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2026-08-18 - 01:53
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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 Aug 18, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502840,0irq/46-4a10000012-21ksoftirqd/019:05:310
141509912835,0cyclictest19141-21runrttasks19:20:520
141509912739,0cyclictest10379-21/usr/sbin/munin22:05:220
141509912442,0cyclictest0-21swapper19:51:500
141509912441,0cyclictest18886-21/usr/sbin/munin20:55:220
141509912439,0cyclictest32261-21/usr/sbin/munin20:00:060
141509912335,0cyclictest5034-21fw_conntrack20:15:060
141509912332,0cyclictest23270-21/usr/sbin/munin19:34:360
141509912330,0cyclictest8474-21chrt23:35:090
141509912233,0cyclictest12626-21runrttasks20:36:390
141509912138,0cyclictest15114-21/usr/sbin/munin22:19:590
141509912133,0cyclictest6197-21sendmail-msp20:20:320
141509912130,0cyclictest10820-21seq20:30:500
141509912047,0cyclictest7350irq/45-4a10000019:40:300
141509912043,0cyclictest29587-21/usr/sbin/munin21:25:450
141509912039,0cyclictest30325-21aten_r4power_vo19:54:490
141509912039,0cyclictest25145-21aten_r4power_po21:14:470
141509912039,0cyclictest11609-21/usr/sbin/munin22:09:510
141509912036,0cyclictest17662-21users19:15:540
141509911941,0cyclictest7350irq/45-4a10000000:00:240
141509911935,0cyclictest2514-21seq20:07:440
141509911933,0cyclictest22847-21runrttasks00:16:400
141509911932,0cyclictest8425-21runrttasks22:00:110
141509911932,0cyclictest30405-21/usr/sbin/munin23:04:520
141509911931,0cyclictest803-21runrttasks23:13:040
141509911841,0cyclictest0-21swapper20:50:400
141509911840,0cyclictest19946-21aten_r4power_cu22:34:440
141509911834,0cyclictest25722-21/usr/sbin/munin00:25:260
141509911832,0cyclictest454-21snmpd20:42:330
141509911831,0cyclictest27223-21fw_forwarded_lo22:55:070
141509911829,0cyclictest23837-21fw_conntrack19:35:040
141509911742,0cyclictest0-21swapper23:55:170
141509911739,0cyclictest3987-21runrttasks23:21:020
141509911739,0cyclictest20069-21aten_r4power_vo20:59:510
141509911737,0cyclictest31257-21unixbench_singl21:30:330
141509911732,0cyclictest11981-21/usr/sbin/munin23:45:130
141509911730,0cyclictest26798-21cut19:44:380
141509911729,0cyclictest21347-21runrttasks00:13:270
141509911640,0cyclictest0-21swapper21:21:500
141509911633,0cyclictest21338-21sshd19:27:500
141509911631,0cyclictest22703-21/usr/sbin/munin22:40:510
141509911630,0cyclictest18077-21runrttasks22:29:240
141509911629,0cyclictest16075-21chrt20:46:470
141509911626,0cyclictest3333-21fw_forwarded_lo20:10:070
141509911535,0cyclictest32540-21missed_timers21:35:200
141509911534,0cyclictest18740-21if_eth022:30:100
141509911529,0cyclictest6452-21cstates23:29:500
141509911433,0cyclictest5625-21seq21:50:350
141509911431,0cyclictest26823-21aten_r4power_po00:29:460
141509911431,0cyclictest26408-21sshd22:52:490
141509911431,0cyclictest24450-21users00:20:520
141509911431,0cyclictest24020-21/usr/sbin/munin21:10:170
141509911427,0cyclictest1816-21/usr/sbin/munin21:40:320
141509911340,0cyclictest7350irq/45-4a10000000:05:190
141509911334,0cyclictest491-21runrttasks23:14:580
141509911329,0cyclictest13533-21fschecks_time22:15:050
141509911327,0cyclictest8406-21chrt20:25:020
141509911327,0cyclictest29883-21runrttasks00:38:260
141509911327,0cyclictest24067-21/usr/sbin/munin22:45:230
141509911310,0cyclictest10191-21chrt23:40:180
141509911230,0cyclictest15706-21seq19:13:370
141509911229,0cyclictest3071-21cstates21:44:510
141509911226,0cyclictest7820-21runrttasks21:59:280
141509911226,0cyclictest22884-21seq21:06:400
141509911145,0cyclictest0-21swapper23:53:510
141509911138,0cyclictest0-21swapper23:24:570
141509911112,0cyclictest30041-21kworker/u2:223:04:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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