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2025-07-03 - 09:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Jul 03, 2025 00:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152150,0ktimers/0230431sleep19:09:110
1514780,0ktimers/0264981sleep22:00:260
1514600,0ktimers/0106361sleep23:16:310
1514240,0ktimers/0251641sleep21:54:500
1514190,0ktimers/0124981sleep20:55:520
1513880,0ktimers/0262691sleep19:25:420
1513850,0ktimers/0200191sleep00:00:550
2311099361252,0cyclictest12022-21idleruntime-cro23:24:490
2311099356175,0cyclictest892-21jbd2/sda1-822:49:590
1513550,0ktimers/0138761sleep23:31:300
1513490,0ktimers/0228551sleep21:42:300
526503420,0irq/11-sym53c8x130050irq/15-NE200021:22:410
1513410,0ktimers/0145351sleep23:35:460
1513400,0ktimers/039121sleep22:46:150
2311099338216,0cyclictest1606-21munin-node20:06:300
2311099337218,0cyclictest25570-21sshd19:21:270
2311099335213,0cyclictest29719-21awk19:41:060
2311099335169,0cyclictest15364-21cron21:09:480
526503340,0irq/11-sym53c8x130050irq/15-NE200000:14:490
2311099334138,0cyclictest892-21jbd2/sda1-823:40:010
2311099332243,0cyclictest533-21cut22:31:020
2311099330162,0cyclictest11107-21munin-node20:50:000
1513300,0ktimers/0274121sleep19:30:490
2311099327184,0cyclictest892-21jbd2/sda1-820:31:240
2311099322181,0cyclictest28743-21needreboot19:36:130
2311099320245,0cyclictest3720-21grep20:14:540
2311099320196,0cyclictest6576-21munin-run22:59:530
2311099320155,0cyclictest3725-21runrttasks23:10:040
2311099319241,0cyclictest10675-21sendmail_mailqu20:46:260
2311099317234,0cyclictest1358-21chrt22:35:380
2311099317171,0cyclictest19752-21latency_hist21:29:560
2311099316230,0cyclictest23639-21missed_timers00:16:250
2311099316211,0cyclictest23989-21chrt21:48:180
2311099316182,0cyclictest19612-21apt-get23:59:570
2311099316167,0cyclictest3725-21runrttasks21:01:420
2311099316150,0cyclictest3293-21ls22:44:490
2311099314229,0cyclictest8897-21wc20:39:580
2311099314143,0cyclictest4595-21cron20:16:480
2311099313195,0cyclictest16519-21aten_r3power_cu23:45:090
2311099312231,0cyclictest16988-21awk21:16:060
2311099312155,0cyclictest27459-21munin-node22:05:020
2311099311227,0cyclictest32345-21nfs_client19:56:100
2311099311209,0cyclictest24712-21find00:21:250
2311099310229,0cyclictest16471-21basename21:14:500
2311099310176,0cyclictest29235-21aten_r3power_en22:11:360
2311099309222,0cyclictest3725-21runrttasks23:26:210
2311099308225,0cyclictest5406-21chrt20:21:140
2311099308225,0cyclictest3372-21syslogd22:20:020
2311099308224,0cyclictest21340-21tr00:06:130
2311099308186,0cyclictest1494-21cron20:04:490
2311099307223,0cyclictest32478-21cron22:29:500
2311099306224,0cyclictest8266-21kernelversion23:06:090
2311099306187,0cyclictest6695-21runrttasks20:26:370
2311099306165,0cyclictest34-1kworker/0:1H+kblockd20:40:080
2311099305223,0cyclictest24520-21cpu19:15:310
2311099303221,0cyclictest28365-21ls00:39:570
2311099303217,0cyclictest31701-21chrt19:53:380
2311099303182,0cyclictest30841-21awk19:46:060
2311099302220,0cyclictest30184-21ls22:16:260
2311099302220,0cyclictest20257-21awk21:31:060
2311099302219,0cyclictest27163-21sshd00:33:490
2311099302219,0cyclictest25762-21tr21:56:100
2311099302219,0cyclictest17915-21ls23:50:570
2311099302215,0cyclictest21155-21cut21:35:460
2311099301217,0cyclictest25623-21grep00:26:050
2311099299219,0cyclictest23279-21which19:10:110
2311099297214,0cyclictest7582-21sshd23:03:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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