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2026-04-10 - 09:03
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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 Apr 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277009991312,0cyclictest0-21swapper/320:55:123
27700999130,1cyclictest0-21swapper/319:35:123
27700999130,11cyclictest0-21swapper/322:55:103
277009991211,0cyclictest0-21swapper/321:05:003
27700999120,1cyclictest0-21swapper/322:05:123
27700999120,1cyclictest0-21swapper/319:50:103
27700999120,11cyclictest0-21swapper/322:40:013
27700999120,11cyclictest0-21swapper/321:45:123
27700999120,11cyclictest0-21swapper/319:30:193
27700999120,11cyclictest0-21swapper/319:20:123
27700999120,10cyclictest0-21swapper/300:10:013
277009991111,0cyclictest0-21swapper/323:15:193
277009991111,0cyclictest0-21swapper/320:50:193
277009991110,0cyclictest0-21swapper/322:45:153
27700999110,10cyclictest0-21swapper/323:10:183
27700999110,10cyclictest0-21swapper/322:15:193
27700999110,10cyclictest0-21swapper/321:20:133
27700999110,10cyclictest0-21swapper/300:10:023
27700999110,0cyclictest0-21swapper/321:40:123
27700999109,0cyclictest0-21swapper/320:35:123
27700999109,0cyclictest0-21swapper/320:15:123
277009991010,0cyclictest0-21swapper/322:25:123
277009991010,0cyclictest0-21swapper/322:25:013
277009991010,0cyclictest0-21swapper/321:35:123
27700999100,0cyclictest0-21swapper/323:45:113
27700999100,0cyclictest0-21swapper/322:50:173
27700999100,0cyclictest0-21swapper/300:00:003
2770099999,0cyclictest0-21swapper/321:35:003
2770099998,0cyclictest0-21swapper/323:30:163
2770099998,0cyclictest0-21swapper/322:10:153
2770099997,1cyclictest0-21swapper/320:00:123
2770099997,1cyclictest0-21swapper/319:10:103
2770099988,0cyclictest0-21swapper/323:22:393
2770099988,0cyclictest0-21swapper/322:30:133
2770099988,0cyclictest0-21swapper/321:50:143
2770099988,0cyclictest0-21swapper/300:00:183
2770099987,0cyclictest0-21swapper/323:35:143
2770099980,0cyclictest0-21swapper/320:40:113
2770099980,0cyclictest0-21swapper/300:35:023
2770099977,0cyclictest0-21swapper/323:41:283
2770099977,0cyclictest0-21swapper/322:01:433
2770099977,0cyclictest0-21swapper/320:30:123
2770099977,0cyclictest0-21swapper/320:20:123
2770099977,0cyclictest0-21swapper/320:10:103
2770099977,0cyclictest0-21swapper/319:55:123
2770099977,0cyclictest0-21swapper/319:55:123
2770099977,0cyclictest0-21swapper/319:45:133
2770099977,0cyclictest0-21swapper/300:35:143
2770099977,0cyclictest0-21swapper/300:25:123
2770099976,0cyclictest0-21swapper/319:15:153
275890271,4sleep30-21swapper/319:05:163
2770099966,0cyclictest0-21swapper/323:00:183
2770099966,0cyclictest0-21swapper/320:05:103
2770099965,0cyclictest0-21swapper/321:15:133
2770099960,0cyclictest0-21swapper/300:15:153
2770099960,0cyclictest0-21swapper/300:15:153
2770099955,0cyclictest0-21swapper/321:30:003
2770099955,0cyclictest0-21swapper/319:30:013
2770099954,1cyclictest0-21swapper/321:10:143
2770099954,0cyclictest0-21swapper/323:25:053
2770099954,0cyclictest0-21swapper/321:05:163
14039850,2rtkit-daemon766-21snmpd19:07:111
2770099944,0cyclictest0-21swapper/323:51:293
2770099944,0cyclictest0-21swapper/320:45:573
2770099944,0cyclictest0-21swapper/319:40:453
2770099944,0cyclictest0-21swapper/300:21:163
2770099943,0cyclictest0-21swapper/322:40:013
2770099940,3cyclictest345034-21chrt21:55:303
2770099940,3cyclictest308208-21chrt20:25:233
2770099940,3cyclictest0-21swapper/323:05:183
275437241,1sleep00-21swapper/019:05:130
275173241,1sleep20-21swapper/219:05:112
14039840,2rtkit-daemon772-21lldpd21:57:431
14039840,2rtkit-daemon766-21snmpd23:56:002
14039840,2rtkit-daemon766-21snmpd23:50:252
14039840,2rtkit-daemon766-21snmpd22:53:552
14039840,2rtkit-daemon766-21snmpd22:16:391
14039840,2rtkit-daemon372674-21cat23:04:562
14039840,2rtkit-daemon1-21systemd22:43:381
14039840,2rtkit-daemon1-21systemd00:33:562
14039840,2rtkit-daemon1-21systemd00:01:212
14039840,1rtkit-daemon772-21lldpd00:38:362
14039840,1rtkit-daemon328-21plymouthd21:44:511
14039840,1rtkit-daemon1-21systemd00:10:542
335098230,1sleep1335124-21apt-get21:35:111
318658230,0sleep00-21swapper/020:55:120
14039830,2rtkit-daemon772-21lldpd22:35:591
14039830,2rtkit-daemon766-21snmpd23:49:202
14039830,2rtkit-daemon279033-21munin-node20:40:141
14039830,2rtkit-daemon1-21systemd19:17:041
14039830,1rtkit-daemon769-21ntpd20:59:211
14039830,1rtkit-daemon769-21ntpd20:52:481
14039830,1rtkit-daemon769-21ntpd19:57:331
14039830,1rtkit-daemon769-21ntpd19:57:331
14039830,1rtkit-daemon766-21snmpd22:34:151
14039830,1rtkit-daemon766-21snmpd22:25:511
14039830,1rtkit-daemon766-21snmpd21:50:011
14039830,1rtkit-daemon766-21snmpd00:05:202
14039830,1rtkit-daemon691-21gmain00:17:212
14039830,1rtkit-daemon691-21gmain00:17:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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