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2025-09-18 - 03:12
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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 Thu Sep 18, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273059927660,0cyclictest32632-21apache18:56:130
273059925580,0cyclictest1594-21jbd2/hda3-820:34:170
273059925465,0cyclictest11500-21aten2.4-expect23:44:150
273059925366,0cyclictest3355-21runrttasks23:37:210
273059924966,0cyclictest3355-21runrttasks22:24:490
273059924878,0cyclictest1594-21jbd2/hda3-800:04:030
273059924865,0cyclictest24284-21seq20:30:240
273059924776,0cyclictest1594-21jbd2/hda3-820:14:170
273059924771,0cyclictest28853-21df18:49:290
273059924674,0cyclictest4947-21df19:19:280
273059924669,0cyclictest27376-21rt-features20:45:170
273059924279,0cyclictest3355-21runrttasks19:08:130
273059924177,0cyclictest1594-21jbd2/hda3-822:23:520
273059924167,0cyclictest5137-21runrttasks21:22:130
273059924157,0cyclictest0-21swapper00:09:100
273059924152,0cyclictest13168-21df_abs23:50:040
273059924078,0cyclictest1594-21jbd2/hda3-819:55:570
273059924073,0cyclictest3402-21sendmail-msp23:13:590
273059923881,0cyclictest1594-21jbd2/hda3-820:49:030
273059923877,0cyclictest1594-21jbd2/hda3-820:54:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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