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2026-05-17 - 20:23
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sun May 17, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11047224780,12sleep010266-1kworker/u3:207:01:380
121499910631,62cyclictest0-21swapper09:35:090
121499910532,44cyclictest0-21swapper09:38:420
121499910417,66cyclictest27011-21ssh11:56:400
121499910315,27cyclictest27379-21kernelversion10:22:260
121499910238,47cyclictest30986-21proc_pri10:32:450
121499910218,24cyclictest3283-21df10:46:550
121499910133,50cyclictest0-21swapper11:15:480
121499910129,59cyclictest0-21swapper11:39:090
121499910120,40cyclictest18335-21/usr/sbin/munin09:58:060
121499910118,62cyclictest20004-21munin-run11:36:120
121499910116,65cyclictest3544-21ssh09:12:460
121499910116,63cyclictest32674-21/usr/sbin/munin12:12:390
121499910114,23cyclictest24315-21sort10:12:540
121499910110,24cyclictest15129-21wc09:46:500
121499910018,23cyclictest23878-21sed11:47:010
121499910016,67cyclictest17076-21ssh09:52:260
121499910015,25cyclictest16779-21cut11:26:420
12149999917,22cyclictest6872-21fw_conntrack12:32:110
12149999916,45cyclictest5724-21users12:28:020
12149999915,22cyclictest28688-21apt-get12:01:320
12149999911,67cyclictest28595-21snmpd09:26:080
12149999819,42cyclictest15385-21fw_conntrack11:22:130
12149999818,23cyclictest8312-21df09:26:560
12149999817,42cyclictest27752-21ntp_states08:32:070
12149999816,63cyclictest5003-21df10:51:580
12149999814,22cyclictest13652-21irqstats09:42:240
12149999812,48cyclictest25229-21ssh10:16:370
12149999725,28cyclictest21844-21/usr/sbin/munin11:43:070
12149999717,59cyclictest25883-21ntp_states11:52:450
12149999717,44cyclictest13652-21df_inode11:17:060
12149999716,46cyclictest4628-21apt-get09:16:290
12149999713,64cyclictest30920-21memory12:07:370
12149999712,22cyclictest1714-21df_inode12:17:050
12149999710,66cyclictest6467-21ssh10:56:290
12149999618,35cyclictest4035-21users12:23:050
12149999616,19cyclictest1542-21fw_conntrack09:07:140
12149999614,63cyclictest28870-21df10:26:530
12149999614,46cyclictest20423-21fw_conntrack10:02:110
12149999612,25cyclictest26100-21wc08:22:140
12149999610,23cyclictest23119-21ssh10:10:080
12149999533,29cyclictest0-21swapper11:05:050
12149999516,64cyclictest0-21swapper10:39:320
12149999513,23cyclictest1651-21df_inode10:42:080
12149999512,63cyclictest14740-21cut07:21:330
12149999416,39cyclictest21430-21/usr/sbin/munin07:57:080
12149999411,24cyclictest11235-21ssh11:10:080
12149999410,61cyclictest16499-21grep07:31:310
12149999333,28cyclictest0-21swapper07:46:200
12149999315,52cyclictest30428-21ntpq08:47:040
12149999314,59cyclictest28667-21ntp_states08:37:080
1214999928,26cyclictest27102-21grep08:27:160
12149999215,18cyclictest0-21swapper08:17:160
1214999919,28cyclictest12970-21head07:07:190
12149999115,20cyclictest0-21swapper07:16:330
12149999114,59cyclictest1056-21wc09:06:160
12149999017,24cyclictest23954-21fw_conntrack08:11:470
12149999015,59cyclictest31788-21apt-get08:56:300
12149998917,23cyclictest17788-21memory07:37:040
12149998916,25cyclictest15571-21apt-get07:26:240
12149998911,37cyclictest20152-21cut07:51:340
12149998810,19cyclictest28595-21snmpd07:11:250
12149998716,24cyclictest31146-21df_inode08:51:470
12149998710,56cyclictest22067-21ls08:01:390
12149998617,22cyclictest19041-21users07:42:210
12149998616,22cyclictest23039-21df_inode08:06:480
12149998615,22cyclictest29493-21/usr/sbin/munin08:41:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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