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2026-05-04 - 12:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Mon May 04, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260214799142,11cyclictest0-21swapper/319:45:173
260214799140,12cyclictest0-21swapper/322:50:113
260214799140,12cyclictest0-21swapper/320:35:133
2602147991310,1cyclictest0-21swapper/321:10:123
260214799130,11cyclictest0-21swapper/320:10:123
260214799120,1cyclictest0-21swapper/322:45:133
260214799120,1cyclictest0-21swapper/320:45:133
260214799120,11cyclictest0-21swapper/323:35:203
260214799120,11cyclictest0-21swapper/321:35:203
260214799120,11cyclictest0-21swapper/320:35:003
260214799120,11cyclictest0-21swapper/319:30:173
260214799120,11cyclictest0-21swapper/300:14:203
2602147991110,0cyclictest0-21swapper/322:55:113
2602147991110,0cyclictest0-21swapper/320:40:113
260214799110,10cyclictest0-21swapper/320:50:163
260214799110,10cyclictest0-21swapper/319:50:013
260214799110,0cyclictest0-21swapper/323:05:013
260214799110,0cyclictest0-21swapper/321:55:123
260214799110,0cyclictest0-21swapper/321:40:123
260214799110,0cyclictest0-21swapper/321:20:113
260214799110,0cyclictest0-21swapper/319:20:113
260214799110,0cyclictest0-21swapper/300:30:123
260214799109,0cyclictest0-21swapper/323:10:123
2602147991010,0cyclictest0-21swapper/323:15:133
2602147991010,0cyclictest0-21swapper/322:40:133
2602147991010,0cyclictest0-21swapper/322:20:013
2602147991010,0cyclictest0-21swapper/300:20:123
260214799100,0cyclictest0-21swapper/322:10:173
260214799100,0cyclictest0-21swapper/321:45:113
26021479999,0cyclictest0-21swapper/322:35:193
26021479999,0cyclictest0-21swapper/321:55:013
26021479999,0cyclictest0-21swapper/300:15:123
26021479990,9cyclictest0-21swapper/323:20:173
26021479990,0cyclictest0-21swapper/322:10:013
2600783291,5sleep30-21swapper/319:05:153
26021479988,0cyclictest0-21swapper/323:35:003
26021479988,0cyclictest0-21swapper/323:09:443
26021479988,0cyclictest0-21swapper/322:00:113
26021479988,0cyclictest0-21swapper/320:00:123
26021479988,0cyclictest0-21swapper/300:04:513
26021479977,0cyclictest0-21swapper/323:55:113
26021479977,0cyclictest0-21swapper/321:26:113
26021479977,0cyclictest0-21swapper/320:15:193
26021479977,0cyclictest0-21swapper/300:06:033
26021479970,6cyclictest0-21swapper/300:25:183
26021479966,0cyclictest0-21swapper/323:45:393
26021479966,0cyclictest0-21swapper/323:42:573
26021479966,0cyclictest0-21swapper/323:25:483
26021479966,0cyclictest0-21swapper/322:30:193
26021479966,0cyclictest0-21swapper/321:15:203
26021479966,0cyclictest0-21swapper/319:25:183
26021479955,0cyclictest0-21swapper/322:29:113
26021479955,0cyclictest0-21swapper/320:20:123
26021479954,0cyclictest0-21swapper/321:05:143
26021479954,0cyclictest0-21swapper/319:55:123
26021479951,2cyclictest0-21swapper/320:25:113
26021479950,4cyclictest0-21swapper/319:35:133
26021479944,0cyclictest0-21swapper/323:50:083
26021479944,0cyclictest0-21swapper/322:22:283
26021479944,0cyclictest0-21swapper/321:01:323
26021479944,0cyclictest0-21swapper/320:55:483
26021479944,0cyclictest0-21swapper/319:18:203
26021479944,0cyclictest0-21swapper/319:18:193
26021479944,0cyclictest0-21swapper/319:10:113
26021479940,3cyclictest2735452-21chrt00:35:153
26021479940,3cyclictest2624136-21chrt20:05:103
26021479940,3cyclictest2615600-21chrt19:40:403
26021479940,2cyclictest0-21swapper/321:30:113
2601826242,1sleep20-21swapper/219:07:462
2601758242,1sleep10-21swapper/119:06:531
2729021230,2sleep12729050-21aten_r1power_cu00:20:131
2637532230,0sleep10-21swapper/120:40:101
2600332231,1sleep00-21swapper/019:05:080
2735700220,1sleep02735782-21irqstats00:35:170
2727467220,1sleep12727665-21ntpq00:15:161
2710305220,1sleep12710452-21ntp_offset23:35:181
2698347220,0sleep00-21swapper/023:06:310
2689355220,1sleep12689506-21awk22:45:191
2681841220,0sleep20-21swapper/222:28:152
2675411220,0sleep00-21swapper/022:11:480
2672331220,1sleep12672486-21memory22:05:161
2671291220,0sleep00-21swapper/022:02:100
2665492220,1sleep02665767-21df_inode21:50:140
2663755220,1sleep22663891-21sed21:45:152
2659080220,1sleep10-21swapper/121:35:141
2653517220,1sleep22653670-21memory21:20:142
2649790220,0sleep20-21swapper/221:10:182
2648768220,1sleep10-21swapper/121:10:001
2646668220,2sleep20-21swapper/221:02:332
2624107220,0sleep22624133-21apt-get20:05:102
2620330220,1sleep22620514-21cat19:55:132
2615320220,1sleep20-21swapper/219:40:202
2610587220,1sleep02610858-21df_inode19:30:140
2602436220,0sleep00-21swapper/019:10:120
2735307210,0sleep20-21swapper/200:35:152
2734292210,0sleep10-21swapper/100:30:211
2733974210,0sleep20-21swapper/200:30:182
2733183210,0sleep02733209-21apt-get00:30:120
2731194210,0sleep10-21swapper/100:25:121
2730850210,0sleep20-21swapper/200:25:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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