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2025-02-09 - 09:32
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Sun Feb 09, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7976224970,12sleep07596-1kworker/u3:017:50:150
91229915281,49cyclictest31297-21munin-run21:44:520
91229915279,49cyclictest7504-21/usr/sbin/munin20:26:040
91229915179,47cyclictest14799-21ssh22:37:590
91229915177,51cyclictest31475-21aten_r5power_cu21:45:190
91229915080,47cyclictest19579-21apt-get22:55:080
91229915078,50cyclictest6935-21ssh22:11:380
91229915077,49cyclictest29500-21ssh21:39:100
91229915075,52cyclictest18142-21df_abs21:00:390
91229915074,52cyclictest13178-21ssh22:33:060
91229914981,47cyclictest26972-21wc23:19:570
91229914979,49cyclictest21833-21/usr/sbin/munin23:01:220
91229914977,49cyclictest25494-21ssh21:25:130
91229914974,53cyclictest15594-21ssh20:52:320
91229914974,32cyclictest19974-21latency21:06:040
91229914873,51cyclictest12778-21ssh20:41:450
91229914873,50cyclictest10099-21sort20:34:560
91229914872,51cyclictest6177-21ssh20:20:420
91229914872,51cyclictest16814-21sendmail22:44:510
91229914778,46cyclictest9301-21apt-get22:20:120
91229914774,51cyclictest12989-21ntpq18:15:470
91229914774,50cyclictest15081-21grep18:26:070
91229914774,34cyclictest18338-21ssh22:49:080
91229914773,50cyclictest11886-21ssh22:26:350
91229914773,50cyclictest10308-21ssh20:35:220
91229914772,51cyclictest4419-21ssh20:15:310
91229914772,51cyclictest21383-21ssh21:11:200
91229914772,35cyclictest28518-21/usr/sbin/munin23:24:550
91229914771,51cyclictest24965-21ssh23:13:010
91229914674,49cyclictest23856-21ssh21:20:230
91229914673,50cyclictest10018-21munin-run17:59:550
91229914673,32cyclictest3830-21cat22:01:110
91229914672,52cyclictest31112-21ssh19:56:090
91229914672,32cyclictest29492-21snmpd21:17:510
91229914671,32cyclictest17309-21ssh20:57:510
91229914670,52cyclictest27929-21ssh21:34:360
91229914578,43cyclictest23135-21ssh23:05:380
91229914575,49cyclictest7592-21apt-get22:15:060
91229914575,45cyclictest15980-21head18:30:580
91229914574,33cyclictest21381-21sed19:01:010
91229914572,34cyclictest5564-21ssh22:06:170
91229914474,48cyclictest14430-21ssh20:46:450
91229914474,47cyclictest28429-21find19:40:540
91229914472,50cyclictest23256-21cat19:14:530
91229914472,49cyclictest694-21ssh21:50:300
91229914472,49cyclictest21744-21cat19:05:510
91229914471,49cyclictest2883-21ssh20:09:040
91229914470,51cyclictest32265-21ssh20:00:070
91229914470,34cyclictest18982-21ssh22:52:070
91229914374,46cyclictest24861-21sort19:20:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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