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2025-11-07 - 02:20
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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 Thu Nov 06, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8857220212,53sleep00-21swapper/007:09:440
89539917527,117cyclictest8798-21ntp_states09:10:440
89539917345,108cyclictest20787-21apt-get10:00:040
89539917027,120cyclictest1424-21nginx07:40:510
89539916626,118cyclictest1356-21snmpd11:10:360
8953991628,99cyclictest19384-21df12:00:170
8953991627,97cyclictest19279-21apt-get07:52:110
89539916221,121cyclictest30095-21wget10:35:180
8953991617,96cyclictest1336-21runrttasks07:17:290
89539916145,98cyclictest3650irq/20-4900000007:57:250
8953991597,123cyclictest32568-21/usr/sbin/munin08:40:130
8953991587,130cyclictest6693-21chrt09:02:090
89539915837,103cyclictest10250irq/56-4a10000009:25:150
89539915829,109cyclictest25768-21cron10:17:010
89539915610,108cyclictest16053-21ntp_states07:35:430
8953991548,105cyclictest27902-21ntp_states10:25:400
8953991547,92cyclictest3760-21apt-get08:57:100
8953991546,104cyclictest1424-21nginx11:41:450
89539915437,104cyclictest19295-21apt-get07:50:030
8953991539,90cyclictest27974-21ntp_states08:20:420
8953991538,127cyclictest21406-21apt-config10:00:260
8953991538,126cyclictest7880-21/usr/sbin/munin11:15:360
8953991536,112cyclictest21739-21wget12:10:130
89539915332,103cyclictest10250irq/56-4a10000009:21:140
89539915331,105cyclictest10250irq/56-4a10000008:35:200
89539915237,99cyclictest144922chrt09:34:460
8953991517,124cyclictest1356-21snmpd12:34:260
8953991516,127cyclictest1601-21runrttasks08:45:240
8953991516,125cyclictest1356-21snmpd08:33:330
89539915146,93cyclictest19062-21latency_hist12:00:040
8953991508,105cyclictest9126-21wget07:10:150
8953991499,97cyclictest29886-21apt10:35:010
8953991498,120cyclictest16256-21/usr/sbin/munin09:40:420
8953991498,101cyclictest2972-21ntp_states10:55:420
8953991495,124cyclictest22779-21if_err_eth010:05:300
89539914910,97cyclictest9157-21memory11:20:330
8953991488,103cyclictest12955-21ntp_states11:35:410
8953991486,100cyclictest24433-21users08:05:520
89539914837,99cyclictest20978-21runrttasks12:05:450
8953991478,100cyclictest25285-21diskstats08:10:300
8953991477,119cyclictest13562-21sshd07:25:380
8953991477,100cyclictest18786-21ntp_states09:50:420
8953991476,124cyclictest1356-21snmpd10:49:030
89539914725,111cyclictest23695-21apt-get12:17:100
8953991467,88cyclictest29487-21vmstat08:26:120
89539914616,111cyclictest1432-21wget10:50:150
89539914543,88cyclictest10150irq/55-4a10000007:23:180
89539914535,97cyclictest3000-21ntpq08:50:360
89539914530,104cyclictest4225-21ntp_states11:00:380
89539914522,104cyclictest1356-21snmpd09:39:350
8953991449,92cyclictest10379-21irqstats11:25:290
8953991447,118cyclictest28309-21/usr/sbin/munin12:35:120
89539914422,105cyclictest1356-21snmpd07:33:210
89539914421,107cyclictest26856-21mailstats10:20:510
8953991437,96cyclictest1801-21node11:06:310
89539914322,110cyclictest10791-21munin-run09:20:020
89539914318,108cyclictest1356-21snmpd12:29:250
8953991427,120cyclictest1356-21snmpd08:00:170
8953991426,116cyclictest1356-21snmpd11:54:170
89539914240,91cyclictest24230-21runrttasks10:10:510
89539914229,102cyclictest792-21haveged11:47:150
89539914215,90cyclictest10250irq/56-4a10000009:48:500
89539914020,109cyclictest26522-21/usr/sbin/munin08:15:250
8953991399,111cyclictest7214-21wget09:05:160
8953991398,99cyclictest1356-21snmpd12:24:240
8953991395,115cyclictest1356-21snmpd10:44:020
8953991388,89cyclictest11621-21irqstats11:30:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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