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2025-06-29 - 01:52
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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 Sun Jun 29, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150700,0ktimers/061671sleep19:06:180
1514720,0ktimers/0240661sleep20:31:490
1514710,0ktimers/0161101sleep19:56:070
1514630,0ktimers/0241891sleep23:10:290
1514610,0ktimers/0270641sleep20:46:480
1514570,0ktimers/0291351sleep21:00:380
1514460,0ktimers/0315051sleep21:11:270
1514450,0ktimers/087041sleep19:21:290
1514390,0ktimers/0204661sleep20:16:130
1514380,0ktimers/087251sleep21:56:010
1514340,0ktimers/065561sleep21:45:580
1514270,0ktimers/0184651sleep22:40:520
1514140,0ktimers/0292871sleep23:32:070
1514110,0ktimers/0125571sleep22:12:020
64699940831,0cyclictest6861-21chrt00:21:070
646999401119,0cyclictest15576-21grep22:26:430
646999401102,0cyclictest22812-21timerwakeupswit23:02:130
646999399132,0cyclictest7546-21munin-run19:15:200
64699939827,0cyclictest6342-21ls00:17:070
646999394123,0cyclictest0-21swapper21:25:460
646999393141,0cyclictest0-21swapper21:15:490
64699939229,0cyclictest31190-21latency_hist21:10:270
64699938985,0cyclictest3732-21runrttasks00:06:310
1513880,0ktimers/090671sleep00:31:200
64699938632,0cyclictest1767-21sort23:56:190
64699938331,0cyclictest5478-21munin-run00:15:190
64699938230,0cyclictest22185-21sshd20:22:430
64699938227,0cyclictest11673-21mailstats19:35:430
64699938127,0cyclictest18421-21df_inode20:06:230
64699938028,0cyclictest26758-21nfs_client23:21:350
64699937887,0cyclictest8493-21aten_r3power_en00:27:120
1513770,0ktimers/0199861sleep22:47:010
64699937587,0cyclictest13907-21latency_hist22:20:280
64699937534,0cyclictest3462-21snmpd20:36:430
64699937530,0cyclictest0-21swapper23:20:230
64699937528,0cyclictest16881-21if_eth122:32:030
64699937428,0cyclictest3732-21runrttasks19:55:190
64699937428,0cyclictest31825-21mailstats23:45:320
1513740,0ktimers/0131041sleep19:41:370
64699937328,0cyclictest5247-21latency_hist21:40:230
646999373118,0cyclictest0-21swapper22:05:200
64699937130,0cyclictest28184-21ntpq20:56:070
64699937128,0cyclictest10502-21open_inodes19:30:270
646999371125,0cyclictest0-21swapper19:27:120
64699937032,0cyclictest3385-21cat00:02:110
64699937030,0cyclictest21697-21chrt22:57:150
64699936832,0cyclictest16995-21ls20:00:270
64699936828,0cyclictest935-21needreboot23:51:470
64699936828,0cyclictest11241-21cut22:06:390
64699936731,0cyclictest14696-21sort22:22:000
64699936730,0cyclictest19970-21chrt20:12:110
64699936729,0cyclictest5666-21iostat21:41:230
64699936665,0cyclictest27670-21cut23:26:110
64699936630,0cyclictest14370-21grep19:46:510
646999366133,0cyclictest0-21swapper22:36:180
64699936536,0cyclictest24086-21munin-run23:10:190
64699936528,0cyclictest25392-21grep20:40:270
64699936497,0cyclictest22558-21idleruntime20:25:450
64699936431,0cyclictest1253-21df_inode21:21:190
64699936328,0cyclictest8071-21ls21:51:470
64699936230,0cyclictest30870-21sed23:41:070
64699936129,0cyclictest29745-21chrt23:35:550
646999360124,0cyclictest0-21swapper19:16:120
646999359121,0cyclictest0-21swapper21:30:440
64699935131,0cyclictest27784-21chrt20:53:550
64699935129,0cyclictest9922-21grep00:35:270
64699934932,0cyclictest20885-21date22:55:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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