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2026-06-12 - 07:27
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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 Fri Jun 12, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
640221991711,5cyclictest0-21swapper/322:50:133
640221991310,1cyclictest0-21swapper/323:15:013
64022199130,12cyclictest0-21swapper/323:35:123
64022199130,11cyclictest0-21swapper/323:50:123
64022199130,11cyclictest0-21swapper/322:30:133
64022199130,11cyclictest0-21swapper/300:05:123
64022199120,1cyclictest0-21swapper/319:10:113
64022199120,11cyclictest0-21swapper/322:45:023
64022199120,11cyclictest0-21swapper/320:10:153
64022199120,11cyclictest0-21swapper/319:40:013
64022199120,11cyclictest0-21swapper/300:15:013
640221991111,0cyclictest0-21swapper/300:00:123
64022199110,11cyclictest0-21swapper/320:50:163
64022199110,10cyclictest0-21swapper/323:40:183
64022199110,10cyclictest0-21swapper/320:45:183
64022199110,10cyclictest0-21swapper/320:40:153
64022199110,0cyclictest0-21swapper/322:20:113
64022199110,0cyclictest0-21swapper/321:05:153
64022199110,0cyclictest0-21swapper/319:25:153
64022199109,0cyclictest0-21swapper/320:20:123
640221991010,0cyclictest0-21swapper/323:55:113
640221991010,0cyclictest0-21swapper/322:55:133
640221991010,0cyclictest0-21swapper/322:35:123
640221991010,0cyclictest0-21swapper/322:15:193
640221991010,0cyclictest0-21swapper/321:50:163
640221991010,0cyclictest0-21swapper/321:35:193
640221991010,0cyclictest0-21swapper/321:30:013
640221991010,0cyclictest0-21swapper/321:05:003
640221991010,0cyclictest0-21swapper/320:05:223
640221991010,0cyclictest0-21swapper/319:50:173
64022199100,9cyclictest0-21swapper/322:10:183
64022199100,0cyclictest0-21swapper/323:45:163
64022199100,0cyclictest0-21swapper/319:30:163
6402219999,0cyclictest0-21swapper/323:25:193
6402219999,0cyclictest0-21swapper/323:20:123
6402219999,0cyclictest0-21swapper/322:45:183
6402219999,0cyclictest0-21swapper/320:25:183
6402219999,0cyclictest0-21swapper/319:45:143
6402219999,0cyclictest0-21swapper/319:20:123
6402219999,0cyclictest0-21swapper/300:35:213
6402219998,0cyclictest0-21swapper/322:05:113
6402219998,0cyclictest0-21swapper/320:15:123
6402219990,8cyclictest0-21swapper/322:25:183
6402219990,8cyclictest0-21swapper/322:00:183
6402219990,0cyclictest0-21swapper/320:00:173
6402219990,0cyclictest0-21swapper/319:55:173
638837291,4sleep20-21swapper/219:05:142
723619283,3sleep1723692-21cat22:35:151
6402219988,0cyclictest0-21swapper/321:49:053
6402219988,0cyclictest0-21swapper/320:30:193
6402219988,0cyclictest0-21swapper/300:20:183
6402219987,0cyclictest0-21swapper/319:40:113
6402219980,0cyclictest0-21swapper/323:30:173
6402219977,0cyclictest0-21swapper/320:55:183
6402219976,0cyclictest0-21swapper/321:40:073
6402219976,0cyclictest0-21swapper/321:17:123
6402219970,0cyclictest0-21swapper/300:15:193
638911270,5sleep30-21swapper/319:05:163
740627260,0sleep1341rcuc/123:15:171
6402219966,0cyclictest0-21swapper/323:17:353
6402219966,0cyclictest0-21swapper/323:00:163
6402219966,0cyclictest0-21swapper/321:30:173
6402219966,0cyclictest0-21swapper/319:15:003
6402219966,0cyclictest0-21swapper/300:25:183
6402219965,0cyclictest0-21swapper/321:10:143
6402219955,0cyclictest0-21swapper/320:35:113
6402219953,1cyclictest0-21swapper/300:30:123
6402219944,0cyclictest0-21swapper/323:06:223
6402219944,0cyclictest0-21swapper/321:55:533
6402219943,0cyclictest0-21swapper/321:20:263
639757242,1sleep10-21swapper/119:05:571
638469240,3sleep0638596-21grep19:05:120
684529230,2sleep0684637-21awk21:00:170
673954230,2sleep2673962-21latency_hist20:35:012
652079231,1sleep1652163-21latency_hist19:40:011
772786220,0sleep00-21swapper/000:30:220
768041220,1sleep0768096-21ntp_states00:20:170
767755220,1sleep2767840-21irqstats00:20:142
767042220,1sleep00-21swapper/000:20:010
758424220,1sleep1758462-21sleep00:00:001
756019220,1sleep00-21swapper/023:52:120
751128220,1sleep10-21swapper/123:40:201
747849220,0sleep00-21swapper/023:33:450
744231220,1sleep0744505-21df_inode23:25:140
743726220,0sleep00-21swapper/023:24:090
732529220,1sleep1732826-21unixbench_singl22:55:211
720638220,0sleep00-21swapper/022:28:050
719295220,1sleep2719480-21/usr/sbin/munin22:25:202
710928220,1sleep0711118-21cut22:05:170
701815220,1sleep2702001-21latency_hist21:45:002
700844220,1sleep0700961-21python321:40:190
693890220,1sleep0694115-21cut21:25:140
691215220,0sleep00-21swapper/021:17:220
689287220,0sleep00-21swapper/021:13:210
687126220,0sleep00-21swapper/021:06:120
686251220,1sleep1686429-21cat21:05:131
671944220,1sleep00-21swapper/020:28:460
667021220,1sleep20-21swapper/220:15:162
666665220,1sleep0666949-21df20:15:140
664621220,0sleep2664647-21apt-get20:10:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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