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2026-05-17 - 10:27
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Sun May 17, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84434622630,3chrt844344-21ntpq20:25:350
83554222460,2sleep0835544-21wc19:55:050
88447222210,2sleep0884474-21grep22:50:130
86897422010,2sleep0868976-21idleruntime-cro21:55:000
88753021990,2sleep0887532-21netstat23:00:310
82589621990,2sleep0825898-21sort19:20:080
85432321930,3chrt854318-21ntpq21:01:130
82298299189158,19cyclictest910510-21kworker/u2:000:35:040
82867721880,2sleep0828678-21date19:30:070
89551121840,4chrt895514-21latency_hist23:30:070
87126621800,2sleep0871268-21timerandwakeup22:01:200
82660721780,2sleep0826609-21grep19:21:180
90023221760,3chrt900230-21ntp_states23:45:590
89746521740,3chrt897456-21ntpq23:36:060
90313321710,4chrt903132-21awk23:56:160
90642321700,3chrt906424-21date00:10:070
89306321700,3chrt892803-21/usr/sbin/munin23:20:290
83892921690,4chrt838928-21ld20:06:040
83302121680,2sleep0833022-21/usr/sbin/munin19:45:210
85573921670,3chrt855738-21/usr/sbin/munin21:06:150
82298299166136,19cyclictest901029-21kworker/u2:000:00:130
82298299152122,20cyclictest825792-21kworker/u2:219:41:150
89079021470,3sleep0890792-21timerwakeupswit23:11:200
82298299146119,18cyclictest853689-21kworker/u2:321:17:230
82298299145117,18cyclictest872276-21kworker/u2:222:26:200
82298299143113,19cyclictest836929-21kworker/u2:120:16:170
82298299136106,20cyclictest866218-21kworker/u2:121:46:020
91465421350,3chrt914655-21cron00:40:010
82298299133104,20cyclictest836929-21kworker/u2:120:11:130
82298299133102,20cyclictest860647-21kworker/u2:121:35:410
82298299130100,19cyclictest872276-21kworker/u2:222:15:030
86203521270,2sleep0862034-21sh21:30:030
90769521260,2sleep0907693-21cron00:15:010
90188621240,3sleep0901890-21wc23:51:200
91112921220,2sleep0911130-21collect200:26:070
8229829912092,19cyclictest872276-21kworker/u2:222:40:040
8229829912091,19cyclictest842988-21kworker/u2:220:30:330
85705721160,2sleep0857058-21uname21:11:010
8229829911688,18cyclictest847196-21kworker/u2:120:40:370
8229829911686,20cyclictest866218-21kworker/u2:122:05:380
87536721140,3sleep0875369-21swap22:16:190
8229829911384,20cyclictest872276-21kworker/u2:222:20:560
85368621100,2sleep0853685-21true21:00:030
8229829910677,19cyclictest908206-21kworker/u2:100:24:590
8229829910577,19cyclictest884333-21kworker/u2:023:08:560
822982999769,19cyclictest827658-21kworker/u2:119:28:390
822982999766,20cyclictest872276-21kworker/u2:222:40:290
822982999464,19cyclictest83-21jbd2/mmcblk0p2-22:35:000
822982999264,19cyclictest886143-21kworker/u2:222:59:100
822982999060,19cyclictest860647-21kworker/u2:121:30:130
8606522890,3sleep0860653-21/usr/sbin/munin21:25:030
822982998658,19cyclictest825792-21kworker/u2:219:58:380
822982998657,18cyclictest882929-21kworker/u2:122:45:590
822982998555,19cyclictest863915-21kworker/u2:021:40:180
82249928421,21sleep00-21swapper19:06:090
822982998356,17cyclictest842988-21kworker/u2:220:21:180
822982998353,19cyclictest866218-21kworker/u2:122:00:070
822982998152,19cyclictest825792-21kworker/u2:219:40:010
822982997446,19cyclictest847196-21kworker/u2:120:37:390
822982997143,19cyclictest884333-21kworker/u2:023:16:570
822982997044,18cyclictest819230-21kworker/u2:019:10:300
90794726911,49sleep0907976-21if_eth000:15:230
822982996838,19cyclictest836929-21kworker/u2:120:00:360
89846826312,42sleep0898469-21df_inode23:40:180
822982996322,18cyclictest852232-21seq20:54:490
822982996313,19cyclictest896086-21ntpq23:31:100
8501802614,9sleep00-21swapper20:46:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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