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2026-05-10 - 12:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun May 10, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9414225380,11sleep05620-1kworker/u3:019:02:520
98539910516,22cyclictest17248-21df_inode21:57:230
98539910320,42cyclictest12285-21memory21:42:560
98539910319,45cyclictest10787-21memory23:12:560
98539910313,26cyclictest32643-21ssh21:07:530
98539910232,24cyclictest29987-21cat20:52:350
98539910216,45cyclictest6044-21users22:58:230
98539910216,22cyclictest8783-21df23:07:120
98539910214,25cyclictest1741-21munin-run00:21:340
98539910114,50cyclictest1639-21ssh22:46:450
98539910016,63cyclictest24929-21users23:53:210
98539910013,66cyclictest18963-21df_inode22:02:230
98539910012,27cyclictest23674-21ssh22:16:350
98539910010,28cyclictest18615-21ssh23:36:040
985399999,23cyclictest29745-21ssh00:07:580
9853999916,63cyclictest24137-21df_inode22:17:290
9853999916,22cyclictest29374-21irqstats22:32:390
9853999915,63cyclictest5798-21users21:23:230
9853999915,47cyclictest30660-21ssh22:36:430
9853999915,44cyclictest4968-21munin-run22:56:320
9853999913,27cyclictest1422-21ssh21:12:030
9853999910,69cyclictest25747-21ssh23:56:510
9853999827,55cyclictest27214-21apt-get22:26:550
9853999817,22cyclictest5283-21ssh00:31:410
9853999816,60cyclictest10558-21memory21:37:510
9853999815,62cyclictest15701-21memory21:52:500
9853999815,45cyclictest3478-21df_inode21:17:230
9853999814,63cyclictest8279-21munin-node21:31:410
9853999811,65cyclictest13298-21ssh23:20:100
9853999719,58cyclictest27978-21memory00:02:550
9853999716,44cyclictest20872-21memory22:07:540
9853999716,19cyclictest2808-21users00:23:200
9853999715,45cyclictest7761-21users23:03:220
9853999714,42cyclictest16270-21memory19:37:230
9853999713,23cyclictest14303-21ssh23:23:010
9853999711,66cyclictest25442-21grep20:27:330
9853999628,50cyclictest0-21swapper23:48:480
9853999623,55cyclictest0-21swapper23:38:370
9853999614,61cyclictest32651-21df22:42:150
9853999613,63cyclictest17231-21ntp_offset19:42:270
9853999613,62cyclictest3838-21df00:27:130
9853999612,63cyclictest15803-21ssh23:27:370
9853999611,64cyclictest13442-21/usr/sbin/munin21:48:090
9853999610,65cyclictest32507-21date00:16:370
985399959,66cyclictest31959-21cron21:06:320
9853999511,23cyclictest25868-21forks22:22:290
985399949,23cyclictest27987-21grep20:42:240
9853999413,60cyclictest7192-21ntp_states21:28:040
9853999411,62cyclictest20918-21df_inode23:42:250
9853999310,64cyclictest18204-21processes19:47:330
9853999212,59cyclictest14342-21fw_conntrack19:27:130
9853999130,44cyclictest0-21swapper20:11:330
9853999111,21cyclictest11198-21df_inode19:11:580
9853999110,24cyclictest30531-21grep20:57:050
9853999013,28cyclictest22150-21/usr/sbin/munin20:11:560
985399899,62cyclictest14947-21/usr/sbin/munin19:31:530
9853998917,24cyclictest23282-21df20:17:000
9853998916,25cyclictest26167-21memory20:32:240
9853998914,25cyclictest19463-21/usr/sbin/munin19:57:390
9853998913,29cyclictest10240-21/usr/sbin/munin19:07:110
9853998912,25cyclictest13874-21/usr/sbin/munin19:22:400
9853998818,23cyclictest26946-21df_inode20:37:080
9853998817,23cyclictest18960-21memory19:52:220
9853998816,40cyclictest0-21swapper19:17:000
9853998815,34cyclictest21032-21sort20:02:350
9853998712,26cyclictest24443-21ntpq20:22:270
9853998613,24cyclictest28753-21fw_conntrack20:47:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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