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2025-12-17 - 09:18
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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 Wed Dec 17, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2136221060,2sleep03213499cyclictest23:34:050
213852640,0sleep0101ktimersoftd/023:58:170
274482550,0sleep00-21swapper/022:41:070
19752550,5sleep11967-21lspci22:59:341
229152540,1sleep0101ktimersoftd/023:28:140
132362540,0sleep113240-21lspci23:15:201
170712530,1sleep217066-21sshd00:07:002
317062520,0sleep20-21swapper/222:38:362
91442510,0sleep10-21swapper/100:24:531
71452500,1sleep20-21swapper/222:27:312
302782500,0sleep0111rcuc/021:34:510
240412500,0sleep30-21swapper/323:10:213
302982490,0sleep00-21swapper/000:33:050
68042480,0sleep10-21swapper/100:37:031
64432480,1sleep36439-21lspci22:48:063
228842480,0sleep00-21swapper/000:10:350
209122480,0sleep30-21swapper/322:08:133
64982470,0sleep10-21swapper/123:50:451
64982470,0sleep10-21swapper/123:50:451
35762470,1sleep13573-21bash00:33:381
170282460,0sleep117029-21grep21:29:261
216872430,2sleep03213499cyclictest00:01:170
192452430,0sleep0101ktimersoftd/000:25:440
133842390,0sleep20-21swapper/221:15:342
166852350,1sleep03213499cyclictest22:07:420
37642340,0sleep20-21swapper/200:33:392
319192298,7sleep00-21swapper/019:08:400
318702298,7sleep30-21swapper/319:08:023
3177322816,7sleep20-21swapper/219:06:492
3182622312,7sleep10-21swapper/119:07:281
22882200,1sleep3674-21dbus-daemon22:53:393
91862170,2sleep03213499cyclictest22:02:580
288332170,0sleep10-21swapper/122:16:481
309282160,1sleep00-21swapper/022:13:150
113342160,0sleep20-21swapper/223:45:132
53872150,0sleep35393-21nfsd419:20:153
277992150,0sleep20-21swapper/223:22:422
253662150,0sleep00-21swapper/021:11:310
245392150,0sleep124534-21sshd22:20:141
21242150,0sleep00-21swapper/023:23:200
156412150,1sleep015643-21bash22:37:060
102802150,0sleep110276-21bash23:03:141
3214599145,3cyclictest33-21ksoftirqd/223:37:452
3214599145,2cyclictest33-21ksoftirqd/200:29:102
3214599144,3cyclictest33-21ksoftirqd/223:32:392
32134991412,1cyclictest622-13audispd23:06:190
320292140,0sleep20-21swapper/222:01:472
30132140,0sleep2321ktimersoftd/219:15:132
112562140,0sleep00-21swapper/023:18:110
39682130,0sleep30-21swapper/300:33:403
3214599134,1cyclictest33-21ksoftirqd/222:13:282
3214599133,2cyclictest33-21ksoftirqd/222:33:532
3214599132,1cyclictest33-21ksoftirqd/223:54:262
3214599132,1cyclictest33-21ksoftirqd/223:54:262
32145991311,1cyclictest0-21swapper/222:47:272
3214599130,11cyclictest1062-21sshd00:11:372
32134991311,1cyclictest9976-21smart_sda20:50:190
298572130,0sleep10-21swapper/123:59:061
237352130,0sleep30-21swapper/322:40:453
207532130,0sleep3391rcuc/321:45:103
198362130,0sleep00-21swapper/022:19:400
191202130,1sleep119119-21bash23:49:001
117102130,0sleep20-21swapper/219:35:192
3215199120,11cyclictest516-21sshd23:32:073
3215199120,0cyclictest26992-21lspci23:01:473
3214599125,1cyclictest33-21ksoftirqd/200:04:102
3214599124,3cyclictest660-21avahi-daemon00:15:572
3214599124,3cyclictest33-21ksoftirqd/223:16:242
3214599124,3cyclictest33-21ksoftirqd/222:52:452
3214599124,1cyclictest33-21ksoftirqd/223:04:432
3214599124,1cyclictest33-21ksoftirqd/222:55:252
3214599123,3cyclictest33-21ksoftirqd/222:41:112
3214599123,3cyclictest33-21ksoftirqd/221:57:232
3214599123,3cyclictest33-21ksoftirqd/200:35:152
3214599123,1cyclictest33-21ksoftirqd/223:57:502
3214599123,1cyclictest33-21ksoftirqd/222:24:162
3214599123,1cyclictest33-21ksoftirqd/222:19:372
3214599121,3cyclictest33-21ksoftirqd/221:37:572
3214599120,1cyclictest0-21swapper/221:52:072
3214599120,11cyclictest23775-21lspci23:28:172
3214199120,1cyclictest11571-21cp00:06:271
3214199120,11cyclictest0-21swapper/123:09:571
3213499129,2cyclictest10591-21sshd21:59:200
32134991210,1cyclictest1-21systemd00:20:190
3213499120,11cyclictest1-21systemd21:50:290
3215199119,1cyclictest5517-21ntp_states22:30:173
3215199119,1cyclictest25533-21bash23:52:373
3215199119,1cyclictest25533-21bash23:52:373
32151991110,0cyclictest0-21swapper/323:19:173
3215199110,10cyclictest0-21swapper/321:25:373
3215199110,10cyclictest0-21swapper/321:15:173
3215199110,10cyclictest0-21swapper/321:12:473
3215199110,10cyclictest0-21swapper/300:18:273
3215199110,0cyclictest0-21swapper/300:02:373
3214599119,1cyclictest31295-21sshd21:12:472
3214599119,1cyclictest0-21swapper/221:28:072
3214599113,3cyclictest33-21ksoftirqd/221:20:302
3214599113,2cyclictest33-21ksoftirqd/223:10:342
3214599112,2cyclictest33-21ksoftirqd/223:06:052
3214599111,3cyclictest0-21swapper/223:40:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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