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2026-07-14 - 13:39
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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 all 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
106891380,1ptp4l401ktimersoftd/300:58:263
106891380,1ptp4l401ktimersoftd/300:53:083
106891380,0ptp4l401ktimersoftd/300:54:353
1329999372,26cyclictest27245-21apt-get02:13:253
13299993721,13cyclictest41-21ksoftirqd/321:19:353
1329999370,4cyclictest21183-21ptp4l-jitter22:28:323
1329999370,4cyclictest21183-21ptp4l-jitter22:28:323
13285993715,15cyclictest47050irq/101-ens3-Tx00:43:231
1327999375,7cyclictest9-21ksoftirqd/021:53:210
1327999371,7cyclictest9-21ksoftirqd/022:13:380
106891370,1ptp4l401ktimersoftd/323:50:003
106891370,1ptp4l401ktimersoftd/323:42:553
106891370,1ptp4l401ktimersoftd/323:23:053
106891370,1ptp4l401ktimersoftd/323:13:533
106891370,1ptp4l401ktimersoftd/301:53:343
106891370,1ptp4l401ktimersoftd/301:53:343
106891370,1ptp4l401ktimersoftd/301:12:363
106891370,1ptp4l401ktimersoftd/301:05:483
106891370,1ptp4l401ktimersoftd/300:40:113
106891370,1ptp4l401ktimersoftd/300:36:383
106891370,1ptp4l401ktimersoftd/300:26:183
106891370,1ptp4l401ktimersoftd/300:19:193
106891370,1ptp4l401ktimersoftd/300:07:023
106891370,1ptp4l401ktimersoftd/300:07:023
1329999362,26cyclictest1977-21apt-get22:58:223
13299993620,13cyclictest41-21ksoftirqd/322:10:343
13299993619,14cyclictest41-21ksoftirqd/321:24:573
1327999363,7cyclictest9-21ksoftirqd/021:48:300
106891360,1ptp4l401ktimersoftd/323:09:283
106891360,1ptp4l401ktimersoftd/322:33:363
106891360,1ptp4l401ktimersoftd/302:18:573
1329999350,4cyclictest4934-21unixbench_multi21:53:393
1329999350,4cyclictest25144-21ssh00:32:303
1329999350,32cyclictest4449-21grep23:03:233
1327999356,10cyclictest9-21ksoftirqd/021:58:220
1327999355,8cyclictest9-21ksoftirqd/021:38:310
1327999353,7cyclictest9-21ksoftirqd/022:53:230
1327999353,7cyclictest9-21ksoftirqd/021:18:280
106891350,1ptp4l401ktimersoftd/323:31:543
1329999342,26cyclictest28657-21apt-get21:38:213
1329999342,25cyclictest19100-21apt-get23:53:233
13299993413,18cyclictest25215-21if_enp1s022:38:263
1327999344,7cyclictest9-21ksoftirqd/022:58:380
1329999331,5cyclictest9318-21awk23:43:233
13299993314,16cyclictest6668-21sh01:52:353
1329999331,26cyclictest0-21swapper/322:43:213
1329999330,3cyclictest20269-21taskset02:05:253
1327999332,7cyclictest9-21ksoftirqd/022:18:220
1329999327,22cyclictest1106-21cpuspeed_turbos21:48:223
1329999326,23cyclictest31125-21users22:48:403
1329999325,23cyclictest8291-21expr22:03:233
13299993213,16cyclictest27774-21sh00:01:553
13299993212,17cyclictest15218-21apt-get22:18:203
1329999312,22cyclictest0-21swapper/321:43:193
1329999310,3cyclictest0-21swapper/321:58:273
1329399312,6cyclictest121rcu_preempt23:27:132
1329399310,3cyclictest121rcu_preempt01:14:422
13293993019,6cyclictest24387-1kworker/u9:200:33:232
1328599305,13cyclictest17319-21ssh02:03:271
125582303,17sleep112660-21cat21:03:381
1329999297,19cyclictest14638-21awk21:08:273
1329999291,5cyclictest23822-21/usr/sbin/munin21:28:193
1329999290,4cyclictest17842-21df_inode22:23:233
1329999290,4cyclictest17842-21df_inode22:23:233
13285992915,7cyclictest9264-21ssh23:43:231
106891290,1ptp4l401ktimersoftd/321:13:093
297762280,2sleep10-21swapper/122:48:261
13293992818,6cyclictest321ktimersoftd/221:53:222
13293992720,4cyclictest33-21ksoftirqd/221:41:142
1329399262,6cyclictest121rcu_preempt01:45:332
13293992621,3cyclictest33-21ksoftirqd/223:48:372
13293992620,3cyclictest33-21ksoftirqd/223:29:492
13285992618,5cyclictest13522-21grep01:58:351
13285992618,5cyclictest13522-21grep01:58:351
1329399256,13cyclictest9576-21ssh02:28:262
1329399254,14cyclictest6340-21ssh00:13:252
1329399254,13cyclictest27247-21ssh02:13:252
13293992519,4cyclictest33-21ksoftirqd/223:06:212
13293992519,3cyclictest33-21ksoftirqd/201:41:532
13293992519,3cyclictest33-21ksoftirqd/201:32:042
13293992518,4cyclictest33-21ksoftirqd/222:20:362
13293992518,4cyclictest33-21ksoftirqd/221:22:352
13293992518,4cyclictest33-21ksoftirqd/201:53:072
13285992519,3cyclictest25-21ksoftirqd/101:53:381
13285992519,3cyclictest25-21ksoftirqd/101:53:381
13285992516,5cyclictest32312-21cpuspeed_turbos02:18:251
1328599251,2cyclictest121rcu_preempt02:25:291
80902240,1sleep10-21swapper/101:20:141
1329399249,12cyclictest14930-21gltestperf02:33:312
13293992419,3cyclictest33-21ksoftirqd/201:53:262
13293992419,3cyclictest33-21ksoftirqd/201:53:262
13293992418,4cyclictest33-21ksoftirqd/201:22:522
13293992417,4cyclictest33-21ksoftirqd/221:31:022
13293992417,4cyclictest33-21ksoftirqd/200:43:292
13293992417,4cyclictest27865-21grep21:33:372
1328599242,12cyclictest1416-21ssh00:08:231
1328599242,12cyclictest1416-21ssh00:08:231
13285992417,4cyclictest25-21ksoftirqd/121:45:391
13285992417,4cyclictest25-21ksoftirqd/121:18:071
13285992416,5cyclictest24808-21cpuspeed_turbos22:38:221
13293992317,4cyclictest33-21ksoftirqd/222:53:572
13293992317,3cyclictest33-21ksoftirqd/222:59:562
13293992317,3cyclictest33-21ksoftirqd/222:12:312
13293992317,3cyclictest33-21ksoftirqd/202:05:062
13293992317,3cyclictest2314-21snmp_o5powerctl21:48:362
13293992316,4cyclictest33-21ksoftirqd/223:41:142
13293992315,5cyclictest12556-21cut00:18:332
13293992314,4cyclictest10001-21unixbench_multi00:48:412
1329399231,20cyclictest0-21swapper/200:08:352
1329399231,20cyclictest0-21swapper/200:08:352
13285992318,3cyclictest25-21ksoftirqd/101:23:381
13285992316,4cyclictest25-21ksoftirqd/122:45:281
13285992316,4cyclictest25-21ksoftirqd/122:33:081
13285992316,4cyclictest25-21ksoftirqd/122:33:081
13285992316,4cyclictest25-21ksoftirqd/121:50:001
13285992316,4cyclictest25-21ksoftirqd/121:27:441
13285992316,4cyclictest25-21ksoftirqd/121:09:221
13285992311,9cyclictest13652-21grep00:53:291
1328599230,20cyclictest31527-21/usr/sbin/munin23:33:291
1328599230,20cyclictest18112-21rm02:36:491
1329399227,10cyclictest3863-21kworker/2:001:23:252
1329399223,12cyclictest4701-21ssh02:23:272
1329399223,12cyclictest19113-21ssh23:53:252
13293992216,3cyclictest33-21ksoftirqd/221:08:082
13293992215,4cyclictest8965-21irqstats22:03:292
13293992215,4cyclictest33-21ksoftirqd/222:26:192
13293992215,4cyclictest33-21ksoftirqd/222:26:192
13293992215,4cyclictest33-21ksoftirqd/221:17:172
13293992215,4cyclictest31912-21grep23:33:262
13293992215,4cyclictest21514-21head00:28:272
13293992214,4cyclictest18371-21timerwakeupswit23:18:412
1329399221,19cyclictest0-21swapper/202:21:142
1329399221,18cyclictest28407-21snmp_o5powerctl22:43:332
13285992216,3cyclictest25-21ksoftirqd/122:56:271
13285992216,3cyclictest25-21ksoftirqd/102:30:321
13285992216,3cyclictest25-21ksoftirqd/101:36:001
13285992215,4cyclictest25-21ksoftirqd/122:00:561
13285992215,4cyclictest25-21ksoftirqd/121:31:501
13285992215,4cyclictest25-21ksoftirqd/101:13:391
13285992214,4cyclictest2475-21acpi01:48:241
13285992214,4cyclictest23261-21expr01:03:261
1328599220,19cyclictest18793-21ssh23:19:061
13293992115,4cyclictest33-21ksoftirqd/222:39:462
13293992115,4cyclictest26746-21ssh00:00:112
13293992115,3cyclictest7199-21grep23:08:242
13293992115,3cyclictest33-21ksoftirqd/221:58:532
13293992114,4cyclictest33-21ksoftirqd/223:45:562
13293992114,4cyclictest33-21ksoftirqd/222:35:182
13293992114,4cyclictest22229-21sh01:33:552
13293992114,4cyclictest15361-21sh23:16:402
1329399211,3cyclictest0-21swapper/200:03:232
1329399211,3cyclictest0-21swapper/200:03:232
1329399211,17cyclictest14773-21ssh01:59:382
1329399211,17cyclictest14773-21ssh01:59:382
1329399210,18cyclictest29569-21grep01:08:412
1328599217,4cyclictest16763-21tr01:28:351
1328599214,9cyclictest0-21swapper/122:13:221
13285992115,3cyclictest25-21ksoftirqd/122:58:161
13285992114,4cyclictest32419-21sh01:44:321
13285992114,4cyclictest29050-21grep21:38:241
13285992114,4cyclictest25-21ksoftirqd/122:03:411
13285992114,4cyclictest25-21ksoftirqd/121:34:551
13285992114,4cyclictest25-21ksoftirqd/100:31:041
13285992114,4cyclictest24966-21ssh02:10:021
13285992114,4cyclictest2059-21sh00:41:421
13285992114,4cyclictest16840-21unixbench_multi22:18:421
13285992114,4cyclictest11914-21date00:51:441
13285992113,4cyclictest28359-21fschecks_time01:08:281
13285992112,3cyclictest15440-21processes23:48:331
1328599211,17cyclictest0-21swapper/123:41:091
1329399201,4cyclictest31344-21grep00:38:282
1329399201,3cyclictest0-21swapper/200:58:252
13293992013,4cyclictest21178-21cut22:28:322
13293992013,4cyclictest21178-21cut22:28:322
13285992014,3cyclictest5019-21users21:53:401
13285992014,3cyclictest28860-21sh00:03:221
13285992014,3cyclictest28860-21sh00:03:221
13285992014,3cyclictest26864-21sh00:00:231
13285992014,3cyclictest25-21ksoftirqd/101:02:231
13285992013,4cyclictest29588-21sh00:36:431
13285992013,4cyclictest21962-21sh23:55:271
13285992013,4cyclictest12696-21cat22:13:081
13285992012,4cyclictest12807-21missed_timers23:13:321
1328599200,18cyclictest0-21swapper/102:13:381
1329399197,9cyclictest21972-21irqrtprio21:23:262
13293991913,4cyclictest33-21ksoftirqd/221:48:052
13293991913,3cyclictest33-21ksoftirqd/222:14:122
1329399191,15cyclictest13210-21apt-get00:53:242
13285991913,3cyclictest5874-21timerwakeupswit23:03:391
13285991913,3cyclictest25383-21expr01:38:261
13285991913,3cyclictest25-21ksoftirqd/122:33:551
13293991811,4cyclictest26366-21sh01:06:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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