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2025-12-08 - 05:56
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Mon Dec 08, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80459925467,0cyclictest16467-21nfs_client22:15:490
80459925465,0cyclictest3355-21runrttasks19:52:000
80459925254,0cyclictest0-21swapper19:17:370
80459925167,0cyclictest30412-21nfs_client23:00:500
80459925062,0cyclictest3121-21sshd23:29:150
80459924869,0cyclictest18658-21df19:09:500
80459924865,0cyclictest29493-21df_abs19:40:200
80459924673,0cyclictest3355-21runrttasks22:00:590
80459924648,0cyclictest27454-21apache00:08:070
80459924568,0cyclictest9805-21df21:54:480
80459924566,0cyclictest343-21telnet23:09:590
80459924466,0cyclictest20634-21fschecks_time20:46:370
80459924466,0cyclictest15609-21runrttasks20:32:100
80459924457,0cyclictest0-21swapper23:17:220
80459924375,0cyclictest14479-21runrttasks22:10:240
80459924374,0cyclictest3204-21sendmail-mta18:55:190
80459924366,0cyclictest4995-21df21:39:480
80459924363,0cyclictest3355-21runrttasks20:52:170
80459924264,0cyclictest26195-21telnet19:30:420
80459924165,0cyclictest3519-21df_inode21:35:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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