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2026-05-13 - 02:57
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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 Wed May 13, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3102821180chrt46050irq/122-QMan10:48:550
3102821180chrt46050irq/122-QMan10:48:550
71520rcu_preempt9930-1kworker/3:2H19:12:543
71520rcu_preempt9930-1kworker/3:2H19:12:543
71520rcu_preempt30744-21ssh21:28:011
71520rcu_preempt30744-21ssh21:28:011
71520rcu_preempt30744-21ssh21:28:011
71510rcu_preempt0-21swapper/000:15:400
71510rcu_preempt0-21swapper/000:15:400
71470rcu_preempt28069-21apt-get19:38:093
71470rcu_preempt28069-21apt-get19:38:093
46050470irq/122-QManpo1408-2110:48:550
46050470irq/122-QManpo1408-2110:48:550
71460rcu_preempt1260-21apt-get19:58:102
71460rcu_preempt1260-21apt-get19:58:102
71450rcu_preempt9657-21apt-get20:28:091
71450rcu_preempt9657-21apt-get20:28:091
71450rcu_preempt9657-21apt-get20:28:091
71450rcu_preempt0-21swapper/119:10:211
71450rcu_preempt0-21swapper/119:10:211
71440rcu_preempt0-21swapper/000:12:540
71440rcu_preempt0-21swapper/000:12:540
71440rcu_preempt0-21swapper/000:12:540
46050440irq/122-QManpo12673-210
46050440irq/122-QManpo12673-210
2125699447cyclictest32616-21ssh23:29:483
2125699447cyclictest32616-21ssh23:29:483
2125699447cyclictest32616-21ssh23:29:483
2125699443cyclictest0-21swapper/323:08:273
2125699443cyclictest0-21swapper/323:08:273
46450430irq/118-QManpo12021-2110:48:552
46450430irq/118-QManpo12021-2110:48:552
2125699439cyclictest13365-21diskmemload21:55:113
2125699439cyclictest13365-21diskmemload21:55:113
2125699439cyclictest13365-21diskmemload21:55:113
2125699435cyclictest0-21swapper/321:43:013
2125699435cyclictest0-21swapper/321:43:013
2125699435cyclictest0-21swapper/321:43:013
2125699434cyclictest0-21swapper/300:28:163
2125699434cyclictest0-21swapper/300:28:163
2125699434cyclictest0-21swapper/300:28:163
71420rcu_preempt21887-1kworker/0:1H21:34:470
71420rcu_preempt21887-1kworker/0:1H21:34:470
71420rcu_preempt0-21swapper/122:35:291
71420rcu_preempt0-21swapper/122:35:291
71420rcu_preempt0-21swapper/122:35:291
71420rcu_preempt0-21swapper/022:04:500
71420rcu_preempt0-21swapper/022:04:500
71420rcu_preempt0-21swapper/021:30:250
71420rcu_preempt0-21swapper/021:30:250
71420rcu_preempt0-21swapper/021:30:250
2125699424cyclictest0-21swapper/323:53:143
2125699424cyclictest0-21swapper/323:53:143
2125699424cyclictest0-21swapper/300:19:413
2125699424cyclictest0-21swapper/300:19:413
2125699424cyclictest0-21swapper/300:19:413
2125699423cyclictest23746-21ntp_states00:13:213
2125699423cyclictest23746-21ntp_states00:13:213
2125699423cyclictest0-21swapper/323:48:043
2125699423cyclictest0-21swapper/323:48:043
2125699423cyclictest0-21swapper/323:48:043
2125699423cyclictest0-21swapper/323:33:223
2125699423cyclictest0-21swapper/323:33:223
2125699423cyclictest0-21swapper/323:33:223
2125699421cyclictest31265-21df_inode19:48:053
2125699421cyclictest31265-21df_inode19:48:053
71410rcu_preempt31310-21/usr/sbin/munin21:28:182
71410rcu_preempt31310-21/usr/sbin/munin21:28:182
71410rcu_preempt31310-21/usr/sbin/munin21:28:182
71410rcu_preempt0-21swapper/023:27:570
71410rcu_preempt0-21swapper/023:27:570
71410rcu_preempt0-21swapper/022:44:100
71410rcu_preempt0-21swapper/022:44:100
2125699414cyclictest0-21swapper/300:38:223
2125699414cyclictest0-21swapper/300:38:223
2125699414cyclictest0-21swapper/300:12:553
2125699414cyclictest0-21swapper/300:12:553
2125699414cyclictest0-21swapper/300:12:553
2125699413cyclictest4473-21diskstats20:08:053
2125699413cyclictest4473-21diskstats20:08:053
2125699413cyclictest0-21swapper/323:43:033
2125699413cyclictest0-21swapper/323:43:033
2125699413cyclictest0-21swapper/323:03:093
2125699413cyclictest0-21swapper/323:03:093
2125699413cyclictest0-21swapper/322:59:503
2125699413cyclictest0-21swapper/322:59:503
2125699413cyclictest0-21swapper/321:34:073
2125699413cyclictest0-21swapper/321:34:073
2125699413cyclictest0-21swapper/321:27:013
2125699413cyclictest0-21swapper/321:27:013
2125699413cyclictest0-21swapper/321:18:263
2125699413cyclictest0-21swapper/321:18:263
2125699413cyclictest0-21swapper/319:28:073
2125699413cyclictest0-21swapper/319:28:073
2125699413cyclictest0-21swapper/300:23:303
2125699413cyclictest0-21swapper/300:23:303
2125699413cyclictest0-21swapper/300:23:303
2125699412cyclictest18320-21memory00:03:183
2125699412cyclictest18320-21memory00:03:183
2125699412cyclictest0-21swapper/323:42:523
2125699412cyclictest0-21swapper/323:42:523
2125699412cyclictest0-21swapper/322:54:243
2125699412cyclictest0-21swapper/322:54:243
2125699412cyclictest0-21swapper/322:54:243
2125699411cyclictest19696-21/usr/sbin/munin22:08:093
2125699411cyclictest19696-21/usr/sbin/munin22:08:093
21256994117cyclictest14204-21df_inode20:43:063
21256994117cyclictest14204-21df_inode20:43:063
71400rcu_preempt17491-21sendmail-msp23:17:041
71400rcu_preempt17491-21sendmail-msp23:17:041
71400rcu_preempt0-21swapper/121:43:261
71400rcu_preempt0-21swapper/121:43:261
71400rcu_preempt0-21swapper/121:43:261
71400rcu_preempt0-21swapper/022:52:170
71400rcu_preempt0-21swapper/022:52:170
71400rcu_preempt0-21swapper/022:52:170
71400rcu_preempt0-21swapper/022:40:410
71400rcu_preempt0-21swapper/022:40:410
46050400irq/122-QManpo28170-2110:48:550
46050400irq/122-QManpo28170-2110:48:550
46050400irq/122-QManpo28170-2110:48:550
2125699404cyclictest0-21swapper/319:33:033
2125699404cyclictest0-21swapper/319:33:033
2125699403cyclictest0-21swapper/323:16:343
2125699403cyclictest0-21swapper/323:16:343
2125699403cyclictest0-21swapper/322:52:493
2125699403cyclictest0-21swapper/322:52:493
2125699403cyclictest0-21swapper/322:52:493
2125699403cyclictest0-21swapper/322:35:483
2125699403cyclictest0-21swapper/322:35:483
2125699403cyclictest0-21swapper/322:35:483
2125699403cyclictest0-21swapper/322:13:193
2125699403cyclictest0-21swapper/322:13:193
2125699403cyclictest0-21swapper/322:01:383
2125699403cyclictest0-21swapper/322:01:383
2125699403cyclictest0-21swapper/322:01:383
2125699403cyclictest0-21swapper/321:32:313
2125699403cyclictest0-21swapper/321:32:313
2125699403cyclictest0-21swapper/321:32:313
2125699403cyclictest0-21swapper/321:17:453
2125699403cyclictest0-21swapper/321:17:453
2125699403cyclictest0-21swapper/300:36:003
2125699403cyclictest0-21swapper/300:36:003
2125699402cyclictest30484-21users19:43:173
2125699402cyclictest30484-21users19:43:173
2125699402cyclictest1959-21runrttasks21:10:143
2125699402cyclictest1959-21runrttasks21:10:143
2125699401cyclictest19527-21/usr/sbin/munin21:03:213
2125699401cyclictest19527-21/usr/sbin/munin21:03:213
2125699401cyclictest19527-21/usr/sbin/munin21:03:213
71390rcu_preempt28653-21ssh21:23:130
71390rcu_preempt28653-21ssh21:23:130
71390rcu_preempt13577-21sh21:55:501
71390rcu_preempt13577-21sh21:55:501
71390rcu_preempt13577-21sh21:55:501
71390rcu_preempt0-21swapper/120:59:361
71390rcu_preempt0-21swapper/120:59:361
71390rcu_preempt0-21swapper/120:59:361
71390rcu_preempt0-21swapper/023:55:200
71390rcu_preempt0-21swapper/023:55:200
71390rcu_preempt0-21swapper/020:30:010
71390rcu_preempt0-21swapper/020:30:010
71390rcu_preempt0-21swapper/020:30:010
71390rcu_preempt0-21swapper/020:23:000
71390rcu_preempt0-21swapper/020:23:000
71390rcu_preempt0-21swapper/020:23:000
2125699393cyclictest0-21swapper/322:40:473
2125699393cyclictest0-21swapper/322:40:473
2125699393cyclictest0-21swapper/322:18:033
2125699393cyclictest0-21swapper/322:18:033
2125699393cyclictest0-21swapper/322:07:523
2125699393cyclictest0-21swapper/322:07:523
2125699392cyclictest0-21swapper/322:43:163
2125699392cyclictest0-21swapper/322:43:163
2125699391cyclictest29464-21/usr/sbin/munin23:23:213
2125699391cyclictest29464-21/usr/sbin/munin23:23:213
2125699391cyclictest29464-21/usr/sbin/munin23:23:213
71380rcu_preempt28532-21copy00:22:540
71380rcu_preempt28532-21copy00:22:540
71380rcu_preempt28532-21copy00:22:540
71380rcu_preempt23534-1kworker/1:1H21:22:081
71380rcu_preempt23534-1kworker/1:1H21:22:081
71380rcu_preempt11402-21sh21:52:090
71380rcu_preempt11402-21sh21:52:090
71380rcu_preempt11402-21sh21:52:090
71380rcu_preempt0-21swapper/221:48:382
71380rcu_preempt0-21swapper/221:48:382
71380rcu_preempt0-21swapper/221:48:382
71380rcu_preempt0-21swapper/219:38:152
71380rcu_preempt0-21swapper/219:38:152
71380rcu_preempt0-21swapper/122:46:581
71380rcu_preempt0-21swapper/122:46:581
71380rcu_preempt0-21swapper/119:38:151
71380rcu_preempt0-21swapper/119:38:151
71380rcu_preempt0-21swapper/023:48:000
71380rcu_preempt0-21swapper/023:48:000
71380rcu_preempt0-21swapper/023:48:000
71380rcu_preempt0-21swapper/023:19:390
71380rcu_preempt0-21swapper/023:19:390
71380rcu_preempt0-21swapper/000:28:590
71380rcu_preempt0-21swapper/000:28:590
71380rcu_preempt0-21swapper/000:28:590
71380rcu_preempt0-21swapper/000:03:020
71380rcu_preempt0-21swapper/000:03:020
46050380irq/122-QManpo1336-2110:48:550
46050380irq/122-QManpo1336-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
2125699382cyclictest32079-21ssh22:28:423
2125699382cyclictest32079-21ssh22:28:423
2125699382cyclictest32079-21ssh22:28:423
2125699382cyclictest14943-21ssh23:57:563
2125699382cyclictest14943-21ssh23:57:563
21256993816cyclictest0-21swapper/321:52:433
21256993816cyclictest0-21swapper/321:52:433
21256993816cyclictest0-21swapper/321:52:433
21256993816cyclictest0-21swapper/321:41:523
21256993816cyclictest0-21swapper/321:41:523
21256993813cyclictest26104-21memory23:18:123
21256993813cyclictest26104-21memory23:18:123
21256993810cyclictest8265-21sendmail-msp20:25:253
21256993810cyclictest8265-21sendmail-msp20:25:253
21256993810cyclictest8265-21sendmail-msp20:25:253
1599380migration/015871-21ntp_states20:48:130
1599380migration/015871-21ntp_states20:48:130
71370rcu_preempt4596-21cut00:38:090
71370rcu_preempt4596-21cut00:38:090
71370rcu_preempt29881-21sh00:24:061
71370rcu_preempt29881-21sh00:24:061
71370rcu_preempt29881-21sh00:24:061
71370rcu_preempt0-21swapper/123:04:311
71370rcu_preempt0-21swapper/123:04:311
71370rcu_preempt0-21swapper/121:25:351
71370rcu_preempt0-21swapper/121:25:351
71370rcu_preempt0-21swapper/100:12:531
71370rcu_preempt0-21swapper/100:12:531
71370rcu_preempt0-21swapper/100:12:531
71370rcu_preempt0-21swapper/023:47:450
71370rcu_preempt0-21swapper/023:47:450
71370rcu_preempt0-21swapper/023:24:090
71370rcu_preempt0-21swapper/023:11:440
71370rcu_preempt0-21swapper/023:11:440
71370rcu_preempt0-21swapper/021:58:210
71370rcu_preempt0-21swapper/021:58:210
71370rcu_preempt0-21swapper/021:58:210
71370rcu_preempt0-21swapper/021:12:590
71370rcu_preempt0-21swapper/021:12:590
46050370irq/122-QManpo31000-2110:48:550
46050370irq/122-QManpo31000-2110:48:550
46050370irq/122-QManpo31000-2110:48:550
46050370irq/122-QManpo28346-2110:48:550
46050370irq/122-QManpo28346-2110:48:550
46050370irq/122-QManpo28346-2110:48:550
46050370irq/122-QManpo2707-2110:48:550
46050370irq/122-QManpo2707-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
2125699373cyclictest0-21swapper/320:22:513
2125699373cyclictest0-21swapper/320:22:513
2125699373cyclictest0-21swapper/320:02:523
2125699373cyclictest0-21swapper/320:02:523
2125699372cyclictest29749-21ssh22:24:383
2125699372cyclictest29749-21ssh22:24:383
2125699372cyclictest23939-21chrt19:22:503
2125699372cyclictest23939-21chrt19:22:503
2125699372cyclictest19393-21munin-run21:02:503
2125699372cyclictest19393-21munin-run21:02:503
2125699372cyclictest19393-21munin-run21:02:503
21256993713cyclictest23906-21sendmail-msp19:23:073
21256993713cyclictest23906-21sendmail-msp19:23:073
21256993712cyclictest0-21swapper/320:03:173
21256993712cyclictest0-21swapper/320:03:173
21256993710cyclictest12441-21munin-run20:37:503
21256993710cyclictest12441-21munin-run20:37:503
71360rcu_preempt28805-21rm22:23:122
71360rcu_preempt28805-21rm22:23:122
71360rcu_preempt27608-21sh23:20:571
71360rcu_preempt27608-21sh23:20:571
71360rcu_preempt22179-21diskmemload22:50:162
71360rcu_preempt22179-21diskmemload22:50:162
71360rcu_preempt22179-21diskmemload22:50:162
71360rcu_preempt20913-21/usr/sbin/munin21:08:051
71360rcu_preempt20913-21/usr/sbin/munin21:08:051
71360rcu_preempt20221-21latency_hist23:07:530
71360rcu_preempt20221-21latency_hist23:07:530
71360rcu_preempt18437-21ntp_states00:03:201
71360rcu_preempt18437-21ntp_states00:03:201
71360rcu_preempt18330-21sh22:04:231
71360rcu_preempt18330-21sh22:04:231
71360rcu_preempt1773-21rs:main1
71360rcu_preempt1773-21rs:main1
71360rcu_preempt16860-21run-parts22:02:501
71360rcu_preempt16860-21run-parts22:02:501
71360rcu_preempt16860-21run-parts22:02:501
71360rcu_preempt0-21swapper/223:52:482
71360rcu_preempt0-21swapper/223:52:482
71360rcu_preempt0-21swapper/223:52:482
71360rcu_preempt0-21swapper/223:44:032
71360rcu_preempt0-21swapper/223:44:032
71360rcu_preempt0-21swapper/221:44:442
71360rcu_preempt0-21swapper/221:44:442
71360rcu_preempt0-21swapper/221:44:442
71360rcu_preempt0-21swapper/221:25:152
71360rcu_preempt0-21swapper/221:25:152
71360rcu_preempt0-21swapper/221:19:562
71360rcu_preempt0-21swapper/221:19:562
71360rcu_preempt0-21swapper/200:38:402
71360rcu_preempt0-21swapper/200:38:402
71360rcu_preempt0-21swapper/200:37:062
71360rcu_preempt0-21swapper/200:37:062
71360rcu_preempt0-21swapper/200:04:572
71360rcu_preempt0-21swapper/200:04:572
71360rcu_preempt0-21swapper/122:55:081
71360rcu_preempt0-21swapper/122:55:081
71360rcu_preempt0-21swapper/122:55:081
71360rcu_preempt0-21swapper/121:04:511
71360rcu_preempt0-21swapper/121:04:511
71360rcu_preempt0-21swapper/121:04:511
71360rcu_preempt0-21swapper/120:49:321
71360rcu_preempt0-21swapper/120:49:321
71360rcu_preempt0-21swapper/100:21:421
71360rcu_preempt0-21swapper/100:21:421
71360rcu_preempt0-21swapper/100:21:421
71360rcu_preempt0-21swapper/023:38:460
71360rcu_preempt0-21swapper/023:38:460
71360rcu_preempt0-21swapper/023:30:220
71360rcu_preempt0-21swapper/023:30:220
71360rcu_preempt0-21swapper/023:30:220
71360rcu_preempt0-21swapper/023:15:100
71360rcu_preempt0-21swapper/023:15:100
71360rcu_preempt0-21swapper/000:25:460
71360rcu_preempt0-21swapper/000:25:460
71360rcu_preempt0-21swapper/000:25:460
46050360irq/122-QManpo30134-2110:48:550
46050360irq/122-QManpo30134-2110:48:550
46050360irq/122-QManpo19390-2110:48:550
46050360irq/122-QManpo19390-2110:48:550
46050360irq/122-QManpo13839-2110:48:550
46050360irq/122-QManpo13839-2110:48:550
2125699363cyclictest0-21swapper/320:48:113
2125699363cyclictest0-21swapper/320:48:113
2125699361cyclictest0-21swapper/320:17:493
2125699361cyclictest0-21swapper/320:17:493
2125699361cyclictest0-21swapper/320:17:493
2125699361cyclictest0-21swapper/319:53:043
2125699361cyclictest0-21swapper/319:53:043
71350rcu_preempt9268-21sh23:47:201
71350rcu_preempt9268-21sh23:47:201
71350rcu_preempt583-21sh22:31:311
71350rcu_preempt583-21sh22:31:311
71350rcu_preempt583-21sh22:31:311
71350rcu_preempt28069-21apt-get19:38:130
71350rcu_preempt28069-21apt-get19:38:130
71350rcu_preempt0-21swapper/223:29:342
71350rcu_preempt0-21swapper/223:29:342
71350rcu_preempt0-21swapper/223:29:342
71350rcu_preempt0-21swapper/222:53:022
71350rcu_preempt0-21swapper/222:53:022
71350rcu_preempt0-21swapper/222:53:022
71350rcu_preempt0-21swapper/222:44:482
71350rcu_preempt0-21swapper/222:44:482
71350rcu_preempt0-21swapper/200:28:482
71350rcu_preempt0-21swapper/200:28:482
71350rcu_preempt0-21swapper/200:28:482
71350rcu_preempt0-21swapper/200:14:062
71350rcu_preempt0-21swapper/200:14:062
71350rcu_preempt0-21swapper/200:08:382
71350rcu_preempt0-21swapper/200:08:382
71350rcu_preempt0-21swapper/200:08:382
71350rcu_preempt0-21swapper/123:57:041
71350rcu_preempt0-21swapper/123:57:041
71350rcu_preempt0-21swapper/123:49:111
71350rcu_preempt0-21swapper/123:49:111
71350rcu_preempt0-21swapper/123:49:111
71350rcu_preempt0-21swapper/123:25:521
71350rcu_preempt0-21swapper/123:25:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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