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2026-07-19 - 23:43
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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 Jul 19, 2026 12:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/309:55:513
71610rcu_preempt0-21swapper/309:55:513
71610rcu_preempt0-21swapper/309:55:513
2871799589cyclictest24732-21basename08:49:130
2871799589cyclictest24732-21basename08:49:130
2871799553cyclictest0-21swapper/010:39:250
2871799553cyclictest0-21swapper/010:39:250
2871799553cyclictest0-21swapper/010:39:250
2871799523cyclictest2377-21apt-get07:29:090
2871799523cyclictest2377-21apt-get07:29:090
2871799523cyclictest2377-21apt-get07:29:090
2871799523cyclictest0-21swapper/011:19:260
2871799523cyclictest0-21swapper/011:19:260
2871799523cyclictest0-21swapper/011:19:260
2871799523cyclictest0-21swapper/011:19:260
46050510irq/122-QManpo20219-2110:48:550
46050510irq/122-QManpo20219-2110:48:550
2871799514cyclictest0-21swapper/009:34:290
2871799514cyclictest0-21swapper/009:34:290
2871799514cyclictest0-21swapper/009:34:290
2871799513cyclictest0-21swapper/011:46:230
2871799513cyclictest0-21swapper/011:46:230
2871799513cyclictest0-21swapper/010:10:590
2871799513cyclictest0-21swapper/010:10:590
2871799513cyclictest0-21swapper/009:52:520
2871799513cyclictest0-21swapper/009:52:520
28717995117cyclictest5114-21df09:24:130
28717995117cyclictest5114-21df09:24:130
28717995117cyclictest5114-21df09:24:130
2871799504cyclictest0-21swapper/011:33:290
2871799504cyclictest0-21swapper/011:33:290
2871799504cyclictest0-21swapper/010:29:130
2871799504cyclictest0-21swapper/010:29:130
2871799504cyclictest0-21swapper/010:29:130
2871799503cyclictest0-21swapper/012:13:060
2871799503cyclictest0-21swapper/012:13:060
2871799503cyclictest0-21swapper/012:13:060
2871799503cyclictest0-21swapper/011:58:380
2871799503cyclictest0-21swapper/011:58:380
2871799503cyclictest0-21swapper/011:58:380
2871799502cyclictest2001-21meminfo12:29:220
2871799502cyclictest2001-21meminfo12:29:220
2871799502cyclictest2001-21meminfo12:29:220
2871799502cyclictest14367-21users08:09:300
2871799502cyclictest14367-21users08:09:300
2871799502cyclictest14367-21users08:09:300
2871799502cyclictest1048-21aten_r4power_vo07:24:140
2871799502cyclictest1048-21aten_r4power_vo07:24:140
2871799502cyclictest1048-21aten_r4power_vo07:24:140
28717995018cyclictest15165-21ssh11:51:250
28717995018cyclictest15165-21ssh11:51:250
28717995013cyclictest6029-21taskset07:39:370
28717995013cyclictest6029-21taskset07:39:370
2871799493cyclictest0-21swapper/012:38:530
2871799493cyclictest0-21swapper/012:38:530
2871799493cyclictest0-21swapper/012:38:530
2871799493cyclictest0-21swapper/012:14:170
2871799493cyclictest0-21swapper/012:14:170
2871799493cyclictest0-21swapper/012:14:170
2871799493cyclictest0-21swapper/011:17:260
2871799493cyclictest0-21swapper/011:17:260
2871799493cyclictest0-21swapper/011:17:260
2871799493cyclictest0-21swapper/011:17:260
2871799493cyclictest0-21swapper/011:04:520
2871799493cyclictest0-21swapper/011:04:520
2871799493cyclictest0-21swapper/011:04:520
2871799492cyclictest15392-21ntp_states08:14:240
2871799492cyclictest15392-21ntp_states08:14:240
2871799492cyclictest15392-21ntp_states08:14:240
2871799491cyclictest30405-21ssh12:21:240
2871799491cyclictest30405-21ssh12:21:240
2871799491cyclictest30405-21ssh12:21:240
2871799491cyclictest0-21swapper/010:19:220
2871799491cyclictest0-21swapper/010:19:220
28717994919cyclictest12153-1kworker/0:1H11:59:260
28717994919cyclictest12153-1kworker/0:1H11:59:260
28717994916cyclictest0-21swapper/010:24:510
28717994916cyclictest0-21swapper/010:24:510
28717994916cyclictest0-21swapper/010:24:510
28717994914cyclictest3540-21ssh09:20:480
28717994914cyclictest3540-21ssh09:20:480
28717994914cyclictest3540-21ssh09:20:480
71480rcu_preempt0-21swapper/311:00:413
71480rcu_preempt0-21swapper/311:00:413
71480rcu_preempt0-21swapper/311:00:413
2871799483cyclictest0-21swapper/012:28:270
2871799483cyclictest0-21swapper/012:28:270
2871799483cyclictest0-21swapper/012:28:270
2871799483cyclictest0-21swapper/010:52:150
2871799483cyclictest0-21swapper/010:52:150
2871799483cyclictest0-21swapper/010:35:330
2871799483cyclictest0-21swapper/010:35:330
2871799483cyclictest0-21swapper/009:56:170
2871799483cyclictest0-21swapper/009:56:170
2871799483cyclictest0-21swapper/009:56:170
2871799482cyclictest23758-21ntp_states08:44:260
2871799482cyclictest23758-21ntp_states08:44:260
2871799482cyclictest19303-21diskstats08:29:160
2871799482cyclictest19303-21diskstats08:29:160
2871799481cyclictest0-21swapper/009:29:100
2871799481cyclictest0-21swapper/009:29:100
2871799481cyclictest0-21swapper/009:29:100
28717994817cyclictest0-21swapper/011:24:270
28717994817cyclictest0-21swapper/011:24:270
28717994817cyclictest0-21swapper/011:24:270
28717994814cyclictest0-21swapper/009:39:260
28717994814cyclictest0-21swapper/009:39:260
28717994814cyclictest0-21swapper/009:39:260
28717994813cyclictest6615-21/usr/sbin/munin12:39:240
28717994813cyclictest6615-21/usr/sbin/munin12:39:240
28717994813cyclictest6615-21/usr/sbin/munin12:39:240
28717994813cyclictest31874-21df_inode09:14:140
28717994813cyclictest31874-21df_inode09:14:140
2871799474cyclictest22780-21apt-get09:59:100
2871799474cyclictest22780-21apt-get09:59:100
2871799474cyclictest0-21swapper/010:45:410
2871799474cyclictest0-21swapper/010:45:410
2871799474cyclictest0-21swapper/010:45:410
2871799473cyclictest0-21swapper/011:04:010
2871799473cyclictest0-21swapper/011:04:010
2871799473cyclictest0-21swapper/011:04:010
2871799473cyclictest0-21swapper/008:59:170
2871799473cyclictest0-21swapper/008:59:170
2871799473cyclictest0-21swapper/007:34:380
2871799473cyclictest0-21swapper/007:34:380
2871799473cyclictest0-21swapper/007:34:380
2871799473cyclictest0-21swapper/007:23:590
2871799473cyclictest0-21swapper/007:23:590
2871799472cyclictest17016-21ssh09:47:270
2871799472cyclictest17016-21ssh09:47:270
2871799472cyclictest17016-21ssh09:47:270
28717994715cyclictest0-21swapper/007:49:010
28717994715cyclictest0-21swapper/007:49:010
28717994715cyclictest0-21swapper/007:49:010
28717994713cyclictest23103-21sendmail-msp08:58:230
28717994713cyclictest23103-21sendmail-msp08:58:230
2871799463cyclictest0-21swapper/011:36:530
2871799463cyclictest0-21swapper/011:36:530
2871799463cyclictest0-21swapper/008:19:250
2871799463cyclictest0-21swapper/008:19:250
2871799462cyclictest31138-21chrt10:14:270
2871799462cyclictest31138-21chrt10:14:270
2871799462cyclictest29049-21df_inode09:04:150
2871799462cyclictest29049-21df_inode09:04:150
2871799461cyclictest3326-21sendmail-msp10:57:270
2871799461cyclictest3326-21sendmail-msp10:57:270
2871799461cyclictest3326-21sendmail-msp10:57:270
2871799461cyclictest0-21swapper/008:28:030
2871799461cyclictest0-21swapper/008:28:030
28717994610cyclictest30713-21sort07:14:440
28717994610cyclictest30713-21sort07:14:440
71450rcu_preempt2806-21taskset12:30:282
71450rcu_preempt2806-21taskset12:30:282
71450rcu_preempt2806-21taskset12:30:282
2871799452cyclictest10322-21ssh11:42:340
2871799452cyclictest10322-21ssh11:42:340
2871799452cyclictest0-21swapper/008:04:220
2871799452cyclictest0-21swapper/008:04:220
2871799452cyclictest0-21swapper/008:04:220
2871799451cyclictest0-21swapper/007:54:220
2871799451cyclictest0-21swapper/007:54:220
28717994514cyclictest0-21swapper/012:04:130
28717994514cyclictest0-21swapper/012:04:130
28717994514cyclictest0-21swapper/012:04:130
28717994415cyclictest0-21swapper/007:49:180
28717994415cyclictest0-21swapper/007:49:180
28717994412cyclictest0-21swapper/010:07:440
28717994412cyclictest0-21swapper/010:07:440
28717994412cyclictest0-21swapper/010:07:440
71430rcu_preempt21942-21grep07:10:052
71430rcu_preempt21942-21grep07:10:052
71430rcu_preempt21254-21multi.sh07:09:421
71430rcu_preempt21254-21multi.sh07:09:421
2871799437cyclictest0-21swapper/011:14:020
2871799437cyclictest0-21swapper/011:14:020
2871799437cyclictest0-21swapper/011:14:020
2871799433cyclictest0-21swapper/008:44:010
2871799433cyclictest0-21swapper/008:44:010
71420rcu_preempt32540-1kworker/1:2H12:34:191
71420rcu_preempt32540-1kworker/1:2H12:34:191
71420rcu_preempt32540-1kworker/1:2H12:34:191
71420rcu_preempt0-21swapper/112:01:021
71420rcu_preempt0-21swapper/112:01:021
46650420irq/116-QManpo19949-2110:48:553
46650420irq/116-QManpo19949-2110:48:553
2871799422cyclictest0-21swapper/008:03:590
2871799422cyclictest0-21swapper/008:03:590
71410rcu_preempt8402-21crond10:33:582
71410rcu_preempt8402-21crond10:33:582
71410rcu_preempt8402-21crond10:33:582
71410rcu_preempt0-21swapper/207:49:092
71410rcu_preempt0-21swapper/207:49:092
71410rcu_preempt0-21swapper/109:36:131
71410rcu_preempt0-21swapper/109:36:131
71410rcu_preempt0-21swapper/109:36:131
71400rcu_preempt0-21swapper/208:43:592
71400rcu_preempt0-21swapper/208:43:592
71390rcu_preempt0-21swapper/211:22:332
71390rcu_preempt0-21swapper/211:22:332
71390rcu_preempt0-21swapper/211:22:332
71390rcu_preempt0-21swapper/211:22:332
71390rcu_preempt0-21swapper/210:42:082
71390rcu_preempt0-21swapper/210:42:082
71390rcu_preempt0-21swapper/210:42:082
71390rcu_preempt0-21swapper/210:34:122
71390rcu_preempt0-21swapper/210:34:122
71390rcu_preempt0-21swapper/112:20:251
71390rcu_preempt0-21swapper/112:20:251
71390rcu_preempt0-21swapper/112:20:251
71390rcu_preempt0-21swapper/111:55:021
71390rcu_preempt0-21swapper/111:55:021
71390rcu_preempt0-21swapper/111:55:021
71390rcu_preempt0-21swapper/110:19:351
71390rcu_preempt0-21swapper/110:19:351
71390rcu_preempt0-21swapper/108:34:201
71390rcu_preempt0-21swapper/108:34:201
71390rcu_preempt0-21swapper/107:14:301
71390rcu_preempt0-21swapper/107:14:301
71380rcu_preempt12295-1kworker/1:3H10:49:301
71380rcu_preempt12295-1kworker/1:3H10:49:301
71380rcu_preempt0-21swapper/212:08:092
71380rcu_preempt0-21swapper/212:08:092
71380rcu_preempt0-21swapper/212:08:092
71380rcu_preempt0-21swapper/211:37:442
71380rcu_preempt0-21swapper/211:37:442
71380rcu_preempt0-21swapper/209:46:302
71380rcu_preempt0-21swapper/209:46:302
71380rcu_preempt0-21swapper/209:46:302
71380rcu_preempt0-21swapper/111:51:151
71380rcu_preempt0-21swapper/111:51:151
71380rcu_preempt0-21swapper/111:42:571
71380rcu_preempt0-21swapper/111:42:571
71380rcu_preempt0-21swapper/107:49:031
71380rcu_preempt0-21swapper/107:49:031
71380rcu_preempt0-21swapper/107:49:031
71370rcu_preempt574-21kswapd008:34:082
71370rcu_preempt574-21kswapd008:34:082
71370rcu_preempt5695-1kworker/2:0H12:40:212
71370rcu_preempt5695-1kworker/2:0H12:40:212
71370rcu_preempt5695-1kworker/2:0H12:40:212
71370rcu_preempt32104-21runrttasks10:16:411
71370rcu_preempt32104-21runrttasks10:16:411
71370rcu_preempt15994-21apt-get10:49:233
71370rcu_preempt15994-21apt-get10:49:233
71370rcu_preempt0-21swapper/112:30:571
71370rcu_preempt0-21swapper/112:30:571
71370rcu_preempt0-21swapper/112:30:571
71370rcu_preempt0-21swapper/111:25:401
71370rcu_preempt0-21swapper/111:25:401
71370rcu_preempt0-21swapper/111:25:401
71370rcu_preempt0-21swapper/111:03:091
71370rcu_preempt0-21swapper/111:03:091
71370rcu_preempt0-21swapper/111:03:091
71370rcu_preempt0-21swapper/110:35:331
71370rcu_preempt0-21swapper/110:35:331
71370rcu_preempt0-21swapper/109:33:341
71370rcu_preempt0-21swapper/109:33:341
71370rcu_preempt0-21swapper/109:33:341
71370rcu_preempt0-21swapper/108:52:001
71370rcu_preempt0-21swapper/108:52:001
71360rcu_preempt807-21sendmail-msp07:27:581
71360rcu_preempt807-21sendmail-msp07:27:581
71360rcu_preempt807-21sendmail-msp07:27:581
71360rcu_preempt6698-21sh11:35:041
71360rcu_preempt6698-21sh11:35:041
71360rcu_preempt20682-21memory09:54:222
71360rcu_preempt20682-21memory09:54:222
71360rcu_preempt20682-21memory09:54:222
71360rcu_preempt17177-21taskset08:19:492
71360rcu_preempt17177-21taskset08:19:492
71360rcu_preempt0-21swapper/211:59:422
71360rcu_preempt0-21swapper/211:59:422
71360rcu_preempt0-21swapper/211:02:532
71360rcu_preempt0-21swapper/211:02:532
71360rcu_preempt0-21swapper/211:02:532
71360rcu_preempt0-21swapper/208:25:262
71360rcu_preempt0-21swapper/208:25:262
71360rcu_preempt0-21swapper/112:24:091
71360rcu_preempt0-21swapper/112:24:091
71360rcu_preempt0-21swapper/112:24:091
71360rcu_preempt0-21swapper/111:45:491
71360rcu_preempt0-21swapper/111:45:491
71360rcu_preempt0-21swapper/111:18:081
71360rcu_preempt0-21swapper/111:18:081
71360rcu_preempt0-21swapper/111:18:081
71360rcu_preempt0-21swapper/111:18:081
71360rcu_preempt0-21swapper/110:56:021
71360rcu_preempt0-21swapper/110:56:021
71360rcu_preempt0-21swapper/110:56:021
71360rcu_preempt0-21swapper/109:41:571
71360rcu_preempt0-21swapper/109:41:571
71360rcu_preempt0-21swapper/109:41:571
71360rcu_preempt0-21swapper/109:26:011
71360rcu_preempt0-21swapper/109:26:011
71360rcu_preempt0-21swapper/109:26:011
46650360irq/116-QManpo27400-213
46650360irq/116-QManpo27400-213
71350rcu_preempt4772-21sendmail-msp09:58:251
71350rcu_preempt4772-21sendmail-msp09:58:251
71350rcu_preempt4772-21sendmail-msp09:58:251
71350rcu_preempt29505-21sh10:11:311
71350rcu_preempt29505-21sh10:11:311
71350rcu_preempt27514-21ssh12:15:151
71350rcu_preempt27514-21ssh12:15:151
71350rcu_preempt27514-21ssh12:15:151
71350rcu_preempt20390-21taskset08:34:032
71350rcu_preempt20390-21taskset08:34:032
71350rcu_preempt20351-21copy08:34:100
71350rcu_preempt20351-21copy08:34:100
71350rcu_preempt16749-21kworker/2:111:47:392
71350rcu_preempt16749-21kworker/2:111:47:392
71350rcu_preempt14947-21sh10:45:413
71350rcu_preempt14947-21sh10:45:413
71350rcu_preempt14947-21sh10:45:413
71350rcu_preempt0-21swapper/211:54:272
71350rcu_preempt0-21swapper/211:54:272
71350rcu_preempt0-21swapper/211:54:272
71350rcu_preempt0-21swapper/211:10:342
71350rcu_preempt0-21swapper/211:10:342
71350rcu_preempt0-21swapper/211:10:342
71350rcu_preempt0-21swapper/210:04:112
71350rcu_preempt0-21swapper/210:04:112
71350rcu_preempt0-21swapper/210:04:112
71350rcu_preempt0-21swapper/209:53:392
71350rcu_preempt0-21swapper/209:53:392
71350rcu_preempt0-21swapper/209:12:572
71350rcu_preempt0-21swapper/209:12:572
71350rcu_preempt0-21swapper/207:43:562
71350rcu_preempt0-21swapper/207:43:562
71350rcu_preempt0-21swapper/112:40:471
71350rcu_preempt0-21swapper/112:40:471
71350rcu_preempt0-21swapper/112:40:471
71350rcu_preempt0-21swapper/112:11:131
71350rcu_preempt0-21swapper/112:11:131
71350rcu_preempt0-21swapper/112:11:131
71350rcu_preempt0-21swapper/112:06:541
71350rcu_preempt0-21swapper/112:06:541
71350rcu_preempt0-21swapper/112:06:541
71350rcu_preempt0-21swapper/111:30:031
71350rcu_preempt0-21swapper/111:30:031
71350rcu_preempt0-21swapper/111:12:101
71350rcu_preempt0-21swapper/111:12:101
71350rcu_preempt0-21swapper/111:12:101
71350rcu_preempt0-21swapper/111:06:411
71350rcu_preempt0-21swapper/111:06:411
71350rcu_preempt0-21swapper/111:06:411
71350rcu_preempt0-21swapper/110:40:121
71350rcu_preempt0-21swapper/110:40:121
71350rcu_preempt0-21swapper/110:40:121
71350rcu_preempt0-21swapper/110:34:021
71350rcu_preempt0-21swapper/110:34:021
71350rcu_preempt0-21swapper/110:34:021
71350rcu_preempt0-21swapper/108:34:031
71350rcu_preempt0-21swapper/108:34:031
71350rcu_preempt0-21swapper/108:28:491
71350rcu_preempt0-21swapper/108:28:491
71350rcu_preempt0-21swapper/107:32:471
71350rcu_preempt0-21swapper/107:32:471
71350rcu_preempt0-21swapper/107:32:471
46250350irq/120-QManpo12110-2110:48:551
46250350irq/120-QManpo12110-2110:48:551
46250350irq/120-QManpo12110-2110:48:551
71340rcu_preempt24493-21ssh11:04:462
71340rcu_preempt24493-21ssh11:04:462
71340rcu_preempt24493-21ssh11:04:462
71340rcu_preempt24226-21taskset08:45:391
71340rcu_preempt24226-21taskset08:45:391
71340rcu_preempt12116-21sh09:38:062
71340rcu_preempt12116-21sh09:38:062
71340rcu_preempt12116-21sh09:38:062
71340rcu_preempt0-21swapper/310:02:193
71340rcu_preempt0-21swapper/310:02:193
71340rcu_preempt0-21swapper/212:24:542
71340rcu_preempt0-21swapper/212:24:542
71340rcu_preempt0-21swapper/212:24:542
71340rcu_preempt0-21swapper/212:19:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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