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2025-11-01 - 06:37
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot4.osadl.org (updated Sat Nov 01, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2431715994846,1cyclictest2655156-21fwupd22:26:133
2431711993220,2cyclictest2554590-21diskmemload00:29:182
243171199281,20cyclictest0-21swapper/222:09:352
243171599271,22cyclictest2534477-21apt-get20:50:123
243171599270,25cyclictest2750065-21/usr/sbin/munin23:40:203
2431715992622,2cyclictest2446931-21http19:24:593
243171199263,21cyclictest0-21swapper/219:44:592
2431715992519,4cyclictest2605843-21tr21:50:143
243171599251,21cyclictest2727019-21fw_conntrack23:25:153
2431711992519,5cyclictest2650352-21/usr/sbin/munin22:25:252
2431711992519,4cyclictest2611762-21gpgv21:55:002
2431711992517,1cyclictest191rcu_preempt23:46:352
243171199251,22cyclictest2718081-21ntpq23:15:212
243171199251,22cyclictest2529889-21irqcore20:45:142
243170999251,21cyclictest2473474-21apt-get19:50:141
2431706992521,2cyclictest2549752-21apt-get21:05:120
2431706992521,2cyclictest2514176-21apt-get20:30:150
243170699250,1cyclictest0-21swapper/023:39:340
2431715992420,2cyclictest0-21swapper/320:10:173
2431715992419,2cyclictest0-21swapper/300:30:133
2431715992418,2cyclictest2581115-21sed21:30:163
243171599241,3cyclictest2593161-21apt-get21:40:133
243171599241,3cyclictest2462872-21apt-get19:40:133
243171599241,2cyclictest2660751-21ntpq22:30:203
243171599241,20cyclictest0-21swapper/300:05:413
243171599241,19cyclictest0-21swapper/323:20:173
243171599240,21cyclictest2561610-21apt-get21:15:113
243171599240,21cyclictest2554590-21diskmemload22:40:053
2431711992423,1cyclictest0-21swapper/221:22:312
2431711992419,3cyclictest2565695-21ld21:15:222
2431711992418,4cyclictest2705405-21grep23:05:242
2431711992418,4cyclictest2648057-21ntpq22:20:212
243171199241,3cyclictest2643749-21idleruntime-cro22:20:002
243171199241,2cyclictest2759173-21apt-get23:50:162
243171199241,21cyclictest2554590-21diskmemload00:07:272
243171199241,21cyclictest2437017-21apt-get19:15:112
243171199241,20cyclictest41-21ksoftirqd/223:00:132
243171199241,20cyclictest0-21swapper/223:30:012
2431709992422,1cyclictest0-21swapper/123:30:231
2431709992421,2cyclictest521-21systemd-logind20:10:001
2431709992419,3cyclictest0-21swapper/121:45:121
2431709992418,5cyclictest2816293-21ssh00:36:031
243170999241,3cyclictest2524345-21apt-get20:40:101
243170999241,21cyclictest2458280-21grep19:35:171
243170999241,20cyclictest2452696-21apt-get19:30:121
243170699243,20cyclictest2431700-21cyclictest23:28:030
243170699242,20cyclictest2779873-21apt-get00:10:080
243170699240,22cyclictest2604851-21ssh21:48:230
243171599232,20cyclictest2707262-21/usr/sbin/munin23:10:163
2431715992320,2cyclictest2743765-21ntpq23:35:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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