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2026-03-22 - 20:00
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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 Mar 22, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/311:46:463
71670rcu_preempt0-21swapper/311:46:463
71670rcu_preempt0-21swapper/311:46:463
71650rcu_preempt0-21swapper/110:25:031
71650rcu_preempt0-21swapper/110:25:031
71640rcu_preempt0-21swapper/010:50:580
71640rcu_preempt0-21swapper/010:50:580
71640rcu_preempt0-21swapper/010:50:580
99750490irq/38-i2c-mpc0-21swapper/011:12:330
99750490irq/38-i2c-mpc0-21swapper/011:12:330
99750490irq/38-i2c-mpc0-21swapper/011:12:330
71480rcu_preempt12359-21copy09:32:022
71480rcu_preempt12359-21copy09:32:022
71480rcu_preempt12359-21copy09:32:022
3259999472cyclictest17852-21/usr/sbin/munin11:37:242
3259999472cyclictest17852-21/usr/sbin/munin11:37:242
3259999472cyclictest17852-21/usr/sbin/munin11:37:242
3259999462cyclictest3096-21ntp_states10:12:182
3259999462cyclictest3096-21ntp_states10:12:182
3259999452cyclictest12742-21ntp_states11:27:212
3259999452cyclictest12742-21ntp_states11:27:212
3259999443cyclictest0-21swapper/212:21:272
3259999443cyclictest0-21swapper/212:21:272
3259999442cyclictest26674-21memory11:52:162
3259999442cyclictest26674-21memory11:52:162
71430rcu_preempt25748-21ssh09:55:210
71430rcu_preempt25748-21ssh09:55:210
71430rcu_preempt25748-21ssh09:55:210
71430rcu_preempt0-21swapper/212:26:362
71430rcu_preempt0-21swapper/212:26:362
71430rcu_preempt0-21swapper/109:37:271
71430rcu_preempt0-21swapper/109:37:271
46050430irq/122-QManpo19574-2110:48:550
46050430irq/122-QManpo19574-2110:48:550
3259999434cyclictest0-21swapper/209:40:112
3259999434cyclictest0-21swapper/209:40:112
3259999433cyclictest11267-21irqstats10:27:132
3259999433cyclictest11267-21irqstats10:27:132
3259999433cyclictest0-21swapper/212:04:202
3259999433cyclictest0-21swapper/212:04:202
3259999433cyclictest0-21swapper/212:04:202
3259999433cyclictest0-21swapper/210:07:172
3259999433cyclictest0-21swapper/210:07:172
3259999432cyclictest2704-21memory12:07:162
3259999432cyclictest2704-21memory12:07:162
3259999432cyclictest2704-21memory12:07:162
3259999432cyclictest23959-21ntp_states11:47:192
3259999432cyclictest23959-21ntp_states11:47:192
3259999432cyclictest0-21swapper/210:42:022
3259999432cyclictest0-21swapper/210:42:022
3259999432cyclictest0-21swapper/210:42:022
71420rcu_preempt0-21swapper/311:16:583
71420rcu_preempt0-21swapper/311:16:583
71420rcu_preempt0-21swapper/311:16:583
3259999425cyclictest31897-1kworker/2:6H10:17:142
3259999425cyclictest31897-1kworker/2:6H10:17:142
3259999424cyclictest0-21swapper/207:52:062
3259999424cyclictest0-21swapper/207:52:062
3259999423cyclictest0-21swapper/212:37:442
3259999423cyclictest0-21swapper/212:37:442
3259999423cyclictest0-21swapper/212:37:442
3259999423cyclictest0-21swapper/211:43:442
3259999423cyclictest0-21swapper/211:43:442
3259999423cyclictest0-21swapper/211:43:442
3259999423cyclictest0-21swapper/211:08:032
3259999423cyclictest0-21swapper/211:08:032
3259999423cyclictest0-21swapper/210:32:052
3259999423cyclictest0-21swapper/210:32:052
3259999423cyclictest0-21swapper/209:29:452
3259999423cyclictest0-21swapper/209:29:452
3259999423cyclictest0-21swapper/209:12:152
3259999423cyclictest0-21swapper/209:12:152
3259999423cyclictest0-21swapper/209:12:152
3259999422cyclictest8483-21munin-run07:41:542
3259999422cyclictest8483-21munin-run07:41:542
3259999422cyclictest8483-21munin-run07:41:542
3259999422cyclictest30941-21df_inode11:02:082
3259999422cyclictest30941-21df_inode11:02:082
3259999422cyclictest30941-21df_inode11:02:082
3259999422cyclictest29343-21diskstats11:57:092
3259999422cyclictest29343-21diskstats11:57:092
3259999422cyclictest29343-21diskstats11:57:092
3259999422cyclictest29343-21diskstats11:57:092
3259999422cyclictest26769-21df_inode09:57:072
3259999422cyclictest26769-21df_inode09:57:072
3259999422cyclictest15026-21users08:02:232
3259999422cyclictest15026-21users08:02:232
32599994224cyclictest30229-21timerandwakeup10:02:212
32599994224cyclictest30229-21timerandwakeup10:02:212
32599994224cyclictest30229-21timerandwakeup10:02:212
32599994224cyclictest30229-21timerandwakeup10:02:212
3259999421cyclictest5672-21apt-get07:32:172
3259999421cyclictest5672-21apt-get07:32:172
3259999421cyclictest5672-21apt-get07:32:172
71410rcu_preempt31833-1kworker/2:2H09:17:112
71410rcu_preempt31833-1kworker/2:2H09:17:112
46050410irq/122-QManpo30670-2110:48:550
46050410irq/122-QManpo30670-2110:48:550
46050410irq/122-QManpo25121-2110:48:550
46050410irq/122-QManpo25121-2110:48:550
3259999413cyclictest0-21swapper/210:57:432
3259999413cyclictest0-21swapper/210:57:432
3259999413cyclictest0-21swapper/210:57:432
3259999413cyclictest0-21swapper/210:54:472
3259999413cyclictest0-21swapper/210:54:472
3259999413cyclictest0-21swapper/210:41:372
3259999413cyclictest0-21swapper/210:41:372
3259999413cyclictest0-21swapper/209:42:252
3259999413cyclictest0-21swapper/209:42:252
3259999413cyclictest0-21swapper/209:42:252
3259999413cyclictest0-21swapper/209:06:552
3259999413cyclictest0-21swapper/209:06:552
3259999412cyclictest9755-21sed11:22:072
3259999412cyclictest9755-21sed11:22:072
3259999412cyclictest9755-21sed11:22:072
3259999412cyclictest8619-21apt-get07:42:062
3259999412cyclictest8619-21apt-get07:42:062
3259999412cyclictest7102-21meminfo11:17:152
3259999412cyclictest7102-21meminfo11:17:152
3259999412cyclictest7102-21meminfo11:17:152
3259999412cyclictest7009-21/usr/sbin/munin09:22:072
3259999412cyclictest7009-21/usr/sbin/munin09:22:072
3259999412cyclictest24227-21ntp_states09:52:182
3259999412cyclictest24227-21ntp_states09:52:182
3259999412cyclictest24227-21ntp_states09:52:182
3259999411cyclictest19574-21sendmail-msp08:22:092
3259999411cyclictest19574-21sendmail-msp08:22:092
3259999411cyclictest17757-21seq11:36:572
3259999411cyclictest17757-21seq11:36:572
99750400irq/38-i2c-mpc0-21swapper/010:32:240
99750400irq/38-i2c-mpc0-21swapper/010:32:240
71400rcu_preempt11917-1kworker/0:1H12:27:150
71400rcu_preempt11917-1kworker/0:1H12:27:150
71400rcu_preempt11917-1kworker/0:1H12:27:150
71400rcu_preempt0-21swapper/110:05:071
71400rcu_preempt0-21swapper/110:05:071
71400rcu_preempt0-21swapper/110:05:071
71400rcu_preempt0-21swapper/110:05:071
71400rcu_preempt0-21swapper/011:24:440
71400rcu_preempt0-21swapper/011:24:440
71400rcu_preempt0-21swapper/011:24:440
71400rcu_preempt0-21swapper/009:57:260
71400rcu_preempt0-21swapper/009:57:260
46050400irq/122-QManpo12169-210
46050400irq/122-QManpo12169-210
3259999404cyclictest0-21swapper/207:17:142
3259999404cyclictest0-21swapper/207:17:142
3259999403cyclictest22808-21taskset09:50:102
3259999403cyclictest22808-21taskset09:50:102
3259999403cyclictest22808-21taskset09:50:102
3259999403cyclictest0-21swapper/210:24:362
3259999403cyclictest0-21swapper/210:24:362
3259999403cyclictest0-21swapper/208:17:212
3259999403cyclictest0-21swapper/208:17:212
3259999403cyclictest0-21swapper/208:12:032
3259999403cyclictest0-21swapper/208:12:032
3259999403cyclictest0-21swapper/207:27:212
3259999403cyclictest0-21swapper/207:27:212
3259999402cyclictest0-21swapper/211:14:292
3259999402cyclictest0-21swapper/211:14:292
3259999402cyclictest0-21swapper/211:14:292
3259999402cyclictest0-21swapper/210:47:592
3259999402cyclictest0-21swapper/210:47:592
3259999402cyclictest0-21swapper/210:47:592
3259999401cyclictest6247-21chrt12:12:552
3259999401cyclictest6247-21chrt12:12:552
3259999401cyclictest6247-21chrt12:12:552
3259999401cyclictest12764-21/usr/sbin/munin07:57:212
3259999401cyclictest12764-21/usr/sbin/munin07:57:212
71390rcu_preempt12398-21ssh09:31:581
71390rcu_preempt12398-21ssh09:31:581
71390rcu_preempt0-21swapper/112:22:251
71390rcu_preempt0-21swapper/112:22:251
71390rcu_preempt0-21swapper/111:00:241
71390rcu_preempt0-21swapper/111:00:241
71390rcu_preempt0-21swapper/111:00:241
46650390irq/116-QManpo32516-2110:48:553
46650390irq/116-QManpo32516-2110:48:553
3259999394cyclictest0-21swapper/208:31:532
3259999394cyclictest0-21swapper/208:31:532
3259999393cyclictest0-21swapper/212:36:252
3259999393cyclictest0-21swapper/212:36:252
3259999393cyclictest0-21swapper/208:47:082
3259999393cyclictest0-21swapper/208:47:082
3259999393cyclictest0-21swapper/208:47:082
3259999393cyclictest0-21swapper/208:42:062
3259999393cyclictest0-21swapper/208:42:062
3259999392cyclictest22471-21/usr/sbin/munin08:32:172
3259999392cyclictest22471-21/usr/sbin/munin08:32:172
3259999391cyclictest3277-21diskstats07:22:082
3259999391cyclictest3277-21diskstats07:22:082
3259999391cyclictest28023-21/usr/sbin/munin08:52:172
3259999391cyclictest28023-21/usr/sbin/munin08:52:172
1599390migration/011028-21runrttasks12:22:080
1599390migration/011028-21runrttasks12:22:080
71380rcu_preempt3683-1kworker/0:2H10:31:560
71380rcu_preempt3683-1kworker/0:2H10:31:560
71380rcu_preempt1770-21in:imuxsock07:11:521
71380rcu_preempt1770-21in:imuxsock07:11:521
71380rcu_preempt0-21swapper/310:02:113
71380rcu_preempt0-21swapper/310:02:113
71380rcu_preempt0-21swapper/310:02:113
71380rcu_preempt0-21swapper/310:02:113
71380rcu_preempt0-21swapper/111:03:221
71380rcu_preempt0-21swapper/111:03:221
71380rcu_preempt0-21swapper/111:03:221
71380rcu_preempt0-21swapper/110:12:541
71380rcu_preempt0-21swapper/110:12:541
71380rcu_preempt0-21swapper/011:45:110
71380rcu_preempt0-21swapper/011:45:110
71380rcu_preempt0-21swapper/011:45:110
46050380irq/122-QManpo1030-2110:48:550
46050380irq/122-QManpo1030-2110:48:550
3259999383cyclictest0-21swapper/212:27:432
3259999383cyclictest0-21swapper/212:27:432
3259999383cyclictest0-21swapper/212:27:432
3259999383cyclictest0-21swapper/209:07:092
3259999383cyclictest0-21swapper/209:07:092
3259999381cyclictest1959-21runrttasks07:16:512
3259999381cyclictest1959-21runrttasks07:16:512
71370rcu_preempt1959-21runrttasks11:37:111
71370rcu_preempt1959-21runrttasks11:37:111
71370rcu_preempt1959-21runrttasks11:37:111
71370rcu_preempt17702-21sh09:41:060
71370rcu_preempt17702-21sh09:41:060
71370rcu_preempt0-21swapper/111:36:021
71370rcu_preempt0-21swapper/111:36:021
71370rcu_preempt0-21swapper/111:21:111
71370rcu_preempt0-21swapper/111:21:111
71370rcu_preempt0-21swapper/111:21:111
71370rcu_preempt0-21swapper/110:49:211
71370rcu_preempt0-21swapper/110:49:211
71370rcu_preempt0-21swapper/110:49:211
71370rcu_preempt0-21swapper/109:02:441
71370rcu_preempt0-21swapper/109:02:441
71370rcu_preempt0-21swapper/108:24:161
71370rcu_preempt0-21swapper/108:24:161
71370rcu_preempt0-21swapper/010:56:390
71370rcu_preempt0-21swapper/010:56:390
71370rcu_preempt0-21swapper/010:02:020
71370rcu_preempt0-21swapper/010:02:020
71370rcu_preempt0-21swapper/010:02:020
71370rcu_preempt0-21swapper/010:02:020
71370rcu_preempt0-21swapper/009:48:120
71370rcu_preempt0-21swapper/009:48:120
71370rcu_preempt0-21swapper/009:48:120
71370rcu_preempt0-21swapper/009:43:440
71370rcu_preempt0-21swapper/009:43:440
71370rcu_preempt0-21swapper/009:43:440
71370rcu_preempt0-21swapper/009:19:570
71370rcu_preempt0-21swapper/009:19:570
46050370irq/122-QManpo32407-2110:48:550
46050370irq/122-QManpo32407-2110:48:550
46050370irq/122-QManpo10239-2110:48:550
46050370irq/122-QManpo10239-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
3259999372cyclictest0-21swapper/207:47:202
3259999372cyclictest0-21swapper/207:47:202
3259999371cyclictest23852-21munin-node08:37:052
3259999371cyclictest23852-21munin-node08:37:052
3259999371cyclictest23852-21munin-node08:37:052
191352370sleep03683-1kworker/0:2H10:41:270
191352370sleep03683-1kworker/0:2H10:41:270
99750360irq/38-i2c-mpc31684-21ssh11:02:310
99750360irq/38-i2c-mpc31684-21ssh11:02:310
99750360irq/38-i2c-mpc31684-21ssh11:02:310
71360rcu_preempt7862-21ssh09:22:221
71360rcu_preempt7862-21ssh09:22:221
71360rcu_preempt3956-21apt-get09:17:221
71360rcu_preempt3956-21apt-get09:17:221
71360rcu_preempt27476-1kworker/3:0H12:02:223
71360rcu_preempt27476-1kworker/3:0H12:02:223
71360rcu_preempt27476-1kworker/3:0H12:02:223
71360rcu_preempt0-21swapper/111:42:041
71360rcu_preempt0-21swapper/111:42:041
71360rcu_preempt0-21swapper/111:42:041
71360rcu_preempt0-21swapper/111:16:091
71360rcu_preempt0-21swapper/111:16:091
71360rcu_preempt0-21swapper/111:16:091
71360rcu_preempt0-21swapper/110:32:551
71360rcu_preempt0-21swapper/110:32:551
71360rcu_preempt0-21swapper/110:07:361
71360rcu_preempt0-21swapper/110:07:361
71360rcu_preempt0-21swapper/109:47:481
71360rcu_preempt0-21swapper/109:47:481
71360rcu_preempt0-21swapper/109:47:481
71360rcu_preempt0-21swapper/107:32:051
71360rcu_preempt0-21swapper/107:32:051
71360rcu_preempt0-21swapper/107:32:051
71360rcu_preempt0-21swapper/011:57:590
71360rcu_preempt0-21swapper/011:57:590
71360rcu_preempt0-21swapper/011:57:590
71360rcu_preempt0-21swapper/011:57:590
71360rcu_preempt0-21swapper/010:23:190
71360rcu_preempt0-21swapper/010:23:190
71360rcu_preempt0-21swapper/008:03:220
71360rcu_preempt0-21swapper/008:03:220
46050360irq/122-QManpo32225-2110:48:550
46050360irq/122-QManpo32225-2110:48:550
46050360irq/122-QManpo32225-2110:48:550
46050360irq/122-QManpo27843-2110:48:550
46050360irq/122-QManpo27843-2110:48:550
46050360irq/122-QManpo20602-2110:48:550
46050360irq/122-QManpo20602-2110:48:550
46050360irq/122-QManpo20602-2110:48:550
46050360irq/122-QManpo1958-2110:48:550
46050360irq/122-QManpo1958-2110:48:550
46050360irq/122-QManpo16224-10
46050360irq/122-QManpo16224-10
46050360irq/122-QManpo16224-10
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
32599993610cyclictest0-21swapper/209:01:542
32599993610cyclictest0-21swapper/209:01:542
32599993610cyclictest0-21swapper/209:01:542
71350rcu_preempt9362-21sendmail-msp11:25:331
71350rcu_preempt9362-21sendmail-msp11:25:331
71350rcu_preempt9362-21sendmail-msp11:25:331
71350rcu_preempt23923-21cut08:37:080
71350rcu_preempt23923-21cut08:37:080
71350rcu_preempt23923-21cut08:37:080
71350rcu_preempt18027-21sendmail-msp09:42:261
71350rcu_preempt18027-21sendmail-msp09:42:261
71350rcu_preempt18027-21sendmail-msp09:42:261
71350rcu_preempt17710-21copy11:37:000
71350rcu_preempt17710-21copy11:37:000
71350rcu_preempt0-21swapper/309:49:363
71350rcu_preempt0-21swapper/309:49:363
71350rcu_preempt0-21swapper/309:49:363
71350rcu_preempt0-21swapper/309:14:533
71350rcu_preempt0-21swapper/309:14:533
71350rcu_preempt0-21swapper/309:14:533
71350rcu_preempt0-21swapper/112:37:061
71350rcu_preempt0-21swapper/112:37:061
71350rcu_preempt0-21swapper/112:37:061
71350rcu_preempt0-21swapper/112:34:571
71350rcu_preempt0-21swapper/112:34:571
71350rcu_preempt0-21swapper/112:18:441
71350rcu_preempt0-21swapper/112:18:441
71350rcu_preempt0-21swapper/112:00:261
71350rcu_preempt0-21swapper/112:00:261
71350rcu_preempt0-21swapper/112:00:261
71350rcu_preempt0-21swapper/112:00:261
71350rcu_preempt0-21swapper/111:54:071
71350rcu_preempt0-21swapper/111:54:071
71350rcu_preempt0-21swapper/111:27:441
71350rcu_preempt0-21swapper/111:27:441
71350rcu_preempt0-21swapper/111:07:521
71350rcu_preempt0-21swapper/111:07:521
71350rcu_preempt0-21swapper/110:18:381
71350rcu_preempt0-21swapper/110:18:381
71350rcu_preempt0-21swapper/108:52:131
71350rcu_preempt0-21swapper/108:52:131
71350rcu_preempt0-21swapper/108:51:011
71350rcu_preempt0-21swapper/108:51:011
71350rcu_preempt0-21swapper/108:51:011
71350rcu_preempt0-21swapper/108:05:011
71350rcu_preempt0-21swapper/108:05:011
71350rcu_preempt0-21swapper/107:43:491
71350rcu_preempt0-21swapper/107:43:491
71350rcu_preempt0-21swapper/107:18:261
71350rcu_preempt0-21swapper/107:18:261
71350rcu_preempt0-21swapper/012:37:350
71350rcu_preempt0-21swapper/012:37:350
71350rcu_preempt0-21swapper/012:37:350
71350rcu_preempt0-21swapper/012:35:480
71350rcu_preempt0-21swapper/012:35:480
71350rcu_preempt0-21swapper/012:11:170
71350rcu_preempt0-21swapper/012:11:170
71350rcu_preempt0-21swapper/012:11:170
71350rcu_preempt0-21swapper/011:51:320
71350rcu_preempt0-21swapper/011:51:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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