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2025-12-30 - 03:46
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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 Tue Dec 30, 2025 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191112202148,42sleep10-21swapper/119:07:081
190442198158,27sleep30-21swapper/319:06:193
172222198159,26sleep20-21swapper/219:05:092
192072197159,24sleep00-21swapper/019:08:250
110222620,0sleep121-21ksoftirqd/121:05:151
19420991817,1cyclictest28-21ksoftirqd/221:40:192
19420991816,1cyclictest28-21ksoftirqd/221:25:232
19420991615,1cyclictest28-21ksoftirqd/200:30:212
19420991514,1cyclictest28-21ksoftirqd/221:35:002
19420991513,1cyclictest28-21ksoftirqd/223:40:012
19420991513,1cyclictest28-21ksoftirqd/222:59:592
19420991414,0cyclictest28-21ksoftirqd/223:50:182
19420991413,1cyclictest28-21ksoftirqd/223:10:132
19420991413,1cyclictest28-21ksoftirqd/222:05:162
19420991413,1cyclictest28-21ksoftirqd/200:05:142
19420991412,1cyclictest28-21ksoftirqd/220:30:092
19420991412,1cyclictest28-21ksoftirqd/220:05:002
19420991412,1cyclictest17033-21turbostat23:35:002
19420991411,1cyclictest28-21ksoftirqd/220:40:002
19420991313,0cyclictest28-21ksoftirqd/200:25:212
19420991312,1cyclictest28-21ksoftirqd/222:15:132
19420991312,1cyclictest28-21ksoftirqd/221:50:212
19420991312,1cyclictest28-21ksoftirqd/221:50:012
19420991312,1cyclictest28-21ksoftirqd/221:15:002
19420991312,1cyclictest28-21ksoftirqd/220:45:022
19420991312,1cyclictest28-21ksoftirqd/219:45:202
19420991312,1cyclictest28-21ksoftirqd/219:30:132
19420991312,1cyclictest28-21ksoftirqd/200:00:232
19420991311,1cyclictest28-21ksoftirqd/223:45:012
19420991311,1cyclictest28-21ksoftirqd/223:25:112
19420991311,1cyclictest28-21ksoftirqd/221:10:002
19420991311,1cyclictest28-21ksoftirqd/220:50:192
19420991311,1cyclictest28-21ksoftirqd/220:45:012
19420991311,1cyclictest28-21ksoftirqd/219:40:002
19420991311,1cyclictest28-21ksoftirqd/219:29:592
19420991311,1cyclictest28-21ksoftirqd/219:20:002
1940799130,12cyclictest0-21swapper/120:05:151
1942099126,4cyclictest1886-21kworker/2:119:52:312
19420991211,1cyclictest28-21ksoftirqd/222:30:002
19420991211,1cyclictest28-21ksoftirqd/220:55:012
19420991211,1cyclictest28-21ksoftirqd/220:10:002
19420991211,1cyclictest28-21ksoftirqd/219:55:152
19420991210,1cyclictest28-21ksoftirqd/222:45:012
19420991210,1cyclictest28-21ksoftirqd/221:05:002
19420991210,1cyclictest28-21ksoftirqd/200:40:012
19420991210,1cyclictest28-21ksoftirqd/200:15:002
1940399124,4cyclictest14709-21perf23:30:000
1942099119,1cyclictest28-21ksoftirqd/223:49:592
1942099119,1cyclictest28-21ksoftirqd/223:15:222
1942099119,1cyclictest28-21ksoftirqd/222:50:142
1942099119,1cyclictest28-21ksoftirqd/222:45:142
1942099119,1cyclictest28-21ksoftirqd/222:40:012
1942099119,1cyclictest28-21ksoftirqd/222:40:012
1942099119,1cyclictest28-21ksoftirqd/222:35:002
1942099119,1cyclictest28-21ksoftirqd/222:05:002
1942099119,1cyclictest28-21ksoftirqd/222:00:002
1942099119,1cyclictest28-21ksoftirqd/221:25:002
1942099119,1cyclictest28-21ksoftirqd/220:25:002
1942099119,1cyclictest28-21ksoftirqd/220:20:002
1942099119,1cyclictest28-21ksoftirqd/219:24:592
1942099119,1cyclictest28-21ksoftirqd/219:15:002
1942099116,4cyclictest28-21ksoftirqd/220:10:182
19420991111,0cyclictest28-21ksoftirqd/223:00:142
19420991110,1cyclictest28-21ksoftirqd/223:20:002
19420991110,1cyclictest28-21ksoftirqd/222:20:222
19420991110,1cyclictest28-21ksoftirqd/222:10:222
19420991110,1cyclictest28-21ksoftirqd/219:45:002
19420991110,1cyclictest28-21ksoftirqd/219:45:002
1940399119,1cyclictest9-21ksoftirqd/021:55:000
1940399119,1cyclictest9-21ksoftirqd/021:35:000
1940399119,1cyclictest9-21ksoftirqd/021:15:000
19403991110,1cyclictest9-21ksoftirqd/022:45:010
19403991110,1cyclictest9-21ksoftirqd/022:25:000
1942799100,3cyclictest0-21swapper/300:15:143
1942099109,1cyclictest28-21ksoftirqd/200:24:592
1942099109,1cyclictest28-21ksoftirqd/200:15:132
1942099108,1cyclictest28-21ksoftirqd/223:55:172
1942099108,1cyclictest28-21ksoftirqd/223:05:142
1942099108,1cyclictest28-21ksoftirqd/221:35:142
1942099108,1cyclictest28-21ksoftirqd/221:20:002
1942099108,1cyclictest28-21ksoftirqd/220:29:592
1940399109,1cyclictest9-21ksoftirqd/021:10:000
1940399108,1cyclictest9-21ksoftirqd/019:45:010
1940399108,1cyclictest9-21ksoftirqd/019:45:010
194279998,1cyclictest35-21ksoftirqd/319:20:003
194079990,5cyclictest0-21swapper/120:00:121
194039999,0cyclictest9-21ksoftirqd/023:35:000
194039997,1cyclictest9-21ksoftirqd/022:35:000
194039997,1cyclictest9-21ksoftirqd/020:55:000
194039995,2cyclictest240-21systemd-journal19:29:590
194039991,4cyclictest6787-21latency_hist19:50:010
194279987,1cyclictest35-21ksoftirqd/322:00:003
194279986,1cyclictest707-21snmpd23:57:573
194279986,1cyclictest707-21snmpd22:17:213
194279986,1cyclictest707-21snmpd00:22:523
194279982,5cyclictest707-21snmpd21:46:213
194279980,6cyclictest0-21swapper/319:40:113
194279980,6cyclictest0-21swapper/319:40:113
194079980,7cyclictest0-21swapper/119:20:151
194079980,6cyclictest0-21swapper/120:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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