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2026-07-23 - 07:15
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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 Thu Jul 23, 2026 00:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/100:43:011
71680rcu_preempt0-21swapper/100:43:011
71500rcu_preempt7167-1sort19:11:221
71500rcu_preempt7167-1sort19:11:221
71490rcu_preempt9779-1kworker/0:0H19:12:570
71490rcu_preempt9779-1kworker/0:0H19:12:570
71480rcu_preempt27139-1kworker/2:3H19:13:032
71480rcu_preempt27139-1kworker/2:3H19:13:032
1213599472cyclictest25192-21ntp_states21:24:311
1213599472cyclictest25192-21ntp_states21:24:311
71460rcu_preempt0-21swapper/021:39:570
71460rcu_preempt0-21swapper/021:39:570
71460rcu_preempt0-21swapper/021:39:570
46650460irq/116-QManpo5029-2110:48:553
46650460irq/116-QManpo5029-2110:48:553
1213599453cyclictest10126-21memory23:04:301
1213599453cyclictest10126-21memory23:04:301
1213599453cyclictest10126-21memory23:04:301
1213599453cyclictest0-21swapper/120:39:181
1213599453cyclictest0-21swapper/120:39:181
1213599453cyclictest0-21swapper/120:39:181
1213599451cyclictest30619-21apt-get23:44:151
1213599451cyclictest30619-21apt-get23:44:151
1213599451cyclictest30619-21apt-get23:44:151
1213599441cyclictest25893-21/usr/sbin/munin22:29:191
1213599441cyclictest25893-21/usr/sbin/munin22:29:191
1213599441cyclictest25893-21/usr/sbin/munin22:29:191
71430rcu_preempt20187-21irqstats23:24:283
71430rcu_preempt20187-21irqstats23:24:283
1213599434cyclictest0-21swapper/121:29:171
1213599434cyclictest0-21swapper/121:29:171
1213599434cyclictest0-21swapper/121:29:171
1213599433cyclictest0-21swapper/121:59:221
1213599433cyclictest0-21swapper/121:59:221
1213599432cyclictest21621-21users22:19:341
1213599432cyclictest21621-21users22:19:341
1213599432cyclictest17955-21ntp_states21:09:341
1213599432cyclictest17955-21ntp_states21:09:341
1213599432cyclictest11536-21missed_timers00:09:291
1213599432cyclictest11536-21missed_timers00:09:291
1213599432cyclictest11536-21missed_timers00:09:291
1213599431cyclictest1959-21runrttasks20:08:411
1213599431cyclictest1959-21runrttasks20:08:411
1213599431cyclictest1959-21runrttasks20:08:411
71420rcu_preempt27140-1kworker/1:1H19:15:481
71420rcu_preempt27140-1kworker/1:1H19:15:481
71420rcu_preempt27140-1kworker/1:1H19:15:481
1213599423cyclictest10764-21irqstats20:44:231
1213599423cyclictest10764-21irqstats20:44:231
1213599423cyclictest10764-21irqstats20:44:231
1213599423cyclictest0-21swapper/123:52:081
1213599423cyclictest0-21swapper/123:52:081
1213599423cyclictest0-21swapper/123:37:401
1213599423cyclictest0-21swapper/123:37:401
1213599423cyclictest0-21swapper/122:37:491
1213599423cyclictest0-21swapper/122:37:491
1213599423cyclictest0-21swapper/122:37:491
1213599423cyclictest0-21swapper/120:19:321
1213599423cyclictest0-21swapper/120:19:321
1213599423cyclictest0-21swapper/120:19:321
1213599423cyclictest0-21swapper/120:19:321
1213599422cyclictest23651-21if_eth322:24:241
1213599422cyclictest23651-21if_eth322:24:241
1213599422cyclictest10956-21ssh00:09:071
1213599422cyclictest10956-21ssh00:09:071
71410rcu_preempt8312-21crond00:04:020
71410rcu_preempt8312-21crond00:04:020
71410rcu_preempt8312-21crond00:04:020
71410rcu_preempt23135-21sendmail-msp22:51:070
71410rcu_preempt23135-21sendmail-msp22:51:070
71410rcu_preempt23135-21sendmail-msp22:51:070
71410rcu_preempt23135-21sendmail-msp22:51:070
71410rcu_preempt14558-21sh19:15:260
71410rcu_preempt14558-21sh19:15:260
71410rcu_preempt14558-21sh19:15:260
71410rcu_preempt0-21swapper/122:59:581
71410rcu_preempt0-21swapper/122:59:581
71410rcu_preempt0-21swapper/122:59:581
71410rcu_preempt0-21swapper/023:49:510
71410rcu_preempt0-21swapper/023:49:510
1213599414cyclictest0-21swapper/123:19:181
1213599414cyclictest0-21swapper/123:19:181
1213599413cyclictest31597-21sendmail-msp20:10:011
1213599413cyclictest31597-21sendmail-msp20:10:011
1213599413cyclictest0-21swapper/123:32:201
1213599413cyclictest0-21swapper/123:32:201
1213599413cyclictest0-21swapper/123:32:201
1213599413cyclictest0-21swapper/122:51:191
1213599413cyclictest0-21swapper/122:51:191
1213599413cyclictest0-21swapper/122:51:191
1213599413cyclictest0-21swapper/122:51:191
1213599413cyclictest0-21swapper/122:14:301
1213599413cyclictest0-21swapper/122:14:301
1213599413cyclictest0-21swapper/122:14:301
1213599413cyclictest0-21swapper/121:44:211
1213599413cyclictest0-21swapper/121:44:211
1213599413cyclictest0-21swapper/121:44:211
1213599413cyclictest0-21swapper/100:17:091
1213599413cyclictest0-21swapper/100:17:091
1213599413cyclictest0-21swapper/100:17:091
1213599413cyclictest0-21swapper/100:03:331
1213599413cyclictest0-21swapper/100:03:331
1213599413cyclictest0-21swapper/100:03:331
1213599412cyclictest8792-21sshd20:37:281
1213599412cyclictest8792-21sshd20:37:281
1213599412cyclictest22279-21irqstats19:29:221
1213599412cyclictest22279-21irqstats19:29:221
1213599412cyclictest22279-21irqstats19:29:221
1213599412cyclictest15517-21users20:59:321
1213599412cyclictest15517-21users20:59:321
1213599412cyclictest15517-21users20:59:321
1213599411cyclictest5166-21apt-get21:49:151
1213599411cyclictest5166-21apt-get21:49:151
1213599411cyclictest5166-21apt-get21:49:151
12135994118cyclictest15865-21ntp_states00:19:281
12135994118cyclictest15865-21ntp_states00:19:281
12135994118cyclictest15865-21ntp_states00:19:281
71400rcu_preempt0-21swapper/122:46:241
71400rcu_preempt0-21swapper/122:46:241
71400rcu_preempt0-21swapper/122:46:241
71400rcu_preempt0-21swapper/022:11:500
71400rcu_preempt0-21swapper/022:11:500
71400rcu_preempt0-21swapper/022:11:500
46050400irq/122-QManpo9848-2110:48:550
46050400irq/122-QManpo9848-2110:48:550
1213599404cyclictest0-21swapper/100:25:491
1213599404cyclictest0-21swapper/100:25:491
1213599403cyclictest0-21swapper/123:18:121
1213599403cyclictest0-21swapper/123:18:121
1213599403cyclictest0-21swapper/123:18:121
1213599403cyclictest0-21swapper/122:54:321
1213599403cyclictest0-21swapper/122:54:321
1213599403cyclictest0-21swapper/122:54:321
1213599403cyclictest0-21swapper/122:40:551
1213599403cyclictest0-21swapper/122:40:551
1213599403cyclictest0-21swapper/121:39:191
1213599403cyclictest0-21swapper/121:39:191
1213599403cyclictest0-21swapper/121:39:191
1213599403cyclictest0-21swapper/120:14:261
1213599403cyclictest0-21swapper/120:14:261
1213599403cyclictest0-21swapper/120:14:261
1213599403cyclictest0-21swapper/119:39:331
1213599403cyclictest0-21swapper/119:39:331
1213599403cyclictest0-21swapper/119:39:331
1213599402cyclictest21662-1kworker/1:0H21:24:041
1213599402cyclictest21662-1kworker/1:0H21:24:041
1213599402cyclictest19131-21diskstats21:14:191
1213599402cyclictest19131-21diskstats21:14:191
1213599402cyclictest14231-21sh22:05:381
1213599402cyclictest14231-21sh22:05:381
1213599402cyclictest12102-21df_inode20:49:181
1213599402cyclictest12102-21df_inode20:49:181
1213599401cyclictest5135-21sed20:24:161
1213599401cyclictest5135-21sed20:24:161
12135994016cyclictest30998-21ssh21:35:221
12135994016cyclictest30998-21ssh21:35:221
71390rcu_preempt0-21swapper/221:14:042
71390rcu_preempt0-21swapper/221:14:042
71390rcu_preempt0-21swapper/023:19:450
71390rcu_preempt0-21swapper/023:19:450
71390rcu_preempt0-21swapper/021:19:140
71390rcu_preempt0-21swapper/021:19:140
71390rcu_preempt0-21swapper/021:01:420
71390rcu_preempt0-21swapper/021:01:420
71390rcu_preempt0-21swapper/021:01:420
71390rcu_preempt0-21swapper/020:00:140
71390rcu_preempt0-21swapper/020:00:140
46050390irq/122-QManpo27576-210
46050390irq/122-QManpo27576-210
1213599393cyclictest31601-21munin-run20:04:041
1213599393cyclictest31601-21munin-run20:04:041
1213599393cyclictest0-21swapper/123:55:281
1213599393cyclictest0-21swapper/123:55:281
1213599393cyclictest0-21swapper/123:55:281
1213599393cyclictest0-21swapper/123:39:291
1213599393cyclictest0-21swapper/123:39:291
1213599393cyclictest0-21swapper/123:24:571
1213599393cyclictest0-21swapper/123:24:571
1213599393cyclictest0-21swapper/123:10:571
1213599393cyclictest0-21swapper/123:10:571
1213599393cyclictest0-21swapper/122:09:181
1213599393cyclictest0-21swapper/122:09:181
1213599393cyclictest0-21swapper/122:09:181
1213599393cyclictest0-21swapper/119:34:301
1213599393cyclictest0-21swapper/119:34:301
1213599393cyclictest0-21swapper/119:34:301
1213599393cyclictest0-21swapper/100:32:421
1213599393cyclictest0-21swapper/100:32:421
1213599392cyclictest20817-21df_inode19:24:181
1213599392cyclictest20817-21df_inode19:24:181
1213599392cyclictest16455-21memory21:04:241
1213599392cyclictest16455-21memory21:04:241
1213599392cyclictest13784-21ntp_states20:54:311
1213599392cyclictest13784-21ntp_states20:54:311
1213599392cyclictest13784-21ntp_states20:54:311
1213599391cyclictest27579-21apt-get19:49:171
1213599391cyclictest27579-21apt-get19:49:171
12135993915cyclictest6534-21df_inode20:29:191
12135993915cyclictest6534-21df_inode20:29:191
12135993914cyclictest26353-21df19:44:191
12135993914cyclictest26353-21df19:44:191
12135993914cyclictest26353-21df19:44:191
71380rcu_preempt1818-21taskset23:49:483
71380rcu_preempt1818-21taskset23:49:483
71380rcu_preempt13681-21sh00:14:292
71380rcu_preempt13681-21sh00:14:292
71380rcu_preempt13681-21sh00:14:292
71380rcu_preempt0-21swapper/320:14:203
71380rcu_preempt0-21swapper/320:14:203
71380rcu_preempt0-21swapper/320:14:203
71380rcu_preempt0-21swapper/222:44:042
71380rcu_preempt0-21swapper/222:44:042
71380rcu_preempt0-21swapper/221:45:582
71380rcu_preempt0-21swapper/221:45:582
71380rcu_preempt0-21swapper/221:45:582
71380rcu_preempt0-21swapper/219:15:382
71380rcu_preempt0-21swapper/219:15:382
71380rcu_preempt0-21swapper/219:15:382
71380rcu_preempt0-21swapper/023:39:140
71380rcu_preempt0-21swapper/023:39:140
71380rcu_preempt0-21swapper/023:36:260
71380rcu_preempt0-21swapper/023:36:260
71380rcu_preempt0-21swapper/022:39:100
71380rcu_preempt0-21swapper/022:39:100
71380rcu_preempt0-21swapper/022:39:100
46050380irq/122-QManpo29793-2110:48:550
46050380irq/122-QManpo29793-2110:48:550
46050380irq/122-QManpo1250-10
46050380irq/122-QManpo1250-10
1213599382cyclictest0-21swapper/121:54:171
1213599382cyclictest0-21swapper/121:54:171
1213599382cyclictest0-21swapper/121:54:171
1213599381cyclictest23013-21apt-get00:34:141
1213599381cyclictest23013-21apt-get00:34:141
1213599381cyclictest23013-21apt-get00:34:141
71370rcu_preempt6603-1kworker/0:0H23:09:370
71370rcu_preempt6603-1kworker/0:0H23:09:370
71370rcu_preempt23891-21ntp_states19:34:300
71370rcu_preempt23891-21ntp_states19:34:300
71370rcu_preempt23891-21ntp_states19:34:300
71370rcu_preempt20095-21sh00:28:300
71370rcu_preempt20095-21sh00:28:300
71370rcu_preempt1967-21runrttasks20:13:560
71370rcu_preempt1967-21runrttasks20:13:560
71370rcu_preempt0-21swapper/223:48:422
71370rcu_preempt0-21swapper/223:48:422
71370rcu_preempt0-21swapper/223:48:422
71370rcu_preempt0-21swapper/223:03:592
71370rcu_preempt0-21swapper/223:03:592
71370rcu_preempt0-21swapper/223:03:592
71370rcu_preempt0-21swapper/221:52:152
71370rcu_preempt0-21swapper/221:52:152
71370rcu_preempt0-21swapper/221:52:152
71370rcu_preempt0-21swapper/023:48:130
71370rcu_preempt0-21swapper/023:48:130
71370rcu_preempt0-21swapper/023:48:130
71370rcu_preempt0-21swapper/023:00:020
71370rcu_preempt0-21swapper/023:00:020
71370rcu_preempt0-21swapper/023:00:020
71370rcu_preempt0-21swapper/022:47:460
71370rcu_preempt0-21swapper/022:47:460
71370rcu_preempt0-21swapper/022:47:460
71370rcu_preempt0-21swapper/022:44:110
71370rcu_preempt0-21swapper/022:44:110
71370rcu_preempt0-21swapper/021:51:570
71370rcu_preempt0-21swapper/021:51:570
71370rcu_preempt0-21swapper/021:51:570
71370rcu_preempt0-21swapper/021:29:110
71370rcu_preempt0-21swapper/020:58:300
71370rcu_preempt0-21swapper/020:58:300
71370rcu_preempt0-21swapper/020:58:300
71370rcu_preempt0-21swapper/019:43:470
71370rcu_preempt0-21swapper/019:43:470
71370rcu_preempt0-21swapper/019:43:470
71370rcu_preempt0-21swapper/000:21:200
71370rcu_preempt0-21swapper/000:21:200
71370rcu_preempt0-21swapper/000:21:200
46050370irq/122-QManpo27292-2110:48:550
46050370irq/122-QManpo27292-2110:48:550
46050370irq/122-QManpo24434-2110:48:550
46050370irq/122-QManpo24434-2110:48:550
46050370irq/122-QManpo23778-210
46050370irq/122-QManpo23778-210
46050370irq/122-QManpo23778-210
46050370irq/122-QManpo23772-2110:48:550
46050370irq/122-QManpo23772-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
299072370sleep026221-1kworker/0:1H19:55:270
299072370sleep026221-1kworker/0:1H19:55:270
1213599373cyclictest0-21swapper/119:19:171
1213599373cyclictest0-21swapper/119:19:171
71360rcu_preempt3548-21sh21:44:363
71360rcu_preempt3548-21sh21:44:363
71360rcu_preempt3548-21sh21:44:363
71360rcu_preempt26928-21sh22:29:482
71360rcu_preempt26928-21sh22:29:482
71360rcu_preempt26928-21sh22:29:482
71360rcu_preempt20630-21/usr/sbin/munin00:29:160
71360rcu_preempt20630-21/usr/sbin/munin00:29:160
71360rcu_preempt0-21swapper/223:24:362
71360rcu_preempt0-21swapper/223:24:362
71360rcu_preempt0-21swapper/222:35:082
71360rcu_preempt0-21swapper/222:35:082
71360rcu_preempt0-21swapper/222:35:082
71360rcu_preempt0-21swapper/222:11:422
71360rcu_preempt0-21swapper/222:11:422
71360rcu_preempt0-21swapper/222:11:422
71360rcu_preempt0-21swapper/022:55:290
71360rcu_preempt0-21swapper/022:55:290
71360rcu_preempt0-21swapper/022:55:290
71360rcu_preempt0-21swapper/022:15:220
71360rcu_preempt0-21swapper/022:15:220
71360rcu_preempt0-21swapper/022:15:220
71360rcu_preempt0-21swapper/020:24:210
71360rcu_preempt0-21swapper/020:24:210
71360rcu_preempt0-21swapper/000:16:270
71360rcu_preempt0-21swapper/000:16:270
71360rcu_preempt0-21swapper/000:16:270
46050360irq/122-QManpo4301-210
46050360irq/122-QManpo4301-210
46050360irq/122-QManpo4301-210
46050360irq/122-QManpo31755-2110:48:550
46050360irq/122-QManpo31755-2110:48:550
46050360irq/122-QManpo31755-2110:48:550
46050360irq/122-QManpo24866-2110:48:550
46050360irq/122-QManpo23131-2110:48:550
46050360irq/122-QManpo23131-2110:48:550
46050360irq/122-QManpo20753-2110:48:550
46050360irq/122-QManpo20753-2110:48:550
46050360irq/122-QManpo19634-2110:48:550
46050360irq/122-QManpo19634-2110:48:550
46050360irq/122-QManpo19486-210
46050360irq/122-QManpo19486-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
2899360migration/31857-21taskset20:12:393
2899360migration/31857-21taskset20:12:393
202712360sleep018266-1kworker/0:2H19:22:080
202712360sleep018266-1kworker/0:2H19:22:080
1213599361cyclictest28958-21apt-get19:54:141
1213599361cyclictest28958-21apt-get19:54:141
71350rcu_preempt4607-21kworker/3:220:49:133
71350rcu_preempt4607-21kworker/3:220:49:133
71350rcu_preempt25535-21ntp_states23:34:303
71350rcu_preempt25535-21ntp_states23:34:303
71350rcu_preempt0-21swapper/323:31:343
71350rcu_preempt0-21swapper/323:31:343
71350rcu_preempt0-21swapper/323:31:343
71350rcu_preempt0-21swapper/322:45:503
71350rcu_preempt0-21swapper/322:45:503
71350rcu_preempt0-21swapper/322:45:503
71350rcu_preempt0-21swapper/322:36:143
71350rcu_preempt0-21swapper/322:36:143
71350rcu_preempt0-21swapper/322:36:143
71350rcu_preempt0-21swapper/223:42:482
71350rcu_preempt0-21swapper/223:42:482
71350rcu_preempt0-21swapper/222:50:372
71350rcu_preempt0-21swapper/222:50:372
71350rcu_preempt0-21swapper/222:50:372
71350rcu_preempt0-21swapper/222:50:372
71350rcu_preempt0-21swapper/222:23:252
71350rcu_preempt0-21swapper/222:23:252
71350rcu_preempt0-21swapper/221:31:282
71350rcu_preempt0-21swapper/221:31:282
71350rcu_preempt0-21swapper/221:31:282
71350rcu_preempt0-21swapper/221:28:232
71350rcu_preempt0-21swapper/221:28:232
71350rcu_preempt0-21swapper/220:46:412
71350rcu_preempt0-21swapper/220:46:412
71350rcu_preempt0-21swapper/220:46:412
71350rcu_preempt0-21swapper/220:14:172
71350rcu_preempt0-21swapper/220:14:172
71350rcu_preempt0-21swapper/220:14:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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