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2025-11-22 - 03:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot1.osadl.org (updated Sat Nov 22, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2230021330,0sleep20-21swapper/221:20:452
1894121110,2sleep6194499cyclictest20:56:466
3027821070,2sleep430279-21hddtemp_smartct18:58:034
100792760,1sleep410048-21snmp_nas.osadl.23:13:024
158082650,1sleep450-21rcuc/400:03:014
18692640,0sleep50-21swapper/521:28:095
264372630,1sleep426347-21DefaultUDPTrans22:43:064
313302620,0sleep10-21swapper/121:06:581
308262580,0sleep10-21swapper/119:29:331
27342580,0sleep00-21swapper/020:08:010
192042570,0sleep00-21swapper/000:14:190
192042570,0sleep00-21swapper/000:14:190
30925421,17sleep30-21swapper/319:00:353
257202520,0sleep60-21swapper/621:23:056
38232470,2sleep125-21ksoftirqd/123:08:181
38232470,2sleep125-21ksoftirqd/123:08:181
3274923623,7sleep60-21swapper/619:00:306
3234323624,7sleep10-21swapper/118:59:131
3233023623,7sleep50-21swapper/518:59:095
30623624,7sleep20-21swapper/219:00:342
3228723523,7sleep00-21swapper/018:59:040
3152623522,7sleep70-21swapper/718:58:397
192999300,1cyclictest0-21swapper/219:39:162
192999275,15cyclictest34-21ksoftirqd/223:19:292
1945992511,1cyclictest0-21swapper/722:03:057
1942992512,12cyclictest0-21swapper/419:38:034
34612220,1sleep10-21swapper/123:28:131
1929992213,3cyclictest9456-21kworker/2:121:14:012
192999220,20cyclictest18656-21QueuingRrdStrat22:29:172
125392220,0sleep10-21swapper/122:54:081
1929992111,5cyclictest2465-21openvpn00:08:492
1941992010,9cyclictest0-21swapper/321:58:213
1929992016,3cyclictest331ktimersoftd/220:13:052
1929992015,4cyclictest9936-21kworker/2:023:16:292
1929992013,5cyclictest11-21rcu_preempt21:09:212
192999200,16cyclictest22942-21AlarmLifecycleL23:44:432
1929991912,3cyclictest23353-21pool-14-thread-23:39:032
1945991814,1cyclictest0-21swapper/700:28:587
194299180,13cyclictest0-21swapper/422:17:294
194299180,13cyclictest0-21swapper/422:17:294
194299180,12cyclictest0-21swapper/421:12:274
194299180,12cyclictest0-21swapper/420:15:214
192999189,3cyclictest32-21rcuc/221:24:032
192999185,12cyclictest0-21swapper/220:37:462
1929991815,2cyclictest0-21swapper/221:48:072
1929991815,1cyclictest32-21rcuc/221:05:572
1929991814,3cyclictest0-21swapper/220:59:332
1929991814,3cyclictest0-21swapper/220:59:332
1929991814,2cyclictest0-21swapper/223:04:572
1929991812,4cyclictest32-21rcuc/222:23:152
192999181,13cyclictest34-21ksoftirqd/222:48:132
1929991811,3cyclictest2465-21openvpn00:04:132
192999180,1cyclictest22429-21C211:34:452
174182180,1sleep777-21rcuc/723:37:487
194399174,7cyclictest22772-21JNI-ICMP-16081-23:39:355
194399170,16cyclictest0-21swapper/520:22:565
194299170,15cyclictest15676-21JNI-ICMP-7292-S23:25:054
192999179,6cyclictest34-21ksoftirqd/223:34:412
192999178,8cyclictest2461-21openvpn22:58:092
192999178,3cyclictest16683-21Collectd-Thread21:28:152
1929991715,1cyclictest34-21ksoftirqd/223:09:242
1929991715,1cyclictest34-21ksoftirqd/223:09:242
1929991715,1cyclictest34-21ksoftirqd/222:09:232
1929991715,1cyclictest34-21ksoftirqd/219:58:552
1929991715,1cyclictest331ktimersoftd/220:29:192
1929991715,1cyclictest331ktimersoftd/220:29:192
1929991715,1cyclictest0-21swapper/223:23:412
1929991715,1cyclictest0-21swapper/222:37:212
1929991714,2cyclictest20664-21kworker/2:223:30:412
1929991714,2cyclictest14150irq/24-ahci[00020:18:192
1929991714,2cyclictest0-21swapper/219:13:582
1929991714,1cyclictest14150irq/24-ahci[00022:39:492
1929991714,1cyclictest0-21swapper/220:44:372
1929991713,3cyclictest0-21swapper/219:53:052
1929991713,2cyclictest32398-21kworker/2:020:11:552
1929991712,4cyclictest0-21swapper/223:58:272
1929991712,4cyclictest0-21swapper/219:03:522
1929991712,1cyclictest15971-21JNI-ICMP-24987-22:47:272
192999170,1cyclictest16372-21Poller-Thread-219:24:312
192999170,13cyclictest9257-21kworker/2:019:28:102
194399165,6cyclictest16416-21Timer-50752619:16:135
1943991614,1cyclictest0-21swapper/520:15:165
1942991614,1cyclictest0-21swapper/420:58:034
1942991614,1cyclictest0-21swapper/420:58:034
1942991613,2cyclictest13514-21cat19:13:074
194299161,14cyclictest24126-21JNI-ICMP-18984-00:32:314
194299161,13cyclictest24618-21httpd23:39:174
194299160,15cyclictest0-21swapper/421:38:194
194299160,15cyclictest0-21swapper/421:32:574
194299160,14cyclictest0-21swapper/423:47:284
192999167,5cyclictest331ktimersoftd/219:43:112
192999166,9cyclictest9456-21kworker/2:121:43:132
192999166,5cyclictest32-21rcuc/220:48:012
192999164,10cyclictest34-21ksoftirqd/200:28:532
1929991614,1cyclictest32-21rcuc/220:23:152
1929991614,1cyclictest26625-21kworker/2:100:19:132
1929991614,1cyclictest0-21swapper/223:55:272
1929991614,1cyclictest0-21swapper/221:33:112
1929991614,0cyclictest0-21swapper/223:50:472
1929991613,2cyclictest34-21ksoftirqd/222:04:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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