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2026-07-27 - 06:55
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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 highest latencies:
System rack4slot2.osadl.org (updated Mon Jul 27, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502570,0irq/46-4a10000012-21ksoftirqd/019:03:590
175739912943,0cyclictest4875-21/usr/sbin/munin23:13:460
175739912636,0cyclictest31916-21seq19:48:270
175739912342,0cyclictest30248-21aten_r4power_en22:53:350
175739912336,0cyclictest19473-21seq19:13:310
175739912334,0cyclictest25189-21seq21:03:370
175739912334,0cyclictest1349-21cstates19:53:370
175739912333,0cyclictest15156-21diskstats20:33:490
175739912251,0cyclictest7350irq/45-4a10000019:18:490
175739912140,0cyclictest30446-21df21:18:440
175739912134,0cyclictest23708-21/usr/sbin/munin20:58:490
175739912132,0cyclictest18441-21cstates23:53:390
175739912131,0cyclictest12041-21seq20:24:040
175739912130,0cyclictest13012-21sendmail-msp23:38:280
175739912129,0cyclictest9078-21runrttasks20:14:260
175739912110,0cyclictest18944-21ntpdc22:19:190
175739912036,0cyclictest22356-21grep20:54:110
175739912035,0cyclictest30834-21seq19:44:040
175739912035,0cyclictest20276-21df_inode22:23:450
175739912033,0cyclictest31784-21cron00:33:230
175739912033,0cyclictest28828-21df_inode19:38:460
175739912031,0cyclictest25558-21fw_conntrack22:39:010
175739911933,0cyclictest288062chrt22:48:450
175739911933,0cyclictest27945-21runrttasks00:19:520
175739911933,0cyclictest23606-21ls19:23:390
175739911832,0cyclictest28536-21/usr/sbin/munin00:23:360
175739911832,0cyclictest22549-21grep00:04:190
175739911831,0cyclictest4926-21forks20:03:500
175739911830,0cyclictest20817-21/usr/sbin/munin23:59:290
175739911830,0cyclictest18728-21fw_forwarded_lo20:43:540
175739911812,0cyclictest23588-21df22:33:420
175739911749,0cyclictest7350irq/45-4a10000023:03:420
175739911736,0cyclictest2780-21sendmail-msp19:59:170
175739911733,0cyclictest28268-21runrttasks22:47:370
175739911733,0cyclictest16955-21fschecks_time23:48:520
175739911732,0cyclictest32454-21/usr/sbin/munin21:24:020
175739911732,0cyclictest27185-21seq21:08:510
175739911732,0cyclictest14293-21runrttasks23:40:100
175739911728,0cyclictest7509-21seq20:10:300
175739911713,0cyclictest1777-21memory21:29:050
175739911639,0cyclictest0-21swapper23:48:170
175739911634,0cyclictest5582-21cat21:39:320
175739911631,0cyclictest27115-21df_inode19:33:460
175739911631,0cyclictest18791-21runrttasks19:09:390
175739911630,0cyclictest13454-21/usr/sbin/munin20:28:480
175739911626,0cyclictest10079-21cut20:18:530
175739911542,0cyclictest7350irq/45-4a10000021:59:080
175739911530,0cyclictest7515-21chrt23:20:330
175739911529,0cyclictest9217-21runrttasks23:25:310
175739911527,0cyclictest17840-21runrttasks20:40:580
175739911511,0cyclictest32366-21fschecks_time22:58:590
175739911444,0cyclictest7350irq/45-4a10000021:48:440
175739911434,0cyclictest22377-21runrttasks22:29:150
175739911430,0cyclictest3747-21runrttasks23:09:170
175739911429,0cyclictest23687-21/usr/sbin/munin00:08:500
175739911427,0cyclictest26505-21runrttasks00:17:080
175739911411,0cyclictest9717-21aten_r4power_cu21:53:330
175739911349,0cyclictest12-21ksoftirqd/022:04:220
175739911335,0cyclictest25213-21aten_r4power_vo19:28:360
175739911333,0cyclictest32454-21seq00:33:590
175739911328,0cyclictest29794-21seq21:16:040
175739911311,0cyclictest6881-21sed21:44:040
175739911211,0cyclictest17219-21ntpdc22:14:110
175739911210,0cyclictest3213-21/usr/sbin/munin21:33:510
175739911134,0cyclictest15037-21df22:08:410
175739911026,0cyclictest438-21snmpd20:51:520
175739911018,0cyclictest10775-21users23:29:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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