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2026-06-26 - 05:02
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Fri Jun 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a1000007847-1kworker/u3:019:07:520
97829912859,0cyclictest12-21ksoftirqd/020:55:000
97829912735,0cyclictest11988-21runrttasks20:49:090
97829912643,0cyclictest10478-21aten_r4power_en23:54:480
97829912638,0cyclictest5663-21runrttasks20:30:020
97829912633,0cyclictest24561-21/usr/sbin/munin23:00:120
97829912533,0cyclictest12148-21date20:49:410
97829912530,0cyclictest10007-21tr19:09:500
97829912434,0cyclictest21374-21/usr/sbin/munin19:40:290
97829912432,0cyclictest11960-21load19:14:570
97829912428,0cyclictest2159-21chrt20:19:550
97829912412,0cyclictest9728-21/usr/sbin/munin20:40:400
97829912340,0cyclictest13914-21wget00:04:490
97829912338,0cyclictest28672-21runrttasks23:11:090
97829912336,0cyclictest10708-21df_abs22:20:020
97829912333,0cyclictest16224-21memory19:25:220
97829912332,0cyclictest8672-21latency_hist20:39:420
97829912332,0cyclictest16220-21ls00:10:250
97829912331,0cyclictest8628-21runrttasks22:14:390
97829912331,0cyclictest4354-21runrttasks20:25:260
97829912331,0cyclictest30850-21sendmail-msp23:19:580
97829912329,0cyclictest5797-21fw_forwarded_lo23:40:140
97829912326,0cyclictest8508-21runrttasks23:48:510
97829912240,0cyclictest20014-21/usr/sbin/munin19:35:380
97829912235,0cyclictest14988-21users19:20:440
97829912232,0cyclictest2855-21awk21:55:340
97829912232,0cyclictest18380-21users21:05:400
97829912230,0cyclictest15494-21sendmail-msp21:00:160
97829912229,0cyclictest20927-21df00:24:550
97829912211,0cyclictest12307-21egrep22:24:530
97829912133,0cyclictest12462-21df_abs00:00:050
97829912132,0cyclictest25614-21chrt19:53:550
97829912130,0cyclictest4140-21irqstats23:35:140
97829912130,0cyclictest1602-21sshd21:53:170
97829912033,0cyclictest9041-21df_inode22:14:590
97829912032,0cyclictest19922-21cat22:45:350
97829912031,0cyclictest27592-21/usr/sbin/munin19:59:480
97829912030,0cyclictest18899-21sendmail-msp00:20:180
97829912025,0cyclictest16644-21runrttasks22:35:400
97829912024,0cyclictest23980-21runrttasks21:24:280
97829912011,0cyclictest15080-21chrt22:31:410
97829911932,0cyclictest29427-21cstates23:14:530
97829911930,0cyclictest688-21idleruntime23:25:110
97829911913,0cyclictest21028-21entropy22:50:040
97829911912,0cyclictest17933-21/usr/sbin/munin00:15:250
97829911832,0cyclictest22470-21aten_r4power_en00:29:500
97829911831,0cyclictest31251-21sed21:44:580
97829911830,0cyclictest30685-21runrttasks21:43:280
97829911830,0cyclictest24418-21df_abs21:24:580
97829911813,0cyclictest17917-21chrt22:40:260
97829911811,0cyclictest3938-21df_inode22:00:020
97829911747,0cyclictest0-21swapper21:34:480
97829911737,0cyclictest3376-21runrttasks23:33:510
97829911730,0cyclictest26331-21if_err_eth023:05:140
97829911729,0cyclictest32088-21runrttasks20:10:580
97829911727,0cyclictest23935-21seq22:59:210
97829911724,0cyclictest26298-21fw_forwarded_lo21:30:090
97829911711,0cyclictest29478-21/usr/sbin/munin20:04:530
97829911633,0cyclictest17361-21aten_r4power_en19:29:480
97829911632,0cyclictest8958-21df_abs23:49:550
97829911629,0cyclictest1898-21latency_hist20:19:440
97829911531,0cyclictest19612-21meminfo21:10:190
97829911530,0cyclictest438-21snmpd21:17:340
97829911529,0cyclictest22441-21/usr/sbin/munin19:45:310
97829911525,0cyclictest25875-21aten_r4power_en19:54:480
97829911430,0cyclictest0-21swapper00:38:580
97829911330,0cyclictest6869-21seq22:09:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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