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2026-03-19 - 19:59
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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 Mar 19, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71820rcu_preempt0-21swapper/211:33:352
71820rcu_preempt0-21swapper/211:33:352
71810rcu_preempt0-21swapper/011:33:080
71810rcu_preempt0-21swapper/011:33:080
221799594cyclictest0-21swapper/009:47:010
221799594cyclictest0-21swapper/009:47:010
221799534cyclictest0-21swapper/008:32:140
221799534cyclictest0-21swapper/008:32:140
221799534cyclictest0-21swapper/008:32:140
221799533cyclictest26261-21memory08:37:110
221799533cyclictest26261-21memory08:37:110
221799533cyclictest26261-21memory08:37:110
221799532cyclictest22105-21meminfo08:22:100
221799532cyclictest22105-21meminfo08:22:100
221799531cyclictest0-21swapper/010:26:560
221799531cyclictest0-21swapper/010:26:560
221799531cyclictest0-21swapper/010:26:560
221799523cyclictest0-21swapper/010:39:030
221799523cyclictest0-21swapper/010:39:030
221799523cyclictest0-21swapper/010:39:030
2217995214cyclictest32060-21ssh10:02:150
2217995214cyclictest32060-21ssh10:02:150
2217995214cyclictest32060-21ssh10:02:150
221799513cyclictest0-21swapper/011:37:070
221799513cyclictest0-21swapper/011:37:070
221799512cyclictest3653-21apt-get07:17:010
221799512cyclictest3653-21apt-get07:17:010
221799512cyclictest3653-21apt-get07:17:010
221799512cyclictest21571-21apt10:41:580
221799512cyclictest21571-21apt10:41:580
221799512cyclictest21571-21apt10:41:580
221799511cyclictest8798-21apt-get11:17:000
221799511cyclictest8798-21apt-get11:17:000
221799503cyclictest0-21swapper/012:41:540
221799503cyclictest0-21swapper/012:41:540
221799503cyclictest0-21swapper/012:41:540
221799503cyclictest0-21swapper/012:12:080
221799503cyclictest0-21swapper/012:12:080
221799503cyclictest0-21swapper/012:02:350
221799503cyclictest0-21swapper/012:02:350
221799503cyclictest0-21swapper/012:02:350
221799503cyclictest0-21swapper/011:43:410
221799503cyclictest0-21swapper/011:43:410
221799503cyclictest0-21swapper/011:43:410
221799503cyclictest0-21swapper/008:42:030
221799503cyclictest0-21swapper/008:42:030
221799503cyclictest0-21swapper/008:42:030
221799502cyclictest6608-21meminfo09:17:100
221799502cyclictest6608-21meminfo09:17:100
221799502cyclictest6608-21meminfo09:17:100
221799502cyclictest612-21diskstats09:02:070
221799502cyclictest612-21diskstats09:02:070
221799493cyclictest0-21swapper/012:26:080
221799493cyclictest0-21swapper/012:26:080
221799493cyclictest0-21swapper/011:48:140
221799493cyclictest0-21swapper/011:48:140
221799493cyclictest0-21swapper/011:07:290
221799493cyclictest0-21swapper/011:07:290
221799493cyclictest0-21swapper/011:04:330
221799493cyclictest0-21swapper/011:04:330
221799493cyclictest0-21swapper/011:04:330
221799493cyclictest0-21swapper/011:04:330
221799493cyclictest0-21swapper/010:57:200
221799493cyclictest0-21swapper/010:57:200
221799493cyclictest0-21swapper/010:57:200
221799493cyclictest0-21swapper/010:36:120
221799493cyclictest0-21swapper/010:36:120
221799493cyclictest0-21swapper/010:07:160
221799493cyclictest0-21swapper/010:07:160
221799493cyclictest0-21swapper/008:12:130
221799493cyclictest0-21swapper/008:12:130
221799492cyclictest7914-21meminfo10:17:100
221799492cyclictest7914-21meminfo10:17:100
221799492cyclictest7914-21meminfo10:17:100
221799492cyclictest12158-21meminfo09:27:110
221799492cyclictest12158-21meminfo09:27:110
71480rcu_preempt0-21swapper/210:22:342
71480rcu_preempt0-21swapper/210:22:342
71480rcu_preempt0-21swapper/210:22:342
221799488cyclictest16103-21ssh09:33:540
221799488cyclictest16103-21ssh09:33:540
221799483cyclictest0-21swapper/012:17:480
221799483cyclictest0-21swapper/012:17:480
221799483cyclictest0-21swapper/011:52:500
221799483cyclictest0-21swapper/011:52:500
221799483cyclictest0-21swapper/011:12:410
221799483cyclictest0-21swapper/011:12:410
221799483cyclictest0-21swapper/009:54:330
221799483cyclictest0-21swapper/009:54:330
221799482cyclictest20866-21ssh12:36:010
221799482cyclictest20866-21ssh12:36:010
221799482cyclictest20866-21ssh12:36:010
221799482cyclictest0-21swapper/010:27:170
221799482cyclictest0-21swapper/010:27:170
221799482cyclictest0-21swapper/009:39:040
221799482cyclictest0-21swapper/009:39:040
221799482cyclictest0-21swapper/009:39:040
2217994817cyclictest0-21swapper/009:45:100
2217994817cyclictest0-21swapper/009:45:100
2217994817cyclictest0-21swapper/009:45:100
2217994815cyclictest15998-21munin-run08:01:500
2217994815cyclictest15998-21munin-run08:01:500
221799479cyclictest0-21swapper/007:37:000
221799479cyclictest0-21swapper/007:37:000
221799479cyclictest0-21swapper/007:37:000
221799474cyclictest0-21swapper/009:12:150
221799474cyclictest0-21swapper/009:12:150
221799474cyclictest0-21swapper/009:12:150
221799473cyclictest10051-1ssh09:22:230
221799473cyclictest10051-1ssh09:22:230
221799473cyclictest10051-1ssh09:22:230
221799473cyclictest0-21swapper/010:54:080
221799473cyclictest0-21swapper/010:54:080
221799472cyclictest4795-21irqstats12:07:100
221799472cyclictest4795-21irqstats12:07:100
221799472cyclictest17389-21munin-run08:06:500
221799472cyclictest17389-21munin-run08:06:500
221799471cyclictest13436-21ssh11:24:410
221799471cyclictest13436-21ssh11:24:410
221799471cyclictest13436-21ssh11:24:410
2217994717cyclictest0-21swapper/012:27:020
2217994717cyclictest0-21swapper/012:27:020
2217994714cyclictest32724-21sshd11:58:350
2217994714cyclictest32724-21sshd11:58:350
2217994714cyclictest32724-21sshd11:58:350
2217994713cyclictest14341-21apt-get11:27:020
2217994713cyclictest14341-21apt-get11:27:020
221799468cyclictest2778-21ntp_states07:12:150
221799468cyclictest2778-21ntp_states07:12:150
221799463cyclictest0-21swapper/009:57:110
221799463cyclictest0-21swapper/009:57:110
221799463cyclictest0-21swapper/009:57:110
221799463cyclictest0-21swapper/008:52:000
221799463cyclictest0-21swapper/008:52:000
2217994613cyclictest0-21swapper/007:24:350
2217994613cyclictest0-21swapper/007:24:350
221799458cyclictest11134-21open_inodes07:42:150
221799458cyclictest11134-21open_inodes07:42:150
221799457cyclictest4778-21df10:12:020
221799457cyclictest4778-21df10:12:020
221799452cyclictest29151-21ntp_states08:47:130
221799452cyclictest29151-21ntp_states08:47:130
221799452cyclictest0-21swapper/009:01:500
221799452cyclictest0-21swapper/009:01:500
221799452cyclictest0-21swapper/009:01:500
221799452cyclictest0-21swapper/007:32:000
221799452cyclictest0-21swapper/007:32:000
221799451cyclictest0-21swapper/008:21:510
221799451cyclictest0-21swapper/008:21:510
2217994513cyclictest0-21swapper/007:47:040
2217994513cyclictest0-21swapper/007:47:040
71440rcu_preempt0-21swapper/107:07:111
71440rcu_preempt0-21swapper/107:07:111
221799447cyclictest6665-21sed07:27:050
221799447cyclictest6665-21sed07:27:050
221799444cyclictest0-21swapper/010:47:470
221799444cyclictest0-21swapper/010:47:470
221799437cyclictest14060-21timerandwakeup07:52:170
221799437cyclictest14060-21timerandwakeup07:52:170
221799432cyclictest22651-1kworker/0:2H08:27:110
221799432cyclictest22651-1kworker/0:2H08:27:110
2217994310cyclictest18397-21sed08:07:200
2217994310cyclictest18397-21sed08:07:200
71420rcu_preempt0-21swapper/212:06:522
71420rcu_preempt0-21swapper/212:06:522
71420rcu_preempt0-21swapper/212:06:522
71420rcu_preempt0-21swapper/111:44:331
71420rcu_preempt0-21swapper/111:44:331
71420rcu_preempt0-21swapper/111:44:331
71410rcu_preempt31339-21sendmail-msp10:04:331
71410rcu_preempt31339-21sendmail-msp10:04:331
71410rcu_preempt31339-21sendmail-msp10:04:331
71400rcu_preempt1699migration/112:38:101
71400rcu_preempt1699migration/112:38:101
71400rcu_preempt1699migration/112:38:101
71400rcu_preempt0-21swapper/107:41:561
71400rcu_preempt0-21swapper/107:41:561
71400rcu_preempt0-21swapper/007:11:520
71400rcu_preempt0-21swapper/007:11:520
221799406cyclictest0-21swapper/009:09:560
221799406cyclictest0-21swapper/009:09:560
221799406cyclictest0-21swapper/009:09:560
71390rcu_preempt17152-1kworker/1:2H08:07:021
71390rcu_preempt17152-1kworker/1:2H08:07:021
71390rcu_preempt0-21swapper/209:24:462
71390rcu_preempt0-21swapper/209:24:462
71390rcu_preempt0-21swapper/209:24:462
71390rcu_preempt0-21swapper/112:22:511
71390rcu_preempt0-21swapper/112:22:511
71390rcu_preempt0-21swapper/111:27:421
71390rcu_preempt0-21swapper/111:27:421
71390rcu_preempt0-21swapper/110:23:321
71390rcu_preempt0-21swapper/110:23:321
71390rcu_preempt0-21swapper/110:23:321
71390rcu_preempt0-21swapper/108:02:061
71390rcu_preempt0-21swapper/108:02:061
71380rcu_preempt22420-1kworker/2:2H10:57:362
71380rcu_preempt22420-1kworker/2:2H10:57:362
71380rcu_preempt22420-1kworker/2:2H10:57:362
71380rcu_preempt20989-21vmstat11:37:193
71380rcu_preempt20989-21vmstat11:37:193
71380rcu_preempt0-21swapper/310:24:093
71380rcu_preempt0-21swapper/310:24:093
71380rcu_preempt0-21swapper/310:24:093
71380rcu_preempt0-21swapper/111:16:541
71380rcu_preempt0-21swapper/111:16:541
71380rcu_preempt0-21swapper/108:12:001
71380rcu_preempt0-21swapper/108:12:001
71380rcu_preempt0-21swapper/107:19:131
71380rcu_preempt0-21swapper/107:19:131
71380rcu_preempt0-21swapper/107:19:131
71370rcu_preempt32651-21sendmail-msp11:05:471
71370rcu_preempt32651-21sendmail-msp11:05:471
71370rcu_preempt32651-21sendmail-msp11:05:471
71370rcu_preempt32651-21sendmail-msp11:05:471
71370rcu_preempt31302-21copy08:57:001
71370rcu_preempt31302-21copy08:57:001
71370rcu_preempt31302-21copy08:57:001
71370rcu_preempt13168-21sh11:23:542
71370rcu_preempt13168-21sh11:23:542
71370rcu_preempt13168-21sh11:23:542
71370rcu_preempt0-21swapper/311:25:453
71370rcu_preempt0-21swapper/311:25:453
71370rcu_preempt0-21swapper/311:25:453
71370rcu_preempt0-21swapper/209:50:582
71370rcu_preempt0-21swapper/209:50:582
71370rcu_preempt0-21swapper/112:17:361
71370rcu_preempt0-21swapper/112:17:361
71370rcu_preempt0-21swapper/111:40:451
71370rcu_preempt0-21swapper/111:40:451
71370rcu_preempt0-21swapper/110:01:441
71370rcu_preempt0-21swapper/110:01:441
71370rcu_preempt0-21swapper/110:01:441
71370rcu_preempt0-21swapper/109:23:411
71370rcu_preempt0-21swapper/109:23:411
71370rcu_preempt0-21swapper/109:23:411
71370rcu_preempt0-21swapper/108:19:051
71370rcu_preempt0-21swapper/108:19:051
46650370irq/116-QManpo0-2110:48:553
46650370irq/116-QManpo0-2110:48:553
71360rcu_preempt12833-21sendmail-msp12:25:242
71360rcu_preempt12833-21sendmail-msp12:25:242
71360rcu_preempt0-21swapper/312:26:413
71360rcu_preempt0-21swapper/312:26:413
71360rcu_preempt0-21swapper/311:15:473
71360rcu_preempt0-21swapper/311:15:473
71360rcu_preempt0-21swapper/211:05:432
71360rcu_preempt0-21swapper/211:05:432
71360rcu_preempt0-21swapper/211:05:432
71360rcu_preempt0-21swapper/211:05:432
71360rcu_preempt0-21swapper/210:43:302
71360rcu_preempt0-21swapper/210:43:302
71360rcu_preempt0-21swapper/210:43:302
71360rcu_preempt0-21swapper/111:24:001
71360rcu_preempt0-21swapper/111:24:001
71360rcu_preempt0-21swapper/111:24:001
71360rcu_preempt0-21swapper/111:21:141
71360rcu_preempt0-21swapper/111:21:141
71360rcu_preempt0-21swapper/110:54:261
71360rcu_preempt0-21swapper/110:54:261
71360rcu_preempt0-21swapper/108:42:201
71360rcu_preempt0-21swapper/108:42:201
71360rcu_preempt0-21swapper/108:42:201
71350rcu_preempt8523-21kworker/1:209:27:021
71350rcu_preempt8523-21kworker/1:209:27:021
71350rcu_preempt27856-21ssh09:55:182
71350rcu_preempt27856-21ssh09:55:182
71350rcu_preempt2017-21df_inode10:07:051
71350rcu_preempt2017-21df_inode10:07:051
71350rcu_preempt16710-21sh09:35:302
71350rcu_preempt16710-21sh09:35:302
71350rcu_preempt1592-21sendmail-msp12:05:491
71350rcu_preempt1592-21sendmail-msp12:05:491
71350rcu_preempt1592-21sendmail-msp12:05:491
71350rcu_preempt0-21swapper/311:29:463
71350rcu_preempt0-21swapper/311:29:463
71350rcu_preempt0-21swapper/310:47:143
71350rcu_preempt0-21swapper/310:47:143
71350rcu_preempt0-21swapper/212:36:542
71350rcu_preempt0-21swapper/212:36:542
71350rcu_preempt0-21swapper/212:36:542
71350rcu_preempt0-21swapper/211:47:072
71350rcu_preempt0-21swapper/211:47:072
71350rcu_preempt0-21swapper/210:03:572
71350rcu_preempt0-21swapper/210:03:572
71350rcu_preempt0-21swapper/210:03:572
71350rcu_preempt0-21swapper/110:44:361
71350rcu_preempt0-21swapper/110:44:361
71350rcu_preempt0-21swapper/110:44:361
71350rcu_preempt0-21swapper/110:39:461
71350rcu_preempt0-21swapper/110:39:461
71350rcu_preempt0-21swapper/110:39:461
71350rcu_preempt0-21swapper/109:46:301
71350rcu_preempt0-21swapper/109:46:301
71350rcu_preempt0-21swapper/109:46:301
71350rcu_preempt0-21swapper/109:37:421
71350rcu_preempt0-21swapper/109:37:421
71350rcu_preempt0-21swapper/109:37:421
71350rcu_preempt0-21swapper/109:17:481
71350rcu_preempt0-21swapper/109:17:481
71350rcu_preempt0-21swapper/109:17:481
71350rcu_preempt0-21swapper/107:52:071
71350rcu_preempt0-21swapper/107:52:071
71340rcu_preempt5554-21sh12:07:471
71340rcu_preempt5554-21sh12:07:471
71340rcu_preempt12670-1vmstat09:27:202
71340rcu_preempt12670-1vmstat09:27:202
71340rcu_preempt0-21swapper/212:17:322
71340rcu_preempt0-21swapper/212:17:322
71340rcu_preempt0-21swapper/211:27:242
71340rcu_preempt0-21swapper/211:27:242
71340rcu_preempt0-21swapper/211:18:572
71340rcu_preempt0-21swapper/211:18:572
71340rcu_preempt0-21swapper/211:11:432
71340rcu_preempt0-21swapper/211:11:432
71340rcu_preempt0-21swapper/210:36:052
71340rcu_preempt0-21swapper/210:36:052
71340rcu_preempt0-21swapper/208:53:222
71340rcu_preempt0-21swapper/208:53:222
71340rcu_preempt0-21swapper/208:43:082
71340rcu_preempt0-21swapper/208:43:082
71340rcu_preempt0-21swapper/208:43:082
71340rcu_preempt0-21swapper/207:59:472
71340rcu_preempt0-21swapper/207:59:472
71340rcu_preempt0-21swapper/207:52:022
71340rcu_preempt0-21swapper/207:52:022
71340rcu_preempt0-21swapper/207:21:572
71340rcu_preempt0-21swapper/207:21:572
71340rcu_preempt0-21swapper/112:31:231
71340rcu_preempt0-21swapper/112:31:231
71340rcu_preempt0-21swapper/111:56:011
71340rcu_preempt0-21swapper/111:56:011
71340rcu_preempt0-21swapper/111:51:101
71340rcu_preempt0-21swapper/111:51:101
71340rcu_preempt0-21swapper/111:10:571
71340rcu_preempt0-21swapper/111:10:571
71340rcu_preempt0-21swapper/109:47:371
71340rcu_preempt0-21swapper/109:47:371
71340rcu_preempt0-21swapper/109:35:221
71340rcu_preempt0-21swapper/109:35:221
71340rcu_preempt0-21swapper/108:51:121
71340rcu_preempt0-21swapper/108:51:121
71340rcu_preempt0-21swapper/107:49:371
71340rcu_preempt0-21swapper/107:49:371
71340rcu_preempt0-21swapper/107:30:201
71340rcu_preempt0-21swapper/107:30:201
46450340irq/118-QManpo666-2110:48:552
46450340irq/118-QManpo666-2110:48:552
71330rcu_preempt31337-1kworker/2:0H08:57:082
71330rcu_preempt31337-1kworker/2:0H08:57:082
71330rcu_preempt31337-1kworker/2:0H08:57:082
71330rcu_preempt31252-21ssh10:58:151
71330rcu_preempt31252-21ssh10:58:151
71330rcu_preempt31252-21ssh10:58:151
71330rcu_preempt11968-1taskset09:27:063
71330rcu_preempt11968-1taskset09:27:063
71330rcu_preempt0-21swapper/308:42:073
71330rcu_preempt0-21swapper/308:42:073
71330rcu_preempt0-21swapper/308:42:073
71330rcu_preempt0-21swapper/212:41:442
71330rcu_preempt0-21swapper/212:41:442
71330rcu_preempt0-21swapper/212:41:442
71330rcu_preempt0-21swapper/212:15:062
71330rcu_preempt0-21swapper/212:15:062
71330rcu_preempt0-21swapper/212:11:372
71330rcu_preempt0-21swapper/212:11:372
71330rcu_preempt0-21swapper/211:56:542
71330rcu_preempt0-21swapper/211:56:542
71330rcu_preempt0-21swapper/211:41:172
71330rcu_preempt0-21swapper/211:41:172
71330rcu_preempt0-21swapper/210:54:462
71330rcu_preempt0-21swapper/210:54:462
71330rcu_preempt0-21swapper/210:37:012
71330rcu_preempt0-21swapper/210:37:012
71330rcu_preempt0-21swapper/210:37:012
71330rcu_preempt0-21swapper/210:19:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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