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2026-06-22 - 05:28
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Mon Jun 22, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152210,0ktimers/052011sleep19:13:490
54369951941,0cyclictest15388-21mailstats23:43:020
525504840,0irq/11-sym53c8x130250irq/15-NE200020:23:430
54369947436,0cyclictest29543-21sendmail_mailtr21:42:340
1514610,0ktimers/0305991sleep21:48:260
1514540,0ktimers/0267961sleep21:24:440
1514530,0ktimers/0214011sleep20:55:580
525504470,0irq/11-sym53c8x130250irq/15-NE200020:48:290
54369944554,0cyclictest5498-21runrttasks22:42:180
54369944536,0cyclictest16996-21df23:53:520
54369944530,0cyclictest25812-21diskmemload00:10:180
543699445109,0cyclictest20840-21apt-get00:18:140
1514450,0ktimers/030701sleep22:23:470
1514430,0ktimers/097101sleep23:09:020
525504420,0irq/11-sym53c8x130250irq/15-NE200022:03:010
54369944041,0cyclictest18211-21munin-node00:03:020
1514400,0ktimers/0204201sleep00:15:480
54369943630,0cyclictest31719-21kworker/u4:1-rpciod23:04:460
1514340,0ktimers/0164671sleep23:50:090
54369943337,0cyclictest12101-21apt-get23:23:140
54369943135,0cyclictest0-21swapper21:12:380
54369943033,0cyclictest30452-21mailstats21:47:380
543699430100,0cyclictest23588-21ssh00:37:180
1514300,0ktimers/066731chrt22:51:590
543699428116,0cyclictest5433-21cyclictest23:19:400
54369942696,0cyclictest0-21swapper21:04:410
54369942437,0cyclictest7759-21mailstats22:57:420
54369942336,0cyclictest14326-21latency_hist20:12:180
54369942237,0cyclictest2792-21chrt22:22:300
54369942233,0cyclictest5556-21chrt19:17:380
54369942135,0cyclictest12213-21nfs_client19:58:420
543699421107,0cyclictest12917-21ssh23:27:490
54369941936,0cyclictest24857-21chrt00:44:400
54369941836,0cyclictest9772-21nfs_client19:43:420
54369941641,0cyclictest14421-21chrt20:12:280
54369941638,0cyclictest21612-21ssh00:22:460
54369941632,0cyclictest17076-21cpu20:28:220
54369941564,0cyclictest15105-21ssh23:41:420
54369941533,0cyclictest10820-21chrt23:16:140
543699413159,0cyclictest6084-21cron22:47:180
525504130,0irq/11-sym53c8x130250irq/15-NE200023:57:450
54369941236,0cyclictest15679-21chrt20:18:410
54369941234,0cyclictest9039-21sshd19:38:420
54369941145,0cyclictest24231-21ls00:42:260
54369941140,0cyclictest27931-21ssh21:33:150
54369940937,0cyclictest0-21swapper19:28:500
54369940835,0cyclictest3432-21nscd20:07:180
54369940830,0cyclictest4344-21open_inodes22:32:300
54369940733,0cyclictest23831-21chrt21:07:420
54369940635,0cyclictest10973-21latency_hist19:52:280
54369940594,0cyclictest18840-21awk20:38:410
54369940551,0cyclictest31772-21irqstats21:57:540
54369940536,0cyclictest8262-21nfs_client19:33:420
54369940439,0cyclictest0-21swapper20:32:540
54369940380,0cyclictest22237-21missed_timers20:59:100
54369940232,0cyclictest4889-21sh22:37:180
54369940134,0cyclictest6894-21ssh22:52:500
543699400147,0cyclictest31574-21chrt21:57:180
54369939937,0cyclictest13875-21awk23:34:150
54369939832,0cyclictest1209-21ssh22:12:060
54369939739,0cyclictest19632-21expr20:43:400
54369939732,0cyclictest27653-21ssh21:32:100
54369939732,0cyclictest26001-21ssh21:18:060
54369939634,0cyclictest6977-21sed19:27:300
1513950,0ktimers/0226441sleep00:31:530
54369939333,0cyclictest10520-21iostat19:48:300
54369938431,0cyclictest1834-21sh22:17:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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