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2025-11-28 - 07:02
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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 Fri Nov 28, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273998822610,3chrt2739984-21ntpq23:31:440
274134322400,4chrt2741341-21memory23:35:390
270882222340,3sleep02708820-21latency22:00:350
272719022180,3sleep02727191-21sh22:55:000
270029822140,2sleep02700300-21cat21:35:390
269663622110,3sleep02696638-21acpi21:25:140
273243522070,3sleep02732436-21ls23:10:120
273418722010,2sleep02734185-21apt23:15:120
269145222000,2sleep02691453-21basename21:10:120
270552821970,2sleep02705527-21ld21:50:480
272957621960,2sleep02729577-21ssh23:01:140
271867021930,2sleep02718671-21rm22:30:010
275657521920,4chrt2756571-21ssh00:20:480
271278621920,2sleep02712787-21cat22:11:570
270294421900,3chrt2702943-21ssh21:43:130
270755021880,2sleep02707551-21/usr/sbin/munin21:56:520
268859021870,3chrt2688591-21latency_hist21:00:070
275387121860,3chrt2753872-21ssh00:12:360
274374721860,3chrt22-21kcompactd023:42:070
265785799185154,19cyclictest2680182-21kworker/u2:221:35:040
267115521840,3chrt2671153-21sendmail_mailst19:56:160
265785799182150,21cyclictest84-21jbd2/mmcblk0p2-00:30:300
268077321790,3chrt2680306-21/usr/sbin/munin20:30:590
265785799176146,20cyclictest29-21kswapd000:16:320
268343221750,3sleep02683434-21ntpq20:40:330
265785799174145,19cyclictest2746357-21kworker/u2:000:00:060
265785799174144,19cyclictest2744106-21kworker/u2:300:06:560
265785799174144,18cyclictest2659271-21kworker/u2:320:05:070
272331921710,4chrt2723318-21sshd22:42:370
265785799169138,20cyclictest84-21jbd2/mmcblk0p2-21:20:040
265785799169137,21cyclictest29-21kswapd000:26:320
271189121680,3chrt2711893-21rm22:10:100
272823521670,4chrt2727324-21/usr/sbin/munin22:57:010
274446521660,4chrt2744460-21/usr/sbin/munin23:45:130
265785799166137,20cyclictest2685762-21kworker/u2:021:21:580
265785799165136,19cyclictest2658879-21kworker/u2:219:15:040
265785799165135,19cyclictest2757240-21kworker/u2:200:36:530
265785799164133,19cyclictest2680182-21kworker/u2:220:50:070
265785799163134,19cyclictest2728774-21kworker/u2:123:27:040
265785799163132,19cyclictest2661148-21kworker/u2:019:25:380
267801621620,4chrt2678014-21ntpq20:21:050
265785799160130,19cyclictest2732221-21kworker/u2:223:15:040
265785799160130,19cyclictest2680182-21kworker/u2:220:55:030
270401221590,3chrt2704013-21ld21:46:260
265785799156126,19cyclictest2659271-21kworker/u2:320:15:060
265785799153111,20cyclictest29-21kswapd023:51:340
265785799152124,19cyclictest2680182-21kworker/u2:221:15:010
265785799151122,19cyclictest2726988-21kworker/u2:323:21:580
265785799151122,18cyclictest2667591-21kworker/u2:019:45:040
265785799150119,19cyclictest2673213-21kworker/u2:020:10:060
265785799149119,19cyclictest2744106-21kworker/u2:300:00:360
271407821480,2sleep02714079-21collect222:15:520
265785799148118,20cyclictest2659271-21kworker/u2:319:35:060
265785799145116,19cyclictest2719875-21kworker/u2:222:36:580
265785799144114,19cyclictest2659271-21kworker/u2:319:55:060
265785799143114,19cyclictest2667591-21kworker/u2:019:45:370
265785799143112,19cyclictest2658879-21kworker/u2:219:15:380
265785799142112,19cyclictest2682059-21kworker/u2:020:40:010
265785799138109,18cyclictest2704450-21kworker/u2:122:35:070
265785799137109,18cyclictest2656950-21kworker/u2:019:10:060
26578579913596,18cyclictest2659271-21kworker/u2:319:39:390
265785799134104,19cyclictest2659271-21kworker/u2:319:25:030
26578579913299,20cyclictest84-21jbd2/mmcblk0p2-20:15:090
26578579912999,19cyclictest2677888-21kworker/u2:020:25:380
26578579912596,19cyclictest2685762-21kworker/u2:021:01:240
26578579912292,19cyclictest2723470-21kworker/u2:022:46:560
26578579912090,19cyclictest84-21jbd2/mmcblk0p2-22:25:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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