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2025-06-18 - 17:23
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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 all highest latencies:
System rackdslot1.osadl.org (updated Wed Jun 18, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
550721730,6sleep30-21swapper/307:05:203
2847191770,25ptp4l4965-21apt-get07:05:162
2847191750,4ptp4l24152-21iostat12:20:191
307412740,5sleep00-21swapper/011:25:160
730899720,33cyclictest28630-21chrt10:13:502
730899711,32cyclictest25502-21chrt11:14:392
2847191710,3ptp4l1299-21runrttasks11:07:510
730899701,32cyclictest3065-21chrt09:17:372
730899701,32cyclictest25610-21taskset12:24:522
730899700,33cyclictest9955-21chrt09:31:542
730899700,33cyclictest25583-21chrt07:47:232
730899700,33cyclictest16627-21taskset08:37:302
730899690,33cyclictest2718-21chrt08:09:342
730899690,32cyclictest32586-21chrt08:03:072
730899690,32cyclictest30074-21chrt07:55:442
730899681,31cyclictest31056-21taskset10:17:392
730899681,30cyclictest16519-21taskset07:29:422
730899680,33cyclictest23508-21chrt08:51:422
730899680,33cyclictest23508-21chrt08:51:422
730899680,31cyclictest28861-21chrt09:05:102
730899671,31cyclictest9779-21taskset08:23:182
730899671,31cyclictest8698-21taskset10:40:092
730899671,30cyclictest20978-21taskset07:37:442
730899671,30cyclictest20978-21taskset07:37:442
730899671,30cyclictest18352-21taskset12:05:492
730899671,30cyclictest18352-21taskset12:05:492
730899671,29cyclictest1029-21taskset10:20:442
730899670,33cyclictest32462-21chrt11:29:512
730899670,31cyclictest9418-21chrt11:49:502
730899670,31cyclictest16777-21taskset07:30:062
730899662,27cyclictest0-21swapper/210:50:212
730899660,32cyclictest22933-21chrt11:09:012
730899660,32cyclictest16823-21chrt09:46:022
730899660,32cyclictest11601-21chrt11:53:192
730899660,32cyclictest11555-21chrt07:18:152
730899660,31cyclictest29922-21chrt11:21:532
730899660,31cyclictest13021-21taskset10:46:392
730899660,30cyclictest32374-21taskset12:37:512
730899660,30cyclictest12208-21taskset08:29:512
730899650,31cyclictest9112-21chrt07:11:332
2847191650,4ptp4l0-21swapper/111:20:271
730899640,28cyclictest14094-21chrt07:23:122
730899634,32cyclictest995-21sed11:30:212
2847191630,4ptp4l0-21swapper/107:40:271
730899620,29cyclictest535-21taskset09:11:432
730899620,29cyclictest4955-21chrt08:13:432
730899610,36cyclictest7490-21chrt08:18:442
730899610,35cyclictest20412-21chrt11:01:232
730899610,30cyclictest7765-21chrt09:28:252
730899610,28cyclictest21478-21taskset09:56:372
730899610,28cyclictest14463-21taskset08:34:162
2847191610,4ptp4l12943-21ls11:55:211
2847191610,4ptp4l0-21swapper/107:10:211
730899601,34cyclictest8159-21chrt10:36:282
730899600,30cyclictest23373-21chrt07:43:342
730899600,30cyclictest10429-21taskset09:35:012
730899590,30cyclictest16293-21taskset12:04:002
730899590,29cyclictest14595-21taskset09:42:042
2847191590,3ptp4l0-21swapper/007:14:350
730899580,34cyclictest27776-21chrt07:50:562
730899580,34cyclictest27687-21chrt11:18:082
2847191580,4ptp4l0-21swapper/112:19:551
2847191580,4ptp4l0-21swapper/107:45:281
2847191580,3ptp4l0-21swapper/111:39:091
730899571,27cyclictest20733-21taskset12:11:472
730899570,36cyclictest7065-21chrt11:44:162
730899570,34cyclictest5425-21chrt09:23:032
730899570,29cyclictest30141-21taskset12:33:492
730899570,26cyclictest23256-21taskset12:19:302
2847191570,4ptp4l0-21swapper/111:41:571
2847191570,4ptp4l0-21swapper/109:48:221
2847191570,4ptp4l0-21swapper/108:50:251
2847191570,4ptp4l0-21swapper/108:50:251
2847191570,4ptp4l0-21swapper/008:38:370
2847191570,3ptp4l0-21swapper/010:30:140
730899560,34cyclictest25908-21chrt08:57:562
730899560,28cyclictest23922-21chrt10:03:072
730699564,19cyclictest2847191ptp4l08:50:210
730699564,19cyclictest2847191ptp4l08:50:210
2847191560,4ptp4l0-21swapper/112:05:501
2847191560,4ptp4l0-21swapper/112:05:501
2847191560,4ptp4l0-21swapper/110:03:591
2847191560,4ptp4l0-21swapper/107:30:591
2847191560,4ptp4l0-21swapper/010:21:390
2847191560,4ptp4l0-21swapper/009:58:360
2847191560,3ptp4l0-21swapper/110:24:591
2847191560,3ptp4l0-21swapper/107:15:151
2847191560,3ptp4l0-21swapper/010:43:140
730899550,23cyclictest28008-21ssh09:00:302
2847191550,4ptp4l0-21swapper/112:37:091
2847191550,4ptp4l0-21swapper/107:24:121
2847191550,3ptp4l0-21swapper/111:28:381
2847191550,3ptp4l0-21swapper/110:44:051
2847191550,3ptp4l0-21swapper/108:38:191
2847191550,3ptp4l0-21swapper/012:13:410
2847191550,3ptp4l0-21swapper/007:45:230
730899540,28cyclictest19070-21runrttasks08:43:562
730899540,27cyclictest27587-21taskset12:25:392
2847191540,4ptp4l0-21swapper/110:25:411
2847191540,4ptp4l0-21swapper/109:06:361
2847191540,4ptp4l0-21swapper/108:23:411
2847191540,4ptp4l0-21swapper/108:16:481
2847191540,3ptp4l0-21swapper/107:50:241
2847191540,3ptp4l0-21swapper/008:25:270
730699531,24cyclictest2847191ptp4l08:20:210
2847191530,4ptp4l0-21swapper/109:02:391
281522530,3sleep1241ktimersoftd/110:10:321
2847191520,4ptp4l0-21swapper/310:48:593
730699511,4cyclictest2849491getstats12:30:200
2847191510,4ptp4l0-21swapper/111:14:511
2847191510,4ptp4l0-21swapper/109:24:391
2847191510,4ptp4l0-21swapper/108:34:181
2847191510,3ptp4l0-21swapper/010:50:290
730899500,23cyclictest1299-21runrttasks09:52:482
2847191500,4ptp4l0-21swapper/109:50:371
2847191500,3ptp4l0-21swapper/110:30:191
730899490,15cyclictest2849691phc2sys08:50:002
2847191490,4ptp4l0-21swapper/109:16:141
730699481,3cyclictest2849491getstats09:20:190
2847191480,4ptp4l0-21swapper/311:15:243
2847191480,4ptp4l0-21swapper/310:05:423
2847191480,4ptp4l0-21swapper/112:10:311
2847191480,3ptp4l0-21swapper/108:42:181
2847191470,4ptp4l0-21swapper/310:20:223
2847191470,4ptp4l0-21swapper/110:08:331
2847191470,3ptp4l0-21swapper/110:59:361
2847191470,3ptp4l0-21swapper/109:40:111
2847191470,3ptp4l0-21swapper/109:14:561
2847191470,3ptp4l0-21swapper/107:26:101
730899460,34cyclictest14031-21chrt11:59:522
2847191460,7ptp4l101ktimersoftd/007:07:390
2847191460,4ptp4l0-21swapper/308:07:193
2847191460,4ptp4l0-21swapper/008:16:150
2847191460,3ptp4l0-21swapper/010:38:390
2847191460,3ptp4l0-21swapper/009:10:590
730899450,32cyclictest5783-21chrt10:30:392
730899450,32cyclictest18352-21chrt10:59:462
730899450,25cyclictest26059-21seq10:05:532
2847191450,5ptp4l0-21swapper/311:40:133
2847191450,5ptp4l0-21swapper/311:20:143
2847191450,4ptp4l0-21swapper/110:15:551
2847191450,4ptp4l0-21swapper/109:56:131
2847191450,3ptp4l0-21swapper/111:09:431
2847191450,3ptp4l0-21swapper/011:20:370
2847191450,3ptp4l0-21swapper/007:42:090
2847191440,9ptp4l0-21swapper/310:42:423
2847191440,9ptp4l0-21swapper/309:51:593
2847191440,9ptp4l0-21swapper/309:46:203
2847191440,4ptp4l26645-21apt-get10:10:173
2847191440,3ptp4l0-21swapper/012:27:410
2847191440,3ptp4l0-21swapper/011:39:510
2847191440,3ptp4l0-21swapper/010:59:310
2847191440,10ptp4l0-21swapper/311:47:593
730899430,31cyclictest1687-21chrt10:25:052
2847191430,9ptp4l28480-21tr07:55:151
2847191430,9ptp4l0-21swapper/312:25:413
2847191430,9ptp4l0-21swapper/311:57:383
2847191430,9ptp4l0-21swapper/311:26:263
2847191430,9ptp4l0-21swapper/309:06:033
2847191430,9ptp4l0-21swapper/308:23:343
2847191430,8ptp4l0-21swapper/311:06:093
2847191430,4ptp4l0-21swapper/109:35:031
2847191430,4ptp4l0-21swapper/108:46:241
2847191430,3ptp4l0-21swapper/009:43:180
2847191430,10ptp4l0-21swapper/308:49:213
730899420,28cyclictest4566-21chrt11:37:062
2847191420,9ptp4l0-21swapper/310:33:203
2847191420,5ptp4l6276-21hddtemp_smartct09:25:171
2847191420,5ptp4l0-21swapper/107:36:201
2847191420,5ptp4l0-21swapper/107:36:201
2847191420,5ptp4l0-21swapper/011:15:250
2847191420,4ptp4l0-21swapper/111:48:351
2847191420,4ptp4l0-21swapper/110:36:071
2847191420,4ptp4l0-21swapper/108:02:031
2847191420,4ptp4l0-21swapper/011:55:290
2847191420,3ptp4l0-21swapper/112:32:531
2847191420,3ptp4l0-21swapper/010:48:400
2847191420,3ptp4l0-21swapper/008:43:210
2847191410,5ptp4l1280-21df09:15:150
2847191410,5ptp4l0-21swapper/008:55:270
2847191410,5ptp4l0-21swapper/008:05:170
2847191410,5ptp4l0-21swapper/007:35:250
2847191410,5ptp4l0-21swapper/007:35:250
2847191410,4ptp4l6051-21df09:25:150
2847191410,4ptp4l12475-21apt-get08:30:133
2847191410,4ptp4l10492-21diskstats08:25:171
2847191410,4ptp4l10131-21hddtemp_smartct11:50:171
2847191410,4ptp4l0-21swapper/312:36:153
2847191410,4ptp4l0-21swapper/312:23:573
2847191410,4ptp4l0-21swapper/312:06:323
2847191410,4ptp4l0-21swapper/312:06:313
2847191410,4ptp4l0-21swapper/311:52:113
2847191410,4ptp4l0-21swapper/311:31:573
2847191410,4ptp4l0-21swapper/308:36:553
2847191410,4ptp4l0-21swapper/307:25:413
2847191410,4ptp4l0-21swapper/111:31:111
2847191410,4ptp4l0-21swapper/011:48:110
2847191410,4ptp4l0-21swapper/011:44:190
2847191410,3ptp4l26090-21df12:25:151
2847191410,3ptp4l18144-21ls12:05:300
2847191410,3ptp4l18144-21ls12:05:300
2847191400,5ptp4l0-21swapper/311:00:173
2847191400,5ptp4l0-21swapper/309:25:353
2847191400,5ptp4l0-21swapper/011:00:280
2847191400,5ptp4l0-21swapper/010:05:180
2847191400,5ptp4l0-21swapper/008:10:200
2847191400,5ptp4l0-21swapper/008:03:100
2847191400,4ptp4l26084-21apt-get09:00:030
2847191400,4ptp4l11820-21iostat_ios10:45:221
2847191400,4ptp4l0-21swapper/312:30:513
2847191400,4ptp4l0-21swapper/312:15:213
2847191400,4ptp4l0-21swapper/312:13:333
2847191400,4ptp4l0-21swapper/312:04:323
2847191400,4ptp4l0-21swapper/310:56:043
2847191400,4ptp4l0-21swapper/310:28:193
2847191400,4ptp4l0-21swapper/310:15:123
2847191400,4ptp4l0-21swapper/308:58:533
2847191400,4ptp4l0-21swapper/308:12:173
2847191400,4ptp4l0-21swapper/307:20:173
2847191400,4ptp4l0-21swapper/111:16:481
2847191400,4ptp4l0-21swapper/110:54:111
2847191400,4ptp4l0-21swapper/109:34:591
2847191400,4ptp4l0-21swapper/012:35:130
2847191400,4ptp4l0-21swapper/012:20:160
2847191400,4ptp4l0-21swapper/012:15:210
2847191400,4ptp4l0-21swapper/012:02:490
2847191400,4ptp4l0-21swapper/011:50:180
2847191400,4ptp4l0-21swapper/011:30:220
2847191400,4ptp4l0-21swapper/010:15:170
2847191400,4ptp4l0-21swapper/007:34:500
2847191400,3ptp4l28356-21apt-get07:55:133
2847191400,3ptp4l23020-21apt-get11:10:020
2847191400,3ptp4l18352-21meminfo09:50:210
2847191400,3ptp4l0-21swapper/112:00:321
2847191390,4ptp4l1795-21llvmpipe-207:05:591
2847191390,4ptp4l0-21swapper/311:13:063
2847191390,4ptp4l0-21swapper/310:38:513
2847191390,4ptp4l0-21swapper/310:00:203
2847191390,4ptp4l0-21swapper/309:30:133
2847191390,4ptp4l0-21swapper/309:20:593
2847191390,4ptp4l0-21swapper/309:00:513
2847191390,4ptp4l0-21swapper/308:50:053
2847191390,4ptp4l0-21swapper/308:50:053
2847191390,4ptp4l0-21swapper/308:41:383
2847191390,4ptp4l0-21swapper/308:25:253
2847191390,4ptp4l0-21swapper/308:15:433
2847191390,4ptp4l0-21swapper/308:01:343
2847191390,4ptp4l0-21swapper/307:52:153
2847191390,4ptp4l0-21swapper/307:46:043
2847191390,4ptp4l0-21swapper/307:34:463
2847191390,4ptp4l0-21swapper/307:18:183
2847191390,4ptp4l0-21swapper/111:02:341
2847191390,4ptp4l0-21swapper/010:28:220
2847191390,4ptp4l0-21swapper/010:10:240
2847191390,4ptp4l0-21swapper/009:45:160
2847191390,4ptp4l0-21swapper/009:39:580
2847191390,4ptp4l0-21swapper/009:30:200
2847191390,4ptp4l0-21swapper/009:06:080
2847191390,4ptp4l0-21swapper/008:48:480
2847191390,4ptp4l0-21swapper/008:30:170
2847191390,4ptp4l0-21swapper/007:56:140
2847191390,4ptp4l0-21swapper/007:25:310
2847191390,4ptp4l0-21swapper/007:20:260
2847191390,3ptp4l0-21swapper/311:35:323
2847191390,3ptp4l0-21swapper/309:58:163
2847191390,3ptp4l0-21swapper/307:11:293
2847191380,4ptp4l28210-21latency_hist07:55:010
2847191380,4ptp4l0-21swapper/310:50:063
2847191380,4ptp4l0-21swapper/309:35:053
2847191380,4ptp4l0-21swapper/309:16:113
2847191380,4ptp4l0-21swapper/108:58:351
2847191380,4ptp4l0-21swapper/108:10:131
2847191380,4ptp4l0-21swapper/007:15:270
2847191380,3ptp4l1011-21/usr/sbin/munin08:05:191
2847191380,3ptp4l0-21swapper/309:40:373
2847191380,3ptp4l0-21swapper/309:10:523
2847191380,3ptp4l0-21swapper/307:40:343
2847191380,3ptp4l0-21swapper/010:00:250
2847191370,4ptp4l0-21swapper/307:37:343
2847191370,4ptp4l0-21swapper/307:37:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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