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2025-12-29 - 06:41
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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 Dec 29, 2025 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26893996430,4cyclictest33-21ksoftirqd/220:57:042
2689299643,11cyclictest8128-21latency_hist20:50:001
134491640,4ptp4l9463-21apt-get00:20:140
26893996330,4cyclictest33-21ksoftirqd/200:32:182
26893996231,4cyclictest33-21ksoftirqd/221:33:502
26893996129,4cyclictest33-21ksoftirqd/220:52:182
26893996129,4cyclictest33-21ksoftirqd/220:52:182
26893996127,4cyclictest33-21ksoftirqd/221:39:562
2689299616,10cyclictest13665-21cut21:00:211
26893996030,4cyclictest33-21ksoftirqd/219:59:512
26893996029,7cyclictest33-21ksoftirqd/221:42:532
26893996028,4cyclictest33-21ksoftirqd/222:28:242
26893996025,6cyclictest33-21ksoftirqd/223:40:482
26893996025,6cyclictest33-21ksoftirqd/223:40:482
26893996023,6cyclictest33-21ksoftirqd/223:38:192
26893996023,3cyclictest33-21ksoftirqd/219:12:452
134491600,5ptp4l0-21swapper/020:00:200
26893995928,4cyclictest33-21ksoftirqd/221:00:252
26893995927,3cyclictest33-21ksoftirqd/220:49:012
26893995926,3cyclictest33-21ksoftirqd/222:46:462
26893995925,4cyclictest33-21ksoftirqd/220:00:022
26893995924,6cyclictest33-21ksoftirqd/219:18:122
26893995924,5cyclictest33-21ksoftirqd/223:45:052
26893995924,4cyclictest33-21ksoftirqd/219:39:542
26893995924,3cyclictest33-21ksoftirqd/220:43:502
26893995923,6cyclictest33-21ksoftirqd/221:55:302
134491590,5ptp4l0-21swapper/122:35:141
26893995830,3cyclictest33-21ksoftirqd/222:57:052
26893995828,4cyclictest33-21ksoftirqd/221:47:392
26893995827,3cyclictest33-21ksoftirqd/221:08:522
26893995825,4cyclictest33-21ksoftirqd/222:08:012
26893995823,4cyclictest33-21ksoftirqd/220:31:412
26893995823,4cyclictest33-21ksoftirqd/200:09:452
26893995821,8cyclictest33-21ksoftirqd/223:00:192
2689299583,17cyclictest12012-21df_abs00:25:151
134491580,4ptp4l0-21swapper/020:50:220
134491580,4ptp4l0-21swapper/020:50:220
134491580,3ptp4l0-21swapper/019:40:280
26893995727,4cyclictest33-21ksoftirqd/221:50:562
26893995727,4cyclictest33-21ksoftirqd/200:25:372
26893995724,5cyclictest33-21ksoftirqd/220:20:192
26893995724,5cyclictest33-21ksoftirqd/220:20:192
26893995724,4cyclictest33-21ksoftirqd/219:26:562
26893995724,4cyclictest33-21ksoftirqd/200:19:532
26893995720,4cyclictest33-21ksoftirqd/222:04:562
2689299578,5cyclictest4082-21df_abs19:30:141
2689299576,11cyclictest4042-21cut21:50:151
2689299571,12cyclictest29316-21cut22:45:001
2689299570,10cyclictest12307-21awk19:45:281
134491570,4ptp4l0-21swapper/023:20:280
134491570,3ptp4l0-21swapper/123:45:201
26893995628,6cyclictest33-21ksoftirqd/200:24:512
26893995625,5cyclictest33-21ksoftirqd/223:33:302
26893995624,3cyclictest33-21ksoftirqd/222:21:022
26893995623,5cyclictest33-21ksoftirqd/223:56:272
26893995621,4cyclictest33-21ksoftirqd/221:12:092
26893995620,6cyclictest33-21ksoftirqd/221:15:422
26893995618,6cyclictest33-21ksoftirqd/223:20:002
26893995618,5cyclictest33-21ksoftirqd/220:05:262
2689299568,7cyclictest0-21swapper/123:15:271
2689299564,11cyclictest1-21systemd20:20:281
2689299564,11cyclictest1-21systemd20:20:281
26893995529,8cyclictest33-21ksoftirqd/220:39:272
26893995529,6cyclictest33-21ksoftirqd/200:03:162
26893995525,4cyclictest33-21ksoftirqd/222:11:052
26893995523,4cyclictest33-21ksoftirqd/219:52:242
26893995523,4cyclictest33-21ksoftirqd/219:52:242
26893995521,3cyclictest33-21ksoftirqd/222:31:122
26893995520,4cyclictest33-21ksoftirqd/223:21:312
26893995519,3cyclictest33-21ksoftirqd/223:14:532
2689299556,10cyclictest3804-21latency_hist21:50:011
2689299554,16cyclictest32273-21irqrtprio20:30:181
2689299553,12cyclictest26875-21latency_hist21:30:001
2689299553,10cyclictest22908-21latency_hist23:40:001
26893995425,4cyclictest33-21ksoftirqd/219:45:222
26893995424,3cyclictest33-21ksoftirqd/220:26:372
26893995423,5cyclictest33-21ksoftirqd/221:20:172
26893995423,4cyclictest33-21ksoftirqd/219:30:142
26893995420,4cyclictest33-21ksoftirqd/223:07:062
26893995419,4cyclictest33-21ksoftirqd/200:37:172
2689299545,11cyclictest31398-21latency_hist21:40:011
2689299544,9cyclictest17940-21cpu22:20:131
2689299541,11cyclictest31840-21df_abs19:20:131
134491540,4ptp4l0-21swapper/322:25:143
26893995326,5cyclictest33-21ksoftirqd/220:16:142
26893995324,3cyclictest33-21ksoftirqd/219:24:132
26893995319,7cyclictest33-21ksoftirqd/200:10:172
26893995317,5cyclictest33-21ksoftirqd/223:50:162
2689299536,9cyclictest27995-21cat21:30:211
2689299532,12cyclictest16443-21missed_timers21:05:251
2689299532,11cyclictest23624-21irqrtprio23:40:191
2689299532,11cyclictest23624-21irqrtprio23:40:191
2689299531,10cyclictest0-21swapper/121:15:281
26891995323,4cyclictest9-21ksoftirqd/019:50:280
26891995323,4cyclictest9-21ksoftirqd/019:50:280
134491530,4ptp4l0-21swapper/323:08:263
134491530,4ptp4l0-21swapper/319:57:293
134491530,4ptp4l0-21swapper/023:30:430
134491530,4ptp4l0-21swapper/021:16:100
134491530,4ptp4l0-21swapper/019:24:470
26893995226,7cyclictest33-21ksoftirqd/222:17:382
26893995218,8cyclictest33-21ksoftirqd/222:35:162
2689299526,5cyclictest2893-21timerandwakeup20:35:281
2689299523,7cyclictest22962-21irqrtprio20:10:191
2689299523,10cyclictest1375-21cat00:00:251
2689299520,17cyclictest0-21swapper/123:00:001
134491520,4ptp4l0-21swapper/019:27:240
134491520,3ptp4l0-21swapper/300:14:353
26893995126,6cyclictest33-21ksoftirqd/219:40:222
26893995118,4cyclictest33-21ksoftirqd/222:40:142
2689299514,11cyclictest0-21swapper/123:26:371
2689299512,9cyclictest0-21swapper/119:25:181
134491510,4ptp4l0-21swapper/022:51:590
134491510,4ptp4l0-21swapper/019:49:570
134491510,3ptp4l0-21swapper/300:31:153
2689299502,10cyclictest0-21swapper/100:20:011
26892995011,37cyclictest14170-21kworker/1:200:10:291
134491500,4ptp4l0-21swapper/320:36:013
134491500,4ptp4l0-21swapper/023:29:000
134491500,4ptp4l0-21swapper/022:58:570
134491500,4ptp4l0-21swapper/022:42:540
134491500,4ptp4l0-21swapper/021:59:560
134491500,4ptp4l0-21swapper/021:23:460
134491500,4ptp4l0-21swapper/000:10:410
134491500,18ptp4l0-21swapper/323:37:373
26893994920,7cyclictest33-21ksoftirqd/220:10:292
2689299492,9cyclictest0-21swapper/121:15:001
26891994921,7cyclictest9-21ksoftirqd/022:15:000
26891994916,7cyclictest9-21ksoftirqd/021:10:290
26891994916,6cyclictest9-21ksoftirqd/000:00:000
26891994914,5cyclictest9-21ksoftirqd/020:55:150
134491490,4ptp4l0-21swapper/023:46:560
134491490,4ptp4l0-21swapper/023:00:280
2689499480,3cyclictest134491ptp4l21:30:003
26893994820,7cyclictest33-21ksoftirqd/222:50:122
2689299483,7cyclictest650-21ntpq22:50:201
26891994813,4cyclictest9-21ksoftirqd/022:30:270
134491480,4ptp4l0-21swapper/022:22:460
26893994735,9cyclictest33-21ksoftirqd/223:25:192
2689299474,16cyclictest3716-21cat00:05:261
2689299470,10cyclictest0-21swapper/121:40:271
26891994727,3cyclictest9-21ksoftirqd/020:10:190
26891994719,7cyclictest9-21ksoftirqd/022:45:290
26891994717,5cyclictest9-21ksoftirqd/023:15:000
26891994716,3cyclictest9-21ksoftirqd/000:40:000
26891994710,3cyclictest9-21ksoftirqd/020:30:130
134491470,4ptp4l0-21swapper/021:29:020
134491470,4ptp4l0-21swapper/019:09:100
134491470,3ptp4l0-21swapper/321:50:243
134491470,3ptp4l0-21swapper/000:17:230
26893994634,4cyclictest33-21ksoftirqd/221:26:242
2689299465,5cyclictest0-21swapper/119:50:181
2689299465,5cyclictest0-21swapper/119:50:181
2689299463,16cyclictest20941-21sed20:05:221
2689299463,10cyclictest0-21swapper/100:35:221
2689299460,18cyclictest0-21swapper/122:10:161
26891994628,8cyclictest9-21ksoftirqd/000:01:140
26891994610,5cyclictest9-21ksoftirqd/023:40:000
26891994610,10cyclictest9-21ksoftirqd/019:34:590
134491460,4ptp4l0-21swapper/320:41:073
134491460,3ptp4l0-21swapper/119:58:391
2689299454,10cyclictest0-21swapper/120:26:531
2689299451,11cyclictest24560-21dpkg20:15:141
134491450,4ptp4l0-21swapper/320:59:453
134491450,4ptp4l0-21swapper/300:39:223
26891994440,2cyclictest9-21ksoftirqd/021:40:000
26891994439,3cyclictest9-21ksoftirqd/020:39:590
26891994414,5cyclictest9-21ksoftirqd/020:05:270
134491440,4ptp4l0-21swapper/300:22:333
134491440,3ptp4l0-21swapper/021:40:270
2689199438,4cyclictest9-21ksoftirqd/021:00:290
26891994337,3cyclictest9-21ksoftirqd/020:00:000
26891994316,6cyclictest9-21ksoftirqd/022:15:290
26891994310,3cyclictest9-21ksoftirqd/022:00:140
26891994310,10cyclictest9-21ksoftirqd/020:20:220
26891994310,10cyclictest9-21ksoftirqd/020:20:220
134491430,8ptp4l0-21swapper/119:05:121
134491430,4ptp4l1546-21apt-get21:45:153
134491430,3ptp4l0-21swapper/020:45:190
2689299424,8cyclictest23679-21ntpq22:30:211
2689299423,8cyclictest20713-21if_enp1s022:25:171
2689299423,8cyclictest15080-21ls00:30:231
26891994212,4cyclictest9-21ksoftirqd/021:30:140
26891994210,7cyclictest9-21ksoftirqd/021:50:290
134691420,10getstats0-21swapper/323:53:183
134691420,10getstats0-21swapper/323:01:483
134691420,10getstats0-21swapper/321:02:493
134491420,5ptp4l0-21swapper/322:10:143
134491420,4ptp4l0-21swapper/323:45:233
134491420,4ptp4l0-21swapper/319:26:193
134491420,4ptp4l0-21swapper/022:37:440
134491420,3ptp4l10911-21df19:45:143
26891994136,3cyclictest9-21ksoftirqd/020:25:180
26891994135,4cyclictest28731-21kworker/0:219:18:540
2689199412,2cyclictest121rcu_preempt00:05:160
26891994113,5cyclictest9-21ksoftirqd/023:15:310
134691410,10getstats0-21swapper/322:35:003
134691410,10getstats0-21swapper/321:56:043
134691410,10getstats0-21swapper/320:51:173
134691410,10getstats0-21swapper/320:51:173
134691410,10getstats0-21swapper/320:46:093
134491410,5ptp4l0-21swapper/100:20:141
134491410,4ptp4l23272-21irqstats21:20:203
134491410,3ptp4l24535-21ls23:40:280
134491410,3ptp4l24535-21ls23:40:280
134491410,3ptp4l0-21swapper/023:05:220
2689299406,6cyclictest7143-21memory21:55:221
26891994035,3cyclictest28731-21kworker/0:219:12:460
134691400,9getstats0-21swapper/321:35:553
134691400,9getstats0-21swapper/300:18:543
134691400,10getstats0-21swapper/322:19:203
134491400,7ptp4l0-21swapper/122:05:141
134491400,5ptp4l0-21swapper/320:30:113
134491400,5ptp4l0-21swapper/022:25:140
134491400,4ptp4l7144-21iostat23:05:181
134491400,4ptp4l6930-21irqstats19:35:160
134491400,4ptp4l27894-21fschecks_count23:50:170
134491400,4ptp4l22855-21hddtemp_smartct21:20:171
134491400,4ptp4l19041-21meminfo23:30:241
134491400,4ptp4l15154-21apt-get22:15:021
134491400,4ptp4l0-21swapper/120:00:191
134491400,4ptp4l0-21swapper/021:47:100
134491400,3ptp4l29719-21apt-get22:45:131
134491400,3ptp4l24559-21apt-get20:15:143
134491400,3ptp4l15632-21ls00:30:290
26891993933,3cyclictest9-21ksoftirqd/020:15:280
26891993933,3cyclictest9-21ksoftirqd/000:25:250
134491390,5ptp4l23420-21phc2sys20:10:243
134491390,5ptp4l0-21swapper/323:25:163
134491390,5ptp4l0-21swapper/300:25:163
134491390,4ptp4l0-21swapper/323:25:003
134491390,4ptp4l0-21swapper/321:41:143
134491390,4ptp4l0-21swapper/319:11:203
134491390,4ptp4l0-21swapper/300:07:003
134491390,4ptp4l0-21swapper/123:55:181
134491390,4ptp4l0-21swapper/123:00:261
134491390,4ptp4l0-21swapper/119:35:141
134491390,4ptp4l0-21swapper/119:15:141
134491390,4ptp4l0-21swapper/021:05:020
134491390,3ptp4l8619-21df19:40:161
134491390,3ptp4l4049-21df_inode20:40:141
134491390,3ptp4l11930-21ntp_states22:05:240
26891993833,3cyclictest9-21ksoftirqd/020:40:150
134491380,5ptp4l0-21swapper/122:01:181
134491380,5ptp4l0-21swapper/119:10:001
134491380,4ptp4l10851-21df_abs20:55:161
134491380,4ptp4l0-21swapper/323:40:213
134491380,4ptp4l0-21swapper/323:40:213
134491380,4ptp4l0-21swapper/323:15:283
134491380,4ptp4l0-21swapper/323:11:023
134491380,4ptp4l0-21swapper/322:54:503
134491380,4ptp4l0-21swapper/322:40:483
134491380,4ptp4l0-21swapper/322:36:003
134491380,4ptp4l0-21swapper/321:31:163
134491380,4ptp4l0-21swapper/321:06:423
134491380,4ptp4l0-21swapper/320:23:513
134491380,4ptp4l0-21swapper/320:23:513
134491380,4ptp4l0-21swapper/320:07:253
134491380,4ptp4l0-21swapper/319:54:313
134491380,4ptp4l0-21swapper/319:54:313
134491380,4ptp4l0-21swapper/319:32:273
134491380,4ptp4l0-21swapper/319:17:173
134491380,4ptp4l0-21swapper/123:50:151
134491380,4ptp4l0-21swapper/123:23:491
134491380,4ptp4l0-21swapper/123:10:161
134491380,3ptp4l0-21swapper/120:50:141
134491380,3ptp4l0-21swapper/120:50:141
26894993732,3cyclictest41-21ksoftirqd/323:58:213
134491370,4ptp4l0-21swapper/323:33:123
134491370,4ptp4l0-21swapper/321:16:063
134491370,4ptp4l0-21swapper/320:25:353
134491370,4ptp4l0-21swapper/319:20:253
134491370,3ptp4l0-21swapper/322:20:193
134491370,3ptp4l0-21swapper/322:01:263
134491370,3ptp4l0-21swapper/300:00:293
46198360,4rtkit-daemon0-21swapper/322:09:073
134491360,4ptp4l0-21swapper/322:47:203
134491360,3ptp4l0-21swapper/322:55:223
134491360,3ptp4l0-21swapper/321:13:183
134491360,3ptp4l0-21swapper/320:03:213
134491360,3ptp4l0-21swapper/319:42:203
134491350,4ptp4l0-21swapper/319:37:293
46198300,5rtkit-daemon0-21swapper/319:08:573
137891193,8phc2sys24558-21apt-get19:05:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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