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2026-03-14 - 08:45
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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 Sat Mar 14, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139322940,0sleep00-21swapper/023:40:080
316592870,0sleep231658-21sensors_fan22:30:172
90622610,1sleep0699-21gdbus23:39:440
220852590,2sleep2311rcuc/200:27:282
262462580,0sleep326242-21bash21:23:293
223502560,1sleep0674-21dbus-daemon22:29:350
15672560,0sleep20-21swapper/200:06:292
148652560,2sleep02746499cyclictest23:26:260
22182540,0sleep00-21swapper/022:33:190
186682540,0sleep10-21swapper/123:02:051
319172530,0sleep331911-21switchtime22:30:183
38312520,0sleep10-21swapper/122:47:061
307822510,0sleep00-21swapper/000:14:320
299062510,0sleep10-21swapper/122:41:051
267982510,0sleep00-21swapper/021:29:110
178712510,0sleep10-21swapper/123:32:121
171532510,0sleep00-21swapper/022:07:240
111942510,0sleep00-21swapper/021:35:240
289132500,0sleep10-21swapper/123:44:091
286602500,0sleep30-21swapper/300:22:323
155182500,0sleep215516-21sshd23:07:172
283152490,1sleep3401ktimersoftd/322:35:263
247272490,1sleep124712-21sshd23:49:181
190672490,1sleep3401ktimersoftd/321:57:133
148462480,1sleep00-21swapper/023:15:240
7562470,0sleep30-21swapper/323:52:443
308562470,0sleep30-21swapper/323:14:083
229872470,0sleep00-21swapper/022:24:100
88342430,1sleep38835-21grepconf.sh22:25:373
53662430,2sleep22747499cyclictest22:06:052
272412308,7sleep20-21swapper/219:08:352
227762290,2sleep32748599cyclictest22:24:093
2555322318,3sleep00-21swapper/019:05:010
27474992221,0cyclictest5704-21lspci00:20:312
2701222110,7sleep10-21swapper/119:05:461
2700422110,7sleep30-21swapper/319:05:403
88562200,1sleep1674-21dbus-daemon23:58:551
289752200,0sleep20-21swapper/221:12:472
99922170,1sleep29991-21grep23:42:302
39402170,0sleep20-21swapper/221:41:382
274762170,1sleep027448-21sshd00:36:070
27474991716,0cyclictest31145-21lspci23:30:322
253242170,0sleep125326-21bash22:27:031
15052170,0sleep20-21swapper/220:40:192
97522150,1sleep29750-21sshd21:38:502
290832150,0sleep20-21swapper/223:13:582
205582150,0sleep020560-21bash22:45:450
204262150,0sleep20-21swapper/222:29:242
173852150,0sleep20-21swapper/223:56:522
47472140,0sleep10-21swapper/100:20:261
313622140,0sleep30-21swapper/300:33:463
214762140,1sleep1241ktimersoftd/121:11:261
302082130,1sleep0674-21dbus-daemon00:28:100
2747499132,10cyclictest1689-21grepconf.sh23:47:182
27474991313,0cyclictest527-40kipmi021:33:522
2747099130,12cyclictest1-21systemd22:53:331
173542130,0sleep00-21swapper/020:00:180
81402120,0sleep20-21swapper/221:52:362
2748599129,2cyclictest623-17sedispatch00:16:363
2748599120,1cyclictest28468-21sshd23:05:363
2748599120,1cyclictest21253-21bash22:04:263
2748599120,11cyclictest20841-21sshd22:45:463
27474991211,0cyclictest321ktimersoftd/222:58:222
27474991211,0cyclictest26947-21lspci00:00:222
27474991211,0cyclictest26699-21lspci00:19:412
2747499120,1cyclictest29979-21gdbus00:10:382
27470991210,1cyclictest32419-21sshd00:36:331
2747099120,11cyclictest10864-21grep22:55:531
2746499120,11cyclictest0-21swapper/021:47:530
61312110,0sleep06130-21lspci00:34:240
2748599119,1cyclictest30062-21bash23:35:573
2748599110,10cyclictest0-21swapper/321:25:363
2748599110,10cyclictest0-21swapper/321:17:463
2748599110,10cyclictest0-21swapper/300:05:563
27474991111,0cyclictest527-40kipmi020:46:212
27474991111,0cyclictest527-40kipmi019:44:272
27474991111,0cyclictest321ktimersoftd/220:37:302
27474991110,0cyclictest17666-21lspci22:23:422
27474991110,0cyclictest0-21swapper/222:04:482
2747499110,10cyclictest0-21swapper/223:03:382
2747499110,10cyclictest0-21swapper/200:34:582
27470991110,0cyclictest0-21swapper/122:39:531
27470991110,0cyclictest0-21swapper/122:17:531
2747099110,10cyclictest0-21swapper/121:56:131
2747099110,0cyclictest0-21swapper/122:33:131
2746499119,1cyclictest0-21swapper/021:54:020
27464991110,0cyclictest0-21swapper/000:09:320
2746499110,10cyclictest0-21swapper/000:24:520
2746499110,0cyclictest0-21swapper/000:18:120
68472100,1sleep11-21systemd23:36:441
2748599109,0cyclictest0-21swapper/323:31:363
2748599109,0cyclictest0-21swapper/322:44:363
2748599100,0cyclictest0-21swapper/321:53:563
2747499109,0cyclictest25543-21lspci23:16:212
2747499109,0cyclictest10325-21lspci21:45:472
2747499109,0cyclictest0-21swapper/221:19:182
2747499108,1cyclictest33-21ksoftirqd/223:51:032
2747499102,1cyclictest33-21ksoftirqd/222:44:002
2747499101,2cyclictest24060-21sshd00:35:492
2747499100,1cyclictest131rcu_sched23:36:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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