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2025-11-16 - 02:12
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sun Nov 16, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502730,0irq/46-4a1000007378-1kworker/u3:219:07:170
91849912339,0cyclictest25046-21runrttasks19:52:250
91849912330,0cyclictest12421-21seq22:24:160
91849912233,0cyclictest15941-21/usr/sbin/munin19:25:270
91849912134,0cyclictest16663-21runrttasks22:36:550
91849912044,0cyclictest21254-21/usr/sbin/munin00:24:260
91849912040,0cyclictest20366-21aten_r4power_en21:13:490
91849912032,0cyclictest12716-21users19:14:580
91849911940,0cyclictest24029-21aten_r4power_cu00:33:480
91849911938,0cyclictest0-21swapper00:14:170
91849911934,0cyclictest31389-21missed_timers23:19:220
91849911932,0cyclictest1921-21/usr/sbin/munin20:19:090
91849911932,0cyclictest14582-21ls22:29:340
91849911928,0cyclictest21338-21seq19:40:020
91849911840,0cyclictest0-21swapper00:19:310
91849911835,0cyclictest30441-21cat20:08:360
91849911834,0cyclictest5474-21fw_forwarded_lo22:04:080
91849911834,0cyclictest13300-21runrttasks00:01:170
91849911834,0cyclictest0-21swapper21:20:450
91849911833,0cyclictest7936-21users23:44:380
91849911831,0cyclictest15482-21df_inode20:58:570
91849911827,0cyclictest20144-21latency_hist19:38:360
9184991178,0cyclictest15422-21/usr/sbin/munin00:08:450
91849911737,0cyclictest5287-21fschecks_time20:29:090
91849911734,0cyclictest1155-21seq21:51:230
91849911731,0cyclictest25527-21ls19:53:550
91849911731,0cyclictest19202-21fw_conntrack22:44:100
91849911731,0cyclictest14498-21runrttasks19:20:120
91849911729,0cyclictest8092-21runrttasks20:38:060
91849911638,0cyclictest30618-21/usr/sbin/munin21:43:430
91849911636,0cyclictest0-21swapper23:12:410
91849911634,0cyclictest22469-21cpu00:28:540
91849911633,0cyclictest23802-21/usr/sbin/munin21:23:480
91849911633,0cyclictest10727-21memory20:45:040
91849911628,0cyclictest9479-21/usr/sbin/munin19:08:540
91849911627,0cyclictest5601-21runrttasks23:39:060
91849911627,0cyclictest25299-21runrttasks23:02:220
91849911539,0cyclictest0-21swapper20:55:380
91849911537,0cyclictest8656-21/usr/sbin/munin20:39:030
91849911533,0cyclictest10423-21df_abs22:18:580
91849911532,0cyclictest22615-21ntpdc19:44:340
91849911531,0cyclictest4436-21seq20:26:070
91849911530,0cyclictest29247-21runrttasks23:13:560
91849911529,0cyclictest11965-21df_abs20:48:570
91849911528,0cyclictest1883-21df_inode21:53:590
91849911512,0cyclictest8890-21fw_forwarded_lo22:14:090
91849911511,0cyclictest14783-21threads00:05:310
91849911510,0cyclictest27453-21fschecks_count19:59:240
91849911442,0cyclictest0-21swapper21:29:250
91849911441,0cyclictest12-21ksoftirqd/021:38:480
91849911435,0cyclictest10360-21aten_r4power_po23:53:500
91849911434,0cyclictest6665-21chrt22:08:340
91849911433,0cyclictest8837-21df_abs23:48:560
91849911344,0cyclictest12-21ksoftirqd/020:03:490
91849911337,0cyclictest0-21swapper22:39:080
91849911335,0cyclictest7450irq/46-4a10000022:49:060
91849911334,0cyclictest283122sleep021:35:010
91849911331,0cyclictest17144-21fschecks_count19:29:050
91849911327,0cyclictest32669-21/usr/sbin/munin20:14:120
91849911233,0cyclictest22621-21fw_conntrack22:54:120
91849911230,0cyclictest20153-21cron21:13:300
91849911214,0cyclictest16891-21apt-get21:03:470
91849911212,0cyclictest544-21irqstats23:24:180
91849911019,0cyclictest3918-21meminfo21:59:220
91849911015,0cyclictest3725-21df_inode23:34:000
91849911012,0cyclictest26672-21users23:04:380
91849910841,0cyclictest12-21ksoftirqd/023:29:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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