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2025-11-24 - 02:23
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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 Sun Nov 23, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545721640,4sleep22751699cyclictest11:28:242
1773911050,4ptp4l401ktimersoftd/308:14:253
275542700,2sleep20-21swapper/211:03:312
187722700,2sleep00-21swapper/012:47:270
85852690,2sleep00-21swapper/010:41:370
27516996854,6cyclictest33-21ksoftirqd/213:03:222
2751199670,2cyclictest0-21swapper/113:14:551
177391670,2ptp4l401ktimersoftd/309:53:073
177391670,1ptp4l401ktimersoftd/312:19:433
177391670,1ptp4l401ktimersoftd/311:08:353
27516996652,7cyclictest33-21ksoftirqd/210:48:202
27504996452,6cyclictest9-21ksoftirqd/010:58:250
27516996351,5cyclictest33-21ksoftirqd/211:38:212
27516996350,7cyclictest33-21ksoftirqd/209:18:182
27516996150,5cyclictest33-21ksoftirqd/209:13:172
27504996150,6cyclictest9-21ksoftirqd/012:23:220
177391610,1ptp4l401ktimersoftd/309:26:523
177391600,2ptp4l11592-21kworker/3:110:54:303
27504995950,5cyclictest9-21ksoftirqd/011:08:190
27504995949,5cyclictest9-21ksoftirqd/013:08:240
27504995949,5cyclictest9-21ksoftirqd/012:03:240
142972590,2sleep30-21swapper/312:42:123
322432580,2sleep00-21swapper/010:30:010
27504995747,6cyclictest9-21ksoftirqd/011:13:200
27504995746,6cyclictest9-21ksoftirqd/012:13:210
27504995716,5cyclictest9-21ksoftirqd/011:48:400
177391570,1ptp4l401ktimersoftd/313:01:213
27504995647,5cyclictest9-21ksoftirqd/008:53:180
243252560,2sleep224327-21ssh13:29:212
27504995546,4cyclictest9-21ksoftirqd/013:18:250
27504995545,5cyclictest9-21ksoftirqd/012:28:220
27504995445,4cyclictest9-21ksoftirqd/010:53:210
184332540,2sleep30-21swapper/312:46:463
177391540,2ptp4l401ktimersoftd/310:39:143
27516995326,3cyclictest33-21ksoftirqd/212:03:092
27504995341,6cyclictest9-21ksoftirqd/008:28:150
272032534,38sleep00-21swapper/008:15:320
115272530,2sleep30-21swapper/311:23:273
27504995215,10cyclictest9-21ksoftirqd/008:43:270
27504995215,10cyclictest9-21ksoftirqd/008:43:270
27504995144,4cyclictest9-21ksoftirqd/010:13:190
181732510,2sleep00-21swapper/011:31:030
177391510,3ptp4l20285-21kworker/3:113:06:183
27516995030,3cyclictest33-21ksoftirqd/208:43:172
27516995030,3cyclictest33-21ksoftirqd/208:43:172
177391500,1ptp4l401ktimersoftd/312:29:263
27516994943,3cyclictest33-21ksoftirqd/212:53:152
27516994931,3cyclictest33-21ksoftirqd/210:03:432
27516994924,4cyclictest33-21ksoftirqd/210:58:032
27516994921,4cyclictest33-21ksoftirqd/210:23:372
27504994940,4cyclictest9-21ksoftirqd/011:43:230
177391490,1ptp4l401ktimersoftd/311:18:493
27516994825,4cyclictest33-21ksoftirqd/208:33:332
27516994823,4cyclictest33-21ksoftirqd/210:08:372
27516994816,8cyclictest33-21ksoftirqd/213:13:302
27504994813,9cyclictest9-21ksoftirqd/009:33:240
177391480,14ptp4l684-21kworker/3:211:40:373
27516994741,3cyclictest33-21ksoftirqd/212:13:142
27516994739,4cyclictest33-21ksoftirqd/211:23:232
27516994733,4cyclictest33-21ksoftirqd/212:28:402
27516994724,7cyclictest33-21ksoftirqd/209:23:292
27516994723,5cyclictest33-21ksoftirqd/208:58:232
27516994722,4cyclictest33-21ksoftirqd/210:38:252
27516994720,4cyclictest33-21ksoftirqd/210:58:322
27504994739,4cyclictest9-21ksoftirqd/012:38:230
177391470,0ptp4l401ktimersoftd/313:45:313
27516994634,3cyclictest33-21ksoftirqd/213:33:302
177391460,2ptp4l20285-21kworker/3:113:21:233
27516994532,3cyclictest33-21ksoftirqd/209:28:252
27516994532,3cyclictest33-21ksoftirqd/209:03:282
27516994526,5cyclictest33-21ksoftirqd/211:08:232
2751699452,3cyclictest121rcu_preempt10:43:122
27516994523,7cyclictest33-21ksoftirqd/213:08:332
27516994519,4cyclictest33-21ksoftirqd/212:18:262
27516994514,9cyclictest33-21ksoftirqd/210:18:202
27504994535,5cyclictest9-21ksoftirqd/009:23:190
177391450,2ptp4l684-21kworker/3:211:49:473
2751699448,3cyclictest121rcu_preempt12:26:002
27516994427,6cyclictest33-21ksoftirqd/208:28:102
27516994426,4cyclictest33-21ksoftirqd/211:18:262
27516994417,4cyclictest33-21ksoftirqd/209:58:192
27516994411,8cyclictest33-21ksoftirqd/212:38:402
27516994331,3cyclictest33-21ksoftirqd/210:38:072
27516994331,3cyclictest33-21ksoftirqd/210:38:072
27516994320,7cyclictest33-21ksoftirqd/209:33:252
27516994320,4cyclictest33-21ksoftirqd/208:48:182
27516994320,4cyclictest33-21ksoftirqd/208:48:182
27516994319,8cyclictest33-21ksoftirqd/210:28:302
27516994319,4cyclictest33-21ksoftirqd/208:18:182
27516994318,6cyclictest33-21ksoftirqd/212:08:362
27516994318,6cyclictest33-21ksoftirqd/212:08:362
27516994236,3cyclictest33-21ksoftirqd/209:48:182
27516994232,3cyclictest33-21ksoftirqd/212:03:412
27516994230,9cyclictest33-21ksoftirqd/212:48:262
27516994230,3cyclictest33-21ksoftirqd/213:23:292
27516994229,10cyclictest33-21ksoftirqd/211:53:232
27516994212,5cyclictest33-21ksoftirqd/209:48:072
27516994212,4cyclictest33-21ksoftirqd/211:13:372
2751199422,31cyclictest17460-21apt-get12:08:211
2751199422,31cyclictest17460-21apt-get12:08:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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