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2025-12-14 - 23:18
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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 Dec 14, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72932920,0sleep00-21swapper/012:38:440
38832720,0sleep30-21swapper/312:26:573
128162610,0sleep30-21swapper/312:33:303
129342560,0sleep20-21swapper/211:56:132
78822550,0sleep30-21swapper/309:51:133
84112520,0sleep38409-21lspci12:13:033
85012510,0sleep10-21swapper/111:47:011
281022510,0sleep3391rcuc/311:17:053
204892510,0sleep30-21swapper/310:47:363
178162510,1sleep117820-21bash11:19:061
255552490,0sleep30-21swapper/309:20:463
244332490,1sleep124430-21lspci12:17:171
142342490,0sleep0111rcuc/008:49:150
104142490,1sleep310417-21hwlatdetect11:06:553
79642480,0sleep00-21swapper/012:18:440
34172480,0sleep33415-21bash11:29:213
274452480,2sleep3969299cyclictest12:00:223
196632480,0sleep30-21swapper/309:41:133
99962470,0sleep00-21swapper/011:52:570
48252470,0sleep20-21swapper/210:17:242
253502470,0sleep30-21swapper/311:42:483
253502470,0sleep30-21swapper/311:42:483
247762460,0sleep10-21swapper/110:08:221
247762460,0sleep10-21swapper/110:08:211
194542450,1sleep20-21swapper/212:19:482
115802410,1sleep2311rcuc/211:01:172
844122710,14sleep00-21swapper/007:06:530
94272264,6sleep20-21swapper/207:08:112
78252265,7sleep30-21swapper/307:05:393
945022110,7sleep10-21swapper/107:08:261
255942210,0sleep10-21swapper/110:56:481
164012210,0sleep20-21swapper/212:33:492
967599200,11cyclictest19585-21sshd12:34:070
46062190,1sleep34605-21sshd10:54:543
247452180,0sleep00-21swapper/011:25:310
293752170,0sleep20-21swapper/210:01:222
133572170,2sleep1968299cyclictest09:24:491
130292170,0sleep00-21swapper/012:13:290
9675991610,5cyclictest1-21systemd11:34:260
967599160,1cyclictest29893-21grep12:29:160
86992160,0sleep20-21swapper/211:47:022
8602160,0sleep00-21swapper/010:05:370
8602160,0sleep00-21swapper/010:05:360
194252160,0sleep0111rcuc/009:29:440
157292160,0sleep10-21swapper/111:27:311
967599159,5cyclictest17726-21id11:39:170
230352150,0sleep10-21swapper/111:31:081
208522150,1sleep20-21swapper/208:58:462
187782150,0sleep11026-21sshd08:42:151
107482150,0sleep00-21swapper/012:21:540
967599149,4cyclictest622-13audispd10:10:370
95702140,0sleep30-21swapper/312:36:063
33472140,0sleep10-21swapper/110:34:371
321412140,0sleep10-21swapper/111:23:151
285852140,0sleep20-21swapper/210:12:352
209472140,0sleep00-21swapper/011:56:550
167872140,0sleep20-21swapper/209:48:252
968699130,12cyclictest0-21swapper/209:43:332
9675991311,1cyclictest22358-21sshd11:05:060
9675991310,2cyclictest12517-21bash10:35:270
22772130,0sleep20-21swapper/212:26:522
190012130,0sleep30-21swapper/311:48:003
9692991210,1cyclictest0-21swapper/310:19:273
9692991210,1cyclictest0-21swapper/309:14:163
969299120,1cyclictest13370-21sshd11:53:173
969299120,1cyclictest1108-21kernelversion08:06:563
969299120,11cyclictest29574-21lspci12:17:473
969299120,11cyclictest0-21swapper/311:58:063
9686991210,1cyclictest674-21dbus-daemon11:26:432
968699120,1cyclictest699-21gdbus12:21:142
968699120,11cyclictest27254-21grep10:28:032
968699120,11cyclictest0-21swapper/209:28:432
9682991210,1cyclictest29068-21bash10:51:191
9682991210,1cyclictest11538-21sshd09:51:391
968299120,11cyclictest2809-21lspci12:35:301
967599126,1cyclictest699-21gdbus09:32:490
967599126,1cyclictest4071-21grep10:20:170
967599125,1cyclictest649-21polkitd11:43:250
967599125,1cyclictest649-21polkitd11:43:240
967599124,4cyclictest17994-21munin-run10:00:000
967599124,2cyclictest674-21dbus-daemon12:06:120
967599120,1cyclictest8520-21grep12:04:260
88812120,1sleep28885-21grep10:35:052
66852120,0sleep20-21swapper/211:44:032
66852120,0sleep20-21swapper/211:44:022
321572120,1sleep332156-21sshd10:31:273
185312120,0sleep20-21swapper/209:56:182
969299119,1cyclictest11240-21sshd10:43:573
9692991110,0cyclictest0-21swapper/309:29:263
969299110,10cyclictest0-21swapper/309:19:273
969299110,10cyclictest0-21swapper/308:53:373
9686991110,0cyclictest0-21swapper/212:01:132
9686991110,0cyclictest0-21swapper/209:33:342
968699110,10cyclictest0-21swapper/210:52:132
968699110,10cyclictest0-21swapper/209:53:332
968699110,10cyclictest0-21swapper/208:12:132
968299119,1cyclictest699-21gdbus10:36:291
968299119,1cyclictest2561-21sshd09:16:091
968299119,1cyclictest0-21swapper/111:35:501
9682991110,0cyclictest0-21swapper/109:43:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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