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2026-05-26 - 19:47
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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 Tue May 26, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319862960,0sleep30-21swapper/311:30:043
315402570,0sleep131538-21lspci10:54:001
93542560,2sleep11386299cyclictest12:01:181
59712560,0sleep10-21swapper/111:38:551
32772540,0sleep10-21swapper/109:14:191
300772520,0sleep10-21swapper/109:17:311
230452520,0sleep20-21swapper/211:54:132
101322520,1sleep2699-21gdbus11:08:482
101072520,0sleep30-21swapper/309:56:433
101072520,0sleep30-21swapper/309:56:433
222502510,2sleep21387399cyclictest10:25:262
204252510,0sleep00-21swapper/011:40:090
96472500,0sleep10-21swapper/112:37:271
323222500,1sleep00-21swapper/010:15:150
207252500,0sleep20-21swapper/211:48:292
156242500,0sleep00-21swapper/010:55:200
133172500,2sleep113319-21grep07:05:211
248042490,0sleep20-21swapper/211:37:442
221542490,0sleep10-21swapper/112:32:571
202362490,0sleep0111rcuc/009:20:150
61912480,0sleep10-21swapper/111:33:221
254732480,0sleep20-21swapper/210:59:032
133222480,0sleep20-21swapper/210:52:262
3482470,0sleep30-21swapper/312:11:383
126792470,1sleep2311rcuc/210:21:532
272562450,2sleep21387399cyclictest10:09:202
185722430,2sleep31388099cyclictest09:51:533
264082420,0sleep20-21swapper/211:32:192
47942410,2sleep11386299cyclictest10:21:111
146782390,1sleep014672-21lspci10:08:140
175742350,1sleep0101ktimersoftd/010:44:310
1337022715,7sleep20-21swapper/207:05:232
1345722614,7sleep30-21swapper/307:06:283
1194522520,3sleep00-21swapper/007:05:020
39582190,0sleep0101ktimersoftd/012:28:370
156862190,2sleep11386299cyclictest09:31:371
57162170,1sleep3391rcuc/310:18:343
314572170,0sleep231458-21bash11:43:522
287472170,0sleep30-21swapper/311:57:283
162732170,0sleep10-21swapper/109:23:491
1388099170,1cyclictest29246-21grep10:12:143
1388099170,1cyclictest29246-21grep10:12:133
1388099170,1cyclictest12963-21sshd12:37:443
11632170,0sleep30-21swapper/311:02:273
32602160,0sleep10-21swapper/112:20:131
247202160,0sleep10-21swapper/110:17:241
208502160,0sleep20-21swapper/211:23:342
179282160,0sleep10-21swapper/111:45:241
1388099160,1cyclictest1-21systemd09:38:133
127932160,0sleep20-21swapper/212:34:592
160782150,0sleep00-21swapper/012:07:250
1388099154,8cyclictest19199-21sshd12:15:583
1388099150,2cyclictest16468-21lspci11:28:423
1388099150,1cyclictest17486-21bash09:19:593
1388099150,0cyclictest0-21swapper/311:52:433
91012140,0sleep30-21swapper/311:44:463
62992140,0sleep20-21swapper/212:17:402
163262140,1sleep316328-21bash11:39:483
140322140,0sleep10-21swapper/112:07:141
1388099143,5cyclictest18298-21sshd10:50:073
13880991410,3cyclictest0-21swapper/310:37:243
1386299140,1cyclictest1-21systemd10:00:331
13855991412,1cyclictest0-21swapper/011:53:490
109562140,1sleep310950-21bash10:24:343
22382130,0sleep00-21swapper/011:27:280
209982130,0sleep2311rcuc/207:25:132
180212130,0sleep018016-21sshd10:00:120
13880991312,0cyclictest0-21swapper/312:22:143
13880991311,1cyclictest674-21dbus-daemon12:27:033
1388099130,2cyclictest3060-21grep12:06:173
1388099130,1cyclictest710-21NetworkManager11:16:583
1388099130,0cyclictest0-21swapper/310:01:033
1388099130,0cyclictest0-21swapper/309:21:573
1385599130,12cyclictest562-21sshd11:10:400
298942120,0sleep00-21swapper/012:30:480
244062120,0sleep10-21swapper/111:15:271
15012120,0sleep00-21swapper/011:16:180
1388099124,7cyclictest674-21dbus-daemon09:25:433
1388099121,5cyclictest0-21swapper/310:55:063
1388099120,2cyclictest660-21avahi-daemon10:43:543
1388099120,2cyclictest24328-21sshd11:21:023
1388099120,2cyclictest19860-21lspci09:43:423
1388099120,1cyclictest674-21dbus-daemon10:25:353
1388099120,1cyclictest6454-21sshd12:03:523
1388099120,1cyclictest19080-21lspci11:09:343
1388099120,1cyclictest15574-21sshd12:32:243
1388099120,1cyclictest12202-21sshd10:05:143
1388099120,1cyclictest1-21systemd11:12:293
1388099120,11cyclictest7758-21sshd09:48:143
13873991210,1cyclictest699-21gdbus09:48:272
13873991210,1cyclictest11185-21lspci12:04:172
1387399120,11cyclictest642-21systemd-logind11:02:162
1387399120,11cyclictest2890-21sshd12:22:572
1387399120,11cyclictest0-21swapper/211:18:372
1387399120,11cyclictest0-21swapper/210:36:462
1387399120,11cyclictest0-21swapper/210:13:162
1387399120,11cyclictest0-21swapper/210:13:162
13862991210,1cyclictest0-21swapper/112:11:341
1386299120,1cyclictest674-21dbus-daemon11:22:441
1386299120,1cyclictest24943-21sshd09:46:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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