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2025-09-17 - 04:50
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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 Wed Sep 17, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119739924968,0cyclictest0-21swapper20:33:190
1197399218136,0cyclictest17090-21sed22:35:570
1197399213128,0cyclictest9800-21snmpd23:20:120
1197399212152,0cyclictest529-21latency_hist19:54:080
1197399211131,0cyclictest21552-21grep22:50:100
1197399211126,0cyclictest3355-21runrttasks22:30:180
1197399210131,0cyclictest20397-21df20:59:320
1197399210129,0cyclictest9800-21snmpd22:14:180
1197399210125,0cyclictest3355-21runrttasks19:23:400
1197399209128,0cyclictest7187-21mailstats20:14:120
1197399209125,0cyclictest3355-21runrttasks23:52:400
1197399208130,0cyclictest9800-21snmpd19:16:390
1197399208128,0cyclictest31154-21sh19:48:560
1197399207131,0cyclictest3355-21runrttasks23:13:000
1197399207125,0cyclictest16015-21if_eth020:44:230
1197399206131,0cyclictest25590-21df_abs19:30:070
1197399206128,0cyclictest27583-21latency_hist21:24:040
1197399206127,0cyclictest3355-21runrttasks23:36:260
1197399206127,0cyclictest22833-21mailstats21:09:120
1197399206126,0cyclictest19892-21nfsd19:11:100
1197399206119,0cyclictest24238-21cut19:24:510
1197399205124,0cyclictest25051-21cron23:03:550
1197399205121,0cyclictest18648-21runrttasks19:08:350
1197399205121,0cyclictest17693-21chrt20:49:130
1197399204125,0cyclictest17857-21latency_hist22:39:080
1197399204123,0cyclictest3204-21sendmail-mta19:01:190
1197399203127,0cyclictest11466-21aten2.4_r8power22:19:160
1197399203125,0cyclictest14098-21nfs_client18:50:350
1197399203124,0cyclictest3355-21runrttasks23:25:030
1197399203124,0cyclictest23228-21sed22:55:230
1197399203123,0cyclictest9800-21snmpd21:39:020
1197399203123,0cyclictest9800-21snmpd20:56:400
1197399203121,0cyclictest9133-21df22:09:380
1197399203121,0cyclictest4949-21latency_hist23:44:070
1197399203121,0cyclictest28923-21which21:29:090
1197399203120,0cyclictest4770-21unixbench_singl21:55:210
1197399202128,0cyclictest15663-21chrt18:57:120
1197399202122,0cyclictest9624-21df_inode23:59:490
1197399202121,0cyclictest12805-21munin-node00:10:490
1197399202118,0cyclictest3355-21runrttasks21:24:210
1197399201125,0cyclictest3089-21nsca23:05:200
1197399201125,0cyclictest10107-21awk20:24:490
1197399201124,0cyclictest14147-21ls22:26:030
1197399201123,0cyclictest5677-21df21:59:350
1197399201123,0cyclictest3355-21runrttasks19:42:110
1197399201122,0cyclictest3355-21runrttasks21:46:020
1197399200123,0cyclictest32637-21munin-node23:30:180
1197399200120,0cyclictest3204-21sendmail-mta21:41:380
2626501990,0irq/5-eth010853-21aten2.4_r8power18:39:380
1197399199122,0cyclictest4293-21latency23:41:000
1197399199119,0cyclictest3227-21ntpd20:19:070
1197399199119,0cyclictest1560-21ls19:56:040
1197399198124,0cyclictest4320-21basename20:05:210
1197399198120,0cyclictest3007-21aten2.4_r8power21:50:180
1197399198120,0cyclictest12259-21seq18:44:330
1197399198116,0cyclictest20051-21df_inode22:44:500
1197399198115,0cyclictest3355-21runrttasks23:15:100
1197399197118,0cyclictest21520-21latency_hist21:04:070
1197399196121,0cyclictest7534-21awk22:04:490
1197399195120,0cyclictest24827-21aten2.4-expect21:15:340
1197399195116,0cyclictest27669-21nfs_client19:35:400
1197399194118,0cyclictest12816-21munin-node20:34:120
1197399194117,0cyclictest6484-21nfsd20:11:150
1197399194117,0cyclictest2619-21ntp_offset19:59:430
1197399193114,0cyclictest8462-21latency_hist23:54:090
1197399193113,0cyclictest11432-21python00:04:530
1197399191100,0cyclictest14465-21df_inode20:39:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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