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2025-11-07 - 00:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot7.osadl.org (updated Thu Nov 06, 2025 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2350224610,15sleep031123-1kworker/u3:005:37:330
31419917717,68cyclictest7745-21apt-get10:12:000
31419916413,50cyclictest14151-21ssh08:48:360
31419916318,40cyclictest17245-21munin-run10:41:440
31419916113,59cyclictest19974-21/usr/sbin/munin09:07:370
31419916017,57cyclictest15726-21df_inode06:47:160
31419916013,25cyclictest27496-21ssh09:32:160
31419916012,48cyclictest1736-21cat09:52:490
31419915819,24cyclictest10694-21memory08:38:030
31419915814,58cyclictest23060-21ls09:18:010
31419915812,25cyclictest28970-21ssh09:36:590
31419915718,24cyclictest18327-21df_inode09:02:290
31419915611,24cyclictest9840-21latency10:17:540
31419915513,45cyclictest28745-21df_inode07:52:350
31419915418,23cyclictest19409-21fw_conntrack10:47:440
31419915416,23cyclictest2752-21memory08:12:560
31419915414,25cyclictest11744-21ssh08:42:000
31419915317,56cyclictest0-21swapper10:01:260
31419915315,31cyclictest22660-21/usr/sbin/munin10:57:470
31419915214,35cyclictest878-21df08:07:240
31419914913,26cyclictest22949-21/usr/sbin/munin07:27:280
31419910311,51cyclictest5358-21wc08:21:460
31419910218,47cyclictest25992-21df09:27:240
31419910121,43cyclictest15766-21users08:53:270
31419910116,23cyclictest21562-21df_inode09:12:340
31419910032,50cyclictest0-21swapper09:48:240
31419910012,48cyclictest7616-21rm10:11:420
31419910010,69cyclictest14766-21/usr/sbin/munin10:33:160
3141999921,58cyclictest8739-21cpu08:32:190
3141999918,58cyclictest10945-21apt-get10:22:010
3141999916,22cyclictest32403-21users08:03:270
3141999915,64cyclictest20595-21apt-get10:52:040
3141999915,22cyclictest30812-21df09:42:330
3141999911,69cyclictest24454-21tr11:03:060
3141999819,59cyclictest25694-21df_inode07:42:230
3141999811,47cyclictest7002-21ssh08:26:490
3141999715,25cyclictest30830-21/usr/sbin/munin07:58:250
3141999710,47cyclictest13349-21ssh10:28:300
3141999640,39cyclictest19070-21apt-get07:07:030
3141999618,59cyclictest4486-21memory05:47:050
3141999616,44cyclictest24838-21irqstats07:37:320
3141999613,22cyclictest18170-21apt-get07:01:580
3141999610,23cyclictest27651-21ssh07:48:210
3141999517,22cyclictest8483-21ssh08:31:490
3141999516,24cyclictest23933-21irqstats07:32:280
3141999514,22cyclictest26037-21memory11:07:580
3141999511,63cyclictest18289-21users10:43:290
3141999511,62cyclictest10021-21cat06:16:460
314199949,63cyclictest4806-21df_abs10:02:280
3141999415,44cyclictest16990-21ntp_states08:58:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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