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2026-04-08 - 06:55
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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 Wed Apr 08, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30574599140,12cyclictest0-21swapper/322:40:123
305745991310,1cyclictest0-21swapper/320:30:123
305745991211,0cyclictest0-21swapper/321:25:013
305745991211,0cyclictest0-21swapper/320:05:113
305745991210,1cyclictest0-21swapper/322:35:123
30574599120,8cyclictest0-21swapper/323:20:123
30574599120,11cyclictest0-21swapper/323:10:183
30574599120,11cyclictest0-21swapper/321:50:143
30574599120,11cyclictest0-21swapper/320:40:023
30574599120,11cyclictest0-21swapper/320:00:183
30574599120,11cyclictest0-21swapper/319:25:173
30574599120,11cyclictest0-21swapper/319:20:013
305745991111,0cyclictest0-21swapper/321:45:113
30574599110,10cyclictest0-21swapper/323:55:203
30574599110,10cyclictest0-21swapper/322:45:013
30574599110,0cyclictest0-21swapper/300:20:113
30574599110,0cyclictest0-21swapper/300:10:013
30574599109,0cyclictest0-21swapper/322:50:113
30574599109,0cyclictest0-21swapper/321:40:143
30574599109,0cyclictest0-21swapper/319:35:173
30574599109,0cyclictest0-21swapper/319:25:003
305745991010,0cyclictest0-21swapper/321:30:173
305745991010,0cyclictest0-21swapper/320:55:133
305745991010,0cyclictest0-21swapper/320:20:123
305745991010,0cyclictest0-21swapper/319:45:163
305745991010,0cyclictest0-21swapper/319:10:113
305745991010,0cyclictest0-21swapper/300:00:133
30574599100,9cyclictest0-21swapper/322:30:003
30574599100,10cyclictest0-21swapper/322:05:003
30574599100,0cyclictest0-21swapper/322:05:123
30574599100,0cyclictest0-21swapper/321:55:103
30574599100,0cyclictest0-21swapper/300:30:173
3057459999,0cyclictest0-21swapper/323:45:163
3057459999,0cyclictest0-21swapper/323:09:133
3057459999,0cyclictest0-21swapper/321:35:123
3057459999,0cyclictest0-21swapper/319:50:173
3057459998,0cyclictest0-21swapper/323:25:183
3057459998,0cyclictest0-21swapper/319:40:133
3057459990,8cyclictest0-21swapper/322:30:113
3057459990,0cyclictest0-21swapper/319:55:193
3057459990,0cyclictest0-21swapper/300:10:173
3057459988,0cyclictest0-21swapper/323:50:193
3057459988,0cyclictest0-21swapper/323:35:183
3057459988,0cyclictest0-21swapper/323:15:133
3057459988,0cyclictest0-21swapper/322:16:073
3057459988,0cyclictest0-21swapper/322:10:123
3057459980,7cyclictest0-21swapper/323:35:013
3057459980,7cyclictest0-21swapper/321:30:023
3057459980,7cyclictest0-21swapper/320:10:113
3057459980,0cyclictest0-21swapper/323:00:003
3057459977,0cyclictest0-21swapper/322:20:133
3057459977,0cyclictest0-21swapper/320:45:123
3057459977,0cyclictest0-21swapper/320:15:123
3057459977,0cyclictest0-21swapper/319:30:123
3057459977,0cyclictest0-21swapper/300:29:163
304804271,4sleep30-21swapper/319:05:183
3057459966,0cyclictest0-21swapper/323:45:023
3057459966,0cyclictest0-21swapper/300:15:123
3057459961,2cyclictest0-21swapper/321:00:123
3057459960,5cyclictest0-21swapper/320:40:203
424348250,4sleep0424473-21/usr/sbin/munin00:00:140
3057459955,0cyclictest0-21swapper/321:05:183
3057459954,0cyclictest0-21swapper/321:10:043
14039850,3rtkit-daemon766-21snmpd19:22:451
14039850,2rtkit-daemon0-21swapper/119:05:081
14039850,1rtkit-daemon0-21swapper/119:35:401
3057459944,0cyclictest0-21swapper/321:18:233
3057459944,0cyclictest0-21swapper/320:50:433
3057459944,0cyclictest0-21swapper/320:25:123
3057459943,0cyclictest0-21swapper/300:35:083
3057459942,1cyclictest0-21swapper/323:00:133
305273242,1sleep20-21swapper/219:06:052
14039840,2rtkit-daemon766-21snmpd23:38:131
14039840,2rtkit-daemon766-21snmpd21:43:571
14039840,2rtkit-daemon766-21snmpd21:26:121
14039840,2rtkit-daemon766-21snmpd00:00:571
14039840,2rtkit-daemon622-21wpa_supplicant23:18:151
14039840,2rtkit-daemon307795-21munin-node23:10:141
14039840,2rtkit-daemon1-21systemd22:37:461
14039840,1rtkit-daemon622-21wpa_supplicant22:55:141
430282232,1sleep01410-21sendmail-mta00:14:480
404275230,2sleep0404406-21switchtime23:10:190
401075230,0sleep20-21swapper/223:05:122
399149230,2sleep0399420-21df_inode23:00:140
394733230,1sleep0394980-21diskstats22:50:140
376781230,0sleep10-21swapper/122:07:281
366892230,1sleep2366918-21apt-get21:45:112
365793230,2sleep2366095-21unixbench_singl21:40:202
358729230,2sleep0358783-21tail21:25:120
352628230,1sleep1352654-21apt-get21:10:121
304378231,1sleep00-21swapper/019:05:160
14039830,2rtkit-daemon766-21snmpd22:01:371
14039830,2rtkit-daemon418-21systemd-journal23:22:381
14039830,1rtkit-daemon772-21lldpd23:06:431
14039830,1rtkit-daemon769-21ntpd22:45:241
14039830,1rtkit-daemon769-21ntpd21:52:021
14039830,1rtkit-daemon766-21snmpd23:27:211
14039830,1rtkit-daemon766-21snmpd20:10:021
14039830,1rtkit-daemon766-21snmpd00:12:321
14039830,1rtkit-daemon422188-21ssh23:55:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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