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2026-01-05 - 02:52
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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 Mon Jan 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182522950,0sleep018251-21bash00:36:310
203492940,0sleep020347-21sshd21:57:220
248342560,0sleep30-21swapper/300:37:053
240922540,0sleep20-21swapper/223:54:562
18702530,0sleep30-21swapper/323:58:363
189142520,0sleep20-21swapper/222:07:502
75052510,0sleep10-21swapper/122:06:321
303882510,0sleep00-21swapper/000:23:380
280092510,0sleep30-21swapper/323:29:573
171772510,0sleep10-21swapper/123:54:191
170912510,0sleep30-21swapper/322:46:443
271822500,0sleep00-21swapper/021:30:020
8492490,2sleep32016499cyclictest22:22:513
300612490,0sleep30-21swapper/322:39:303
238242490,1sleep2642-21systemd-logind23:32:202
190042480,0sleep10-21swapper/123:12:121
147672480,0sleep10-21swapper/121:11:331
12762480,0sleep1231rcuc/100:21:021
104682480,0sleep00-21swapper/022:54:380
222512470,0sleep00-21swapper/022:55:330
102022470,0sleep210201-21bash23:25:282
223822460,0sleep30-21swapper/322:41:353
223822460,0sleep30-21swapper/322:41:343
315322450,0sleep10-21swapper/121:48:011
240922440,0sleep30-21swapper/323:09:543
1990323010,7sleep20-21swapper/219:08:192
1971922817,7sleep10-21swapper/119:05:571
256062260,0sleep30-21swapper/321:29:543
1987422311,7sleep30-21swapper/319:07:563
182552219,7sleep00-21swapper/019:05:120
279092200,1sleep227907-21sshd00:17:472
2016499180,12cyclictest1-21systemd22:34:183
118442170,0sleep30-21swapper/321:45:473
79612160,0sleep0111rcuc/022:40:200
79612160,0sleep0111rcuc/022:40:200
61072160,0sleep00-21swapper/000:27:050
313902160,0sleep00-21swapper/023:52:400
290212160,1sleep341-21ksoftirqd/300:09:273
135542160,2sleep22016099cyclictest23:00:242
134292160,1sleep3674-21dbus-daemon23:22:593
100752150,0sleep20-21swapper/200:07:452
61962140,0sleep06199-21bash22:37:220
51162140,0sleep15122-21bash21:31:031
226152140,0sleep30-21swapper/322:11:423
2015599140,13cyclictest699-21gdbus22:16:181
147052140,1sleep014516-21sshd23:20:160
120952140,1sleep112091-21bash22:51:541
50372130,0sleep20-21swapper/222:42:542
50372130,0sleep20-21swapper/222:42:532
305822130,1sleep130537-21sshd00:34:521
20160991310,2cyclictest0-21swapper/221:14:072
20155991311,1cyclictest674-21dbus-daemon22:20:471
49432120,0sleep00-21swapper/023:44:480
253962120,0sleep10-21swapper/100:40:001
20164991210,1cyclictest29979-21gdbus00:22:583
2016499120,1cyclictest26400-21sshd22:05:083
2016499120,11cyclictest9350-21sshd23:00:093
2016099129,2cyclictest0-21swapper/219:20:262
2016099126,1cyclictest11243-21grep00:10:362
2016099125,2cyclictest660-21avahi-daemon21:21:462
2016099125,1cyclictest660-21avahi-daemon22:03:222
2016099120,1cyclictest7450-21sshd00:24:262
2016099120,11cyclictest19637-21id23:15:072
2016099120,11cyclictest19276-21grep23:57:162
2015599120,11cyclictest8711-21bash00:07:381
2015399120,1cyclictest17359-21sshd00:11:090
125972120,0sleep012598-21bash21:22:210
2016499119,1cyclictest30221-21sshd23:41:193
20164991110,0cyclictest0-21swapper/322:28:293
20164991110,0cyclictest0-21swapper/321:38:393
2016499110,10cyclictest0-21swapper/322:55:383
2016499110,10cyclictest0-21swapper/321:16:183
2016099118,2cyclictest0-21swapper/221:05:362
2016099118,2cyclictest0-21swapper/220:43:462
2016099118,2cyclictest0-21swapper/220:36:362
2016099115,2cyclictest660-21avahi-daemon23:46:562
2016099115,1cyclictest660-21avahi-daemon22:11:142
2016099115,1cyclictest26797-21sshd22:47:352
2016099115,1cyclictest1-21systemd00:04:092
2016099114,1cyclictest11378-21sshd00:27:332
20160991110,0cyclictest0-21swapper/223:05:062
2016099110,10cyclictest0-21swapper/223:41:472
2016099110,10cyclictest0-21swapper/222:56:062
2016099110,10cyclictest0-21swapper/220:49:472
2016099110,10cyclictest0-21swapper/219:45:262
2016099110,0cyclictest0-21swapper/223:37:162
20155991110,0cyclictest0-21swapper/123:22:471
2015599110,1cyclictest0-21swapper/123:49:271
2015599110,10cyclictest20990-21sshd23:34:571
20153991110,0cyclictest32550irq/27-ahci[00022:47:540
20153991110,0cyclictest32550irq/27-ahci[00022:28:200
20153991110,0cyclictest13509-21lspci23:00:240
20153991110,0cyclictest10116-21lspci21:45:340
2015399110,10cyclictest12011-21sshd23:08:500
2015399110,10cyclictest0-21swapper/021:36:190
2015399110,10cyclictest0-21swapper/021:10:290
2016499109,0cyclictest0-21swapper/322:18:293
2016499108,1cyclictest17345-21sshd22:04:093
2016499108,1cyclictest1-21systemd23:36:493
2016499100,0cyclictest0-21swapper/323:51:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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