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2025-12-09 - 21:07
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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 the highest latencies:
System rackdslot3.osadl.org (updated Tue Dec 09, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120192205171,23sleep30-21swapper/307:09:483
119142204171,22sleep20-21swapper/207:08:332
118512201168,22sleep10-21swapper/107:07:451
118502200166,23sleep00-21swapper/007:07:430
120382161123,13sleep10-21swapper/107:10:021
136991690,1ptp4l401ktimersoftd/312:14:103
136991690,1ptp4l401ktimersoftd/312:14:103
136991670,1ptp4l401ktimersoftd/311:34:093
71942600,5sleep31233399cyclictest10:20:173
23882580,4sleep31233399cyclictest12:25:173
136991560,1ptp4l401ktimersoftd/307:37:523
136991540,0ptp4l401ktimersoftd/310:36:383
12331995412,40cyclictest1975-21kworker/1:210:35:271
136991530,1ptp4l401ktimersoftd/307:47:473
12332995310,4cyclictest33-21ksoftirqd/212:20:152
12332995220,4cyclictest33-21ksoftirqd/207:20:002
1233199523,11cyclictest7321-21/usr/sbin/munin10:20:181
12331995212,5cyclictest25-21ksoftirqd/108:12:211
12331995211,6cyclictest25-21ksoftirqd/112:18:441
12331995111,5cyclictest25-21ksoftirqd/111:26:371
12331995110,5cyclictest25-21ksoftirqd/111:55:541
12331995110,5cyclictest25-21ksoftirqd/111:14:101
12331995110,5cyclictest25-21ksoftirqd/111:14:101
12332995021,7cyclictest33-21ksoftirqd/207:50:002
12332995012,3cyclictest33-21ksoftirqd/210:00:272
1233199506,8cyclictest6863-21cut12:35:001
1233199506,7cyclictest17136-21sort07:20:011
12331995011,6cyclictest25-21ksoftirqd/109:25:141
12331995011,5cyclictest25-21ksoftirqd/111:54:251
12331995011,5cyclictest25-21ksoftirqd/110:00:481
12331995010,6cyclictest25-21ksoftirqd/111:16:381
12331995010,6cyclictest25-21ksoftirqd/110:52:031
1233299493,3cyclictest121rcu_preempt12:35:142
12332994918,4cyclictest33-21ksoftirqd/211:00:002
1233199499,6cyclictest25-21ksoftirqd/107:31:131
1233199496,7cyclictest1531-21mailstats09:00:231
12331994910,6cyclictest25-21ksoftirqd/109:38:221
1233199490,11cyclictest17237-21sed11:50:011
1233099495,8cyclictest9-21ksoftirqd/010:20:280
12332994822,7cyclictest33-21ksoftirqd/210:30:002
1233199482,11cyclictest4495-21awk11:20:271
1233099485,8cyclictest9-21ksoftirqd/011:20:230
1233099483,6cyclictest9597-21sed11:30:270
1233199479,5cyclictest25-21ksoftirqd/109:48:571
12332994619,4cyclictest33-21ksoftirqd/211:05:162
12332994618,4cyclictest33-21ksoftirqd/210:35:202
1233099468,6cyclictest9-21ksoftirqd/012:25:170
1233099466,6cyclictest9-21ksoftirqd/012:00:250
1233099462,5cyclictest0-21swapper/009:20:140
1233099461,6cyclictest9-21ksoftirqd/009:52:380
12332994517,4cyclictest33-21ksoftirqd/208:55:262
1233199451,11cyclictest26793-21chrt12:09:271
1233199450,11cyclictest24829-21sed09:50:131
1233099455,9cyclictest9-21ksoftirqd/011:45:130
1233099455,5cyclictest9-21ksoftirqd/008:40:170
1233099452,6cyclictest9-21ksoftirqd/012:20:230
1233099452,5cyclictest9-21ksoftirqd/008:10:000
12332994426,3cyclictest33-21ksoftirqd/209:05:162
12332994417,7cyclictest33-21ksoftirqd/212:30:002
1233199442,40cyclictest18063-21cron08:30:001
1233199441,11cyclictest11787-21if_err_enp4s008:15:181
1233099445,7cyclictest9-21ksoftirqd/007:11:580
1233099445,3cyclictest9-21ksoftirqd/010:12:590
1233099443,5cyclictest9-21ksoftirqd/012:34:090
1233099443,5cyclictest9-21ksoftirqd/009:25:100
1233099443,5cyclictest9-21ksoftirqd/008:45:150
1233099443,4cyclictest9-21ksoftirqd/012:16:440
1233099442,6cyclictest9-21ksoftirqd/010:34:060
1233099442,5cyclictest9-21ksoftirqd/008:29:380
1233099442,5cyclictest9-21ksoftirqd/008:15:100
1233299439,4cyclictest33-21ksoftirqd/211:35:172
1233299435,8cyclictest33-21ksoftirqd/211:20:012
12332994317,7cyclictest33-21ksoftirqd/210:10:312
12332994315,4cyclictest33-21ksoftirqd/210:40:262
12332994311,8cyclictest33-21ksoftirqd/209:25:002
12332994311,6cyclictest33-21ksoftirqd/208:50:002
1233199433,19cyclictest25480-21meminfo07:35:201
1233099437,2cyclictest9-21ksoftirqd/009:48:370
1233099435,7cyclictest9-21ksoftirqd/011:37:070
1233099435,5cyclictest9-21ksoftirqd/009:05:180
1233099435,5cyclictest9-21ksoftirqd/008:30:150
1233099435,2cyclictest9-21ksoftirqd/009:35:190
1233099434,8cyclictest9-21ksoftirqd/011:40:200
1233099434,3cyclictest9-21ksoftirqd/009:32:580
1233099434,3cyclictest9-21ksoftirqd/007:57:070
1233099433,5cyclictest9-21ksoftirqd/012:10:580
1233099433,5cyclictest9-21ksoftirqd/012:10:580
1233099433,5cyclictest9-21ksoftirqd/011:00:270
1233099433,5cyclictest9-21ksoftirqd/007:17:570
1233099432,6cyclictest9-21ksoftirqd/008:01:540
1233099432,5cyclictest9-21ksoftirqd/012:06:370
1233099432,5cyclictest9-21ksoftirqd/010:27:320
1233099432,5cyclictest9-21ksoftirqd/009:40:470
1233099432,5cyclictest9-21ksoftirqd/007:43:260
1233099432,5cyclictest9-21ksoftirqd/007:31:410
1233099431,6cyclictest9-21ksoftirqd/010:55:140
136991420,0ptp4l401ktimersoftd/312:15:173
136991420,0ptp4l401ktimersoftd/310:55:303
136991420,0ptp4l401ktimersoftd/310:30:133
1233299429,4cyclictest33-21ksoftirqd/212:00:152
12332994219,3cyclictest33-21ksoftirqd/208:20:262
12332994214,4cyclictest33-21ksoftirqd/209:25:012
12332994213,6cyclictest33-21ksoftirqd/207:54:592
12332994213,4cyclictest33-21ksoftirqd/209:55:142
12332994211,6cyclictest33-21ksoftirqd/211:25:212
12332994210,5cyclictest33-21ksoftirqd/208:40:002
1233299420,3cyclictest121rcu_preempt09:03:282
1233199421,12cyclictest7969-21/usr/sbin/munin11:30:131
1233199421,12cyclictest18661-21df_abs08:30:141
1233099426,2cyclictest9-21ksoftirqd/011:10:180
1233099426,2cyclictest9-21ksoftirqd/011:10:180
1233099425,4cyclictest9-21ksoftirqd/012:39:080
1233099425,11cyclictest9-21ksoftirqd/010:35:150
1233099423,5cyclictest9-21ksoftirqd/011:25:170
1233099423,5cyclictest9-21ksoftirqd/007:24:270
1233099422,9cyclictest9-21ksoftirqd/010:05:190
1233099422,5cyclictest9375-21runrttasks09:18:160
1233099422,5cyclictest9-21ksoftirqd/009:04:160
1233099422,5cyclictest9-21ksoftirqd/007:25:510
1233099421,7cyclictest9-21ksoftirqd/008:11:410
1233099421,6cyclictest9-21ksoftirqd/008:35:120
136991410,0ptp4l401ktimersoftd/310:13:403
1233299418,6cyclictest33-21ksoftirqd/207:40:012
1233299418,4cyclictest33-21ksoftirqd/209:50:162
1233299418,4cyclictest33-21ksoftirqd/208:15:172
1233299413,6cyclictest33-21ksoftirqd/208:25:122
1233299412,6cyclictest33-21ksoftirqd/210:45:162
1233299412,6cyclictest33-21ksoftirqd/210:15:132
12332994115,7cyclictest33-21ksoftirqd/212:10:012
12332994112,7cyclictest33-21ksoftirqd/211:40:252
12332994111,4cyclictest33-21ksoftirqd/209:15:142
1233199415,6cyclictest30396-21cstates08:55:171
1233099416,5cyclictest9-21ksoftirqd/010:15:170
1233099414,5cyclictest9-21ksoftirqd/009:55:180
1233099412,5cyclictest9-21ksoftirqd/010:00:160
1233299406,5cyclictest33-21ksoftirqd/211:10:122
1233299406,5cyclictest33-21ksoftirqd/211:10:122
1233299403,5cyclictest33-21ksoftirqd/210:50:182
12332994030,3cyclictest33-21ksoftirqd/208:44:412
12332994028,9cyclictest33-21ksoftirqd/208:03:152
1233299402,6cyclictest33-21ksoftirqd/211:00:222
12332994015,3cyclictest33-21ksoftirqd/212:31:002
12332994014,8cyclictest33-21ksoftirqd/209:10:162
12332994013,7cyclictest33-21ksoftirqd/211:55:162
12332994011,7cyclictest33-21ksoftirqd/209:40:152
12332994010,3cyclictest33-21ksoftirqd/207:10:192
1233199408,6cyclictest25-21ksoftirqd/107:25:271
1233099404,8cyclictest9-21ksoftirqd/011:55:020
1233099403,4cyclictest9-21ksoftirqd/008:20:270
1233099400,6cyclictest9-21ksoftirqd/008:55:200
1233299399,3cyclictest33-21ksoftirqd/211:20:012
1233299394,4cyclictest33-21ksoftirqd/207:30:132
12332993915,6cyclictest33-21ksoftirqd/211:30:142
12332993913,7cyclictest33-21ksoftirqd/209:30:212
12332993911,7cyclictest33-21ksoftirqd/212:15:262
12332993911,3cyclictest33-21ksoftirqd/210:05:202
12332993910,3cyclictest33-21ksoftirqd/208:10:242
1233199391,7cyclictest20024-21fw_packets09:40:151
1233099395,6cyclictest9-21ksoftirqd/008:54:440
1233099395,5cyclictest9-21ksoftirqd/011:15:240
1233099395,10cyclictest9-21ksoftirqd/007:45:230
1233099393,3cyclictest9-21ksoftirqd/011:53:590
1233099390,5cyclictest9-21ksoftirqd/009:10:170
1233299387,2cyclictest33-21ksoftirqd/208:05:172
1233299383,5cyclictest33-21ksoftirqd/207:40:182
12332993833,3cyclictest33-21ksoftirqd/212:15:002
12332993833,3cyclictest33-21ksoftirqd/212:15:002
12332993812,6cyclictest33-21ksoftirqd/207:20:192
12332993811,7cyclictest33-21ksoftirqd/211:45:222
12332993810,7cyclictest33-21ksoftirqd/208:50:182
1233199387,5cyclictest9340-21sh10:25:161
1233199386,6cyclictest25-21ksoftirqd/108:24:291
1233199384,4cyclictest25-21ksoftirqd/111:40:061
1233199380,11cyclictest23809-21which10:55:191
1233099386,6cyclictest9-21ksoftirqd/007:50:150
1233099382,5cyclictest9-21ksoftirqd/010:46:410
12333993731,4cyclictest41-21ksoftirqd/311:22:153
1233299379,10cyclictest33-21ksoftirqd/210:20:142
12332993732,3cyclictest33-21ksoftirqd/210:30:132
12332993713,7cyclictest33-21ksoftirqd/207:26:582
1233199371,11cyclictest223-21systemd-journal11:05:081
1233099375,5cyclictest9-21ksoftirqd/010:40:180
1233099374,2cyclictest9-21ksoftirqd/011:05:270
136991360,0ptp4l401ktimersoftd/311:35:223
136991360,0ptp4l401ktimersoftd/311:15:313
12333993630,4cyclictest41-21ksoftirqd/309:16:473
1233299366,4cyclictest33-21ksoftirqd/207:55:212
12332993626,3cyclictest33-21ksoftirqd/209:35:232
1233299361,6cyclictest33-21ksoftirqd/211:50:302
12332993612,7cyclictest33-21ksoftirqd/209:45:192
1233199365,5cyclictest25-21ksoftirqd/109:05:171
1233199364,4cyclictest25-21ksoftirqd/110:12:251
12331993629,4cyclictest25-21ksoftirqd/108:40:111
12331993628,5cyclictest25-21ksoftirqd/110:15:311
1233199362,6cyclictest25-21ksoftirqd/108:45:131
1233199361,10cyclictest1226-21chrt07:54:291
1233099366,5cyclictest9-21ksoftirqd/010:50:150
1233099365,2cyclictest9-21ksoftirqd/007:35:140
12333993530,3cyclictest41-21ksoftirqd/311:10:093
12333993530,3cyclictest41-21ksoftirqd/311:10:093
12333993530,3cyclictest41-21ksoftirqd/310:20:003
12333993529,4cyclictest41-21ksoftirqd/312:09:213
12333993529,4cyclictest41-21ksoftirqd/311:06:143
12333993529,4cyclictest41-21ksoftirqd/308:31:093
12333993529,4cyclictest41-21ksoftirqd/308:07:553
12333993529,4cyclictest41-21ksoftirqd/307:31:443
12333993529,4cyclictest41-21ksoftirqd/307:28:073
12332993530,3cyclictest33-21ksoftirqd/208:34:592
1233199351,11cyclictest1313-21chrt12:21:501
136991340,0ptp4l401ktimersoftd/308:55:303
12333993429,3cyclictest41-21ksoftirqd/309:29:473
12333993428,4cyclictest41-21ksoftirqd/312:23:133
12333993428,4cyclictest41-21ksoftirqd/311:45:103
12333993428,4cyclictest41-21ksoftirqd/311:04:183
12333993428,4cyclictest41-21ksoftirqd/309:32:113
12333993428,4cyclictest41-21ksoftirqd/309:20:523
12333993428,4cyclictest41-21ksoftirqd/308:42:453
12333993428,3cyclictest41-21ksoftirqd/307:20:003
12331993428,4cyclictest25-21ksoftirqd/111:01:271
1233199341,7cyclictest0-21swapper/109:15:261
1233199340,11cyclictest7363-21kernelversion08:05:191
12333993328,3cyclictest41-21ksoftirqd/310:07:143
12333993328,3cyclictest41-21ksoftirqd/308:35:103
12333993328,3cyclictest41-21ksoftirqd/308:29:503
12333993327,4cyclictest41-21ksoftirqd/312:32:363
12333993327,4cyclictest41-21ksoftirqd/312:02:193
12333993327,4cyclictest41-21ksoftirqd/309:54:263
12333993327,4cyclictest41-21ksoftirqd/309:42:303
12333993327,4cyclictest41-21ksoftirqd/309:06:123
12331993327,4cyclictest25-21ksoftirqd/111:35:281
12331993327,4cyclictest25-21ksoftirqd/108:36:301
12331993327,4cyclictest25-21ksoftirqd/107:58:031
1233199332,4cyclictest25-21ksoftirqd/109:10:251
1233199332,28cyclictest1975-21kworker/1:210:30:151
136991320,0ptp4l401ktimersoftd/309:55:133
12333993227,3cyclictest41-21ksoftirqd/310:46:083
12333993227,3cyclictest41-21ksoftirqd/309:35:493
12333993226,4cyclictest41-21ksoftirqd/311:41:573
12333993226,4cyclictest41-21ksoftirqd/311:28:453
12333993226,4cyclictest41-21ksoftirqd/309:48:323
12333993226,4cyclictest41-21ksoftirqd/309:12:213
12333993226,4cyclictest41-21ksoftirqd/308:23:193
12333993226,4cyclictest41-21ksoftirqd/308:15:533
12333993226,4cyclictest41-21ksoftirqd/308:03:013
12333993226,4cyclictest41-21ksoftirqd/307:51:073
12333993226,4cyclictest41-21ksoftirqd/307:14:203
12333993225,5cyclictest41-21ksoftirqd/308:54:443
1233199325,7cyclictest25-21ksoftirqd/110:09:561
1233199324,5cyclictest223-21systemd-journal09:58:381
12331993217,7cyclictest1975-21kworker/1:210:45:271
136991310,0ptp4l401ktimersoftd/310:52:573
12333993125,4cyclictest41-21ksoftirqd/311:50:473
12333993125,4cyclictest41-21ksoftirqd/309:00:543
12333993125,4cyclictest41-21ksoftirqd/308:14:133
12331993125,4cyclictest25-21ksoftirqd/112:40:001
1233199312,4cyclictest25-21ksoftirqd/112:29:451
1233199311,11cyclictest15218-21fschecks_time09:30:181
12333993025,4cyclictest41-21ksoftirqd/310:04:313
12333993025,3cyclictest41-21ksoftirqd/308:47:153
12333993024,4cyclictest41-21ksoftirqd/311:56:533
12333993023,5cyclictest41-21ksoftirqd/307:20:293
12331993025,3cyclictest25-21ksoftirqd/109:21:291
12331993024,4cyclictest25-21ksoftirqd/108:02:081
1233199292,16cyclictest14708-21taskset07:15:021
1233199291,17cyclictest28337-21ls07:40:271
136991280,0ptp4l401ktimersoftd/307:43:273
12333992821,5cyclictest41-21ksoftirqd/307:57:573
1233199284,4cyclictest25-21ksoftirqd/108:53:301
12331992823,3cyclictest25-21ksoftirqd/112:14:381
12331992823,3cyclictest25-21ksoftirqd/112:14:381
1233199282,11cyclictest24220-21taskset12:01:531
12331992811,6cyclictest25-21ksoftirqd/107:47:571
12333992621,3cyclictest41-21ksoftirqd/310:41:233
12333992621,3cyclictest41-21ksoftirqd/310:25:203
12333992620,4cyclictest41-21ksoftirqd/312:39:383
12331992320,2cyclictest25-21ksoftirqd/110:40:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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