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2025-09-11 - 13:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Thu Sep 11, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35939925681,0cyclictest12660-21grep20:40:310
35939925271,0cyclictest0-21swapper22:45:360
35939925132,0cyclictest28806-21awk19:55:040
35939924573,0cyclictest9712-21telnet19:00:400
35939924060,0cyclictest21810-21grep00:11:010
35939923871,0cyclictest0-21swapper21:05:300
35939923773,0cyclictest14431-21telnet23:50:310
35939923359,0cyclictest0-21swapper19:31:150
35939923264,0cyclictest21916-21aten2.4-expect22:39:360
35939923159,0cyclictest0-21swapper00:01:010
35939922637,0cyclictest12574-21perl22:11:350
35939922548,0cyclictest0-21swapper23:05:380
35939921770,0cyclictest19478-21sshd19:28:480
35939921734,0cyclictest15710-21if_eth020:49:400
359399208130,0cyclictest3355-21runrttasks22:24:260
359399201117,0cyclictest3355-21runrttasks18:46:270
359399199170,0cyclictest84302sleep023:34:270
359399199118,0cyclictest3355-21runrttasks23:25:460
359399199118,0cyclictest3355-21runrttasks19:15:070
359399198120,0cyclictest15498-21nfs_client22:20:540
359399198118,0cyclictest3355-21runrttasks19:12:230
359399197115,0cyclictest3355-21runrttasks20:09:520
2332219738,0sleep02375-21grep18:39:550
35939919678,0cyclictest0-21swapper23:30:250
359399196110,0cyclictest3355-21runrttasks23:09:530
359399195121,0cyclictest29757-21apache20:35:470
359399195113,0cyclictest3355-21runrttasks22:30:500
359399195112,0cyclictest24662-21df21:14:560
359399194117,0cyclictest3355-21runrttasks19:34:370
359399193117,0cyclictest4228-21missed_timers20:16:180
359399193117,0cyclictest32648-21unixbench_singl20:05:310
359399193114,0cyclictest2592-21awk23:15:540
359399193113,0cyclictest3355-21runrttasks22:03:140
359399193112,0cyclictest3355-21runrttasks21:11:200
359399193108,0cyclictest27007-21nfs_client21:20:520
359399192118,0cyclictest24473-21perl19:41:370
359399192117,0cyclictest4750-21awk23:21:220
359399192116,0cyclictest3355-21runrttasks21:30:360
359399192113,0cyclictest3355-21runrttasks21:04:210
359399192112,0cyclictest29308-21sed23:00:080
359399192111,0cyclictest6922-21df20:24:490
359399191114,0cyclictest20049-21munin-node22:34:280
359399191114,0cyclictest14956-21nfsd20:46:270
359399191112,0cyclictest27502-21cut19:50:480
359399191111,0cyclictest10901-21cut19:04:410
359399190113,0cyclictest14696-21ls22:19:220
359399190112,0cyclictest3355-21runrttasks00:08:400
359399190111,0cyclictest26115-21cut22:50:480
359399189113,0cyclictest3355-21runrttasks21:34:550
359399189110,0cyclictest3355-21runrttasks20:30:010
359399188114,0cyclictest16001-21latency_hist19:19:270
359399188114,0cyclictest1042-21df21:39:490
359399188113,0cyclictest3909-21tune2fs21:46:340
359399188110,0cyclictest3355-21runrttasks21:57:410
359399188105,0cyclictest6195-21cut20:21:310
359399187112,0cyclictest3355-21runrttasks19:45:580
359399187111,0cyclictest30355-21cut19:59:360
359399187110,0cyclictest6715-21tune2fs18:51:350
359399187108,0cyclictest28731-21memory21:25:480
359399186109,0cyclictest3355-21runrttasks21:53:500
359399186107,0cyclictest17434-21aten2.4_r8power20:54:350
359399186105,0cyclictest10824-21grep23:40:260
359399185113,0cyclictest7272-21mailstats18:54:330
359399185112,0cyclictest10340-21nfs_client22:05:480
359399185109,0cyclictest3355-21runrttasks23:44:420
359399184105,0cyclictest3355-21runrttasks23:57:310
359399181108,0cyclictest27560-21smart_hda22:55:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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