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2025-11-20 - 09:51
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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 Nov 20, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73501880,0irq/45-4a100000705-21runrttasks19:04:120
15719913144,0cyclictest8327-21/usr/sbin/munin22:59:020
15719913143,0cyclictest6812-21/usr/sbin/munin00:29:090
15719912542,0cyclictest6903-21/usr/sbin/munin21:19:220
15719912435,0cyclictest19712-21chrt21:58:380
15719912236,0cyclictest13663-21/usr/sbin/munin23:14:160
15719912147,0cyclictest7350irq/45-4a10000023:48:490
15719912147,0cyclictest7350irq/45-4a10000020:28:410
15719912134,0cyclictest8407-21runrttasks19:49:350
15719912132,0cyclictest21998-21fw_conntrack23:38:530
15719912032,0cyclictest18444-21/usr/sbin/munin20:19:350
15719912031,0cyclictest3488-21runrttasks19:17:480
15719912031,0cyclictest1868-21runrttasks19:10:090
15719912011,0cyclictest13452-21/usr/sbin/munin20:04:190
15719911947,0cyclictest7350irq/45-4a10000022:29:050
15719911935,0cyclictest17595-21chrt20:17:350
15719911838,0cyclictest3694-21latency_hist19:18:270
15719911832,0cyclictest31883-21wget00:08:390
15719911832,0cyclictest19989-21grep20:23:570
15719911735,0cyclictest27028-21latency20:44:050
15719911732,0cyclictest5907-21latency_hist21:18:260
15719911637,0cyclictest2827-21df_abs21:08:480
15719911633,0cyclictest32271-21ntp_offset20:59:150
15719911633,0cyclictest246642chrt23:47:080
15719911633,0cyclictest23812-21grep22:09:110
15719911632,0cyclictest9234-21latency_hist19:53:260
15719911632,0cyclictest8323-21memory21:24:130
15719911630,0cyclictest23176-21/usr/sbin/munin20:33:420
15719911546,0cyclictest12-21ksoftirqd/023:28:370
15719911545,0cyclictest12-21ksoftirqd/022:23:340
15719911537,0cyclictest10245-21ntp_states23:04:140
15719911529,0cyclictest15645-21runrttasks21:44:320
15719911515,0cyclictest1147-21diskstats21:03:500
15719911429,0cyclictest14190-21runrttasks21:41:400
15719911428,0cyclictest24915-21/usr/sbin/munin20:38:430
15719911427,0cyclictest14663-21apt23:18:310
15719911426,0cyclictest12792-21cron23:13:200
15719911413,0cyclictest8062-21aten_r4power_vo00:33:410
15719911411,0cyclictest21869-21/usr/sbin/munin22:03:560
15719911347,0cyclictest12-21ksoftirqd/020:58:240
15719911336,0cyclictest2732-21aten_r4power_en22:43:380
15719911332,0cyclictest0-21swapper21:31:210
15719911329,0cyclictest29425-21runrttasks20:51:070
15719911328,0cyclictest27962-21seq22:22:010
15719911324,0cyclictest11524-21fw_forwarded_lo19:59:330
15719911310,0cyclictest793-21runrttasks22:38:210
15719911241,0cyclictest12-21ksoftirqd/022:14:160
15719911233,0cyclictest14869-21fw_conntrack20:09:000
15719911230,0cyclictest5275-21seq19:29:430
15719911229,0cyclictest7450irq/46-4a10000000:24:230
15719911228,0cyclictest2399-21seq22:42:200
15719911227,0cyclictest12348-21runrttasks21:35:380
15719911224,0cyclictest7557-21runrttasks19:45:520
15719911217,0cyclictest26970-21df_inode23:53:480
15719911212,0cyclictest4375-21/usr/sbin/munin22:49:210
15719911212,0cyclictest18288-21diskstats21:53:500
15719911131,0cyclictest16203-21ls21:48:250
15719911128,0cyclictest16625-21cstates23:23:480
15719911127,0cyclictest6319-21df22:53:460
15719911115,0cyclictest1697-21meminfo00:14:100
15719911111,0cyclictest30480-21grep00:03:540
15719911111,0cyclictest20101-21df23:33:450
1571991109,0cyclictest3021-21wc00:18:420
15719911011,0cyclictest28708-21df_inode23:58:470
15719910928,0cyclictest6603-1kworker/u3:319:39:330
1571991089,0cyclictest4936-21seq19:27:520
15719910714,0cyclictest6431-21munin-run19:38:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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