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2026-07-14 - 15:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 100 highest latencies:
System rackbslot6.osadl.org (updated Tue Jul 14, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
939221540,5sleep11328599cyclictest00:15:461
1068911010,4ptp4l401ktimersoftd/321:06:453
286782940,5sleep028681-21unixbench_multi22:43:390
26152880,1sleep00-21swapper/000:42:390
126632736,49sleep20-21swapper/221:03:392
139492700,2sleep30-21swapper/301:58:423
139492700,2sleep30-21swapper/301:58:423
207662680,3sleep20-21swapper/200:28:112
309952670,2sleep20-21swapper/222:48:392
230312670,1sleep30-21swapper/301:35:173
284022620,3sleep00-21swapper/001:08:280
324762500,1sleep30-21swapper/322:53:253
1239825030,8sleep00-21swapper/021:03:330
1327999491,6cyclictest9-21ksoftirqd/002:05:110
1329999480,3cyclictest14614-21taskset22:14:433
1327999483,6cyclictest101ktimersoftd/000:53:290
1328599472,15cyclictest47050irq/101-ens3-Tx00:18:221
248432460,2sleep20-21swapper/202:09:492
1328599465,12cyclictest6818-21ssh23:08:211
1329999452,31cyclictest14461-21ssh02:33:263
13299994523,18cyclictest4641-21ssh01:17:443
1328599453,14cyclictest21803-21ssh23:23:231
1327999456,9cyclictest9-21ksoftirqd/001:27:240
1327999455,8cyclictest9-21ksoftirqd/023:56:470
1327999443,6cyclictest9-21ksoftirqd/023:23:290
1327999433,8cyclictest9-21ksoftirqd/000:25:530
1327999432,9cyclictest9-21ksoftirqd/001:51:500
1327999432,6cyclictest9-21ksoftirqd/023:29:040
1327999426,9cyclictest9-21ksoftirqd/000:03:280
1327999426,9cyclictest9-21ksoftirqd/000:03:280
1327999426,7cyclictest9-21ksoftirqd/022:08:340
1327999426,4cyclictest9-21ksoftirqd/023:53:100
1327999425,9cyclictest9-21ksoftirqd/002:18:290
1327999425,8cyclictest9-21ksoftirqd/000:45:570
1327999425,6cyclictest9-21ksoftirqd/021:38:080
1327999424,6cyclictest9-21ksoftirqd/023:40:530
1327999424,6cyclictest9-21ksoftirqd/023:11:470
1327999423,5cyclictest9-21ksoftirqd/001:28:140
1327999422,6cyclictest9-21ksoftirqd/001:59:070
1327999422,6cyclictest9-21ksoftirqd/001:59:070
1327999422,3cyclictest9-21ksoftirqd/022:28:330
1327999422,3cyclictest9-21ksoftirqd/022:28:330
1327999421,6cyclictest101ktimersoftd/001:03:230
1327999420,8cyclictest0-21swapper/000:59:360
100982420,4sleep01327999cyclictest23:43:290
1327999416,9cyclictest9-21ksoftirqd/021:13:350
1327999416,8cyclictest9-21ksoftirqd/000:13:340
1327999416,7cyclictest9-21ksoftirqd/001:33:240
1327999415,7cyclictest9-21ksoftirqd/001:53:280
1327999415,7cyclictest9-21ksoftirqd/001:53:280
1327999415,10cyclictest9-21ksoftirqd/002:13:350
1327999414,6cyclictest9-21ksoftirqd/001:19:230
13279994110,7cyclictest9-21ksoftirqd/023:34:290
1328599402,10cyclictest26682-21ssh23:28:211
1327999406,7cyclictest9-21ksoftirqd/021:08:240
1327999406,7cyclictest9-21ksoftirqd/002:08:300
1327999406,7cyclictest9-21ksoftirqd/001:41:390
1327999406,5cyclictest9-21ksoftirqd/022:43:090
1327999405,7cyclictest9-21ksoftirqd/002:30:460
1327999405,7cyclictest9-21ksoftirqd/000:18:190
1327999405,7cyclictest9-21ksoftirqd/000:11:260
1327999405,7cyclictest9-21ksoftirqd/000:11:260
1327999403,6cyclictest9-21ksoftirqd/002:25:360
1327999403,6cyclictest9-21ksoftirqd/001:14:240
1327999402,6cyclictest9-21ksoftirqd/002:36:000
1327999402,6cyclictest9-21ksoftirqd/000:34:390
1327999401,6cyclictest9-21ksoftirqd/023:19:350
1329999393,30cyclictest4693-21apt-get02:23:273
13299993932,4cyclictest28337-21awk21:38:083
13285993916,3cyclictest16521-21fschecks_time00:23:271
1327999396,8cyclictest9-21ksoftirqd/022:48:310
1327999395,7cyclictest9-21ksoftirqd/022:23:250
1327999395,7cyclictest9-21ksoftirqd/022:23:250
1327999395,7cyclictest9-21ksoftirqd/021:48:080
1327999395,7cyclictest9-21ksoftirqd/021:23:210
1327999394,7cyclictest9-21ksoftirqd/023:15:340
1327999394,5cyclictest9-21ksoftirqd/000:49:210
1327999393,6cyclictest9-21ksoftirqd/000:31:570
1327999393,11cyclictest9-21ksoftirqd/023:58:390
13279993914,7cyclictest9-21ksoftirqd/001:46:340
106891390,1ptp4l401ktimersoftd/302:31:433
106891390,1ptp4l401ktimersoftd/302:12:233
106891390,1ptp4l401ktimersoftd/301:28:333
106891390,1ptp4l401ktimersoftd/301:27:333
106891390,1ptp4l401ktimersoftd/300:45:263
106891390,1ptp4l401ktimersoftd/300:11:243
106891390,1ptp4l401ktimersoftd/300:11:243
1329999382,29cyclictest6320-21apt-get00:13:243
13285993818,4cyclictest25-21ksoftirqd/121:19:091
1328599381,19cyclictest17585-21apt-get22:23:211
1328599381,19cyclictest17585-21apt-get22:23:211
1327999386,7cyclictest9-21ksoftirqd/022:03:270
1327999384,6cyclictest9-21ksoftirqd/021:28:210
1327999384,4cyclictest9-21ksoftirqd/023:03:210
1327999382,6cyclictest0-21swapper/022:33:260
106891380,1ptp4l401ktimersoftd/323:35:213
106891380,1ptp4l401ktimersoftd/323:25:073
106891380,1ptp4l401ktimersoftd/301:46:373
106891380,1ptp4l401ktimersoftd/301:42:363
106891380,1ptp4l401ktimersoftd/301:19:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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