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2026-05-07 - 13:48
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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 all highest latencies:
System rack4slot2.osadl.org (updated Thu May 07, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a1000003605-21kworker/0:307:03:500
57889911379,0cyclictest0-21swapper11:00:330
57889910774,0cyclictest0-21swapper08:00:340
57889910673,0cyclictest0-21swapper11:40:020
5788999979,0cyclictest22982-21/usr/sbin/munin07:55:040
5788999779,0cyclictest24834-21/usr/sbin/munin11:10:130
5788999777,0cyclictest30521-21users08:15:400
5788999576,0cyclictest15776-21/usr/sbin/munin10:45:200
5788999576,0cyclictest10618-21sed12:04:420
5788999476,0cyclictest5551-21/usr/sbin/munin10:14:480
5788999475,0cyclictest19775-21sshd07:45:190
5788999375,0cyclictest8114-21users07:10:040
5788999375,0cyclictest1979-21awk08:29:400
5788999374,0cyclictest6565-21modprobe07:05:260
5788999360,0cyclictest0-21swapper12:10:310
5788999358,0cyclictest0-21swapper07:40:020
5788999275,0cyclictest14575-21irqstats07:30:160
5788999274,0cyclictest32431-21runrttasks11:32:150
5788999274,0cyclictest20521-21runrttasks10:57:370
5788999177,0cyclictest9154-21df07:14:570
5788999175,0cyclictest19890-21ntp_states09:20:260
5788999174,0cyclictest1330-21grep11:35:350
5788999173,0cyclictest7337-21wget08:44:510
5788999173,0cyclictest712-21diskstats10:00:020
5788999159,0cyclictest0-21swapper07:20:240
5788999074,0cyclictest8935-21modprobe10:24:430
5788999070,0cyclictest26957-21timerandwakeup08:05:350
5788999068,0cyclictest0-21swapper08:20:280
5788999066,0cyclictest17329-21cron07:39:380
5788998973,0cyclictest9602-21/usr/sbin/munin12:00:230
5788998973,0cyclictest3453-21seq10:07:540
5788998972,0cyclictest6784-21runrttasks08:42:060
5788998972,0cyclictest28196-21/usr/sbin/munin09:45:130
5788998956,0cyclictest0-21swapper12:15:290
5788998872,0cyclictest22931-21grep09:30:030
5788998871,0cyclictest460-21snmpd12:25:340
5788998870,0cyclictest8073-21/usr/sbin/munin11:55:340
5788998870,0cyclictest30297-21mailstats09:50:340
5788998863,0cyclictest0-21swapper10:51:060
5788998855,0cyclictest0-21swapper10:35:370
5788998770,0cyclictest484-21runrttasks12:24:350
5788998770,0cyclictest21542-21grep07:50:250
5788998769,0cyclictest4327-21irqstats10:10:150
5788998754,0cyclictest0-21swapper11:20:030
5788998754,0cyclictest0-21swapper10:30:030
5788998670,0cyclictest23699-21runrttasks11:05:460
5788998670,0cyclictest14653-21meminfo09:05:190
5788998668,0cyclictest4342-21chrt11:45:130
5788998569,0cyclictest4268-21fw_forwarded_lo08:35:100
5788998568,0cyclictest19302-21/usr/sbin/munin12:29:520
5788998555,0cyclictest0-21swapper09:25:390
5788998552,0cyclictest0-21swapper09:00:150
5788998469,0cyclictest296662sleep011:24:560
5788998468,0cyclictest26568-21irqstats11:15:140
5788998466,0cyclictest5556-21grep11:49:490
5788998454,0cyclictest0-21swapper08:50:390
5788998450,0cyclictest0-21swapper08:55:310
5788998369,0cyclictest460-21snmpd10:21:080
5788998366,0cyclictest24336-21aten_r4power_cu09:34:480
5788998350,0cyclictest0-21swapper07:25:180
5788998166,0cyclictest31610-21fw_forwarded_lo09:55:090
5788998164,0cyclictest28681-21timerandwakeup08:10:350
5788998158,0cyclictest0-21swapper09:39:470
5788998151,0cyclictest0-21swapper09:15:270
5788997964,0cyclictest3050-21timerandwakeup08:30:360
5788997460,0cyclictest15140-21users10:40:380
5788997457,0cyclictest16820-21users09:10:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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