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2025-12-06 - 11:18
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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 Sat Dec 06, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267691122540,2sleep02676913-21timerwakeupswit22:52:070
270931922420,3chrt2709318-21ssh00:27:270
269173222390,4chrt2691730-21ld23:36:080
267914622310,4chrt2679144-21ssh22:59:430
266479622310,3chrt2664798-21gzip22:16:560
270522222090,2sleep02705221-21sshd00:15:410
267085522080,2sleep02670856-21acpi22:35:120
265036722060,2sleep02650365-21acpi21:35:110
269011022030,2sleep02690111-21rm23:31:220
266820422030,3sleep02668206-21grep22:26:540
269575421910,4chrt2695752-21sshd23:47:410
266088121860,2sleep02660879-21latency22:05:350
264062821860,2sleep02640629-21latency21:05:270
270307421850,4sleep02703076-21latency_hist00:10:080
261445521810,2sleep02614458-21processes19:31:150
266584221800,4chrt2665768-21/usr/sbin/munin22:20:170
264438421800,2sleep02644386-21ls21:16:570
269805321770,3chrt2698054-21ssh23:55:140
267281821750,3sleep02672821-21kernelversion22:40:370
264881821750,4chrt2648819-21if_err_wlan021:30:290
270380321730,4chrt2703801-21ntpq00:11:420
270099221730,4chrt2700990-21ssh00:03:150
260817599173142,20cyclictest84-21jbd2/mmcblk0p2-00:25:050
266289021700,3chrt2662891-21sh22:11:220
271317221690,3chrt2713174-21latency_hist00:40:110
262523421690,4chrt2625232-21irqstats20:10:290
269366221680,4chrt2693658-21ps23:41:490
265817421650,4chrt2658173-21ssh21:57:030
262094521650,4chrt22-21kcompactd019:55:160
260817599163133,20cyclictest84-21jbd2/mmcblk0p2-22:50:050
265486621620,3chrt2654867-21ssh21:47:330
265638521610,3sleep02656383-21timerandwakeup21:51:580
263779121590,3chrt2637793-21kernelversion20:55:270
260817599143114,20cyclictest29-21kswapd000:31:410
263633521410,2sleep02636336-21basename20:50:230
260817599140112,19cyclictest2680673-21kworker/u2:223:06:590
260817599138108,20cyclictest29-21kswapd021:21:300
260817599137107,19cyclictest2637479-21kworker/u2:021:03:410
26081759913197,23cyclictest2653670-21true21:45:050
269684721290,2sleep02696849-21rm23:51:120
26081759912895,22cyclictest2687775-21date23:25:100
26081759912797,19cyclictest84-21jbd2/mmcblk0p2-19:45:270
26081759912492,21cyclictest84-21jbd2/mmcblk0p2-20:45:010
26081759912491,21cyclictest29-21kswapd023:01:420
260994121220,2sleep02609939-21load19:15:260
26081759912088,20cyclictest84-21jbd2/mmcblk0p2-19:40:080
268909021190,2sleep02689091-21ssh23:28:250
264203221190,3sleep02642030-21kernelversion21:10:360
260818821170,2sleep02608189-21systemd-run19:10:020
263233121160,3sleep02632329-21ntp_kernel_err20:35:310
26081759910979,19cyclictest84-21jbd2/mmcblk0p2-20:35:050
26081759910778,20cyclictest84-21jbd2/mmcblk0p2-20:45:120
26081759910676,20cyclictest84-21jbd2/mmcblk0p2-20:20:120
2608175999465,19cyclictest84-21jbd2/mmcblk0p2-20:15:270
2608175999364,19cyclictest84-21jbd2/mmcblk0p2-20:05:310
2608175999359,23cyclictest2684316-21true23:15:040
2608175999161,19cyclictest84-21jbd2/mmcblk0p2-23:16:050
26199042900,4chrt22-21kcompactd019:50:540
2608175998555,19cyclictest84-21jbd2/mmcblk0p2-21:26:410
2608175998352,20cyclictest84-21jbd2/mmcblk0p2-19:25:450
2608175998148,22cyclictest112-21systemd-journal19:45:030
2608175998047,23cyclictest2670326-21anacron22:33:060
2608175997836,18cyclictest2608820-21ntpq19:11:130
2608175997343,19cyclictest2629898-21mailstats20:26:190
2608175997126,13cyclictest2659228-21ssh22:00:400
2608175997040,18cyclictest2622622-21ntpq20:00:390
2608175996938,20cyclictest2611334-21latency19:20:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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