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2025-05-02 - 12:46
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot0.osadl.org (updated Fri May 02, 2025 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2810921210,1sleep2321ktimersoftd/223:48:062
1629021180,1sleep416289-21grep23:23:314
2125621120,1sleep70-21swapper/722:30:457
155662850,0sleep00-21swapper/023:56:450
102152840,0sleep50-21swapper/522:29:475
102152840,0sleep50-21swapper/522:29:475
70892830,0sleep70-21swapper/721:16:247
240802810,0sleep30-21swapper/322:44:283
240572810,0sleep10-21swapper/122:31:041
276912790,0sleep70-21swapper/721:51:437
152862770,0sleep3401rcuc/321:17:173
133042770,0sleep30-21swapper/322:33:213
151062760,0sleep00-21swapper/023:43:230
79812750,0sleep40-21swapper/423:19:234
176272750,0sleep20-21swapper/221:17:312
116152750,0sleep60-21swapper/622:23:166
116152750,0sleep60-21swapper/622:23:156
114522750,0sleep10-21swapper/100:36:381
327622730,0sleep60-21swapper/622:35:186
25412730,0sleep10-21swapper/100:32:211
216492730,0sleep60-21swapper/600:17:286
91622720,0sleep40-21swapper/400:39:544
308502720,0sleep40-21swapper/422:45:094
98822710,1sleep30-21swapper/321:43:133
317192710,1sleep50-21swapper/523:51:465
317192710,1sleep50-21swapper/523:51:465
295682710,0sleep50-21swapper/500:11:335
248782710,0sleep50-21swapper/523:47:455
240242710,1sleep081ktimersoftd/021:41:180
227692710,0sleep40-21swapper/422:17:454
14772710,1sleep30-21swapper/321:25:413
138772710,1sleep50-21swapper/521:36:575
135292700,0sleep00-21swapper/000:33:330
120182690,0sleep10-21swapper/123:59:511
187042650,0sleep10-21swapper/100:23:561
249462620,0sleep10-21swapper/123:54:311
249462620,0sleep10-21swapper/123:54:311
69932610,0sleep60-21swapper/622:42:396
289392610,1sleep2321ktimersoftd/223:54:562
289392610,1sleep2321ktimersoftd/223:54:552
309692590,1sleep560-21ksoftirqd/522:45:105
1368325735,6sleep30-21swapper/319:09:473
1166925747,6sleep40-21swapper/419:05:074
1343625332,6sleep70-21swapper/719:06:387
215792490,0sleep00-21swapper/021:47:420
1349024837,7sleep50-21swapper/519:07:165
93772470,1sleep7660-21dbus-daemon21:10:087
1338824725,7sleep60-21swapper/619:05:586
1166624636,6sleep10-21swapper/119:05:041
224442440,1sleep7771ktimersoftd/723:04:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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