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2026-05-11 - 00:02
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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 May 10, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/209:53:212
71670rcu_preempt0-21swapper/209:53:212
1122599603cyclictest0-21swapper/011:28:200
1122599603cyclictest0-21swapper/011:28:200
1122599541cyclictest1959-21runrttasks11:09:200
1122599541cyclictest1959-21runrttasks11:09:200
1122599541cyclictest1959-21runrttasks11:09:200
11225995310cyclictest1790-21sh11:54:220
11225995310cyclictest1790-21sh11:54:220
1122599528cyclictest8620-21sh10:05:210
1122599528cyclictest8620-21sh10:05:210
1122599528cyclictest8620-21sh10:05:210
1122599523cyclictest11804-21ntp_states12:13:110
1122599523cyclictest11804-21ntp_states12:13:110
1122599523cyclictest0-21swapper/011:51:420
1122599523cyclictest0-21swapper/011:51:420
1122599523cyclictest0-21swapper/011:51:420
1122599522cyclictest17679-21latency_hist10:22:530
1122599517cyclictest23157-21sed07:53:170
1122599517cyclictest23157-21sed07:53:170
1122599517cyclictest23157-21sed07:53:170
1122599514cyclictest4815-1kworker/0:2H09:28:130
1122599514cyclictest4815-1kworker/0:2H09:28:130
1122599513cyclictest23517-21ntp_states10:33:130
1122599513cyclictest23517-21ntp_states10:33:130
1122599512cyclictest12795-21ntp_states10:13:130
1122599512cyclictest12795-21ntp_states10:13:130
1122599512cyclictest10840-21apt-get09:07:590
1122599512cyclictest10840-21apt-get09:07:590
1122599512cyclictest10840-21apt-get09:07:590
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
1122599504cyclictest0-21swapper/010:58:150
1122599504cyclictest0-21swapper/010:58:150
1122599503cyclictest14881-21apt-get10:17:560
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/008:23:060
1122599503cyclictest0-21swapper/008:23:060
1122599503cyclictest0-21swapper/008:08:140
1122599503cyclictest0-21swapper/008:08:140
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest1959-21runrttasks11:42:550
1122599502cyclictest1959-21runrttasks11:42:550
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
11225995018cyclictest25652-21idleruntime-cro09:37:460
11225995018cyclictest25652-21idleruntime-cro09:37:460
11225995018cyclictest25652-21idleruntime-cro09:37:460
1122599494cyclictest0-21swapper/010:23:040
1122599494cyclictest0-21swapper/010:23:040
1122599494cyclictest0-21swapper/010:23:040
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/008:52:590
1122599493cyclictest0-21swapper/008:52:590
1122599493cyclictest0-21swapper/007:18:020
1122599493cyclictest0-21swapper/007:18:020
1122599492cyclictest26137-21ssh09:38:050
1122599492cyclictest26137-21ssh09:38:050
1122599492cyclictest22408-21memory12:33:110
1122599492cyclictest22408-21memory12:33:110
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599491cyclictest3863-21latency_hist08:42:520
1122599491cyclictest3863-21latency_hist08:42:520
1122599491cyclictest18473-21ssh12:25:370
1122599491cyclictest18473-21ssh12:25:370
1122599491cyclictest0-21swapper/008:47:080
1122599491cyclictest0-21swapper/008:47:080
1122599491cyclictest0-21swapper/008:47:080
11225994916cyclictest16571-21munin-run12:22:460
11225994916cyclictest16571-21munin-run12:22:460
1122599483cyclictest28434-21apt-get10:42:570
1122599483cyclictest28434-21apt-get10:42:570
1122599483cyclictest0-21swapper/010:41:310
1122599483cyclictest0-21swapper/010:41:310
1122599483cyclictest0-21swapper/010:12:260
1122599483cyclictest0-21swapper/010:12:260
1122599482cyclictest9069-21ssh12:08:100
1122599482cyclictest9069-21ssh12:08:100
1122599482cyclictest3349-21ssh10:56:380
1122599482cyclictest3349-21ssh10:56:380
1122599482cyclictest29203-21ntp_states09:43:120
1122599482cyclictest29203-21ntp_states09:43:120
1122599482cyclictest26022-21users08:03:150
1122599482cyclictest26022-21users08:03:150
1122599482cyclictest19284-21sh09:24:180
1122599482cyclictest19284-21sh09:24:180
1122599482cyclictest18694-21ntp_states07:38:110
1122599482cyclictest18694-21ntp_states07:38:110
1122599482cyclictest15646-21df_inode07:28:020
1122599482cyclictest15646-21df_inode07:28:020
1122599482cyclictest14324-21irqstats07:23:050
1122599482cyclictest14324-21irqstats07:23:050
1122599481cyclictest9289-21idleruntime-cro09:02:460
1122599481cyclictest9289-21idleruntime-cro09:02:460
1122599481cyclictest21659-21/usr/sbin/munin07:48:140
1122599481cyclictest21659-21/usr/sbin/munin07:48:140
1122599481cyclictest1958-21snmpd11:15:470
1122599481cyclictest1958-21snmpd11:15:470
1122599481cyclictest1958-21snmpd11:15:470
1122599481cyclictest18019-21ssh11:24:100
1122599481cyclictest18019-21ssh11:24:100
1122599481cyclictest18019-21ssh11:24:100
1122599481cyclictest18019-21ssh11:24:100
1122599481cyclictest15446-21irqstats09:18:050
1122599481cyclictest15446-21irqstats09:18:050
11225994817cyclictest32287-21df08:28:010
11225994817cyclictest32287-21df08:28:010
11225994815cyclictest3421-21ssh09:56:150
11225994815cyclictest3421-21ssh09:56:150
1122599473cyclictest19836-21df_inode07:43:020
1122599473cyclictest19836-21df_inode07:43:020
1122599473cyclictest0-21swapper/012:01:230
1122599473cyclictest0-21swapper/012:01:230
1122599473cyclictest0-21swapper/010:28:080
1122599473cyclictest0-21swapper/010:28:080
1122599473cyclictest0-21swapper/010:28:080
1122599473cyclictest0-21swapper/009:03:180
1122599473cyclictest0-21swapper/009:03:180
1122599473cyclictest0-21swapper/009:03:180
1122599473cyclictest0-21swapper/007:33:150
1122599473cyclictest0-21swapper/007:33:150
1122599472cyclictest29559-21df_inode08:18:040
1122599472cyclictest29559-21df_inode08:18:040
1122599472cyclictest23758-21/usr/sbin/munin07:58:020
1122599472cyclictest23758-21/usr/sbin/munin07:58:020
1122599471cyclictest21987-21apt-get11:33:000
1122599471cyclictest21987-21apt-get11:33:000
11225994712cyclictest5899-21processes08:48:140
11225994712cyclictest5899-21processes08:48:140
71460rcu_preempt16673-21latency_hist12:22:501
71460rcu_preempt16673-21latency_hist12:22:501
71460rcu_preempt0-21swapper/212:22:562
71460rcu_preempt0-21swapper/212:22:562
46050460irq/122-QManpo0-210
46050460irq/122-QManpo0-210
1122599463cyclictest0-21swapper/009:13:140
1122599463cyclictest0-21swapper/009:13:140
1122599463cyclictest0-21swapper/008:13:010
1122599463cyclictest0-21swapper/008:13:010
1122599462cyclictest12485-21munin-run07:17:460
1122599462cyclictest12485-21munin-run07:17:460
1122599462cyclictest12485-21munin-run07:17:460
1122599461cyclictest4170-21apt-get09:58:000
1122599461cyclictest4170-21apt-get09:58:000
1122699454cyclictest0-21swapper/112:28:121
1122699454cyclictest0-21swapper/112:28:121
1122699454cyclictest0-21swapper/112:28:121
1122699453cyclictest21510-21ntp_states07:48:121
1122699453cyclictest21510-21ntp_states07:48:121
1122599451cyclictest26346-21taskset12:40:300
1122599451cyclictest26346-21taskset12:40:300
71440rcu_preempt1945-1kworker/2:3H07:09:502
71440rcu_preempt1945-1kworker/2:3H07:09:502
46250440irq/120-QManpo5507-2110:48:551
46250440irq/120-QManpo5507-2110:48:551
1122599442cyclictest1336-21diskstats08:33:020
1122599442cyclictest1336-21diskstats08:33:020
71430rcu_preempt19605-21apt-get07:42:582
71430rcu_preempt19605-21apt-get07:42:582
1122699433cyclictest0-21swapper/111:23:191
1122699433cyclictest0-21swapper/111:23:191
1122699433cyclictest0-21swapper/111:23:191
1122699433cyclictest0-21swapper/111:23:191
1122699433cyclictest0-21swapper/110:43:151
1122699433cyclictest0-21swapper/110:43:151
1122699433cyclictest0-21swapper/110:12:501
1122699433cyclictest0-21swapper/110:12:501
11226994318cyclictest12092-21munin-run09:12:471
11226994318cyclictest12092-21munin-run09:12:471
11226994318cyclictest12092-21munin-run09:12:471
11226994316cyclictest12665-21meminfo10:13:081
11226994316cyclictest12665-21meminfo10:13:081
11226994316cyclictest0-21swapper/108:28:111
11226994316cyclictest0-21swapper/108:28:111
11226994315cyclictest0-21swapper/111:38:051
11226994315cyclictest0-21swapper/111:38:051
11226994315cyclictest0-21swapper/111:38:051
71420rcu_preempt0-21swapper/112:33:051
71420rcu_preempt0-21swapper/112:33:051
1122699424cyclictest0-21swapper/112:03:051
1122699424cyclictest0-21swapper/112:03:051
1122699424cyclictest0-21swapper/112:03:051
1122699424cyclictest0-21swapper/110:28:411
1122699424cyclictest0-21swapper/110:28:411
1122699424cyclictest0-21swapper/110:28:411
1122699423cyclictest0-21swapper/110:42:061
1122699423cyclictest0-21swapper/110:42:061
1122699423cyclictest0-21swapper/110:18:071
1122699423cyclictest0-21swapper/110:18:071
1122699423cyclictest0-21swapper/109:53:081
1122699423cyclictest0-21swapper/109:53:081
1122699423cyclictest0-21swapper/109:24:201
1122699423cyclictest0-21swapper/109:24:201
1122699423cyclictest0-21swapper/109:13:081
1122699423cyclictest0-21swapper/109:13:081
1122699422cyclictest22250-21diskstats11:33:041
1122699422cyclictest22250-21diskstats11:33:041
1122699422cyclictest17033-21df_inode12:23:041
1122699422cyclictest17033-21df_inode12:23:041
11226994216cyclictest0-21swapper/109:38:021
11226994216cyclictest0-21swapper/109:38:021
103150420irq/48-mmc00-21swapper/312:23:133
103150420irq/48-mmc00-21swapper/312:23:133
71410rcu_preempt22784-21taskset09:31:591
71410rcu_preempt22784-21taskset09:31:591
71410rcu_preempt0-21swapper/209:24:242
71410rcu_preempt0-21swapper/209:24:242
1122699413cyclictest0-21swapper/112:15:001
1122699413cyclictest0-21swapper/112:15:001
1122699413cyclictest0-21swapper/112:08:001
1122699413cyclictest0-21swapper/112:08:001
1122699413cyclictest0-21swapper/111:58:111
1122699413cyclictest0-21swapper/111:58:111
1122699413cyclictest0-21swapper/111:05:531
1122699413cyclictest0-21swapper/111:05:531
1122699413cyclictest0-21swapper/111:05:531
1122699413cyclictest0-21swapper/111:05:531
1122699413cyclictest0-21swapper/110:27:331
1122699413cyclictest0-21swapper/110:27:331
1122699413cyclictest0-21swapper/110:27:331
1122699413cyclictest0-21swapper/109:43:291
1122699413cyclictest0-21swapper/109:43:291
1122699413cyclictest0-21swapper/108:43:181
1122699413cyclictest0-21swapper/108:43:181
1122699413cyclictest0-21swapper/108:43:181
1122699413cyclictest0-21swapper/107:43:111
1122699413cyclictest0-21swapper/107:43:111
1122699413cyclictest0-21swapper/107:33:121
1122699413cyclictest0-21swapper/107:33:121
1122699412cyclictest1959-21runrttasks08:38:481
1122699412cyclictest1959-21runrttasks08:38:481
11226994116cyclictest9301-21munin-run09:02:461
11226994116cyclictest9301-21munin-run09:02:461
11226994111cyclictest25668-21ntp_states08:03:101
11226994111cyclictest25668-21ntp_states08:03:101
71400rcu_preempt0-21swapper/211:48:452
71400rcu_preempt0-21swapper/211:48:452
71400rcu_preempt0-21swapper/211:48:452
1122699403cyclictest0-21swapper/111:11:341
1122699403cyclictest0-21swapper/111:11:341
1122699403cyclictest0-21swapper/111:11:341
1122699403cyclictest0-21swapper/110:56:231
1122699403cyclictest0-21swapper/110:56:231
1122699403cyclictest0-21swapper/110:48:151
1122699403cyclictest0-21swapper/110:48:151
1122699403cyclictest0-21swapper/110:48:151
1122699403cyclictest0-21swapper/108:48:071
1122699403cyclictest0-21swapper/108:48:071
1122699403cyclictest0-21swapper/108:37:471
1122699403cyclictest0-21swapper/108:37:471
1122699402cyclictest31597-21users08:23:161
1122699402cyclictest31597-21users08:23:161
1122699402cyclictest29635-21irqstats08:18:081
1122699402cyclictest29635-21irqstats08:18:081
1122699402cyclictest28838-21ssh11:44:021
1122699402cyclictest28838-21ssh11:44:021
1122699401cyclictest14334-21chrt11:17:591
1122699401cyclictest14334-21chrt11:17:591
11226994016cyclictest0-21swapper/108:08:061
11226994016cyclictest0-21swapper/108:08:061
11226994015cyclictest0-21swapper/112:42:481
11226994015cyclictest0-21swapper/112:42:481
11226994015cyclictest0-21swapper/111:57:461
11226994015cyclictest0-21swapper/111:57:461
11226994015cyclictest0-21swapper/109:32:591
11226994015cyclictest0-21swapper/109:32:591
11226994015cyclictest0-21swapper/109:32:591
11226994014cyclictest0-21swapper/111:28:151
11226994014cyclictest0-21swapper/111:28:151
11226994013cyclictest0-21swapper/111:18:151
11226994013cyclictest0-21swapper/111:18:151
11226994013cyclictest0-21swapper/111:18:151
11226994013cyclictest0-21swapper/111:18:151
71390rcu_preempt26088-1kworker/2:2H11:44:282
71390rcu_preempt26088-1kworker/2:2H11:44:282
71390rcu_preempt0-21swapper/209:29:102
71390rcu_preempt0-21swapper/209:29:102
1122699393cyclictest0-21swapper/110:33:401
1122699393cyclictest0-21swapper/110:33:401
1122699393cyclictest0-21swapper/107:29:091
1122699393cyclictest0-21swapper/107:29:091
1122699393cyclictest0-21swapper/107:13:001
1122699393cyclictest0-21swapper/107:13:001
1122699393cyclictest0-21swapper/107:13:001
1122699392cyclictest1959-21runrttasks09:18:381
1122699392cyclictest1959-21runrttasks09:18:381
1122699391cyclictest4469-21missed_timers10:58:111
1122699391cyclictest4469-21missed_timers10:58:111
11226993917cyclictest0-21swapper/111:52:471
11226993917cyclictest0-21swapper/111:52:471
11226993917cyclictest0-21swapper/111:52:471
11226993915cyclictest0-21swapper/110:02:471
11226993915cyclictest0-21swapper/110:02:471
71380rcu_preempt0-21swapper/211:53:302
71380rcu_preempt0-21swapper/211:53:302
71380rcu_preempt0-21swapper/211:08:202
71380rcu_preempt0-21swapper/211:08:202
71380rcu_preempt0-21swapper/211:08:202
71380rcu_preempt0-21swapper/211:07:272
71380rcu_preempt0-21swapper/211:07:272
71380rcu_preempt0-21swapper/211:07:272
71380rcu_preempt0-21swapper/211:07:272
71380rcu_preempt0-21swapper/211:00:162
71380rcu_preempt0-21swapper/211:00:162
71380rcu_preempt0-21swapper/210:33:002
71380rcu_preempt0-21swapper/210:33:002
71380rcu_preempt0-21swapper/209:34:112
71380rcu_preempt0-21swapper/209:34:112
71380rcu_preempt0-21swapper/209:34:112
46650380irq/116-QManpo0-2110:48:553
46650380irq/116-QManpo0-2110:48:553
1122699383cyclictest0-21swapper/110:03:161
1122699383cyclictest0-21swapper/110:03:161
1122699383cyclictest0-21swapper/110:03:161
1122699382cyclictest9966-21ntp_states09:03:141
1122699382cyclictest9966-21ntp_states09:03:141
1122699382cyclictest9966-21ntp_states09:03:141
1122699382cyclictest32354-21ssh09:48:431
1122699382cyclictest32354-21ssh09:48:431
1122699382cyclictest32354-21ssh09:48:431
71370rcu_preempt29781-1kworker/2:0H09:49:062
71370rcu_preempt29781-1kworker/2:0H09:49:062
71370rcu_preempt29781-1kworker/2:0H09:49:062
71370rcu_preempt11177-21sh12:12:532
71370rcu_preempt11177-21sh12:12:532
71370rcu_preempt0-21swapper/210:51:202
71370rcu_preempt0-21swapper/210:51:202
71370rcu_preempt0-21swapper/210:51:202
1122699372cyclictest12667-21/usr/sbin/munin07:17:591
1122699372cyclictest12667-21/usr/sbin/munin07:17:591
11226993714cyclictest0-21swapper/107:42:491
11226993714cyclictest0-21swapper/107:42:491
71360rcu_preempt26919-21taskset11:41:242
71360rcu_preempt26919-21taskset11:41:242
71360rcu_preempt26919-21taskset11:41:242
71360rcu_preempt0-21swapper/212:13:122
71360rcu_preempt0-21swapper/212:13:122
71360rcu_preempt0-21swapper/210:57:052
71360rcu_preempt0-21swapper/210:57:052
71360rcu_preempt0-21swapper/209:45:322
71360rcu_preempt0-21swapper/209:45:322
71360rcu_preempt0-21swapper/209:06:262
71360rcu_preempt0-21swapper/209:06:262
71360rcu_preempt0-21swapper/209:06:262
71360rcu_preempt0-21swapper/208:50:292
71360rcu_preempt0-21swapper/208:50:292
1122699362cyclictest12936-21ssh11:13:421
71350rcu_preempt23705-21ssh11:35:203
71350rcu_preempt23705-21ssh11:35:203
71350rcu_preempt17357-21sshd10:22:212
71350rcu_preempt17357-21sshd10:22:212
71350rcu_preempt16592-1sendmail-msp12:34:302
71350rcu_preempt16592-1sendmail-msp12:34:302
71350rcu_preempt12677-21sort09:13:052
71350rcu_preempt12677-21sort09:13:052
71350rcu_preempt0-21swapper/311:43:043
71350rcu_preempt0-21swapper/311:43:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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