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2026-06-10 - 15:56
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Wed Jun 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502110,0irq/45-4a10000022892-21kworker/0:107:09:510
41682978,0sleep04193-21sshd08:50:460
7450960,0irq/46-4a1000008549-21wget10:40:050
7450960,0irq/46-4a10000019669-21ls09:35:500
7450950,0irq/46-4a1000009311-21sensors_temp12:15:510
7450950,0irq/46-4a10000013903-21grep09:20:180
7450950,0irq/46-4a10000010645-21irqstats09:10:270
1857999550,0cyclictest0-21swapper10:55:380
7450940,0irq/46-4a100000452-21snmpd12:05:300
7450940,0irq/46-4a100000452-21snmpd08:58:560
7450940,0irq/46-4a10000025687-21cpuspeed08:20:070
7450940,0irq/46-4a10000022701-21memory09:45:340
7450940,0irq/46-4a10000015085-21chrt07:49:410
7450940,0irq/46-4a10000012538-21ntp_states10:50:390
1857999460,0cyclictest0-21swapper10:05:510
7450930,0irq/46-4a1000007863-21runrttasks07:26:250
7450930,0irq/46-4a1000006819-21aten_r4power_vo10:35:050
7450930,0irq/46-4a10000030708-21aten_r4power_po10:10:030
7450930,0irq/46-4a1000002972-21chrt08:48:230
7450930,0irq/46-4a10000029272-21grep11:40:210
7450930,0irq/46-4a10000028110-21sensors_temp11:35:500
7450930,0irq/46-4a10000024345-21runrttasks11:25:310
7450930,0irq/46-4a10000017807-21/usr/sbin/munin11:05:460
7450920,0irq/46-4a1000005106-21aten_r4power_vo07:20:050
7450920,0irq/46-4a100000452-21snmpd12:35:470
7450920,0irq/46-4a10000031148-21irqstats08:35:300
7450920,0irq/46-4a10000030594-21grep11:44:550
7450920,0irq/46-4a10000029026-21cpu08:30:040
7450920,0irq/46-4a10000027679-21sshd10:00:250
7450920,0irq/46-4a10000026648-21runrttasks09:56:250
7450920,0irq/46-4a1000002620-21ntp_kernel_err07:10:370
7450920,0irq/46-4a10000024675-21sensors_temp08:15:490
7450920,0irq/46-4a10000023295-21chrt08:12:010
7450920,0irq/46-4a10000020991-21sshd08:05:360
7450920,0irq/46-4a10000020925-21kernelversion09:40:310
7450920,0irq/46-4a10000020265-21awk08:04:530
7450920,0irq/46-4a10000016080-21awk11:00:460
7450920,0irq/46-4a10000015698-21fw_forwarded_lo07:50:230
7450920,0irq/46-4a10000012554-21open_files07:40:420
7450920,0irq/46-4a10000010569-21fw_conntrack07:35:220
7450920,0irq/46-4a10000010448-21df_inode12:20:120
7350920,0irq/45-4a1000007319-21meminfo09:00:320
2461829210,0sleep024651-21sendmail_mailtr09:50:470
1857999257,0cyclictest0-21swapper10:45:280
1857999257,0cyclictest0-21swapper10:25:230
7450910,0irq/46-4a1000009291-21grep07:30:450
7450910,0irq/46-4a1000008630-21df09:05:070
7450910,0irq/46-4a1000005013-21/usr/sbin/munin10:30:240
7450910,0irq/46-4a100000452-21snmpd12:10:340
7450910,0irq/46-4a1000003168-21idleruntime-cro11:59:520
7450910,0irq/46-4a100000316-21fw_forwarded_lo10:15:230
7450910,0irq/46-4a10000027708-21seq08:25:260
7450910,0irq/46-4a10000027096-21munin-run11:34:540
7450910,0irq/46-4a10000020980-21meminfo11:15:320
7450910,0irq/46-4a10000019268-21meminfo11:10:300
7450910,0irq/46-4a10000017822-21sendmail_mailtr09:30:470
7450910,0irq/46-4a10000015560-21df_inode09:25:110
7450910,0irq/46-4a10000014832-21runrttasks12:32:320
7450910,0irq/46-4a10000013398-21cron09:19:520
7450910,0irq/46-4a10000012583-21/usr/sbin/munin12:25:400
7450910,0irq/46-4a1000001121-21chrt11:52:150
7450900,0irq/46-4a1000003764-21fw_forwarded_lo12:00:240
7450900,0irq/46-4a10000032388-21wget08:40:020
7450900,0irq/46-4a10000022291-21cstates11:20:080
7450900,0irq/46-4a10000017475-21irqstats07:55:270
7350900,0irq/45-4a1000004440-1kworker/u3:207:17:290
7450890,0irq/46-4a1000001817-21df10:20:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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