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2026-08-22 - 21:29
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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 Sat Aug 22, 2026 12:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
522299571cyclictest14830-21meminfo09:29:580
522299571cyclictest14830-21meminfo09:29:580
522299543cyclictest46050irq/122-QMan10:48:550
522299543cyclictest46050irq/122-QMan10:48:550
522299532cyclictest3301-21df_inode09:04:490
522299532cyclictest3301-21df_inode09:04:490
522299532cyclictest21185-21/usr/sbin/munin12:35:050
522299532cyclictest21185-21/usr/sbin/munin12:35:050
522299531cyclictest15694-21apt-get10:29:470
522299531cyclictest15694-21apt-get10:29:470
522299522cyclictest31543-21memory11:54:580
522299522cyclictest31543-21memory11:54:580
522299512cyclictest4714-21diskstats10:09:520
522299512cyclictest4714-21diskstats10:09:520
522299512cyclictest1475-21apt-get10:04:550
522299512cyclictest1475-21apt-get10:04:550
522299511cyclictest26937-21apt-get10:49:470
522299511cyclictest26937-21apt-get10:49:470
522299511cyclictest1496-21apt-get11:59:460
522299511cyclictest1496-21apt-get11:59:460
5222995117cyclictest10208-21diskstats12:14:520
5222995117cyclictest10208-21diskstats12:14:520
522299503cyclictest18965-21sh11:32:430
522299503cyclictest18965-21sh11:32:430
522299503cyclictest18965-21sh11:32:430
522299502cyclictest31140-21apt-get08:49:510
522299502cyclictest31140-21apt-get08:49:510
522299502cyclictest10684-21ntp_states10:20:030
522299502cyclictest10684-21ntp_states10:20:030
522299501cyclictest7709-21apt-get07:24:470
522299501cyclictest29929-21aten_r4power_cu08:44:470
522299501cyclictest29929-21aten_r4power_cu08:44:470
522299501cyclictest29929-21aten_r4power_cu08:44:470
522299501cyclictest28407-21apt-get09:54:450
522299501cyclictest28407-21apt-get09:54:450
522299501cyclictest18511-21/usr/sbin/munin10:35:020
522299501cyclictest18511-21/usr/sbin/munin10:35:020
522299501cyclictest18511-21/usr/sbin/munin10:35:020
522299494cyclictest0-21swapper/012:05:180
522299494cyclictest0-21swapper/012:05:180
522299493cyclictest10871-21memory07:34:560
522299493cyclictest10871-21memory07:34:560
522299493cyclictest0-21swapper/012:25:490
522299493cyclictest0-21swapper/012:25:490
522299493cyclictest0-21swapper/012:11:110
522299493cyclictest0-21swapper/012:11:110
522299493cyclictest0-21swapper/011:45:530
522299493cyclictest0-21swapper/011:45:530
522299493cyclictest0-21swapper/009:39:520
522299493cyclictest0-21swapper/009:39:520
522299493cyclictest0-21swapper/009:15:100
522299493cyclictest0-21swapper/009:15:100
522299493cyclictest0-21swapper/009:15:100
522299492cyclictest25320-21munin-run11:44:350
522299492cyclictest25320-21munin-run11:44:350
522299492cyclictest25320-21munin-run11:44:350
522299492cyclictest13484-21diskstats07:44:520
522299492cyclictest13484-21diskstats07:44:520
522299491cyclictest17187-21apt-get09:34:470
522299491cyclictest17187-21apt-get09:34:470
46050490irq/122-QManpo0-210
46050490irq/122-QManpo0-210
522299486cyclictest24010-21apt-get12:39:450
522299486cyclictest24010-21apt-get12:39:450
522299484cyclictest0-21swapper/008:38:290
522299484cyclictest0-21swapper/008:38:290
522299483cyclictest0-21swapper/011:50:590
522299483cyclictest0-21swapper/011:50:590
522299483cyclictest0-21swapper/011:06:410
522299483cyclictest0-21swapper/011:06:410
522299483cyclictest0-21swapper/010:14:540
522299483cyclictest0-21swapper/010:14:540
522299483cyclictest0-21swapper/009:04:380
522299483cyclictest0-21swapper/009:04:380
522299482cyclictest9202-21memory09:19:580
522299482cyclictest9202-21memory09:19:580
522299482cyclictest558-21meminfo10:59:550
522299482cyclictest558-21meminfo10:59:550
522299482cyclictest19295-21ntp_states08:04:590
522299482cyclictest19295-21ntp_states08:04:590
522299482cyclictest13022-21df_inode12:19:520
522299482cyclictest13022-21df_inode12:19:520
522299481cyclictest24156-21apt-get10:44:460
522299481cyclictest24156-21apt-get10:44:460
522299481cyclictest22841-21apt-get09:44:480
522299481cyclictest22841-21apt-get09:44:480
522299481cyclictest16013-21apt-get07:54:460
5222994817cyclictest0-21swapper/008:39:550
5222994817cyclictest0-21swapper/008:39:550
5222994815cyclictest30192-21meminfo10:54:570
5222994815cyclictest30192-21meminfo10:54:570
5222994815cyclictest20112-21diskstats11:34:520
5222994815cyclictest20112-21diskstats11:34:520
5222994811cyclictest9200-21/usr/sbin/munin11:14:590
5222994811cyclictest9200-21/usr/sbin/munin11:14:590
522299473cyclictest0-21swapper/011:28:400
522299473cyclictest0-21swapper/011:28:400
522299473cyclictest0-21swapper/010:25:580
522299473cyclictest0-21swapper/010:25:580
522299473cyclictest0-21swapper/009:28:180
522299473cyclictest0-21swapper/009:28:180
522299473cyclictest0-21swapper/008:19:570
522299473cyclictest0-21swapper/008:19:570
522299472cyclictest7570-21tr07:24:340
522299472cyclictest7570-21tr07:24:340
522299472cyclictest6545-21mailstats11:10:030
522299472cyclictest6545-21mailstats11:10:030
522299472cyclictest21524-21df10:39:490
522299472cyclictest21524-21df10:39:490
522299472cyclictest21524-21df10:39:490
522299472cyclictest11621-1kworker/0:0H09:49:580
522299472cyclictest11621-1kworker/0:0H09:49:580
522299472cyclictest10324-21munin-run07:34:340
522299472cyclictest10324-21munin-run07:34:340
522299471cyclictest20175-21apt-get08:09:470
522299471cyclictest20175-21apt-get08:09:470
522299471cyclictest0-21swapper/012:31:490
522299471cyclictest0-21swapper/012:31:490
5222994719cyclictest0-21swapper/009:59:480
5222994719cyclictest0-21swapper/009:59:480
5222994719cyclictest0-21swapper/009:59:480
522299463cyclictest0-21swapper/011:21:400
522299463cyclictest0-21swapper/011:21:400
522299463cyclictest0-21swapper/008:24:480
522299463cyclictest0-21swapper/008:14:480
522299463cyclictest0-21swapper/008:14:480
522299461cyclictest32683-21apt-get08:54:450
522299461cyclictest32683-21apt-get08:54:450
71450rcu_preempt0-21swapper/210:04:542
71450rcu_preempt0-21swapper/210:04:542
5223994513cyclictest0-21swapper/112:06:581
5223994513cyclictest0-21swapper/112:06:581
522299451cyclictest4456-21apt-get09:09:460
522299451cyclictest4456-21apt-get09:09:460
522299451cyclictest14632-21apt-get07:49:440
522299451cyclictest14632-21apt-get07:49:440
522299441cyclictest17396-21apt-get07:59:450
522299441cyclictest17396-21apt-get07:59:450
5223994313cyclictest0-21swapper/109:31:561
5223994313cyclictest0-21swapper/109:31:561
5223994312cyclictest26902-21ssh10:49:411
5223994312cyclictest26902-21ssh10:49:411
522299432cyclictest25910-21df08:29:500
522299432cyclictest25910-21df08:29:500
71420rcu_preempt15840-21df_abs12:24:511
71420rcu_preempt15840-21df_abs12:24:511
71420rcu_preempt0-21swapper/110:08:561
71420rcu_preempt0-21swapper/110:08:561
5223994230cyclictest25496-21apt-get11:44:451
5223994230cyclictest25496-21apt-get11:44:451
5223994220cyclictest658-21awk10:59:581
5223994220cyclictest658-21awk10:59:581
5223994220cyclictest11714-21/usr/sbin/munin11:19:531
5223994220cyclictest11714-21/usr/sbin/munin11:19:531
5223994217cyclictest0-21swapper/110:12:291
5223994217cyclictest0-21swapper/110:12:291
5223994214cyclictest28665-21df_inode09:54:491
5223994214cyclictest28665-21df_inode09:54:491
5223994212cyclictest0-21swapper/111:32:141
5223994212cyclictest0-21swapper/111:32:141
5223994212cyclictest0-21swapper/111:32:141
71410rcu_preempt0-21swapper/209:14:442
71410rcu_preempt0-21swapper/209:14:442
71410rcu_preempt0-21swapper/209:14:442
71410rcu_preempt0-21swapper/112:24:271
71410rcu_preempt0-21swapper/112:24:271
71410rcu_preempt0-21swapper/107:58:521
5223994121cyclictest23812-21ssh10:44:111
5223994121cyclictest23812-21ssh10:44:111
5223994121cyclictest23812-21ssh10:44:111
5223994120cyclictest3581-21ntp_states09:04:591
5223994120cyclictest3581-21ntp_states09:04:591
5223994120cyclictest22137-21users12:35:051
5223994120cyclictest22137-21users12:35:051
5223994115cyclictest9092-21irqstats09:19:551
5223994115cyclictest9092-21irqstats09:19:551
5223994113cyclictest0-21swapper/109:39:081
5223994113cyclictest0-21swapper/109:39:081
5223994020cyclictest9374-21ssh10:18:091
5223994020cyclictest9374-21ssh10:18:091
5223994020cyclictest0-21swapper/108:34:581
5223994020cyclictest0-21swapper/108:34:581
5223994019cyclictest10130-21df12:14:491
5223994019cyclictest10130-21df12:14:491
5223994018cyclictest0-21swapper/110:55:051
5223994018cyclictest0-21swapper/110:55:051
5223994018cyclictest0-21swapper/109:39:581
5223994018cyclictest0-21swapper/109:39:581
46450400irq/118-QManpo4919-2110:48:552
46450400irq/118-QManpo4919-2110:48:552
71390rcu_preempt22164-21ssh10:40:032
71390rcu_preempt22164-21ssh10:40:032
71390rcu_preempt22164-21ssh10:40:032
71390rcu_preempt11619-1kworker/2:2H09:59:482
71390rcu_preempt11619-1kworker/2:2H09:59:482
71390rcu_preempt11619-1kworker/2:2H09:59:482
71390rcu_preempt0-21swapper/212:29:462
71390rcu_preempt0-21swapper/212:29:462
71390rcu_preempt0-21swapper/107:37:101
71390rcu_preempt0-21swapper/107:37:101
5223993919cyclictest6808-21ntp_states07:19:571
5223993919cyclictest6808-21ntp_states07:19:571
5223993919cyclictest31577-21irqstats09:59:541
5223993919cyclictest31577-21irqstats09:59:541
5223993919cyclictest31577-21irqstats09:59:541
5223993919cyclictest16263-21ntp_states10:30:001
5223993919cyclictest16263-21ntp_states10:30:001
5223993918cyclictest8744-1kworker/1:2H09:50:431
5223993918cyclictest8744-1kworker/1:2H09:50:431
5223993918cyclictest8213-21ntp_states07:24:591
5223993917cyclictest0-21swapper/112:03:021
5223993917cyclictest0-21swapper/112:03:021
5223993917cyclictest0-21swapper/111:49:591
5223993917cyclictest0-21swapper/111:49:591
5223993917cyclictest0-21swapper/109:48:211
5223993917cyclictest0-21swapper/109:48:211
5223993916cyclictest0-21swapper/110:45:271
5223993916cyclictest0-21swapper/110:45:271
5223993916cyclictest0-21swapper/110:34:531
5223993916cyclictest0-21swapper/110:34:531
5223993916cyclictest0-21swapper/110:34:531
5223993916cyclictest0-21swapper/107:45:011
5223993916cyclictest0-21swapper/107:45:011
5223993915cyclictest0-21swapper/111:34:461
5223993915cyclictest0-21swapper/111:34:461
5223993915cyclictest0-21swapper/110:20:011
5223993915cyclictest0-21swapper/110:20:011
71380rcu_preempt0-21swapper/111:16:471
71380rcu_preempt0-21swapper/111:16:471
71380rcu_preempt0-21swapper/108:46:311
71380rcu_preempt0-21swapper/108:46:311
71380rcu_preempt0-21swapper/108:46:311
71380rcu_preempt0-21swapper/108:40:021
71380rcu_preempt0-21swapper/108:40:021
5223993826cyclictest1959-21runrttasks08:54:201
5223993826cyclictest1959-21runrttasks08:54:201
5223993819cyclictest14604-21irqstats11:24:551
5223993819cyclictest14604-21irqstats11:24:551
5223993818cyclictest18939-21ssh12:30:021
5223993818cyclictest18939-21ssh12:30:021
5223993818cyclictest0-21swapper/109:17:131
5223993818cyclictest0-21swapper/109:17:131
5223993818cyclictest0-21swapper/109:17:131
5223993817cyclictest0-21swapper/109:27:371
5223993817cyclictest0-21swapper/109:27:371
5223993816cyclictest0-21swapper/111:40:561
5223993816cyclictest0-21swapper/111:40:561
5223993816cyclictest0-21swapper/111:40:561
5223993816cyclictest0-21swapper/111:05:231
5223993816cyclictest0-21swapper/111:05:231
5223993816cyclictest0-21swapper/107:39:551
5223993816cyclictest0-21swapper/107:39:551
5223993812cyclictest0-21swapper/112:11:381
5223993812cyclictest0-21swapper/112:11:381
71370rcu_preempt24460-21ssh11:42:193
71370rcu_preempt24460-21ssh11:42:193
71370rcu_preempt24460-21ssh11:42:193
71370rcu_preempt0-21swapper/209:20:582
71370rcu_preempt0-21swapper/209:20:582
5223993717cyclictest31654-21ntp_states11:55:001
5223993717cyclictest31654-21ntp_states11:55:001
5223993717cyclictest0-21swapper/108:54:491
5223993717cyclictest0-21swapper/108:54:491
5223993714cyclictest0-21swapper/111:13:391
5223993714cyclictest0-21swapper/111:13:391
71360rcu_preempt32151-21grep08:50:032
71360rcu_preempt32151-21grep08:50:032
71360rcu_preempt0-21swapper/311:47:223
71360rcu_preempt0-21swapper/311:47:223
71360rcu_preempt0-21swapper/211:46:112
71360rcu_preempt0-21swapper/211:46:112
71360rcu_preempt0-21swapper/208:44:552
71360rcu_preempt0-21swapper/208:44:552
71360rcu_preempt0-21swapper/208:44:552
71360rcu_preempt0-21swapper/207:44:462
71360rcu_preempt0-21swapper/207:44:462
5223993628cyclictest0-21swapper/108:24:571
5223993622cyclictest1959-21runrttasks07:14:531
5223993622cyclictest1959-21runrttasks07:14:531
5223993621cyclictest4863-21memory09:09:571
5223993621cyclictest4863-21memory09:09:571
5223993621cyclictest1959-21runrttasks07:54:131
5223993621cyclictest1959-21runrttasks07:54:131
5223993617cyclictest24200-21http08:24:341
5223993617cyclictest24200-21http08:24:341
5223993617cyclictest21318-1kworker/1:2H12:39:521
5223993617cyclictest21318-1kworker/1:2H12:39:521
5223993616cyclictest21412-21latency_hist08:14:331
5223993616cyclictest21412-21latency_hist08:14:331
5223993615cyclictest18822-21aten_r4power_cu08:04:471
5223993615cyclictest18822-21aten_r4power_cu08:04:471
46650360irq/116-QManpo5157-2110:48:553
46650360irq/116-QManpo5157-2110:48:553
71350rcu_preempt8375-1kworker/3:2H12:20:033
71350rcu_preempt8375-1kworker/3:2H12:20:033
71350rcu_preempt2868-21latency_hist11:04:362
71350rcu_preempt2868-21latency_hist11:04:362
71350rcu_preempt16184-21ssh12:25:032
71350rcu_preempt16184-21ssh12:25:032
71350rcu_preempt0-21swapper/312:34:553
71350rcu_preempt0-21swapper/312:34:553
71350rcu_preempt0-21swapper/310:58:423
71350rcu_preempt0-21swapper/310:58:423
71350rcu_preempt0-21swapper/310:44:113
71350rcu_preempt0-21swapper/310:44:113
71350rcu_preempt0-21swapper/310:44:113
71350rcu_preempt0-21swapper/310:04:543
71350rcu_preempt0-21swapper/310:04:543
71350rcu_preempt0-21swapper/309:49:413
71350rcu_preempt0-21swapper/309:49:413
71350rcu_preempt0-21swapper/212:13:272
71350rcu_preempt0-21swapper/212:13:272
71350rcu_preempt0-21swapper/210:50:072
71350rcu_preempt0-21swapper/210:50:072
71350rcu_preempt0-21swapper/210:29:592
71350rcu_preempt0-21swapper/210:29:592
71350rcu_preempt0-21swapper/210:24:052
71350rcu_preempt0-21swapper/210:24:052
71350rcu_preempt0-21swapper/209:54:082
71350rcu_preempt0-21swapper/209:54:082
5223993522cyclictest1959-21runrttasks08:33:151
5223993522cyclictest1959-21runrttasks08:33:151
5223993520cyclictest22111-21wc08:14:591
5223993520cyclictest22111-21wc08:14:591
5223993517cyclictest18654-21munin-run08:04:341
5223993517cyclictest18654-21munin-run08:04:341
5223993516cyclictest12939-21basename10:24:471
5223993516cyclictest12939-21basename10:24:471
71340rcu_preempt19020-21runrttasks11:32:523
71340rcu_preempt19020-21runrttasks11:32:523
71340rcu_preempt19020-21runrttasks11:32:523
71340rcu_preempt0-21swapper/312:02:333
71340rcu_preempt0-21swapper/312:02:333
71340rcu_preempt0-21swapper/311:11:113
71340rcu_preempt0-21swapper/311:11:113
71340rcu_preempt0-21swapper/311:05:173
71340rcu_preempt0-21swapper/311:05:173
71340rcu_preempt0-21swapper/310:48:393
71340rcu_preempt0-21swapper/310:48:393
71340rcu_preempt0-21swapper/310:36:543
71340rcu_preempt0-21swapper/310:36:543
71340rcu_preempt0-21swapper/310:36:543
71340rcu_preempt0-21swapper/309:36:443
71340rcu_preempt0-21swapper/309:36:443
71340rcu_preempt0-21swapper/212:44:372
71340rcu_preempt0-21swapper/212:44:372
71340rcu_preempt0-21swapper/212:05:222
71340rcu_preempt0-21swapper/212:05:222
71340rcu_preempt0-21swapper/211:14:122
71340rcu_preempt0-21swapper/211:14:122
71340rcu_preempt0-21swapper/210:57:412
71340rcu_preempt0-21swapper/210:57:412
71340rcu_preempt0-21swapper/210:09:562
71340rcu_preempt0-21swapper/210:09:562
71340rcu_preempt0-21swapper/209:28:192
71340rcu_preempt0-21swapper/209:28:192
71340rcu_preempt0-21swapper/208:26:482
71330rcu_preempt25471-21latency_hist09:49:372
71330rcu_preempt25471-21latency_hist09:49:372
71330rcu_preempt0-21swapper/312:14:473
71330rcu_preempt0-21swapper/312:14:473
71330rcu_preempt0-21swapper/311:49:523
71330rcu_preempt0-21swapper/311:49:523
71330rcu_preempt0-21swapper/310:02:403
71330rcu_preempt0-21swapper/310:02:403
71330rcu_preempt0-21swapper/310:02:403
71330rcu_preempt0-21swapper/309:59:203
71330rcu_preempt0-21swapper/309:59:203
71330rcu_preempt0-21swapper/308:19:293
71330rcu_preempt0-21swapper/308:19:293
71330rcu_preempt0-21swapper/212:19:562
71330rcu_preempt0-21swapper/212:19:562
71330rcu_preempt0-21swapper/212:00:092
71330rcu_preempt0-21swapper/212:00:092
71330rcu_preempt0-21swapper/211:55:032
71330rcu_preempt0-21swapper/211:55:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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