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2026-04-17 - 02:27
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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 Fri Apr 17, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502090,0irq/45-4a1000009001-21kworker/0:319:00:310
296579912842,0cyclictest23561-21/usr/sbin/munin20:21:260
296579912636,0cyclictest17931-21runrttasks20:06:020
296579912612,0cyclictest31325-21df23:55:420
296579912555,0cyclictest7350irq/45-4a10000022:50:530
296579912434,0cyclictest11663-21runrttasks21:21:270
296579912337,0cyclictest15059-21/usr/sbin/munin23:06:250
296579912332,0cyclictest4380-21memory22:36:110
296579912136,0cyclictest31652-21kernelversion22:21:080
296579912133,0cyclictest5987-21kernelversion21:06:040
296579912132,0cyclictest7641-21idleruntime22:46:010
296579912130,0cyclictest27841-21chrt20:35:410
296579912128,0cyclictest16240-21seq20:01:040
296579912036,0cyclictest19729-21/usr/sbin/munin21:46:100
296579912031,0cyclictest30001-21runrttasks22:16:080
296579912030,0cyclictest20540-21chrt20:14:160
296579911941,0cyclictest0-21swapper20:54:410
296579911940,0cyclictest11642-21/usr/sbin/munin19:46:260
296579911939,0cyclictest30070-21df_inode19:05:480
296579911931,0cyclictest27169-21runrttasks20:32:340
296579911930,0cyclictest8030-21sendmail_mailtr19:36:200
296579911849,0cyclictest7350irq/45-4a10000022:56:100
296579911832,0cyclictest3562-21seq19:25:020
296579911737,0cyclictest0-21swapper22:44:080
296579911735,0cyclictest0-21swapper19:32:520
296579911732,0cyclictest16779-21runrttasks23:11:280
296579911731,0cyclictest6610-21runrttasks00:16:450
296579911730,0cyclictest16962-21runrttasks21:37:470
296579911729,0cyclictest8631-21seq00:24:220
296579911729,0cyclictest25642-21runrttasks20:29:030
296579911728,0cyclictest21212-21grep21:50:540
296579911642,0cyclictest10024-21runrttasks00:26:500
296579911637,0cyclictest3463-21runrttasks22:34:150
296579911636,0cyclictest0-21swapper20:56:150
296579911635,0cyclictest27922-21df_abs22:10:460
296579911632,0cyclictest10075-21seq19:42:250
296579911631,0cyclictest32175-21runrttasks20:46:380
296579911631,0cyclictest23715-21chrt21:57:080
296579911631,0cyclictest13019-21/usr/sbin/munin19:51:170
296579911628,0cyclictest14457-21seq19:55:570
296579911628,0cyclictest11613-21unixbench_singl00:31:250
296579911627,0cyclictest25671-21runrttasks23:39:040
296579911625,0cyclictest28295-21runrttasks23:46:140
296579911529,0cyclictest9279-21fschecks_time21:15:550
296579911528,0cyclictest31860-21munin-node19:10:470
296579911528,0cyclictest21078-21sed20:15:460
296579911528,0cyclictest12480-21/usr/sbin/munin23:00:410
296579911432,0cyclictest24958-21/usr/sbin/munin22:01:150
296579911430,0cyclictest5315-21cron21:05:260
296579911427,0cyclictest29992-21meminfo23:51:080
296579911411,0cyclictest8778-21sendmail-msp21:15:290
296579911411,0cyclictest23436-21chrt23:31:220
296579911335,0cyclictest26811-21sendmail_mailst23:41:190
296579911326,0cyclictest20630-21runrttasks23:24:480
296579911311,0cyclictest29831-21fschecks_time20:40:540
296579911233,0cyclictest3355-21sshd00:08:150
296579911230,0cyclictest539-21seq22:25:440
296579911230,0cyclictest13453-21seq21:27:070
296579911228,0cyclictest5093-21runrttasks00:13:260
296579911226,0cyclictest1086-21/usr/sbin/munin00:01:160
296579911211,0cyclictest20807-21sed23:25:300
296579911132,0cyclictest17901-21idleruntime21:41:020
296579911129,0cyclictest27048-21seq22:06:330
296579911128,0cyclictest4311-21latency19:26:060
296579911117,0cyclictest15070-21users21:31:290
296579910915,0cyclictest18041-21meminfo23:16:080
296579910815,0cyclictest511-21cpuspeed19:15:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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