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2024-07-27 - 07:31
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Sat Jul 27, 2024 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196492770,2sleep52711799cyclictest22:04:105
184472640,11sleep213650irq/24-ahci[00000:30:392
252202590,0sleep60-21swapper/622:32:306
286862540,0sleep10-21swapper/100:25:091
246992530,0sleep50-21swapper/522:13:555
2448825127,8sleep70-21swapper/719:00:357
189702510,0sleep50-21swapper/500:04:475
293532500,0sleep70-21swapper/721:43:307
180692500,0sleep718068-21systemd-cgroups22:38:007
2668524825,8sleep00-21swapper/019:01:480
57942470,2sleep22709199cyclictest21:16:262
242932470,0sleep50-21swapper/523:49:345
92342460,0sleep50-21swapper/519:30:275
22662460,0sleep00-21swapper/000:19:160
22662460,0sleep00-21swapper/000:19:160
203422450,0sleep10-21swapper/100:30:461
186872450,0sleep10-21swapper/121:30:101
75352440,0sleep10-21swapper/122:21:281
2676424331,8sleep30-21swapper/319:02:553
264892430,1sleep52711799cyclictest22:23:245
229632430,0sleep70-21swapper/721:33:377
209112430,0sleep40-21swapper/400:30:494
110272430,0sleep60-21swapper/621:57:066
84662420,2sleep32709999cyclictest22:30:513
52612420,0sleep10-21swapper/123:23:031
52612420,0sleep10-21swapper/123:23:031
20792420,0sleep50-21swapper/521:44:005
2693124129,8sleep50-21swapper/519:05:145
2670424129,8sleep60-21swapper/619:02:026
2670824028,8sleep10-21swapper/119:02:051
2496124026,9sleep40-21swapper/419:00:404
135842400,0sleep713583-21systemd-cgroups22:22:067
56832390,0sleep60-21swapper/622:21:176
2662023927,8sleep20-21swapper/219:00:542
254222210,0sleep20-21swapper/221:46:052
2709199204,6cyclictest717-21systemd-logind22:28:322
2709199194,6cyclictest717-21systemd-logind22:07:382
2709199194,5cyclictest383-21systemd00:19:052
2709199194,5cyclictest383-21systemd00:19:052
2709199193,6cyclictest29848-21sshd21:34:182
2709199183,5cyclictest30150-21systemd-cgroups23:10:022
2709199183,5cyclictest12849-21ystemctl22:55:522
2709199183,4cyclictest476-21grep21:25:202
2709199182,5cyclictest698-21dbus-daemon21:07:432
2709199182,5cyclictest15791-21sshd23:42:332
2709199182,4cyclictest603-21kworker/u16:022:50:182
311972170,0sleep10-21swapper/123:00:441
2711799173,14cyclictest57-21ksoftirqd/500:09:425
27117991715,2cyclictest57-21ksoftirqd/522:29:005
2709199174,5cyclictest698-21dbus-daemon22:38:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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