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2025-12-03 - 07:12
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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 Wed Dec 03, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120182730,0sleep70-21swapper/720:32:327
253132710,3sleep11770499cyclictest21:51:331
290382670,0sleep60-21swapper/623:50:506
290382670,0sleep60-21swapper/623:50:506
174722670,2sleep013-21rcuc/022:26:000
160232660,0sleep10-21swapper/123:42:521
35732630,0sleep10-21swapper/119:52:281
52602610,0sleep70-21swapper/721:38:497
16812590,0sleep60-21swapper/621:17:256
1633224827,4sleep00-21swapper/019:00:290
1633224827,4sleep00-21swapper/019:00:290
1551824520,7sleep70-21swapper/718:59:087
1551824520,7sleep70-21swapper/718:59:087
1557524220,17sleep10-21swapper/118:59:181
1557524220,17sleep10-21swapper/118:59:181
1640324129,7sleep40-21swapper/419:00:414
1640324129,7sleep40-21swapper/419:00:414
1644923926,8sleep30-21swapper/319:00:483
1644923926,8sleep30-21swapper/319:00:483
1550923927,7sleep60-21swapper/618:59:076
1550923927,7sleep60-21swapper/618:59:076
1679223826,7sleep20-21swapper/219:01:272
1679223826,7sleep20-21swapper/219:01:272
1670223624,7sleep50-21swapper/519:01:145
1670223624,7sleep50-21swapper/519:01:145
267682220,0sleep70-21swapper/723:49:237
267682220,0sleep70-21swapper/723:49:237
219992220,0sleep00-21swapper/019:37:290
1770499220,18cyclictest0-21swapper/122:18:321
1770499220,18cyclictest0-21swapper/122:16:361
17706992112,5cyclictest2465-21openvpn00:15:492
125892210,0sleep70-21swapper/721:04:127
255162200,0sleep40-21swapper/420:12:424
1770499204,15cyclictest0-21swapper/100:18:011
1770499203,15cyclictest21159-21kworker/1:121:19:001
17704992018,1cyclictest25-21ksoftirqd/122:31:481
95492190,0sleep50-21swapper/500:22:385
1770499192,16cyclictest0-21swapper/123:11:311
1770499192,15cyclictest23-21rcuc/121:42:261
1770499192,15cyclictest23-21rcuc/121:42:261
17704991914,4cyclictest18368-21kworker/1:120:09:181
17704991914,4cyclictest0-21swapper/119:08:261
1770499190,1cyclictest0-21swapper/120:46:421
1770399190,14cyclictest12381-21GC11:34:450
112532190,1sleep50-21swapper/519:27:255
228222180,0sleep40-21swapper/400:28:054
17710991816,1cyclictest0-21swapper/622:56:096
17710991816,1cyclictest0-21swapper/622:56:096
17707991816,1cyclictest0-21swapper/322:51:093
17706991813,3cyclictest25432-21dhcpd22:49:222
1770699181,14cyclictest3494-21snmp_nas.osadl.21:57:242
1770499182,15cyclictest13127-21Poller-Thread-222:34:081
17704991816,1cyclictest25-21ksoftirqd/121:06:441
17704991816,1cyclictest0-21swapper/123:36:211
17704991814,3cyclictest23-21rcuc/122:56:211
17704991814,3cyclictest23-21rcuc/122:56:211
17704991814,3cyclictest11902-21diskstats23:02:231
17704991814,1cyclictest0-21swapper/123:14:211
17703991816,1cyclictest0-21swapper/000:11:100
1963921714,1sleep522809-21kworker/5:120:40:005
1771299174,5cyclictest12408-21JNI-ICMP-9826-S22:50:447
1770899174,7cyclictest12699-21JNI-ICMP-6071-S22:40:214
1770899170,1cyclictest0-21swapper/419:36:084
1770799170,1cyclictest421ktimersoftd/322:42:043
1770499172,14cyclictest0-21swapper/119:02:381
17704991715,1cyclictest13374-21Collectd-Thread23:29:411
17704991715,1cyclictest0-21swapper/123:58:131
17704991715,1cyclictest0-21swapper/121:15:261
17704991715,1cyclictest0-21swapper/121:08:221
17704991714,2cyclictest0-21swapper/100:25:131
17704991713,3cyclictest9877-21pool-14-thread-19:27:461
17704991713,3cyclictest31485-21kworker/1:220:57:021
17704991713,3cyclictest17770-21kworker/1:200:27:331
17704991713,3cyclictest12354-21GC11:34:451
17704991712,4cyclictest0-21swapper/100:11:391
1770499171,1cyclictest8556-21kworker/1:020:34:521
1770499171,15cyclictest30833-21kworker/1:000:03:331
1770499171,15cyclictest30833-21kworker/1:000:03:331
1770399172,10cyclictest12693-21JNI-ICMP-17760-23:42:330
171412174,7sleep60-21swapper/619:02:116
17712991613,2cyclictest2918-21snmpd22:39:377
17712991613,2cyclictest20276-21cat22:07:277
17712991613,2cyclictest10655-21sadc23:02:107
17712991613,1cyclictest0-21swapper/700:29:387
17710991613,2cyclictest20802-21cat23:07:246
1770899163,5cyclictest12696-21JNI-ICMP-32565-22:53:044
1770899163,5cyclictest12696-21JNI-ICMP-32565-22:53:044
17708991613,2cyclictest2918-21snmpd21:57:524
1770899160,2cyclictest0-21swapper/419:17:284
17707991614,1cyclictest11-21rcu_preempt23:52:293
17707991613,2cyclictest43-21ksoftirqd/322:10:043
17706991614,1cyclictest0-21swapper/219:12:102
17704991614,1cyclictest25-21ksoftirqd/119:13:321
17704991614,1cyclictest25-21ksoftirqd/119:13:321
17704991613,2cyclictest28035-21kworker/u16:321:54:221
17704991613,2cyclictest2400-21pool-13-thread-19:17:341
17704991612,3cyclictest25-21ksoftirqd/119:48:221
17704991612,3cyclictest23-21rcuc/122:40:461
17704991612,3cyclictest23-21rcuc/120:59:161
17704991612,1cyclictest241ktimersoftd/122:42:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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