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2026-03-13 - 11:16
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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 Fri Mar 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2657212300,0chrt1467-1kworker/u3:119:03:420
3077999876,0cyclictest11288-21ntpq21:02:340
3077999775,0cyclictest24050-21runrttasks20:06:040
3077999773,0cyclictest684-21runrttasks22:07:120
3077999672,0cyclictest16985-21runrttasks00:29:000
3077999659,0cyclictest9522-21seq19:22:300
3077999573,0cyclictest16038-21df_inode19:42:070
3077999571,0cyclictest2272-21df22:12:020
3077999473,0cyclictest13769-21runrttasks00:20:340
3077999471,0cyclictest32592-21runrttasks22:06:000
3077999471,0cyclictest20598-21runrttasks21:30:480
3077999471,0cyclictest19021-21cron23:01:460
3077999471,0cyclictest15252-21runrttasks21:13:580
3077999462,0cyclictest25373-21vmstat21:42:480
3077999456,0cyclictest10241-21chrt22:34:530
3077999373,0cyclictest8575-21seq19:20:080
3077999371,0cyclictest20326-21runrttasks23:03:250
3077999357,0cyclictest6163-21ntp_kernel_pll_20:47:360
3077999356,0cyclictest6113-21load19:12:460
3077999356,0cyclictest32608-21runrttasks20:31:130
3077999275,0cyclictest19200-21aten_r4power_en19:51:590
3077999271,0cyclictest10469-21seq21:01:450
3077999270,0cyclictest21108-21df_abs21:32:050
3077999268,0cyclictest7841-21nfs4_client20:52:330
3077999268,0cyclictest14016-21grep19:36:520
3077999257,0cyclictest3775-21runrttasks23:51:520
3077999255,0cyclictest26678-21ntp_kernel_pll_23:22:340
3077999254,0cyclictest24114-21seq21:41:310
3077999177,0cyclictest17912-21/usr/sbin/munin21:22:180
3077999171,0cyclictest28363-21nfs4_client20:17:350
3077999169,0cyclictest28169-21fw_packets23:27:200
3077999169,0cyclictest24802-21irqstats20:07:240
3077999167,0cyclictest4302-21if_eth020:42:220
3077999166,0cyclictest6083-21/usr/sbin/munin22:22:260
3077999166,0cyclictest29947-21runrttasks20:22:240
3077999166,0cyclictest1045-21/usr/sbin/munin23:42:340
3077999157,0cyclictest13054-21/usr/sbin/munin21:07:380
3077999154,0cyclictest721-21seq20:32:150
3077999071,0cyclictest10459-21seq00:11:370
3077999069,0cyclictest32765-21latency_hist23:41:500
3077999069,0cyclictest13232-21cat19:32:410
3077999068,0cyclictest24297-21runrttasks23:16:520
3077999067,0cyclictest21388-21/usr/sbin/munin23:07:220
3077999067,0cyclictest21330-21/usr/sbin/munin19:57:200
3077999067,0cyclictest14350-21/usr/sbin/munin22:47:110
3077999057,0cyclictest11607-21/usr/sbin/munin22:37:440
3077999056,0cyclictest30836-21chrt22:00:330
3077999056,0cyclictest2530-21fw_forwarded_lo23:47:190
3077999055,0cyclictest16951-21seq22:53:530
3077999053,0cyclictest26506-21irqstats20:12:230
3077998973,0cyclictest19632-1kworker/u3:123:12:570
3077998968,0cyclictest3850-21ntp_kernel_pll_19:07:340
3077998966,0cyclictest17892-21cat19:47:170
3077998966,0cyclictest14595-21irqstats00:22:270
3077998965,0cyclictest16055-21df_inode21:17:090
3077998964,0cyclictest4114-21diskstats22:17:120
3077998957,0cyclictest28691-21cat21:52:470
3077998956,0cyclictest11370-21ps19:27:400
3077998955,0cyclictest2248-21chrt20:37:000
3077998954,0cyclictest8214-21unixbench_singl22:27:450
3077998953,0cyclictest6189-21ntpdc23:57:340
3077998869,0cyclictest7227-21/usr/sbin/munin00:02:100
3077998768,0cyclictest29659-21df_abs23:32:050
3077998764,0cyclictest17992-21irqstats00:32:250
3077998757,0cyclictest11011-21/usr/sbin/munin00:12:140
3077998756,0cyclictest26289-21modprobe21:47:070
3077998664,0cyclictest12326-21date22:41:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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