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2025-12-13 - 15:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Sat Dec 13, 2025 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
978699694,59cyclictest10191-21sendmail_mailqu07:09:390
978699694,59cyclictest10191-21sendmail_mailqu07:09:390
9790995922,31cyclictest554-21dbus-daemon08:39:321
949725912,17sleep00-21swapper/007:08:540
9786995617,34cyclictest31424-21fschecks_time12:24:430
921725610,16sleep20-21swapper/207:05:352
9786995525,25cyclictest6703-21grep09:50:000
9786995516,32cyclictest3005-21users09:40:050
978699543,45cyclictest382-21systemd-journal11:19:280
9790995321,27cyclictest28576-21unixbench_singl12:14:571
9786995318,29cyclictest28518-21/usr/sbin/munin09:25:020
9786995317,30cyclictest2092-21switchtime11:04:550
9786995311,36cyclictest12895-21irqstats11:34:470
9786995310,37cyclictest24696-21irqstats10:39:500
93392536,15sleep30-21swapper/307:07:003
979699524,42cyclictest0-21swapper/212:27:532
9790995220,28cyclictest807-21wc09:34:591
9790995214,32cyclictest17981-21tr07:29:461
978699523,42cyclictest25856-21irqstats07:49:520
9786995223,25cyclictest32616-21fschecks_time09:34:470
9786995222,26cyclictest17675-21switchtime10:19:570
9786995218,29cyclictest29882-21aten_rbpower_vo10:54:390
9786995218,29cyclictest22813-21unixbench_singl07:40:030
9786995215,31cyclictest14252-21users10:10:070
9786995212,34cyclictest20664-21proc_pri11:54:520
9786995212,33cyclictest25762-21fschecks_count12:09:420
9786995212,33cyclictest25762-21fschecks_count12:09:420
980299514,42cyclictest0-21swapper/307:17:023
980299514,42cyclictest0-21swapper/307:17:023
9796995113,6cyclictest12360-21latency_hist11:34:292
9790995120,26cyclictest7461-21needreboot11:19:501
979099512,44cyclictest15163-21timerandwakeup07:20:021
979099512,44cyclictest15163-21timerandwakeup07:20:021
9790995117,28cyclictest6085-21unixbench_multi11:14:581
9790995116,30cyclictest638-21runrttasks10:40:471
978699519,36cyclictest382-21systemd-journal11:04:290
9786995120,27cyclictest30311-21grep08:00:020
978699512,43cyclictest11391-21sshd10:04:460
9786995118,27cyclictest20307-21latency07:34:540
9786995117,27cyclictest6948-21wc08:24:580
9786995116,29cyclictest15636-21fschecks_count08:49:470
9786995114,32cyclictest559-21in:imuxsock08:39:320
9786995113,33cyclictest3991-21switchtime11:09:550
9786995111,34cyclictest3249-21switchtime08:15:000
92012516,15sleep10-21swapper/107:05:221
979699504,40cyclictest0-21swapper/210:39:482
979699503,42cyclictest0-21swapper/211:34:582
979699503,15cyclictest30172-21munin-run09:29:312
979699501,44cyclictest327-21jbd2/dm-1-808:55:042
9790995020,25cyclictest28300-21munin-plugin-st09:24:311
9790995019,26cyclictest638-21runrttasks12:00:581
9790995019,26cyclictest638-21runrttasks12:00:581
9790995019,26cyclictest21520-21latency_hist11:59:281
9790995016,29cyclictest638-21runrttasks11:14:231
9790995015,30cyclictest6167-21tail09:49:511
9790995014,30cyclictest638-21runrttasks09:05:141
9786995019,25cyclictest14627-21sort11:39:430
9786995017,28cyclictest8650-21aten_rbpower_cu11:24:400
9786995016,28cyclictest12740-21mii-tool07:14:470
9786995016,28cyclictest12740-21mii-tool07:14:470
9786995015,30cyclictest26595-21latency10:44:480
9786995015,29cyclictest31087-21netstat09:29:520
9786995015,28cyclictest21037-21aten_rbpower_cu09:04:410
9786995013,32cyclictest26918-21fschecks_count09:19:450
9786995012,33cyclictest27828-21missed_timers07:54:510
9786995012,32cyclictest15301-21unixbench_multi07:20:030
9786995012,32cyclictest15301-21unixbench_multi07:20:030
9786995010,34cyclictest12608-21switchtime08:40:010
979099497,35cyclictest29909-21needreboot12:19:481
979099496,37cyclictest17395-21runrttasks10:19:501
979099496,35cyclictest9447-21proc_pri11:24:531
979099493,40cyclictest2243-21basename12:34:271
9790994918,24cyclictest15064-21tune2fs10:14:441
9790994917,27cyclictest638-21runrttasks08:40:271
9790994917,27cyclictest638-21runrttasks08:00:271
9790994917,26cyclictest638-21runrttasks12:07:401
9790994917,26cyclictest638-21runrttasks12:07:401
9790994916,28cyclictest638-21runrttasks08:58:221
9790994916,28cyclictest638-21runrttasks08:29:321
9790994915,29cyclictest638-21runrttasks08:33:341
9790994915,29cyclictest25347-21aten_rbpower_cu07:49:441
9790994915,29cyclictest10829-21awk07:09:461
9790994915,29cyclictest10829-21awk07:09:461
9790994915,28cyclictest26428-21sort12:09:541
9790994915,28cyclictest26428-21sort12:09:541
9790994914,29cyclictest13547-21/usr/sbin/munin08:45:011
979099491,42cyclictest13625-21unixbench_singl11:34:591
978699499,34cyclictest18996-21timerandwakeup11:49:560
978699493,40cyclictest23408-21latency_hist12:04:290
978699493,40cyclictest23408-21latency_hist12:04:290
978699492,42cyclictest24115-21unixbench_multi09:10:050
9786994914,30cyclictest3469-21timerandwakeup12:34:550
9786994914,29cyclictest24724-21grep07:45:040
9786994913,30cyclictest16542-21latency07:24:530
9786994912,32cyclictest19511-21fschecks_time08:59:470
9786994912,31cyclictest15806-21switchtime10:14:570
9786994910,33cyclictest31333-21uniq08:04:480
978699491,43cyclictest10718-21fschecks_count11:29:430
979699484,38cyclictest0-21swapper/212:04:532
979699484,38cyclictest0-21swapper/212:04:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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