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2026-06-23 - 01:54
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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 Jun 23, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164562210159,25sleep30-21swapper/319:09:533
164142208174,22sleep10-21swapper/119:09:171
163632202158,25sleep20-21swapper/219:08:392
162542197157,26sleep00-21swapper/019:07:120
30772730,0sleep121-21ksoftirqd/123:10:401
326472640,2sleep09-21ksoftirqd/022:24:290
235422170,0sleep00-21swapper/019:20:180
1655799170,16cyclictest0-21swapper/000:00:220
319012140,0sleep00-21swapper/019:40:120
319012140,0sleep00-21swapper/019:40:110
16557991312,1cyclictest9-21ksoftirqd/023:40:010
1655799129,1cyclictest9-21ksoftirqd/020:05:000
1655799123,4cyclictest27412-21date00:30:010
16557991210,1cyclictest9-21ksoftirqd/022:50:110
16557991210,1cyclictest9-21ksoftirqd/022:45:120
16557991210,1cyclictest9-21ksoftirqd/021:30:000
16557991210,1cyclictest9-21ksoftirqd/021:10:000
16575991110,1cyclictest28-21ksoftirqd/222:52:472
1655799119,1cyclictest9-21ksoftirqd/020:05:000
1655799112,4cyclictest3521-21perf21:45:010
253382100,0sleep30-21swapper/322:58:013
1657599104,5cyclictest31405-21taskset23:05:202
1657599102,2cyclictest0-21swapper/200:05:142
1655799109,1cyclictest9-21ksoftirqd/023:50:140
1655799109,1cyclictest9-21ksoftirqd/023:45:140
1655799109,1cyclictest9-21ksoftirqd/023:15:110
1655799109,1cyclictest9-21ksoftirqd/023:10:200
1655799109,1cyclictest9-21ksoftirqd/021:35:200
1655799109,1cyclictest9-21ksoftirqd/000:30:160
1655799108,1cyclictest9-21ksoftirqd/023:05:000
1655799108,1cyclictest9-21ksoftirqd/020:55:010
1655799108,1cyclictest9-21ksoftirqd/020:15:000
1655799100,6cyclictest17307-21ssh21:20:110
165839990,8cyclictest12889-21sshd21:14:223
165839990,8cyclictest11085-21apt-config20:05:003
165759999,0cyclictest28-21ksoftirqd/200:27:382
165759998,1cyclictest28-21ksoftirqd/222:20:122
165579999,0cyclictest9-21ksoftirqd/022:10:110
165579999,0cyclictest9-21ksoftirqd/000:06:260
165579998,1cyclictest9-21ksoftirqd/022:30:000
165579998,1cyclictest9-21ksoftirqd/021:15:180
165579997,1cyclictest9-21ksoftirqd/022:30:130
165579997,1cyclictest9-21ksoftirqd/021:15:000
165579997,1cyclictest9-21ksoftirqd/020:25:000
165579997,1cyclictest9-21ksoftirqd/000:10:130
165579991,6cyclictest240-21systemd-journal23:30:570
165579991,6cyclictest240-21systemd-journal23:30:570
165839987,1cyclictest8238-21gltestperf21:05:173
165839987,1cyclictest561-21nscd23:25:383
165839984,2cyclictest16549-21cyclictest21:54:323
165839981,5cyclictest0-21swapper/300:00:213
165839980,5cyclictest27688-21/usr/sbin/munin23:45:143
165839980,2cyclictest0-21swapper/322:15:573
165759987,1cyclictest28-21ksoftirqd/222:32:372
165759986,1cyclictest61650irq/122-eno121:30:002
165759985,1cyclictest61650irq/122-eno122:36:442
165759981,6cyclictest18955-21munin-node23:37:392
165679980,4cyclictest0-21swapper/100:10:161
165579987,1cyclictest9-21ksoftirqd/023:20:180
165579987,1cyclictest9-21ksoftirqd/023:05:140
165579987,1cyclictest9-21ksoftirqd/021:45:100
165579987,1cyclictest9-21ksoftirqd/000:20:180
165579986,1cyclictest9-21ksoftirqd/019:30:000
165579981,6cyclictest17931-21ssh00:15:190
165579980,7cyclictest25585-21ssh21:30:130
165579980,7cyclictest11649-21ssh22:40:090
8330270,0sleep00-21swapper/022:35:140
26921270,0sleep20-21swapper/220:35:172
22465270,0sleep30-21swapper/323:38:263
165839976,1cyclictest31129-21ntpq23:05:183
165839976,1cyclictest14261-21sh21:59:073
165839975,1cyclictest7963-21ssh22:35:073
165839975,1cyclictest5142-21aten_r1power_cu21:00:123
165839975,1cyclictest23579-21ssh00:24:393
165839975,1cyclictest19589-21ssh21:21:393
165839975,1cyclictest16340-21ssh21:18:223
165839975,1cyclictest12629-21ssh00:09:433
165839972,4cyclictest9602-21diskmemload21:30:163
165839972,3cyclictest9602-21diskmemload23:10:143
165839970,5cyclictest0-21swapper/322:50:103
165839970,5cyclictest0-21swapper/320:20:003
165839970,1cyclictest0-21swapper/319:55:143
165759977,0cyclictest0-21swapper/221:17:582
165759976,1cyclictest7155-21sensors00:00:212
165759976,1cyclictest61650irq/122-eno123:40:572
165759976,1cyclictest61650irq/122-eno122:45:212
165759976,1cyclictest61650irq/122-eno122:09:482
165759976,1cyclictest61650irq/122-eno121:41:282
165759976,1cyclictest61650irq/122-eno121:13:122
165759976,1cyclictest61650irq/122-eno119:55:112
165759976,1cyclictest61650irq/122-eno119:50:212
165759976,1cyclictest61650irq/122-eno119:10:132
165759976,1cyclictest61650irq/122-eno100:37:042
165759976,0cyclictest61650irq/122-eno123:56:192
165759976,0cyclictest61650irq/122-eno123:25:482
165759976,0cyclictest61650irq/122-eno123:15:192
165759975,1cyclictest9633-21ntpq23:20:172
165759975,1cyclictest61650irq/122-eno123:50:202
165759975,1cyclictest61650irq/122-eno123:30:122
165759975,1cyclictest61650irq/122-eno123:30:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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