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2024-04-26 - 01:18
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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 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Apr 25, 2024 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191689940975,0cyclictest28347-21pluginstate07:50:300
191689940828,0cyclictest1146-21jbd2/sda1-810:24:280
191689937642,0cyclictest21393-21apt-get12:09:480
191689936758,0cyclictest21210-1kworker/0:1H07:34:460
676502860,0irq/11-sym53c8x18363-21aten_r3power_vo07:04:490
191689924385,0cyclictest30578-1kworker/0:0H10:36:560
16992320,0watchdog/018937-21munin-node09:35:040
16992260,0watchdog/03934-21ls10:50:360
16992240,0watchdog/02412-21sendmail-mta09:10:240
16992200,0watchdog/02435-21ntpd10:45:040
16992190,0watchdog/07658-21runrttasks11:08:320
16992180,0watchdog/03679-21runrttasks08:25:240
16992180,0watchdog/018348-21nfs_client11:55:240
16992180,0watchdog/015200-21sendmail_mailqu11:40:440
191689921779,0cyclictest0-21swapper12:26:250
16992170,0watchdog/06125-21sshd08:35:440
16992170,0watchdog/022414-21load07:25:050
16992170,0watchdog/016233-21chrt09:20:440
191689921626,0cyclictest108851sleep11:21:100
16992160,0watchdog/029306-21memory07:55:160
16992150,0watchdog/012526-21df_inode09:05:120
16992140,0watchdog/031273-21munin-node10:29:360
16992140,0watchdog/02612-21runrttasks08:15:320
191689921352,0cyclictest24956-21nfs_client10:00:230
16992130,0watchdog/04821-21chrt10:55:160
16992130,0watchdog/029207-21df10:20:000
16992120,0watchdog/09389-21nfs_client11:15:280
16992120,0watchdog/019561-21sshd07:10:130
16992120,0watchdog/011480-21vmstat09:00:200
16992120,0watchdog/011183-21munin-node11:25:080
16992110,0watchdog/09425-21timerandwakeup08:50:400
16992110,0watchdog/08274-21munin-node08:45:320
16992110,0watchdog/028079-21sed10:15:000
16992110,0watchdog/026675-21latency_hist10:09:240
16992100,0watchdog/05664-21mailstats10:59:400
16992100,0watchdog/026058-21nfs_client07:40:280
16992100,0watchdog/022919-21needreboot12:15:320
16992100,0watchdog/019418-21switchtime12:00:200
16992100,0watchdog/016133-21grep11:45:280
16992100,0watchdog/013527-21ls11:34:440
16992100,0watchdog/00-21swapper08:41:160
16992090,0watchdog/08504-21if_err_eth111:10:440
16992090,0watchdog/05236-21runrttasks08:32:240
16992090,0watchdog/030048-21munin-node08:00:480
16992090,0watchdog/027370-21munin-node07:45:440
16992090,0watchdog/026335-21missed_timers10:05:440
16992090,0watchdog/023827-21nfs_client09:55:240
16992090,0watchdog/020959-21runrttasks09:42:200
16992090,0watchdog/012872-21awk11:30:360
16992090,0watchdog/010613-21missed_timers08:55:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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