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2026-06-11 - 20:56
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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 Thu Jun 11, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502390,0irq/45-4a10000028669-21kworker/0:107:06:070
7450970,0irq/46-4a10000026953-21kernelversion10:00:290
7450970,0irq/46-4a10000019468-21sendmail-msp09:39:510
7450970,0irq/46-4a10000016532-21fschecks_time07:55:160
7450940,0irq/46-4a10000017857-21/usr/sbin/munin11:10:360
7450940,0irq/46-4a10000014342-21sendmail-msp10:59:510
32526999458,0cyclictest0-21swapper12:25:270
7450930,0irq/46-4a1000007809-21cstates12:15:040
7450930,0irq/46-4a1000005992-21aten_r4power_po10:35:020
7450930,0irq/46-4a1000005034-21sendmail_mailst07:20:420
7450930,0irq/46-4a10000023720-21/usr/sbin/munin11:25:380
7450930,0irq/46-4a10000019897-21forks08:05:140
7450930,0irq/46-4a10000017003-21runrttasks09:30:410
7450930,0irq/46-4a10000016768-21memory11:05:330
7450930,0irq/46-4a10000013360-21meminfo09:20:320
32526999361,0cyclictest0-21swapper07:30:000
32526999360,0cyclictest0-21swapper08:25:420
32526999359,0cyclictest0-21swapper11:35:180
7450920,0irq/46-4a1000006973-21chrt12:10:500
7450920,0irq/46-4a1000004940-21/usr/sbin/munin10:30:380
7450920,0irq/46-4a1000003147-21missed_timers07:15:550
7450920,0irq/46-4a10000031262-21runrttasks11:48:450
7450920,0irq/46-4a10000020097-21/usr/sbin/munin11:15:290
7450920,0irq/46-4a10000020069-21if_err_eth009:40:240
7450920,0irq/46-4a10000015938-21runrttasks11:04:110
7450920,0irq/46-4a1000001476-21/usr/sbin/munin11:55:360
7450920,0irq/46-4a10000013935-21runrttasks07:46:470
32526999269,0cyclictest0-21swapper07:50:160
32526999264,0cyclictest0-21swapper10:05:470
1477029211,0sleep014768-21diskstats09:25:150
7450910,0irq/46-4a1000009673-21fschecks_count07:35:170
7450910,0irq/46-4a1000007500-21/usr/sbin/munin09:04:520
7450910,0irq/46-4a1000004191-21/usr/sbin/munin08:55:330
7450910,0irq/46-4a10000032274-21proc_pri11:50:390
7450910,0irq/46-4a10000028371-21df_abs08:30:080
7450910,0irq/46-4a1000002754-21df_abs12:00:120
7450910,0irq/46-4a10000024994-21df_inode11:30:100
7450910,0irq/46-4a10000024929-21sed09:55:070
7450910,0irq/46-4a10000023922-21grep08:15:460
7450910,0irq/46-4a10000023284-21runrttasks09:50:090
7450910,0irq/46-4a10000022332-21runrttasks08:10:490
7450910,0irq/46-4a10000014489-21aten_r4power_en12:35:000
7450910,0irq/46-4a10000014301-21cron12:34:490
7450910,0irq/46-4a10000011722-21ntp_states09:15:380
7450910,0irq/46-4a10000011025-21/usr/sbin/munin07:40:240
7450910,0irq/46-4a1000001015-21chrt10:20:080
7450900,0irq/46-4a1000008143-21irqstats09:05:260
7450900,0irq/46-4a1000007820-21cstates10:40:070
7450900,0irq/46-4a1000006736-21sendmail_mailst07:25:410
7450900,0irq/46-4a1000005344-21runrttasks12:06:150
7450900,0irq/46-4a10000031821-21df_inode10:15:110
7450900,0irq/46-4a1000002962-21fw_forwarded_lo10:25:200
7450900,0irq/46-4a10000025317-21memory08:20:350
7450900,0irq/46-4a10000022510-21seq09:47:000
7450900,0irq/46-4a10000021289-21/usr/sbin/munin11:20:160
7450900,0irq/46-4a10000018574-21open_files08:00:400
7450900,0irq/46-4a1000001464-21ntp_kernel_pll_08:45:360
7450900,0irq/46-4a10000012128-21runrttasks10:51:040
7450900,0irq/46-4a10000010983-21runrttasks10:49:540
7450900,0irq/46-4a10000010516-21runrttasks09:11:490
7450900,0irq/46-4a10000010409-21users12:20:510
32526999059,0cyclictest0-21swapper07:10:450
7450890,0irq/46-4a10000030056-21sed10:10:080
7450890,0irq/46-4a10000029676-21runrttasks11:44:470
32526998957,0cyclictest0-21swapper08:50:290
7350880,0irq/45-4a10000024278-1kworker/u3:208:35:140
7450870,0irq/46-4a10000031732-21cstates08:40:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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