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2026-04-27 - 11:38
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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 Mon Apr 27, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36472960chrt46250irq/120-QMan10:48:551
36472960chrt46250irq/120-QMan10:48:551
71640rcu_preempt0-21swapper/022:32:110
71640rcu_preempt0-21swapper/022:32:110
71620rcu_preempt0-21swapper/100:04:481
71620rcu_preempt0-21swapper/100:04:481
71620rcu_preempt0-21swapper/100:04:481
25466995612cyclictest0-21swapper/019:52:340
25466995612cyclictest0-21swapper/019:52:340
2546699547cyclictest0-21swapper/023:17:590
2546699547cyclictest0-21swapper/023:17:590
2546699534cyclictest0-21swapper/022:08:440
2546699534cyclictest0-21swapper/022:08:440
2546699534cyclictest0-21swapper/022:08:440
2546699523cyclictest0-21swapper/021:32:380
2546699523cyclictest0-21swapper/021:32:380
46050510irq/122-QManpo24335-2110:48:550
46050510irq/122-QManpo24335-2110:48:550
46050510irq/122-QManpo24335-2110:48:550
2546699513cyclictest0-21swapper/023:53:020
2546699513cyclictest0-21swapper/023:53:020
2546699513cyclictest0-21swapper/023:53:020
2546699513cyclictest0-21swapper/023:15:440
2546699513cyclictest0-21swapper/023:15:440
2546699513cyclictest0-21swapper/000:35:240
2546699513cyclictest0-21swapper/000:35:240
2546699513cyclictest0-21swapper/000:27:580
2546699513cyclictest0-21swapper/000:27:580
2546699513cyclictest0-21swapper/000:27:580
2546699511cyclictest24097-21ssh23:07:040
2546699511cyclictest24097-21ssh23:07:040
2546699511cyclictest24097-21ssh23:07:040
2546699504cyclictest32300-21munin-run19:37:320
2546699504cyclictest32300-21munin-run19:37:320
2546699504cyclictest0-21swapper/021:42:450
2546699504cyclictest0-21swapper/021:42:450
2546699504cyclictest0-21swapper/021:42:450
2546699504cyclictest0-21swapper/021:42:450
2546699504cyclictest0-21swapper/021:12:540
2546699504cyclictest0-21swapper/021:12:540
2546699504cyclictest0-21swapper/019:17:460
2546699504cyclictest0-21swapper/019:17:460
2546699503cyclictest0-21swapper/021:40:440
2546699503cyclictest0-21swapper/021:40:440
2546699503cyclictest0-21swapper/020:13:020
2546699503cyclictest0-21swapper/020:13:020
2546699503cyclictest0-21swapper/000:18:010
2546699503cyclictest0-21swapper/000:18:010
2546699503cyclictest0-21swapper/000:18:010
2546699503cyclictest0-21swapper/000:08:500
2546699503cyclictest0-21swapper/000:08:500
2546699503cyclictest0-21swapper/000:08:500
2546699503cyclictest0-21swapper/000:08:500
2546699502cyclictest9814-21ssh22:39:030
2546699502cyclictest9814-21ssh22:39:030
2546699502cyclictest22711-21memory20:57:550
2546699502cyclictest22711-21memory20:57:550
2546699502cyclictest19773-21df_inode20:47:470
2546699502cyclictest19773-21df_inode20:47:470
2546699501cyclictest12296-21users22:43:040
2546699501cyclictest12296-21users22:43:040
2546699501cyclictest12296-21users22:43:040
25466995019cyclictest0-21swapper/022:03:260
25466995019cyclictest0-21swapper/022:03:260
25466995019cyclictest0-21swapper/022:03:260
25466995017cyclictest29885-21meminfo21:17:530
25466995017cyclictest29885-21meminfo21:17:530
25466995017cyclictest11282-21/usr/sbin/munin23:43:020
25466995017cyclictest11282-21/usr/sbin/munin23:43:020
25466995017cyclictest11282-21/usr/sbin/munin23:43:020
2546699494cyclictest0-21swapper/020:02:360
2546699494cyclictest0-21swapper/020:02:360
2546699493cyclictest32701-21apt-get23:22:450
2546699493cyclictest32701-21apt-get23:22:450
2546699493cyclictest32701-21apt-get23:22:450
2546699493cyclictest0-21swapper/023:51:300
2546699493cyclictest0-21swapper/023:51:300
2546699493cyclictest0-21swapper/023:51:300
2546699493cyclictest0-21swapper/021:55:260
2546699493cyclictest0-21swapper/021:55:260
2546699493cyclictest0-21swapper/021:25:500
2546699493cyclictest0-21swapper/021:25:500
2546699493cyclictest0-21swapper/021:25:500
2546699492cyclictest29904-21df_inode19:27:480
2546699492cyclictest29904-21df_inode19:27:480
2546699492cyclictest1148-21irqstats00:22:520
2546699492cyclictest1148-21irqstats00:22:520
2546699492cyclictest1148-21irqstats00:22:520
25466994910cyclictest25331-21diskstats21:07:480
25466994910cyclictest25331-21diskstats21:07:480
2546699488cyclictest2019-21grep19:43:000
2546699488cyclictest2019-21grep19:43:000
2546699483cyclictest0-21swapper/022:50:250
2546699483cyclictest0-21swapper/022:50:250
2546699483cyclictest0-21swapper/022:50:250
2546699483cyclictest0-21swapper/022:13:470
2546699483cyclictest0-21swapper/022:13:470
2546699483cyclictest0-21swapper/022:13:470
2546699482cyclictest5789-21ssh23:32:450
2546699482cyclictest5789-21ssh23:32:450
2546699482cyclictest5697-21meminfo21:32:550
2546699482cyclictest5697-21meminfo21:32:550
2546699482cyclictest5697-21meminfo21:32:550
2546699482cyclictest30242-21irqstats22:17:510
2546699482cyclictest30242-21irqstats22:17:510
2546699482cyclictest27538-21/usr/sbin/munin00:13:000
2546699482cyclictest27538-21/usr/sbin/munin00:13:000
2546699482cyclictest14692-21ssh21:48:360
2546699482cyclictest14692-21ssh21:48:360
2546699482cyclictest14692-21ssh21:48:360
2546699482cyclictest0-21swapper/000:03:250
2546699482cyclictest0-21swapper/000:03:250
2546699482cyclictest0-21swapper/000:03:250
25466994817cyclictest20953-21ssh23:59:390
25466994817cyclictest20953-21ssh23:59:390
25466994816cyclictest5880-21df22:32:460
25466994816cyclictest5880-21df22:32:460
25466994814cyclictest16747-21df22:52:480
25466994814cyclictest16747-21df22:52:480
25466994814cyclictest16747-21df22:52:480
71470rcu_preempt0-21swapper/322:53:223
71470rcu_preempt0-21swapper/322:53:223
71470rcu_preempt0-21swapper/322:53:223
2546999473cyclictest0-21swapper/321:49:013
2546999473cyclictest0-21swapper/321:49:013
2546999473cyclictest0-21swapper/321:49:013
2546699473cyclictest0-21swapper/023:29:310
2546699473cyclictest0-21swapper/023:29:310
2546699473cyclictest0-21swapper/023:29:310
2546699472cyclictest8556-21df20:07:460
2546699472cyclictest8556-21df20:07:460
2546699472cyclictest25729-21ssh23:09:010
2546699472cyclictest25729-21ssh23:09:010
2546699472cyclictest25729-21ssh23:09:010
2546699472cyclictest0-21swapper/019:17:330
2546699472cyclictest0-21swapper/019:17:330
25466994712cyclictest521-1kworker/0:1H22:23:220
25466994712cyclictest521-1kworker/0:1H22:23:220
25466994712cyclictest19621-21memory22:57:580
25466994712cyclictest19621-21memory22:57:580
25466994712cyclictest19621-21memory22:57:580
2546999468cyclictest23461-21chrt00:03:513
2546999468cyclictest23461-21chrt00:03:513
2546999468cyclictest23461-21chrt00:03:513
2546699462cyclictest9261-21ssh00:37:520
2546699462cyclictest9261-21ssh00:37:520
2546699462cyclictest9261-21ssh00:37:520
2546699462cyclictest7859-21users20:03:000
2546699462cyclictest7859-21users20:03:000
2546699462cyclictest20702-21ssh22:00:040
2546699462cyclictest20702-21ssh22:00:040
2546699462cyclictest1959-21runrttasks19:26:230
2546699462cyclictest1959-21runrttasks19:26:230
2546699462cyclictest0-21swapper/023:42:350
2546699462cyclictest0-21swapper/023:42:350
25466994611cyclictest0-21swapper/020:27:430
25466994611cyclictest0-21swapper/020:27:430
25466994611cyclictest0-21swapper/020:27:430
2546999456cyclictest0-21swapper/322:22:373
2546999456cyclictest0-21swapper/322:22:373
2546699459cyclictest12091-21seq20:18:280
2546699459cyclictest12091-21seq20:18:280
2546699451cyclictest0-21swapper/019:37:580
2546699451cyclictest0-21swapper/019:37:580
25466994515cyclictest0-21swapper/020:47:230
25466994515cyclictest0-21swapper/020:47:230
25466994511cyclictest12446-21sendmail-msp20:24:520
25466994511cyclictest12446-21sendmail-msp20:24:520
25466994510cyclictest16123-21cat20:33:020
25466994510cyclictest16123-21cat20:33:020
46250440irq/120-QManpo24957-2110:48:551
46250440irq/120-QManpo24957-2110:48:551
46250440irq/120-QManpo24957-2110:48:551
2546999447cyclictest606-21sendmail-msp00:33:273
2546999447cyclictest606-21sendmail-msp00:33:273
2546999444cyclictest0-21swapper/321:12:513
2546999444cyclictest0-21swapper/321:12:513
2546999443cyclictest0-21swapper/323:03:013
2546999443cyclictest0-21swapper/323:03:013
2546999443cyclictest0-21swapper/323:03:013
2546999443cyclictest0-21swapper/300:22:393
2546999443cyclictest0-21swapper/300:07:563
2546999443cyclictest0-21swapper/300:07:563
2546999443cyclictest0-21swapper/300:07:563
2546999443cyclictest0-21swapper/300:07:563
2546999441cyclictest15367-21ssh22:49:263
2546999441cyclictest15367-21ssh22:49:263
2546999441cyclictest15367-21ssh22:49:263
2546699442cyclictest21396-21/usr/sbin/munin20:52:550
2546699442cyclictest21396-21/usr/sbin/munin20:52:550
2546999434cyclictest0-21swapper/323:59:083
2546999434cyclictest0-21swapper/323:59:083
2546999434cyclictest0-21swapper/322:27:413
2546999434cyclictest0-21swapper/322:27:413
2546999434cyclictest0-21swapper/320:18:003
2546999434cyclictest0-21swapper/320:18:003
2546999432cyclictest25262-21df21:07:463
2546999432cyclictest25262-21df21:07:463
25469994316cyclictest1675-21diskstats19:42:503
25469994316cyclictest1675-21diskstats19:42:503
2546699432cyclictest23570-21sendmail-msp21:03:140
2546699432cyclictest23570-21sendmail-msp21:03:140
2546699432cyclictest23570-21sendmail-msp21:03:140
2546699432cyclictest0-21swapper/020:42:380
2546699432cyclictest0-21swapper/020:42:380
71420rcu_preempt0-21swapper/222:28:012
71420rcu_preempt0-21swapper/222:28:012
2546999424cyclictest0-21swapper/322:57:593
2546999424cyclictest0-21swapper/322:57:593
2546999424cyclictest0-21swapper/322:57:593
2546999424cyclictest0-21swapper/321:44:283
2546999424cyclictest0-21swapper/321:44:283
2546999424cyclictest0-21swapper/321:44:283
2546999424cyclictest0-21swapper/321:44:283
2546999424cyclictest0-21swapper/300:37:513
2546999424cyclictest0-21swapper/300:37:513
2546999424cyclictest0-21swapper/300:37:513
2546999423cyclictest0-21swapper/323:17:563
2546999423cyclictest0-21swapper/323:17:563
2546999422cyclictest3245-21memory19:47:543
2546999422cyclictest3245-21memory19:47:543
71410rcu_preempt23230-1kworker/1:0H00:12:451
71410rcu_preempt23230-1kworker/1:0H00:12:451
71410rcu_preempt0-21swapper/121:57:341
71410rcu_preempt0-21swapper/121:57:341
71410rcu_preempt0-21swapper/019:55:490
71410rcu_preempt0-21swapper/019:55:490
71410rcu_preempt0-21swapper/019:55:490
46650410irq/116-QManpo25356-2110:48:553
46650410irq/116-QManpo25356-2110:48:553
46650410irq/116-QManpo25356-2110:48:553
2546999414cyclictest0-21swapper/323:09:063
2546999414cyclictest0-21swapper/323:09:063
2546999414cyclictest0-21swapper/323:09:063
2546999413cyclictest22298-21meminfo22:02:553
2546999413cyclictest22298-21meminfo22:02:553
2546999413cyclictest22298-21meminfo22:02:553
2546999413cyclictest0-21swapper/323:51:073
2546999413cyclictest0-21swapper/323:51:073
2546999413cyclictest0-21swapper/323:51:073
2546999413cyclictest0-21swapper/322:37:333
2546999413cyclictest0-21swapper/322:37:333
2546999413cyclictest0-21swapper/322:10:403
2546999413cyclictest0-21swapper/322:10:403
2546999413cyclictest0-21swapper/322:10:403
2546999413cyclictest0-21swapper/321:52:463
2546999413cyclictest0-21swapper/321:52:463
2546999413cyclictest0-21swapper/300:24:243
2546999413cyclictest0-21swapper/300:24:243
2546999413cyclictest0-21swapper/300:24:243
2546999413cyclictest0-21swapper/300:17:413
2546999413cyclictest0-21swapper/300:17:413
2546999412cyclictest7400-21meminfo20:02:523
2546999412cyclictest7400-21meminfo20:02:523
2546999412cyclictest5594-21irqstats21:32:543
2546999412cyclictest5594-21irqstats21:32:543
2546999412cyclictest5594-21irqstats21:32:543
2546999412cyclictest4454-21users00:28:043
2546999412cyclictest4454-21users00:28:043
2546999412cyclictest4454-21users00:28:043
2546999411cyclictest26348-21diskmemload21:30:173
2546999411cyclictest26348-21diskmemload21:30:173
2546999411cyclictest0-21swapper/319:57:523
2546999411cyclictest0-21swapper/319:57:523
25469994119cyclictest30253-1ssh00:17:363
25469994119cyclictest30253-1ssh00:17:363
25469994116cyclictest10873-21ssh21:42:393
25469994116cyclictest10873-21ssh21:42:393
71400rcu_preempt0-21swapper/221:16:032
71400rcu_preempt0-21swapper/221:16:032
71400rcu_preempt0-21swapper/122:07:121
71400rcu_preempt0-21swapper/122:07:121
71400rcu_preempt0-21swapper/122:07:121
2546999403cyclictest0-21swapper/323:43:043
2546999403cyclictest0-21swapper/323:43:043
2546999403cyclictest0-21swapper/323:43:043
2546999403cyclictest0-21swapper/323:33:283
2546999403cyclictest0-21swapper/323:33:283
2546999403cyclictest0-21swapper/323:25:023
2546999403cyclictest0-21swapper/323:25:023
2546999403cyclictest0-21swapper/323:25:023
2546999403cyclictest0-21swapper/322:43:383
2546999403cyclictest0-21swapper/322:43:383
2546999403cyclictest0-21swapper/322:43:383
2546999403cyclictest0-21swapper/322:29:273
2546999403cyclictest0-21swapper/322:29:273
2546999403cyclictest0-21swapper/321:03:403
2546999403cyclictest0-21swapper/321:03:403
2546999403cyclictest0-21swapper/321:03:403
2546999403cyclictest0-21swapper/320:32:583
2546999403cyclictest0-21swapper/320:32:583
2546999403cyclictest0-21swapper/320:22:473
2546999403cyclictest0-21swapper/320:22:473
2546999403cyclictest0-21swapper/320:07:563
2546999403cyclictest0-21swapper/320:07:563
2546999402cyclictest9043-21ntp_states22:37:573
2546999402cyclictest9043-21ntp_states22:37:573
2546999402cyclictest3305-21irqstats23:27:543
2546999402cyclictest3305-21irqstats23:27:543
2546999402cyclictest3305-21irqstats23:27:543
2546999402cyclictest32350-21/usr/sbin/munin21:22:473
2546999402cyclictest32350-21/usr/sbin/munin21:22:473
2546999402cyclictest32350-21/usr/sbin/munin21:22:473
2546999401cyclictest0-21swapper/321:57:563
2546999401cyclictest0-21swapper/321:57:563
25469994012cyclictest28143-21munin-run19:22:333
25469994012cyclictest28143-21munin-run19:22:333
25469994012cyclictest0-21swapper/320:17:353
25469994012cyclictest0-21swapper/320:17:353
71390rcu_preempt11111-21sendmail-msp23:46:241
71390rcu_preempt11111-21sendmail-msp23:46:241
71390rcu_preempt11111-21sendmail-msp23:46:241
71390rcu_preempt0-21swapper/223:26:512
71390rcu_preempt0-21swapper/223:26:512
71390rcu_preempt0-21swapper/223:26:512
2546999394cyclictest0-21swapper/323:54:333
2546999394cyclictest0-21swapper/323:54:333
2546999394cyclictest0-21swapper/323:54:333
2546999393cyclictest0-21swapper/321:20:303
2546999393cyclictest0-21swapper/321:20:303
2546999392cyclictest29238-21ssh23:16:313
2546999392cyclictest29238-21ssh23:16:313
2546999392cyclictest14062-21/usr/sbin/munin20:27:473
2546999392cyclictest14062-21/usr/sbin/munin20:27:473
2546999392cyclictest14062-21/usr/sbin/munin20:27:473
71380rcu_preempt25719-1kworker/1:4H23:09:561
71380rcu_preempt25719-1kworker/1:4H23:09:561
71380rcu_preempt25719-1kworker/1:4H23:09:561
71380rcu_preempt2158-21seq21:26:461
71380rcu_preempt2158-21seq21:26:461
71380rcu_preempt2158-21seq21:26:461
71380rcu_preempt0-21swapper/222:44:442
71380rcu_preempt0-21swapper/222:44:442
71380rcu_preempt0-21swapper/222:44:442
71380rcu_preempt0-21swapper/222:08:422
71380rcu_preempt0-21swapper/222:08:422
71380rcu_preempt0-21swapper/222:08:422
71380rcu_preempt0-21swapper/200:32:362
71380rcu_preempt0-21swapper/200:32:362
71380rcu_preempt0-21swapper/200:32:362
71380rcu_preempt0-21swapper/122:58:071
71380rcu_preempt0-21swapper/122:58:071
71380rcu_preempt0-21swapper/122:58:071
71380rcu_preempt0-21swapper/122:50:031
71380rcu_preempt0-21swapper/122:50:031
71380rcu_preempt0-21swapper/122:50:031
71380rcu_preempt0-21swapper/121:12:341
71380rcu_preempt0-21swapper/121:12:341
71380rcu_preempt0-21swapper/119:43:001
71380rcu_preempt0-21swapper/119:43:001
2546999383cyclictest0-21swapper/323:40:353
2546999383cyclictest0-21swapper/323:40:353
2546999383cyclictest0-21swapper/322:16:153
2546999383cyclictest0-21swapper/322:16:153
2546999383cyclictest0-21swapper/322:16:153
2546999382cyclictest31055-21/usr/sbin/munin19:32:433
2546999382cyclictest31055-21/usr/sbin/munin19:32:433
2546999382cyclictest18889-21ls20:43:003
2546999382cyclictest18889-21ls20:43:003
2546999382cyclictest1294-21munin-run19:42:333
2546999382cyclictest1294-21munin-run19:42:333
71370rcu_preempt22892-1kworker/1:2H22:11:431
71370rcu_preempt22892-1kworker/1:2H22:11:431
71370rcu_preempt22892-1kworker/1:2H22:11:431
71370rcu_preempt0-21swapper/123:15:131
71370rcu_preempt0-21swapper/123:15:131
71370rcu_preempt0-21swapper/122:44:021
71370rcu_preempt0-21swapper/122:44:021
71370rcu_preempt0-21swapper/122:44:021
71370rcu_preempt0-21swapper/122:34:111
71370rcu_preempt0-21swapper/122:34:111
71370rcu_preempt0-21swapper/122:23:431
71370rcu_preempt0-21swapper/122:23:431
71370rcu_preempt0-21swapper/121:06:191
71370rcu_preempt0-21swapper/121:06:191
71370rcu_preempt0-21swapper/121:06:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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