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2026-09-23 - 02:35
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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 Wed Sep 23, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5411224400,14sleep02929-1kworker/u3:118:55:350
63569915680,51cyclictest3997-21apt-get21:25:140
63569914975,51cyclictest9162-21/usr/sbin/munin21:41:220
63569914973,52cyclictest28140-21munin-run00:10:000
63569914772,33cyclictest7796-21df_abs21:35:460
63569914670,35cyclictest31163-21munin-run21:09:560
63569914572,49cyclictest18493-21memory23:41:150
63569914570,51cyclictest29788-21apt-get22:40:160
63569914570,51cyclictest22919-21/usr/sbin/munin22:21:270
63569914570,50cyclictest7670-21apt-get23:10:130
63569914570,50cyclictest14333-21apt-get21:55:140
63569914569,52cyclictest4108-21sort22:59:590
63569914472,46cyclictest26373-21ssh22:30:100
63569914470,50cyclictest23566-21df_inode20:35:340
63569914470,35cyclictest28193-21df_inode21:00:550
63569914468,53cyclictest31687-21apt-get00:20:130
63569914468,51cyclictest18799-21apt-get20:10:110
63569914466,35cyclictest24826-21apt-get00:00:180
63569914371,49cyclictest10880-21apt-get21:45:160
63569914370,49cyclictest14804-21df23:30:380
63569914369,49cyclictest16793-21memory23:36:150
63569914271,32cyclictest2616-21df_inode21:20:460
63569914267,37cyclictest29875-21ssh00:14:590
63569914267,32cyclictest19680-21apt-get23:45:110
63569914265,51cyclictest18234-21kernelversion22:06:080
63569914264,38cyclictest12781-21sshd21:50:330
63569914169,49cyclictest1282-21df_inode00:25:480
63569914169,47cyclictest6387-21irqstats23:06:080
63569914169,32cyclictest25374-21grep22:26:330
63569914166,50cyclictest2311-21ssh22:54:370
63569914165,52cyclictest31304-21apt-get21:10:160
63569914165,33cyclictest23114-21apt-get23:55:180
63569914078,39cyclictest13554-21ssh23:26:330
63569914068,50cyclictest9650-21df23:15:360
63569914067,50cyclictest11085-21apt-get23:20:150
63569914066,49cyclictest541-21ssh21:15:060
63569914065,51cyclictest29988-21apt-get00:15:180
63569913969,30cyclictest21213-21apt-get22:15:160
63569913871,27cyclictest21410-21apt-get23:50:160
63569913868,48cyclictest4594-21ssh23:00:580
63569913867,49cyclictest6090-21ssh21:30:500
63569913867,48cyclictest31849-21df_inode22:45:480
63569913865,50cyclictest19510-21apt-get22:10:190
63569913863,52cyclictest17659-21latency_hist22:04:590
63569913765,47cyclictest20583-21/usr/sbin/munin20:20:580
63569913763,33cyclictest19945-21df_abs20:15:270
63569913582,26cyclictest25083-21apt-get20:45:110
63569913571,38cyclictest21485-21apt-get20:25:100
63569913564,48cyclictest16819-21head19:56:010
63569913563,33cyclictest7192-21grep19:01:010
63569913562,50cyclictest28329-21ssh22:35:360
63569913561,49cyclictest7394-21munin-node19:05:030
63569913480,30cyclictest24184-21apt-get20:40:120
63569913465,45cyclictest12499-21aten_r5power_cu19:35:140
63569913464,50cyclictest23113-21head20:31:000
63569913464,48cyclictest11475-21munin-run19:29:560
63569913383,27cyclictest17877-21apt-get20:05:110
63569913376,30cyclictest8892-21apt-get19:15:110
63569913363,48cyclictest8516-21ps19:10:540
63569913363,48cyclictest11997-21memory19:30:440
63569913362,49cyclictest14361-21wget19:45:190
63569913361,48cyclictest27697-21munin-run20:59:560
63569913270,37cyclictest16978-21apt-get20:00:110
63569913259,29cyclictest26051-21wget20:50:170
63569913174,33cyclictest9779-21apt-get19:20:100
63569913162,48cyclictest15940-21grep19:51:010
63569913061,49cyclictest13375-21apt19:40:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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