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2025-07-12 - 13:03
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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 highest latencies:
System rack3slot7.osadl.org (updated Sat Jul 12, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940390watchdog/031442-21kworker/0:119:01:490
14991430watchdog/04453-21latency19:17:010
14991310watchdog/030059-21df_inode00:11:450
14991280watchdog/02629-21aten2.4-expect00:26:570
14991260watchdog/013737-21missed_timers19:47:050
14991250watchdog/023042-21seq23:47:330
14991210watchdog/02996-21runrttasks00:22:370
14991200watchdog/017826-21df_inode20:01:450
14991200watchdog/011391-21mailstats21:26:330
14991190watchdog/02996-21runrttasks21:38:170
14991180watchdog/02996-21runrttasks20:46:370
14991180watchdog/02996-21runrttasks20:26:330
14991180watchdog/02364-21unixbench_singl22:41:450
14991180watchdog/010242-21aten2.4_r3power21:21:490
14991170watchdog/02996-21runrttasks22:20:210
14991170watchdog/023972-21df_inode22:06:450
14991160watchdog/02613-21nfs_client20:56:530
14991150watchdog/019454-21munin-node20:06:450
14991140watchdog/031810-21nfs_client00:16:490
14991130watchdog/05096-21latency_hist19:21:210
14991120watchdog/028245-21munin-node00:06:410
14991120watchdog/022688-21awk20:16:530
14991110watchdog/04630-21chrt00:33:370
14991110watchdog/024714-21sshd23:53:410
14991110watchdog/019759-21ls23:37:010
14991090watchdog/031694-21df_inode22:31:450
14991080watchdog/028615-21df_inode20:36:450
14991070watchdog/029828-21latency_hist20:41:210
14991060watchdog/09169-21aten2.4_r3power19:32:050
14991040watchdog/02996-21runrttasks21:03:130
2435501030irq/11-eth010116-21df_inode19:36:470
14991010watchdog/016021-21munin-node21:41:330
2435501000irq/11-eth029860-21seq22:26:320
243550970irq/11-eth07653-21runrttasks22:57:420
243550910irq/11-eth01431-21aten2.4_r3power19:07:040
32751988712cyclictest2342-21cpu19:11:440
32751988612cyclictest15794-21latency_hist23:26:210
1612228612sleep016183-21awk19:56:400
32751988525cyclictest8478-21df_inode23:01:420
32751988412cyclictest27030-21df_inode00:01:430
32751988312cyclictest8405-21df21:16:420
32751988312cyclictest21125-21nfs_client21:56:530
243550830irq/11-eth014184-21seq23:20:440
83850820irq/14-ide025711-21grep22:11:540
32751988213cyclictest32745-21munin-node23:41:300
32751988213cyclictest2996-21runrttasks23:15:320
32751988211cyclictest20587-21latency_hist20:11:210
243550820irq/11-eth018770-21seq23:35:330
1499820watchdog/07361-21aten2.4-expect21:11:570
1499820watchdog/02996-21runrttasks22:37:570
243550810irq/11-eth0495-21munin-node20:51:550
1499810watchdog/04178-21kernelversion22:46:570
32751988013cyclictest23675-21latency_hist20:21:210
32751988012cyclictest28291-21munin-node22:21:580
1499800watchdog/02996-21runrttasks21:07:090
32751987914cyclictest10225-21nfs_client23:06:530
32751987913cyclictest17997-21nfs_client21:46:540
32751987913cyclictest11907-21nfs_client19:41:540
243550790irq/11-eth05381-21seq22:51:440
1499790watchdog/027769-21chrt20:32:410
32751987813cyclictest2996-21runrttasks19:52:340
32751987813cyclictest22624-21nfs_client22:01:510
32751987813cyclictest16148-21aten2.4-expect23:26:400
32751987813cyclictest13107-21aten2.4_r3power21:31:420
1499780watchdog/06823-21if_eth019:26:330
32751987713cyclictest19304-21df_inode21:51:470
32751987413cyclictest25640-21nfs_client23:56:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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