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2026-04-20 - 15:39
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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 Mon Apr 20, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3768224462209,88sleep00-21swapper07:04:130
41579915985,50cyclictest6414-21users11:19:200
41579915781,50cyclictest896-21ntp_states11:04:000
41579915681,50cyclictest3491-21apt-get09:37:500
41579915681,33cyclictest31496-21df12:33:120
41579915678,53cyclictest16597-21apt-get08:17:430
41579915579,53cyclictest10373-21apt-get09:57:470
41579915493,36cyclictest22412-21apt-get10:32:480
41579915479,52cyclictest29516-21apt-get12:27:470
41579915380,49cyclictest12096-21/usr/sbin/munin10:03:430
41579915371,35cyclictest7520-21df_inode11:23:170
41579915279,51cyclictest30878-21munin-run10:57:280
41579915279,49cyclictest14401-21df_inode11:43:230
41579915179,35cyclictest2337-21memory09:33:480
41579915177,50cyclictest671-21ntpq09:28:570
41579915176,50cyclictest15795-21df10:13:130
41579915089,35cyclictest24136-21apt-get10:37:490
41579915078,50cyclictest27427-21ssh09:13:000
41579915077,51cyclictest21458-21memory12:03:490
41579915077,35cyclictest10978-21ssh11:33:260
41579915074,53cyclictest13806-21apt-get10:07:490
41579915074,50cyclictest26464-21fw_conntrack12:18:250
41579914993,30cyclictest9029-21fw_conntrack09:53:320
41579914979,48cyclictest15760-21apt-get11:47:490
41579914977,49cyclictest31353-21memory09:23:540
41579914977,49cyclictest24351-21apt-get12:12:560
41579914976,51cyclictest2361-21df_inode11:08:230
41579914976,49cyclictest5213-21/usr/sbin/munin09:43:400
41579914876,49cyclictest23089-21irqstats12:08:390
41579914876,31cyclictest9838-21users11:29:180
41579914875,48cyclictest18988-21ssh10:22:400
41579914873,33cyclictest26022-21fw_conntrack09:08:350
41579914774,33cyclictest29098-21apt-get09:17:500
41579914773,33cyclictest12683-21ssh11:38:220
41579914772,51cyclictest6932-21apt-get09:47:490
41579914770,37cyclictest25881-21ssh10:42:470
41579914680,42cyclictest19654-21irqstats11:58:380
41579914676,48cyclictest18069-21grep10:19:080
41579914675,32cyclictest8591-21grep07:32:520
41579914674,50cyclictest31017-21ssh10:57:400
41579914674,49cyclictest21020-21df_inode10:28:180
41579914673,49cyclictest28183-21fw_conntrack12:23:240
41579914672,51cyclictest3723-21apt-get11:12:540
41579914572,49cyclictest17823-21df_inode11:53:190
41579914472,49cyclictest24274-21ntp_states08:58:220
41579914472,48cyclictest21385-21fw_conntrack08:43:070
41579914472,44cyclictest5242-21munin-node08:02:380
41579914471,32cyclictest27654-21cut10:47:590
41579914470,33cyclictest15065-21fw_conntrack08:08:050
41579914384,34cyclictest21985-21apt-get08:47:430
41579914381,35cyclictest11178-21apt-get07:47:430
41579914370,32cyclictest23291-21memory08:53:180
41579914284,37cyclictest20199-21apt-get08:37:450
41579914271,49cyclictest12098-21cut07:52:480
41579914271,48cyclictest17497-21apt-get08:22:470
41579914270,49cyclictest25433-21head09:03:350
41579914269,48cyclictest19491-21df08:32:580
41579914179,37cyclictest10154-21sshd07:38:390
41579914170,31cyclictest13790-21munin-run08:02:290
41579914170,30cyclictest6898-21df07:22:560
41579914167,51cyclictest6636-21grep07:22:300
41579914166,51cyclictest7611-21cut07:27:490
41579914166,35cyclictest4828-21ps07:08:270
41579914071,26cyclictest18722-21irqstats08:28:130
41579913781,32cyclictest10290-21apt-get07:42:430
41579913669,47cyclictest5352-21grep07:12:450
41579913666,46cyclictest15733-21grep08:12:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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