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2025-12-09 - 05:35
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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 Tue Dec 09, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1246821100,0sleep112444-21sshd21:53:531
211972980,0sleep20-21swapper/221:48:212
115492970,0sleep10-21swapper/121:31:301
193202940,0sleep019282-21sshd22:42:140
299642770,0sleep10-21swapper/100:39:271
128742640,0sleep00-21swapper/000:04:250
150532620,1sleep115056-21lspci22:06:461
186072610,0sleep20-21swapper/223:42:392
308272600,1sleep1241ktimersoftd/122:43:241
183802590,0sleep10-21swapper/121:48:041
177152580,1sleep317713-21lspci22:58:073
211772560,0sleep20-21swapper/200:24:462
134022550,0sleep10-21swapper/123:54:561
295982540,0sleep20-21swapper/223:59:432
313982530,0sleep00-21swapper/022:08:260
284692520,0sleep00-21swapper/023:15:060
73922500,1sleep20-21swapper/200:36:592
323852500,0sleep30-21swapper/321:43:053
114882500,0sleep011482-21bash21:18:480
189924736,7sleep00-21swapper/019:09:240
24302460,2sleep2205799cyclictest23:53:492
191292420,0sleep10-21swapper/100:24:331
172382400,1sleep09-21ksoftirqd/023:52:030
86132370,0sleep10-21swapper/123:48:041
291462360,0sleep20-21swapper/222:27:192
135512360,0sleep00-21swapper/021:12:180
143632340,0sleep00-21swapper/023:13:420
121812320,1sleep0204499cyclictest21:56:560
190023119,7sleep10-21swapper/119:09:251
18432297,7sleep30-21swapper/319:08:423
43652240,2sleep1205099cyclictest21:27:381
252202240,0sleep225221-21lspci23:21:062
245212230,0sleep30-21swapper/321:16:503
159622311,7sleep20-21swapper/219:05:412
104802210,2sleep2205799cyclictest23:32:192
77882180,0sleep10-21swapper/123:13:031
218582180,2sleep3206199cyclictest21:57:553
54882170,1sleep25489-21sshd22:37:432
327172170,0sleep00-21swapper/023:44:060
324332170,0sleep3391rcuc/322:02:093
243092170,1sleep00-21swapper/023:36:500
152652170,0sleep10-21swapper/123:20:131
42212150,1sleep34220-21bash22:08:563
221242150,0sleep3401ktimersoftd/322:23:263
2050991514,0cyclictest9190-21sensors23:35:181
2050991514,0cyclictest16618-21lspci22:22:521
91852140,0sleep20-21swapper/221:28:072
2050991413,1cyclictest2012-21kworker/1:100:19:531
2050991413,1cyclictest1577-21kworker/1:022:46:171
2050991413,0cyclictest3987-21lspci00:29:491
2050991413,0cyclictest32460-21lspci22:59:361
2050991413,0cyclictest31382-21kworker/1:323:43:091
2050991413,0cyclictest21656-21lspci22:36:041
2050991413,0cyclictest19038-21kworker/1:023:33:061
2050991412,1cyclictest28420-21kworker/1:223:03:171
2050991412,1cyclictest27589-21kworker/1:222:04:311
2044991412,1cyclictest619-17sedispatch23:09:530
88892130,0sleep08892-21bash22:54:030
57702130,0sleep00-21swapper/000:10:060
206199130,1cyclictest619-17sedispatch22:33:243
205799130,12cyclictest17111-21sshd00:11:082
2050991312,1cyclictest9040-21kworker/1:121:38:411
2050991312,0cyclictest8290-21lspci21:40:401
2050991312,0cyclictest6977-21kworker/1:100:00:491
2050991312,0cyclictest5361-21kworker/1:122:28:471
2050991312,0cyclictest33050irq/27-ahci[00021:14:091
2050991312,0cyclictest31407-21kworker/1:021:24:491
2050991312,0cyclictest23668-21kworker/1:000:33:551
2050991312,0cyclictest20727-21kworker/1:000:09:291
2050991312,0cyclictest18413-21kworker/1:222:30:521
151562130,0sleep30-21swapper/322:35:243
76612120,1sleep07662-21missed_timers20:40:150
28922120,0sleep20-21swapper/223:25:172
2061991210,1cyclictest616-17auditd23:21:343
206199120,1cyclictest3548-21id21:46:343
205799120,1cyclictest5289-21sshd23:00:072
205799120,1cyclictest28136-21sshd22:46:172
205799120,1cyclictest25756-21sshd00:02:272
2050991211,0cyclictest33050irq/27-ahci[00022:53:221
2050991211,0cyclictest31407-21kworker/1:021:16:091
2050991211,0cyclictest31382-21kworker/1:323:29:271
2050991211,0cyclictest19116-21kworker/1:123:08:501
2050991210,1cyclictest19116-21kworker/1:123:15:451
2044991211,0cyclictest0-21swapper/022:33:230
204499120,11cyclictest0-21swapper/021:51:030
106392120,0sleep30-21swapper/321:28:153
206199119,1cyclictest1627-21bash23:53:443
206199119,1cyclictest12226-21sshd21:31:343
2061991110,0cyclictest0-21swapper/322:46:043
2061991110,0cyclictest0-21swapper/322:17:343
206199110,10cyclictest0-21swapper/321:23:143
206199110,0cyclictest0-21swapper/323:16:353
206199110,0cyclictest0-21swapper/321:10:053
205799119,1cyclictest6076-21sshd00:19:472
205799119,1cyclictest12825-21sshd22:12:572
205799118,1cyclictest22230-21sshd21:38:572
2057991110,0cyclictest28591-21sshd21:58:362
2057991110,0cyclictest0-21swapper/222:31:572
2057991110,0cyclictest0-21swapper/222:22:072
2057991110,0cyclictest0-21swapper/200:09:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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