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2025-12-03 - 06:02
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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 rack1slot1.osadl.org (updated Wed Dec 03, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85572224157,53sleep20-21swapper/219:05:102
106002209157,26sleep30-21swapper/319:09:103
83152207156,25sleep00-21swapper/019:05:000
104792203164,26sleep10-21swapper/119:07:351
65172670,0sleep10-21swapper/120:05:131
11492640,0sleep00-21swapper/021:48:460
136252200,1sleep24870-21diskmemload22:05:182
202892150,0sleep04870-21diskmemload22:15:160
10774991413,1cyclictest9-21ksoftirqd/023:40:140
10774991412,1cyclictest9-21ksoftirqd/020:00:000
10807991211,1cyclictest35-21ksoftirqd/319:25:003
10807991211,1cyclictest35-21ksoftirqd/300:00:133
10807991210,1cyclictest35-21ksoftirqd/322:40:153
1079599129,1cyclictest28-21ksoftirqd/220:20:002
10795991210,1cyclictest28-21ksoftirqd/200:30:002
1079599120,12cyclictest0-21swapper/223:55:302
1079599120,12cyclictest0-21swapper/223:21:582
10774991211,1cyclictest9-21ksoftirqd/022:40:000
10774991210,1cyclictest950ksoftirqd/019:55:000
10774991210,1cyclictest9-21ksoftirqd/022:30:000
10774991210,1cyclictest9-21ksoftirqd/022:00:000
1077499120,9cyclictest0-21swapper/019:25:210
1080799119,1cyclictest35-21ksoftirqd/321:50:003
10807991111,0cyclictest35-21ksoftirqd/322:10:183
10807991111,0cyclictest0-21swapper/319:26:053
10807991110,1cyclictest9160-21grep22:45:163
10807991110,1cyclictest35-21ksoftirqd/323:05:213
10807991110,1cyclictest35-21ksoftirqd/322:05:143
10807991110,1cyclictest35-21ksoftirqd/320:35:193
10807991110,1cyclictest35-21ksoftirqd/320:30:143
10807991110,1cyclictest35-21ksoftirqd/300:30:163
10795991110,1cyclictest60950irq/123-eno122:23:052
1077499119,1cyclictest9-21ksoftirqd/021:15:010
1077499110,10cyclictest4870-21diskmemload22:34:500
1077499110,10cyclictest0-21swapper/020:20:130
1077499110,10cyclictest0-21swapper/020:20:120
1080799109,1cyclictest35-21ksoftirqd/323:50:233
1080799109,1cyclictest35-21ksoftirqd/300:35:133
1080799109,1cyclictest35-21ksoftirqd/300:25:213
1080799109,0cyclictest35-21ksoftirqd/323:00:163
1080799108,1cyclictest35-21ksoftirqd/322:55:203
1080799108,1cyclictest35-21ksoftirqd/322:20:213
1080799108,1cyclictest35-21ksoftirqd/322:00:213
1080799108,1cyclictest35-21ksoftirqd/321:50:213
1080799108,1cyclictest35-21ksoftirqd/319:50:183
10807991010,0cyclictest35-21ksoftirqd/323:10:153
10807991010,0cyclictest35-21ksoftirqd/323:10:153
10807991010,0cyclictest35-21ksoftirqd/321:55:163
10807991010,0cyclictest35-21ksoftirqd/321:30:133
1080799100,4cyclictest1275-21apt-get22:35:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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