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2025-12-02 - 17:11
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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 rack1slot1.osadl.org (updated Tue Dec 02, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214292208176,21sleep10-21swapper/107:09:141
213042200163,24sleep00-21swapper/007:07:360
211852199159,27sleep20-21swapper/207:06:052
212382197161,23sleep30-21swapper/307:06:463
114222750,0sleep10-21swapper/112:05:151
93392600,0sleep30-21swapper/310:30:163
41402180,1sleep24060-21ssh12:40:002
2157699170,1cyclictest0-21swapper/109:30:451
269722140,0sleep00-21swapper/010:10:150
2157699130,1cyclictest0-21swapper/112:35:171
2157699130,1cyclictest0-21swapper/112:15:121
2157699130,1cyclictest0-21swapper/109:00:221
2157699130,1cyclictest0-21swapper/107:20:151
98262120,0sleep20-21swapper/209:45:162
21589991210,1cyclictest35-21ksoftirqd/308:20:003
2157699120,1cyclictest0-21swapper/110:25:341
2157699120,1cyclictest0-21swapper/107:15:171
2157699120,0cyclictest0-21swapper/112:00:321
2157699120,0cyclictest0-21swapper/111:16:071
286782110,0sleep10-21swapper/109:28:191
2158099110,7cyclictest23935-21munin-node10:05:322
2157699110,2cyclictest0-21swapper/111:48:351
2157699110,2cyclictest0-21swapper/110:44:051
2157699110,2cyclictest0-21swapper/110:03:121
2157699110,11cyclictest0-21swapper/109:21:201
2157699110,10cyclictest0-21swapper/112:29:421
2157699110,10cyclictest0-21swapper/111:05:161
2157699110,10cyclictest0-21swapper/110:47:221
2157699110,1cyclictest0-21swapper/111:35:181
2157699110,1cyclictest0-21swapper/111:30:441
2157699110,1cyclictest0-21swapper/111:10:011
2157699110,1cyclictest0-21swapper/111:00:211
2157699110,1cyclictest0-21swapper/110:11:011
2157699110,1cyclictest0-21swapper/110:08:441
2157699110,1cyclictest0-21swapper/109:45:041
2157699110,1cyclictest0-21swapper/108:55:191
2157699110,1cyclictest0-21swapper/108:20:141
2157699110,0cyclictest0-21swapper/112:21:031
2157699110,0cyclictest0-21swapper/110:57:181
2157699110,0cyclictest0-21swapper/110:53:391
2157699110,0cyclictest0-21swapper/110:18:481
2157699110,0cyclictest0-21swapper/109:58:291
2157699110,0cyclictest0-21swapper/109:14:291
2156899113,4cyclictest11096-21munin-run12:05:000
2156899110,7cyclictest1293-21/usr/sbin/munin10:20:160
21580991010,0cyclictest14491-21diskmemload12:09:002
2157699102,1cyclictest0-21swapper/112:34:081
2157699101,1cyclictest0-21swapper/111:57:221
2157699100,9cyclictest0-21swapper/110:23:401
2157699100,2cyclictest0-21swapper/110:33:491
2157699100,1cyclictest0-21swapper/112:10:581
2157699100,1cyclictest0-21swapper/111:25:151
2157699100,1cyclictest0-21swapper/111:21:281
2157699100,1cyclictest0-21swapper/110:37:221
2157699100,1cyclictest0-21swapper/109:50:201
2157699100,1cyclictest0-21swapper/109:40:011
2157699100,1cyclictest0-21swapper/109:36:011
2157699100,0cyclictest0-21swapper/111:50:221
2157699100,0cyclictest0-21swapper/111:41:111
2156899108,1cyclictest9-21ksoftirqd/011:45:190
2156899105,3cyclictest18777-21cron10:45:000
212892100,1sleep09-21ksoftirqd/010:00:290
215899997,1cyclictest35-21ksoftirqd/308:40:003
215899991,7cyclictest23935-21munin-node09:00:573
215899991,5cyclictest14491-21diskmemload09:55:113
215809998,1cyclictest28-21ksoftirqd/211:14:312
215809990,7cyclictest0-21swapper/210:20:022
215769999,0cyclictest0-21swapper/108:02:281
215769990,8cyclictest0-21swapper/108:50:121
215769990,1cyclictest0-21swapper/109:19:421
215769990,1cyclictest0-21swapper/109:05:141
215769990,1cyclictest0-21swapper/108:25:121
215769990,1cyclictest0-21swapper/107:35:171
215689990,8cyclictest0-21swapper/009:55:570
215689990,7cyclictest0-21swapper/011:34:050
215689990,3cyclictest11353-21ssh10:34:070
215689990,3cyclictest0-21swapper/008:00:110
215899987,1cyclictest35-21ksoftirqd/307:35:013
215899987,0cyclictest35-21ksoftirqd/310:56:513
215899986,1cyclictest35-21ksoftirqd/308:35:013
215899986,1cyclictest0-21swapper/309:43:243
215899982,3cyclictest11510-21apt-get07:55:183
215899981,4cyclictest0-21swapper/311:15:143
215809987,1cyclictest28-21ksoftirqd/208:45:002
215809986,1cyclictest60950irq/123-eno108:30:112
215809984,2cyclictest254-21systemd-journal10:45:002
215809981,4cyclictest60950irq/123-eno109:55:102
215809980,6cyclictest554-21in:imuxsock10:02:032
215809980,5cyclictest570-21systemd-logind07:55:252
215809980,1cyclictest0-21swapper/208:25:122
215769980,5cyclictest0-21swapper/108:36:131
215769980,0cyclictest0-21swapper/107:30:191
215689987,1cyclictest29294-21perf09:29:590
215689985,0cyclictest14491-21diskmemload11:54:490
215689981,6cyclictest18334-21/usr/sbin/munin09:15:160
215689981,2cyclictest22309-21/usr/sbin/munin12:20:230
215689981,2cyclictest15285-21apt-get11:25:110
215689981,1cyclictest29595-21/usr/sbin/munin09:30:350
215689980,4cyclictest4191-21apt-get11:55:130
215689980,4cyclictest0-21swapper/012:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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