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2026-04-23 - 16:22
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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 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243852960,0sleep024361-21sshd11:10:470
6662890,2sleep21517799cyclictest09:33:252
124442880,0sleep0642-21systemd-logind10:14:040
211892800,0sleep30-21swapper/311:01:133
235812750,2sleep31518399cyclictest10:42:553
174332730,2sleep01516699cyclictest09:15:480
252322720,0sleep10-21swapper/110:55:221
289342560,0sleep20-21swapper/210:58:562
228562560,1sleep11-21systemd11:26:111
85852550,0sleep10-21swapper/110:50:421
24932550,0sleep10-21swapper/109:29:511
63492540,1sleep2674-21dbus-daemon12:14:062
323032540,0sleep30-21swapper/311:24:053
317192540,0sleep20-21swapper/210:37:302
317192540,0sleep20-21swapper/210:37:292
120702540,0sleep00-21swapper/011:43:440
16032530,0sleep00-21swapper/010:09:590
230492520,0sleep00-21swapper/010:18:080
239892510,0sleep20-21swapper/211:20:112
206942510,0sleep220695-21bash10:24:072
273912500,0sleep20-21swapper/209:13:102
203112500,0sleep020289-21sshd10:24:050
74592490,0sleep00-21swapper/011:52:340
253832490,0sleep20-21swapper/210:43:062
143862490,0sleep00-21swapper/010:57:300
297582480,0sleep029754-21lspci11:57:460
171412480,0sleep317124-21lspci11:10:113
68702470,0sleep06866-21sshd12:17:130
133812470,0sleep30-21swapper/312:35:053
150282460,0sleep00-21swapper/009:49:410
121672460,0sleep10-21swapper/111:19:011
160112450,0sleep20-21swapper/212:29:452
159442420,1sleep215943-21sshd11:47:102
217972400,0sleep20-21swapper/211:19:592
132842308,7sleep10-21swapper/107:05:101
149262287,7sleep00-21swapper/007:08:130
1474622210,7sleep30-21swapper/307:05:553
138642220,0sleep10-21swapper/111:12:581
143412218,7sleep20-21swapper/207:05:182
141462200,0sleep10-21swapper/109:55:391
9522190,0sleep20-21swapper/210:15:582
56122190,2sleep11517299cyclictest11:55:221
134302170,0sleep00-21swapper/011:09:510
92812160,0sleep00-21swapper/010:41:320
211662160,0sleep30-21swapper/309:35:103
159672160,0sleep30-21swapper/310:54:363
139692160,0sleep1231rcuc/110:14:141
115552160,0sleep10-21swapper/112:08:241
304462150,0sleep30-21swapper/312:33:453
180162150,0sleep10-21swapper/112:18:181
176062150,0sleep00-21swapper/010:02:110
45472140,0sleep20-21swapper/212:16:582
223152140,0sleep20-21swapper/209:24:242
19852140,0sleep00-21swapper/012:39:430
157562140,1sleep10-21swapper/109:37:241
79402130,0sleep00-21swapper/011:15:240
302782130,0sleep10-21swapper/110:06:281
299462130,0sleep10-21swapper/110:49:471
253632130,0sleep00-21swapper/011:26:260
250592130,0sleep00-21swapper/011:04:480
191342130,0sleep319108-21sshd09:20:043
161882130,0sleep20-21swapper/209:15:382
114842130,0sleep30-21swapper/310:29:253
3992120,0sleep10-21swapper/112:31:071
15183991210,1cyclictest17989-21sshd09:15:533
15183991210,1cyclictest13636-21lspci10:17:133
1518399120,1cyclictest8539-21sshd10:38:243
1518399120,1cyclictest8539-21sshd10:38:233
15177991212,0cyclictest527-40kipmi007:58:542
15177991210,1cyclictest321ktimersoftd/209:29:552
15177991210,1cyclictest30205-21grep11:14:342
1517799120,0cyclictest0-21swapper/212:09:432
15172991210,1cyclictest674-21dbus-daemon10:44:451
15172991210,1cyclictest0-21swapper/110:27:061
1517299120,11cyclictest622-13audispd11:43:051
1517299120,11cyclictest1-21systemd10:18:351
1517299120,11cyclictest0-21swapper/111:33:451
1517299120,11cyclictest0-21swapper/109:11:551
1517299120,11cyclictest0-21swapper/107:10:251
15166991210,1cyclictest27583-21sshd12:13:010
1516699120,1cyclictest24144-21sshd10:30:310
1518399119,1cyclictest4140-21bash10:47:143
1518399119,1cyclictest0-21swapper/311:50:143
1518399117,1cyclictest15884-21bash11:56:243
1518399110,10cyclictest0-21swapper/312:17:043
1518399110,10cyclictest0-21swapper/311:26:433
1518399110,10cyclictest0-21swapper/310:24:333
1517799119,1cyclictest7140-21lspci11:06:042
1517799119,1cyclictest0-21swapper/210:32:332
1517799116,1cyclictest33-21ksoftirqd/210:06:042
15177991110,0cyclictest0-21swapper/210:45:142
15177991110,0cyclictest0-21swapper/208:50:132
1517799110,10cyclictest0-21swapper/212:35:032
1517799110,0cyclictest0-21swapper/211:58:132
1517799110,0cyclictest0-21swapper/210:51:432
1517299119,1cyclictest9465-21bash11:52:461
1517299117,2cyclictest15755-21sshd10:35:551
1517299117,2cyclictest15755-21sshd10:35:551
15166991110,0cyclictest0-21swapper/012:33:210
15166991110,0cyclictest0-21swapper/012:02:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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