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2025-06-13 - 18:49
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Jun 13, 2025 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150660,0ktimers/0246361sleep07:07:120
1514840,0ktimers/037811sleep10:37:460
1514660,0ktimers/085401sleep11:01:030
1514600,0ktimers/0177151sleep11:41:570
248499945136,0cyclictest16380-21awk11:36:280
1514500,0ktimers/0249051sleep12:16:210
1514450,0ktimers/0198061sleep09:21:430
1514420,0ktimers/0235631sleep09:39:150
1514360,0ktimers/044911sleep08:11:210
248499943535,0cyclictest31387-21ls10:16:240
248499943056,0cyclictest0-21swapper07:45:250
248499942697,0cyclictest0-21swapper08:55:350
1514260,0ktimers/0282201sleep10:00:520
248499942435,0cyclictest8274-21cron11:00:240
1514220,0ktimers/0124251sleep08:46:580
248499942198,0cyclictest1078-21cron07:55:170
1514210,0ktimers/0221071sleep12:02:000
248499941835,0cyclictest17615-21awk09:11:430
248499941732,0cyclictest30651-21basename10:11:590
248499941555,0cyclictest9483-21munin-node11:06:280
1514150,0ktimers/045451sleep10:41:420
248499941433,0cyclictest4066-21latency_hist08:10:170
1514110,0ktimers/0256691sleep07:12:040
248499941033,0cyclictest24730-21munin-run09:45:180
248499940889,0cyclictest23947-21switchtime12:11:320
248499940735,0cyclictest895-21jbd2/sda1-809:10:190
248499940728,0cyclictest29439-21basename12:37:010
248499940333,0cyclictest10693-21apt-get11:10:520
248499940233,0cyclictest7202-21munin-run10:55:200
1514020,0ktimers/0106311sleep08:40:280
248499940136,0cyclictest27691-21cron07:25:170
248499940135,0cyclictest15287-21wget09:01:150
248499940034,0cyclictest29862-21munin-run07:35:210
2484999399119,0cyclictest0-21swapper11:55:140
248499939835,0cyclictest6047-21cron08:17:160
248499939754,0cyclictest3567-21cron09:50:160
248499939591,0cyclictest19320-21sort09:20:250
248499939532,0cyclictest27127-21expr12:26:160
2484999395144,0cyclictest28328-21missed_timers12:32:020
2484999395114,0cyclictest0-21swapper11:21:060
248499939429,0cyclictest20825-21chrt11:56:390
248499939234,0cyclictest3567-21cron11:35:160
248499939129,0cyclictest895-21jbd2/sda1-807:25:280
248499939129,0cyclictest10821-21sh08:40:500
248499939126,0cyclictest25992-21load12:21:120
248499939074,0cyclictest0-21swapper10:25:280
2484999390137,0cyclictest0-21swapper07:50:160
248499938866,0cyclictest22281-21aten_r3power_en09:32:070
248499938839,0cyclictest0-21swapper08:26:180
248499938831,0cyclictest20754-21awk09:26:170
248499938756,0cyclictest3732-21runrttasks10:23:560
248499938737,0cyclictest29955-21munin-node07:36:480
248499938735,0cyclictest2192-21sendmail-msp08:00:220
248499938732,0cyclictest26129-21grep09:51:150
248499938637,0cyclictest26604-21munin-run07:20:220
248499938633,0cyclictest14385-21sshd11:26:480
248499938235,0cyclictest2241-21munin-node08:01:250
248499938233,0cyclictest28768-21latency_hist10:05:250
248499938228,0cyclictest2570-21aten_r3power_po10:32:040
2484999382101,0cyclictest6110-21cron10:50:160
248499938033,0cyclictest18740-21sshd11:46:490
2484999380110,0cyclictest23493-21cron12:10:170
248499937734,0cyclictest8651-21apt-get08:30:530
248499937732,0cyclictest13421-21awk08:51:490
248499937651,0cyclictest27972-21cron10:00:170
248499936633,0cyclictest7160-21sshd08:22:240
248499936339,0cyclictest12637-21munin-run11:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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