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2025-12-07 - 12:35
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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 all highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Dec 07, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150950,0ktimers/013651sleep18:52:060
1514520,0ktimers/0266741sleep20:52:240
1514420,0ktimers/0184411sleep22:42:550
1514360,0ktimers/0188311sleep20:16:400
1514230,0ktimers/026061sleep21:31:260
205899422132,0cyclictest0-21swapper22:37:220
205899407118,0cyclictest0-21swapper22:31:560
205899406139,0cyclictest0-21swapper21:36:420
1514050,0ktimers/063401sleep19:17:240
1514040,0ktimers/0161481sleep20:03:010
205899400120,0cyclictest0-21swapper23:11:090
20589939929,0cyclictest13281-21cron19:51:260
20589939484,0cyclictest0-21swapper21:56:430
20589939282,0cyclictest1747-21ntpd22:16:530
20589938871,0cyclictest1927-21runrttasks21:21:390
20589938836,0cyclictest27584-21sendmail-msp23:26:320
20589938530,0cyclictest15433-21chrt20:01:100
205899384133,0cyclictest6544-21sort21:48:090
20589938334,0cyclictest1927-21runrttasks19:01:380
205899383127,0cyclictest0-21swapper21:16:420
205899382123,0cyclictest0-21swapper23:11:390
20589938195,0cyclictest1927-21runrttasks21:08:220
205899381123,0cyclictest0-21swapper22:56:490
20589938035,0cyclictest14533-21munin-run22:26:290
20589937974,0cyclictest9325-21ntp_states22:01:540
205899379101,0cyclictest5922-21latency_hist21:46:400
20589937870,0cyclictest0-21swapper20:51:240
20589937734,0cyclictest14369-21munin-run19:56:260
20589937367,0cyclictest1626-21nscd23:52:170
205899373101,0cyclictest17770-21grep20:11:400
205899372118,0cyclictest0-21swapper22:51:560
205899372103,0cyclictest0-21swapper20:58:020
205899372101,0cyclictest8832-21netstat19:28:060
20589937182,0cyclictest31995-21mailstats23:46:410
20589937139,0cyclictest3324-21df_inode19:01:500
20589937133,0cyclictest0-21swapper00:01:090
205899370145,0cyclictest0-21swapper22:11:340
20589936931,0cyclictest30498-21missed_timers23:38:050
20589936886,0cyclictest0-21swapper19:21:570
20589936691,0cyclictest4898-21cron19:11:230
205899366111,0cyclictest7878-21cron00:26:230
205899365113,0cyclictest28739-21df21:02:110
205899365104,0cyclictest20885-21munin-run20:26:290
20589936434,0cyclictest9397-21runrttasks19:31:420
20589936428,0cyclictest31163-21nfs_client21:12:460
20589936386,0cyclictest15523-21runrttasks22:29:490
20589936336,0cyclictest23249-21ls23:06:320
20589936333,0cyclictest0-21swapper23:51:230
205899363122,0cyclictest0-21swapper20:36:410
205899363103,0cyclictest3979-21mailstats00:06:420
20589936295,0cyclictest11728-21ntpq19:42:190
20589936148,0cyclictest19996-21latency_hist22:51:290
20589936134,0cyclictest28884-21apt-get23:31:570
20589936132,0cyclictest10647-21grep19:37:250
20589936130,0cyclictest35-1kworker/0:1H-kblockd23:16:540
20589936028,0cyclictest16729-21irqstats20:06:500
20589935833,0cyclictest0-21swapper22:11:230
20589935735,0cyclictest5146-21chrt00:11:560
205899356119,0cyclictest0-21swapper20:33:210
205899356118,0cyclictest0-21swapper21:31:490
205899355124,0cyclictest0-21swapper19:13:130
20589935292,0cyclictest1659-21lldpd00:04:480
20589935241,0cyclictest28195-21needreboot23:27:570
20589935231,0cyclictest7740-21if_eth121:53:180
205899351128,0cyclictest21973-21cron20:31:240
20589934936,0cyclictest24595-21ls20:42:360
20589934529,0cyclictest6426-21sed00:17:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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