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2026-06-02 - 07:05
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Tue Jun 02, 2026 00:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940360watchdog/016501-21kworker/0:219:02:300
14991280watchdog/08988-21chrt19:42:340
14991190watchdog/026113-21munin-node00:07:420
14991190watchdog/02517-21munin-node22:52:340
14991190watchdog/012660-21cstates23:22:580
14991140watchdog/025192-21chrt00:04:100
14991130watchdog/022607-21munin-node23:57:380
14991130watchdog/01532-21nfs_client21:02:460
14991120watchdog/06156-21aten2.4_r3power19:32:420
14991120watchdog/029887-21runrttasks00:19:420
14991120watchdog/021305-21df20:22:300
14991120watchdog/018247-21sh21:57:340
14991110watchdog/05639-21munin-node23:02:340
14991080watchdog/084682sleep021:25:540
301629810739cyclictest2792-21runrttasks19:10:090
14991070watchdog/028829-21munin-node20:47:380
14991070watchdog/028821-21open_inodes22:32:260
14991040watchdog/022951-21df_inode20:27:380
14991040watchdog/021685-21munin-node23:52:500
14991020watchdog/012220-21rt-features19:52:380
14991000watchdog/019410-21latency_hist23:47:140
30162989936cyclictest31953-21sh00:27:280
30162989934cyclictest2792-21runrttasks23:51:380
30162989932cyclictest10321-21open_inodes21:32:250
30162989836cyclictest32732-21missed_timers20:57:570
30162989836cyclictest31054-21processes20:52:550
30162989836cyclictest18742-21aten2.4-expect20:12:530
30162989834cyclictest2792-21runrttasks21:27:340
30162989829cyclictest7898-21aten2.4_r3power19:37:490
1499980watchdog/02792-21runrttasks21:17:020
1499980watchdog/010336-21if_eth023:17:260
30162989731cyclictest14878-21runrttasks23:32:210
1499970watchdog/022826-21ntp_offset22:12:340
30162989638cyclictest24835-21aten2.4-expect22:17:500
30162989633cyclictest2792-21runrttasks19:21:050
30162989631cyclictest21662-21needreboot22:07:460
30162989630cyclictest7846-21processes23:07:530
1499960watchdog/02792-21runrttasks19:25:580
1499960watchdog/011881-21irqstats21:37:260
30162989534cyclictest27413-21df20:42:330
30162989533cyclictest1788-21missed_timers22:47:580
30162989532cyclictest31948-21munin-node19:12:320
30162989532cyclictest30321-21munin-node00:22:280
1499950watchdog/027270-21mailstats22:27:260
1499950watchdog/014664-21chrt23:31:260
30162989441cyclictest31766-21latency_hist22:42:160
30162989437cyclictest24669-21nfs_client20:32:440
30162989434cyclictest16816-21unixbench_singl23:37:380
30162989434cyclictest15273-21df_inode20:02:360
30162989433cyclictest15490-21needreboot21:47:460
30162989431cyclictest28712-21latency_hist00:17:150
30162989430cyclictest25837-21munin-node20:37:290
1499940watchdog/05042-21runrttasks22:58:180
30162989348cyclictest20011-21forks20:17:400
30162989333cyclictest1324-21unixbench_singl00:32:380
30162989332cyclictest2792-21runrttasks20:10:080
30162989331cyclictest9104-21unixbench_singl23:12:400
30162989331cyclictest16404-21latency_hist21:52:150
1499930watchdog/0103462sleep019:47:260
30162989244cyclictest30768-21forks22:37:400
30162989232cyclictest13663-21df_inode21:42:380
30162989228cyclictest26040-21df_inode22:22:390
30162989144cyclictest19649-21apt22:02:280
30162989137cyclictest4499-21df_inode19:27:370
30162989040cyclictest2824-21egrep21:07:360
30162989038cyclictest2792-21runrttasks19:58:020
30162989036cyclictest5772-21sh21:17:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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