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2026-04-16 - 14:33
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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 Apr 16, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71530rcu_preempt0-21swapper/212:23:332
71530rcu_preempt0-21swapper/212:23:332
71530rcu_preempt0-21swapper/212:23:332
1912199488cyclictest27201-21ssh09:23:381
1912199488cyclictest27201-21ssh09:23:381
46050470irq/122-QManpo18290-2110:48:550
46050470irq/122-QManpo18290-2110:48:550
71460rcu_preempt0-21swapper/209:24:192
71460rcu_preempt0-21swapper/209:24:192
19121994517cyclictest11619-21munin-run08:42:201
19121994517cyclictest11619-21munin-run08:42:201
19121994517cyclictest11619-21munin-run08:42:201
71440rcu_preempt1599migration/010:32:150
71440rcu_preempt1599migration/010:32:150
71440rcu_preempt1599migration/010:32:150
19123994410cyclictest0-21swapper/312:25:103
19123994410cyclictest0-21swapper/312:25:103
19123994410cyclictest0-21swapper/312:25:103
19122994410cyclictest0-21swapper/210:23:112
19122994410cyclictest0-21swapper/210:23:112
19122994410cyclictest0-21swapper/210:23:112
1912199443cyclictest16861-21memory11:02:451
1912199443cyclictest16861-21memory11:02:451
1912199443cyclictest16861-21memory11:02:451
1912199442cyclictest22007-21aten_r4power_po07:22:331
1912199442cyclictest22007-21aten_r4power_po07:22:331
1912199442cyclictest22007-21aten_r4power_po07:22:331
71430rcu_preempt0-21swapper/212:06:222
71430rcu_preempt0-21swapper/212:06:222
71430rcu_preempt0-21swapper/212:06:222
19121994317cyclictest0-21swapper/111:02:231
19121994317cyclictest0-21swapper/111:02:231
71420rcu_preempt0-21swapper/111:31:091
71420rcu_preempt0-21swapper/111:31:091
71420rcu_preempt0-21swapper/111:17:471
71420rcu_preempt0-21swapper/111:17:471
71420rcu_preempt0-21swapper/009:23:420
71420rcu_preempt0-21swapper/009:23:420
46650420irq/116-QManpo17750-213
46650420irq/116-QManpo17750-213
46450420irq/118-QManpo17916-2110:48:552
46450420irq/118-QManpo17916-2110:48:552
46250420irq/120-QManpo19007-2110:48:551
46250420irq/120-QManpo19007-2110:48:551
19123994210cyclictest0-21swapper/309:32:033
19123994210cyclictest0-21swapper/309:32:033
19123994210cyclictest0-21swapper/309:32:033
1912199423cyclictest0-21swapper/112:32:211
1912199423cyclictest0-21swapper/112:32:211
1912199423cyclictest0-21swapper/110:22:221
1912199423cyclictest0-21swapper/110:22:221
1912199423cyclictest0-21swapper/110:22:221
19121994218cyclictest0-21swapper/110:16:481
19121994218cyclictest0-21swapper/110:16:481
19121994217cyclictest0-21swapper/110:43:571
19121994217cyclictest0-21swapper/110:43:571
19121994217cyclictest0-21swapper/110:43:571
19121994217cyclictest0-21swapper/107:57:481
19121994217cyclictest0-21swapper/107:57:481
71410rcu_preempt31923-21kworker/2:310:12:492
71410rcu_preempt31923-21kworker/2:310:12:492
71410rcu_preempt0-21swapper/010:18:590
71410rcu_preempt0-21swapper/010:18:590
71410rcu_preempt0-21swapper/010:18:590
46050410irq/122-QManpo28302-2110:48:550
46050410irq/122-QManpo28302-2110:48:550
46050410irq/122-QManpo28302-2110:48:550
19123994112cyclictest0-21swapper/309:02:383
19123994112cyclictest0-21swapper/309:02:383
19123994112cyclictest0-21swapper/309:02:383
19122994114cyclictest9396-1kworker/2:0H10:57:512
19122994114cyclictest9396-1kworker/2:0H10:57:512
1912199414cyclictest0-21swapper/111:35:591
1912199414cyclictest0-21swapper/111:35:591
1912199414cyclictest0-21swapper/110:32:511
1912199414cyclictest0-21swapper/110:32:511
1912199414cyclictest0-21swapper/110:31:401
1912199414cyclictest0-21swapper/110:31:401
1912199414cyclictest0-21swapper/110:31:401
1912199413cyclictest0-21swapper/112:25:031
1912199413cyclictest0-21swapper/112:25:031
1912199413cyclictest0-21swapper/112:25:031
1912199413cyclictest0-21swapper/112:16:341
1912199413cyclictest0-21swapper/112:16:341
1912199413cyclictest0-21swapper/112:10:051
1912199413cyclictest0-21swapper/112:10:051
1912199413cyclictest0-21swapper/110:47:331
1912199413cyclictest0-21swapper/110:47:331
1912199413cyclictest0-21swapper/110:11:131
1912199413cyclictest0-21swapper/110:11:131
1912199413cyclictest0-21swapper/110:11:131
1912199413cyclictest0-21swapper/109:48:171
1912199413cyclictest0-21swapper/109:48:171
1912199413cyclictest0-21swapper/109:48:171
1912199413cyclictest0-21swapper/109:46:571
1912199413cyclictest0-21swapper/109:46:571
1912199413cyclictest0-21swapper/109:13:261
1912199413cyclictest0-21swapper/109:13:261
1912199413cyclictest0-21swapper/108:57:211
1912199413cyclictest0-21swapper/108:57:211
1912199413cyclictest0-21swapper/108:57:211
1912199413cyclictest0-21swapper/108:12:441
1912199413cyclictest0-21swapper/108:12:441
71400rcu_preempt3872-21kworker/0:412:11:540
71400rcu_preempt3872-21kworker/0:412:11:540
71400rcu_preempt3188-1kworker/0:1H11:37:370
71400rcu_preempt3188-1kworker/0:1H11:37:370
71400rcu_preempt0-21swapper/010:47:590
71400rcu_preempt0-21swapper/010:47:590
19123994017cyclictest29053-21/usr/sbin/munin07:47:343
19123994017cyclictest29053-21/usr/sbin/munin07:47:343
19123994010cyclictest0-21swapper/310:34:083
19123994010cyclictest0-21swapper/310:34:083
1912299408cyclictest0-21swapper/211:22:472
1912299408cyclictest0-21swapper/211:22:472
1912299408cyclictest0-21swapper/211:22:472
1912299408cyclictest0-21swapper/209:57:362
1912299408cyclictest0-21swapper/209:57:362
19122994011cyclictest0-21swapper/207:42:392
19122994011cyclictest0-21swapper/207:42:392
19122994011cyclictest0-21swapper/207:42:392
1912199403cyclictest0-21swapper/112:32:421
1912199403cyclictest0-21swapper/112:32:421
1912199403cyclictest0-21swapper/111:55:231
1912199403cyclictest0-21swapper/111:55:231
1912199403cyclictest0-21swapper/111:49:321
1912199403cyclictest0-21swapper/111:49:321
1912199403cyclictest0-21swapper/111:49:321
1912199403cyclictest0-21swapper/110:24:141
1912199403cyclictest0-21swapper/110:24:141
1912199403cyclictest0-21swapper/110:24:141
1912199403cyclictest0-21swapper/109:59:401
1912199403cyclictest0-21swapper/109:59:401
1912199403cyclictest0-21swapper/109:27:381
1912199403cyclictest0-21swapper/109:27:381
1912199403cyclictest0-21swapper/109:27:381
1912199403cyclictest0-21swapper/109:19:311
1912199403cyclictest0-21swapper/109:19:311
1912199403cyclictest0-21swapper/107:22:211
1912199403cyclictest0-21swapper/107:22:211
19121994017cyclictest0-21swapper/111:25:291
19121994017cyclictest0-21swapper/111:25:291
19121994017cyclictest0-21swapper/111:25:291
71390rcu_preempt19510-21sh11:07:450
71390rcu_preempt19510-21sh11:07:450
71390rcu_preempt19510-21sh11:07:450
71390rcu_preempt0-21swapper/212:21:322
71390rcu_preempt0-21swapper/212:21:322
71390rcu_preempt0-21swapper/212:21:322
71390rcu_preempt0-21swapper/009:44:350
71390rcu_preempt0-21swapper/009:44:350
46050390irq/122-QManpo4112-2110:48:550
46050390irq/122-QManpo4112-2110:48:550
19123993919cyclictest6460-21df_inode08:22:363
19123993919cyclictest6460-21df_inode08:22:363
19123993918cyclictest8573-21ntp_states10:47:483
19123993918cyclictest8573-21ntp_states10:47:483
19123993912cyclictest5364-21ssh09:42:493
19123993912cyclictest5364-21ssh09:42:493
19123993910cyclictest0-21swapper/310:02:253
19123993910cyclictest0-21swapper/310:02:253
19122993914cyclictest14335-21/usr/sbin/munin11:57:502
19122993914cyclictest14335-21/usr/sbin/munin11:57:502
1912199393cyclictest0-21swapper/111:42:531
1912199393cyclictest0-21swapper/111:42:531
1912199393cyclictest0-21swapper/111:42:531
1912199393cyclictest0-21swapper/110:41:361
1912199393cyclictest0-21swapper/110:41:361
1912199393cyclictest0-21swapper/110:03:001
1912199393cyclictest0-21swapper/110:03:001
1912199393cyclictest0-21swapper/107:42:491
1912199393cyclictest0-21swapper/107:42:491
1912199393cyclictest0-21swapper/107:42:491
71380rcu_preempt9271-21sh09:50:580
71380rcu_preempt9271-21sh09:50:580
71380rcu_preempt9271-21sh09:50:580
71380rcu_preempt8739-1kworker/2:1H09:52:332
71380rcu_preempt8739-1kworker/2:1H09:52:332
71380rcu_preempt4721-1kworker/3:0H08:17:343
71380rcu_preempt4721-1kworker/3:0H08:17:343
71380rcu_preempt24688-21basename11:17:340
71380rcu_preempt24688-21basename11:17:340
71380rcu_preempt0-21swapper/211:52:412
71380rcu_preempt0-21swapper/211:52:412
71380rcu_preempt0-21swapper/107:27:321
71380rcu_preempt0-21swapper/107:27:321
71380rcu_preempt0-21swapper/012:28:300
71380rcu_preempt0-21swapper/012:28:300
71380rcu_preempt0-21swapper/011:42:500
71380rcu_preempt0-21swapper/011:42:500
71380rcu_preempt0-21swapper/011:42:500
71380rcu_preempt0-21swapper/011:23:470
71380rcu_preempt0-21swapper/011:23:470
71380rcu_preempt0-21swapper/011:23:470
71380rcu_preempt0-21swapper/011:00:540
71380rcu_preempt0-21swapper/011:00:540
71380rcu_preempt0-21swapper/010:22:520
71380rcu_preempt0-21swapper/010:22:520
71380rcu_preempt0-21swapper/010:22:520
46050380irq/122-QManpo24286210:48:550
46050380irq/122-QManpo24286210:48:550
19123993825cyclictest9831-21latency_hist09:52:263
19123993825cyclictest9831-21latency_hist09:52:263
19123993825cyclictest9831-21latency_hist09:52:263
19123993818cyclictest27152-21memory10:22:433
19123993818cyclictest27152-21memory10:22:433
19123993818cyclictest27152-21memory10:22:433
19123993816cyclictest0-21swapper/311:38:153
19123993816cyclictest0-21swapper/311:38:153
19123993815cyclictest0-21swapper/311:17:343
19123993815cyclictest0-21swapper/311:17:343
19123993814cyclictest0-21swapper/309:22:353
19123993814cyclictest0-21swapper/309:22:353
19123993814cyclictest0-21swapper/308:47:383
19123993814cyclictest0-21swapper/308:47:383
19123993813cyclictest0-21swapper/311:11:463
19123993813cyclictest0-21swapper/311:11:463
19123993813cyclictest0-21swapper/311:11:463
19123993810cyclictest0-21swapper/307:32:303
19123993810cyclictest0-21swapper/307:32:303
19122993819cyclictest18891-21ntp_states10:07:502
19122993819cyclictest18891-21ntp_states10:07:502
19122993819cyclictest18891-21ntp_states10:07:502
19122993814cyclictest1959-21runrttasks12:09:432
19122993814cyclictest1959-21runrttasks12:09:432
19122993811cyclictest21927-21apt-get07:22:302
19122993811cyclictest21927-21apt-get07:22:302
19122993811cyclictest21927-21apt-get07:22:302
71370rcu_preempt31276-21kworker/0:409:32:500
71370rcu_preempt31276-21kworker/0:409:32:500
71370rcu_preempt29725-21sh09:28:180
71370rcu_preempt29725-21sh09:28:180
71370rcu_preempt29725-21sh09:28:180
71370rcu_preempt23980-21sed09:17:502
71370rcu_preempt23980-21sed09:17:502
71370rcu_preempt0-21swapper/212:34:182
71370rcu_preempt0-21swapper/212:34:182
71370rcu_preempt0-21swapper/112:18:361
71370rcu_preempt0-21swapper/112:18:361
71370rcu_preempt0-21swapper/112:18:361
71370rcu_preempt0-21swapper/108:02:401
71370rcu_preempt0-21swapper/108:02:401
71370rcu_preempt0-21swapper/012:17:490
71370rcu_preempt0-21swapper/012:17:490
71370rcu_preempt0-21swapper/012:17:490
71370rcu_preempt0-21swapper/008:52:350
71370rcu_preempt0-21swapper/008:52:350
71370rcu_preempt0-21swapper/008:52:350
46050370irq/122-QManpo30437-2110:48:550
46050370irq/122-QManpo30437-2110:48:550
46050370irq/122-QManpo17464210:48:550
46050370irq/122-QManpo17464210:48:550
46050370irq/122-QManpo17464210:48:550
46050370irq/122-QManpo17346-210
46050370irq/122-QManpo17346-210
46050370irq/122-QManpo17346-210
46050370irq/122-QManpo12285-2110:48:550
46050370irq/122-QManpo12285-2110:48:550
46050370irq/122-QManpo12285-2110:48:550
19123993726cyclictest13510-21apt-get10:57:333
19123993726cyclictest13510-21apt-get10:57:333
19123993725cyclictest26103-21apt-get07:37:323
19123993725cyclictest26103-21apt-get07:37:323
19123993717cyclictest30035-21/usr/sbin/munin10:27:493
19123993717cyclictest30035-21/usr/sbin/munin10:27:493
19123993717cyclictest30035-21/usr/sbin/munin10:27:493
19123993717cyclictest19151-21meminfo09:07:423
19123993717cyclictest19151-21meminfo09:07:423
19123993717cyclictest19151-21meminfo09:07:423
19123993717cyclictest17059-21sendmail-msp12:07:443
19123993717cyclictest17059-21sendmail-msp12:07:443
19123993716cyclictest0-21swapper/312:30:403
19123993716cyclictest0-21swapper/312:30:403
19123993715cyclictest714-21aten_r4power_vo08:02:333
19123993715cyclictest714-21aten_r4power_vo08:02:333
19123993715cyclictest0-21swapper/312:12:353
19123993715cyclictest0-21swapper/312:12:353
19123993715cyclictest0-21swapper/309:39:193
19123993715cyclictest0-21swapper/309:39:193
19123993715cyclictest0-21swapper/309:39:193
19123993715cyclictest0-21swapper/309:12:393
19123993715cyclictest0-21swapper/309:12:393
19123993714cyclictest0-21swapper/308:12:433
19123993714cyclictest0-21swapper/308:12:433
19123993713cyclictest0-21swapper/311:52:513
19123993713cyclictest0-21swapper/311:52:513
19123993710cyclictest31437-21ssh11:28:573
19123993710cyclictest31437-21ssh11:28:573
1599370migration/020080-21latency_hist09:12:250
1599370migration/020080-21latency_hist09:12:250
1599370migration/020080-21latency_hist09:12:250
71360rcu_preempt31248-21/usr/sbin/munin09:32:481
71360rcu_preempt31248-21/usr/sbin/munin09:32:481
71360rcu_preempt0-21swapper/310:08:563
71360rcu_preempt0-21swapper/310:08:563
71360rcu_preempt0-21swapper/310:08:563
71360rcu_preempt0-21swapper/211:37:222
71360rcu_preempt0-21swapper/211:37:222
71360rcu_preempt0-21swapper/112:02:161
71360rcu_preempt0-21swapper/112:02:161
71360rcu_preempt0-21swapper/108:44:201
71360rcu_preempt0-21swapper/108:44:201
71360rcu_preempt0-21swapper/108:44:201
71360rcu_preempt0-21swapper/012:02:440
71360rcu_preempt0-21swapper/012:02:440
71360rcu_preempt0-21swapper/012:02:440
71360rcu_preempt0-21swapper/011:59:360
71360rcu_preempt0-21swapper/011:59:360
71360rcu_preempt0-21swapper/011:27:520
71360rcu_preempt0-21swapper/011:27:520
71360rcu_preempt0-21swapper/011:13:360
71360rcu_preempt0-21swapper/011:13:360
71360rcu_preempt0-21swapper/011:13:360
71360rcu_preempt0-21swapper/009:56:130
71360rcu_preempt0-21swapper/009:56:130
71360rcu_preempt0-21swapper/009:19:380
71360rcu_preempt0-21swapper/009:19:380
71360rcu_preempt0-21swapper/008:17:310
71360rcu_preempt0-21swapper/008:17:310
71360rcu_preempt0-21swapper/007:22:260
46050360irq/122-QManpo7125210:48:550
46050360irq/122-QManpo7125210:48:550
46050360irq/122-QManpo5608-2110:48:550
46050360irq/122-QManpo5608-2110:48:550
46050360irq/122-QManpo5608-2110:48:550
46050360irq/122-QManpo5122-2110:48:550
46050360irq/122-QManpo5122-2110:48:550
46050360irq/122-QManpo27897-2110:48:550
46050360irq/122-QManpo27897-2110:48:550
46050360irq/122-QManpo27897-2110:48:550
46050360irq/122-QManpo15658-210
46050360irq/122-QManpo15658-210
46050360irq/122-QManpo12057-2110:48:550
46050360irq/122-QManpo12057-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
230142360sleep016526-1kworker/0:1H10:15:440
230142360sleep016526-1kworker/0:1H10:15:440
19123993619cyclictest14970-21memory08:52:443
19123993619cyclictest14970-21memory08:52:443
19123993619cyclictest14970-21memory08:52:443
19123993618cyclictest5800-21meminfo10:42:423
19123993618cyclictest5800-21meminfo10:42:423
19123993618cyclictest5800-21meminfo10:42:423
19123993618cyclictest21945-21/usr/sbin/munin07:22:323
19123993618cyclictest21945-21/usr/sbin/munin07:22:323
19123993618cyclictest21945-21/usr/sbin/munin07:22:323
19123993617cyclictest18629-21ssh12:04:113
19123993617cyclictest18629-21ssh12:04:113
19123993617cyclictest18629-21ssh12:04:113
19123993616cyclictest28360-21unixbench_singl11:22:513
19123993616cyclictest28360-21unixbench_singl11:22:513
19123993616cyclictest28360-21unixbench_singl11:22:513
19123993616cyclictest14607-21diskstats11:57:383
19123993616cyclictest14607-21diskstats11:57:383
19123993615cyclictest24270-21memory10:17:433
19123993615cyclictest24270-21memory10:17:433
19123993615cyclictest24270-21memory10:17:433
19123993615cyclictest23076-21/usr/sbin/munin09:17:483
19123993615cyclictest23076-21/usr/sbin/munin09:17:483
19123993614cyclictest0-21swapper/310:57:223
19123993614cyclictest0-21swapper/310:57:223
19123993614cyclictest0-21swapper/310:57:223
19123993612cyclictest16221-21sendmail-msp11:07:043
19123993612cyclictest16221-21sendmail-msp11:07:043
19123993612cyclictest16221-21sendmail-msp11:07:043
1912299369cyclictest8214-21ssh11:46:052
1912299369cyclictest8214-21ssh11:46:052
1912299369cyclictest8214-21ssh11:46:052
19122993616cyclictest23022-21ssh11:13:462
19122993616cyclictest23022-21ssh11:13:462
19122993616cyclictest23022-21ssh11:13:462
19122993616cyclictest17443-1kworker/2:2H11:11:062
19122993616cyclictest17443-1kworker/2:2H11:11:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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