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2026-06-14 - 18:12
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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 rackdslot1.osadl.org (updated Sun Jun 14, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2478621630,3sleep31389799cyclictest08:40:233
1389699771,2cyclictest0-21swapper/210:45:302
1389699771,2cyclictest0-21swapper/210:45:302
1389699702,3cyclictest0-21swapper/210:15:292
1389699701,67cyclictest0-21swapper/211:10:292
280162680,4sleep10-21swapper/109:55:281
1389699622,3cyclictest0-21swapper/209:00:282
134491600,5ptp4l5561-21apt-get11:30:033
134491580,20ptp4l0-21swapper/109:50:201
1389699571,54cyclictest0-21swapper/211:22:292
134491570,7ptp4l25-21ksoftirqd/107:35:151
134491570,4ptp4l0-21swapper/211:30:122
134491570,3ptp4l0-21swapper/307:20:293
134491570,3ptp4l0-21swapper/210:00:012
134491570,3ptp4l0-21swapper/110:05:301
134491570,13ptp4l0-21swapper/112:20:141
22512560,4sleep31389799cyclictest12:30:193
134491560,3ptp4l0-21swapper/209:32:512
134491550,3ptp4l0-21swapper/007:16:010
134491550,3ptp4l0-21swapper/007:16:010
289942540,2sleep128990-21phc2sys-jitter07:40:251
134491540,5ptp4l0-21swapper/110:40:291
134491540,4ptp4l0-21swapper/107:31:221
134491540,4ptp4l0-21swapper/011:53:560
134491540,3ptp4l0-21swapper/110:54:461
134491530,4ptp4l0-21swapper/108:54:031
134491530,4ptp4l0-21swapper/011:37:110
134491530,3ptp4l0-21swapper/010:49:350
134491530,3ptp4l0-21swapper/010:49:340
192412520,4sleep20-21swapper/208:30:162
134491520,4ptp4l0-21swapper/011:58:250
134491520,3ptp4l17579-21cat08:25:211
134491520,3ptp4l0-21swapper/009:56:410
134491520,12ptp4l0-21swapper/311:51:113
134491520,11ptp4l0-21swapper/209:40:152
134491510,4ptp4l0-21swapper/311:04:003
134491510,4ptp4l0-21swapper/012:26:590
134491510,4ptp4l0-21swapper/012:09:340
134491510,4ptp4l0-21swapper/012:09:340
134491510,4ptp4l0-21swapper/008:59:070
134491510,3ptp4l0-21swapper/109:46:261
134491510,3ptp4l0-21swapper/008:51:000
134491510,2ptp4l0-21swapper/109:04:501
134491500,4ptp4l0-21swapper/311:21:343
134491500,4ptp4l0-21swapper/308:46:253
134491500,4ptp4l0-21swapper/308:07:263
134491500,4ptp4l0-21swapper/112:33:501
134491500,4ptp4l0-21swapper/010:08:300
134491500,3ptp4l0-21swapper/111:29:101
134491500,3ptp4l0-21swapper/107:17:291
134491500,3ptp4l0-21swapper/107:17:291
134491500,3ptp4l0-21swapper/010:52:130
1389699492,46cyclictest0-21swapper/209:14:082
134491490,4ptp4l0-21swapper/311:39:143
134491490,4ptp4l0-21swapper/310:39:143
134491490,4ptp4l0-21swapper/308:26:073
134491490,4ptp4l0-21swapper/112:02:481
134491490,3ptp4l0-21swapper/011:02:350
1389699480,47cyclictest26983-21kworker/2:010:31:482
134491480,4ptp4l0-21swapper/109:25:021
134491480,4ptp4l0-21swapper/010:10:190
134491480,4ptp4l0-21swapper/010:00:050
134491480,4ptp4l0-21swapper/009:33:060
134491480,4ptp4l0-21swapper/008:16:590
134491470,4ptp4l0-21swapper/108:08:371
134491470,4ptp4l0-21swapper/007:06:340
134491470,3ptp4l7994-21/usr/sbin/munin09:15:201
134491470,3ptp4l0-21swapper/107:55:191
134491470,3ptp4l0-21swapper/012:20:300
134491460,5ptp4l25489-21apt-get07:35:122
134491460,4ptp4l0-21swapper/309:35:103
134491460,4ptp4l0-21swapper/111:14:081
134491460,4ptp4l0-21swapper/111:06:281
134491460,4ptp4l0-21swapper/108:42:271
134491460,4ptp4l0-21swapper/108:19:541
134491460,4ptp4l0-21swapper/007:49:500
134491460,3ptp4l0-21swapper/107:27:361
134491450,9ptp4l0-21swapper/008:11:180
134491450,4ptp4l13923-21apt-get07:10:112
1389699441,42cyclictest0-21swapper/210:39:292
134491440,9ptp4l0-21swapper/209:58:182
134491440,9ptp4l0-21swapper/108:12:041
134491440,5ptp4l24189-21apt-get09:50:130
134491440,5ptp4l0-21swapper/308:20:113
134491440,4ptp4l19690-21apt-get10:50:123
134491440,4ptp4l0-21swapper/112:36:291
134491440,3ptp4l0-21swapper/207:54:282
134491440,10ptp4l0-21swapper/307:48:163
1389799430,5cyclictest134691getstats11:50:003
13894994338,3cyclictest9-21ksoftirqd/007:14:590
134491430,9ptp4l0-21swapper/211:16:062
134491430,8ptp4l0-21swapper/211:09:182
134491430,7ptp4l1301-21snmpd11:24:090
134491430,5ptp4l2121-21ntp_states10:10:241
134491430,5ptp4l0-21swapper/011:05:150
134491430,4ptp4l0-21swapper/009:09:370
134491430,3ptp4l0-21swapper/308:38:213
134491430,3ptp4l0-21swapper/111:39:431
134491430,1ptp4l0-21swapper/207:32:422
134491430,10ptp4l0-21swapper/208:00:462
13897994237,3cyclictest41-21ksoftirqd/312:05:003
13897994237,3cyclictest41-21ksoftirqd/310:34:593
134691420,11getstats0-21swapper/107:24:131
134491420,9ptp4l0-21swapper/212:34:472
134491420,8ptp4l0-21swapper/210:29:322
134491420,8ptp4l0-21swapper/210:06:552
134491420,8ptp4l0-21swapper/011:12:260
134491420,5ptp4l0-21swapper/309:30:123
134491420,5ptp4l0-21swapper/211:55:122
134491420,5ptp4l0-21swapper/209:35:112
134491420,5ptp4l0-21swapper/111:55:201
134491420,5ptp4l0-21swapper/110:30:241
134491420,5ptp4l0-21swapper/007:55:190
134491420,4ptp4l7752-21iostat_ios08:05:210
134491420,4ptp4l31220-21ntp_states07:45:232
134491420,4ptp4l28425-21apt-get08:50:122
134491420,4ptp4l26169-21users12:10:270
134491420,4ptp4l26128-21apt-get08:45:111
134491420,4ptp4l24663-21diskstats11:00:142
134491420,4ptp4l23482-21ls10:55:270
134491420,4ptp4l13145-21df11:45:141
134491420,4ptp4l0-21swapper/311:08:583
134491420,4ptp4l0-21swapper/310:56:393
134491420,4ptp4l0-21swapper/309:19:513
134491420,4ptp4l0-21swapper/110:27:461
134491420,4ptp4l0-21swapper/011:26:380
134491420,3ptp4l17394-21apt-get10:45:121
134491420,3ptp4l17394-21apt-get10:45:121
46198410,10rtkit-daemon0-21swapper/111:50:091
134691410,10getstats0-21swapper/112:15:461
134491410,8ptp4l0-21swapper/208:58:112
134491410,5ptp4l1389499cyclictest10:40:140
134491410,5ptp4l1301-21snmpd12:00:262
134491410,5ptp4l12166-21timerwakeupswit11:40:270
134491410,5ptp4l0-21swapper/310:00:123
134491410,5ptp4l0-21swapper/208:35:142
134491410,5ptp4l0-21swapper/009:25:130
134491410,4ptp4l5923-21df09:10:141
134491410,4ptp4l4320-21ntp_states09:05:231
134491410,4ptp4l31457-21df11:15:131
134491410,4ptp4l1463-21df_inode11:20:141
134491410,4ptp4l13073-21df_inode10:35:131
134491410,4ptp4l12931-21meminfo08:15:202
134491410,4ptp4l0-21swapper/310:45:163
134491410,4ptp4l0-21swapper/310:45:163
134491410,4ptp4l0-21swapper/212:23:032
134491410,4ptp4l0-21swapper/210:20:112
134491410,4ptp4l0-21swapper/010:39:390
134491410,4ptp4l0-21swapper/010:19:250
134491410,4ptp4l0-21swapper/008:35:240
134491410,4ptp4l0-21swapper/008:30:220
134491410,4ptp4l0-21swapper/007:35:500
134491410,4ptp4l0-21swapper/007:26:120
134491410,3ptp4l9687-21apt-get08:10:123
134491410,3ptp4l21202-21apt-get08:35:111
134491410,3ptp4l10327-21apt-get09:20:112
1389699402,2cyclictest0-21swapper/210:55:502
13894994035,3cyclictest9-21ksoftirqd/009:40:000
134691400,11getstats0-21swapper/108:30:211
134491400,5ptp4l0-21swapper/311:10:143
134491400,5ptp4l0-21swapper/210:40:252
134491400,5ptp4l0-21swapper/112:05:141
134491400,5ptp4l0-21swapper/112:05:141
134491400,5ptp4l0-21swapper/012:35:110
134491400,4ptp4l6019-21diskstats09:10:150
134491400,4ptp4l3947-21fw_packets11:25:163
134491400,4ptp4l29191-21irqrtprio08:50:183
134491400,4ptp4l24697-21cstates12:10:131
134491400,4ptp4l24565-21df11:00:131
134491400,4ptp4l1125-21df_inode09:00:130
134491400,4ptp4l0-21swapper/311:55:113
134491400,4ptp4l0-21swapper/310:15:163
134491400,4ptp4l0-21swapper/309:40:113
134491400,4ptp4l0-21swapper/308:55:173
134491400,4ptp4l0-21swapper/308:15:173
134491400,4ptp4l0-21swapper/307:55:273
134491400,4ptp4l0-21swapper/307:39:263
134491400,4ptp4l0-21swapper/307:25:293
134491400,4ptp4l0-21swapper/212:10:052
134491400,4ptp4l0-21swapper/212:06:322
134491400,4ptp4l0-21swapper/212:06:322
134491400,4ptp4l0-21swapper/211:47:542
134491400,4ptp4l0-21swapper/211:37:592
134491400,4ptp4l0-21swapper/211:25:382
134491400,4ptp4l0-21swapper/210:10:082
134491400,4ptp4l0-21swapper/209:48:412
134491400,4ptp4l0-21swapper/209:26:122
134491400,4ptp4l0-21swapper/012:18:130
134491400,4ptp4l0-21swapper/011:15:050
134491400,4ptp4l0-21swapper/010:20:440
134491400,4ptp4l0-21swapper/008:25:160
134491400,4ptp4l0-21swapper/008:00:230
134491400,4ptp4l0-21swapper/007:40:210
134491400,4ptp4l0-21swapper/007:31:040
134491400,3ptp4l9127-21ntp_states09:15:230
134491400,3ptp4l31404-21apt-get12:25:111
134491400,3ptp4l27809-21apt-get07:40:133
134491400,3ptp4l25721-21lsb_release08:43:100
134491400,3ptp4l20112-21ls07:20:272
134491400,3ptp4l10564-21diskstats10:30:120
134491400,3ptp4l0-21swapper/209:16:032
134491400,3ptp4l0-21swapper/207:27:292
134491400,3ptp4l0-21swapper/007:52:550
134491400,10ptp4l0-21swapper/110:59:271
13897993934,3cyclictest41-21ksoftirqd/312:40:003
13897993934,3cyclictest41-21ksoftirqd/309:10:003
134491390,4ptp4l19206-21df_inode08:30:143
134491390,4ptp4l0-21swapper/312:20:013
134491390,4ptp4l0-21swapper/311:18:143
134491390,4ptp4l0-21swapper/310:43:443
134491390,4ptp4l0-21swapper/310:20:173
134491390,4ptp4l0-21swapper/309:51:103
134491390,4ptp4l0-21swapper/309:48:263
134491390,4ptp4l0-21swapper/309:28:183
134491390,4ptp4l0-21swapper/309:20:163
134491390,4ptp4l0-21swapper/309:10:253
134491390,4ptp4l0-21swapper/309:01:393
134491390,4ptp4l0-21swapper/308:00:173
134491390,4ptp4l0-21swapper/307:54:553
134491390,4ptp4l0-21swapper/307:30:193
134491390,4ptp4l0-21swapper/212:35:072
134491390,4ptp4l0-21swapper/211:50:132
134491390,4ptp4l0-21swapper/211:43:332
134491390,4ptp4l0-21swapper/209:05:572
134491390,4ptp4l0-21swapper/208:29:132
134491390,4ptp4l0-21swapper/208:20:212
134491390,4ptp4l0-21swapper/208:07:112
134491390,4ptp4l0-21swapper/207:55:182
134491390,4ptp4l0-21swapper/207:40:522
134491390,4ptp4l0-21swapper/207:17:232
134491390,4ptp4l0-21swapper/207:17:232
134491390,4ptp4l0-21swapper/110:15:241
134491390,4ptp4l0-21swapper/109:40:191
134491390,4ptp4l0-21swapper/109:35:061
134491390,4ptp4l0-21swapper/108:55:181
134491390,4ptp4l0-21swapper/108:00:251
134491390,4ptp4l0-21swapper/107:48:431
134491390,4ptp4l0-21swapper/011:45:110
134491390,4ptp4l0-21swapper/011:30:140
134491390,4ptp4l0-21swapper/010:27:000
134491390,4ptp4l0-21swapper/009:48:450
134491390,4ptp4l0-21swapper/009:41:350
134491390,4ptp4l0-21swapper/009:21:360
134491390,4ptp4l0-21swapper/008:49:040
134491390,4ptp4l0-21swapper/008:20:170
134491390,4ptp4l0-21swapper/007:20:420
134491390,3ptp4l25127-21ls09:50:202
134491390,3ptp4l0-21swapper/310:27:553
134491390,3ptp4l0-21swapper/210:50:532
134491390,3ptp4l0-21swapper/012:02:090
134491390,2ptp4l321ktimersoftd/208:10:142
13897993834,2cyclictest41-21ksoftirqd/312:30:003
134491380,4ptp4l0-21swapper/312:06:463
134491380,4ptp4l0-21swapper/312:06:463
134491380,4ptp4l0-21swapper/310:07:443
134491380,4ptp4l0-21swapper/309:59:263
134491380,4ptp4l0-21swapper/212:25:282
134491380,4ptp4l0-21swapper/208:46:062
134491380,4ptp4l0-21swapper/208:40:372
134491380,4ptp4l0-21swapper/110:20:161
134491380,4ptp4l0-21swapper/109:34:181
134491380,4ptp4l0-21swapper/109:23:341
134491380,4ptp4l0-21swapper/107:13:411
134491380,3ptp4l0-21swapper/311:40:193
134491380,3ptp4l0-21swapper/212:15:042
134491380,3ptp4l0-21swapper/111:30:171
134491380,3ptp4l0-21swapper/110:01:081
134491380,3ptp4l0-21swapper/012:30:170
46198370,2rtkit-daemon460-21rtkit-daemon07:11:183
134491370,4ptp4l0-21swapper/111:40:171
134491370,3ptp4l0-21swapper/312:20:223
134491370,3ptp4l0-21swapper/310:10:183
134491370,3ptp4l0-21swapper/107:50:131
134491360,3ptp4l0-21swapper/108:20:151
134491350,5ptp4l12511-21memory07:05:201
134491350,4ptp4l0-21swapper/307:17:013
134491350,4ptp4l0-21swapper/307:17:013
134491350,3ptp4l0-21swapper/312:11:533
46198280,22rtkit-daemon23864-21apache207:06:253
137891233,13phc2sys11561-21apt-get07:05:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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