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2025-12-30 - 21:02
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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 Tue Dec 30, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2622621770,5sleep01116999cyclictest12:20:010
1263721450,3sleep31117299cyclictest08:20:193
185112780,7sleep11117099cyclictest07:25:131
11171997033,8cyclictest33-21ksoftirqd/210:00:002
11171997033,8cyclictest33-21ksoftirqd/209:59:592
11171996731,6cyclictest33-21ksoftirqd/208:55:262
11171996633,9cyclictest33-21ksoftirqd/208:14:592
11171996532,5cyclictest33-21ksoftirqd/208:04:592
11171996528,8cyclictest33-21ksoftirqd/211:15:012
11171996434,7cyclictest33-21ksoftirqd/209:24:592
11171996427,6cyclictest33-21ksoftirqd/209:54:592
11171996425,5cyclictest33-21ksoftirqd/207:50:212
134491630,4ptp4l0-21swapper/310:00:213
11171996330,5cyclictest33-21ksoftirqd/211:20:162
11171996329,7cyclictest33-21ksoftirqd/208:05:242
1116999637,26cyclictest2007-21seq07:57:370
1116999632,27cyclictest0-21swapper/009:08:430
1116999631,26cyclictest20632-21taskset10:57:440
1116999630,60cyclictest19640-21memory08:35:230
11171996231,5cyclictest33-21ksoftirqd/208:30:192
11171996230,6cyclictest33-21ksoftirqd/208:20:152
11171996229,5cyclictest33-21ksoftirqd/211:10:012
11171996227,8cyclictest33-21ksoftirqd/209:00:442
11171996226,6cyclictest33-21ksoftirqd/208:40:262
1116999621,30cyclictest11512-21seq10:38:480
1116999620,58cyclictest29397-21/usr/sbin/munin10:05:280
1116999620,31cyclictest18316-21seq08:33:360
134491610,2ptp4l0-21swapper/007:06:200
11171996132,6cyclictest33-21ksoftirqd/210:55:212
11171996131,5cyclictest33-21ksoftirqd/208:50:162
11171996131,5cyclictest33-21ksoftirqd/208:50:162
11171996130,4cyclictest33-21ksoftirqd/212:10:282
11171996129,6cyclictest33-21ksoftirqd/208:15:152
11171996128,6cyclictest33-21ksoftirqd/209:30:172
11171996127,5cyclictest33-21ksoftirqd/212:04:592
11171996123,6cyclictest33-21ksoftirqd/210:05:182
11171996123,6cyclictest33-21ksoftirqd/207:30:272
11171996123,6cyclictest33-21ksoftirqd/207:30:262
1116999611,30cyclictest15216-21seq07:15:580
1116999610,31cyclictest25189-21seq11:07:010
1116999610,30cyclictest9132-21seq11:43:270
134491600,4ptp4l0-21swapper/111:00:181
11171996032,5cyclictest33-21ksoftirqd/211:30:282
11171996031,5cyclictest33-21ksoftirqd/211:40:212
11171996029,5cyclictest33-21ksoftirqd/208:35:212
11171996028,5cyclictest33-21ksoftirqd/207:45:162
11171996024,5cyclictest33-21ksoftirqd/212:15:212
11171996022,6cyclictest33-21ksoftirqd/212:30:262
1116999602,26cyclictest0-21swapper/012:07:540
1116999601,29cyclictest332-21seq12:33:370
1116999600,30cyclictest25185-21seq08:48:080
134491590,4ptp4l0-21swapper/212:35:222
134491590,4ptp4l0-21swapper/107:15:221
134491590,4ptp4l0-21swapper/009:56:380
134491590,4ptp4l0-21swapper/009:56:370
11171995933,3cyclictest33-21ksoftirqd/210:05:012
11171995930,3cyclictest33-21ksoftirqd/210:15:012
11171995929,6cyclictest33-21ksoftirqd/211:50:162
1116999590,31cyclictest9212-21seq10:33:510
11171995833,6cyclictest33-21ksoftirqd/212:20:202
11171995829,6cyclictest33-21ksoftirqd/207:40:212
11171995827,4cyclictest33-21ksoftirqd/211:35:272
11171995826,6cyclictest33-21ksoftirqd/208:25:252
11171995825,8cyclictest33-21ksoftirqd/211:55:152
11171995822,4cyclictest33-21ksoftirqd/207:15:212
1116999582,28cyclictest23196-21seq12:11:180
1116999582,26cyclictest0-21swapper/010:29:270
1116999581,30cyclictest32153-21seq11:22:400
1116999580,30cyclictest2650-21seq12:37:190
1116999580,29cyclictest15930-21taskset11:57:100
1116999580,26cyclictest4383-21seq09:13:400
134491570,4ptp4l0-21swapper/311:19:453
1117199575,7cyclictest33-21ksoftirqd/210:40:012
11171995730,9cyclictest33-21ksoftirqd/211:25:282
11171995727,3cyclictest33-21ksoftirqd/210:47:032
1116999570,3cyclictest22369-21switchtime08:40:270
1116999570,31cyclictest22436-21seq07:32:100
1116999570,31cyclictest22436-21seq07:32:090
1116999570,29cyclictest25734-21seq12:19:240
11171995630,6cyclictest33-21ksoftirqd/212:05:152
11171995625,3cyclictest33-21ksoftirqd/209:45:202
11171995624,6cyclictest33-21ksoftirqd/209:35:222
11171995622,6cyclictest33-21ksoftirqd/209:15:142
1116999562,23cyclictest0-21swapper/009:15:530
1116999561,25cyclictest1317-21runrttasks09:37:100
1116999560,30cyclictest4346-21seq11:31:560
11171995526,3cyclictest33-21ksoftirqd/210:15:132
242252540,4sleep30-21swapper/309:55:193
242252540,4sleep30-21swapper/309:55:193
134491540,3ptp4l0-21swapper/312:35:293
134491540,13ptp4l0-21swapper/109:30:501
134491540,12ptp4l0-21swapper/311:40:483
11171995442,4cyclictest33-21ksoftirqd/210:45:012
11171995424,5cyclictest33-21ksoftirqd/209:10:182
1116999542,25cyclictest0-21swapper/011:19:160
1116999540,27cyclictest13796-21taskset10:43:240
134491530,4ptp4l0-21swapper/310:53:093
134491530,4ptp4l0-21swapper/309:47:263
134491530,4ptp4l0-21swapper/308:29:093
134491530,3ptp4l0-21swapper/311:35:293
134491530,2ptp4l0-21swapper/307:13:473
134491530,11ptp4l0-21swapper/312:05:203
1117199532,7cyclictest0-21swapper/210:20:232
11171995319,5cyclictest33-21ksoftirqd/211:45:162
1116999530,26cyclictest15795-21runrttasks08:25:420
193972520,2sleep319403-21irqrtprio10:55:193
134491520,3ptp4l0-21swapper/312:25:173
1117199523,6cyclictest33-21ksoftirqd/211:15:312
11171995216,6cyclictest33-21ksoftirqd/209:25:272
11171995216,6cyclictest33-21ksoftirqd/209:25:272
1116999520,25cyclictest11204-21taskset11:45:300
1116999520,21cyclictest26620-21meminfo11:10:190
134491510,4ptp4l3572-21ntp_states09:10:233
134491510,4ptp4l0-21swapper/311:20:593
134491510,4ptp4l0-21swapper/007:50:130
1117199516,6cyclictest33-21ksoftirqd/207:25:172
11171995141,2cyclictest33-21ksoftirqd/207:20:262
1117199512,7cyclictest0-21swapper/210:30:172
1117199510,5cyclictest33-21ksoftirqd/212:25:152
1116999510,27cyclictest27562-21taskset08:54:120
1116999510,27cyclictest27562-21taskset08:54:120
134491500,3ptp4l0-21swapper/309:18:343
134491500,3ptp4l0-21swapper/308:52:113
134491500,3ptp4l0-21swapper/308:52:113
134491500,2ptp4l0-21swapper/311:10:253
134491500,13ptp4l0-21swapper/110:05:241
1117199505,5cyclictest33-21ksoftirqd/208:47:102
1117199503,5cyclictest17419-21tr09:40:222
11171995021,6cyclictest33-21ksoftirqd/211:00:262
11171995018,6cyclictest33-21ksoftirqd/210:25:202
1116999502,29cyclictest0-21swapper/009:42:350
134491490,4ptp4l0-21swapper/108:31:581
1116999492,23cyclictest0-21swapper/008:55:420
134491480,3ptp4l0-21swapper/308:09:573
1117199486,2cyclictest33-21ksoftirqd/207:54:592
1117199482,7cyclictest33-21ksoftirqd/209:05:172
11171994822,4cyclictest33-21ksoftirqd/207:35:112
1117099488,38cyclictest18830-21kworker/1:207:11:091
1116999482,23cyclictest0-21swapper/010:50:310
11169994810,18cyclictest1317-21runrttasks08:20:480
134491470,3ptp4l0-21swapper/309:01:503
1117199470,5cyclictest33-21ksoftirqd/207:10:232
1117199470,2cyclictest121rcu_preempt10:50:142
1116999472,26cyclictest0-21swapper/010:17:260
134491460,5ptp4l0-21swapper/107:06:191
134491460,4ptp4l0-21swapper/308:34:493
134491460,3ptp4l0-21swapper/311:50:303
134491450,4ptp4l0-21swapper/311:46:193
134491450,3ptp4l0-21swapper/311:01:093
134491450,10ptp4l12428-21irqrtprio11:50:181
134491450,10ptp4l0-21swapper/009:25:260
134491450,10ptp4l0-21swapper/009:25:260
134491440,3ptp4l1117099cyclictest09:36:181
1116999442,27cyclictest0-21swapper/011:26:460
1116999442,22cyclictest0-21swapper/012:29:150
134491430,5ptp4l14597-21perl10:45:161
134491430,4ptp4l722-21apt-get12:35:131
134491430,4ptp4l21084-21apt-get11:00:130
134491430,4ptp4l14175-21apt-get10:45:123
134491430,3ptp4l0-21swapper/307:50:133
1116999430,34cyclictest4571-21seq10:23:560
1116999430,31cyclictest4485-21taskset08:04:040
134491420,9ptp4l0-21swapper/007:23:540
134491420,5ptp4l0-21swapper/312:30:133
134491420,5ptp4l0-21swapper/312:00:133
134491420,5ptp4l0-21swapper/009:30:210
134491420,4ptp4l30628-21hddtemp_smartct09:00:161
134491420,4ptp4l2612-21apt-get10:20:121
134491420,4ptp4l16162-21apt-get12:00:020
134491420,4ptp4l0-21swapper/207:08:072
134491420,3ptp4l0-21swapper/309:54:413
1116999421,2cyclictest11762-21iostat07:10:180
1116999420,29cyclictest32238-21taskset09:04:540
134491410,5ptp4l9724-21df_inode09:25:163
134491410,5ptp4l9724-21df_inode09:25:163
134491410,5ptp4l8243-21/usr/sbin/munin08:10:210
134491410,5ptp4l0-21swapper/307:35:153
134491410,5ptp4l0-21swapper/111:45:181
134491410,5ptp4l0-21swapper/109:58:421
134491410,5ptp4l0-21swapper/109:58:421
134491410,5ptp4l0-21swapper/010:45:150
134491410,4ptp4l8285-21ntp_states08:10:231
134491410,4ptp4l23737-21apt-get12:15:133
134491410,4ptp4l2318-21gnome-shell09:20:590
134491410,4ptp4l22556-21ntp_states12:10:241
134491410,4ptp4l0-21swapper/312:20:193
134491410,4ptp4l0-21swapper/112:00:251
134491410,3ptp4l5351-21hddtemp_smartct10:25:181
134491410,3ptp4l21737-21ntp_states07:30:241
134491410,3ptp4l21737-21ntp_states07:30:241
134491410,3ptp4l20906-21sshd09:50:071
1116999410,28cyclictest11498-21taskset08:19:420
1116999410,27cyclictest11785-21taskset11:50:030
134491400,6ptp4l0-21swapper/309:40:203
134491400,5ptp4l5193-21df_abs10:25:163
134491400,5ptp4l23698-21/usr/sbin/munin08:45:161
134491400,5ptp4l0-21swapper/111:09:161
134491400,5ptp4l0-21swapper/008:09:570
134491400,4ptp4l2916-21df_abs10:20:143
134491400,4ptp4l28996-21ntp_states08:55:203
134491400,4ptp4l22672-21users08:40:281
134491400,4ptp4l19276-21memory07:25:213
134491400,4ptp4l16544-21df09:40:151
134491400,4ptp4l0-21swapper/311:34:093
134491400,4ptp4l0-21swapper/308:45:353
134491400,4ptp4l0-21swapper/111:10:221
134491400,4ptp4l0-21swapper/109:15:261
134491400,4ptp4l0-21swapper/108:50:291
134491400,4ptp4l0-21swapper/108:50:291
134491400,4ptp4l0-21swapper/108:05:291
134491400,4ptp4l0-21swapper/108:00:221
134491400,4ptp4l0-21swapper/010:05:010
134491400,4ptp4l0-21swapper/007:37:280
134491400,3ptp4l28923-21meminfo11:15:231
134491400,3ptp4l22021-21ls08:40:213
134491400,3ptp4l10678-21ntp_states10:35:223
1117099409,29cyclictest0-21swapper/109:45:391
134491390,5ptp4l0-21swapper/311:05:263
134491390,5ptp4l0-21swapper/107:55:531
134491390,4ptp4l15525-21ls11:55:261
134491390,4ptp4l1117299cyclictest09:30:183
134491390,4ptp4l0-21swapper/310:15:143
134491390,4ptp4l0-21swapper/308:35:323
134491390,4ptp4l0-21swapper/308:10:013
134491390,4ptp4l0-21swapper/307:56:033
134491390,4ptp4l0-21swapper/307:45:273
134491390,4ptp4l0-21swapper/307:20:253
134491390,4ptp4l0-21swapper/307:15:213
134491390,4ptp4l0-21swapper/112:30:161
134491390,4ptp4l0-21swapper/112:05:141
134491390,4ptp4l0-21swapper/111:30:211
134491390,4ptp4l0-21swapper/110:35:111
134491390,4ptp4l0-21swapper/108:19:311
134491390,4ptp4l0-21swapper/107:20:121
134491390,4ptp4l0-21swapper/011:35:070
134491390,4ptp4l0-21swapper/009:46:440
134491390,4ptp4l0-21swapper/007:45:120
134491390,4ptp4l0-21swapper/007:41:200
134491390,4ptp4l0-21swapper/007:25:240
134491390,3ptp4l8062-21ls09:20:223
134491390,3ptp4l24688-21memory12:15:211
134491390,3ptp4l2318-21gnome-shell09:21:591
134491390,3ptp4l23009-21ls12:10:293
134491390,3ptp4l22674-21apt-get07:35:011
134491390,3ptp4l12836-21meminfo10:40:211
134491390,3ptp4l0-21swapper/111:23:201
134491390,2ptp4l8207-21ls10:30:201
134491380,5ptp4l0-21swapper/307:08:213
134491380,4ptp4l7468-21diskstats11:40:151
134491380,4ptp4l28998-21processes07:45:261
134491380,4ptp4l19132-21grep10:55:161
134491380,4ptp4l12297-21cut10:40:173
134491380,4ptp4l0-21swapper/311:58:423
134491380,4ptp4l0-21swapper/310:30:143
134491380,4ptp4l0-21swapper/310:10:213
134491380,4ptp4l0-21swapper/309:05:103
134491380,4ptp4l0-21swapper/307:41:543
134491380,4ptp4l0-21swapper/112:25:261
134491380,4ptp4l0-21swapper/112:20:271
134491380,4ptp4l0-21swapper/111:35:101
134491380,4ptp4l0-21swapper/111:26:301
134491380,4ptp4l0-21swapper/110:15:211
134491380,4ptp4l0-21swapper/110:10:261
134491380,4ptp4l0-21swapper/110:02:581
134491380,4ptp4l0-21swapper/109:25:171
134491380,4ptp4l0-21swapper/109:25:171
134491380,4ptp4l0-21swapper/109:06:141
134491380,4ptp4l0-21swapper/108:55:281
134491380,4ptp4l0-21swapper/009:51:000
134491380,3ptp4l0-21swapper/310:05:273
134491380,3ptp4l0-21swapper/308:15:253
134491380,3ptp4l0-21swapper/308:00:163
134491380,3ptp4l0-21swapper/010:12:460
134491380,10ptp4l0-21swapper/110:50:001
134491370,4ptp4l0-21swapper/309:35:123
134491370,4ptp4l0-21swapper/307:34:473
134491370,4ptp4l0-21swapper/307:34:473
134491370,4ptp4l0-21swapper/109:10:201
134491370,4ptp4l0-21swapper/108:25:171
134491370,4ptp4l0-21swapper/107:50:171
134491370,3ptp4l12293-21if_enp1s008:20:171
134491370,3ptp4l0-21swapper/311:25:213
134491370,3ptp4l0-21swapper/108:36:281
134491370,3ptp4l0-21swapper/107:41:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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