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2023-09-25 - 11:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot5.osadl.org (updated Mon Sep 25, 2023 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1884499356178,0cyclictest233441chrt00:21:500
1884499346206,0cyclictest1155-21jbd2/sda1-819:56:270
1884499346198,0cyclictest20975-21mailstats21:46:500
1884499345179,0cyclictest20895-21basename00:11:200
1884499342175,0cyclictest24365-21mailstats22:01:500
1884499340237,0cyclictest2406-21sendmail-mta21:13:210
1884499340197,0cyclictest1155-21jbd2/sda1-823:21:310
1884499337194,0cyclictest29663-21kworker/u2:122:31:490
1884499335193,0cyclictest29663-21kworker/u2:120:26:490
1884499335182,0cyclictest26264-21munin-run19:46:200
1884499333192,0cyclictest8559-21grep20:51:440
1884499332183,0cyclictest18828-21munin-run19:11:240
1884499331185,0cyclictest1155-21jbd2/sda1-821:51:270
1884499329184,0cyclictest1155-21jbd2/sda1-821:31:280
1884499329172,0cyclictest31110-21tr20:07:150
1884499327181,0cyclictest22489-21switchtime00:17:260
1884499327181,0cyclictest19346-21vmstat19:12:260
1884499327176,0cyclictest1155-21jbd2/sda1-822:56:270
1884499327169,0cyclictest1155-21jbd2/sda1-819:16:320
1884499326197,0cyclictest7788-21switchtime20:47:250
1884499325181,0cyclictest3129-21which22:51:490
1884499324144,0cyclictest24003-21cron19:36:260
1884499323204,0cyclictest1830-21grep20:21:440
1884499323181,0cyclictest9666-21sh23:21:200
1884499323178,0cyclictest25622-21runrttasks00:32:040
1884499322176,0cyclictest16512-21munin-node23:52:510
1884499320176,0cyclictest747-21latency_hist22:41:280
1884499320174,0cyclictest1155-21jbd2/sda1-821:56:420
1884499319179,0cyclictest27720-21chrt22:16:500
1884499318196,0cyclictest19646-21cron21:41:300
1884499318176,0cyclictest1155-21jbd2/sda1-819:26:260
1884499318149,0cyclictest30742-21cron20:06:190
1884499317197,0cyclictest1155-21jbd2/sda1-823:41:300
1884499316195,0cyclictest1155-21jbd2/sda1-823:26:270
1884499316195,0cyclictest1155-21jbd2/sda1-820:56:280
1884499316167,0cyclictest1155-21jbd2/sda1-819:21:290
1884499315175,0cyclictest29663-21kworker/u2:123:56:500
1884499309175,0cyclictest6165-21sendmail20:41:240
1884499309174,0cyclictest30879-21munin-run22:31:200
1884499308181,0cyclictest11911-21cron23:31:270
1884499308178,0cyclictest21685-21missed_timers00:13:020
1884499307190,0cyclictest27506-21latency_hist22:16:200
1884499307190,0cyclictest2446-21cron23:37:190
1884499307179,0cyclictest14171-21mailstats21:16:400
1884499306184,0cyclictest19520-21aten_r3power_po00:02:580
1884499306180,0cyclictest5398-21munin-node23:01:470
1884499305191,0cyclictest1646-21munin-run20:21:210
1884499305183,0cyclictest26383-21cron22:11:190
1884499305179,0cyclictest650-21munin-run22:41:230
1884499305178,0cyclictest12904-21apt21:11:200
1884499305154,0cyclictest18671-21mailstats21:36:420
1884499304179,0cyclictest2606-21runrttasks21:26:220
1884499304165,0cyclictest7422-21cron23:11:200
1884499304155,0cyclictest1155-21jbd2/sda1-822:21:340
1884499304139,0cyclictest15645-21wget23:47:150
1884499303186,0cyclictest1155-21jbd2/sda1-820:41:310
1884499303144,0cyclictest4135-21mailstats20:31:500
1884499302175,0cyclictest26685-21awk00:36:520
1884499302171,0cyclictest7752-21ntp_offset23:12:100
1884499301178,0cyclictest1155-21jbd2/sda1-821:01:300
1884499300169,0cyclictest24509-21sed00:27:070
1884499299170,0cyclictest23298-21awk19:32:210
1884499299154,0cyclictest2935-21cron22:51:190
1884499297172,0cyclictest510-21cron20:16:190
1884499297164,0cyclictest17403-21cron21:31:180
1884499293165,0cyclictest27373-21cron19:51:260
1884499289158,0cyclictest26360-21latency_hist19:46:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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