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2025-11-04 - 16:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rack3slot7.osadl.org (updated Tue Nov 04, 2025 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140180ksoftirqd/022509-21kworker/0:106:54:230
239949814312cyclictest9094-21munin-node09:39:350
239949814312cyclictest2996-21runrttasks09:59:240
239949813713cyclictest18403-21mailstats11:54:070
239949813512cyclictest13730-21munin-node11:39:390
239949813311cyclictest10645-21munin-node11:29:180
239949813212cyclictest29873-21aten2.4-expect10:44:330
239949813212cyclictest26084-21munin-node12:19:120
239949813212cyclictest10727-21df07:59:120
239949813112cyclictest13600-21latency_hist11:38:540
239949813112cyclictest1211-21latency_hist10:58:550
239949813111cyclictest17075-21egrep11:49:160
239949813012cyclictest20357-21aten2.4_r3power10:14:230
239949812913cyclictest9802-21aten2.4-expect11:24:350
239949812913cyclictest3393-21nfs_client11:04:240
239949812912cyclictest2996-21runrttasks07:50:570
239949812912cyclictest25112-21needreboot12:14:280
239949812911cyclictest28998-21df07:14:110
239949812814cyclictest23416-21munin-node12:09:220
239949812813cyclictest28244-21aten2.4-expect07:09:400
239949812812cyclictest9540-21nfs_client07:54:270
239949812812cyclictest560-21latency10:54:370
239949812812cyclictest4443-21munin-node07:39:080
239949812812cyclictest2996-21runrttasks10:04:150
239949812812cyclictest19897-21munin-node11:59:200
239949812713cyclictest6423-21aten2.4-expect07:44:180
239949812713cyclictest30910-21nfs_client07:19:230
239949812713cyclictest28119-21nfs_client12:24:240
239949812712cyclictest30833-21df10:49:120
239949812712cyclictest30212-21runrttasks09:00:520
239949812712cyclictest27632-21munin-node08:54:210
239949812613cyclictest3718-21sendmail_mailqu09:19:380
239949812613cyclictest2996-21runrttasks07:38:340
239949812613cyclictest23452-21sh10:24:240
239949812613cyclictest19901-21sendmail_mailtr08:29:060
239949812612cyclictest592-21runrttasks07:25:470
239949812612cyclictest4426-21latency_hist09:23:550
239949812612cyclictest2996-21runrttasks10:10:160
239949812612cyclictest2996-21runrttasks08:45:000
239949812612cyclictest2996-21runrttasks08:04:010
239949812612cyclictest23052-21if_eth008:39:080
239949812612cyclictest14015-21df_inode08:09:180
239949812611cyclictest21441-21munin-node12:04:090
239949812513cyclictest26829-21timerandwakeup10:34:380
239949812512cyclictest6610-21kernelversion11:14:300
239949812512cyclictest31372-21cpuspeed09:04:310
239949812512cyclictest2996-21runrttasks09:58:520
239949812512cyclictest24247-21munin-node06:59:180
239949812512cyclictest22224-21latency08:34:380
239949812512cyclictest15260-21munin-node11:44:200
239949812427cyclictest15249-21munin-node08:14:050
239949812414cyclictest6620-21kernelversion09:29:280
239949812413cyclictest16797-21munin-node08:19:140
239949812412cyclictest2996-21runrttasks09:51:190
239949812412cyclictest28091-21nfs_client10:39:260
239949812411cyclictest2996-21runrttasks11:13:470
239949812411cyclictest1338-21munin-node09:14:080
239949812313cyclictest2773-21latency_hist07:33:540
239949812312cyclictest26549-21nfs_client08:49:240
239949812312cyclictest18434-21ntp_states08:24:090
239949812311cyclictest2996-21runrttasks09:48:350
239949812311cyclictest26043-21cpu07:04:160
239949812212cyclictest2996-21runrttasks09:09:340
239949812211cyclictest7553-21munin-node09:34:170
239949812112cyclictest25420-21cstates10:29:400
239949812111cyclictest8233-21aten2.4_r3power11:19:320
239949812012cyclictest21448-21munin-node10:19:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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