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2025-07-10 - 12:51
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot2.osadl.org (updated Thu Jul 10, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51507522660,3sleep0515077-21awk00:16:540
44142122620,48sleep0441423-21wc20:35:080
48404622450,3chrt484043-21ntpq22:45:500
44582122450,4chrt445820-21/usr/sbin/munin20:50:250
51832722440,3chrt518323-21sshd00:26:260
51091622410,3chrt510918-21latency_hist00:05:110
46877022400,3chrt468772-21ntpq22:01:090
41926722400,3chrt419265-21df_inode19:15:180
49074322350,3chrt490745-21latency23:05:370
47348722350,3chrt473480-21df_inode22:15:200
46372422290,2chrt463721-21ntpq21:46:210
47914922050,2sleep0479150-21sh22:31:410
46025322030,2sleep0460255-21ntpq21:36:140
41766199202137,54cyclictest466448-21true21:55:040
42946222000,3sleep0429463-21/usr/sbin/munin19:51:140
51141721990,2sleep0511418-21ld00:06:080
46313121990,2sleep0463132-21latency_hist21:45:110
41766199187125,50cyclictest84-21jbd2/mmcblk0p2-20:45:060
41766199183149,23cyclictest514215-21true00:15:040
41766199183118,53cyclictest488655-21true23:00:050
42250321700,4chrt422504-21awk19:26:160
41766199165134,20cyclictest84-21jbd2/mmcblk0p2-21:15:050
41766199165134,20cyclictest84-21jbd2/mmcblk0p2-19:40:060
52176521630,4chrt521766-21rm00:36:390
52046121630,3chrt22-21kcompactd000:32:130
45648721630,3chrt456488-21cat21:25:280
41766199163133,20cyclictest84-21jbd2/mmcblk0p2-22:45:050
50484321620,4chrt504842-21awk23:46:560
41766199162102,50cyclictest29-21kswapd023:35:280
49595921580,3chrt495961-21netstat23:20:430
4176619915592,51cyclictest459526-21anacron21:34:390
4176619915391,51cyclictest84-21jbd2/mmcblk0p2-22:30:050
41766199148117,20cyclictest84-21jbd2/mmcblk0p2-23:55:050
41766199146112,23cyclictest473258-21true22:15:030
42466621430,2sleep0424669-21wc19:35:060
4176619914275,56cyclictest84-21jbd2/mmcblk0p2-22:51:220
41766199140109,20cyclictest500450-21kworker/u2:323:55:300
41766199138107,20cyclictest474726-21kworker/u2:122:24:430
41766199138106,22cyclictest112-21systemd-journal20:49:590
41766199136105,20cyclictest84-21jbd2/mmcblk0p2-23:05:110
4176619913563,20cyclictest29-21kswapd023:15:320
41766199135102,22cyclictest112-21systemd-journal19:15:000
41766199133103,20cyclictest29-21kswapd023:31:340
4176619912998,20cyclictest84-21jbd2/mmcblk0p2-19:56:040
41766199129101,19cyclictest426031-21kworker/u2:220:00:320
4176619912797,20cyclictest29-21kswapd022:36:330
4176619912692,23cyclictest517632-21true00:25:050
4176619912592,21cyclictest84-21jbd2/mmcblk0p2-19:45:070
4176619912287,25cyclictest467949-21kworker/u2:221:59:110
50410621210,2sleep0504108-21sed23:45:100
4176619912090,19cyclictest437780-21kworker/u2:120:21:230
4176619911184,18cyclictest446889-21kworker/u2:321:06:210
4176619910982,18cyclictest433495-21kworker/u2:320:09:420
45537721080,2sleep0455378-21/usr/sbin/munin21:21:550
4176619910778,19cyclictest426031-21kworker/u2:220:20:040
4176619910675,20cyclictest446889-21kworker/u2:321:15:280
44734321040,2sleep0447344-21ntp_kernel_err20:55:340
4176619910171,19cyclictest496813-21kworker/u2:123:29:360
4176619910070,19cyclictest29-21kswapd023:11:340
4176619910069,20cyclictest84-21jbd2/mmcblk0p2-21:01:180
417661999869,20cyclictest417177-21kworker/u2:119:21:190
417661999265,18cyclictest426031-21kworker/u2:219:49:240
417661999164,18cyclictest435753-21kworker/u2:020:35:300
417661998756,20cyclictest84-21jbd2/mmcblk0p2-22:05:500
417661998355,19cyclictest433495-21kworker/u2:320:10:080
41737628322,20sleep00-21swapper19:07:480
417661997342,20cyclictest84-21jbd2/mmcblk0p2-20:26:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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