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2025-11-18 - 00:52
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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 Mon Nov 17, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/027365-21kworker/0:106:53:170
14991340watchdog/011100-21sh11:08:240
14991330watchdog/025607-21wc10:08:480
14991270watchdog/020273-21df08:08:240
838501240irq/14-ide030382-21seq06:58:040
14991240watchdog/012356-21latency_hist11:13:040
2435501110irq/11-eth04592-21latency_hist09:03:030
2435501070irq/11-eth02996-21runrttasks08:35:180
838501040irq/14-ide030794-21latency_hist10:28:050
14991030watchdog/02996-21runrttasks10:32:320
14991020watchdog/04630-21load07:18:240
2435501010irq/11-eth014023-21idleruntime07:48:170
14991000watchdog/03890-21timerandwakeup10:43:480
1499980watchdog/012403-21munin-node09:28:160
1499970watchdog/016598-21chrt11:25:360
1499970watchdog/014615-21processes11:18:440
83850960irq/14-ide032586-21df10:33:220
1499960watchdog/02996-21runrttasks07:07:000
1499950watchdog/02996-21runrttasks08:24:480
1499940watchdog/028278-21cut12:03:320
1499940watchdog/02658-21runrttasks08:55:240
1499940watchdog/020408-21df_inode11:38:280
1499930watchdog/027591-21chrt08:32:040
1499920watchdog/02120-21needreboot12:23:400
243550910irq/11-eth01963-21munin-node10:38:300
1499910watchdog/019707-21runrttasks08:05:480
1499910watchdog/018989-21sh09:48:320
1499900watchdog/08047-21df_inode09:13:280
1499900watchdog/02996-21runrttasks10:13:440
1499900watchdog/024486-21runrttasks10:07:000
1499890watchdog/015764-21awk07:53:280
1499870watchdog/09408-21munin-node07:33:200
1499870watchdog/0763-21wc12:18:480
1499870watchdog/031143-21aten2.4_r3power08:43:240
30388988611cyclictest8414-21aten2.4_r3power10:58:380
1499860watchdog/027832-21munin-node10:18:480
83850840irq/14-ide07888-21df07:28:240
1499830watchdog/014154-21cat09:33:240
1499830watchdog/013803-21apt-get07:48:040
30388988223cyclictest10008-21aten2.4_r3power09:18:420
30388988214cyclictest9368-21mailstats11:03:180
30388988212cyclictest17312-21df_inode07:58:270
1499820watchdog/05443-21timerandwakeup10:48:480
1499820watchdog/023150-21latency_hist08:18:040
30388988130cyclictest18448-21latency_hist11:33:040
30388988112cyclictest4677-21munin-node09:03:150
30388988112cyclictest10849-21munin-node09:23:470
243550810irq/11-eth06874-21aten2.4_r3power09:08:410
30388988012cyclictest21881-21aten2.4_r3power09:58:260
1499800watchdog/0323362sleep012:18:000
243550790irq/11-eth07334-31uname07:25:490
30388987812cyclictest2996-21runrttasks11:56:080
30388987812cyclictest26292-21munin-node11:58:180
30388987812cyclictest18745-21df11:33:230
30388987811cyclictest10844-21munin-node07:38:230
1499780watchdog/02996-21runrttasks08:14:000
30388987713cyclictest29712-21df_inode08:38:270
30388987712cyclictest6738-21nfs_client10:53:340
30388987712cyclictest29681-21df_inode12:08:290
30388987712cyclictest2853-21munin-node07:13:420
30388987712cyclictest23210-21munin-node11:48:270
30388987711cyclictest22121-21nfs_client11:43:350
30388987711cyclictest17145-21df09:43:240
30388987711cyclictest15978-21nfs_client09:38:340
30388987612cyclictest2996-21runrttasks09:55:350
30388987412cyclictest32684-21aten2.4_r3power08:48:250
30388987313cyclictest1285-21munin-node07:08:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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