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2026-04-08 - 06:55
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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 Wed Apr 08, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24378224270,11sleep016620-1kworker/u3:519:07:450
244469914768,53cyclictest4154-21fw_conntrack23:49:070
244469914269,49cyclictest27614-21apt-get23:23:220
244469914268,50cyclictest22413-21/usr/sbin/munin23:09:590
244469914171,47cyclictest18988-21apt-get22:58:220
244469914169,32cyclictest16760-21users00:24:500
244469914168,49cyclictest17799-21df00:28:460
244469914167,32cyclictest15883-21df_inode22:49:000
244469914166,34cyclictest25921-21df_inode21:43:530
244469914166,32cyclictest18674-21apt-get21:23:220
244469914163,53cyclictest24414-21df23:13:490
244469914067,48cyclictest22296-21munin-run23:08:040
244469914065,49cyclictest23851-21apt-get21:38:240
244469913969,26cyclictest8946-21apt-get00:03:230
244469913965,50cyclictest13825-21apt-get22:43:240
244469913962,35cyclictest5467-21df22:18:440
244469913869,45cyclictest30753-21apt-get21:58:230
244469913868,28cyclictest8823-21munin-run00:03:050
244469913866,49cyclictest13641-21ssh22:42:470
244469913865,51cyclictest7465-21latency22:24:220
244469913865,49cyclictest17633-21fw_conntrack22:54:030
244469913864,55cyclictest8641-21/usr/sbin/munin22:29:300
244469913767,31cyclictest29321-21apt-get23:28:230
244469913763,50cyclictest5747-21df23:53:460
244469913763,49cyclictest3723-21df22:13:440
244469913763,35cyclictest26273-21fw_conntrack23:19:040
244469913663,50cyclictest22110-21apt-get21:33:240
244469913663,48cyclictest1332-21ssh22:06:410
244469913662,53cyclictest12359-21/usr/sbin/munin00:14:270
244469913661,51cyclictest31038-21/usr/sbin/munin23:34:550
244469913661,51cyclictest2058-21apt-get23:43:190
244469913658,56cyclictest304-21apt-get23:38:210
244469913561,50cyclictest10642-21/usr/sbin/munin00:08:400
244469913561,49cyclictest20768-21fw_conntrack21:29:030
244469913558,51cyclictest14102-21apt-get00:18:230
244469913462,48cyclictest27290-21apt-get21:48:200
244469913460,53cyclictest29546-21ssh21:54:190
244469913460,36cyclictest2022-21ssh22:08:480
244469913459,34cyclictest14007-21ssh21:09:250
244469913458,53cyclictest2264-21grep20:04:010
244469913458,35cyclictest17906-21vmstat21:19:540
244469913370,38cyclictest16125-21users21:14:490
244469913363,44cyclictest19252-21apt-get00:33:230
244469913362,48cyclictest29549-21cron19:38:020
244469913356,53cyclictest11528-21munin-run20:58:030
244469913263,47cyclictest11965-21munin-run22:38:030
244469913258,53cyclictest6229-21/usr/sbin/munin20:28:440
244469913255,51cyclictest2734-21wget20:08:260
244469913070,34cyclictest30578-21apt-get19:43:180
244469913060,32cyclictest13265-21unixbench_singl21:04:070
244469913057,51cyclictest1573-21grep19:59:090
244469912971,34cyclictest3522-21apt-get20:13:140
244469912968,38cyclictest30394-21head19:39:080
244469912967,36cyclictest5683-21irqstats20:23:500
244469912959,47cyclictest27558-21grep19:24:030
244469912957,33cyclictest25344-21munin-run19:13:040
244469912955,51cyclictest28084-21sed19:28:340
244469912955,50cyclictest31716-21sed19:48:340
244469912870,35cyclictest9938-21aten_r5power_vo20:48:270
244469912859,47cyclictest695-21munin-run19:58:030
244469912769,34cyclictest8043-21apt-get20:38:170
244469912760,48cyclictest25967-21munin-run19:18:030
244469912753,51cyclictest7382-21sed20:33:340
244469912554,48cyclictest11760-21egrep20:58:260
244469912552,52cyclictest26747-21sort19:19:060
244469912464,37cyclictest8938-21/usr/sbin/munin20:43:570
244469912351,32cyclictest5024-21zcat20:19:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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