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2026-08-21 - 12:41
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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 Fri Aug 21, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140170ksoftirqd/014966-21kworker/0:018:57:260
14991170watchdog/020162-21sendmail_mailqu00:17:410
14991140watchdog/014770-21mailstats00:02:090
14991130watchdog/012560-21cstates20:22:410
14991100watchdog/026433-21cstates21:07:410
14991100watchdog/016542-21aten2.4_r3power22:22:170
14991090watchdog/021196-21cpu22:37:210
14991080watchdog/05885-21unixbench_singl21:47:210
14991080watchdog/02792-21runrttasks23:07:410
14991060watchdog/02792-21runrttasks20:46:290
14991060watchdog/010811-21sh23:47:370
14991040watchdog/07263-21ntp_offset21:52:170
1499970watchdog/028397-21runrttasks21:15:330
1499960watchdog/025141-21chrt19:18:480
1499950watchdog/030109-21idleruntime-cro21:21:570
1499950watchdog/02792-21runrttasks23:55:090
1499940watchdog/016423-21df00:07:170
1499930watchdog/07201-21df23:37:170
1499930watchdog/013192-21munin-node23:57:130
1499930watchdog/012048-21unixbench_singl22:07:210
1499920watchdog/014152-21aten2.4_r3power20:27:410
1499920watchdog/010011-21cron22:01:570
1499910watchdog/021195-21df_inode00:22:210
1499910watchdog/01422-21needreboot21:32:290
1499900watchdog/031767-21munin-node21:27:410
1499900watchdog/02302-21cron19:51:570
1499900watchdog/022708-21df_inode00:27:210
1499900watchdog/015995-21seq22:20:210
80650880irq/14-ide020843-21cron20:51:560
19221988820cyclictest6365-21aten2.4_r3power23:32:410
1499870watchdog/029136-21iostat19:32:200
1499870watchdog/02792-21runrttasks23:44:330
1499860watchdog/022716-21aten2.4-expect22:42:170
1499840watchdog/0888-21munin-node23:17:090
1499840watchdog/0370-21seq23:14:170
1499840watchdog/02792-21runrttasks00:14:410
19221988319cyclictest23008-21nfs_client20:57:270
19221988313cyclictest31720-21latency_hist19:41:570
1499830watchdog/07570-21cut20:07:250
1499830watchdog/03869-21latency_hist21:41:570
1499830watchdog/026106-21nfs_client19:22:240
1499830watchdog/015159-21df_inode20:32:210
1499830watchdog/010578-21unixbench_singl20:17:210
19221988220cyclictest27653-21nfs_client22:57:280
19221988213cyclictest2841-21aten2.4-expect23:22:240
1499820watchdog/036032sleep019:54:330
1499820watchdog/029229-21needreboot23:02:290
1499820watchdog/025916-21df_inode22:52:210
1499820watchdog/025417-21seq22:51:490
1499810watchdog/0284632sleep019:30:520
1499810watchdog/021968-21chrt19:08:080
19221988021cyclictest19417-21aten2.4_r3power19:02:030
1499800watchdog/05932-21grep20:02:210
1499800watchdog/04406-21expr23:27:290
1499800watchdog/024628-21head21:02:290
1499800watchdog/022970-21iostat19:12:200
1499800watchdog/019756-21gzip22:32:210
1499800watchdog/013263-21mailstats22:12:090
19221987939cyclictest10367-21aten2.4_r3power22:02:180
1499790watchdog/04309-21awk19:57:210
1499790watchdog/031646-21apt21:26:570
1499790watchdog/017888-21awk22:27:090
1499790watchdog/016628-21awk20:37:210
19221987813cyclictest10117-21latency_hist20:16:580
1499780watchdog/04814-21ls21:42:410
1499780watchdog/032029-21aten2.4_r3power19:42:160
1499780watchdog/021351-21sed20:52:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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