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2025-12-10 - 06:46
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Wed Dec 10, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502420,0irq/46-4a10000025241-1kworker/u3:119:05:580
255089912644,0cyclictest8388-21/usr/sbin/munin21:23:350
255089912640,0cyclictest21776-21grep22:03:100
255089912638,0cyclictest5344-21runrttasks19:40:190
255089912334,0cyclictest10744-21cron19:57:340
255089912237,0cyclictest1133-21seq21:03:260
255089912231,0cyclictest26091-21/usr/sbin/munin19:08:140
255089912152,0cyclictest7350irq/45-4a10000022:18:240
255089912134,0cyclictest14654-21diskstats20:08:060
255089912133,0cyclictest6404-21tune2fs22:53:100
255089912132,0cyclictest27878-21runrttasks20:47:110
255089912040,0cyclictest0-21swapper00:07:570
255089912033,0cyclictest32138-21/usr/sbin/munin22:33:200
255089912032,0cyclictest8820-21seq19:50:500
255089911939,0cyclictest19751-21df_abs20:23:010
255089911933,0cyclictest7312-21seq21:21:110
255089911932,0cyclictest21658-21df23:37:580
255089911931,0cyclictest28392-21diskstats20:48:060
255089911929,0cyclictest30505-21/usr/sbin/munin20:53:340
255089911832,0cyclictest20247-21irqstats23:33:200
255089911830,0cyclictest24123-21grep23:43:380
255089911830,0cyclictest12905-21seq21:37:530
255089911828,0cyclictest30752-21sendmail_mailtr22:28:360
255089911734,0cyclictest8413-21/usr/sbin/munin00:33:200
255089911731,0cyclictest28521-21/usr/sbin/munin22:23:100
255089911730,0cyclictest17341-21chrt21:49:150
255089911730,0cyclictest12041-21runrttasks19:59:000
255089911723,0cyclictest4335-21copy00:23:100
255089911631,0cyclictest1412-21irqstats22:38:250
255089911548,0cyclictest12-21ksoftirqd/020:34:280
255089911536,0cyclictest27961-21runrttasks23:56:190
255089911534,0cyclictest11047-21/usr/sbin/munin21:33:260
255089911527,0cyclictest18035-21aten_r4power_en23:27:520
255089911526,0cyclictest13960-21runrttasks23:13:570
255089911439,0cyclictest0-21swapper19:24:310
255089911434,0cyclictest13098-21runrttasks20:03:150
255089911433,0cyclictest2916-21df00:17:590
255089911430,0cyclictest30314-21/usr/sbin/munin19:18:250
255089911429,0cyclictest16653-21tune2fs23:23:090
255089911428,0cyclictest4887-21meminfo22:48:200
255089911428,0cyclictest25195-21runrttasks20:38:210
255089911427,0cyclictest6069-21cat00:27:390
255089911344,0cyclictest7350irq/45-4a10000019:43:140
255089911333,0cyclictest28155-21cstates19:13:170
255089911331,0cyclictest3403-21seq19:33:410
255089911330,0cyclictest19027-21seq21:54:020
255089911330,0cyclictest14357-21apt-get21:44:140
255089911329,0cyclictest14639-21aten_r4power_en23:17:530
255089911328,0cyclictest16511-21chrt20:13:140
255089911326,0cyclictest30097-21/usr/sbin/munin00:02:580
255089911325,0cyclictest4722-21irqstats21:13:190
255089911313,0cyclictest1569-21meminfo00:13:210
255089911244,0cyclictest12-21ksoftirqd/023:49:140
255089911242,0cyclictest12-21ksoftirqd/021:28:020
255089911235,0cyclictest19748-21aten_r4power_vo21:57:540
255089911233,0cyclictest10727-21runrttasks23:05:280
255089911228,0cyclictest1885-21runrttasks19:30:110
255089911226,0cyclictest29514-21runrttasks23:59:470
255089911144,0cyclictest12-21ksoftirqd/022:07:470
255089911142,0cyclictest12-21ksoftirqd/020:57:510
255089911138,0cyclictest21640-21fschecks_time20:28:090
255089911132,0cyclictest3131-21missed_timers21:08:290
255089911132,0cyclictest25356-21irqstats22:13:540
255089911129,0cyclictest11120-21runrttasks23:07:440
255089911040,0cyclictest12-21ksoftirqd/020:17:460
255089911038,0cyclictest0-21swapper22:57:520
255089910833,0cyclictest3112-21irqstats22:43:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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