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2026-09-16 - 23:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Wed Sep 16, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/021302-21kworker/0:006:55:260
241569816813cyclictest9279-21mailstats07:55:270
241569816213cyclictest3635-21aten2.4-expect11:05:490
241569816113cyclictest19954-21munin-node12:00:440
241569816012cyclictest28420-21cpuspeed08:55:510
241569815913cyclictest327-21sensors_fan09:10:400
241569815912cyclictest2792-21runrttasks09:51:420
241569815813cyclictest23113-21munin-node08:40:280
241569815711cyclictest8085-21aten2.4_r3power09:35:410
241569815412cyclictest32079-21latency_hist07:25:150
241569815411cyclictest17364-21nfs_client10:05:450
241569815411cyclictest1631-21aten2.4_r3power11:00:340
241569815314cyclictest30942-21df_inode07:20:390
241569815312cyclictest5288-21aten2.4_r3power07:40:490
241569815312cyclictest23169-21df12:10:330
241569815212cyclictest3104-21mailstats07:35:250
241569815113cyclictest20392-21unixbench_singl10:15:390
241569814913cyclictest9405-21cpu11:25:390
241569814913cyclictest87912sleep011:23:180
241569814913cyclictest31281-21nfs_client09:05:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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