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2026-03-12 - 12:24
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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 rack1slot1.osadl.org (updated Thu Mar 12, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194042223156,53sleep30-21swapper/319:08:113
195432211172,26sleep10-21swapper/119:09:581
193682203162,27sleep20-21swapper/219:07:422
193142200161,25sleep00-21swapper/019:07:000
287742660,0sleep20-21swapper/223:34:472
17582640,0sleep00-21swapper/000:21:190
38862580,1sleep33887-21fschecks_count22:20:153
110942570,0sleep10-21swapper/121:05:151
19653991918,1cyclictest35-21ksoftirqd/322:50:003
19653991817,1cyclictest35-21ksoftirqd/321:30:133
19653991715,1cyclictest35-21ksoftirqd/322:00:123
19653991715,1cyclictest35-21ksoftirqd/319:30:003
1965399167,4cyclictest35-21ksoftirqd/323:50:173
19653991614,1cyclictest35-21ksoftirqd/320:20:153
19653991515,0cyclictest35-21ksoftirqd/323:05:143
19653991515,0cyclictest35-21ksoftirqd/321:45:113
19653991514,1cyclictest35-21ksoftirqd/319:50:193
19653991514,1cyclictest35-21ksoftirqd/300:23:233
1965399144,5cyclictest35-21ksoftirqd/300:15:113
19653991414,0cyclictest35-21ksoftirqd/321:15:213
19653991414,0cyclictest35-21ksoftirqd/320:15:163
19653991414,0cyclictest35-21ksoftirqd/300:10:133
19653991413,1cyclictest35-21ksoftirqd/322:13:493
19653991413,1cyclictest35-21ksoftirqd/319:30:153
1965399139,2cyclictest35-21ksoftirqd/321:00:163
19653991313,0cyclictest35-21ksoftirqd/323:20:103
19653991312,1cyclictest35-21ksoftirqd/322:55:103
19653991312,1cyclictest35-21ksoftirqd/321:20:203
19653991312,1cyclictest35-21ksoftirqd/300:34:063
19632991311,1cyclictest9-21ksoftirqd/022:35:000
19632991311,1cyclictest9-21ksoftirqd/022:00:000
1965399129,1cyclictest35-21ksoftirqd/300:40:003
1965399123,8cyclictest35-21ksoftirqd/323:10:103
19653991212,0cyclictest35-21ksoftirqd/323:28:003
19653991212,0cyclictest35-21ksoftirqd/322:53:053
19653991212,0cyclictest35-21ksoftirqd/319:15:203
19653991211,1cyclictest35-21ksoftirqd/323:55:163
19653991211,1cyclictest35-21ksoftirqd/321:58:143
19653991211,1cyclictest35-21ksoftirqd/321:30:003
19653991211,1cyclictest35-21ksoftirqd/320:45:113
19653991211,1cyclictest35-21ksoftirqd/320:30:193
19653991211,1cyclictest35-21ksoftirqd/320:30:003
19653991211,1cyclictest35-21ksoftirqd/320:05:163
19653991211,1cyclictest35-21ksoftirqd/300:00:093
19653991210,1cyclictest35-21ksoftirqd/320:40:123
19653991210,1cyclictest35-21ksoftirqd/319:20:113
19653991210,1cyclictest35-21ksoftirqd/319:15:003
19632991211,1cyclictest9-21ksoftirqd/022:10:010
19632991210,1cyclictest9-21ksoftirqd/021:20:010
1965399119,1cyclictest35-21ksoftirqd/320:35:183
1965399119,1cyclictest35-21ksoftirqd/300:25:173
1965399119,1cyclictest35-21ksoftirqd/300:05:133
19653991111,0cyclictest35-21ksoftirqd/322:40:163
19653991111,0cyclictest35-21ksoftirqd/321:40:003
19653991111,0cyclictest35-21ksoftirqd/319:35:113
19653991110,1cyclictest35-21ksoftirqd/323:20:003
19653991110,1cyclictest35-21ksoftirqd/322:15:243
19653991110,0cyclictest35-21ksoftirqd/323:00:183
1963299119,1cyclictest9-21ksoftirqd/020:55:000
1963299119,1cyclictest9-21ksoftirqd/019:55:100
1963299110,11cyclictest10002-21sh00:32:290
51892100,1sleep10-21swapper/119:45:151
1965399109,1cyclictest35-21ksoftirqd/322:32:363
1965399109,1cyclictest35-21ksoftirqd/321:50:143
1965399109,1cyclictest35-21ksoftirqd/321:10:143
1965399109,1cyclictest35-21ksoftirqd/319:50:003
1965399109,1cyclictest35-21ksoftirqd/319:40:103
1965399108,1cyclictest35-21ksoftirqd/322:35:193
1965399108,1cyclictest35-21ksoftirqd/322:05:173
1965399108,1cyclictest35-21ksoftirqd/321:00:003
1965399108,1cyclictest35-21ksoftirqd/320:50:133
1965399107,1cyclictest35-21ksoftirqd/322:24:593
1965399107,1cyclictest35-21ksoftirqd/321:05:013
19653991010,0cyclictest35-21ksoftirqd/323:44:153
19653991010,0cyclictest35-21ksoftirqd/323:39:013
19653991010,0cyclictest35-21ksoftirqd/321:44:563
1964999108,1cyclictest28-21ksoftirqd/219:35:002
1964999106,4cyclictest4050-21sh21:39:072
1964999106,3cyclictest28-21ksoftirqd/200:25:032
1963299109,1cyclictest9-21ksoftirqd/023:35:150
1963299109,1cyclictest9-21ksoftirqd/023:05:000
1963299109,1cyclictest9-21ksoftirqd/022:15:110
1963299109,1cyclictest9-21ksoftirqd/021:20:110
1963299109,1cyclictest9-21ksoftirqd/020:05:130
1963299109,1cyclictest9-21ksoftirqd/019:55:000
1963299109,1cyclictest9-21ksoftirqd/000:05:100
1963299109,1cyclictest561-21nscd20:15:140
1963299108,1cyclictest9-21ksoftirqd/021:15:010
1963299102,4cyclictest6949-21sort22:25:000
27536290,0sleep20-21swapper/200:14:162
196539998,1cyclictest35-21ksoftirqd/320:10:143
196539998,1cyclictest35-21ksoftirqd/320:05:003
196539998,1cyclictest35-21ksoftirqd/319:55:123
196539998,0cyclictest35-21ksoftirqd/323:30:123
196539997,1cyclictest35-21ksoftirqd/323:45:133
196329998,1cyclictest9-21ksoftirqd/021:50:180
196329998,1cyclictest9-21ksoftirqd/021:30:200
196329998,1cyclictest9-21ksoftirqd/019:30:000
196329998,1cyclictest9-21ksoftirqd/000:25:160
196329998,1cyclictest9-21ksoftirqd/000:00:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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