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2026-06-02 - 04:44
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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 Tue Jun 02, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262603799140,12cyclictest26809922sleep321:30:103
2626037991310,1cyclictest0-21swapper/300:20:133
262603799130,12cyclictest0-21swapper/323:30:123
262603799130,12cyclictest0-21swapper/320:45:143
262603799130,11cyclictest0-21swapper/323:25:133
262603799130,11cyclictest0-21swapper/322:10:183
262603799130,11cyclictest0-21swapper/300:35:123
262603799129,1cyclictest0-21swapper/320:15:133
262603799127,3cyclictest0-21swapper/323:10:013
2626037991211,0cyclictest0-21swapper/321:25:123
2626037991211,0cyclictest0-21swapper/300:25:133
262603799120,11cyclictest0-21swapper/323:50:133
262603799120,11cyclictest0-21swapper/321:15:143
262603799120,11cyclictest0-21swapper/300:15:133
262603799119,1cyclictest0-21swapper/321:50:123
262603799119,1cyclictest0-21swapper/319:25:113
262603799119,1cyclictest0-21swapper/319:10:123
2626037991111,0cyclictest0-21swapper/321:40:173
2626037991110,0cyclictest0-21swapper/322:30:143
2626037991110,0cyclictest0-21swapper/322:05:123
262603799110,10cyclictest0-21swapper/320:15:003
262603799110,10cyclictest0-21swapper/319:15:163
262603799110,0cyclictest0-21swapper/321:05:193
262603799110,0cyclictest0-21swapper/320:30:133
262603799110,0cyclictest0-21swapper/319:50:013
262603799110,0cyclictest0-21swapper/319:31:593
262603799110,0cyclictest0-21swapper/319:31:583
2626037991010,0cyclictest0-21swapper/320:25:103
2626037991010,0cyclictest0-21swapper/319:55:003
262603799100,9cyclictest0-21swapper/322:15:183
262603799100,9cyclictest0-21swapper/322:05:013
262603799100,9cyclictest0-21swapper/321:45:133
262603799100,9cyclictest0-21swapper/320:45:003
262603799100,0cyclictest0-21swapper/322:50:133
262603799100,0cyclictest0-21swapper/320:20:183
262603799100,0cyclictest0-21swapper/319:45:013
26260379999,0cyclictest0-21swapper/300:30:113
26260379998,0cyclictest0-21swapper/323:45:153
26260379998,0cyclictest0-21swapper/321:38:373
26260379998,0cyclictest0-21swapper/300:00:123
26260379990,0cyclictest0-21swapper/321:10:183
26260379988,0cyclictest0-21swapper/323:44:013
26260379988,0cyclictest0-21swapper/323:10:253
26260379988,0cyclictest0-21swapper/322:55:193
26260379988,0cyclictest0-21swapper/322:41:543
26260379988,0cyclictest0-21swapper/322:35:003
26260379980,7cyclictest0-21swapper/320:50:163
2624414281,4sleep30-21swapper/319:05:143
26260379977,0cyclictest0-21swapper/323:00:333
26260379976,0cyclictest0-21swapper/322:50:013
26260379976,0cyclictest0-21swapper/320:35:123
26260379976,0cyclictest0-21swapper/300:05:163
26260379976,0cyclictest0-21swapper/300:00:023
26260379976,0cyclictest0-21swapper/300:00:013
26260379970,7cyclictest0-21swapper/321:05:013
26260379966,0cyclictest0-21swapper/322:23:353
26260379960,6cyclictest0-21swapper/319:24:263
2739619253,1sleep02723295-21kworker/0:1+events23:47:190
26260379955,0cyclictest0-21swapper/323:15:143
26260379954,0cyclictest0-21swapper/323:20:113
26260379954,0cyclictest0-21swapper/321:55:183
26260379951,2cyclictest0-21swapper/320:05:113
26260379950,5cyclictest0-21swapper/320:55:013
26260379950,0cyclictest0-21swapper/320:00:193
26260379944,0cyclictest0-21swapper/319:39:363
26260379942,1cyclictest27339762sleep323:35:143
26260379940,4cyclictest0-21swapper/322:26:033
26260379940,3cyclictest2677102-21chrt21:20:133
26260379940,3cyclictest2643351-21chrt19:51:083
26260379940,2cyclictest0-21swapper/300:10:143
2625590242,1sleep10-21swapper/119:06:081
2624261241,1sleep20-21swapper/219:05:132
2734354230,2sleep12733910-21/usr/sbin/munin23:35:171
2724275231,1sleep20-21swapper/223:10:202
2695812230,1sleep22695838-21apt-get22:05:122
2680729230,2sleep02678734-21dump-pmu-power21:29:560
2676948230,1sleep12676974-21apt-get21:20:121
2655405230,1sleep22655431-21apt-get20:25:092
2653499230,1sleep12653525-21apt-get20:20:121
2636238230,1sleep02636264-21apt-get19:35:130
2625161231,1sleep00-21swapper/019:05:190
2759544220,1sleep12759695-21ntp_kernel_pll_00:35:161
2751927220,0sleep00-21swapper/000:15:260
2745881220,1sleep02745883-21ssh00:02:130
2743299220,0sleep00-21swapper/023:55:210
2743299220,0sleep00-21swapper/023:55:210
2738560220,1sleep22738716-21memory23:45:182
2733909220,1sleep22733975-21cut23:35:142
2730518220,0sleep00-21swapper/023:25:190
2728181220,1sleep12728367-21strings23:20:161
2723149220,0sleep00-21swapper/023:09:250
2719311220,0sleep20-21swapper/223:00:112
2716454220,0sleep00-21swapper/022:50:330
2714533220,0sleep00-21swapper/022:49:210
2708630220,1sleep20-21swapper/222:35:142
2702534220,0sleep20-21swapper/222:20:172
2697208220,0sleep10-21swapper/122:06:111
2697165220,1sleep00-21swapper/022:05:460
2691897220,1sleep02692105-21ntpq21:55:170
2689029220,1sleep02689171-21sed21:50:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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