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2026-01-02 - 02:02
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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 Jan 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319942940,0sleep331977-21sshd22:26:563
18262730,0sleep30-21swapper/323:38:433
81902570,0sleep20-21swapper/222:11:222
279492560,0sleep00-21swapper/000:00:370
311472550,1sleep131139-21sshd23:52:301
246762550,0sleep3401ktimersoftd/323:29:213
174042550,0sleep00-21swapper/023:31:310
44472520,0sleep10-21swapper/123:24:421
33952520,0sleep00-21swapper/023:27:250
208492520,0sleep00-21swapper/000:31:190
145462510,0sleep00-21swapper/023:19:530
138282510,0sleep10-21swapper/121:39:331
230422500,0sleep20-21swapper/222:02:092
105812500,0sleep00-21swapper/023:50:400
76382490,0sleep30-21swapper/322:04:053
168342490,0sleep016719-21sshd22:42:520
101052490,0sleep00-21swapper/022:27:540
16942480,0sleep20-21swapper/221:56:082
46702470,0sleep30-21swapper/323:44:393
139682430,2sleep11798699cyclictest23:14:041
63142350,2sleep11798699cyclictest22:50:301
63142350,2sleep11798699cyclictest22:50:291
1750923321,7sleep30-21swapper/319:05:353
177932287,6sleep20-21swapper/219:09:072
177552287,7sleep10-21swapper/119:08:371
177662275,7sleep00-21swapper/019:08:440
182952210,1sleep2674-21dbus-daemon00:02:402
99712200,1sleep29969-21sshd00:30:202
17987991919,0cyclictest527-40kipmi023:34:152
91632180,0sleep00-21swapper/023:07:560
91632180,0sleep00-21swapper/023:07:550
178142180,1sleep017810-21lspci22:51:330
178142180,1sleep017810-21lspci22:51:320
64052170,1sleep0699-21gdbus23:44:480
28582170,0sleep10-21swapper/123:01:391
317712160,1sleep30-21swapper/323:21:193
189092160,2sleep11798699cyclictest00:31:081
152922160,0sleep10-21swapper/100:22:181
76662150,0sleep00-21swapper/023:47:400
303552150,0sleep20-21swapper/200:15:062
273642150,0sleep10-21swapper/121:25:181
269992150,1sleep0111rcuc/000:20:250
151782150,0sleep315175-21lspci22:42:423
188202140,1sleep118802-21sshd00:14:041
1798899145,1cyclictest41-21ksoftirqd/322:57:363
1798899141,2cyclictest41-21ksoftirqd/322:31:083
1798899141,1cyclictest41-21ksoftirqd/322:47:073
17987991412,1cyclictest19443-21lspci00:36:522
17987991412,1cyclictest19443-21lspci00:36:512
83492130,0sleep20-21swapper/223:56:072
51042130,1sleep2642-21systemd-logind23:50:152
325792130,1sleep332577-21lspci00:38:023
325792130,1sleep332577-21lspci00:38:013
304562130,0sleep10-21swapper/122:06:351
1798899135,2cyclictest41-21ksoftirqd/300:16:513
1798899135,1cyclictest41-21ksoftirqd/300:01:103
1798899132,1cyclictest41-21ksoftirqd/323:56:553
1798899131,4cyclictest41-21ksoftirqd/323:05:373
1798899131,4cyclictest41-21ksoftirqd/323:05:363
17987991312,0cyclictest19086-21lspci23:23:062
17987991312,0cyclictest13866-21lspci22:19:232
109722130,2sleep31798899cyclictest22:50:553
109722130,2sleep31798899cyclictest22:50:553
80222120,0sleep10-21swapper/122:11:211
215602120,0sleep021552-21bash22:01:590
1798899128,2cyclictest14597-21sshd23:02:423
1798899125,3cyclictest41-21ksoftirqd/321:40:393
1798899124,4cyclictest660-21avahi-daemon23:32:273
1798899123,4cyclictest41-21ksoftirqd/300:23:383
1798899123,3cyclictest41-21ksoftirqd/323:48:443
1798899123,3cyclictest41-21ksoftirqd/322:36:003
1798899123,3cyclictest41-21ksoftirqd/322:20:493
1798899123,3cyclictest41-21ksoftirqd/322:15:103
1798899123,3cyclictest41-21ksoftirqd/300:26:553
1798899123,1cyclictest41-21ksoftirqd/300:30:293
1798899122,2cyclictest41-21ksoftirqd/323:15:583
1798899121,3cyclictest41-21ksoftirqd/323:12:333
1798899121,1cyclictest41-21ksoftirqd/321:25:123
1798899120,2cyclictest0-21swapper/323:51:313
17987991211,0cyclictest7439-21lspci23:39:122
17987991211,0cyclictest3208-21lspci22:35:522
17987991211,0cyclictest21563-21lspci22:51:542
17987991211,0cyclictest21563-21lspci22:51:532
17987991211,0cyclictest14693-21lspci21:28:512
17987991210,1cyclictest0-21swapper/223:06:022
17987991210,1cyclictest0-21swapper/223:06:022
1798699121,1cyclictest5836-21sshd21:53:011
17978991210,1cyclictest642-21systemd-logind23:57:220
1797899120,1cyclictest12929-21sshd22:15:320
1797899120,11cyclictest0-21swapper/000:18:410
1798899114,1cyclictest41-21ksoftirqd/322:14:143
1798899114,1cyclictest41-21ksoftirqd/321:51:153
1798899113,1cyclictest41-21ksoftirqd/321:55:233
1798899112,3cyclictest41-21ksoftirqd/322:07:203
1798899112,3cyclictest41-21ksoftirqd/321:17:163
1798899112,1cyclictest41-21ksoftirqd/321:20:193
1798899110,2cyclictest41-21ksoftirqd/321:10:053
1798899110,2cyclictest41-21ksoftirqd/300:12:023
1798799119,1cyclictest33-21ksoftirqd/221:35:152
1798799119,1cyclictest24756-21seq20:44:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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