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2026-08-11 - 11:46
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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 highest latencies:
System rack7slot8.osadl.org (updated Mon Aug 10, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21043220128,55sleep021049-21ntp_states07:05:280
488721085,12sleep04896-21users12:20:490
2116821075,15sleep020960-21/usr/sbin/munin11:20:210
3162021055,11sleep031621-21netstat12:00:340
144521015,11sleep01478-21processes10:00:460
21862991007,49cyclictest5512-21apt-get10:17:070
21862999975,15cyclictest0-21swapper/007:10:030
21862999846,34cyclictest29502-21runrttasks09:45:160
37662975,11sleep02521-21apt-get12:16:500
21862999752,29cyclictest101ktimersoftd/009:30:250
273352966,11sleep027336-21ntp_states07:30:410
21862999654,29cyclictest3650irq/20-4900000011:35:240
235592955,12sleep023620-21/usr/sbin/munin11:30:210
21862999541,36cyclictest0-21swapper/008:14:560
193532954,7sleep00-21swapper/011:13:130
21862999445,32cyclictest101ktimersoftd/009:17:060
293272936,12sleep028054-21apt-get07:37:040
21862999343,30cyclictest29135-21runrttasks09:44:320
1983029313,13sleep0101ktimersoftd/009:06:250
21862999249,26cyclictest101ktimersoftd/011:56:110
2707929113,15sleep0101ktimersoftd/009:35:310
21862999141,31cyclictest9877-21aten_r7power_cu08:30:120
176032916,12sleep017604-21ntp_states11:05:400
21862998949,30cyclictest0-21swapper/007:50:320
208632890,7sleep020864-21latency_hist11:20:030
21862998837,33cyclictest24556-21/usr/sbin/munin09:25:230
21862998829,21cyclictest17898-21cpuspeed09:00:150
2186299876,27cyclictest30436-21apt-get09:52:120
2186299868,58cyclictest485-21ntpq12:05:440
21862998651,16cyclictest23161-21wget09:20:160
21862998649,28cyclictest0-21swapper/012:32:160
21862998642,29cyclictest3650irq/20-4900000008:57:110
21862998632,19cyclictest9985-21if_err_eth010:35:280
21862998615,51cyclictest1408-21nginx11:45:010
21862998522,17cyclictest20790-21seq09:10:220
2186299848,39cyclictest24754-21irqstats07:20:310
21862998456,12cyclictest101ktimersoftd/008:17:110
21862998429,39cyclictest0-21swapper/007:19:390
21862998428,19cyclictest11954-21sshd10:43:430
21862998421,17cyclictest6650-21latency_hist12:30:030
21862998336,30cyclictest8149-21runrttasks10:28:070
21862998334,13cyclictest27880-21chrt11:46:260
2186299828,23cyclictest31458-21ntp_states07:45:430
21862998253,18cyclictest2610-21/usr/sbin/munin10:05:350
21862998239,29cyclictest10250irq/56-4a10000011:50:170
2186299816,14cyclictest13778-21df08:45:170
21862998152,13cyclictest10150irq/55-4a10000012:35:390
21862998145,27cyclictest0-21swapper/008:00:120
21862998137,28cyclictest10250irq/56-4a10000008:20:120
21862998130,35cyclictest3618-21runrttasks08:05:110
21862998053,14cyclictest6478-21processes10:20:450
21862997959,12cyclictest101ktimersoftd/007:55:230
21862997950,13cyclictest10150irq/55-4a10000010:55:320
21862997949,13cyclictest10150irq/55-4a10000010:50:230
21862997938,27cyclictest10250irq/56-4a10000008:25:130
21862997915,29cyclictest23329-21latency_hist11:30:030
21862997850,13cyclictest10150irq/55-4a10000007:40:240
21862997847,15cyclictest10150irq/55-4a10000008:54:430
21862997750,16cyclictest12657-21/usr/sbin/munin08:40:320
2186299774,36cyclictest25893-21df_inode07:25:200
21862997732,34cyclictest1305-21snmpd12:10:200
21862997657,11cyclictest101ktimersoftd/008:35:170
21862997646,20cyclictest12432-21runrttasks10:45:200
21862997546,13cyclictest10150irq/55-4a10000009:55:240
21862997545,15cyclictest10150irq/55-4a10000010:10:510
21862997545,13cyclictest10150irq/55-4a10000011:00:390
21862997439,26cyclictest9224-21runrttasks10:31:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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