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2025-12-15 - 15:18
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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 50 highest latencies:
System rack5slot0.osadl.org (updated Mon Dec 15, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17549211438,47sleep10-21swapper/107:06:291
1768429536,47sleep30-21swapper/307:08:133
273682840,3sleep01808799cyclictest11:20:230
130312780,0sleep00-21swapper/008:10:110
191602750,3sleep10-21swapper/108:43:321
124902750,1sleep20-21swapper/209:52:302
13862650,1sleep30-21swapper/308:28:053
77802620,3sleep31809099cyclictest12:06:413
1768126037,11sleep00-21swapper/007:08:090
1754026037,10sleep20-21swapper/207:06:232
94172530,4sleep20-21swapper/210:22:272
183432350,0sleep03-21ksoftirqd/009:54:360
158912350,0sleep215892-21sshd10:35:092
189222300,3sleep01808799cyclictest10:25:210
1808799284,23cyclictest41ktimersoftd/010:40:000
113802260,3sleep30-21swapper/310:54:413
178362250,3sleep20-21swapper/211:49:172
118242250,2sleep20-21swapper/209:31:422
1808899240,23cyclictest137550irq/27-eth008:27:061
108272220,1sleep00-21swapper/011:05:000
182802210,0sleep00-21swapper/012:10:150
18090992119,1cyclictest0-21swapper/308:45:133
18087992110,10cyclictest0-21swapper/009:59:430
175972210,1sleep20-21swapper/211:17:242
153472210,2sleep10-21swapper/108:22:181
247292200,1sleep30-21swapper/310:27:213
1808799201,12cyclictest0-21swapper/010:58:220
1808799198,10cyclictest0-21swapper/011:08:250
1808799197,1cyclictest0-21swapper/011:26:110
18087991915,3cyclictest27288-21kworker/0:110:42:380
1808799190,7cyclictest0-21swapper/010:03:160
1808799190,6cyclictest0-21swapper/011:50:190
1808799190,5cyclictest0-21swapper/012:06:020
1808799190,1cyclictest0-21swapper/009:45:160
1808799190,17cyclictest0-21swapper/012:01:520
1808799190,16cyclictest4968-21sshd10:10:280
201872180,2sleep30-21swapper/308:14:023
1809099185,1cyclictest5090-21sshd11:55:193
1808999180,16cyclictest0-21swapper/208:18:302
1808899180,16cyclictest0-21swapper/111:07:261
1808799188,5cyclictest0-21swapper/008:57:170
1808799188,5cyclictest0-21swapper/008:57:170
1808799187,9cyclictest0-21swapper/008:35:400
1808799187,2cyclictest24136-21sshd10:48:060
1808799180,17cyclictest0-21swapper/008:52:240
1808799180,16cyclictest32616-21sshd11:11:400
1808799180,12cyclictest0-21swapper/008:47:170
1808799180,11cyclictest0-21swapper/009:11:250
255882170,6sleep110850irq/23-ehci_hcd10:27:401
1809099175,11cyclictest18476-21fschecks_count07:10:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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