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2026-05-16 - 20:06
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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 Sat May 16, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321142202147,42sleep20-21swapper/207:05:062
14992201162,27sleep30-21swapper/307:06:073
15422199161,25sleep10-21swapper/107:06:421
14642197160,24sleep00-21swapper/007:05:400
47322600,0sleep30-21swapper/310:47:193
1903991715,1cyclictest9-21ksoftirqd/010:00:000
70222160,0sleep20-21swapper/210:07:132
1903991615,1cyclictest9-21ksoftirqd/009:25:150
1920991512,2cyclictest20256-21diskstats12:35:143
1920991511,3cyclictest0-21swapper/309:40:133
190399159,1cyclictest9-21ksoftirqd/012:30:210
1903991514,1cyclictest9-21ksoftirqd/011:50:210
1903991513,1cyclictest9-21ksoftirqd/011:05:190
1903991513,1cyclictest9-21ksoftirqd/010:10:130
1903991513,1cyclictest9-21ksoftirqd/010:10:130
190399148,1cyclictest9-21ksoftirqd/009:20:150
190399147,6cyclictest9-21ksoftirqd/008:25:130
1903991413,1cyclictest9-21ksoftirqd/012:00:120
1903991413,1cyclictest9-21ksoftirqd/011:25:190
1903991413,1cyclictest9-21ksoftirqd/009:45:200
1903991413,1cyclictest9-21ksoftirqd/009:45:000
1903991413,1cyclictest9-21ksoftirqd/008:20:200
1903991413,1cyclictest9-21ksoftirqd/008:20:200
192099134,8cyclictest30063-21grep08:05:203
192099132,10cyclictest7517-21apt-get07:20:113
1920991313,0cyclictest0-21swapper/310:53:373
1920991311,2cyclictest23592-21python11:55:193
1920991311,2cyclictest0-21swapper/310:40:123
1920991311,1cyclictest7181-21ssh12:17:323
1920991310,2cyclictest16354-21diskstats10:20:143
190399135,7cyclictest9-21ksoftirqd/010:05:190
1903991312,1cyclictest9-21ksoftirqd/010:34:540
1903991312,1cyclictest9-21ksoftirqd/008:50:130
1903991311,1cyclictest9-21ksoftirqd/011:40:110
96332120,0sleep10-21swapper/107:25:001
192099129,2cyclictest31399-21aten_r1power_po09:15:133
192099125,6cyclictest17013-21ntpq12:30:183
192099122,9cyclictest21497-21ssh10:25:463
1920991211,1cyclictest35-21ksoftirqd/308:35:003
1920991210,2cyclictest30209-21ssh09:13:073
1920991210,1cyclictest4021-21ssh12:14:063
1920991210,1cyclictest17585-21ssh11:48:233
1920991210,1cyclictest0-21swapper/311:40:203
1920991210,1cyclictest0-21swapper/311:05:153
192099121,10cyclictest0-21swapper/312:05:123
192099121,10cyclictest0-21swapper/307:15:123
191199120,1cyclictest0-21swapper/209:58:032
190399129,3cyclictest9-21ksoftirqd/011:46:550
1903991211,1cyclictest9-21ksoftirqd/011:40:000
1903991211,1cyclictest9-21ksoftirqd/011:00:160
1903991211,1cyclictest9-21ksoftirqd/009:35:140
1903991211,1cyclictest9-21ksoftirqd/009:00:120
1903991211,1cyclictest9-21ksoftirqd/007:10:190
1903991210,2cyclictest9-21ksoftirqd/009:11:320
1903991210,1cyclictest9-21ksoftirqd/010:00:200
1903991210,1cyclictest9-21ksoftirqd/009:10:000
1903991210,1cyclictest9-21ksoftirqd/008:40:000
1903991210,1cyclictest9-21ksoftirqd/007:25:000
190399120,12cyclictest0-21swapper/011:55:110
192099119,2cyclictest32312-21ssh09:58:093
192099119,2cyclictest0-21swapper/310:01:393
192099119,1cyclictest308-21diskstats11:25:143
192099118,2cyclictest29059-21diskstats11:20:143
192099118,2cyclictest26590-21tail09:50:153
192099118,2cyclictest13949-21df11:00:133
192099116,4cyclictest10294-21runrttasks09:29:323
192099116,4cyclictest0-21swapper/308:25:193
192099112,1cyclictest6023-21ssh09:23:283
192099112,1cyclictest20237-21sh11:50:233
1920991110,1cyclictest27172-21diskmemload11:16:063
1920991110,1cyclictest0-21swapper/310:30:123
1920991110,1cyclictest0-21swapper/309:35:203
190399119,1cyclictest9-21ksoftirqd/012:40:000
190399115,1cyclictest9-21ksoftirqd/008:45:000
1903991111,0cyclictest9-21ksoftirqd/010:39:100
1903991110,1cyclictest9-21ksoftirqd/012:25:130
1903991110,1cyclictest9-21ksoftirqd/011:15:150
192099109,1cyclictest27172-21diskmemload10:56:463
192099109,1cyclictest0-21swapper/310:37:293
192099109,1cyclictest0-21swapper/308:49:593
192099109,1cyclictest0-21swapper/307:25:143
192099105,4cyclictest27172-21diskmemload11:11:363
192099104,5cyclictest0-21swapper/309:45:383
192099104,3cyclictest240-21systemd-journal07:12:273
192099103,7cyclictest0-21swapper/311:31:023
192099102,7cyclictest13528-21expr08:40:123
192099102,5cyclictest2373-21/usr/sbin/munin08:15:203
1920991010,0cyclictest0-21swapper/309:30:173
192099101,8cyclictest35-21ksoftirqd/310:15:563
192099101,6cyclictest9577-21ntp_states12:20:183
192099101,1cyclictest693-21runrttasks10:06:343
190399109,1cyclictest9-21ksoftirqd/012:20:120
190399109,1cyclictest9-21ksoftirqd/012:11:450
190399109,1cyclictest9-21ksoftirqd/010:20:140
190399109,1cyclictest9-21ksoftirqd/009:50:150
190399109,1cyclictest9-21ksoftirqd/009:16:140
190399109,1cyclictest9-21ksoftirqd/007:55:000
190399109,1cyclictest9-21ksoftirqd/007:30:010
190399108,1cyclictest9-21ksoftirqd/012:05:140
190399108,1cyclictest9-21ksoftirqd/010:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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