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2025-11-18 - 00:29
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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 Nov 17, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112182980,0sleep211219-21grep09:43:452
283262940,0sleep10-21swapper/112:37:381
303792910,1sleep2168499cyclictest10:13:562
97282890,2sleep1168099cyclictest10:08:141
195772860,2sleep3169199cyclictest12:27:313
47382570,0sleep20-21swapper/207:15:132
154022570,0sleep30-21swapper/310:40:203
313902560,0sleep00-21swapper/009:42:250
289072560,1sleep128906-21bash10:03:061
277092560,1sleep227706-21sshd11:06:392
277092560,1sleep227706-21sshd11:06:392
197872560,1sleep219783-21lspci10:23:182
128912560,0sleep00-21swapper/010:15:350
177312550,0sleep00-21swapper/012:06:000
57212540,0sleep1231rcuc/111:35:181
85532530,1sleep18549-21lspci10:43:071
59152530,1sleep25912-21sshd11:11:082
59152530,1sleep25912-21sshd11:11:072
321952530,0sleep10-21swapper/112:13:351
124602520,0sleep30-21swapper/310:58:113
179792500,0sleep20-21swapper/211:53:122
51862490,0sleep15188-21sshd11:45:231
33682480,0sleep30-21swapper/312:22:583
84032470,0sleep00-21swapper/010:43:060
41332470,2sleep3169199cyclictest09:39:363
175022470,0sleep20-21swapper/211:43:162
211872430,0sleep30-21swapper/312:09:323
194142420,0sleep20-21swapper/212:27:302
13332400,0sleep00-21swapper/009:39:180
197482360,2sleep2168499cyclictest11:56:342
147923322,7sleep20-21swapper/207:08:492
13722296,7sleep30-21swapper/307:07:293
12212279,7sleep00-21swapper/007:05:350
156422311,7sleep10-21swapper/107:09:521
99312210,0sleep39932-21sshd10:22:153
263282210,1sleep125-21ksoftirqd/111:06:301
263282210,1sleep125-21ksoftirqd/111:06:301
25772190,0sleep20-21swapper/210:42:282
245142190,1sleep324498-21cp12:00:153
243202180,0sleep10-21swapper/112:09:491
178372170,0sleep20-21swapper/209:34:152
274332160,0sleep30-21swapper/309:52:233
1680991615,0cyclictest15656-21lspci12:21:031
1680991614,1cyclictest20159-21kworker/1:311:14:431
1680991614,1cyclictest20159-21kworker/1:311:14:431
131582160,0sleep00-21swapper/012:39:170
304252150,0sleep20-21swapper/210:49:372
1680991514,0cyclictest32356-21kworker/1:110:31:521
1680991513,1cyclictest31478-21kworker/1:112:30:581
84122140,0sleep20-21swapper/209:46:532
4482140,0sleep20-21swapper/211:17:292
236622140,0sleep10-21swapper/111:44:031
1680991413,0cyclictest30673-21kworker/1:209:18:551
1680991413,0cyclictest21762-21kworker/1:211:01:111
1680991413,0cyclictest19937-21lspci12:27:331
168099140,13cyclictest0-21swapper/112:15:461
243972130,0sleep10-21swapper/109:24:331
17052130,0sleep20-21swapper/209:11:122
1691991311,1cyclictest425-21lspci11:57:523
1691991311,1cyclictest16677-21bash10:36:443
169199130,1cyclictest28564-21bash12:13:143
169199130,11cyclictest2719-21diskstats11:45:143
1684991311,1cyclictest8682-21bash12:23:292
168499130,1cyclictest10029-21sshd09:19:282
1680991313,0cyclictest19190-21kworker/1:210:28:051
1680991312,1cyclictest2806-21kworker/1:009:45:051
1680991312,0cyclictest14805-21kworker/1:209:55:291
1680991311,1cyclictest16956-21kworker/1:211:59:471
1680991311,1cyclictest15127-21id09:33:551
1680991311,1cyclictest15035-21sshd11:52:551
167399130,12cyclictest19397-21smart_sda12:15:210
122552130,0sleep0111rcuc/009:30:090
1691991210,1cyclictest0-21swapper/312:30:543
169199120,11cyclictest0-21swapper/310:26:243
169199120,0cyclictest0-21swapper/310:45:243
1680991211,0cyclictest3576-21lspci09:53:181
1680991211,0cyclictest31378-21lspci11:27:371
1680991211,0cyclictest25831-21kworker/1:209:08:411
1680991211,0cyclictest17475-21kworker/1:210:17:311
1680991211,0cyclictest14432-21kworker/1:111:30:391
1680991211,0cyclictest0-21swapper/111:18:161
1680991210,1cyclictest30215-21sshd10:49:361
1680991210,1cyclictest21058-21kworker/1:109:37:391
1680991210,1cyclictest14432-21kworker/1:111:20:251
1673991211,0cyclictest0-21swapper/010:53:500
1673991210,1cyclictest3806-21grep11:35:110
1673991210,1cyclictest19688-21lspci10:09:190
167399120,1cyclictest12745-21sshd11:46:110
167399120,11cyclictest20686-21bash11:05:500
167399120,11cyclictest20686-21bash11:05:490
167399120,11cyclictest0-21swapper/011:15:000
167399120,11cyclictest0-21swapper/011:15:000
167399120,11cyclictest0-21swapper/010:00:000
100562120,0sleep30-21swapper/310:08:173
169199119,1cyclictest41-21ksoftirqd/307:15:003
1691991110,0cyclictest0-21swapper/311:02:043
169199110,1cyclictest0-21swapper/312:38:343
169199110,10cyclictest0-21swapper/311:34:143
169199110,0cyclictest0-21swapper/311:11:143
169199110,0cyclictest0-21swapper/311:11:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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