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2025-09-18 - 18:23
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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 Thu Sep 18, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3421268518sleep3417-21grep07:03:370
441099268116cyclictest23302-21missed_timers08:29:260
441099268113cyclictest7422-21runrttasks12:02:420
44109926771cyclictest11150-21munin-node0
441099261233cyclictest29407-21grep08:55:260
441099260129cyclictest23414-21runrttasks10:51:220
441099260105cyclictest13583-21munin-run07:48:220
441099259109cyclictest12109-21sh12:23:170
441099256126cyclictest15471-21netwatch12:37:500
441099251112cyclictest32229-21irqstats11:29:460
441099251104cyclictest9687-21ps07:30:040
44109925083cyclictest24221-21irqstats10:54:580
44109925071cyclictest30336-21ps09:00:100
441099250108cyclictest5854-21irqstats09:34:460
44109924998cyclictest17308-21munin-node0
441099249111cyclictest15068-21idleruntime07:54:030
441099248121cyclictest8669-21sh12:08:160
441099248111cyclictest7380-21rm09:41:220
441099248110cyclictest13763-21ssh12:29:550
44109924785cyclictest8678-21sh09:47:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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