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2025-12-07 - 06:01
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Sun Dec 07, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/012195-21kworker/0:218:52:030
14991360watchdog/01963-21kernelversion21:42:210
14991340watchdog/02958-21munin-node21:47:250
14991320watchdog/012226-21munin-node20:32:290
14991300watchdog/05407-21sh20:07:330
11532212612sleep011586-21aten2.4-expect20:27:370
14991240watchdog/010939-21cpu22:12:130
14991230watchdog/07810-21aten2.4_r3power22:02:090
14991200watchdog/015780-21runrttasks22:27:170
14991190watchdog/06937-21aten2.4_r3power20:12:330
14991150watchdog/015823-21expr20:42:210
14991140watchdog/026554-21munin-node21:17:170
14991130watchdog/02996-21runrttasks20:59:130
14991130watchdog/02996-21runrttasks20:23:090
14991130watchdog/025989-21latency_hist23:01:490
14991090watchdog/026331-21aten2.4_r3power19:32:090
14991090watchdog/024793-21aten2.4_r3power21:12:090
838501080irq/14-ide027766-21df21:22:060
14991080watchdog/01457-21idleruntime23:27:010
14991080watchdog/012412-21ntp_offset00:02:090
14991070watchdog/022674-21seq21:04:570
14991070watchdog/014222-21nfs_client22:22:170
14991060watchdog/010993-21df_inode23:57:130
838501040irq/14-ide09606-21nfs_client22:07:190
14991020watchdog/015022-21latency_hist18:56:480
838501000irq/14-ide012333-21df22:17:060
83850980irq/14-ide016974-21df22:32:060
2349829611sleep023553-21nfs_client22:52:180
83850950irq/14-ide016981-21df20:47:070
83850930irq/14-ide025038-21nfs_client22:57:200
243550890irq/11-eth031457-21aten2.4_r3power21:32:260
243550890irq/11-eth017371-21nfs_client00:17:200
83850880irq/14-ide023150-21df21:07:050
1400828712sleep014056-21df_inode20:37:130
15046988613cyclictest4538-21munin-node23:37:010
83850850irq/14-ide020472-21nfs_client19:12:190
15046988412cyclictest32752-21nfs_client23:22:200
1499840watchdog/015984-21chrt00:12:290
15046988112cyclictest6083-21mailstats23:42:000
243550800irq/11-eth013630-21latency_hist00:06:490
2177328014sleep021846-21rt-features22:47:120
15046988012cyclictest19082-21aten2.4_r3power19:07:260
1499800watchdog/030746-21munin-node23:17:130
1499800watchdog/019634-21sshd00:25:210
15046987913cyclictest32291-21munin-node21:37:080
15046987912cyclictest30752-21munin-node19:47:160
1499790watchdog/027613-21latency_hist19:36:490
15046987813cyclictest28136-21nfs_client23:07:190
15046987813cyclictest20505-21grep22:42:200
15046987813cyclictest16891-21mailstats19:02:000
15046987812cyclictest9253-21df23:52:070
15046987812cyclictest713-21aten2.4_r3power19:52:330
15046987812cyclictest23500-21nfs_client19:22:180
1499780watchdog/02808-21latency_hist20:01:490
1499780watchdog/018479-21idleruntime22:37:010
15046987713cyclictest4172-21chrt23:35:060
15046987713cyclictest3583-21aten2.4_r3power20:02:240
15046987713cyclictest29936-21timerandwakeup23:12:280
15046987713cyclictest25991-21latency_hist19:31:490
15046987629cyclictest4511-21munin-node21:52:000
15046987613cyclictest6166-21df21:57:090
15046987612cyclictest8414-21missed_timers23:47:320
1899327512sleep019030-21munin-node20:52:240
15046987512cyclictest29368-21df21:27:070
15046987512cyclictest21481-21munin-node19:17:120
1499750watchdog/08114-21nfs_client20:17:210
15046987412cyclictest29149-21latency_hist19:41:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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