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2026-03-17 - 10:29
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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 rack3slot0.osadl.org (updated Tue Mar 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159332960,1sleep215923-21sshd23:21:302
99932820,2sleep01444599cyclictest21:23:390
142172780,1sleep114213-21sshd21:44:221
23342760,3sleep71450299cyclictest23:33:457
276462740,0sleep50-21swapper/521:07:185
10282580,0sleep70-21swapper/722:15:197
253132550,10sleep125-21ksoftirqd/100:01:181
21322510,1sleep52131-21systemd-cgroups23:28:065
1411825126,9sleep50-21swapper/519:04:115
223922490,0sleep449-21ksoftirqd/400:10:264
202952490,0sleep20-21swapper/221:41:032
83852480,1sleep58373-21cp23:45:205
38632480,0sleep00-21swapper/022:47:080
309802480,0sleep70-21swapper/700:23:587
180222480,1sleep718020-21sshd00:36:247
147632480,0sleep014753-21sshd21:42:290
317632470,0sleep10-21swapper/122:09:371
216972470,1sleep421699-21id22:40:474
1421824725,8sleep70-21swapper/719:05:337
120812470,0sleep10-21swapper/123:34:191
98802460,0sleep69879-21sshd23:52:506
67492460,0sleep10-21swapper/123:09:441
64072460,0sleep40-21swapper/400:03:534
64072460,0sleep40-21swapper/400:03:534
56702460,1sleep35668-21bash00:35:403
44782460,1sleep04477-21grepconf.sh22:13:360
208872450,0sleep0797-21sshd23:34:500
99572440,0sleep60-21swapper/622:15:516
39382440,1sleep4784-21runrttasks22:45:204
265892440,0sleep70-21swapper/723:05:177
246092440,1sleep024597-21sshd22:53:570
86492430,0sleep78638-21sshd23:50:597
312232430,1sleep61-21systemd22:41:216
293682430,0sleep00-21swapper/021:34:040
198522430,0sleep60-21swapper/622:29:286
198522430,0sleep60-21swapper/622:29:286
167742430,0sleep40-21swapper/423:51:284
15572430,0sleep50-21swapper/519:37:095
149922430,1sleep665-21ksoftirqd/623:10:136
116192430,1sleep611615-21bash22:23:196
80272420,0sleep30-21swapper/321:49:363
62012420,1sleep773-21ksoftirqd/723:15:187
306372420,0sleep10-21swapper/100:10:551
262882410,0sleep30-21swapper/323:14:343
210572410,0sleep20-21swapper/200:06:392
210572410,0sleep20-21swapper/200:06:392
150372410,0sleep30-21swapper/323:28:523
1403524128,9sleep60-21swapper/619:03:086
121612410,0sleep00-21swapper/022:23:210
1183124129,8sleep40-21swapper/419:01:544
283152400,0sleep10-21swapper/122:33:401
268412400,0sleep20-21swapper/223:48:132
175862400,0sleep50-21swapper/522:01:245
152402400,0sleep40-21swapper/423:02:424
1418924028,9sleep00-21swapper/019:05:100
1401424028,9sleep30-21swapper/319:02:493
1182824028,8sleep10-21swapper/119:01:511
258602390,0sleep00-21swapper/022:33:310
173812390,1sleep017379-21grepconf.sh00:28:480
292322380,0sleep10-21swapper/121:22:511
1406423827,8sleep20-21swapper/219:03:282
276972370,0sleep60-21swapper/623:59:316
14502992611,1cyclictest73-21ksoftirqd/723:01:287
14502992410,1cyclictest73-21ksoftirqd/721:38:527
42122220,0sleep50-21swapper/500:20:365
1450299208,3cyclictest73-21ksoftirqd/722:46:057
1450299202,4cyclictest73-21ksoftirqd/722:34:137
14502992015,3cyclictest73-21ksoftirqd/723:41:477
14502992014,4cyclictest73-21ksoftirqd/722:49:387
14502992010,1cyclictest73-21ksoftirqd/721:49:257
1448699204,2cyclictest22848-21bash00:23:305
160382190,0sleep10-21swapper/122:53:261
1450299195,3cyclictest73-21ksoftirqd/721:59:487
14502991916,1cyclictest73-21ksoftirqd/722:04:077
14502991916,1cyclictest73-21ksoftirqd/721:23:007
14502991915,1cyclictest73-21ksoftirqd/722:07:187
14502991914,3cyclictest73-21ksoftirqd/721:12:227
14502991913,3cyclictest73-21ksoftirqd/722:39:577
1450299190,18cyclictest31970-21kworker/7:500:02:167
1450299190,18cyclictest31970-21kworker/7:500:02:167
14461991912,4cyclictest33-21ksoftirqd/221:29:232
14461991911,1cyclictest33-21ksoftirqd/200:21:442
1450299186,3cyclictest73-21ksoftirqd/700:21:097
1450299186,2cyclictest73-21ksoftirqd/722:28:117
1450299186,2cyclictest73-21ksoftirqd/722:28:117
1450299184,3cyclictest73-21ksoftirqd/722:54:137
1450299184,1cyclictest73-21ksoftirqd/723:44:267
14502991816,1cyclictest73-21ksoftirqd/723:53:137
14502991816,1cyclictest492-21systemd-journal21:19:037
14502991815,3cyclictest73-21ksoftirqd/700:12:467
14502991815,1cyclictest73-21ksoftirqd/721:53:217
14502991815,1cyclictest73-21ksoftirqd/721:44:487
14502991814,3cyclictest73-21ksoftirqd/722:20:387
14502991814,3cyclictest73-21ksoftirqd/721:29:237
14479991812,3cyclictest49-21ksoftirqd/422:49:244
8132170,0sleep50-21swapper/500:27:495
308122170,1sleep230786-21cp23:24:102
210052170,0sleep60-21swapper/622:05:176
192192170,0sleep20-21swapper/223:55:182
162182170,1sleep516217-21bash22:55:225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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