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2025-04-02 - 08:22
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot4.osadl.org (updated Wed Apr 02, 2025 00:46:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3236026222882269,9sleep23229158-21kworker/2:4+events@
dbs_work_handler
19:05:362
3236931991211,105cyclictest0-21swapper/022:40:550
3236931991211,105cyclictest0-21swapper/022:40:550
32369319911757,40cyclictest0-21swapper/019:10:260
3236931991141,99cyclictest3485209-21ssh00:13:020
3236931991141,99cyclictest0-21swapper/021:40:410
32369319911351,22cyclictest0-21swapper/000:35:340
343611521100,5sleep20-21swapper/223:29:242
3236931991101,96cyclictest0-21swapper/000:30:400
32369319910861,36cyclictest3303080-21aten2_r3power_p21:30:190
3236931991082,61cyclictest3472327-21/usr/sbin/munin00:00:230
3236931991062,77cyclictest0-21swapper/019:40:390
3236931991062,77cyclictest0-21swapper/019:40:380
3236931991061,62cyclictest13-21ksoftirqd/022:35:270
3236931991061,62cyclictest13-21ksoftirqd/022:35:270
32369319910540,14cyclictest13-21ksoftirqd/020:15:210
3236931991052,91cyclictest0-21swapper/021:25:390
32369319910342,28cyclictest0-21swapper/019:20:230
32369319910342,28cyclictest0-21swapper/019:20:220
32369319910340,30cyclictest3428120-21timerwakeupswit23:20:430
32369319910314,29cyclictest3361169-21rm22:20:470
32369319910232,31cyclictest3385526-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:50:140
3236931991021,77cyclictest0-21swapper/021:55:430
3236931991021,77cyclictest0-21swapper/021:55:430
3236931991021,60cyclictest3433195-21ssh23:26:010
32369319910146,23cyclictest0-21swapper/020:30:150
32369319910146,23cyclictest0-21swapper/020:30:140
32369319910138,55cyclictest3356300-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:29:150
3236931991001,57cyclictest0-21swapper/023:32:460
3236931999857,20cyclictest0-21swapper/019:20:000
3236931999754,24cyclictest14250irq/98-imx_mu_c22:10:250
3236931999742,24cyclictest0-21swapper/020:10:230
3236931999742,24cyclictest0-21swapper/020:10:220
3236931999738,25cyclictest15-21rcuc/021:00:410
323693199971,59cyclictest0-21swapper/021:13:340
323693199961,67cyclictest3281770-21diskmemload21:15:350
3236931999541,26cyclictest3325499-21sed21:50:150
3236931999530,27cyclictest3335648-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:30:030
3236931999520,29cyclictest3329099-21kworker/0:1+pm@
pm_runtime_work
23:00:020
3236931999515,38cyclictest13-21ksoftirqd/023:50:140
3236931999422,38cyclictest13-21ksoftirqd/021:35:180
323693199936,7cyclictest68-21kcompactd023:15:040
323693199931,44cyclictest3373714-1kworker/0:0H+kblockd@
blk_mq_run_work_fn
00:10:000
3236931999238,14cyclictest64350irq/528-eth0-Tx22:15:170
3236931999233,22cyclictest0-21swapper/020:00:310
3236931999233,16cyclictest3428539-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:40:590
3236938999176,8cyclictest3394265-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:20:581
323693199915,59cyclictest3419111-21kworker/u12:0+flush-179:96@
wb_workfn
23:13:590
3236931999131,20cyclictest0-21swapper/000:20:280
3236931999027,34cyclictest14-21rcu_preempt23:02:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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