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2026-06-20 - 13:51
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Sat Jun 20, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14175261919sleep14174-21sort19:08:520
1424999257228cyclictest21880-21fschecks_count00:24:490
1424999255228cyclictest14526-21ssh21:30:150
1424999252196cyclictest29251-21fschecks_time22:34:530
1424999251220cyclictest9791-21tune2fs21:09:590
1424999250185cyclictest17322-21netwatch21:42:290
1424999249224cyclictest2401-21entropy22:59:430
1424999249218cyclictest20526-21sh21:56:040
1424999247222cyclictest22468-21fschecks_time22:04:560
1424999247219cyclictest4793-21ssh23:09:410
1424999247145cyclictest16575-21sed21:39:310
1424999246221cyclictest23914-21awk22:10:550
1424999246218cyclictest31170-21grep20:20:540
1424999245221cyclictest26141-21tr22:20:510
1424999245214cyclictest27907-21df_inode22:29:210
1424999244217cyclictest2546-21Xorg23:33:400
1424999244211cyclictest18652-21munin-run21:49:030
1424999243219cyclictest29891-21apt-get20:16:170
1424999243218cyclictest30470-21if_err_eth022:40:080
1424999243218cyclictest13996-21ssh23:49:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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