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2026-06-29 - 19:40
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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 Mon Jun 29, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71521370,7sleep31245299cyclictest09:00:263
134491690,4ptp4l20721-21ntp_states07:25:211
134491640,3ptp4l31625-21diskstats07:50:131
134491630,16ptp4l10116-21apt-get07:05:113
134491620,3ptp4l29985-21grep11:15:002
12449996229,3cyclictest9-21ksoftirqd/011:35:250
134491590,4ptp4l0-21swapper/212:10:252
134491580,4ptp4l17871-21apt-get08:30:091
134491580,3ptp4l0-21swapper/109:50:201
134491570,4ptp4l9403-21apt-get10:30:121
134491570,4ptp4l0-21swapper/008:25:220
134491570,4ptp4l0-21swapper/008:25:220
134491570,3ptp4l30812-21diskstats12:25:142
134491570,3ptp4l0-21swapper/312:33:013
134491560,3ptp4l0-21swapper/311:35:293
134491560,3ptp4l0-21swapper/207:16:122
134491550,3ptp4l0-21swapper/012:27:560
134491540,4ptp4l0-21swapper/312:20:223
134491540,4ptp4l0-21swapper/212:35:282
134491540,4ptp4l0-21swapper/108:24:341
134491540,3ptp4l0-21swapper/211:17:282
134491540,3ptp4l0-21swapper/112:00:201
134491540,3ptp4l0-21swapper/012:20:170
12449995423,3cyclictest9-21ksoftirqd/009:40:160
134491530,5ptp4l0-21swapper/007:22:410
134491530,4ptp4l0-21swapper/211:51:442
134491530,4ptp4l0-21swapper/110:41:361
134491530,4ptp4l0-21swapper/108:59:221
134491520,7ptp4l20479-21diskstats08:35:161
134491520,3ptp4l0-21swapper/107:20:151
134491520,3ptp4l0-21swapper/008:10:240
134491510,4ptp4l0-21swapper/309:50:593
134491510,3ptp4l0-21swapper/209:15:382
134491510,3ptp4l0-21swapper/207:49:462
134491510,3ptp4l0-21swapper/207:49:462
134491500,4ptp4l0-21swapper/212:30:122
134491500,4ptp4l0-21swapper/210:04:052
134491500,4ptp4l0-21swapper/209:44:532
134491500,4ptp4l0-21swapper/111:31:451
134491500,3ptp4l22265-21ls09:45:262
134491500,3ptp4l0-21swapper/211:45:182
134491500,3ptp4l0-21swapper/110:22:161
134491500,3ptp4l0-21swapper/009:02:050
134491500,3ptp4l0-21swapper/008:00:220
134491500,3ptp4l0-21swapper/007:36:140
134491490,4ptp4l0-21swapper/308:03:073
134491490,4ptp4l0-21swapper/212:15:162
134491490,4ptp4l0-21swapper/212:09:562
134491490,4ptp4l0-21swapper/109:47:181
134491490,4ptp4l0-21swapper/107:14:381
134491490,4ptp4l0-21swapper/012:38:100
134491490,4ptp4l0-21swapper/011:01:460
134491490,3ptp4l0-21swapper/109:29:191
134491490,3ptp4l0-21swapper/008:17:360
134491480,4ptp4l0-21swapper/312:11:443
134491480,4ptp4l0-21swapper/311:52:593
134491480,4ptp4l0-21swapper/211:33:042
134491480,4ptp4l0-21swapper/209:36:572
134491480,4ptp4l0-21swapper/107:38:551
134491480,4ptp4l0-21swapper/011:56:420
134491480,3ptp4l0-21swapper/212:00:112
134491480,3ptp4l0-21swapper/010:05:190
134491480,3ptp4l0-21swapper/009:09:020
134491470,8ptp4l0-21swapper/207:05:122
134491470,4ptp4l0-21swapper/308:35:153
134491470,4ptp4l0-21swapper/211:06:002
134491470,4ptp4l0-21swapper/007:28:100
134491470,3ptp4l1245299cyclictest11:08:003
134491470,3ptp4l0-21swapper/210:24:272
134491470,3ptp4l0-21swapper/111:07:091
134491470,3ptp4l0-21swapper/110:50:221
134491470,3ptp4l0-21swapper/109:30:231
134491470,3ptp4l0-21swapper/011:27:470
134491470,10ptp4l0-21swapper/012:17:420
134491460,5ptp4l14028-21apt-get10:40:132
134491460,4ptp4l0-21swapper/211:55:292
134491460,4ptp4l0-21swapper/010:59:430
134491460,4ptp4l0-21swapper/010:14:400
134491460,3ptp4l0-21swapper/210:17:142
134491460,3ptp4l0-21swapper/010:35:370
134491460,12ptp4l0-21swapper/208:05:012
12452994640,3cyclictest19929-21cut07:25:143
134491450,4ptp4l0-21swapper/208:47:272
134491450,4ptp4l0-21swapper/112:32:471
134491450,4ptp4l0-21swapper/109:11:411
134491450,4ptp4l0-21swapper/011:24:220
134491450,4ptp4l0-21swapper/009:10:120
134491450,4ptp4l0-21swapper/008:38:060
134491450,4ptp4l0-21swapper/008:34:020
134491450,3ptp4l0-21swapper/211:35:272
134491450,3ptp4l0-21swapper/111:03:291
134491450,3ptp4l0-21swapper/108:48:471
134491450,3ptp4l0-21swapper/107:43:131
134491440,9ptp4l0-21swapper/207:11:302
134491440,9ptp4l0-21swapper/011:42:220
134491440,5ptp4l0-21swapper/111:25:271
134491440,5ptp4l0-21swapper/007:09:580
134491440,4ptp4l9573-21apt-get11:40:123
134491440,4ptp4l0-21swapper/208:25:062
134491440,4ptp4l0-21swapper/208:25:062
134491440,4ptp4l0-21swapper/007:57:070
134491440,3ptp4l0-21swapper/209:30:402
134491440,3ptp4l0-21swapper/110:11:471
134491440,3ptp4l0-21swapper/109:36:351
134491440,3ptp4l0-21swapper/009:53:410
134491440,11ptp4l0-21swapper/208:45:002
134491430,9ptp4l0-21swapper/208:37:082
134491430,9ptp4l0-21swapper/010:00:510
134491430,4ptp4l6094-21apt-get08:05:111
134491430,4ptp4l2435-21apt-get10:15:123
134491430,4ptp4l1245299cyclictest12:06:483
134491430,4ptp4l0-21swapper/010:00:010
134491430,4ptp4l0-21swapper/010:00:000
134491430,3ptp4l0-21swapper/310:25:043
12449994338,3cyclictest9-21ksoftirqd/008:55:000
12449994311,5cyclictest9-21ksoftirqd/007:40:200
134491420,9ptp4l0-21swapper/311:28:493
134491420,9ptp4l0-21swapper/208:53:462
134491420,5ptp4l9138-21diskstats09:20:161
134491420,5ptp4l0-21swapper/207:40:282
134491420,5ptp4l0-21swapper/012:10:120
134491420,4ptp4l2610-21apt-get11:25:102
134491420,4ptp4l23603-21ntp_states08:40:210
134491420,4ptp4l23573-21users07:30:300
134491420,4ptp4l2318-21gnome-shell10:39:581
134491420,4ptp4l15579-21apt-get08:25:111
134491420,4ptp4l15579-21apt-get08:25:111
134491420,4ptp4l0-21swapper/312:00:403
134491420,4ptp4l0-21swapper/211:00:442
134491420,4ptp4l0-21swapper/209:27:452
134491420,4ptp4l0-21swapper/011:10:120
134491420,3ptp4l31142-21ls11:15:231
12451994224,17cyclictest33-21ksoftirqd/207:30:012
12449994236,3cyclictest9-21ksoftirqd/007:10:140
134491410,9ptp4l0-21swapper/210:37:512
134491410,9ptp4l0-21swapper/209:21:592
134491410,9ptp4l0-21swapper/209:05:442
134491410,9ptp4l0-21swapper/208:30:072
134491410,8ptp4l0-21swapper/207:33:402
134491410,5ptp4l19461-21irqstats10:50:190
134491410,5ptp4l0-21swapper/112:05:201
134491410,5ptp4l0-21swapper/009:35:230
134491410,4ptp4l8449-21apt-get08:10:131
134491410,4ptp4l3584-21apt-get08:00:101
134491410,4ptp4l32486-21apt-get10:10:122
134491410,4ptp4l2743-21df_inode10:15:151
134491410,4ptp4l26842-21memory12:15:213
134491410,4ptp4l2318-21gnome-shell10:42:580
134491410,4ptp4l0-21swapper/312:35:223
134491410,4ptp4l0-21swapper/311:55:123
134491410,4ptp4l0-21swapper/310:09:143
134491410,3ptp4l31744-21hddtemp_smartct07:50:152
134491410,3ptp4l0-21swapper/211:42:432
134491410,3ptp4l0-21swapper/109:40:291
134491410,3ptp4l0-21swapper/109:06:081
134491400,9ptp4l0-21swapper/210:59:562
134491400,5ptp4l3151-21timerandwakeup09:05:293
134491400,5ptp4l0-21swapper/107:08:011
134491400,5ptp4l0-21swapper/011:05:260
134491400,5ptp4l0-21swapper/009:20:160
134491400,4ptp4l6885-21hddtemp_smartct09:15:181
134491400,4ptp4l5635-21apt-get08:05:023
134491400,4ptp4l5179-21ls09:10:233
134491400,4ptp4l30690-21users07:45:251
134491400,4ptp4l30690-21users07:45:251
134491400,4ptp4l28420-21df12:20:141
134491400,4ptp4l27080-21apt-get08:50:111
134491400,4ptp4l25116-21apt-get09:55:021
134491400,4ptp4l25116-21apt-get09:55:021
134491400,4ptp4l0-21swapper/212:23:312
134491400,4ptp4l0-21swapper/012:09:240
134491400,4ptp4l0-21swapper/011:30:380
134491400,4ptp4l0-21swapper/010:25:290
134491400,4ptp4l0-21swapper/009:16:570
134491400,3ptp4l31138-21meminfo10:05:211
134491400,3ptp4l29326-21ls11:10:293
134491400,3ptp4l27824-21apt-get11:10:131
134491400,3ptp4l23063-21apt-get09:50:122
134491400,3ptp4l16345-21ls07:15:290
134491400,3ptp4l14777-21apt-get07:15:121
134491400,3ptp4l14746-21users08:20:280
134491400,3ptp4l0-21swapper/309:55:083
134491400,3ptp4l0-21swapper/309:55:083
134491400,3ptp4l0-21swapper/011:54:190
12451994022,16cyclictest33-21ksoftirqd/208:05:012
134491390,5ptp4l0-21swapper/311:00:073
134491390,5ptp4l0-21swapper/009:26:260
134491390,4ptp4l27433-21sshd09:57:412
134491390,4ptp4l27433-21sshd09:57:402
134491390,4ptp4l21864-21meminfo10:55:221
134491390,4ptp4l11871-21apt-get11:45:123
134491390,4ptp4l0-21swapper/312:25:153
134491390,4ptp4l0-21swapper/310:38:103
134491390,4ptp4l0-21swapper/310:00:183
134491390,4ptp4l0-21swapper/309:23:333
134491390,4ptp4l0-21swapper/308:31:323
134491390,4ptp4l0-21swapper/308:24:113
134491390,4ptp4l0-21swapper/210:31:202
134491390,4ptp4l0-21swapper/207:59:142
134491390,4ptp4l0-21swapper/207:21:242
134491390,4ptp4l0-21swapper/107:55:291
134491390,4ptp4l0-21swapper/107:30:211
134491390,4ptp4l0-21swapper/012:03:060
134491390,4ptp4l0-21swapper/011:49:160
134491390,4ptp4l0-21swapper/010:30:120
134491390,4ptp4l0-21swapper/010:15:250
134491390,4ptp4l0-21swapper/009:47:240
134491390,4ptp4l0-21swapper/008:45:070
134491390,4ptp4l0-21swapper/008:05:280
134491390,3ptp4l9389-21/usr/sbin/munin10:30:263
134491390,3ptp4l5370-21ps09:10:252
134491390,3ptp4l29807-21hddtemp_smartct08:55:170
134491390,3ptp4l28317-21hddtemp_smartct10:00:161
134491390,3ptp4l24630-21hddtemp_smartct07:35:172
134491390,3ptp4l23600-21kworker/u8:209:45:343
134491390,3ptp4l1245299cyclictest09:34:203
134491390,3ptp4l12254-21ls08:15:271
134491390,3ptp4l0-21swapper/209:03:212
134491390,3ptp4l0-21swapper/110:29:021
134491390,3ptp4l0-21swapper/010:45:200
134491390,3ptp4l0-21swapper/007:45:200
134491390,3ptp4l0-21swapper/007:45:200
12452993934,3cyclictest41-21ksoftirqd/308:30:003
12452993934,3cyclictest41-21ksoftirqd/308:30:003
12451993934,3cyclictest33-21ksoftirqd/210:48:522
12450993934,3cyclictest25-21ksoftirqd/111:40:011
1244999398,5cyclictest9-21ksoftirqd/009:31:390
12449993933,3cyclictest9-21ksoftirqd/012:30:190
134491380,5ptp4l0-21swapper/111:41:261
134491380,4ptp4l16646-21fschecks_count10:45:171
134491380,4ptp4l0-21swapper/311:30:123
134491380,4ptp4l0-21swapper/311:20:073
134491380,4ptp4l0-21swapper/311:15:203
134491380,4ptp4l0-21swapper/310:46:213
134491380,4ptp4l0-21swapper/309:35:153
134491380,4ptp4l0-21swapper/309:25:513
134491380,4ptp4l0-21swapper/308:52:223
134491380,4ptp4l0-21swapper/308:40:173
134491380,4ptp4l0-21swapper/308:17:523
134491380,4ptp4l0-21swapper/307:55:263
134491380,4ptp4l0-21swapper/211:20:222
134491380,4ptp4l0-21swapper/210:53:382
134491380,4ptp4l0-21swapper/210:28:032
134491380,4ptp4l0-21swapper/210:07:172
134491380,4ptp4l0-21swapper/208:55:112
134491380,4ptp4l0-21swapper/208:15:232
134491380,4ptp4l0-21swapper/208:11:192
134491380,4ptp4l0-21swapper/111:48:001
134491380,4ptp4l0-21swapper/109:00:061
134491380,4ptp4l0-21swapper/010:21:190
134491380,4ptp4l0-21swapper/007:50:090
134491380,3ptp4l32073-21ls12:25:271
134491380,3ptp4l26832-21/usr/sbin/munin12:15:201
134491380,3ptp4l22693-21df08:40:111
134491380,3ptp4l1301-21snmpd10:58:153
134491380,3ptp4l0-21swapper/112:14:121
134491380,3ptp4l0-21swapper/011:15:290
12452993833,3cyclictest41-21ksoftirqd/307:40:023
134491370,4ptp4l0-21swapper/310:11:163
134491370,4ptp4l0-21swapper/309:15:373
134491370,4ptp4l0-21swapper/308:46:373
134491370,4ptp4l0-21swapper/308:10:563
134491370,4ptp4l0-21swapper/307:49:443
134491370,4ptp4l0-21swapper/307:49:443
134491370,4ptp4l0-21swapper/307:35:113
134491370,4ptp4l0-21swapper/307:21:493
134491370,4ptp4l0-21swapper/208:22:062
134491370,4ptp4l0-21swapper/112:35:161
134491370,3ptp4l0-21swapper/310:52:013
134491370,3ptp4l0-21swapper/309:43:083
134491370,3ptp4l0-21swapper/307:17:293
134491370,2ptp4l0-21swapper/307:10:213
134491360,4ptp4l0-21swapper/310:41:473
134491360,4ptp4l0-21swapper/310:20:203
134491360,4ptp4l0-21swapper/308:55:133
134491360,4ptp4l0-21swapper/111:20:131
134491360,3ptp4l0-21swapper/111:55:021
134491360,3ptp4l0-21swapper/111:51:571
12452993631,3cyclictest41-21ksoftirqd/307:50:103
134491350,3ptp4l0-21swapper/307:32:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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