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2025-07-19 - 12:48
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Sat Jul 19, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95244922550,2sleep0952450-21/usr/sbin/munin19:11:190
101316722450,4chrt1013164-21ntpq22:31:140
101158022450,3chrt1011581-21ntp_states22:26:430
104677722420,3chrt1046769-21munin-run00:10:020
101728522380,2sleep01017286-21ssh22:43:060
100062522320,2chrt1000627-21date21:55:120
103861822160,3sleep01038619-21uname23:45:360
102299022110,3sleep01022988-21cat23:00:130
97828322040,2sleep0978285-21grep20:45:140
103351822020,3sleep01033519-21/usr/sbin/munin23:30:370
100949422020,2sleep01009497-21wc22:20:370
104351622000,2sleep01043518-21latency_hist00:00:120
99274121980,4chrt992727-21ntpq21:31:490
95163599185157,18cyclictest84-21jbd2/mmcblk0p2-00:20:050
100570321840,2sleep01005704-21wc22:10:090
100383421820,2sleep01003835-21ssh22:04:290
95666121810,2sleep0956664-21grep19:26:200
100075721760,3chrt22-21kcompactd021:55:230
95163599171137,23cyclictest1043409-40logrotate00:00:360
96007421700,4chrt960077-21wc19:40:080
95163599168139,19cyclictest29-21kswapd021:20:300
95163599168138,20cyclictest1054343-21ld00:31:320
103498021670,3chrt1034981-21apt-get23:35:130
98004021650,3chrt980037-21ntpq20:50:540
95353421650,3chrt953531-21ntpq19:15:450
95163599164134,21cyclictest983671-21kworker/u2:121:15:000
101801621640,3chrt1018014-21interrupts22:45:320
105037921630,4chrt1050382-21grep00:20:150
96975021620,3chrt969746-21munin-run20:15:050
102049821620,3chrt1020497-21awk22:52:040
95163599157123,23cyclictest995388-21true21:40:050
95163599155122,23cyclictest1024542-21true23:05:040
95163599153124,20cyclictest29-21kswapd021:16:320
95163599153123,19cyclictest84-21jbd2/mmcblk0p2-19:25:070
95163599149119,19cyclictest84-21jbd2/mmcblk0p2-00:40:060
95163599145117,19cyclictest29-21kswapd023:25:270
104720221410,2sleep01047203-21/usr/sbin/munin00:10:380
95163599139109,20cyclictest1039469-21kworker/u2:023:51:020
95163599135105,20cyclictest29-21kswapd023:40:290
98400821330,2sleep0984010-21grep21:05:270
95163599130104,17cyclictest84-21jbd2/mmcblk0p2-19:55:370
97668021260,2sleep0976681-21sh20:40:000
9516359912594,20cyclictest964634-21kworker/u2:220:00:590
9516359912592,22cyclictest1026254-21true23:10:040
9516359912494,20cyclictest29-21kswapd023:21:330
98147121220,3sleep0981467-21ntp_states20:56:010
96712621170,3sleep0967129-21grep20:05:160
9516359911687,20cyclictest1000778-21kworker/u2:122:17:140
9516359911485,19cyclictest1012288-21kworker/u2:022:39:390
9516359911385,19cyclictest985212-21kworker/u2:221:41:590
9516359911079,19cyclictest84-21jbd2/mmcblk0p2-19:30:070
9516359910576,20cyclictest84-21jbd2/mmcblk0p2-20:25:030
9516359910475,18cyclictest991951-21anacron21:30:050
9516359910372,20cyclictest84-21jbd2/mmcblk0p2-19:45:050
9516359910170,22cyclictest84-21jbd2/mmcblk0p2-23:10:320
951635999868,19cyclictest84-21jbd2/mmcblk0p2-20:40:440
951635999465,19cyclictest84-21jbd2/mmcblk0p2-23:15:150
951635999464,19cyclictest84-21jbd2/mmcblk0p2-21:01:160
951635999365,19cyclictest84-21jbd2/mmcblk0p2-20:15:070
951635999265,18cyclictest960011-21kworker/u2:019:47:180
951635999261,20cyclictest84-21jbd2/mmcblk0p2-00:30:100
951635998656,19cyclictest84-21jbd2/mmcblk0p2-19:50:480
95138327621,20sleep00-21swapper19:08:040
9742292730,2sleep0974272-21sort20:30:280
99731327111,14sleep0997311-21ssh21:45:200
951635996540,14cyclictest84-21jbd2/mmcblk0p2-20:30:060
951635996426,15cyclictest1006299-21ntpq22:11:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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