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2025-11-14 - 21:05
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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 rack5slot7.osadl.org (updated Fri Nov 14, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26247224170,11sleep024655-1kworker/u3:005:37:030
271779917719,42cyclictest13357-21apt-get10:56:380
271779917221,25cyclictest545-21apt-get10:16:410
271779917016,130cyclictest17104-21memory11:07:420
271779916821,27cyclictest30052-21ntp_states08:22:400
271779916810,46cyclictest2735-21ntpq10:22:410
271779916619,26cyclictest14254-21apt-get09:16:380
271779916618,36cyclictest3754-21apt-get10:26:400
271779916618,126cyclictest23515-21irqstats08:02:270
271779916612,130cyclictest23727-21basename09:46:500
27177991659,47cyclictest17004-21ssh09:25:060
271779916534,112cyclictest20351-21munin-run09:36:200
271779916533,112cyclictest18168-21ssh09:28:020
271779916519,26cyclictest6923-21apt-get10:36:380
271779916514,45cyclictest10783-21ssh09:04:390
271779916434,21cyclictest7040-21missed_timers08:52:420
271779916433,111cyclictest22183-21aten_r5power_vo09:41:530
271779916417,23cyclictest11644-21irqstats09:07:400
27177991635,132cyclictest28218-21apt-get10:01:420
271779916333,27cyclictest16149-21cut07:36:400
271779916318,23cyclictest20959-21memory09:37:320
271779916318,20cyclictest5981-21ssh08:49:010
271779916316,39cyclictest25180-21apt-get09:51:360
271779916234,21cyclictest26827-21wget09:57:050
271779916219,28cyclictest22396-21users07:57:500
271779916216,44cyclictest31473-21grep10:11:490
271779916215,125cyclictest30122-21df_inode10:07:120
271779916135,23cyclictest3451-21ssh08:41:490
271779916124,35cyclictest0-21swapper10:51:270
271779916119,26cyclictest19033-21memory07:48:110
271779916118,22cyclictest17395-21fw_conntrack07:42:230
271779916117,24cyclictest20210-21df07:52:010
271779916039,100cyclictest25694-21sh08:08:460
271779916029,111cyclictest13064-21df09:12:030
271779916019,37cyclictest1078-21users08:33:010
271779916018,40cyclictest14041-21sort07:22:250
271779916018,24cyclictest5695-21fw_conntrack10:32:160
271779915938,24cyclictest29172-21sh08:20:140
271779915938,22cyclictest14904-21switchtime07:27:230
271779915920,37cyclictest8777-21df10:41:580
271779915918,25cyclictest32054-21ssh08:28:310
271779915917,25cyclictest4363-21apt-get06:31:380
271779915816,25cyclictest15335-21irqstats11:02:260
271779915815,39cyclictest10145-21apt-get10:46:340
271779915815,23cyclictest8313-21df08:57:010
271779915733,19cyclictest26279-21apt-get08:11:450
271779915717,35cyclictest1788-21apt-get08:36:370
271779915717,24cyclictest7863-21munin-run06:51:190
271779915716,23cyclictest27562-21fw_conntrack05:41:570
271779915624,28cyclictest13243-21users07:17:270
271779915613,25cyclictest1503-21users06:12:280
271779915612,28cyclictest31123-21sort05:57:240
271779915610,125cyclictest6964-21latency_hist06:46:210
271779915515,25cyclictest467-21sort06:07:230
271779915512,27cyclictest10105-21/usr/sbin/munin07:02:010
271779915511,27cyclictest10754-21cut07:06:440
271779915511,25cyclictest3015-21grep06:22:150
271779915416,40cyclictest3448-21apt-get06:26:340
271779915414,25cyclictest8879-21apt-get06:56:430
271779915336,23cyclictest28876-21df05:47:110
271779915319,24cyclictest29930-21irqstats05:52:070
271779915317,25cyclictest15666-21ntp_states07:32:190
271779915232,32cyclictest0-21swapper07:12:250
271779915223,26cyclictest2062-21memory06:17:100
271779915214,27cyclictest8039-21basename06:51:410
271779915212,24cyclictest5984-21grep06:37:260
271779915110,42cyclictest31893-21/usr/sbin/munin06:02:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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