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2026-06-17 - 22:22
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Wed Jun 17, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24923224112175,183sleep00-21swapper07:00:480
254039910417,24cyclictest4796-21irqstats10:10:510
254039910411,26cyclictest7009-21/usr/sbin/munin11:51:220
254039910334,51cyclictest0-21swapper12:29:130
254039910313,51cyclictest26959-21ssh11:15:250
254039910224,62cyclictest0-21swapper12:16:390
254039910217,63cyclictest26766-21df09:40:280
254039910215,24cyclictest17760-21munin-run09:14:430
254039910214,27cyclictest15705-21ssh10:41:570
254039910118,62cyclictest28403-21apt-get11:20:020
254039910116,23cyclictest24175-21users11:06:310
254039910114,46cyclictest8429-21irqstats11:55:530
254039910113,66cyclictest28460-21proc_pri07:20:420
254039910018,60cyclictest14884-21irqstats09:05:570
254039910017,63cyclictest21588-21df09:25:260
254039910017,23cyclictest11660-21df12:05:220
254039910016,45cyclictest22137-21ssh11:01:110
254039910015,64cyclictest25022-21df09:35:230
254039910014,25cyclictest13411-21irqstats10:35:560
2540399999,69cyclictest9041-21ssh10:22:580
25403999920,57cyclictest30908-21df_inode07:35:160
25403999917,61cyclictest23425-21fw_conntrack09:30:450
25403999917,59cyclictest13645-21memory12:11:070
25403999916,25cyclictest28574-21fw_conntrack09:45:430
25403999916,22cyclictest30369-21irqstats09:50:540
25403999915,44cyclictest19575-21ssh10:54:130
25403999914,70cyclictest0-21swapper11:34:110
25403999912,47cyclictest25299-21/usr/sbin/munin11:10:350
25403999817,59cyclictest16818-21df12:20:240
25403999816,46cyclictest19960-21df_inode09:20:360
25403999813,65cyclictest3276-21irqstats11:40:530
25403999812,66cyclictest1510-21ssh10:01:090
25403999812,65cyclictest20752-21uptime10:56:290
25403999810,48cyclictest3641-21wget08:05:060
25403999718,58cyclictest20922-21users12:31:350
25403999716,60cyclictest4941-21/usr/sbin/munin11:45:490
25403999714,51cyclictest0-21swapper10:29:310
25403999712,24cyclictest10338-21ssh12:01:160
25403999711,65cyclictest17926-21ssh09:15:060
25403999711,50cyclictest2641-21ssh10:04:560
25403999711,49cyclictest17834-21ssh10:49:040
25403999711,45cyclictest6613-21load10:15:590
25403999612,63cyclictest11777-21tr08:50:040
25403999612,22cyclictest32686-21ssh09:56:560
25403999611,27cyclictest11698-21ssh10:30:590
25403999415,58cyclictest1554-21irqstats11:35:550
25403999411,45cyclictest30376-21df11:25:240
25403999331,44cyclictest0-21swapper07:55:010
25403999315,19cyclictest0-21swapper07:45:030
25403999213,30cyclictest26598-21wc07:09:580
25403999127,55cyclictest0-21swapper07:41:390
25403999117,24cyclictest9295-21fw_conntrack08:35:430
25403999112,60cyclictest858-21apt-get07:49:580
2540399909,61cyclictest25676-21wc07:05:090
25403999035,39cyclictest6197-21modprobe08:19:420
25403999015,27cyclictest11130-21irqstats08:45:280
25403998934,39cyclictest0-21swapper08:59:420
25403998913,31cyclictest7304-21wget08:25:070
25403998818,26cyclictest13905-21memory09:00:320
25403998817,24cyclictest8092-21apt-get08:29:580
25403998817,23cyclictest6642-21irqstats08:20:280
25403998816,23cyclictest10662-21users08:40:540
25403998815,39cyclictest0-21swapper07:30:310
25403998716,23cyclictest4889-21memory08:10:320
25403998711,60cyclictest29539-21grep07:25:490
25403998711,27cyclictest27043-21sshd07:14:580
25403998518,22cyclictest3175-21ntp_states08:00:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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