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2026-06-07 - 16:40
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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 376 highest latencies:
System rack4slot4.osadl.org (updated Sun Jun 07, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340299559cyclictest4922-21sh09:13:440
340299559cyclictest4922-21sh09:13:440
340299552cyclictest28508-21munin-run11:03:170
340299552cyclictest28508-21munin-run11:03:170
340299552cyclictest28508-21munin-run11:03:170
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
71530rcu_preempt0-21swapper/311:36:033
340299531cyclictest27962-21apt-get12:03:280
340299531cyclictest27962-21apt-get12:03:280
340299531cyclictest27962-21apt-get12:03:280
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299528cyclictest23548-21ssh09:49:240
340299523cyclictest15289-21ntp_states09:33:410
340299523cyclictest15289-21ntp_states09:33:410
340299523cyclictest15289-21ntp_states09:33:410
340299522cyclictest19111-21ntp_states10:43:440
340299522cyclictest19111-21ntp_states10:43:440
3402995219cyclictest9859-21ssh09:23:300
3402995219cyclictest9859-21ssh09:23:300
3402995219cyclictest9859-21ssh09:23:300
71510rcu_preempt0-21swapper/209:13:232
71510rcu_preempt0-21swapper/209:13:232
71510rcu_preempt0-21swapper/209:13:232
340299513cyclictest2129-21ntp_states09:03:410
340299513cyclictest2129-21ntp_states09:03:410
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/012:30:400
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/011:03:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/010:17:340
340299513cyclictest0-21swapper/007:48:160
340299513cyclictest0-21swapper/007:48:160
340299513cyclictest0-21swapper/007:48:160
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest9050-21ssh11:26:440
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest5991-21diskstats12:23:320
340299512cyclictest3639-21memory12:18:390
340299512cyclictest3639-21memory12:18:390
340299512cyclictest3639-21memory12:18:390
340299505cyclictest0-21swapper/008:34:080
340299505cyclictest0-21swapper/008:34:080
340299503cyclictest0-21swapper/011:58:300
340299503cyclictest0-21swapper/011:58:300
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/011:42:020
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:23:500
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/010:03:170
340299503cyclictest0-21swapper/009:38:420
340299503cyclictest0-21swapper/009:38:420
340299503cyclictest0-21swapper/007:13:390
340299503cyclictest0-21swapper/007:13:390
340299502cyclictest7590-21ntp_states09:18:430
340299502cyclictest7590-21ntp_states09:18:430
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest31677-21meminfo11:08:390
340299502cyclictest29836-21/usr/sbin/munin08:48:440
340299502cyclictest29836-21/usr/sbin/munin08:48:440
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest20297-21ssh09:43:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14947-21memory07:53:380
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest14039-21/usr/sbin/munin12:38:390
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299502cyclictest12529-21diskstats11:33:330
340299501cyclictest9734-21apt-get11:28:270
340299501cyclictest9734-21apt-get11:28:270
340299501cyclictest9734-21apt-get11:28:270
3402995013cyclictest6808-21latency_hist11:23:190
3402995013cyclictest6808-21latency_hist11:23:190
3402995013cyclictest6808-21latency_hist11:23:190
340299494cyclictest0-21swapper/010:18:430
340299494cyclictest0-21swapper/010:18:430
340299494cyclictest0-21swapper/010:18:430
340299493cyclictest0-21swapper/011:53:560
340299493cyclictest0-21swapper/011:53:560
340299493cyclictest0-21swapper/011:46:530
340299493cyclictest0-21swapper/011:46:530
340299493cyclictest0-21swapper/011:18:190
340299493cyclictest0-21swapper/011:18:190
340299493cyclictest0-21swapper/010:57:380
340299493cyclictest0-21swapper/010:57:380
340299493cyclictest0-21swapper/010:57:380
340299493cyclictest0-21swapper/010:49:100
340299493cyclictest0-21swapper/010:49:100
340299493cyclictest0-21swapper/010:49:100
340299493cyclictest0-21swapper/010:39:140
340299493cyclictest0-21swapper/010:39:140
340299493cyclictest0-21swapper/010:10:490
340299493cyclictest0-21swapper/010:10:490
340299493cyclictest0-21swapper/010:10:490
340299493cyclictest0-21swapper/010:10:490
340299493cyclictest0-21swapper/009:53:320
340299493cyclictest0-21swapper/009:53:320
340299493cyclictest0-21swapper/009:53:320
340299492cyclictest30502-21apt-get12:08:290
340299492cyclictest30502-21apt-get12:08:290
340299492cyclictest30502-21apt-get12:08:290
340299492cyclictest24282-21apt-get08:28:250
340299492cyclictest24282-21apt-get08:28:250
340299492cyclictest1563-21users12:13:470
340299492cyclictest1563-21users12:13:470
340299492cyclictest11726-21latency_hist07:43:200
340299492cyclictest11726-21latency_hist07:43:200
340299491cyclictest7601-21apt-get07:28:270
340299491cyclictest7601-21apt-get07:28:270
340299491cyclictest6214-21apt-get07:23:270
340299491cyclictest6214-21apt-get07:23:270
340299491cyclictest6214-21apt-get07:23:270
340299491cyclictest31225-21apt-get08:53:280
340299491cyclictest31225-21apt-get08:53:280
340299491cyclictest17327-21apt-get08:03:270
340299491cyclictest17327-21apt-get08:03:270
340299491cyclictest17327-21apt-get08:03:270
340299491cyclictest13157-21/usr/sbin/munin07:48:390
340299491cyclictest13157-21/usr/sbin/munin07:48:390
340299491cyclictest13157-21/usr/sbin/munin07:48:390
340299491cyclictest12707-21nfs4_client09:28:400
340299491cyclictest12707-21nfs4_client09:28:400
340299491cyclictest12707-21nfs4_client09:28:400
3402994918cyclictest0-21swapper/008:18:420
3402994918cyclictest0-21swapper/008:18:420
71480rcu_preempt28703-1kworker/0:2H07:09:160
71480rcu_preempt28703-1kworker/0:2H07:09:160
340299482cyclictest18952-21df_inode08:08:330
340299482cyclictest18952-21df_inode08:08:330
340299481cyclictest4283-21munin-plugin-st09:13:170
340299481cyclictest4283-21munin-plugin-st09:13:170
340299481cyclictest4283-21munin-plugin-st09:13:170
340299481cyclictest30206-21cpu10:03:290
340299481cyclictest30206-21cpu10:03:290
340299481cyclictest30206-21cpu10:03:290
340299481cyclictest29889-21sendmail-msp10:30:240
340299481cyclictest29889-21sendmail-msp10:30:240
340299481cyclictest28450-21apt-get08:43:270
340299481cyclictest28450-21apt-get08:43:270
340299481cyclictest23522-21sendmail_mailst08:23:440
340299481cyclictest23522-21sendmail_mailst08:23:440
340299481cyclictest23522-21sendmail_mailst08:23:440
340299481cyclictest1560-21latency_hist09:03:220
340299481cyclictest1560-21latency_hist09:03:220
340299481cyclictest12957-21apt-get10:33:260
340299481cyclictest12957-21apt-get10:33:260
340299481cyclictest11368-21ntpq12:33:430
340299481cyclictest11368-21ntpq12:33:430
3402994819cyclictest0-21swapper/008:13:290
3402994819cyclictest0-21swapper/008:13:290
340299479cyclictest27472-21cat08:38:370
340299479cyclictest27472-21cat08:38:370
340299479cyclictest27472-21cat08:38:370
340299473cyclictest0-21swapper/011:52:280
340299473cyclictest0-21swapper/011:52:280
340299473cyclictest0-21swapper/011:52:280
340299463cyclictest9384-21meminfo07:33:360
340299463cyclictest9384-21meminfo07:33:360
71450rcu_preempt24730-21copy09:53:333
71450rcu_preempt24730-21copy09:53:333
71450rcu_preempt24730-21copy09:53:333
340299452cyclictest12733-1kworker/0:2H08:03:200
340299452cyclictest12733-1kworker/0:2H08:03:200
340299451cyclictest6108-21latency_hist07:23:170
340299451cyclictest6108-21latency_hist07:23:170
340299451cyclictest6108-21latency_hist07:23:170
71440rcu_preempt0-21swapper/207:18:242
71440rcu_preempt0-21swapper/207:18:242
71440rcu_preempt0-21swapper/207:18:242
71430rcu_preempt574-21kswapd010:53:262
71430rcu_preempt574-21kswapd010:53:262
71430rcu_preempt574-21kswapd010:53:262
71430rcu_preempt0-21swapper/112:23:091
71430rcu_preempt0-21swapper/112:23:091
71430rcu_preempt0-21swapper/112:23:091
71430rcu_preempt0-21swapper/107:18:401
71430rcu_preempt0-21swapper/107:18:401
71430rcu_preempt0-21swapper/107:18:401
71410rcu_preempt1122-21sh07:09:061
71410rcu_preempt1122-21sh07:09:061
71410rcu_preempt0-21swapper/309:29:083
71410rcu_preempt0-21swapper/309:29:083
71410rcu_preempt0-21swapper/309:29:083
241410ksoftirqd/22491-1kworker/2:0H11:14:282
241410ksoftirqd/22491-1kworker/2:0H11:14:282
71400rcu_preempt3000-1seq07:10:062
71400rcu_preempt3000-1seq07:10:062
71400rcu_preempt0-21swapper/209:53:242
71400rcu_preempt0-21swapper/209:53:242
71400rcu_preempt0-21swapper/209:53:242
71400rcu_preempt0-21swapper/209:53:242
71400rcu_preempt0-21swapper/111:56:081
71400rcu_preempt0-21swapper/111:56:081
71400rcu_preempt0-21swapper/111:14:391
71400rcu_preempt0-21swapper/111:14:391
340499402cyclictest9469-21sendmail-msp09:53:442
340499402cyclictest9469-21sendmail-msp09:53:442
340499402cyclictest9469-21sendmail-msp09:53:442
71390rcu_preempt2400-21diskmemload12:16:222
71390rcu_preempt2400-21diskmemload12:16:222
71390rcu_preempt0-21swapper/208:08:372
71390rcu_preempt0-21swapper/208:08:372
71390rcu_preempt0-21swapper/109:53:291
71390rcu_preempt0-21swapper/109:13:381
71390rcu_preempt0-21swapper/109:13:381
71380rcu_preempt4768-21ssh09:13:393
71380rcu_preempt4768-21ssh09:13:393
71380rcu_preempt0-21swapper/209:18:272
71380rcu_preempt0-21swapper/209:18:272
71380rcu_preempt0-21swapper/208:07:482
71380rcu_preempt0-21swapper/208:07:482
71380rcu_preempt0-21swapper/208:07:482
71380rcu_preempt0-21swapper/109:53:411
71380rcu_preempt0-21swapper/109:53:411
71380rcu_preempt0-21swapper/109:53:411
71380rcu_preempt0-21swapper/108:31:411
71380rcu_preempt0-21swapper/108:31:411
71370rcu_preempt6079-21taskset11:21:302
71370rcu_preempt6079-21taskset11:21:302
71370rcu_preempt6079-21taskset11:21:302
71370rcu_preempt0-21swapper/309:53:293
71370rcu_preempt0-21swapper/309:19:213
71370rcu_preempt0-21swapper/309:19:213
71370rcu_preempt0-21swapper/212:33:252
71370rcu_preempt0-21swapper/212:33:252
71370rcu_preempt0-21swapper/211:38:002
71370rcu_preempt0-21swapper/211:38:002
71370rcu_preempt0-21swapper/211:38:002
71370rcu_preempt0-21swapper/211:38:002
71370rcu_preempt0-21swapper/209:25:202
71370rcu_preempt0-21swapper/209:25:202
71370rcu_preempt0-21swapper/209:25:202
71370rcu_preempt0-21swapper/112:27:241
71370rcu_preempt0-21swapper/112:27:241
71370rcu_preempt0-21swapper/112:27:241
71370rcu_preempt0-21swapper/109:05:421
71370rcu_preempt0-21swapper/109:05:421
71360rcu_preempt6753-21sendmail-msp11:52:262
71360rcu_preempt6753-21sendmail-msp11:52:262
71360rcu_preempt6753-21sendmail-msp11:52:262
71360rcu_preempt5921-21ssh12:23:303
71360rcu_preempt5921-21ssh12:23:303
71360rcu_preempt5921-21ssh12:23:303
71360rcu_preempt5144-1kworker/2:1H12:23:342
71360rcu_preempt5144-1kworker/2:1H12:23:342
71360rcu_preempt5144-1kworker/2:1H12:23:342
71360rcu_preempt4548-21taskset07:17:051
71360rcu_preempt4548-21taskset07:17:051
71360rcu_preempt10278-21ntpdc11:28:411
71360rcu_preempt10278-21ntpdc11:28:411
71360rcu_preempt10278-21ntpdc11:28:411
71360rcu_preempt0-21swapper/310:27:323
71360rcu_preempt0-21swapper/310:27:323
71360rcu_preempt0-21swapper/310:27:323
71360rcu_preempt0-21swapper/307:18:183
71360rcu_preempt0-21swapper/307:18:183
71360rcu_preempt0-21swapper/212:18:552
71360rcu_preempt0-21swapper/212:18:552
71360rcu_preempt0-21swapper/212:18:552
71360rcu_preempt0-21swapper/211:08:312
71360rcu_preempt0-21swapper/211:08:312
71360rcu_preempt0-21swapper/211:08:312
71360rcu_preempt0-21swapper/210:33:262
71360rcu_preempt0-21swapper/210:33:262
71360rcu_preempt0-21swapper/210:12:112
71360rcu_preempt0-21swapper/210:12:112
71360rcu_preempt0-21swapper/210:12:112
71360rcu_preempt0-21swapper/210:12:112
71360rcu_preempt0-21swapper/210:03:162
71360rcu_preempt0-21swapper/210:03:162
71360rcu_preempt0-21swapper/210:03:162
71360rcu_preempt0-21swapper/209:32:122
71360rcu_preempt0-21swapper/209:32:122
71360rcu_preempt0-21swapper/209:32:122
71360rcu_preempt0-21swapper/208:16:352
71360rcu_preempt0-21swapper/208:16:352
71360rcu_preempt0-21swapper/207:56:072
71360rcu_preempt0-21swapper/207:56:072
71360rcu_preempt0-21swapper/207:56:072
71360rcu_preempt0-21swapper/112:16:451
71360rcu_preempt0-21swapper/112:16:451
71360rcu_preempt0-21swapper/111:51:111
71360rcu_preempt0-21swapper/111:51:111
71360rcu_preempt0-21swapper/111:51:111
71360rcu_preempt0-21swapper/109:48:281
71360rcu_preempt0-21swapper/109:48:281
71360rcu_preempt0-21swapper/109:48:281
71360rcu_preempt0-21swapper/109:42:211
71360rcu_preempt0-21swapper/109:42:211
71360rcu_preempt0-21swapper/109:27:561
71360rcu_preempt0-21swapper/109:27:561
71360rcu_preempt0-21swapper/109:27:561
71360rcu_preempt0-21swapper/109:19:391
71360rcu_preempt0-21swapper/109:19:391
71360rcu_preempt0-21swapper/108:10:351
71360rcu_preempt0-21swapper/108:10:351
71350rcu_preempt8916-21sh10:24:001
71350rcu_preempt8916-21sh10:24:001
71350rcu_preempt8916-21sh10:24:001
71350rcu_preempt7502-21taskset11:23:442
71350rcu_preempt7502-21taskset11:23:442
71350rcu_preempt7502-21taskset11:23:442
71350rcu_preempt7502-21taskset11:23:442
71350rcu_preempt29889-21sendmail-msp10:18:002
71350rcu_preempt29889-21sendmail-msp10:18:002
71350rcu_preempt29889-21sendmail-msp10:18:002
71350rcu_preempt21058-1kworker/1:4H09:47:021
71350rcu_preempt21058-1kworker/1:4H09:47:021
71350rcu_preempt21058-1kworker/1:4H09:47:021
71350rcu_preempt19957-21sh10:45:161
71350rcu_preempt19957-21sh10:45:161
71350rcu_preempt18485-21taskset08:07:131
71350rcu_preempt18485-21taskset08:07:131
71350rcu_preempt18485-21taskset08:07:131
71350rcu_preempt0-21swapper/312:08:293
71350rcu_preempt0-21swapper/312:08:293
71350rcu_preempt0-21swapper/312:08:293
71350rcu_preempt0-21swapper/307:49:293
71350rcu_preempt0-21swapper/307:49:293
71350rcu_preempt0-21swapper/307:49:293
71350rcu_preempt0-21swapper/211:07:582
71350rcu_preempt0-21swapper/211:07:582
71350rcu_preempt0-21swapper/211:07:582
71350rcu_preempt0-21swapper/209:03:152
71350rcu_preempt0-21swapper/209:03:152
71350rcu_preempt0-21swapper/207:34:052
71350rcu_preempt0-21swapper/207:34:052
71350rcu_preempt0-21swapper/112:05:201
71350rcu_preempt0-21swapper/112:05:201
71350rcu_preempt0-21swapper/112:05:201
71350rcu_preempt0-21swapper/111:36:351
71350rcu_preempt0-21swapper/111:36:351
71350rcu_preempt0-21swapper/111:36:351
71350rcu_preempt0-21swapper/111:36:351
71350rcu_preempt0-21swapper/111:27:051
71350rcu_preempt0-21swapper/111:27:051
71350rcu_preempt0-21swapper/111:27:051
71350rcu_preempt0-21swapper/111:27:051
71350rcu_preempt0-21swapper/110:03:391
71350rcu_preempt0-21swapper/110:03:391
71350rcu_preempt0-21swapper/110:03:391
71350rcu_preempt0-21swapper/109:58:271
71350rcu_preempt0-21swapper/109:58:271
71350rcu_preempt0-21swapper/109:58:271
71350rcu_preempt0-21swapper/108:13:501
71350rcu_preempt0-21swapper/108:13:501
46650350irq/116-QManpo0-2110:48:553
46650350irq/116-QManpo0-2110:48:553
71340rcu_preempt8486-21df12:28:312
71340rcu_preempt7051-21sh10:21:122
71340rcu_preempt7051-21sh10:21:122
71340rcu_preempt7051-21sh10:21:122
71340rcu_preempt26941-21ssh12:01:001
71340rcu_preempt26941-21ssh12:01:001
71340rcu_preempt20203-21sh10:46:042
71340rcu_preempt20203-21sh10:46:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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