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2026-08-29 - 10:26
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sat Aug 29, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11460224492181,59sleep00-21swapper18:59:020
117269914565,54cyclictest23757-21irqstats23:42:210
117269914163,36cyclictest27294-21memory23:52:280
117269914066,50cyclictest722-21apt-get21:01:310
117269913964,51cyclictest21388-21/usr/sbin/munin22:02:470
117269913760,54cyclictest9362-21/usr/sbin/munin21:27:440
117269913668,44cyclictest2908-21apt-get00:16:280
117269913663,49cyclictest1358-21fw_conntrack22:37:090
117269913661,51cyclictest17093-21/usr/sbin/munin23:22:400
117269913568,41cyclictest8413-21memory22:57:340
117269913567,46cyclictest21607-21apt-get23:36:280
117269913562,50cyclictest23115-21apt-get22:06:280
117269913559,51cyclictest4217-21apt-get21:11:270
117269913461,49cyclictest19762-21munin-run23:31:100
117269913460,51cyclictest32157-21irqstats22:32:170
117269913459,51cyclictest9567-21apt-get23:01:280
117269913458,35cyclictest32234-21/usr/sbin/munin00:06:580
117269913455,37cyclictest2927-21cpuspeed22:41:470
117269913367,44cyclictest19894-21apt-get23:31:250
117269913361,48cyclictest17843-21munin-run21:51:130
117269913360,48cyclictest6523-21fw_conntrack22:52:070
117269913357,53cyclictest4864-21/usr/sbin/munin00:21:470
117269913279,28cyclictest5935-21apt-get21:16:300
117269913270,44cyclictest14575-21ssh21:41:370
117269913258,50cyclictest19955-21df21:56:520
117269913256,50cyclictest1394-21ssh00:11:450
117269913166,46cyclictest6917-21ssh00:27:340
117269913159,35cyclictest25379-21df_inode23:47:040
117269913158,50cyclictest30375-21fw_conntrack22:27:090
117269913158,48cyclictest2912-21ssh21:07:140
117269913157,50cyclictest31698-21ssh00:05:500
117269913157,34cyclictest18353-21fw_conntrack21:52:110
117269913156,51cyclictest14111-21ssh23:13:360
117269913154,37cyclictest14207-21snmpd22:12:140
117269913066,37cyclictest16968-21apt-get19:31:220
117269913062,45cyclictest12038-21users21:32:570
117269913055,52cyclictest11287-21apt-get23:06:290
117269913053,53cyclictest28503-21ssh23:56:330
117269912957,35cyclictest29617-21grep20:41:300
117269912956,50cyclictest22387-21/usr/sbin/munin20:01:290
117269912868,35cyclictest26570-21apt-get22:16:300
117269912858,48cyclictest12353-21wc19:02:220
117269912858,47cyclictest23464-21df20:06:380
117269912857,51cyclictest8477-21ssh21:22:510
117269912857,48cyclictest4685-21df22:46:500
117269912856,48cyclictest12814-21apt-get21:36:280
117269912758,32cyclictest14766-21ssh23:16:280
117269912756,50cyclictest18449-21grep19:37:080
117269912756,31cyclictest28802-21memory22:22:250
117269912753,51cyclictest14295-21grep19:16:290
117269912669,35cyclictest20570-21apt-get19:51:230
117269912654,32cyclictest18963-21df19:41:360
117269912653,35cyclictest28755-21wget20:36:290
117269912652,52cyclictest21498-21cut19:56:270
117269912554,31cyclictest15151-21/usr/sbin/munin19:22:080
117269912553,49cyclictest13250-21munin-run19:11:090
117269912551,51cyclictest26082-21wc20:21:320
117269912551,34cyclictest14098-21sed19:12:160
117269912549,53cyclictest665-21sed21:01:140
117269912453,31cyclictest20455-21munin-run19:51:100
117269912449,52cyclictest16746-21timerwakeupswit19:27:130
117269912354,49cyclictest31191-21head20:47:140
117269912251,49cyclictest25150-21basename20:16:320
117269912250,33cyclictest27660-21munin-run20:31:080
117269912048,51cyclictest24381-21df20:11:350
117269911862,34cyclictest31847-21ntp_states20:52:040
117269911758,35cyclictest27775-21apt-get20:31:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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