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2026-05-14 - 17:32
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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 Thu May 14, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96452970,1sleep1241ktimersoftd/111:39:401
311122580,2sleep2344899cyclictest09:30:402
164632560,0sleep0111rcuc/012:19:010
244072540,1sleep224408-21bash10:12:222
168482530,0sleep20-21swapper/211:34:452
144892530,0sleep20-21swapper/212:18:512
114242530,0sleep10-21swapper/109:20:221
218522520,0sleep321851-21bash12:05:343
177302510,0sleep20-21swapper/211:15:192
277972500,0sleep10-21swapper/111:41:091
171612500,0sleep217135-21sshd11:04:172
300122490,1sleep0111rcuc/009:10:520
227632490,0sleep00-21swapper/010:26:020
163402490,0sleep10-21swapper/110:06:081
106122490,0sleep20-21swapper/209:12:302
40142480,0sleep20-21swapper/211:08:422
205752480,2sleep1343999cyclictest09:33:241
123332480,0sleep312318-21sshd09:12:423
110462480,0sleep210996-21nfsd407:25:152
72822470,0sleep30-21swapper/312:37:353
33972470,0sleep00-21swapper/011:47:250
284732470,0sleep20-21swapper/212:39:262
237172470,1sleep023712-21lspci10:45:240
182542470,0sleep018257-21bash10:39:320
218962460,0sleep30-21swapper/312:33:183
255542410,1sleep3401ktimersoftd/311:46:313
17332370,0sleep00-21swapper/010:21:290
17332370,0sleep00-21swapper/010:21:290
183612360,0sleep10-21swapper/112:38:331
304723314,7sleep10-21swapper/107:06:331
31512319,7sleep30-21swapper/307:07:513
41282290,0sleep00-21swapper/012:23:300
288182260,0sleep10-21swapper/112:14:341
29912247,12sleep20-21swapper/207:05:502
225152240,0sleep20-21swapper/211:21:202
320022211,7sleep00-21swapper/007:08:280
196262190,0sleep219629-21bash11:12:462
217342170,1sleep221733-21sshd10:50:472
47212160,1sleep11073-21nfsd12:09:451
29962160,0sleep20-21swapper/210:46:272
289422160,1sleep328939-21lspci11:08:033
271292160,0sleep10-21swapper/110:56:471
234592160,1sleep0649-21polkitd09:52:580
135912160,2sleep1343999cyclictest07:30:191
12652160,1sleep233-21ksoftirqd/209:42:462
88812150,1sleep38884-21bash10:58:013
319512150,1sleep131916-21sshd11:49:541
8592140,0sleep30-21swapper/309:23:093
85212140,2sleep3345599cyclictest10:10:593
344899140,12cyclictest26304-21sshd12:33:422
3431991413,0cyclictest0-21swapper/011:20:000
3431991412,1cyclictest649-21polkitd12:38:390
270422140,0sleep027040-21bash10:18:090
268232140,0sleep30-21swapper/309:44:593
216212140,1sleep329977-21packagekitd12:02:503
216212140,1sleep329977-21packagekitd12:02:503
203182140,0sleep10-21swapper/109:41:371
64572130,1sleep233-21ksoftirqd/209:19:552
345599130,1cyclictest699-21gdbus10:42:383
3448991311,1cyclictest13514-21lspci12:07:422
3431991311,1cyclictest674-21dbus-daemon09:49:000
153362130,2sleep1343999cyclictest09:57:471
14782130,0sleep20-21swapper/211:44:312
41382120,0sleep20-21swapper/210:38:182
3455991210,1cyclictest3504-21sshd09:31:183
345599120,1cyclictest28666-21bash09:56:083
345599120,1cyclictest28423-21sshd10:04:273
345599120,1cyclictest15335-21sshd10:17:083
345599120,11cyclictest0-21swapper/311:55:083
345599120,11cyclictest0-21swapper/308:50:173
344899120,11cyclictest31942-21bash10:32:222
344899120,11cyclictest31942-21bash10:32:212
3439991210,1cyclictest620-17auditd12:03:471
3439991210,1cyclictest620-17auditd12:03:461
3439991210,1cyclictest5548-21munin-node10:23:371
3439991210,1cyclictest5548-21munin-node10:23:371
3439991210,1cyclictest32587-21bash10:37:571
3439991210,1cyclictest0-21swapper/110:41:071
343999120,1cyclictest28406-21sshd09:45:071
343999120,1cyclictest1072-21nfsd12:24:471
343999120,1cyclictest0-21swapper/111:55:571
343999120,11cyclictest649-21polkitd11:33:071
343999120,11cyclictest26616-21sshd11:02:171
343999120,11cyclictest21459-21lspci09:52:461
343999120,11cyclictest1046-21sshd12:25:571
3431991210,1cyclictest0-21swapper/012:25:100
31812120,0sleep00-21swapper/009:40:120
81492110,0sleep00-21swapper/009:59:580
345599119,1cyclictest31442-21lspci09:48:083
345599119,1cyclictest28431-21lspci11:19:083
344899119,1cyclictest16061-21sshd09:38:322
344899119,1cyclictest12500-21sshd11:45:222
344899119,1cyclictest0-21swapper/211:56:222
3448991110,0cyclictest0-21swapper/212:20:312
3439991110,0cyclictest0-21swapper/109:17:071
343999110,0cyclictest0-21swapper/111:08:371
3431991110,0cyclictest6314-21sshd12:01:300
3431991110,0cyclictest6314-21sshd12:01:300
3431991110,0cyclictest20175-21lspci10:00:550
3431991110,0cyclictest0-21swapper/011:38:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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