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2025-08-26 - 19:00
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Tue Aug 26, 2025 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8472224530,16sleep07763-1kworker/u3:005:41:410
88989915780,53cyclictest3399-21apt-get09:40:330
88989915678,33cyclictest6881-21apt-get08:10:350
88989915580,51cyclictest11430-21apt-get10:05:330
88989915575,56cyclictest10058-21wc08:20:190
88989915482,34cyclictest5272-21/usr/sbin/munin08:06:190
88989915481,50cyclictest3645-21apt-get08:00:360
88989915478,35cyclictest31192-21apt-get07:45:380
88989915477,37cyclictest29355-21/usr/sbin/munin07:35:410
88989915379,51cyclictest11423-21grep05:55:420
88989915379,49cyclictest30993-21apt-get09:25:350
88989915375,52cyclictest14725-21apt-get10:15:360
88989915273,55cyclictest31203-21/usr/sbin/munin11:06:580
88989915178,32cyclictest12246-21memory08:26:300
88989915175,52cyclictest2635-21ntp_states07:56:450
88989915175,52cyclictest24506-21/usr/sbin/munin09:06:460
88989915173,37cyclictest13331-21df_abs10:11:030
88989915080,49cyclictest1809-21apt-get09:35:430
88989915079,49cyclictest23802-21users09:01:560
88989915079,47cyclictest21297-21apt-get08:55:360
88989915077,50cyclictest352-21/usr/sbin/munin07:50:440
88989915076,51cyclictest26239-21ssh10:50:300
88989915074,50cyclictest380-21apt-get11:10:320
88989914979,49cyclictest15808-21users08:36:590
88989914977,49cyclictest30447-21ssh09:22:460
88989914878,31cyclictest29987-21irqstats11:01:230
88989914877,48cyclictest31063-21munin-run07:45:170
88989914876,49cyclictest485-21df_inode09:31:060
88989914876,49cyclictest26147-21sh09:10:410
88989914875,51cyclictest22947-21apt-get10:40:370
88989914874,51cyclictest20536-21unixbench_singl08:52:000
88989914873,51cyclictest27755-21/usr/sbin/munin09:15:260
88989914873,51cyclictest16546-21apt-get08:40:370
88989914773,52cyclictest10128-21apt-get08:20:330
88989914766,45cyclictest19168-21ssh10:28:190
88989914678,49cyclictest24596-21/usr/sbin/munin10:46:500
88989914677,47cyclictest10826-21ssh10:02:290
88989914675,48cyclictest7134-21memory09:51:310
88989914674,50cyclictest19647-21apt-get10:30:420
88989914673,33cyclictest5022-21ssh09:45:340
88989914669,34cyclictest16911-21memory10:21:390
88989914573,50cyclictest18283-21ssh08:45:490
88989914573,33cyclictest21557-21df10:36:000
88989914573,32cyclictest9937-21munin-node05:50:210
88989914571,51cyclictest13662-21fw_conntrack08:31:120
88989914472,49cyclictest8226-21apt-get09:55:330
88989914472,32cyclictest28333-21irqstats10:56:230
88989914468,52cyclictest14755-21sed06:11:250
88989914372,51cyclictest16252-21wc06:21:080
88989914368,35cyclictest14952-21tr06:15:360
88989914367,52cyclictest18413-21sendmail06:35:150
88989914269,51cyclictest21933-21head06:51:230
88989914174,26cyclictest10390-21apt-get05:50:520
88989914169,49cyclictest23294-21df_abs07:00:490
88989914072,47cyclictest18746-21df06:35:480
88989914069,50cyclictest22272-21snmpd06:46:200
88989914068,49cyclictest24516-21grep07:06:160
88989914067,51cyclictest27067-21wc07:21:050
88989913982,35cyclictest25597-21/usr/sbin/munin07:11:250
88989913972,29cyclictest26018-21df_abs07:15:480
88989913972,27cyclictest29244-21munin-run07:35:150
88989913969,49cyclictest13189-21tr06:05:370
88989913967,48cyclictest22241-21basename06:55:390
88989913962,51cyclictest28129-21grep07:26:280
88989913961,38cyclictest17561-21latency_hist06:30:180
88989913871,47cyclictest12552-21irqstats06:01:010
88989913781,35cyclictest19429-21apt-get06:40:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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