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2026-05-18 - 15:53
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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 Mon May 18, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501970,0irq/46-4a10000013991-21runrttasks07:01:520
143249911781,0cyclictest27611-21meminfo12:24:540
143249911176,0cyclictest15042-21/usr/sbin/munin08:40:180
143249910882,0cyclictest18978-21irqstats08:49:520
143249910775,0cyclictest15325-21df_abs11:49:340
143249910684,0cyclictest8520-21diskstats09:54:380
143249910680,0cyclictest29171-21/usr/sbin/munin09:19:440
143249910671,0cyclictest20679-21interrupts07:19:490
143249910585,0cyclictest8808-21meminfo08:19:550
143249910585,0cyclictest29030-21diskstats10:54:380
143249910583,0cyclictest29031-21diskstats12:29:380
143249910574,0cyclictest32165-21aten_r4power_en09:29:240
143249910574,0cyclictest27456-21/usr/sbin/munin07:39:440
143249910484,0cyclictest3592-21irqstats08:04:510
143249910483,0cyclictest10528-21meminfo11:34:540
143249910481,0cyclictest724-21users11:05:120
143249910481,0cyclictest3409-21diskstats11:14:370
143249910481,0cyclictest29765-21users07:45:150
143249910480,0cyclictest26384-21users12:20:140
143249910477,0cyclictest24024-21fw_conntrack07:29:450
143249910474,0cyclictest6490-21/usr/sbin/munin09:50:110
143249910471,0cyclictest23870-21df_inode09:04:330
143249910471,0cyclictest20969-21/usr/sbin/munin10:30:050
143249910470,0cyclictest484-21runrttasks08:26:310
143249910382,0cyclictest30614-21df07:49:300
143249910381,0cyclictest3703-21memory09:40:000
143249910381,0cyclictest27318-21diskstats09:14:360
143249910381,0cyclictest25807-21irqstats09:09:510
143249910381,0cyclictest19062-21meminfo07:14:550
143249910381,0cyclictest17358-21meminfo10:19:540
143249910380,0cyclictest20622-21fw_forwarded_lo08:54:450
143249910380,0cyclictest18329-21awk08:49:140
143249910373,0cyclictest16767-21aten_r4power_cu11:54:220
143249910372,0cyclictest19302-21seq12:00:070
143249910370,0cyclictest8508-21seq11:29:340
143249910282,0cyclictest22336-21fw_conntrack10:34:440
143249910281,0cyclictest15259-21/usr/sbin/munin10:14:290
143249910281,0cyclictest14747-21diskstats07:04:380
143249910281,0cyclictest13634-21diskstats08:34:360
143249910281,0cyclictest12242-21/usr/sbin/munin08:29:590
143249910280,0cyclictest32433-21diskstats07:54:370
143249910280,0cyclictest21493-21runrttasks12:07:130
143249910279,0cyclictest23595-21/usr/sbin/munin10:40:100
143249910279,0cyclictest1557-21/usr/sbin/munin09:34:270
143249910278,0cyclictest5255-21fw_forwarded_lo11:19:440
143249910278,0cyclictest11823-21df10:04:310
143249910277,0cyclictest6795-21df_inode11:24:330
143249910180,0cyclictest5812-21unixbench_singl09:45:150
143249910180,0cyclictest30719-21diskstats09:24:360
143249910180,0cyclictest19179-21/usr/sbin/munin10:25:020
143249910180,0cyclictest1890-21irqstats11:09:500
143249910179,0cyclictest28076-21users10:50:170
143249910179,0cyclictest25502-21df07:34:300
143249910179,0cyclictest13843-21irqstats10:09:500
143249910179,0cyclictest13636-21diskstats11:44:360
143249910178,0cyclictest22160-21df_inode07:24:340
143249910177,0cyclictest16282-21users07:09:270
143249910176,0cyclictest12702-21users11:40:150
143249910167,0cyclictest6806-21seq08:14:350
143249910080,0cyclictest22939-21users12:10:120
143249910080,0cyclictest22804-21switchtime09:00:090
143249910079,0cyclictest1675-21diskstats07:59:360
143249910078,0cyclictest5479-21/usr/sbin/munin08:10:020
143249910078,0cyclictest30884-21fw_forwarded_lo10:59:480
143249910077,0cyclictest23922-21diskstats12:14:390
14324999980,0cyclictest25750-21/usr/sbin/munin10:44:450
14324999980,0cyclictest10223-21diskstats09:59:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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