120,1cyclictest18359-21bash10:34:012
562199120,11cyclictest22289-21sshd12:39:212
5609991210,1cyclictest14197-21sshd11:32:071
560999120,11cyclictest27345-21sshd09:50:271
560999120,11cyclictest0-21swapper/110:05:261
560099127,1cyclictest9-21ksoftirqd/009:51:490
5600991211,0cyclictest23993-21lspci09:41:500
5600991211,0cyclictest15216-21kworker/0:212:25:260
560099120,1cyclictest28734-21sshd09:26:130
560099120,11cyclictest642-21systemd-logind10:42:430
560099120,0cyclictest0-21swapper/011:45:340
138162120,0sleep10-21swapper/111:52:151
563699119,1cyclictest26864-21ntp_kernel_pll_09:10:173
563699110,10cyclictest0-21swapper/311:22:363
563699110,10cyclictest0-21swapper/310:40:573
562199119,1cyclictest674-21dbus-daemon09:43:312
562199119,1cyclictest623-17sedispatch11:24:012
562199119,1cyclictest3785-21grep12:16:512
562199119,1cyclictest3424-21sshd12:31:012
5621991110,0cyclictest0-21swapper/210:43:322
5621991110,0cyclictest0-21swapper/207:55:222
562199110,10cyclictest11294-21lspci11:09:322
562199110,0cyclictest0-21swapper/212:13:412
562199110,0cyclictest0-21swapper/212:13:412
562199110,0cyclictest0-21swapper/210:02:112
5609991110,0cyclictest0-21swapper/110:34:071
5609991110,0cyclictest0-21swapper/109:30:061
560999110,10cyclictest0-21swapper/109:19:171
560099119,1cyclictest0-21swapper/009:48:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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