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2025-09-04 - 07:01
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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 50 highest latencies:
System rack3slot7.osadl.org (updated Thu Sep 04, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/014315-21kworker/0:118:58:100
14991440watchdog/022529-21df_inode22:38:170
14991340watchdog/09851-21latency_hist21:57:530
14991300watchdog/014278-21runrttasks23:56:450
14991240watchdog/02996-21runrttasks23:50:170
14991240watchdog/019495-21rt-features22:28:170
14991230watchdog/0326482sleep023:10:330
14991220watchdog/021505-21wc20:48:370
14991210watchdog/03217-21runrttasks19:49:450
14991200watchdog/013734-21munin-node20:23:370
14991190watchdog/024254-21nfs_client22:43:210
14991170watchdog/07379-21munin-node23:33:210
14991160watchdog/02996-21runrttasks19:06:250
14991160watchdog/021172-21nfs_client22:33:210
14991130watchdog/07737-21seq21:48:530
14991130watchdog/011988-21vmstat22:03:250
14991100watchdog/06135-21cstates23:28:370
14991100watchdog/014770-21aten2.4_r3power23:58:130
14991100watchdog/011526-21idleruntime20:18:090
13644211011sleep013675-21aten2.4_r3power22:08:340
14991080watchdog/0265922sleep021:06:330
14991080watchdog/018053-21aten2.4_r3power00:08:170
32126210712sleep032162-21sh21:23:260
14991070watchdog/08243-21latency_hist23:37:530
14991070watchdog/027788-21aten2.4-expect22:53:370
14991060watchdog/0989-21head23:13:170
14991060watchdog/023959-21df20:58:130
14991050watchdog/024890-21seq00:30:130
14991050watchdog/021155-21aten2.4_r3power00:18:210
14991040watchdog/02996-21runrttasks19:47:010
14991040watchdog/015040-21nfs_client22:13:210
14991020watchdog/030203-21aten2.4_r3power19:33:130
14991010watchdog/04206-21nfs_client23:23:210
14991000watchdog/04503-21sed21:38:370
14991000watchdog/022241-21munin-node19:08:050
83850990irq/14-ide05147-21latency_hist19:57:530
243550990irq/11-eth02996-21runrttasks23:46:260
243550980irq/11-eth017313-21runrttasks20:36:210
83850970irq/14-ide016185-21df22:18:110
243550950irq/11-eth030659-21aten2.4_r3power21:18:310
243550940irq/11-eth025830-21nfs_client22:48:240
243550920irq/11-eth02996-21runrttasks20:13:210
2746628312sleep027473-21kernelversion21:08:310
20449988313cyclictest23798-21munin-node19:13:300
20449988312cyclictest29970-21sendmail_mailtr23:03:030
83850820irq/14-ide0746-21df21:28:120
20449988214cyclictest4539-21munin-node19:53:380
20449988212cyclictest2996-21runrttasks20:44:480
20449988212cyclictest14986-21nfs_client20:28:230
20449988112cyclictest32219-21aten2.4_r3power19:38:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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