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2025-11-12 - 00:01
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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 Tue Nov 11, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501920,0irq/46-4a10000022151-21runrttasks07:08:130
9242979,0sleep0915-21apt-get09:13:590
7450950,0irq/46-4a10000029276-21ntp_states12:10:330
7450950,0irq/46-4a10000025479-21fw_forwarded_lo10:24:510
7450950,0irq/46-4a10000023386-21cut11:54:000
7450940,0irq/46-4a10000017306-21wc08:25:440
7450940,0irq/46-4a1000001232-21cpuspeed10:49:060
2813829413,0sleep028129-21apt-get07:23:560
7450930,0irq/46-4a10000030973-21runrttasks07:30:110
7450930,0irq/46-4a10000027367-21runrttasks12:04:280
7450930,0irq/46-4a10000025038-21/usr/sbin/munin11:59:020
7450930,0irq/46-4a10000024137-21unixbench_singl08:44:490
7450930,0irq/46-4a10000020012-21aten_r4power_vo11:44:030
7450930,0irq/46-4a10000015548-21swap09:54:460
295032930,0chrt27958-1kworker/u3:010:35:160
22265999372,0cyclictest0-21swapper10:14:380
7450920,0irq/46-4a1000008545-21sendmail_mailtr07:59:420
7450920,0irq/46-4a1000008085-21cstates11:09:040
7450920,0irq/46-4a1000005218-21/usr/sbin/munin12:34:370
7450920,0irq/46-4a1000003263-21meminfo09:19:300
7450920,0irq/46-4a10000025467-21open_inodes07:14:560
7450920,0irq/46-4a10000020979-21chrt08:36:390
7450920,0irq/46-4a10000016229-21runrttasks11:33:000
7450920,0irq/46-4a10000013460-21interrupts09:49:260
7450920,0irq/46-4a10000011189-21sendmail11:18:420
7450920,0irq/46-4a10000011056-21ls08:08:450
7450920,0irq/46-4a10000010227-21/usr/sbin/munin08:04:410
22265999271,0cyclictest0-21swapper07:39:280
823629111,0sleep08238-21fw_conntrack09:34:190
7450910,0irq/46-4a1000006076-21runrttasks09:28:580
7450910,0irq/46-4a1000005442-21users09:24:490
7450910,0irq/46-4a1000004929-21fw_conntrack10:59:180
7450910,0irq/46-4a1000004176-21latency_hist07:48:450
7450910,0irq/46-4a1000003826-21users10:54:520
7450910,0irq/46-4a10000031251-21users12:14:560
7450910,0irq/46-4a10000030318-21diskstats09:04:290
7450910,0irq/46-4a10000030274-21cat10:39:040
7450910,0irq/46-4a10000026730-21df_inode07:19:090
7450910,0irq/46-4a10000025123-21df_inode08:49:110
7450910,0irq/46-4a10000024147-21swap10:19:430
7450910,0irq/46-4a10000022335-21sed07:08:460
7450910,0irq/46-4a10000018794-21ntp_states10:04:380
7450910,0irq/46-4a10000014533-21/usr/sbin/munin08:19:020
7450910,0irq/46-4a1000001363-21df12:24:040
7450900,0irq/46-4a10000032279-21chrt09:09:310
7450900,0irq/46-4a10000031866-21grep10:44:000
7450900,0irq/46-4a10000026874-21chrt10:29:080
7450900,0irq/46-4a10000021674-21grep08:39:060
7450900,0irq/46-4a10000018262-21df_inode08:29:110
7450900,0irq/46-4a10000016583-21cstates09:59:060
7450900,0irq/46-4a10000012424-21users11:19:520
7350900,0irq/45-4a1000002719-21apt-get12:29:520
22265999057,0cyclictest0-21swapper07:34:180
183892900,0sleep017907-1kworker/u3:111:39:040
7450890,0irq/46-4a1000009503-21/usr/sbin/munin09:39:410
7450890,0irq/46-4a1000006552-21/usr/sbin/munin11:04:150
7450890,0irq/46-4a1000006266-21/usr/sbin/munin07:54:140
7450890,0irq/46-4a1000002894-21fschecks_count07:44:150
7450890,0irq/46-4a10000028479-21/usr/sbin/munin08:59:070
7450890,0irq/46-4a10000026827-21df_abs08:54:070
7450890,0irq/46-4a10000023250-21copy11:53:460
7450890,0irq/46-4a10000013269-21fw_forwarded_lo08:14:210
7450890,0irq/46-4a10000012571-21chrt09:46:570
7450880,0irq/46-4a10000032215-21diskstats12:19:100
7450880,0irq/46-4a10000021127-21runrttasks10:11:530
7450880,0irq/46-4a10000016700-21grep11:34:060
7450880,0irq/46-4a10000013146-21wget11:24:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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