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2025-07-02 - 07:07
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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 Wed Jul 02, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/012074-21kworker/0:019:05:210
14991280watchdog/032400-21df_inode21:52:230
14991280watchdog/022817-21latency_hist19:36:590
14991270watchdog/01463-21df_inode21:57:230
14991230watchdog/011922-21latency_hist22:31:590
14991200watchdog/021597-21df_inode21:17:230
14991200watchdog/015495-21df_inode20:57:230
14991190watchdog/02996-21runrttasks21:43:550
14991190watchdog/018728-21seq19:22:270
14991180watchdog/030512-21munin-node23:32:270
14991160watchdog/013769-21swap22:37:230
14991150watchdog/03224-21runrttasks22:02:270
14991140watchdog/030813-21aten2.4_r3power20:02:190
14991140watchdog/028770-21seq19:55:430
14991130watchdog/029357-21unixbench_singl23:27:270
14991120watchdog/019189-21chrt22:53:390
2435501110irq/11-eth032159-21mailstats20:07:110
14991110watchdog/08748-21runrttasks20:36:110
2435501090irq/11-eth027108-21runrttasks23:20:190
2435501070irq/11-eth04785-21nfs_client23:52:330
2435501050irq/11-eth028490-21seq21:38:370
2435501030irq/11-eth011929-21runrttasks20:46:580
2435501010irq/11-eth07420-21mailstats22:17:120
2435501010irq/11-eth05405-21runrttasks20:23:560
243550990irq/11-eth021910-21aten2.4_r3power23:02:380
83850950irq/14-ide08999-21df00:07:210
243550930irq/11-eth020601-21munin-node19:27:420
83850920irq/14-ide015512-21iostat22:42:260
243550900irq/11-eth017331-21timerandwakeup00:32:420
31890ksoftirqd/02996-21runrttasks21:14:460
1499890watchdog/09220-21aten2.4_r3power20:37:190
1499890watchdog/05003-21cut22:07:390
1499890watchdog/024011-21runrttasks21:24:510
1499880watchdog/012539-21nfs_client20:47:270
1499870watchdog/016903-21aten2.4_r3power21:02:190
1499870watchdog/014145-21aten2.4_r3power00:22:350
243550850irq/11-eth024981-21nfs_client19:42:310
13380988512cyclictest11969-21munin-node00:17:410
1499840watchdog/025237-21cstates21:27:430
1499840watchdog/017854-21chrt22:50:190
13380988413cyclictest23616-21aten2.4_r3power19:37:420
13380988413cyclictest15176-21munin-node19:12:120
13380988411cyclictest6304-21nfs_client23:57:300
1499820watchdog/018522-21awk21:07:230
243550810irq/11-eth024346-21mailstats23:12:090
1499810watchdog/02996-21runrttasks19:49:510
1499810watchdog/02135-21runrttasks23:43:310
13380988012cyclictest6446-21nfs_client20:27:300
1499790watchdog/073282sleep000:02:030
13380987913cyclictest13532-21aten2.4_r3power19:07:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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