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2026-04-24 - 06:33
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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 Fri Apr 24, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229021030,0sleep02291-21sshd22:19:100
1902921000,2sleep1220199cyclictest21:25:251
83432980,2sleep1220199cyclictest00:10:301
140582980,2sleep1220199cyclictest22:45:081
137922780,0sleep30-21swapper/322:42:173
154272750,0sleep30-21swapper/322:50:423
183692680,1sleep218358-21sshd21:41:362
90902590,0sleep00-21swapper/023:59:360
225362590,1sleep122540-21grepconf.sh22:23:411
235142570,0sleep30-21swapper/323:55:143
222692570,1sleep11026-21sshd23:44:031
199202560,0sleep00-21swapper/000:08:490
207782550,0sleep30-21swapper/322:37:203
190632550,0sleep00-21swapper/023:10:260
64822530,1sleep36484-21bash21:48:573
280012530,0sleep30-21swapper/321:36:523
180842530,0sleep10-21swapper/123:27:001
303392520,2sleep1220199cyclictest23:22:331
28392520,2sleep3220399cyclictest23:34:033
121672520,0sleep10-21swapper/122:31:021
111132520,0sleep00-21swapper/021:12:460
66922510,0sleep30-21swapper/321:12:143
258872510,0sleep20-21swapper/200:25:502
111832510,1sleep20-21swapper/221:35:232
142992500,1sleep014292-21sshd23:48:540
175792490,0sleep30-21swapper/319:45:123
43092480,0sleep00-21swapper/023:03:410
243282480,0sleep00-21swapper/023:08:090
207522480,0sleep20-21swapper/221:21:452
170542480,1sleep317050-21lspci23:04:473
94542460,0sleep00-21swapper/023:54:040
22992440,0sleep10-21swapper/100:04:341
13012410,1sleep0101ktimersoftd/021:31:130
107252370,0sleep00-21swapper/022:39:170
83252360,1sleep31-21systemd00:07:483
287122360,0sleep00-21swapper/021:42:310
192892360,2sleep0220099cyclictest22:34:290
16922329,7sleep30-21swapper/319:05:213
19282298,6sleep20-21swapper/219:07:562
17222228,10sleep10-21swapper/119:05:391
144992220,1sleep114486-21lspci00:16:361
18352212,7sleep00-21swapper/019:06:500
33192200,0sleep20-21swapper/222:52:292
122192200,0sleep30-21swapper/321:32:353
78122190,0sleep07796-21sshd23:31:400
188202190,1sleep118816-21sshd23:18:471
168412190,0sleep20-21swapper/200:33:262
298722170,1sleep31-21systemd22:18:463
259012170,0sleep00-21swapper/022:07:180
235052170,0sleep00-21swapper/000:20:100
113922170,1sleep111389-21lspci21:52:081
246722160,0sleep20-21swapper/223:08:112
244912160,0sleep00-21swapper/023:24:510
2201991615,0cyclictest4885-21lspci21:40:241
127002160,0sleep30-21swapper/323:15:253
59032150,0sleep20-21swapper/222:33:192
322852150,0sleep30-21swapper/300:12:373
318482150,0sleep10-21swapper/100:34:451
27592150,0sleep30-21swapper/321:59:473
220299150,14cyclictest4322-21id00:21:142
80172140,0sleep20-21swapper/223:34:302
291402140,0sleep10-21swapper/122:04:501
2203991412,1cyclictest0-21swapper/322:55:223
2202991412,1cyclictest4859-21sshd21:54:242
2201991413,0cyclictest241ktimersoftd/123:31:251
125392140,0sleep00-21swapper/022:28:200
122462140,1sleep30-21swapper/322:33:523
2203991311,1cyclictest622-13audispd23:41:413
220399130,11cyclictest2475-21grep22:46:513
2201991312,0cyclictest26840-21lspci22:07:231
2201991312,0cyclictest11553-21lspci23:04:181
220199130,1cyclictest29608-21sshd23:52:591
20252130,0sleep00-21swapper/020:25:180
2203991211,0cyclictest1274-21lspci23:14:333
2203991210,1cyclictest3730-21sshd00:01:513
220399120,11cyclictest979-21sshd00:32:013
220399120,11cyclictest21901-21sshd23:27:213
2202991210,1cyclictest28207-21sshd00:15:042
2202991210,1cyclictest0-21swapper/221:45:432
220299120,1cyclictest0-21swapper/223:44:242
220299120,11cyclictest4588-21sshd21:19:532
220199123,1cyclictest25-21ksoftirqd/122:40:451
220199121,1cyclictest131rcu_sched21:37:471
220199120,1cyclictest30000-21sshd22:51:591
220199120,11cyclictest29979-21gdbus00:21:191
220199120,11cyclictest0-21swapper/121:24:091
2200991210,1cyclictest0-21swapper/000:18:510
220099120,1cyclictest674-21dbus-daemon21:39:200
220099120,11cyclictest16838-21bash00:36:100
132102120,0sleep30-21swapper/323:21:033
109782120,0sleep30-21swapper/322:11:323
2203991110,0cyclictest25364-21lspci21:22:203
2203991110,0cyclictest0-21swapper/322:05:513
2203991110,0cyclictest0-21swapper/300:38:123
2203991110,0cyclictest0-21swapper/300:19:413
220399110,10cyclictest0-21swapper/323:50:113
220399110,10cyclictest0-21swapper/322:03:113
220399110,10cyclictest0-21swapper/321:51:223
220399110,0cyclictest0-21swapper/320:50:213
220299119,1cyclictest674-21dbus-daemon22:26:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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