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2025-12-14 - 01:28
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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 Dec 13, 2025 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1304499274224cyclictest25170-21nfs4_client12:30:050
1304499257230cyclictest31018-21munin-node0
130449925469cyclictest26128-21chrt12:34:100
1304499252228cyclictest2826-21gvfsd-trash11:57:050
1304499252226cyclictest28690-21ssh10:34:280
1304499252224cyclictest31752-21ssh10:46:210
130449925180cyclictest10676-21chrt11:31:010
130449925166cyclictest29542-21ping08:24:100
130449925069cyclictest13110-21cut07:10:140
1304499250221cyclictest17558-21memory09:49:540
130449924983cyclictest2183-21latency_hist08:45:170
1304499249225cyclictest4045-21munin-run11:05:170
1304499249224cyclictest23377-21cpu10:13:360
1304499249220cyclictest2834-21snmpd08:27:390
1304499249220cyclictest1874-21netwatch10:56:440
1304499249219cyclictest7602-21munin-node0
130449924856cyclictest18016-21sshd09:51:320
1304499248225cyclictest8891-21runrttasks09:14:360
1304499248222cyclictest24941-21ssh10:19:410
1304499248217cyclictest3013-21sendmail-mta09:40:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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