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2026-06-22 - 09:04
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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 Jun 22, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262604399130,9cyclictest0-21swapper/320:55:123
262604399130,12cyclictest0-21swapper/323:25:113
262604399130,12cyclictest0-21swapper/322:45:123
262604399130,12cyclictest0-21swapper/300:15:183
262604399130,11cyclictest0-21swapper/321:15:133
262604399130,11cyclictest0-21swapper/319:25:113
262604399120,11cyclictest0-21swapper/323:05:123
262604399120,11cyclictest0-21swapper/323:00:133
262604399120,11cyclictest0-21swapper/322:05:173
262604399120,11cyclictest0-21swapper/320:30:013
262604399120,11cyclictest0-21swapper/319:20:183
262604399120,11cyclictest0-21swapper/319:10:013
262604399120,11cyclictest0-21swapper/300:20:173
262604399120,11cyclictest0-21swapper/300:00:003
262604399119,1cyclictest0-21swapper/322:30:133
2626043991110,0cyclictest0-21swapper/323:45:133
2626043991110,0cyclictest0-21swapper/322:15:133
2626043991110,0cyclictest0-21swapper/320:50:013
2626043991110,0cyclictest0-21swapper/300:35:123
262604399110,11cyclictest0-21swapper/319:59:433
262604399109,0cyclictest0-21swapper/321:25:003
262604399109,0cyclictest0-21swapper/300:05:143
2626043991010,0cyclictest0-21swapper/321:00:113
2626043991010,0cyclictest0-21swapper/320:35:103
2626043991010,0cyclictest0-21swapper/320:35:103
2626043991010,0cyclictest0-21swapper/319:50:123
262604399100,9cyclictest0-21swapper/323:45:013
262604399100,9cyclictest0-21swapper/322:55:013
262604399100,9cyclictest0-21swapper/322:25:173
262604399100,9cyclictest0-21swapper/321:40:193
262604399100,9cyclictest0-21swapper/321:05:203
262604399100,9cyclictest0-21swapper/320:05:113
262604399100,9cyclictest0-21swapper/319:16:093
262604399100,8cyclictest0-21swapper/322:35:133
262604399100,10cyclictest0-21swapper/323:15:163
262604399100,10cyclictest0-21swapper/320:10:193
262604399100,0cyclictest0-21swapper/320:00:133
26260439999,0cyclictest0-21swapper/323:35:013
26260439999,0cyclictest0-21swapper/320:15:113
26260439999,0cyclictest0-21swapper/300:30:133
26260439997,1cyclictest0-21swapper/322:55:123
26260439990,8cyclictest0-21swapper/321:25:133
26260439990,8cyclictest0-21swapper/320:50:183
26260439990,0cyclictest0-21swapper/320:20:173
26260439988,0cyclictest0-21swapper/323:30:133
26260439988,0cyclictest0-21swapper/321:49:553
26260439988,0cyclictest0-21swapper/300:00:203
26260439980,3cyclictest0-21swapper/323:20:163
26260439980,0cyclictest0-21swapper/322:20:143
26260439980,0cyclictest0-21swapper/319:45:173
26260439980,0cyclictest0-21swapper/300:10:133
2688229270,2sleep02688403-21python321:45:180
26260439977,0cyclictest0-21swapper/322:10:173
26260439977,0cyclictest0-21swapper/322:00:013
26260439977,0cyclictest0-21swapper/321:35:183
26260439977,0cyclictest0-21swapper/319:40:173
26260439977,0cyclictest0-21swapper/319:35:163
26260439970,0cyclictest0-21swapper/321:30:143
26260439970,0cyclictest0-21swapper/321:10:193
26260439966,0cyclictest0-21swapper/322:40:113
26260439965,0cyclictest0-21swapper/321:50:143
26260439961,4cyclictest0-21swapper/323:55:013
26260439960,5cyclictest0-21swapper/323:10:123
2624944261,3sleep30-21swapper/319:05:193
2753771250,4sleep20-21swapper/200:20:182
2706482253,1sleep02706547-21aten_r1power_en22:30:120
26260439955,0cyclictest0-21swapper/300:30:013
26260439950,5cyclictest0-21swapper/320:30:203
26260439950,4cyclictest0-21swapper/322:00:123
26260439940,4cyclictest0-21swapper/319:30:113
26260439940,2cyclictest0-21swapper/320:40:103
2625557241,2sleep10-21swapper/119:06:451
2755867230,1sleep02756039-21smartctl00:25:200
2746828230,1sleep12747123-21df00:05:161
2736636231,1sleep02736770-21ntp_states23:40:180
2733375230,2sleep02733613-21latency_hist23:35:010
2714540230,1sleep02714544-21ssh22:49:410
2699490230,0sleep10-21swapper/122:10:531
2678177230,2sleep12678432-21unixbench_singl21:20:211
2641056230,2sleep02641225-21sensors_temp19:45:190
2624270231,1sleep20-21swapper/219:05:142
2624147231,1sleep00-21swapper/019:05:120
2759940220,0sleep00-21swapper/000:35:170
2755509220,1sleep12755620-21latency00:25:171
2751724220,1sleep22751841-21python300:15:172
2750892220,1sleep01-21systemd00:15:120
2743034220,1sleep22743241-21ntpq23:55:162
2740422220,1sleep22740448-21apt-get23:50:122
2739794220,1sleep10-21swapper/123:46:431
2736152220,1sleep12736425-21df_inode23:40:141
2727814220,1sleep02727898-21irqstats23:20:160
2721722220,1sleep22721876-21ntp_states23:05:172
2717171220,1sleep00-21swapper/022:55:150
2711390220,1sleep00-21swapper/022:40:180
2705934220,1sleep00-21swapper/022:27:250
2703182220,1sleep22703336-21cat22:20:182
2702899220,1sleep00-21swapper/022:20:160
2699763220,0sleep00-21swapper/022:13:200
2682738220,0sleep00-21swapper/021:32:250
2679973220,1sleep10-21swapper/121:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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