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2025-11-23 - 18:29
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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 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
2751199421,32cyclictest2180-21apt-get11:13:201
27504994233,4cyclictest9-21ksoftirqd/008:23:170
2751699415,7cyclictest33-21ksoftirqd/213:43:302
27516994136,3cyclictest33-21ksoftirqd/211:48:262
27516994127,11cyclictest33-21ksoftirqd/212:34:482
27516994125,4cyclictest33-21ksoftirqd/213:19:002
27516994114,6cyclictest33-21ksoftirqd/211:33:312
27516994112,6cyclictest33-21ksoftirqd/209:58:062
2751199414,31cyclictest24083-21ssh12:53:231
2751199412,32cyclictest10900-21apt-get12:38:221
2751199412,32cyclictest0-21swapper/112:33:211
2750499413,4cyclictest9-21ksoftirqd/009:58:060
27504994131,5cyclictest9-21ksoftirqd/010:08:190
177391410,1ptp4l401ktimersoftd/308:43:213
177391410,1ptp4l401ktimersoftd/308:43:213
27516994034,3cyclictest33-21ksoftirqd/208:28:042
27516994031,3cyclictest33-21ksoftirqd/211:47:282
2751199403,29cyclictest30794-21apt-get08:23:171
2751199402,30cyclictest28290-21apt-get11:43:221
2751199402,30cyclictest13206-21apt-get12:03:241
27504994033,4cyclictest9-21ksoftirqd/012:53:150
27504994031,5cyclictest9-21ksoftirqd/009:28:190
27504994024,4cyclictest9-21ksoftirqd/011:28:090
27504994014,4cyclictest9-21ksoftirqd/013:16:100
27504994013,4cyclictest9-21ksoftirqd/011:33:230
177391400,1ptp4l401ktimersoftd/312:51:143
27516993933,3cyclictest33-21ksoftirqd/212:58:232
27516993933,3cyclictest33-21ksoftirqd/212:43:312
27516993933,3cyclictest33-21ksoftirqd/209:08:232
27516993924,7cyclictest33-21ksoftirqd/213:38:252
2751199392,29cyclictest963-21apt-get08:28:151
27504993933,3cyclictest9-21ksoftirqd/012:33:210
27504993931,4cyclictest9-21ksoftirqd/013:38:260
27504993930,5cyclictest9-21ksoftirqd/010:23:190
177391390,1ptp4l401ktimersoftd/310:23:533
2751199384,30cyclictest5636-21/usr/sbin/munin08:38:221
2751199383,27cyclictest9092-21apt-get09:53:191
2751199383,27cyclictest15182-21apt-get12:43:231
2751199382,29cyclictest29786-21apt-get10:28:191
2751199382,29cyclictest12827-21apt-get08:53:181
27504993824,3cyclictest9-21ksoftirqd/012:08:270
27504993824,3cyclictest9-21ksoftirqd/012:08:270
27504993821,7cyclictest9-21ksoftirqd/010:53:080
177391380,1ptp4l401ktimersoftd/312:56:413
177391380,1ptp4l401ktimersoftd/312:02:373
177391380,1ptp4l401ktimersoftd/309:58:193
177391380,1ptp4l401ktimersoftd/308:18:343
177391380,15ptp4l401ktimersoftd/312:14:243
27516993732,3cyclictest33-21ksoftirqd/208:53:262
27516993731,3cyclictest33-21ksoftirqd/208:38:202
2751199373,28cyclictest0-21swapper/113:43:241
2751199373,27cyclictest30494-21apt-get12:23:221
2751199373,27cyclictest1623-21apt-get10:33:221
2751199373,27cyclictest1623-21apt-get10:33:221
2751199373,27cyclictest13011-21apt-get13:18:251
2751199372,29cyclictest0-21swapper/108:43:161
2751199372,29cyclictest0-21swapper/108:43:161
2751199372,28cyclictest5753-21apt-get10:38:191
2751199372,28cyclictest21909-21apt-get12:13:211
2751199372,27cyclictest21898-21apt-get10:58:251
2751199372,26cyclictest2336-21apt-get12:28:221
27504993731,3cyclictest9-21ksoftirqd/011:18:130
27504993721,3cyclictest9-21ksoftirqd/011:58:300
177391370,1ptp4l401ktimersoftd/313:33:533
177391370,1ptp4l401ktimersoftd/312:25:163
177391370,1ptp4l401ktimersoftd/310:52:433
177391370,1ptp4l401ktimersoftd/310:44:503
177391370,1ptp4l401ktimersoftd/310:35:553
177391370,1ptp4l401ktimersoftd/310:35:553
177391370,1ptp4l401ktimersoftd/310:19:383
177391370,1ptp4l401ktimersoftd/309:03:233
177391370,13ptp4l401ktimersoftd/308:53:223
177391370,0ptp4l401ktimersoftd/313:43:003
177391370,0ptp4l401ktimersoftd/311:14:043
27516993614,8cyclictest33-21ksoftirqd/210:13:212
2751199362,28cyclictest17969-21apt-get10:53:211
2751199362,28cyclictest0-21swapper/108:33:151
2751199362,27cyclictest25540-21apt-get10:23:191
2751199362,27cyclictest19005-21apt-get10:13:191
2751199362,26cyclictest31281-21apt-get13:38:261
2751199361,29cyclictest0-21swapper/111:58:221
2751199360,3cyclictest24804-21ssh10:22:151
27504993622,10cyclictest9-21ksoftirqd/009:38:290
27504993610,4cyclictest9-21ksoftirqd/013:33:250
177391360,2ptp4l20285-21kworker/3:113:15:573
177391360,1ptp4l401ktimersoftd/311:45:553
177391360,1ptp4l401ktimersoftd/311:34:183
177391360,1ptp4l401ktimersoftd/308:28:173
27516993529,3cyclictest33-21ksoftirqd/209:38:232
27516993516,9cyclictest33-21ksoftirqd/208:18:042
2751199352,27cyclictest0-21swapper/109:23:191
27511993514,18cyclictest6848-21seq13:10:401
2751199351,26cyclictest16637-21apt-get10:08:191
2751199350,4cyclictest494-21ssh11:09:521
2751199350,4cyclictest4264-21/usr/sbin/munin09:43:301
2751199350,4cyclictest19226-21turbostat11:33:091
2751199350,4cyclictest14206-21ssh10:48:241
2751199350,4cyclictest13588-21wc10:48:081
2751199350,3cyclictest29071-21cut12:58:311
2751199350,3cyclictest27699-21switchtime11:03:361
2751199350,3cyclictest26937-21sh13:33:241
2751199350,3cyclictest0-21swapper/109:23:061
2750499353,5cyclictest9-21ksoftirqd/013:24:330
27504993523,9cyclictest9-21ksoftirqd/012:58:290
27504993521,11cyclictest9-21ksoftirqd/009:48:240
27504993519,5cyclictest9-21ksoftirqd/011:06:530
27504993518,8cyclictest9-21ksoftirqd/012:53:110
177391350,1ptp4l401ktimersoftd/312:06:113
177391350,1ptp4l401ktimersoftd/310:29:013
177391350,1ptp4l401ktimersoftd/309:28:283
177391350,0ptp4l401ktimersoftd/311:55:003
2751199347,24cyclictest1028-21snmpd11:35:361
27511993411,19cyclictest32707-21cpuspeed_turbos11:48:231
2751199340,4cyclictest11592-21/usr/sbin/munin09:58:271
2751199340,3cyclictest0-21swapper/113:28:271
2751199340,2cyclictest0-21swapper/109:08:051
27504993429,3cyclictest9-21ksoftirqd/011:43:080
27504993428,3cyclictest9-21ksoftirqd/010:33:110
27504993428,3cyclictest9-21ksoftirqd/010:33:110
27504993428,3cyclictest9-21ksoftirqd/009:13:050
27504993428,3cyclictest9-21ksoftirqd/008:18:340
2750499340,3cyclictest121rcu_preempt13:28:150
177391340,1ptp4l401ktimersoftd/309:38:313
177391340,0ptp4l401ktimersoftd/313:12:593
2751199337,23cyclictest28560-21rm12:19:471
2751199332,25cyclictest29659-21apt-get09:28:191
2751199330,3cyclictest2036-21ssh13:04:031
2751199330,3cyclictest11716-21gzip08:48:291
2751199330,3cyclictest11716-21gzip08:48:291
2751199330,3cyclictest0-21swapper/113:24:391
2751199330,2cyclictest0-21swapper/111:19:161
27504993329,2cyclictest9-21ksoftirqd/012:23:100
27504993328,3cyclictest9-21ksoftirqd/011:53:230
27504993328,3cyclictest9-21ksoftirqd/010:43:390
27504993328,3cyclictest9-21ksoftirqd/009:18:230
27504993327,3cyclictest9-21ksoftirqd/009:08:060
177391330,1ptp4l401ktimersoftd/311:28:393
177391330,1ptp4l401ktimersoftd/308:42:123
2751199328,21cyclictest22711-21rm12:51:371
2751199328,21cyclictest12649-21timerandwakeup11:23:411
2751199326,22cyclictest283242chrt08:18:221
27511993210,19cyclictest20598-21tail09:08:211
2751199320,3cyclictest32024-21apt-get09:33:181
2751199320,3cyclictest15555-21fschecks_time08:58:211
2751199320,29cyclictest26111-21rm11:39:201
27504993227,3cyclictest9-21ksoftirqd/010:23:070
27504993226,3cyclictest9-21ksoftirqd/013:08:110
2750499320,7cyclictest121rcu_preempt08:38:200
177391320,1ptp4l401ktimersoftd/312:34:463
177391320,1ptp4l401ktimersoftd/311:02:593
177391320,1ptp4l401ktimersoftd/309:37:583
177391320,1ptp4l401ktimersoftd/308:58:193
177391320,11ptp4l401ktimersoftd/308:36:073
177391320,10ptp4l401ktimersoftd/313:31:163
2751199319,19cyclictest2128-21expr09:38:191
2751199316,21cyclictest6725-21bc09:48:181
2751199310,27cyclictest6560-21ssh11:54:171
27504993126,3cyclictest9-21ksoftirqd/010:03:430
27504993126,3cyclictest9-21ksoftirqd/008:58:050
27504993125,3cyclictest9-21ksoftirqd/013:43:410
27504993125,3cyclictest9-21ksoftirqd/009:43:240
27504993125,3cyclictest9-21ksoftirqd/008:33:220
177391310,1ptp4l401ktimersoftd/311:03:583
177391310,1ptp4l401ktimersoftd/309:22:073
177391310,1ptp4l401ktimersoftd/309:14:403
177391310,0ptp4l401ktimersoftd/312:09:213
177391310,0ptp4l401ktimersoftd/312:09:213
2751199300,4cyclictest23006-21/usr/sbin/munin09:13:221
27504993025,3cyclictest9-21ksoftirqd/009:58:330
27504993024,4cyclictest9-21ksoftirqd/009:13:210
177391300,1ptp4l401ktimersoftd/313:27:003
177391300,1ptp4l401ktimersoftd/309:56:283
177391300,1ptp4l401ktimersoftd/308:49:013
177391300,1ptp4l401ktimersoftd/308:49:013
2751199290,2cyclictest0-21swapper/110:03:071
266922295,10sleep10-21swapper/108:13:311
110122281,3sleep00-21swapper/008:48:250
110122281,3sleep00-21swapper/008:48:250
177391270,1ptp4l401ktimersoftd/310:16:333
177391260,1ptp4l401ktimersoftd/310:10:063
177391260,11ptp4l401ktimersoftd/309:08:313
27524992520,3cyclictest41-21ksoftirqd/309:48:063
177391250,1ptp4l401ktimersoftd/310:03:193
177391250,1ptp4l401ktimersoftd/308:23:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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