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2025-08-27 - 14:34
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Wed Aug 27, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
376661499327,24cyclictest0-21swapper/200:34:592
376661499321,28cyclictest3874688-21apt-get20:55:122
376661499310,28cyclictest3934111-21apt-get21:45:122
376661499301,27cyclictest4013278-21grep22:45:182
376661499300,28cyclictest0-21swapper/221:55:142
376661499291,25cyclictest0-21swapper/200:05:132
376661499290,9cyclictest3978447-21ssh22:20:162
376661499290,28cyclictest4111308-21ssh00:02:342
376661499290,27cyclictest0-21swapper/223:00:122
376661499290,26cyclictest3965645-21apt-get22:10:132
3766614992819,8cyclictest0-21swapper/222:55:242
376661499281,26cyclictest0-21swapper/223:19:592
376661499280,27cyclictest4047025-21ssh23:11:412
376661499280,27cyclictest3889643-21diskmemload00:29:472
376661499280,26cyclictest0-21swapper/223:55:092
376661499280,26cyclictest0-21swapper/222:35:132
376661499280,25cyclictest0-21swapper/200:20:072
3766614992718,8cyclictest4040851-21ssh23:07:152
3766614992718,7cyclictest4125979-21kthreadcore00:15:172
3766614992717,9cyclictest4080018-21ssh23:39:482
376661499271,25cyclictest0-21swapper/223:20:262
376661499271,25cyclictest0-21swapper/221:39:542
376661499271,24cyclictest3944448-21ntpq21:50:252
376661499271,24cyclictest0-21swapper/223:41:062
376661499271,23cyclictest3889643-21diskmemload00:35:012
376661499270,26cyclictest3914669-21ssh21:29:242
376661499270,26cyclictest3907903-21ssh21:22:472
376661499270,26cyclictest0-21swapper/223:51:402
376661499270,26cyclictest0-21swapper/222:02:142
376661499270,26cyclictest0-21swapper/222:02:132
376661499270,26cyclictest0-21swapper/221:31:102
376661499270,26cyclictest0-21swapper/200:13:082
376661499270,24cyclictest0-21swapper/220:20:132
376661799262,20cyclictest3984765-21apt-get22:25:153
376661499262,21cyclictest3828105-21apt-get20:10:152
3766614992617,8cyclictest3990783-21sh22:30:012
376661499261,24cyclictest3898574-21ps21:15:212
376661499261,23cyclictest3884558-21cron21:05:012
376661499261,22cyclictest3991423-21tail22:30:182
376661499261,22cyclictest0-21swapper/219:50:082
376661499260,25cyclictest4009481-21ssh22:44:252
376661499260,25cyclictest3976932-21ssh22:16:212
376661499260,25cyclictest0-21swapper/222:51:252
376661499260,24cyclictest4065821-21ssh23:26:122
376661499260,23cyclictest3959357-21seq22:05:152
376661499260,23cyclictest0-21swapper/221:10:042
376661099262,22cyclictest4084396-21ntpq23:40:261
3766610992619,4cyclictest3849318-21irqcore20:30:161
376661099261,21cyclictest3807870-21apt-get19:50:131
3766607992624,1cyclictest0-21swapper/000:20:000
376660799262,3cyclictest4048422-21apt-get23:15:160
376661799251,20cyclictest3991107-21apt-get22:30:163
376661799250,22cyclictest4125510-21irqcore00:15:163
3766614992519,4cyclictest3884838-21apt-get21:05:142
376661499251,23cyclictest3889643-21diskmemload23:45:542
376661499251,23cyclictest0-21swapper/221:40:192
376661499251,23cyclictest0-21swapper/219:34:002
376661499250,9cyclictest4072486-21ssh23:32:172
3766610992519,3cyclictest3797718-21apt-get19:40:131
3766610992519,3cyclictest3797718-21apt-get19:40:131
376661099251,20cyclictest4118722-21apt-get00:10:131
376661099251,20cyclictest3889969-21apt-get21:10:121
376661099251,20cyclictest3766821-21apt-get19:10:121
376661099250,5cyclictest3940967-21ps21:50:211
3766607992522,1cyclictest4009809-21apt-key22:45:010
376660799251,21cyclictest3864587-21apt-get20:45:160
376661799241,20cyclictest4093037-21apt-get23:50:143
376661799241,20cyclictest3959349-21apt-get22:05:143
3766614992418,3cyclictest0-21swapper/220:50:152
376661499241,20cyclictest3777001-21apt-get19:20:132
376661499240,5cyclictest0-21swapper/220:34:142
376661499240,22cyclictest3802517-21cron19:45:002
376661499240,22cyclictest3802517-21cron19:45:002
3766610992420,2cyclictest3908935-21apt-get21:25:141
3766610992419,3cyclictest3859459-21apt-get20:40:121
376661099241,3cyclictest4020774-21ntpq22:50:221
376661099241,3cyclictest3777001-21apt-get19:20:131
376661099241,20cyclictest3843334-21apt-get20:25:131
376661099241,20cyclictest3782098-21apt-get19:25:121
376661099241,19cyclictest0-21swapper/121:45:031
376661099241,19cyclictest0-21swapper/120:50:131
376661099240,4cyclictest4125313-21fw_packets00:15:161
376661099240,21cyclictest4086747-21ssh23:45:171
376660799241,3cyclictest3988835-21ntpq22:25:240
376660799241,21cyclictest4001396-21ntpq22:35:220
376660799241,21cyclictest3896325-21apt-get21:15:150
376660799241,21cyclictest3889643-21diskmemload23:21:350
376660799241,20cyclictest0-21swapper/019:45:150
376660799240,4cyclictest4035062-21ssh23:04:020
376660799240,22cyclictest3766621-21sed19:10:000
3766617992320,2cyclictest0-21swapper/320:55:163
3766617992319,2cyclictest3953058-21apt-get22:00:163
3766617992319,2cyclictest3953058-21apt-get22:00:153
3766617992318,3cyclictest3892482-21grep21:10:183
376661799231,2cyclictest4142850-21ssh00:25:593
376661799231,19cyclictest0-21swapper/323:55:053
376661799230,4cyclictest4008269-21ssh22:40:363
376661799230,21cyclictest4041214-21ssh23:08:233
376661799230,20cyclictest0-21swapper/320:05:143
376661799230,20cyclictest0-21swapper/319:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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