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2026-03-31 - 09:09
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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 Mar 30, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29537218230,118sleep00-21swapper/007:09:400
29639991699,21cyclictest12434-21ntp_states12:20:430
296399916935,110cyclictest15432-21seq10:27:240
296399916630,14cyclictest10250irq/56-4a10000008:00:370
29639991657,30cyclictest17539-21wget10:35:140
296399916445,106cyclictest10287-21sshd10:06:050
29639991618,44cyclictest4129-21diskstats07:35:220
296399916032,13cyclictest10150irq/55-4a10000008:45:390
296399916025,21cyclictest1305-21snmpd08:55:590
29639991599,17cyclictest13042-21ntpq08:10:440
29639991587,45cyclictest30119-21apt-get09:18:180
296399915839,106cyclictest5261-21apt-get11:55:330
296399915828,12cyclictest0-21swapper/007:49:400
29639991579,17cyclictest22794-21df_inode08:50:200
296399915731,113cyclictest9912-21ntpq12:10:400
29639991558,36cyclictest13782-21wget12:25:140
29639991556,25cyclictest11622-21sshd08:05:250
296399915540,102cyclictest22662-21sshd10:55:210
296399915536,103cyclictest8950irq/40-mmc107:18:190
296399915535,102cyclictest3650irq/20-4900000010:32:150
296399915533,109cyclictest801-21dbus-daemon12:20:020
296399915531,112cyclictest31698-21latency_hist09:25:090
296399915530,114cyclictest15142-21sshd12:30:210
296399915524,18cyclictest31630-21https09:25:310
296399915510,43cyclictest2882-21diskstats07:30:200
29639991547,128cyclictest16371-21/usr/sbin/munin12:35:130
296399915441,96cyclictest5467-21seq09:47:240
296399915430,22cyclictest2010-21node12:06:300
296399915331,15cyclictest18821-21aten_r7power_po10:40:140
296399915323,16cyclictest805-21rs:main0
296399915233,106cyclictest26556-21ntpq11:10:320
296399915233,103cyclictest42842chrt09:42:510
296399915230,111cyclictest17821-21diskstats08:30:210
29639991516,20cyclictest3635-21apt-get11:52:120
296399915147,95cyclictest5911-21seq09:50:160
296399915142,97cyclictest25162-21diskstats11:05:220
296399915141,99cyclictest28805-21runrttasks09:15:070
296399915034,104cyclictest31198-21hostname11:30:110
296399915026,112cyclictest3650-21apt-get11:50:040
296399915018,15cyclictest1305-21snmpd07:55:360
296399915016,20cyclictest1305-21snmpd10:15:220
296399914928,108cyclictest1712-21if_eth007:25:300
296399914917,24cyclictest754-21systemd-journal11:41:150
29639991488,19cyclictest32728-21wget07:20:160
29639991487,18cyclictest7534-21ntpq09:55:410
296399914844,83cyclictest10150irq/55-4a10000011:25:440
296399914834,17cyclictest17255-21seq08:27:580
296399914739,98cyclictest14649-21runrttasks08:17:050
296399914732,104cyclictest30762-21sshd07:14:210
296399914730,105cyclictest32426-21/usr/sbin/munin11:35:120
296399914637,96cyclictest19173-21memory08:35:350
29639991458,32cyclictest10250irq/56-4a10000011:21:120
296399914550,85cyclictest8285-21awk07:50:530
296399914535,97cyclictest8614-21entropy10:00:230
296399914533,101cyclictest754-21systemd-journal09:31:200
296399914527,106cyclictest812-21avahi-daemon10:45:150
296399914521,13cyclictest10250irq/56-4a10000009:09:580
296399914441,93cyclictest11271-21runrttasks10:10:420
296399914423,19cyclictest754-21systemd-journal09:40:000
296399914415,16cyclictest13409-21wget10:20:120
296399914329,17cyclictest25475-21ntpq09:00:370
296399914326,21cyclictest787-21haveged11:15:210
296399914243,88cyclictest21215-21runrttasks08:44:520
296399914131,98cyclictest754-21systemd-journal10:51:130
296399914112,16cyclictest15196-21wget08:20:110
296399914029,11cyclictest10150irq/55-4a10000011:01:090
296399914029,100cyclictest7024-21apt12:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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