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2025-11-26 - 05:22
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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 Wed Nov 26, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137592209158,26sleep00-21swapper/019:09:100
137132207170,24sleep10-21swapper/119:08:341
137312202162,27sleep20-21swapper/219:08:472
135942197158,26sleep30-21swapper/319:07:043
2698621080,0sleep00-21swapper/020:40:200
168672930,0sleep228-21ksoftirqd/222:05:212
258172670,0sleep00-21swapper/021:35:120
13906991918,1cyclictest9-21ksoftirqd/021:50:000
69142170,0sleep30-21swapper/320:00:143
240442150,0sleep30-21swapper/323:00:213
1392999130,7cyclictest570-21systemd-logind22:05:213
1392299130,1cyclictest0-21swapper/200:00:222
13906991312,1cyclictest9-21ksoftirqd/023:30:170
50022120,0sleep20-21swapper/221:50:152
13929991211,1cyclictest30548-21interrupts23:10:163
13906991211,1cyclictest9-21ksoftirqd/022:15:140
13906991211,1cyclictest9-21ksoftirqd/021:50:000
13906991211,1cyclictest9-21ksoftirqd/021:15:200
13906991210,1cyclictest9-21ksoftirqd/021:40:140
98642110,0sleep00-21swapper/000:12:010
253592110,0sleep07028-21diskmemload23:49:300
1392999119,1cyclictest35-21ksoftirqd/323:20:003
13906991110,0cyclictest262222sleep019:30:360
1390699110,2cyclictest7028-21diskmemload00:15:120
1392999109,1cyclictest35-21ksoftirqd/322:00:133
1392999109,1cyclictest35-21ksoftirqd/320:55:003
1392299109,1cyclictest28-21ksoftirqd/200:05:492
1392299108,1cyclictest28-21ksoftirqd/220:20:002
1392299108,1cyclictest28-21ksoftirqd/219:50:002
1390699109,1cyclictest9-21ksoftirqd/022:25:140
1390699109,1cyclictest9-21ksoftirqd/021:55:180
1390699109,1cyclictest9-21ksoftirqd/021:15:000
1390699109,1cyclictest15958-21sshd19:11:400
1390699109,0cyclictest9-21ksoftirqd/023:15:010
13906991010,0cyclictest9-21ksoftirqd/023:00:220
139299998,1cyclictest35-21ksoftirqd/321:00:013
139299998,1cyclictest35-21ksoftirqd/320:00:013
139299997,1cyclictest35-21ksoftirqd/319:25:003
139299990,4cyclictest0-21swapper/323:05:233
139229999,0cyclictest28-21ksoftirqd/222:42:192
139229998,1cyclictest28-21ksoftirqd/223:06:302
139229990,1cyclictest25016-21ssh23:02:372
139149998,1cyclictest21-21ksoftirqd/122:42:571
139069999,0cyclictest9-21ksoftirqd/023:20:210
139069998,1cyclictest9-21ksoftirqd/019:29:590
139069997,1cyclictest9-21ksoftirqd/021:25:120
139069997,1cyclictest9-21ksoftirqd/019:59:410
139069993,5cyclictest20385-21latency_hist20:29:590
139069990,4cyclictest7553-21apt-get23:25:010
139299988,0cyclictest35-21ksoftirqd/322:10:183
139299987,1cyclictest35-21ksoftirqd/323:35:003
139299987,1cyclictest35-21ksoftirqd/323:25:003
139299987,1cyclictest35-21ksoftirqd/321:25:003
139299986,1cyclictest35-21ksoftirqd/322:45:003
139299986,1cyclictest35-21ksoftirqd/320:40:003
139299983,4cyclictest819-21lldpd19:38:223
139229988,0cyclictest0-21swapper/223:45:262
139229987,1cyclictest28-21ksoftirqd/222:14:362
139229986,2cyclictest255142sleep220:40:082
139229986,1cyclictest8189-21cat21:10:182
139229986,1cyclictest60950irq/123-eno100:37:362
139229986,1cyclictest27060-21cat22:20:172
139229986,1cyclictest19546-21cut20:25:192
139229984,2cyclictest254-21systemd-journal20:55:002
139229980,8cyclictest0-21swapper/200:13:102
139229980,5cyclictest254-21systemd-journal20:15:012
139229980,0cyclictest0-21swapper/220:20:172
139149981,4cyclictest0-21swapper/122:15:281
139149980,8cyclictest0-21swapper/123:05:161
139149980,7cyclictest0-21swapper/122:45:101
139149980,4cyclictest0-21swapper/100:24:561
139069988,0cyclictest9-21ksoftirqd/000:20:180
139069987,1cyclictest9-21ksoftirqd/022:30:180
139069987,1cyclictest9-21ksoftirqd/021:10:000
139069982,5cyclictest26147-21/usr/sbin/munin22:20:160
139069982,4cyclictest11659-21apt-get22:45:100
139069981,4cyclictest18794-21cut22:10:000
139069980,7cyclictest7244-21ssh22:38:120
139069980,7cyclictest31256-21ssh23:55:440
139069980,7cyclictest27963-21ssh23:05:410
139069980,7cyclictest24035-21ssh21:30:450
139069980,7cyclictest19119-21aten_r1power_fr22:10:150
139069980,7cyclictest11726-21ssh22:00:070
139299976,1cyclictest557-21nscd00:19:003
139299975,1cyclictest7028-21diskmemload22:16:133
139299975,1cyclictest35-21ksoftirqd/320:35:003
139299975,1cyclictest32385-21ssh23:59:223
139299974,2cyclictest4554-21apt22:35:123
139299974,1cyclictest35-21ksoftirqd/319:52:363
139299974,1cyclictest35-21ksoftirqd/319:45:363
139299973,2cyclictest7292-21apt-get21:10:123
139299973,2cyclictest254-21systemd-journal19:30:353
139299971,5cyclictest8046-21apt-get23:25:123
139299970,5cyclictest0-21swapper/322:54:133
139299970,4cyclictest0-21swapper/323:39:143
139299970,3cyclictest0-21swapper/322:25:313
139299970,3cyclictest0-21swapper/300:05:123
139229977,0cyclictest28-21ksoftirqd/220:01:412
139229976,1cyclictest60950irq/123-eno123:55:122
139229976,1cyclictest60950irq/123-eno123:53:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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