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2026-05-22 - 16:51
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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 highest latencies:
System rack5slot7.osadl.org (updated Fri May 22, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364224022166,183sleep00-21swapper19:04:140
593991059,72cyclictest3628-21latency_hist23:21:030
5939910321,57cyclictest7450-21memory21:57:250
5939910311,70cyclictest9248-21ssh23:37:020
5939910219,46cyclictest13646-21munin-run22:16:000
5939910217,63cyclictest32441-21apt-get21:36:160
5939910217,21cyclictest21213-21df_inode00:11:500
5939910213,24cyclictest27271-21apt-get21:21:260
5939910119,60cyclictest29351-21munin-run00:36:020
5939910118,63cyclictest21100-21irqstats22:37:060
5939910117,44cyclictest10324-21apt-get22:06:160
5939910114,47cyclictest16117-21fw_conntrack23:56:580
5939910112,25cyclictest24842-21ssh21:13:110
5939910032,49cyclictest0-21swapper21:41:070
5939910018,63cyclictest32678-21apt-get23:11:240
5939910017,22cyclictest25909-21munin-run00:26:000
5939910016,24cyclictest17900-21irqstats00:02:090
5939910015,46cyclictest31552-21/usr/sbin/munin21:32:450
5939910015,23cyclictest6766-21munin-run21:56:000
5939910014,25cyclictest29245-21/usr/sbin/munin23:02:060
593999933,49cyclictest0-21swapper23:43:540
593999918,61cyclictest27529-21apt-get22:56:170
593999916,62cyclictest23146-21memory00:17:190
593999913,23cyclictest26970-21users00:27:490
593999911,65cyclictest16831-21ssh22:24:420
593999815,63cyclictest15630-21ssh23:56:040
593999813,65cyclictest8670-21ssh23:35:470
593999810,69cyclictest13990-21tr20:21:190
593999810,67cyclictest19848-21ps00:07:350
59399979,64cyclictest1903-21df19:11:170
593999719,57cyclictest23684-21munin-run21:11:010
593999718,41cyclictest17472-21df22:26:400
593999717,41cyclictest3981-21memory21:47:170
593999616,61cyclictest13779-21apt-get22:16:170
593999616,42cyclictest2545-21fw_conntrack19:16:440
593999616,20cyclictest20140-21munin-run20:55:590
593999615,63cyclictest0-21swapper22:03:150
593999614,44cyclictest24280-21sh22:46:340
593999614,20cyclictest3731-21ssh23:21:220
593999612,23cyclictest27352-21ssh22:55:500
593999610,67cyclictest5408-21apt-get23:26:270
593999512,62cyclictest20994-21head20:57:040
59399949,26cyclictest26267-21cut21:17:390
593999434,42cyclictest0-21swapper23:48:280
593999432,41cyclictest6032-21ls19:36:230
593999431,45cyclictest0-21swapper19:30:590
593999416,39cyclictest29324-21df_inode21:26:470
593999414,62cyclictest19875-21users22:32:520
593999414,60cyclictest0-21swapper21:01:180
593999413,44cyclictest12945-21munin-run20:15:580
593999413,44cyclictest10805-21grep20:01:500
593999316,21cyclictest31214-21df23:06:370
593999311,22cyclictest5700-21users19:32:070
593999213,58cyclictest22816-21irqstats22:42:100
593999210,61cyclictest3899-21unixbench_singl19:22:070
593999113,41cyclictest9340-21munin-run19:55:590
593999111,45cyclictest18442-21/usr/sbin/munin20:46:450
593999029,44cyclictest0-21swapper19:56:580
593999014,27cyclictest6786-21grep19:41:190
593998915,25cyclictest11605-21/usr/sbin/munin20:06:440
593998817,22cyclictest16501-21users20:32:060
593998816,23cyclictest966-21df_inode19:06:350
593998812,26cyclictest16685-21wget20:36:180
593998718,22cyclictest13817-21users20:17:050
593998717,22cyclictest17960-21memory20:41:450
593998716,23cyclictest7852-21df19:46:270
593998611,25cyclictest14846-21apt-get20:26:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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