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2025-09-18 - 05:45
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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 Thu Sep 18, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
343577622960,2sleep03435778-21latency23:10:390
339668022480,3chrt3396678-21ssh21:15:020
345501422470,2sleep03455015-21xargs00:06:550
341831822400,3chrt3418310-21munin-run22:20:080
339062122360,3chrt3390617-21ntp_states20:51:030
345305322190,3chrt3453054-21uname00:01:030
343747122180,3sleep03437473-21latency23:15:370
342101022080,2sleep03421011-21cat22:27:010
343265222050,2sleep03432653-21/usr/sbin/munin23:01:240
337049822030,2sleep03370501-21grep19:40:010
343541722020,3sleep03435419-21grep23:10:090
344665522000,3chrt3446656-21timerandwakeup23:42:020
342517821990,2sleep03425180-21wc22:40:100
337952521940,4chrt3379526-21ld20:11:150
341180521920,3chrt3411803-21kernelversion22:00:360
336214399187157,19cyclictest3371910-21kworker/u2:220:40:040
336214399184153,19cyclictest3370385-21kworker/u2:119:45:030
336214399180149,19cyclictest3457112-21kworker/u2:300:15:090
336214399180147,21cyclictest3405502-21awk21:40:300
336214399179150,18cyclictest3433545-21kworker/u2:200:16:560
336214399178147,19cyclictest3446856-21kworker/u2:323:50:310
344136521770,2sleep03441367-21uname23:26:540
340204221770,2sleep03402040-21df_inode21:30:200
336214399176143,23cyclictest3452410-21b-backup00:00:010
336531221730,3sleep03365314-21cat19:20:280
343098721710,4chrt3430982-21ntpq22:56:380
341064621710,4chrt3410649-21mailstats21:56:550
336694421700,4chrt3366942-21ntpq19:26:020
340791121690,4chrt3406963-21/usr/sbin/munin21:47:000
336214399168138,19cyclictest84-21jbd2/mmcblk0p2-20:00:060
342577821670,3chrt3425768-21ntpq22:41:180
341541921630,3chrt3415417-21ld22:10:570
336214399163134,19cyclictest3416029-21kworker/u2:022:22:030
336214399163134,19cyclictest3403403-21kworker/u2:221:40:120
336214399163134,19cyclictest3382705-21kworker/u2:120:25:040
336214399163133,20cyclictest29-21kswapd021:21:330
338764821620,4chrt3387650-21cat20:40:300
342299921600,3chrt3423000-21ssh22:33:030
344530421590,3chrt3445305-21sh23:38:340
342840621580,3chrt3428407-21ssh22:49:260
336214399158129,18cyclictest3387677-21kworker/u2:021:00:040
336214399156129,18cyclictest3394437-21kworker/u2:021:20:070
336214399155126,18cyclictest3389738-21kworker/u2:120:50:030
336214399150120,21cyclictest29-21kswapd000:21:320
336214399150116,23cyclictest3401814-21true21:30:040
336214399149119,19cyclictest3382705-21kworker/u2:120:26:200
336214399149118,20cyclictest3371910-21kworker/u2:220:35:040
336214399146116,19cyclictest3352256-21kworker/u2:019:15:070
336214399146115,20cyclictest3457112-21kworker/u2:300:27:030
336214399145114,19cyclictest3373688-21kworker/u2:019:51:220
336214399144115,18cyclictest84-21jbd2/mmcblk0p2-22:05:530
336214399143114,18cyclictest3463411-21kworker/u2:000:40:120
336214399142113,19cyclictest3371910-21kworker/u2:220:05:040
336214399142111,20cyclictest3436536-21kworker/u2:023:21:570
336214399141110,20cyclictest84-21jbd2/mmcblk0p2-19:45:120
336214399140110,19cyclictest3371910-21kworker/u2:220:10:040
336214399139111,18cyclictest3429834-21kworker/u2:222:55:110
336214399137106,20cyclictest3380857-21kworker/u2:020:16:170
336214399135106,19cyclictest3391407-21kworker/u2:221:00:380
340982921330,2sleep03409830-21cat21:55:120
336214399132107,16cyclictest3433545-21kworker/u2:200:33:590
336214399131103,18cyclictest3446856-21kworker/u2:323:46:180
336214399130101,18cyclictest3352256-21kworker/u2:019:16:240
336214399130100,19cyclictest3368355-21kworker/u2:019:31:180
33621439912999,19cyclictest84-21jbd2/mmcblk0p2-23:30:400
33621439912596,18cyclictest3394437-21kworker/u2:021:10:130
3362143999870,17cyclictest3361237-21kworker/u2:219:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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