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2025-11-25 - 05:30
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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 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Nov 25, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153480,0ktimers/0261641sleep18:53:020
2705499470152,0cyclictest0-21swapper21:42:330
270549945584,0cyclictest18952-21munin-node23:22:580
270549944533,0cyclictest22532-21wget21:08:350
270549943579,0cyclictest27601-21awk18:58:560
270549942672,0cyclictest20071-21mailstats23:28:030
270549942668,0cyclictest15945-21df20:38:280
1514260,0ktimers/0283391sleep00:04:280
2705499425110,0cyclictest24268-21wc23:47:440
1514240,0ktimers/017611sleep19:33:100
270549942191,0cyclictest11714-21expr22:48:550
2705499420148,0cyclictest0-21swapper20:52:330
1514200,0ktimers/0323021sleep19:23:130
270549941972,0cyclictest252041chrt23:51:110
270549941860,0cyclictest5878-21cron19:52:360
1514180,0ktimers/0251411sleep21:19:240
270549941767,0cyclictest27051-21cyclictest20:02:330
2705499416142,0cyclictest0-21swapper20:55:200
1514160,0ktimers/015191sleep19:32:410
270549941495,0cyclictest12382-21latency_hist20:22:350
270549941090,0cyclictest0-21swapper22:31:030
270549940940,0cyclictest1654-21snmpd22:12:210
527504070,0irq/11-sym53c8x130150irq/15-NE200020:27:520
1514060,0ktimers/0296821sleep19:09:400
270549940529,0cyclictest4020-21grep19:43:300
2705499405131,0cyclictest0-21swapper22:57:480
1514050,0ktimers/0146541sleep23:03:080
270549940397,0cyclictest32395-21expr00:24:010
270549940342,0cyclictest22739-21sort23:39:090
270549940290,0cyclictest20647-21needreboot20:59:190
270549940278,0cyclictest16820-21wc20:42:440
1514000,0ktimers/011401sleep21:58:570
270549939937,0cyclictest10316-21apt-get22:43:180
270549939928,0cyclictest30283-21df_inode19:13:460
270549939646,0cyclictest10937-21latency20:14:150
270549939634,0cyclictest31056-21uname21:48:020
270549939570,0cyclictest9223-21munin-node20:09:240
270549939568,0cyclictest1978-21sshd22:03:230
2705499395101,0cyclictest0-21swapper22:13:580
270549939379,0cyclictest15793-21df23:08:240
270549939264,0cyclictest32398-21chrt21:53:410
270549939239,0cyclictest30862-21munin-run21:47:400
2705499392112,0cyclictest12357-21ls22:52:440
270549939035,0cyclictest5985-21cat19:52:450
270549938777,0cyclictest21199-21df23:33:190
270549938775,0cyclictest27051-21cyclictest21:13:520
270549938742,0cyclictest0-21swapper21:27:530
270549938684,0cyclictest0-21swapper23:15:280
270549938632,0cyclictest28299-21munin-node22:27:440
270549938528,0cyclictest27749-21mailstats21:32:530
270549938384,0cyclictest2844-21runrttasks19:38:060
270549938328,0cyclictest21515-21iostat21:03:410
270549938289,0cyclictest29849-21sort00:12:590
270549938283,0cyclictest0-21swapper00:18:080
270549938244,0cyclictest25651-21ntp_states21:23:040
2705499381111,0cyclictest26368-21cron23:57:320
2705499380104,0cyclictest0-21swapper00:08:140
270549937996,0cyclictest12482-21munin-node20:24:030
270549937986,0cyclictest0-21swapper23:58:230
2705499379111,0cyclictest0-21swapper20:05:340
270549937877,0cyclictest1626-21nscd23:17:450
270549937676,0cyclictest9680-21timerandwakeup22:39:130
270549937665,0cyclictest5198-21apt-get22:18:120
270549937190,0cyclictest0-21swapper20:37:320
270549936731,0cyclictest28350-21wc19:03:050
270549936674,0cyclictest0-21swapper19:22:090
270549936672,0cyclictest0-21swapper22:32:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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