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2025-12-30 - 01:51
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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 Tue Dec 30, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/07978-21kworker/0:119:04:110
14991340watchdog/026780-21aten2.4-expect21:24:350
2460501100irq/11-eth04665-21runrttasks21:59:140
14991060watchdog/032502-21df_inode21:44:150
2460501050irq/11-eth03978-21chrt21:56:080
14991050watchdog/03019-21runrttasks00:03:390
823501040irq/14-ide013565-21cron22:28:530
14991040watchdog/03019-21runrttasks23:49:230
14991030watchdog/06539-21expr22:04:270
14991010watchdog/030609-21latency_hist23:23:550
1499990watchdog/02707-21latency_hist23:38:550
1499980watchdog/021066-21runrttasks22:52:070
246050970irq/11-eth02625-21seq21:52:570
246050960irq/11-eth03019-21runrttasks20:42:210
82350940irq/14-ide020061-21df19:19:130
1499940watchdog/03019-21runrttasks21:39:110
246050920irq/11-eth027819-21munin-node23:14:170
1499920watchdog/07790-21aten2.4_r3power20:24:150
1499910watchdog/03019-21runrttasks20:44:110
1499910watchdog/024588-21munin-node19:34:070
1499910watchdog/021979-21needreboot22:54:270
1499900watchdog/030380-21runrttasks19:52:030
16595988912cyclictest7978-21aten2.4_r3power22:09:230
1499890watchdog/016872-21mailstats20:54:070
246050880irq/11-eth032662chrt23:39:190
1499880watchdog/08189-21aten2.4_r3power23:54:350
1499880watchdog/03019-21runrttasks21:34:510
1499880watchdog/03019-21runrttasks20:03:590
1499880watchdog/03019-21runrttasks19:15:230
1499880watchdog/013682-21open_inodes00:14:070
82350870irq/14-ide025915-21idleruntime-cro23:08:530
1499860watchdog/013122-21seq00:10:310
1499850watchdog/030867-21ntpq23:24:110
1499850watchdog/025229-21aten2.4_r3power21:19:310
2342728411sleep023478-21nfs_client22:59:240
1499830watchdog/09729-21aten2.4_r3power20:29:270
1499830watchdog/027572-21latency_hist19:43:550
1499830watchdog/024211-21runrttasks19:32:030
16595988213cyclictest6699-21find20:19:310
16595988212cyclictest15268-21munin-node20:49:210
16595988013cyclictest10832-21swap20:34:140
1499800watchdog/032280-21munin-node19:59:110
1499800watchdog/0178722chrt19:10:390
2806327912sleep028065-21munin-node21:29:220
16595987913cyclictest32664-21sshd23:29:230
16595987913cyclictest30885-21df19:54:120
16595987913cyclictest19083-21grep22:44:370
16595987912cyclictest15762-21nfs_client22:34:250
1499790watchdog/04972-21needreboot23:44:270
16595987812cyclictest21949-21aten2.4_r3power19:24:240
16595987812cyclictest11067-21nfs_client00:04:240
16595987812cyclictest10630-21mailstats22:19:070
246050770irq/11-eth017649-21ls22:39:380
16595987714cyclictest21436-21munin-node21:09:280
16595987713cyclictest3019-21runrttasks00:33:170
16595987713cyclictest22976-21sendmail_mailtr21:14:050
16595987713cyclictest19830-21munin-node00:34:270
16595987712cyclictest15209-21munin-node00:19:180
1499770watchdog/05370-21aten2.4_r3power20:14:390
16595987613cyclictest13716-21mailstats22:29:060
16595987612cyclictest9467-21open_files22:14:170
16595987612cyclictest3388-21aten2.4_r3power20:09:220
16595987612cyclictest19064-21aten2.4_r3power20:59:350
16595987512cyclictest17784-21runrttasks00:25:450
1499750watchdog/0211892sleep021:07:510
16595987412cyclictest27677-21munin-node19:44:040
16595987412cyclictest26573-21nfs_client23:09:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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