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2025-12-17 - 17:45
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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 792 highest latencies:
System rackdslot1.osadl.org (updated Wed Dec 17, 2025 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1186021810,4sleep10-21swapper/107:05:311
205812780,5sleep20-21swapper/208:35:142
165882750,6sleep21310399cyclictest09:35:202
13102997036,4cyclictest25-21ksoftirqd/112:29:591
13102996935,4cyclictest25-21ksoftirqd/108:09:591
13102996829,8cyclictest25-21ksoftirqd/109:54:591
134491660,4ptp4l0-21swapper/308:03:103
180682650,3sleep10-21swapper/109:40:121
134491610,12ptp4l0-21swapper/307:05:223
13102996032,7cyclictest25-21ksoftirqd/111:25:111
13102996032,3cyclictest25-21ksoftirqd/112:05:191
13102996032,3cyclictest25-21ksoftirqd/112:05:181
13102996032,3cyclictest25-21ksoftirqd/111:25:001
13102996030,7cyclictest25-21ksoftirqd/108:35:001
13102996030,4cyclictest25-21ksoftirqd/110:32:141
13102996030,4cyclictest25-21ksoftirqd/107:15:161
13102996025,7cyclictest25-21ksoftirqd/109:00:131
13102996025,7cyclictest25-21ksoftirqd/109:00:121
13102995932,6cyclictest25-21ksoftirqd/107:35:131
13102995931,6cyclictest25-21ksoftirqd/107:40:141
13102995928,4cyclictest25-21ksoftirqd/107:50:251
13102995925,4cyclictest25-21ksoftirqd/112:24:591
13102995921,7cyclictest25-21ksoftirqd/110:35:231
134491580,3ptp4l0-21swapper/112:32:581
134491580,3ptp4l0-21swapper/109:20:111
13102995830,7cyclictest25-21ksoftirqd/112:10:251
13102995828,4cyclictest25-21ksoftirqd/109:58:491
13102995828,4cyclictest25-21ksoftirqd/109:45:171
13102995826,7cyclictest25-21ksoftirqd/111:55:251
13102995826,6cyclictest25-21ksoftirqd/110:58:221
13102995824,6cyclictest25-21ksoftirqd/107:45:241
13102995822,7cyclictest25-21ksoftirqd/110:10:231
161252570,4sleep30-21swapper/308:25:173
134491570,4ptp4l0-21swapper/211:52:342
134491570,3ptp4l0-21swapper/011:40:130
13102995725,7cyclictest25-21ksoftirqd/111:15:001
13102995725,6cyclictest25-21ksoftirqd/111:05:251
13102995722,6cyclictest25-21ksoftirqd/109:15:221
134491560,4ptp4l0-21swapper/108:44:221
134491560,4ptp4l0-21swapper/010:10:230
134491560,3ptp4l26803-1kworker/0:2H09:05:040
134491560,3ptp4l0-21swapper/312:10:063
134491560,3ptp4l0-21swapper/208:25:132
134491560,3ptp4l0-21swapper/007:30:130
13102995629,7cyclictest25-21ksoftirqd/108:25:111
13102995627,7cyclictest25-21ksoftirqd/111:00:261
13102995621,7cyclictest25-21ksoftirqd/107:10:241
13102995621,4cyclictest25-21ksoftirqd/109:34:291
134491550,4ptp4l0-21swapper/307:30:553
134491550,4ptp4l0-21swapper/010:30:020
134491550,4ptp4l0-21swapper/009:34:580
134491550,3ptp4l0-21swapper/208:30:242
134491550,19ptp4l0-21swapper/011:22:590
13102995527,4cyclictest25-21ksoftirqd/111:50:161
134491540,3ptp4l0-21swapper/211:57:472
13102995419,7cyclictest25-21ksoftirqd/107:25:171
134491530,3ptp4l0-21swapper/209:30:292
1310299536,3cyclictest25-21ksoftirqd/111:47:181
13102995322,3cyclictest25-21ksoftirqd/107:30:241
13102995321,3cyclictest25-21ksoftirqd/112:15:191
13102995318,4cyclictest25-21ksoftirqd/108:19:591
113612530,5sleep20-21swapper/207:05:282
134491520,4ptp4l0-21swapper/312:34:233
134491520,4ptp4l0-21swapper/311:10:533
134491520,3ptp4l0-21swapper/311:00:313
134491520,14ptp4l12412-21meminfo11:45:183
134491510,4ptp4l0-21swapper/211:19:062
134491510,4ptp4l0-21swapper/208:52:412
134491500,4ptp4l0-21swapper/310:43:163
134491500,4ptp4l0-21swapper/109:07:171
134491500,3ptp4l0-21swapper/311:54:223
134491500,3ptp4l0-21swapper/110:19:361
134491500,13ptp4l12272-21sed07:05:350
1310299503,2cyclictest25-21ksoftirqd/107:20:241
13102995022,10cyclictest25-21ksoftirqd/108:50:261
13102995017,8cyclictest25-21ksoftirqd/111:30:191
13102995017,7cyclictest25-21ksoftirqd/110:50:011
1310299501,6cyclictest25-21ksoftirqd/112:00:171
134491490,4ptp4l0-21swapper/311:28:213
134491490,4ptp4l0-21swapper/308:44:463
134491490,4ptp4l0-21swapper/208:45:482
134491490,4ptp4l0-21swapper/208:20:012
134491490,4ptp4l0-21swapper/207:48:182
134491490,4ptp4l0-21swapper/108:55:331
134491490,3ptp4l0-21swapper/008:24:040
13102994924,6cyclictest25-21ksoftirqd/111:35:281
13102994923,2cyclictest25-21ksoftirqd/108:48:501
204642480,5sleep20-21swapper/212:05:002
134491480,4ptp4l0-21swapper/310:14:203
134491480,4ptp4l0-21swapper/309:46:583
134491480,4ptp4l0-21swapper/212:12:332
134491480,3ptp4l0-21swapper/312:02:553
134491480,3ptp4l0-21swapper/307:38:443
134491480,3ptp4l0-21swapper/209:46:372
134491480,3ptp4l0-21swapper/108:00:041
13102994833,4cyclictest25-21ksoftirqd/110:25:201
13102994825,7cyclictest25-21ksoftirqd/111:20:011
13102994825,3cyclictest25-21ksoftirqd/110:03:071
1310299481,9cyclictest25-21ksoftirqd/108:10:161
46198470,5rtkit-daemon0-21swapper/207:55:122
134491470,4ptp4l0-21swapper/312:39:343
134491470,4ptp4l0-21swapper/312:16:013
134491470,4ptp4l0-21swapper/309:57:153
134491470,4ptp4l0-21swapper/309:26:523
134491470,3ptp4l0-21swapper/207:16:462
134491470,3ptp4l0-21swapper/109:13:151
1310299473,3cyclictest25-21ksoftirqd/107:55:201
13102994725,3cyclictest25-21ksoftirqd/109:37:401
1310299471,3cyclictest9540-21fschecks_time11:40:151
134491460,4ptp4l0-21swapper/312:07:293
134491460,4ptp4l0-21swapper/312:07:293
134491460,4ptp4l0-21swapper/311:09:483
134491460,4ptp4l0-21swapper/108:17:581
1310299463,5cyclictest25-21ksoftirqd/110:40:271
13102994629,4cyclictest25-21ksoftirqd/109:25:261
13102994616,7cyclictest25-21ksoftirqd/112:35:201
134491450,4ptp4l0-21swapper/309:44:193
134491450,3ptp4l0-21swapper/307:20:573
1310299452,3cyclictest121rcu_preempt10:50:001
134491440,8ptp4l0-21swapper/207:27:552
134491440,4ptp4l0-21swapper/310:07:533
134491440,4ptp4l0-21swapper/008:26:500
134491440,3ptp4l0-21swapper/311:42:403
134491440,3ptp4l0-21swapper/307:54:213
134491440,10ptp4l0-21swapper/210:25:112
1310299444,5cyclictest25-21ksoftirqd/108:35:251
13102994410,7cyclictest25-21ksoftirqd/110:20:151
1310299440,2cyclictest121rcu_preempt10:10:001
134491430,9ptp4l0-21swapper/208:43:392
134491430,6ptp4l0-21swapper/307:10:193
134491430,6ptp4l0-21swapper/007:54:520
134491430,5ptp4l0-21swapper/212:30:122
134491430,4ptp4l20684-21apt-get12:05:120
134491430,4ptp4l20684-21apt-get12:05:120
134491430,4ptp4l16724-21ls10:45:190
134491430,3ptp4l0-21swapper/307:41:443
134491430,2ptp4l0-21swapper/010:57:570
13103994332,9cyclictest33-21ksoftirqd/208:11:202
134491420,9ptp4l9-21ksoftirqd/010:54:010
134491420,9ptp4l9-21ksoftirqd/008:41:010
134491420,9ptp4l0-21swapper/212:05:142
134491420,9ptp4l0-21swapper/212:05:142
134491420,9ptp4l0-21swapper/209:03:252
134491420,9ptp4l0-21swapper/209:03:252
134491420,9ptp4l0-21swapper/208:56:102
134491420,9ptp4l0-21swapper/011:48:470
134491420,9ptp4l0-21swapper/007:24:360
134491420,8ptp4l0-21swapper/009:20:090
134491420,5ptp4l14714-21meminfo11:50:180
134491420,5ptp4l0-21swapper/307:55:213
134491420,5ptp4l0-21swapper/007:10:280
134491420,4ptp4l29949-21apt-get12:25:123
134491420,4ptp4l23177-21/usr/sbin/munin12:10:110
134491420,4ptp4l0-21swapper/311:16:373
13103994235,4cyclictest33-21ksoftirqd/210:50:002
134491410,9ptp4l0-21swapper/212:26:572
134491410,9ptp4l0-21swapper/210:52:272
134491410,9ptp4l0-21swapper/207:53:092
134491410,8ptp4l0-21swapper/208:18:152
134491410,5ptp4l0-21swapper/309:35:113
134491410,4ptp4l3976-21apt-get10:20:112
134491410,4ptp4l11464-21apt-get11:45:112
134491410,4ptp4l0-21swapper/310:02:253
134491410,4ptp4l0-21swapper/211:21:072
134491410,4ptp4l0-21swapper/009:03:520
134491410,4ptp4l0-21swapper/009:03:520
13103994136,3cyclictest33-21ksoftirqd/212:40:012
134491400,5ptp4l1310199cyclictest07:40:190
134491400,5ptp4l0-21swapper/308:35:223
134491400,5ptp4l0-21swapper/011:55:220
134491400,4ptp4l24159-21ntp_states11:00:220
134491400,4ptp4l20497-21df_inode08:35:120
134491400,4ptp4l11189-21hddtemp_smartct08:15:150
134491400,4ptp4l0-21swapper/311:55:313
134491400,4ptp4l0-21swapper/308:30:113
134491400,4ptp4l0-21swapper/008:59:400
134491400,4ptp4l0-21swapper/008:05:190
134491400,4ptp4l0-21swapper/007:35:260
134491400,3ptp4l24642-21apt-get07:35:122
134491400,3ptp4l15637-21df07:15:120
134491400,3ptp4l13238-21apt-get09:30:103
134491400,3ptp4l13142-21apt-get07:10:192
134491400,3ptp4l0-21swapper/312:24:213
134491400,3ptp4l0-21swapper/209:26:562
134491390,6ptp4l0-21swapper/210:44:262
134491390,5ptp4l28716-21grep11:10:192
134491390,5ptp4l1310199cyclictest11:10:160
134491390,5ptp4l0-21swapper/011:25:210
134491390,5ptp4l0-21swapper/010:05:230
134491390,4ptp4l6487-21sshd11:33:360
134491390,4ptp4l27160-21apt-get08:50:120
134491390,4ptp4l2318-21gnome-shell09:19:573
134491390,4ptp4l2182-21iostat_ios10:15:180
134491390,4ptp4l21062-21ls07:25:200
134491390,4ptp4l18283-21hddtemp_smartct09:40:140
134491390,4ptp4l0-21swapper/309:50:193
134491390,4ptp4l0-21swapper/308:05:263
134491390,4ptp4l0-21swapper/307:47:493
134491390,4ptp4l0-21swapper/211:25:092
134491390,4ptp4l0-21swapper/210:37:512
134491390,4ptp4l0-21swapper/210:15:152
134491390,4ptp4l0-21swapper/210:14:192
134491390,4ptp4l0-21swapper/210:01:322
134491390,4ptp4l0-21swapper/209:09:352
134491390,4ptp4l0-21swapper/207:30:142
134491390,4ptp4l0-21swapper/012:30:060
134491390,4ptp4l0-21swapper/011:35:410
134491390,4ptp4l0-21swapper/011:15:110
134491390,4ptp4l0-21swapper/010:25:220
134491390,4ptp4l0-21swapper/010:21:250
134491390,4ptp4l0-21swapper/010:01:060
134491390,4ptp4l0-21swapper/009:56:570
134491390,4ptp4l0-21swapper/009:52:060
134491390,4ptp4l0-21swapper/008:47:160
134491390,4ptp4l0-21swapper/008:03:570
134491390,4ptp4l0-21swapper/007:55:300
134491390,4ptp4l0-21swapper/007:47:460
134491390,3ptp4l28211-21iostat12:20:150
134491390,3ptp4l27647-21apt-get12:20:102
134491390,3ptp4l25274-21apt-get12:15:090
134491390,3ptp4l23048-21apt-get11:00:112
134491390,3ptp4l22444-21apt-get09:50:102
134491390,3ptp4l2145-21apt-get12:35:130
134491390,3ptp4l18594-21df12:00:140
134491390,3ptp4l15968-21hddtemp_smartct09:35:150
134491390,3ptp4l0-21swapper/208:08:042
134491380,5ptp4l0-21swapper/310:20:113
134491380,5ptp4l0-21swapper/308:20:213
134491380,4ptp4l29736-21df_abs08:55:153
134491380,4ptp4l11362-21fw_packets09:25:160
134491380,4ptp4l0-21swapper/311:39:043
134491380,4ptp4l0-21swapper/311:24:163
134491380,4ptp4l0-21swapper/310:54:193
134491380,4ptp4l0-21swapper/310:47:183
134491380,4ptp4l0-21swapper/310:15:213
134491380,4ptp4l0-21swapper/309:09:033
134491380,4ptp4l0-21swapper/308:16:063
134491380,4ptp4l0-21swapper/212:16:472
134491380,4ptp4l0-21swapper/211:41:472
134491380,4ptp4l0-21swapper/211:33:062
134491380,4ptp4l0-21swapper/211:05:272
134491380,4ptp4l0-21swapper/210:55:332
134491380,4ptp4l0-21swapper/210:31:542
134491380,4ptp4l0-21swapper/209:55:222
134491380,4ptp4l0-21swapper/209:42:412
134491380,4ptp4l0-21swapper/209:21:262
134491380,4ptp4l0-21swapper/209:15:522
134491380,4ptp4l0-21swapper/209:11:242
134491380,4ptp4l0-21swapper/207:20:052
134491380,4ptp4l0-21swapper/012:25:200
134491380,4ptp4l0-21swapper/011:08:210
134491380,4ptp4l0-21swapper/010:41:550
134491380,4ptp4l0-21swapper/010:37:080
134491380,4ptp4l0-21swapper/009:15:360
134491380,4ptp4l0-21swapper/008:30:150
134491380,4ptp4l0-21swapper/008:12:460
134491380,3ptp4l30359-21meminfo10:05:192
134491380,3ptp4l28352-21python07:40:242
134491380,3ptp4l20362-21df09:45:130
134491380,3ptp4l0-21swapper/311:33:243
134491380,3ptp4l0-21swapper/307:27:493
13103993830,5cyclictest17590-21kworker/2:211:35:132
134491370,4ptp4l0-21swapper/310:36:573
134491370,4ptp4l0-21swapper/310:25:113
134491370,4ptp4l0-21swapper/309:23:053
134491370,4ptp4l0-21swapper/308:11:403
134491370,4ptp4l0-21swapper/307:17:133
134491370,4ptp4l0-21swapper/208:01:132
134491370,4ptp4l0-21swapper/009:10:240
134491370,3ptp4l25496-21sed08:45:183
134491370,3ptp4l0-21swapper/309:10:213
134491370,3ptp4l0-21swapper/308:50:203
134491360,4ptp4l0-21swapper/310:31:553
134491360,4ptp4l0-21swapper/309:00:213
134491360,4ptp4l0-21swapper/309:00:213
134491350,3ptp4l0-21swapper/310:55:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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