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2025-11-21 - 13:52
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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 Fri Nov 21, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502420,0irq/46-4a100000477-1kworker/u3:107:07:400
1288999474,0cyclictest0-21swapper11:54:190
1288999360,0cyclictest0-21swapper12:14:170
7350920,0irq/45-4a10000018039-21meminfo07:54:060
1288999259,0cyclictest0-21swapper09:04:170
8142910,0sleep032581-1kworker/u3:110:13:440
1288999158,0cyclictest0-21swapper11:04:220
1288999158,0cyclictest0-21swapper07:38:530
1288999157,0cyclictest0-21swapper08:49:090
7450900,0irq/46-4a10000016068-21df_inode07:49:080
7350900,0irq/45-4a10000030762-1kworker/u3:108:33:000
7350900,0irq/45-4a1000002409-1kworker/u3:007:09:440
1288999068,0cyclictest0-21swapper10:34:130
1288999059,0cyclictest0-21swapper11:29:230
1288999058,0cyclictest0-21swapper07:24:160
1288999058,0cyclictest0-21swapper07:18:560
1288999054,0cyclictest0-21swapper12:19:180
7450890,0irq/46-4a1000002194-21seq11:53:160
7350890,0irq/45-4a10000026069-21copy09:53:500
1288998966,0cyclictest0-21swapper09:44:150
1288998957,0cyclictest0-21swapper10:54:190
1288998957,0cyclictest0-21swapper07:14:430
7450880,0irq/46-4a100000443-21snmpd09:22:450
7450880,0irq/46-4a10000014446-21cut12:28:390
7350880,0irq/45-4a10000023302-21fw_conntrack11:19:010
1288998866,0cyclictest0-21swapper09:39:170
1288998857,0cyclictest0-21swapper10:02:420
1288998855,0cyclictest0-21swapper10:24:280
1288998853,0cyclictest0-21swapper07:34:170
7450870,0irq/46-4a10000024868-21diskstats11:23:500
7450870,0irq/46-4a10000013100-21/usr/sbin/munin12:24:130
7350870,0irq/45-4a1000006984-1kworker/u3:009:01:290
143272877,0sleep014325-21diskstats07:43:450
1288998767,0cyclictest0-21swapper08:19:030
1288998765,0cyclictest0-21swapper07:29:190
1288998754,0cyclictest0-21swapper08:14:230
7450860,0irq/46-4a100000443-21snmpd11:13:410
7450860,0irq/46-4a10000013438-21swap10:49:220
1288998654,0cyclictest0-21swapper11:59:230
1288998652,0cyclictest0-21swapper08:34:080
7450850,0irq/46-4a100000835-21tune2fs08:38:510
7450850,0irq/46-4a1000007742-21sed12:08:420
7450850,0irq/46-4a10000031509-21/usr/sbin/munin11:43:380
7450850,0irq/46-4a10000029013-21awk11:34:240
7450850,0irq/46-4a10000022574-21seq08:08:300
7450850,0irq/46-4a10000021393-21interrupts08:03:560
7450850,0irq/46-4a10000017566-21/usr/sbin/munin09:29:070
7350850,0irq/45-4a1000002182-21copy10:18:450
291242850,0chrt29047-1kworker/u3:008:26:520
1288998563,0cyclictest0-21swapper11:38:490
1288998553,0cyclictest0-21swapper09:33:360
1288998552,0cyclictest0-21swapper11:08:400
7450840,0irq/46-4a1000009577-21fw_conntrack10:38:570
7450840,0irq/46-4a100000443-21snmpd12:04:130
7450840,0irq/46-4a10000031227-21ls10:08:210
1288998451,0cyclictest0-21swapper09:24:110
7450830,0irq/46-4a1000006648-21runrttasks08:54:250
7450830,0irq/46-4a1000005877-21ls10:28:410
7450830,0irq/46-4a10000029948-21expr10:03:520
7450830,0irq/46-4a10000024730-21df_abs09:48:430
7450830,0irq/46-4a10000020011-21grep07:59:160
7450830,0irq/46-4a10000016453-21fw_forwarded_lo10:59:050
7450830,0irq/46-4a10000013514-21awk09:14:290
7450830,0irq/46-4a10000011192-21fschecks_count10:43:500
7450820,0irq/46-4a1000002611-21fw_forwarded_lo08:43:580
7450820,0irq/46-4a10000011309-21meminfo09:09:020
7350820,0irq/45-4a10000016043-21sort12:33:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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