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2026-01-08 - 22:11
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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 Jan 08, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71690rcu_preempt0-21swapper/212:39:092
71690rcu_preempt0-21swapper/212:39:092
71690rcu_preempt0-21swapper/212:39:092
71399553cyclictest2261-21apt-get10:10:430
71399553cyclictest2261-21apt-get10:10:430
71399553cyclictest0-21swapper/007:15:510
71399553cyclictest0-21swapper/007:15:510
71399542cyclictest7924-21ssh12:14:490
71399542cyclictest7924-21ssh12:14:490
71399542cyclictest13105-21ntp_states09:30:570
71399542cyclictest13105-21ntp_states09:30:570
71399542cyclictest13105-21ntp_states09:30:570
71399541cyclictest542-21/usr/sbin/munin11:06:020
71399541cyclictest542-21/usr/sbin/munin11:06:020
71399541cyclictest542-21/usr/sbin/munin11:06:020
71399533cyclictest9045-21munin-run11:20:330
71399533cyclictest9045-21munin-run11:20:330
71399533cyclictest9045-21munin-run11:20:330
71399532cyclictest21150-21memory11:40:540
71399532cyclictest21150-21memory11:40:540
71399532cyclictest21150-21memory11:40:540
71399532cyclictest0-21swapper/010:38:460
71399532cyclictest0-21swapper/010:38:460
71399531cyclictest30495-21kworker/0:409:00:560
71399531cyclictest30495-21kworker/0:409:00:560
71399528cyclictest23104-21sshd08:31:240
71399528cyclictest23104-21sshd08:31:240
71399524cyclictest0-21swapper/007:55:520
71399524cyclictest0-21swapper/007:55:520
71399524cyclictest0-21swapper/007:55:520
71399523cyclictest767-21diskmemload10:50:520
71399523cyclictest767-21diskmemload10:50:520
71399523cyclictest767-21diskmemload10:50:520
71399523cyclictest32022-21diskstats10:05:490
71399523cyclictest32022-21diskstats10:05:490
71399523cyclictest0-21swapper/010:24:220
71399523cyclictest0-21swapper/010:24:220
71399523cyclictest0-21swapper/008:45:420
71399523cyclictest0-21swapper/008:45:420
71399523cyclictest0-21swapper/008:20:580
71399523cyclictest0-21swapper/008:20:580
71399523cyclictest0-21swapper/007:30:560
71399523cyclictest0-21swapper/007:30:560
71399522cyclictest29350-21memory10:00:520
71399522cyclictest29350-21memory10:00:520
71399522cyclictest28162-21/usr/sbin/munin08:50:510
71399522cyclictest28162-21/usr/sbin/munin08:50:510
71399522cyclictest26965-1kworker/0:0H10:00:330
71399522cyclictest26965-1kworker/0:0H10:00:330
71399522cyclictest26965-1kworker/0:0H10:00:330
71399522cyclictest26965-1kworker/0:0H10:00:330
71399522cyclictest21687-21ntp_states09:45:550
71399522cyclictest21687-21ntp_states09:45:550
71399522cyclictest21687-21ntp_states09:45:550
71399522cyclictest20108-21diskstats12:35:490
71399522cyclictest20108-21diskstats12:35:490
71399522cyclictest20108-21diskstats12:35:490
71399522cyclictest1668750kworker/0:0H09:39:430
71399522cyclictest1668750kworker/0:0H09:39:430
71399522cyclictest1668750kworker/0:0H09:39:430
71399521cyclictest29279-21/usr/sbin/munin11:55:440
71399521cyclictest29279-21/usr/sbin/munin11:55:440
71399513cyclictest0-21swapper/012:01:460
71399513cyclictest0-21swapper/012:01:460
71399513cyclictest0-21swapper/012:01:460
71399513cyclictest0-21swapper/007:50:450
71399513cyclictest0-21swapper/007:50:450
71399512cyclictest8728-21irqstats12:15:500
71399512cyclictest8728-21irqstats12:15:500
71399512cyclictest8728-21irqstats12:15:500
71399512cyclictest19297-21munin-run08:20:330
71399512cyclictest19297-21munin-run08:20:330
71399512cyclictest19297-21munin-run08:20:330
71399512cyclictest16385-21sh12:29:300
71399512cyclictest16385-21sh12:29:300
71399512cyclictest1552-21ntp_states09:10:570
71399512cyclictest1552-21ntp_states09:10:570
71399512cyclictest1552-21ntp_states09:10:570
71399512cyclictest0-21swapper/011:01:500
71399512cyclictest0-21swapper/011:01:500
71399512cyclictest0-21swapper/011:01:500
71399511cyclictest4513-21ssh11:11:150
71399511cyclictest4513-21ssh11:11:150
71399503cyclictest0-21swapper/011:36:010
71399503cyclictest0-21swapper/011:36:010
71399503cyclictest0-21swapper/010:26:000
71399503cyclictest0-21swapper/010:26:000
71399503cyclictest0-21swapper/010:26:000
71399503cyclictest0-21swapper/009:40:490
71399503cyclictest0-21swapper/009:40:490
71399503cyclictest0-21swapper/009:30:320
71399503cyclictest0-21swapper/009:30:320
71399503cyclictest0-21swapper/009:20:430
71399503cyclictest0-21swapper/009:20:430
71399503cyclictest0-21swapper/009:16:530
71399503cyclictest0-21swapper/009:16:530
71399503cyclictest0-21swapper/008:10:450
71399503cyclictest0-21swapper/008:10:450
71399503cyclictest0-21swapper/007:25:550
71399503cyclictest0-21swapper/007:25:550
71399502cyclictest3898-21diskstats07:20:480
71399502cyclictest3898-21diskstats07:20:480
71399502cyclictest25237-21diskstats08:40:480
71399502cyclictest25237-21diskstats08:40:480
71399502cyclictest24840-21munin-run08:40:310
71399502cyclictest24840-21munin-run08:40:310
71399502cyclictest24840-21munin-run08:40:310
71399502cyclictest22896-21ntp_states10:45:550
71399502cyclictest22896-21ntp_states10:45:550
71399502cyclictest12624-21ntp_states11:25:550
71399502cyclictest12624-21ntp_states11:25:550
71399502cyclictest0-21swapper/011:52:460
71399502cyclictest0-21swapper/011:52:460
71399501cyclictest15314-21/usr/sbin/munin08:01:010
71399501cyclictest15314-21/usr/sbin/munin08:01:010
71399501cyclictest11266-21apt-get12:20:430
71399501cyclictest11266-21apt-get12:20:430
713995019cyclictest9059-21sendmail-msp11:21:050
713995019cyclictest9059-21sendmail-msp11:21:050
71399494cyclictest0-21swapper/012:30:550
71399494cyclictest0-21swapper/012:30:550
71399493cyclictest0-21swapper/012:05:440
71399493cyclictest0-21swapper/012:05:440
71399493cyclictest0-21swapper/012:05:440
71399493cyclictest0-21swapper/011:50:320
71399493cyclictest0-21swapper/011:50:320
71399493cyclictest0-21swapper/009:05:560
71399493cyclictest0-21swapper/009:05:560
71399493cyclictest0-21swapper/009:05:560
71399493cyclictest0-21swapper/007:45:450
71399493cyclictest0-21swapper/007:45:450
71399492cyclictest15654-21/usr/sbin/munin11:30:570
71399492cyclictest15654-21/usr/sbin/munin11:30:570
71399492cyclictest0-21swapper/010:33:250
71399492cyclictest0-21swapper/010:33:250
71399492cyclictest0-21swapper/010:33:250
71399484cyclictest0-21swapper/010:41:240
71399484cyclictest0-21swapper/010:41:240
71399484cyclictest0-21swapper/010:41:240
71399483cyclictest0-21swapper/009:51:220
71399483cyclictest0-21swapper/009:51:220
71399482cyclictest30391-21munin-run09:00:320
71399482cyclictest30391-21munin-run09:00:320
71399482cyclictest30391-21munin-run09:00:320
71399482cyclictest0-21swapper/010:56:180
71399482cyclictest0-21swapper/010:56:180
71399482cyclictest0-21swapper/010:56:180
71399482cyclictest0-21swapper/007:40:410
71399482cyclictest0-21swapper/007:40:410
71470rcu_preempt0-21swapper/112:15:441
71470rcu_preempt0-21swapper/112:15:441
71470rcu_preempt0-21swapper/112:15:441
71460rcu_preempt23372-21apt-get11:45:541
71460rcu_preempt23372-21apt-get11:45:541
71399462cyclictest0-21swapper/010:15:430
71399462cyclictest0-21swapper/010:15:430
71399462cyclictest0-21swapper/010:15:430
71399452cyclictest0-21swapper/007:10:420
71399452cyclictest0-21swapper/007:10:420
71440rcu_preempt0-21swapper/208:35:542
71440rcu_preempt0-21swapper/208:35:542
71440rcu_preempt0-21swapper/208:35:542
71399441cyclictest8099-21irqstats07:35:490
71399441cyclictest8099-21irqstats07:35:490
71399432cyclictest21220-21memory08:25:530
71399432cyclictest21220-21memory08:25:530
71399422cyclictest16517-21munin-run08:10:320
71399422cyclictest16517-21munin-run08:10:320
71400rcu_preempt0-21swapper/112:05:251
71400rcu_preempt0-21swapper/112:05:251
71400rcu_preempt0-21swapper/112:05:251
71400rcu_preempt0-21swapper/007:09:150
71400rcu_preempt0-21swapper/007:09:150
71390rcu_preempt0-21swapper/210:59:012
71390rcu_preempt0-21swapper/210:59:012
71390rcu_preempt0-21swapper/210:59:012
71380rcu_preempt0-21swapper/212:00:512
71380rcu_preempt0-21swapper/212:00:512
71380rcu_preempt0-21swapper/212:00:512
71370rcu_preempt0-21swapper/210:51:262
71370rcu_preempt0-21swapper/210:51:262
71370rcu_preempt0-21swapper/210:51:262
71370rcu_preempt0-21swapper/210:30:332
71370rcu_preempt0-21swapper/210:30:332
71370rcu_preempt0-21swapper/210:30:332
71370rcu_preempt0-21swapper/209:55:502
71370rcu_preempt0-21swapper/209:55:502
71370rcu_preempt0-21swapper/209:55:502
71370rcu_preempt0-21swapper/209:55:502
71370rcu_preempt0-21swapper/208:10:462
71370rcu_preempt0-21swapper/208:10:462
71370rcu_preempt0-21swapper/111:50:411
71370rcu_preempt0-21swapper/111:50:411
71370rcu_preempt0-21swapper/109:16:081
71370rcu_preempt0-21swapper/109:16:081
71370rcu_preempt0-21swapper/109:12:591
71370rcu_preempt0-21swapper/109:12:591
71370rcu_preempt0-21swapper/109:12:591
71370rcu_preempt0-21swapper/107:45:311
71370rcu_preempt0-21swapper/107:45:311
100650370irq/38-i2c-mpc4371-21/usr/sbin/munin11:11:031
100650370irq/38-i2c-mpc4371-21/usr/sbin/munin11:11:031
99750360irq/38-i2c-mpc1480-21awk11:06:021
99750360irq/38-i2c-mpc1480-21awk11:06:021
99750360irq/38-i2c-mpc1480-21awk11:06:021
71360rcu_preempt2643-1kworker/2:1H12:26:012
71360rcu_preempt2643-1kworker/2:1H12:26:012
71360rcu_preempt14922-21apt-get11:30:421
71360rcu_preempt14922-21apt-get11:30:421
71360rcu_preempt0-21swapper/211:34:192
71360rcu_preempt0-21swapper/211:34:192
71360rcu_preempt0-21swapper/210:16:042
71360rcu_preempt0-21swapper/210:16:042
71360rcu_preempt0-21swapper/210:16:042
71360rcu_preempt0-21swapper/209:23:472
71360rcu_preempt0-21swapper/209:23:472
71360rcu_preempt0-21swapper/111:18:381
71360rcu_preempt0-21swapper/111:18:381
71360rcu_preempt0-21swapper/111:18:381
71360rcu_preempt0-21swapper/111:05:381
71360rcu_preempt0-21swapper/111:05:381
71360rcu_preempt0-21swapper/110:20:361
71360rcu_preempt0-21swapper/110:20:361
71360rcu_preempt0-21swapper/110:20:361
71360rcu_preempt0-21swapper/110:05:411
71360rcu_preempt0-21swapper/110:05:411
71360rcu_preempt0-21swapper/107:25:321
71360rcu_preempt0-21swapper/107:25:321
46450360irq/118-QManpo0-2110:48:552
46450360irq/118-QManpo0-2110:48:552
71350rcu_preempt574-21kswapd011:10:362
71350rcu_preempt574-21kswapd011:10:362
71350rcu_preempt574-21kswapd011:10:362
71350rcu_preempt30544-1kworker/2:0H09:01:002
71350rcu_preempt30544-1kworker/2:0H09:01:002
71350rcu_preempt13992-1kworker/1:1H12:36:001
71350rcu_preempt13992-1kworker/1:1H12:36:001
71350rcu_preempt13992-1kworker/1:1H12:36:001
71350rcu_preempt13115-21ssh12:23:252
71350rcu_preempt13115-21ssh12:23:252
71350rcu_preempt0-21swapper/311:17:193
71350rcu_preempt0-21swapper/311:17:193
71350rcu_preempt0-21swapper/311:17:193
71350rcu_preempt0-21swapper/309:30:353
71350rcu_preempt0-21swapper/309:30:353
71350rcu_preempt0-21swapper/212:06:242
71350rcu_preempt0-21swapper/212:06:242
71350rcu_preempt0-21swapper/212:06:242
71350rcu_preempt0-21swapper/211:43:122
71350rcu_preempt0-21swapper/211:43:122
71350rcu_preempt0-21swapper/211:43:122
71350rcu_preempt0-21swapper/210:23:182
71350rcu_preempt0-21swapper/210:23:182
71350rcu_preempt0-21swapper/209:54:092
71350rcu_preempt0-21swapper/209:54:092
71350rcu_preempt0-21swapper/209:26:242
71350rcu_preempt0-21swapper/209:26:242
71350rcu_preempt0-21swapper/208:46:152
71350rcu_preempt0-21swapper/208:46:152
71350rcu_preempt0-21swapper/112:24:131
71350rcu_preempt0-21swapper/112:24:131
71350rcu_preempt0-21swapper/111:40:591
71350rcu_preempt0-21swapper/111:40:591
71350rcu_preempt0-21swapper/111:40:591
71350rcu_preempt0-21swapper/110:51:101
71350rcu_preempt0-21swapper/110:51:101
71350rcu_preempt0-21swapper/110:51:101
71350rcu_preempt0-21swapper/110:41:191
71350rcu_preempt0-21swapper/110:41:191
71350rcu_preempt0-21swapper/110:41:191
71350rcu_preempt0-21swapper/110:36:521
71350rcu_preempt0-21swapper/110:36:521
71350rcu_preempt0-21swapper/110:33:441
71350rcu_preempt0-21swapper/110:33:441
71350rcu_preempt0-21swapper/110:33:441
71350rcu_preempt0-21swapper/109:52:351
71350rcu_preempt0-21swapper/109:52:351
71350rcu_preempt0-21swapper/109:34:131
71350rcu_preempt0-21swapper/109:34:131
71350rcu_preempt0-21swapper/109:34:131
71350rcu_preempt0-21swapper/108:35:511
71350rcu_preempt0-21swapper/108:35:511
71350rcu_preempt0-21swapper/108:35:511
46250350irq/120-QManpo0-2110:48:551
46250350irq/120-QManpo0-2110:48:551
229392350sleep310739-1kworker/3:2H09:48:163
229392350sleep310739-1kworker/3:2H09:48:163
229392350sleep310739-1kworker/3:2H09:48:163
71340rcu_preempt767-1diskmemload09:59:401
71340rcu_preempt767-1diskmemload09:59:401
71340rcu_preempt767-1diskmemload09:59:401
71340rcu_preempt767-1diskmemload09:59:401
71340rcu_preempt12377-21latency_hist09:30:331
71340rcu_preempt12377-21latency_hist09:30:331
71340rcu_preempt0-21swapper/311:07:333
71340rcu_preempt0-21swapper/311:07:333
71340rcu_preempt0-21swapper/311:07:333
71340rcu_preempt0-21swapper/212:35:322
71340rcu_preempt0-21swapper/212:35:322
71340rcu_preempt0-21swapper/212:00:172
71340rcu_preempt0-21swapper/212:00:172
71340rcu_preempt0-21swapper/211:19:372
71340rcu_preempt0-21swapper/211:19:372
71340rcu_preempt0-21swapper/211:19:372
71340rcu_preempt0-21swapper/210:41:542
71340rcu_preempt0-21swapper/210:41:542
71340rcu_preempt0-21swapper/210:41:542
71340rcu_preempt0-21swapper/210:36:272
71340rcu_preempt0-21swapper/210:36:272
71340rcu_preempt0-21swapper/207:14:512
71340rcu_preempt0-21swapper/207:14:512
71340rcu_preempt0-21swapper/112:06:481
71340rcu_preempt0-21swapper/112:06:481
71340rcu_preempt0-21swapper/112:06:481
71340rcu_preempt0-21swapper/112:00:291
71340rcu_preempt0-21swapper/112:00:291
71340rcu_preempt0-21swapper/111:24:261
71340rcu_preempt0-21swapper/111:24:261
71340rcu_preempt0-21swapper/110:58:201
71340rcu_preempt0-21swapper/110:58:201
71340rcu_preempt0-21swapper/110:58:201
71340rcu_preempt0-21swapper/110:50:161
71340rcu_preempt0-21swapper/110:50:161
71340rcu_preempt0-21swapper/110:26:421
71340rcu_preempt0-21swapper/110:26:421
71340rcu_preempt0-21swapper/110:26:421
71340rcu_preempt0-21swapper/110:04:551
71340rcu_preempt0-21swapper/110:04:551
71340rcu_preempt0-21swapper/109:36:521
71340rcu_preempt0-21swapper/109:36:521
71340rcu_preempt0-21swapper/109:36:521
71340rcu_preempt0-21swapper/109:00:431
71340rcu_preempt0-21swapper/109:00:431
71340rcu_preempt0-21swapper/107:16:321
71340rcu_preempt0-21swapper/107:16:321
71330rcu_preempt2074-1kworker/2:1H09:40:342
71330rcu_preempt2074-1kworker/2:1H09:40:342
71330rcu_preempt2074-1kworker/2:1H09:40:342
71330rcu_preempt0-21swapper/311:25:573
71330rcu_preempt0-21swapper/311:25:573
71330rcu_preempt0-21swapper/310:16:103
71330rcu_preempt0-21swapper/310:16:103
71330rcu_preempt0-21swapper/310:16:103
71330rcu_preempt0-21swapper/309:15:343
71330rcu_preempt0-21swapper/309:15:343
71330rcu_preempt0-21swapper/309:15:343
71330rcu_preempt0-21swapper/307:12:473
71330rcu_preempt0-21swapper/307:12:473
71330rcu_preempt0-21swapper/211:46:232
71330rcu_preempt0-21swapper/211:46:232
71330rcu_preempt0-21swapper/211:40:052
71330rcu_preempt0-21swapper/211:40:052
71330rcu_preempt0-21swapper/211:20:522
71330rcu_preempt0-21swapper/211:20:522
71330rcu_preempt0-21swapper/210:34:252
71330rcu_preempt0-21swapper/210:34:252
71330rcu_preempt0-21swapper/210:34:252
71330rcu_preempt0-21swapper/210:12:422
71330rcu_preempt0-21swapper/210:12:422
71330rcu_preempt0-21swapper/209:11:372
71330rcu_preempt0-21swapper/209:11:372
71330rcu_preempt0-21swapper/209:11:372
71330rcu_preempt0-21swapper/207:45:572
71330rcu_preempt0-21swapper/207:45:572
71330rcu_preempt0-21swapper/207:40:482
71330rcu_preempt0-21swapper/207:40:482
71330rcu_preempt0-21swapper/112:27:451
71330rcu_preempt0-21swapper/112:27:451
71330rcu_preempt0-21swapper/110:21:271
71330rcu_preempt0-21swapper/110:21:271
71330rcu_preempt0-21swapper/110:13:061
71330rcu_preempt0-21swapper/110:13:061
71330rcu_preempt0-21swapper/109:21:371
71330rcu_preempt0-21swapper/109:21:371
71330rcu_preempt0-21swapper/108:01:011
71330rcu_preempt0-21swapper/108:01:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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