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2025-12-18 - 18:55
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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 rack2slot0.osadl.org (updated Thu Dec 18, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259612890,2sleep02166899cyclictest09:20:170
73942780,2sleep22167899cyclictest09:29:322
250902550,2sleep22167899cyclictest12:21:182
190532550,0sleep00-21swapper/011:45:280
72672540,0sleep00-21swapper/010:57:250
112982510,0sleep10-21swapper/111:44:531
236392500,0sleep20-21swapper/212:35:522
189422500,0sleep00-21swapper/009:19:010
105392500,0sleep00-21swapper/012:31:460
270302490,0sleep30-21swapper/311:55:083
149172490,0sleep00-21swapper/011:21:360
3662480,0sleep30-21swapper/310:48:033
322742480,0sleep00-21swapper/009:51:250
66352470,0sleep20-21swapper/210:42:452
314432460,0sleep10-21swapper/111:29:021
252692460,0sleep00-21swapper/012:39:030
286062410,2sleep12167399cyclictest11:11:041
185952370,0sleep3391rcuc/309:38:263
212382308,7sleep30-21swapper/307:05:553
212912298,7sleep00-21swapper/007:06:320
2146222615,7sleep20-21swapper/207:08:422
289532250,0sleep10-21swapper/112:04:071
214162258,6sleep10-21swapper/107:08:091
32372180,0sleep20-21swapper/210:18:342
153082170,0sleep30-21swapper/312:32:133
183872160,0sleep20-21swapper/210:49:422
94802150,0sleep20-21swapper/212:14:052
75632150,0sleep10-21swapper/111:32:431
312292150,0sleep10-21swapper/112:24:541
284462150,0sleep00-21swapper/010:27:100
107382150,0sleep20-21swapper/211:12:252
54592140,1sleep25458-21threads07:45:212
325812140,1sleep232585-21bash09:51:272
270752140,1sleep0101ktimersoftd/010:06:030
2167899140,13cyclictest18467-21sshd11:27:502
202192140,0sleep10-21swapper/110:44:011
179812140,0sleep10-21swapper/110:52:351
66562130,0sleep00-21swapper/011:32:380
38372130,0sleep20-21swapper/209:32:522
2168599130,11cyclictest30750-21bash10:42:003
2167899130,12cyclictest6678-21sshd10:51:302
19232130,0sleep01-21systemd12:16:160
2168599120,11cyclictest0-21swapper/307:55:203
2168599120,0cyclictest0-21swapper/312:03:003
2167899120,1cyclictest9942-21date12:20:002
2167899120,11cyclictest19049-21lspci11:36:402
21673991210,1cyclictest0-21swapper/112:25:131
2167399120,1cyclictest1-21systemd11:51:131
2167399120,11cyclictest674-21dbus-daemon10:03:431
2167399120,11cyclictest0-21swapper/109:19:131
21668991210,1cyclictest674-21dbus-daemon11:27:550
2166899120,1cyclictest0-21swapper/011:01:050
2166899120,11cyclictest674-21dbus-daemon10:18:450
2166899120,11cyclictest0-21swapper/010:34:050
189312120,0sleep10-21swapper/111:48:291
117612120,0sleep3391rcuc/310:04:213
272452110,0sleep30-21swapper/310:59:173
21685991110,0cyclictest0-21swapper/312:19:103
2168599110,10cyclictest0-21swapper/311:38:503
2168599110,10cyclictest0-21swapper/311:06:103
2168599110,10cyclictest0-21swapper/310:32:003
2168599110,0cyclictest0-21swapper/311:41:303
2168599110,0cyclictest0-21swapper/311:35:003
2168599110,0cyclictest0-21swapper/309:55:403
2167899119,1cyclictest32666-21grepconf.sh10:21:402
2167899119,1cyclictest0-21swapper/212:09:012
2167899110,10cyclictest0-21swapper/211:18:212
2167899110,10cyclictest0-21swapper/209:45:212
2167899110,10cyclictest0-21swapper/209:37:402
2167899110,0cyclictest0-21swapper/210:03:402
2167399119,1cyclictest0-21swapper/112:08:431
21673991110,0cyclictest0-21swapper/110:18:431
2167399110,1cyclictest12559-21bash09:37:431
2167399110,10cyclictest0-21swapper/111:58:031
2167399110,10cyclictest0-21swapper/110:37:231
2167399110,10cyclictest0-21swapper/109:31:131
2167399110,10cyclictest0-21swapper/109:21:041
2167399110,0cyclictest0-21swapper/112:10:331
2166899119,1cyclictest10007-21sshd11:44:450
21668991110,0cyclictest3980-21lspci11:11:480
2166899110,10cyclictest0-21swapper/010:37:250
2166899110,0cyclictest15915-21sshd10:00:560
2168599108,1cyclictest674-21dbus-daemon11:52:113
2168599100,0cyclictest0-21swapper/312:13:403
2168599100,0cyclictest0-21swapper/311:49:303
2168599100,0cyclictest0-21swapper/309:32:513
2168599100,0cyclictest0-21swapper/309:18:003
2167899109,0cyclictest0-21swapper/209:56:102
2167899108,1cyclictest29698-21sshd10:59:302
2167899108,1cyclictest17868-21runrttasks10:26:102
2167899100,0cyclictest0-21swapper/211:32:502
2167899100,0cyclictest0-21swapper/209:21:002
2167399108,1cyclictest18298-21sshd10:29:131
2167399100,9cyclictest0-21swapper/108:39:231
2167399100,9cyclictest0-21swapper/108:07:231
2167399100,0cyclictest0-21swapper/110:56:531
2167399100,0cyclictest0-21swapper/107:30:201
2166899109,0cyclictest0-21swapper/012:03:550
2166899109,0cyclictest0-21swapper/009:42:550
2166899100,9cyclictest0-21swapper/010:13:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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