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2025-12-16 - 14:04
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot6.osadl.org (updated Tue Dec 16, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
328924430,5sleep20-21swapper/219:07:142
425021470,5sleep3432399cyclictest21:22:223
1068911000,4ptp4l401ktimersoftd/319:09:023
4303996148,6cyclictest9-21ksoftirqd/019:47:050
4303995948,5cyclictest9-21ksoftirqd/020:07:060
4303995745,6cyclictest9-21ksoftirqd/021:27:090
4303995745,6cyclictest9-21ksoftirqd/021:27:090
4303995744,6cyclictest9-21ksoftirqd/021:02:090
204052560,2sleep20-21swapper/219:42:132
4303995544,5cyclictest9-21ksoftirqd/019:27:060
4303995543,6cyclictest9-21ksoftirqd/022:02:090
4303995543,6cyclictest9-21ksoftirqd/020:02:060
106891550,1ptp4l401ktimersoftd/322:29:473
4303995443,5cyclictest9-21ksoftirqd/020:57:070
106891530,1ptp4l401ktimersoftd/320:46:333
4303995239,6cyclictest9-21ksoftirqd/021:47:090
4303995140,4cyclictest9-21ksoftirqd/020:12:070
431899500,3cyclictest0-21swapper/220:15:492
4303995040,5cyclictest9-21ksoftirqd/022:42:100
106891500,1ptp4l401ktimersoftd/320:53:443
4303994835,5cyclictest9-21ksoftirqd/020:17:060
431899477,23cyclictest25731-21sed22:07:262
4303994738,4cyclictest9-21ksoftirqd/000:27:130
431899460,4cyclictest28457-21runrttasks22:14:202
4303994534,6cyclictest9-21ksoftirqd/022:12:110
4303994525,10cyclictest9-21ksoftirqd/023:02:270
106891450,1ptp4l401ktimersoftd/321:49:123
4303994432,5cyclictest9-21ksoftirqd/021:22:110
4303994335,4cyclictest9-21ksoftirqd/020:42:070
391324321,11sleep09-21ksoftirqd/019:08:130
106891410,1ptp4l401ktimersoftd/323:39:053
106891400,0ptp4l401ktimersoftd/320:37:213
4303993930,4cyclictest9-21ksoftirqd/020:52:070
106891390,1ptp4l401ktimersoftd/322:57:263
106891390,1ptp4l401ktimersoftd/319:16:523
431899382,29cyclictest4561-21apt-get19:12:062
431899382,28cyclictest4687-21apt-get23:42:122
106891380,1ptp4l401ktimersoftd/323:52:253
106891380,1ptp4l401ktimersoftd/300:12:003
431899372,26cyclictest24403-21apt-get19:52:082
4318993717,16cyclictest29565-21sed00:32:192
431899370,4cyclictest12027-21/usr/sbin/munin23:57:142
430399375,3cyclictest121rcu_preempt20:32:180
4303993723,5cyclictest9-21ksoftirqd/021:42:160
106891370,1ptp4l401ktimersoftd/320:06:523
106891370,1ptp4l401ktimersoftd/300:22:153
106891370,1ptp4l401ktimersoftd/300:02:053
431899362,27cyclictest18289-21apt-get20:47:072
431899362,25cyclictest17126-21apt-get21:52:092
431899361,31cyclictest3855-21grep23:37:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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