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2026-05-13 - 04:41
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot3.osadl.org (updated Wed May 13, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19204287424sleep19203-21latency_hist19:09:570
192119926350cyclictest22959-21munin-node0
1921199257228cyclictest14957-21ssh21:11:440
1921199254223cyclictest21501-21munin-node0
1921199254220cyclictest25856-21munin-run22:00:130
1921199253224cyclictest2869-21snmpd23:57:450
1921199253220cyclictest22453-21grep00:07:030
1921199252222cyclictest29245-21ntp_states00:37:150
1921199251219cyclictest3262-21ntp_offset22:42:060
1921199250224cyclictest18954-21sh21:29:150
1921199250222cyclictest26601-21ssh22:02:100
1921199250222cyclictest16529-21ssh23:41:160
1921199250221cyclictest29038-21ssh22:13:300
1921199250220cyclictest13644-21diskmemload23:28:420
1921199248221cyclictest27215-21latency_hist19:45:080
1921199248218cyclictest27990-21chrt22:09:000
1921199248217cyclictest3940-21ssh22:45:500
1921199247220cyclictest7831-21ssh23:02:250
1921199247217cyclictest24404-21perl00:16:090
1921199247215cyclictest19212-21munin-node0
1921199247214cyclictest18500-21ssh23:50:260
192119924652cyclictest20321-21df21:35:270
1921199246222cyclictest4244-21latency_hist20:25:100
1921199246218cyclictest2869-21snmpd00:32:500
1921199246214cyclictest16253-21df_inode23:40:370
1921199245219cyclictest18023-21df21:25:350
1921199245217cyclictest5536-21ssh22:52:150
1921199245215cyclictest29531-21egrep19:54:590
1921199245213cyclictest11230-21ssh23:17:420
1921199245176cyclictest1166-21ssh22:34:130
1921199244220cyclictest58-1kworker/0:1H21:18:530
1921199244219cyclictest26437-21sshd00:25:280
1921199244217cyclictest7284-21ssh23:00:420
1921199244217cyclictest14407-21diskmemload22:36:490
1921199244212cyclictest10645-21munin-node0
192119924351cyclictest21390-21ntp_states00:02:270
1921199243215cyclictest24176-21sort00:15:270
1921199243214cyclictest11952-21ssh23:21:110
1921199243193cyclictest27623-21sleep19:45:450
1921199243179cyclictest25039-21ls19:35:050
192119924245cyclictest11569-21ntp_states20:56:280
1921199242218cyclictest20692-21irqstats21:36:300
1921199242218cyclictest19467-21sh23:54:460
1921199242217cyclictest13075-21netwatch21:02:190
1921199242216cyclictest31999-21date20:05:140
1921199242213cyclictest32608-21munin-run22:30:080
1921199242212cyclictest2546-21Xorg23:10:060
1921199242180cyclictest30691-21fschecks_time22:20:580
1921199241217cyclictest9551-21unixbench_singl20:46:560
1921199241216cyclictest4897-21swap20:26:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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