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2025-07-19 - 06:54
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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 rackcslot0.osadl.org (updated Sat Jul 19, 2025 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1554821750,6sleep11706199cyclictest21:25:113
2642121650,3sleep7705599cyclictest21:12:1713
64632120103,12sleep70-21swapper/719:09:1813
64632120103,12sleep70-21swapper/719:09:1813
63182118103,9sleep100-21swapper/1019:07:132
63182118103,9sleep100-21swapper/1019:07:132
6303211893,21sleep120-21swapper/1219:06:594
6303211893,21sleep120-21swapper/1219:06:594
65692116103,9sleep40-21swapper/419:10:0410
65692116103,9sleep40-21swapper/419:10:0410
6419211093,13sleep150-21swapper/1519:08:387
6419211093,13sleep150-21swapper/1519:08:387
1783321090,3sleep6705499cyclictest22:34:2312
3045321080,1sleep90-21swapper/900:21:0915
3045321080,1sleep90-21swapper/900:21:0915
2964621050,2sleep1229647-21env23:27:104
3148210486,13sleep30-21swapper/319:05:469
3148210486,13sleep30-21swapper/319:05:469
1858721040,0sleep140-21swapper/1423:22:236
1689621030,1sleep60-21swapper/623:11:0112
1320621030,2sleep12114-21ksoftirqd/1200:34:184
1320621030,2sleep12114-21ksoftirqd/1200:34:184
6304210290,7sleep130-21swapper/1319:07:005
6304210290,7sleep130-21swapper/1319:07:005
6401210080,15sleep20-21swapper/219:08:258
6401210080,15sleep20-21swapper/219:08:258
288412980,2sleep628846-2110-uname21:37:0912
125602960,1sleep150-21swapper/1519:55:577
179422950,1sleep517945-21env21:32:3511
157622940,2sleep30-21swapper/321:11:099
133202940,6sleep3705099cyclictest21:42:439
292522920,1sleep80-21swapper/823:23:3814
197332920,0sleep150-21swapper/1500:38:387
197332920,0sleep150-21swapper/1500:38:387
6392910,0sleep90-21swapper/900:36:2415
6392910,0sleep90-21swapper/900:36:2415
58832910,2sleep120-21swapper/1221:05:574
35922900,1sleep83586-21sshd23:09:4314
319692900,1sleep80-21swapper/822:17:3414
222912900,0sleep90-21swapper/900:27:3415
222912900,0sleep90-21swapper/900:27:3415
630228972,6sleep110-21swapper/1119:06:583
630228972,6sleep110-21swapper/1119:06:583
626628880,4sleep140-21swapper/1419:06:296
626628880,4sleep140-21swapper/1419:06:296
43932880,0sleep30-21swapper/300:14:549
160252880,0sleep20-21swapper/222:49:018
58022870,3sleep2311rcuc/221:20:308
14372870,5sleep12706299cyclictest00:14:314
635328672,4sleep50-21swapper/519:07:4011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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