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2026-05-18 - 06:33
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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 18, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85197899130,11cyclictest0-21swapper/320:30:133
85197899120,11cyclictest0-21swapper/323:15:193
85197899120,11cyclictest0-21swapper/322:55:123
85197899120,11cyclictest0-21swapper/322:50:173
85197899120,11cyclictest0-21swapper/320:25:123
85197899120,11cyclictest0-21swapper/320:00:203
85197899120,11cyclictest0-21swapper/319:35:173
85197899120,10cyclictest0-21swapper/320:55:113
851978991111,0cyclictest0-21swapper/319:55:013
851978991110,1cyclictest0-21swapper/320:40:123
85197899110,9cyclictest0-21swapper/323:40:123
85197899110,10cyclictest0-21swapper/322:15:203
85197899110,10cyclictest0-21swapper/321:50:173
85197899110,10cyclictest0-21swapper/320:15:183
85197899110,10cyclictest0-21swapper/319:55:143
85197899110,10cyclictest0-21swapper/319:40:173
85197899110,0cyclictest0-21swapper/323:55:003
85197899110,0cyclictest0-21swapper/320:35:133
85197899110,0cyclictest0-21swapper/319:30:123
85197899109,0cyclictest0-21swapper/323:10:173
85197899107,1cyclictest0-21swapper/320:05:133
851978991010,0cyclictest0-21swapper/322:10:123
851978991010,0cyclictest0-21swapper/321:30:003
851978991010,0cyclictest0-21swapper/321:10:013
851978991010,0cyclictest0-21swapper/319:20:183
851978991010,0cyclictest0-21swapper/319:10:173
851978991010,0cyclictest0-21swapper/300:00:133
85197899100,9cyclictest0-21swapper/321:45:183
85197899100,9cyclictest0-21swapper/321:20:203
85197899100,10cyclictest0-21swapper/323:20:193
85197899100,0cyclictest0-21swapper/322:05:173
85197899100,0cyclictest0-21swapper/321:30:213
85197899100,0cyclictest0-21swapper/321:05:013
85197899100,0cyclictest0-21swapper/320:45:123
8519789999,0cyclictest0-21swapper/323:55:123
8519789999,0cyclictest0-21swapper/322:40:143
8519789999,0cyclictest0-21swapper/322:30:123
8519789999,0cyclictest0-21swapper/322:25:203
8519789999,0cyclictest0-21swapper/300:08:583
8519789998,0cyclictest0-21swapper/323:45:153
8519789998,0cyclictest0-21swapper/300:30:133
8519789990,8cyclictest0-21swapper/319:15:143
8519789990,0cyclictest0-21swapper/322:00:123
8519789990,0cyclictest0-21swapper/321:15:233
8519789988,0cyclictest0-21swapper/323:34:553
8519789988,0cyclictest0-21swapper/321:12:353
8519789988,0cyclictest0-21swapper/300:35:193
8519789988,0cyclictest0-21swapper/300:10:173
850179281,4sleep30-21swapper/319:05:123
8519789977,0cyclictest0-21swapper/321:40:123
8519789977,0cyclictest0-21swapper/321:35:453
8519789977,0cyclictest0-21swapper/320:20:183
8519789976,1cyclictest0-21swapper/321:55:133
8519789976,0cyclictest0-21swapper/322:36:153
8519789970,0cyclictest0-21swapper/323:06:573
8519789966,0cyclictest0-21swapper/323:35:173
8519789966,0cyclictest0-21swapper/323:04:443
8519789966,0cyclictest0-21swapper/322:23:453
8519789966,0cyclictest0-21swapper/300:18:523
8519789965,0cyclictest0-21swapper/320:50:133
8519789965,0cyclictest0-21swapper/320:10:113
8519789955,0cyclictest0-21swapper/322:45:333
8519789955,0cyclictest0-21swapper/300:25:373
8519789954,0cyclictest0-21swapper/319:25:133
8519789953,1cyclictest0-21swapper/300:20:123
967054240,3sleep0967180-21/usr/sbin/munin23:50:150
8519789944,0cyclictest0-21swapper/323:25:203
8519789944,0cyclictest0-21swapper/319:45:183
851371241,1sleep00-21swapper/019:05:210
851042241,1sleep20-21swapper/219:05:192
850936241,1sleep10-21swapper/119:05:181
952886230,2sleep2953016-21/usr/sbin/munin23:15:192
985791220,0sleep00-21swapper/000:32:410
979790220,0sleep10-21swapper/100:20:011
979496220,0sleep00-21swapper/000:17:250
978601220,0sleep20-21swapper/200:15:182
977709220,1sleep1977910-21latency_hist00:15:011
976858220,1sleep00-21swapper/000:10:200
968820220,1sleep2968839-21munin-run23:55:012
959017220,1sleep1958642-21/usr/sbin/munin23:30:151
958106220,0sleep00-21swapper/023:29:540
945605220,0sleep20-21swapper/223:00:142
942565220,0sleep00-21swapper/022:51:150
940706220,0sleep00-21swapper/022:48:150
930407220,0sleep00-21swapper/022:24:240
926715220,1sleep0926801-21irqstats22:15:170
919549220,0sleep00-21swapper/021:58:070
917681220,1sleep1917715-21munin-run21:55:011
916677220,1sleep0916829-21/usr/sbin/munin21:50:190
913927220,1sleep0914200-21df_inode21:45:150
907413220,0sleep00-21swapper/021:30:140
902990220,1sleep00-21swapper/021:20:000
890128220,1sleep2890300-21grep20:45:172
880482220,1sleep0880642-21latency20:20:180
880128220,1sleep20-21swapper/220:20:152
876311220,1sleep00-21swapper/020:10:120
866783220,1sleep0867048-21diskstats19:45:160
987615210,0sleep10-21swapper/100:35:231
987319210,0sleep20-21swapper/200:35:202
986432210,0sleep00-21swapper/000:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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