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2026-03-16 - 17:42
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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 Mar 16, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205402920,0sleep20-21swapper/210:40:062
288642620,2sleep23087099cyclictest11:00:012
208302620,0sleep20-21swapper/209:56:522
189092570,0sleep30-21swapper/309:39:273
256682560,1sleep31-21systemd12:08:263
17382560,1sleep0699-21gdbus09:51:210
188332550,0sleep30-21swapper/310:07:033
128222550,0sleep10-21swapper/112:21:021
124602530,0sleep20-21swapper/210:36:372
102252530,0sleep30-21swapper/309:48:523
88942520,0sleep00-21swapper/011:14:490
308412520,0sleep20-21swapper/210:27:122
155402520,1sleep315538-21lspci12:24:063
204322510,0sleep30-21swapper/312:16:123
181132510,0sleep10-21swapper/112:29:481
45622500,1sleep2311rcuc/211:30:522
201252500,0sleep00-21swapper/011:15:400
278442490,0sleep20-21swapper/212:16:512
103892490,0sleep30-21swapper/310:55:383
43522480,1sleep14351-21sshd11:11:381
237082480,0sleep10-21swapper/110:17:581
91652470,0sleep30-21swapper/311:23:053
71712470,0sleep00-21swapper/010:16:090
235082470,1sleep123506-21bash09:33:011
177032430,0sleep20-21swapper/212:24:162
98972400,1sleep233-21ksoftirqd/210:33:422
290992390,2sleep03085899cyclictest10:35:150
193352390,0sleep00-21swapper/011:23:580
108732360,0sleep30-21swapper/309:41:593
145702300,1sleep314569-21sshd10:31:193
306872297,7sleep00-21swapper/007:09:170
3070322814,9sleep10-21swapper/107:09:301
3075722210,7sleep20-21swapper/207:09:592
2895222210,7sleep30-21swapper/307:05:033
252842190,0sleep20-21swapper/210:11:102
49562180,2sleep33087599cyclictest10:41:273
39582180,0sleep20-21swapper/211:25:202
30875991816,1cyclictest674-21dbus-daemon09:33:353
230532180,1sleep323056-21bash12:27:253
179112180,0sleep00-21swapper/012:29:470
144702180,1sleep30-21swapper/310:23:043
271282170,0sleep30-21swapper/309:17:293
251432170,0sleep10-21swapper/112:38:381
63242160,0sleep10-21swapper/111:25:311
132972160,0sleep213200-21sshd09:38:502
285302150,0sleep20-21swapper/209:33:332
107672150,0sleep10-21swapper/112:01:411
9902140,0sleep3989-21bash10:15:283
326922140,0sleep00-21swapper/011:25:060
272962140,0sleep20-21swapper/212:11:192
250492140,0sleep00-21swapper/010:26:420
30875991311,1cyclictest0-21swapper/311:32:263
3087599130,2cyclictest1-21systemd11:11:563
319322120,0sleep10-21swapper/109:44:181
30875991210,1cyclictest698-21gdbus12:31:563
3087599120,1cyclictest0-21swapper/309:23:453
30870991210,1cyclictest0-21swapper/210:49:282
30870991210,1cyclictest0-21swapper/209:16:592
3087099120,11cyclictest18165-21sshd11:51:182
3087099120,11cyclictest13230-21sshd09:45:382
3086599120,1cyclictest21937-21grepconf.sh12:05:191
3086599120,1cyclictest10848-21sshd11:50:391
3086599120,11cyclictest22218-21lspci11:02:081
3085899120,11cyclictest4498-21lspci12:39:370
3085899120,11cyclictest0-21swapper/012:19:570
3087599119,1cyclictest0-21swapper/311:06:353
30875991110,0cyclictest0-21swapper/311:56:563
3087599110,0cyclictest0-21swapper/309:12:453
30870991110,0cyclictest0-21swapper/211:49:492
3087099110,10cyclictest0-21swapper/212:30:282
3087099110,10cyclictest0-21swapper/210:15:082
3087099110,0cyclictest0-21swapper/212:01:292
3087099110,0cyclictest0-21swapper/211:41:082
3086599119,1cyclictest674-21dbus-daemon11:23:281
30865991110,0cyclictest0-21swapper/109:29:581
3086599110,1cyclictest8637-21bash10:09:291
3086599110,10cyclictest20719-21sshd11:40:291
3086599110,10cyclictest0-21swapper/112:33:091
3086599110,10cyclictest0-21swapper/110:10:381
3086599110,0cyclictest0-21swapper/111:33:191
3085899119,1cyclictest20196-21grepconf.sh11:45:570
30858991110,0cyclictest0-21swapper/011:04:180
3085899110,10cyclictest0-21swapper/010:34:170
3085899110,10cyclictest0-21swapper/010:21:180
3085899110,10cyclictest0-21swapper/010:05:270
3085899110,10cyclictest0-21swapper/009:34:480
3085899110,0cyclictest0-21swapper/012:02:080
3085899110,0cyclictest0-21swapper/009:23:270
3087599109,0cyclictest0-21swapper/310:26:153
3087599109,0cyclictest0-21swapper/310:10:053
3087599109,0cyclictest0-21swapper/307:33:353
3087599108,1cyclictest0-21swapper/310:03:053
30875991010,0cyclictest0-21swapper/309:53:263
3087599100,0cyclictest0-21swapper/310:47:553
3087099109,0cyclictest0-21swapper/210:21:182
3087099109,0cyclictest0-21swapper/209:14:182
3086599109,0cyclictest0-21swapper/112:10:091
3086599109,0cyclictest0-21swapper/110:26:481
3086599108,1cyclictest699-21gdbus11:08:381
3086599100,9cyclictest0-21swapper/109:18:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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