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2026-09-07 - 03:35
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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 Mon Sep 07, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a10000027954-21runrttasks19:09:350
28073999775,0cyclictest776-21df_inode21:00:150
28073999577,0cyclictest19915-21/usr/sbin/munin23:30:360
28073999575,0cyclictest2080-21munin-run00:14:510
28073999574,0cyclictest13278-21cut21:35:580
28073999573,0cyclictest18632-21users23:25:500
28073999477,0cyclictest2882-21/usr/sbin/munin21:06:050
28073999475,0cyclictest24579-21sh20:35:090
28073999474,0cyclictest3446-21seq19:32:440
28073999474,0cyclictest30115-21cat00:00:310
28073999373,0cyclictest15164-21head23:15:490
28073999275,0cyclictest28770-21memory19:10:430
28073999274,0cyclictest12715-21sed23:10:110
28073999273,0cyclictest7762-21/usr/sbin/munin19:45:290
28073999271,0cyclictest461-21runrttasks20:00:300
28073999173,0cyclictest31683-21fw_forwarded_lo20:55:350
28073999173,0cyclictest30456-21ls20:51:000
28073999171,0cyclictest9626-21memory23:00:370
28073999074,0cyclictest9597-21meminfo19:50:440
28073999073,0cyclictest9650-21memory00:35:340
28073999073,0cyclictest24550-21ls22:10:090
28073999072,0cyclictest24129-21chrt20:34:060
28073998973,0cyclictest7263-21latency_hist22:54:550
28073998972,0cyclictest32018-21/usr/sbin/munin19:20:550
28073998972,0cyclictest16896-21users21:45:530
28073998971,0cyclictest31216-21/usr/sbin/munin22:30:340
28073998971,0cyclictest1287-21/usr/sbin/munin22:35:450
28073998871,0cyclictest26670-21wc20:40:410
28073998871,0cyclictest14335-21cstates21:40:120
28073998772,0cyclictest6415-21find22:50:490
28073998771,0cyclictest8041-21ntp_states21:20:580
28073998769,0cyclictest6669-21users19:41:060
28073998769,0cyclictest24924-21irqstats23:45:250
28073998768,0cyclictest438-21snmpd00:16:230
28073998669,0cyclictest4097-21egrep00:20:050
28073998669,0cyclictest21576-21meminfo20:25:400
28073998669,0cyclictest19850-21cat21:55:340
28073998667,0cyclictest4776-21sensors22:45:450
28073998570,0cyclictest11118-21fschecks_time21:30:300
28073998569,0cyclictest23159-21fw_forwarded_lo23:40:240
28073998568,0cyclictest4471-21memory19:35:430
28073998566,0cyclictest9703-21/usr/sbin/munin21:25:570
28073998469,0cyclictest4347-21fw_conntrack21:10:360
28073998468,0cyclictest21562-21memory22:00:330
28073998366,0cyclictest5946-21diskstats00:25:140
28073998366,0cyclictest31857-21meminfo00:05:310
28073998366,0cyclictest11190-21seq19:55:340
28073998365,0cyclictest28341-21irqstats23:55:280
28073998365,0cyclictest18426-21swap20:15:520
28073998266,0cyclictest2371-21cstates22:40:070
28073998166,0cyclictest26381-21grep23:50:100
28073998165,0cyclictest7858-21irqstats00:30:260
28073998165,0cyclictest22577-21basename23:39:510
28073998164,0cyclictest19877-21/usr/sbin/munin20:20:430
28073998163,0cyclictest7450irq/46-4a10000020:45:010
28073998065,0cyclictest18597-21sendmail-mta22:15:190
28073998065,0cyclictest16455-21meminfo23:20:300
28073997964,0cyclictest461-21runrttasks21:15:000
28073997961,0cyclictest18599-21users21:50:540
28073997865,0cyclictest756-21diskstats19:25:160
28073997854,0cyclictest16647-21/usr/sbin/munin20:10:510
28073997762,0cyclictest14953-21grep20:05:560
28073997752,0cyclictest29935-21/usr/sbin/munin22:25:200
28073997561,0cyclictest24003-21seq22:08:000
28073997559,0cyclictest10813-21aten_r4power_vo23:05:040
28073997558,0cyclictest308242sleep019:18:040
28073996437,0cyclictest0-21swapper22:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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