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2026-04-19 - 00:31
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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 Sat Apr 18, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315232570,1sleep331520-21lspci10:04:313
13822550,2sleep2635999cyclictest11:22:402
72582540,0sleep00-21swapper/012:19:360
304002540,1sleep3674-21dbus-daemon09:39:263
100652540,0sleep010068-21bash12:02:350
268222530,0sleep20-21swapper/211:34:582
69112520,0sleep00-21swapper/011:11:040
310332520,0sleep30-21swapper/311:52:213
246962520,0sleep30-21swapper/311:00:463
236462510,0sleep20-21swapper/211:06:382
56432500,0sleep1231rcuc/112:05:091
77702490,0sleep20-21swapper/210:59:212
188312490,0sleep20-21swapper/210:45:462
188302480,0sleep10-21swapper/110:31:321
180022480,0sleep10-21swapper/109:49:271
180022480,0sleep10-21swapper/109:49:261
78832470,0sleep10-21swapper/111:23:191
7762470,0sleep00-21swapper/010:10:120
244982460,0sleep30-21swapper/311:45:123
175892460,0sleep20-21swapper/212:17:392
15902450,0sleep30-21swapper/312:33:143
283572440,0sleep20-21swapper/212:12:552
118042400,1sleep3401ktimersoftd/309:24:093
66882390,0sleep10-21swapper/110:19:111
194392370,0sleep20-21swapper/212:20:362
533423320,8sleep10-21swapper/107:05:181
60192308,7sleep20-21swapper/207:07:102
59332298,7sleep00-21swapper/007:06:050
619322311,7sleep30-21swapper/307:09:233
248052220,1sleep224802-21lspci09:38:582
190442210,0sleep1231rcuc/110:11:461
279272180,0sleep0111rcuc/011:58:190
120692180,0sleep20-21swapper/212:34:092
59322170,0sleep00-21swapper/009:37:200
317072170,0sleep00-21swapper/009:47:500
317072170,0sleep00-21swapper/009:47:500
228812170,0sleep20-21swapper/211:03:382
72372160,0sleep00-21swapper/012:25:140
59792160,0sleep05944-21sshd10:24:450
39132160,0sleep00-21swapper/010:07:400
222352160,0sleep10-21swapper/112:32:121
84482150,1sleep28450-21cpuspeed_turbos11:50:122
72012150,0sleep00-21swapper/010:16:210
6358991515,0cyclictest527-40kipmi012:21:321
35482150,0sleep30-21swapper/311:32:263
324212150,1sleep132422-21bash11:32:041
318732150,1sleep231871-21lspci10:24:112
265032150,1sleep2321ktimersoftd/212:06:582
213042150,0sleep30-21swapper/311:27:463
6358991412,1cyclictest18905-21lspci11:57:261
34402140,0sleep00-21swapper/011:39:240
286482140,0sleep20-21swapper/209:10:222
230512140,0sleep233-21ksoftirqd/211:37:492
15182140,0sleep11488-21sshd12:38:491
81342130,0sleep00-21swapper/010:39:110
635999130,1cyclictest710-21NetworkManager09:41:372
635999130,1cyclictest674-21dbus-daemon10:19:372
635899133,1cyclictest25-21ksoftirqd/109:23:131
6358991311,1cyclictest699-21gdbus11:36:161
6357991311,1cyclictest31440-21kworker/0:311:00:460
6360991210,1cyclictest0-21swapper/309:54:393
6360991210,1cyclictest0-21swapper/309:54:393
636099120,11cyclictest27591-21bash10:23:493
636099120,11cyclictest0-21swapper/309:40:393
6359991210,1cyclictest6695-21sshd12:02:162
6359991210,1cyclictest642-21systemd-logind09:32:492
635999120,1cyclictest28323-21sshd11:25:172
635999120,1cyclictest20241-21lspci09:57:572
635899124,1cyclictest25-21ksoftirqd/110:29:561
635899120,1cyclictest29979-21gdbus11:43:061
635899120,11cyclictest23047-21sshd09:13:461
6357991210,1cyclictest622-13audispd11:50:180
635799120,11cyclictest4389-21lspci10:33:090
191442120,0sleep00-21swapper/010:48:460
157402120,0sleep30-21swapper/310:57:053
636099119,1cyclictest0-21swapper/310:29:493
6360991110,0cyclictest0-21swapper/312:35:393
6360991110,0cyclictest0-21swapper/312:22:193
6360991110,0cyclictest0-21swapper/312:16:393
6360991110,0cyclictest0-21swapper/309:18:093
636099110,0cyclictest0-21swapper/311:56:193
6359991110,0cyclictest0-21swapper/210:11:272
6359991110,0cyclictest0-21swapper/210:06:262
6359991110,0cyclictest0-21swapper/209:17:572
635999110,10cyclictest0-21swapper/212:39:572
635999110,10cyclictest0-21swapper/211:15:072
635899119,1cyclictest25-21ksoftirqd/111:28:461
635899111,1cyclictest25-21ksoftirqd/111:54:341
6358991110,0cyclictest0-21swapper/111:11:051
635899110,1cyclictest131rcu_sched09:40:171
635899110,0cyclictest0-21swapper/110:01:061
635799119,1cyclictest22529-21lspci12:06:360
6357991110,0cyclictest0-21swapper/011:26:480
6357991110,0cyclictest0-21swapper/009:05:190
635799110,10cyclictest9380-21sshd09:43:080
635799110,10cyclictest0-21swapper/012:20:500
636099109,0cyclictest0-21swapper/312:13:493
636099109,0cyclictest0-21swapper/311:21:493
636099108,1cyclictest699-21gdbus11:35:583
636099108,1cyclictest5815-21sshd12:25:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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