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2025-12-31 - 14:53
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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 Wed Dec 31, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2379321720,6sleep01078899cyclictest23:05:200
1031921610,5sleep31079199cyclictest20:15:293
314221460,7sleep31079199cyclictest23:30:183
1881921390,5sleep01078899cyclictest20:35:210
1079199690,3cyclictest25649-21tr23:10:123
1079199682,1cyclictest0-21swapper/321:45:143
10788996830,9cyclictest9-21ksoftirqd/023:00:160
134491640,20ptp4l0-21swapper/219:15:132
10788996428,11cyclictest9-21ksoftirqd/023:45:150
134491620,5ptp4l0-21swapper/221:20:242
10788996228,8cyclictest9-21ksoftirqd/023:55:000
10788996125,6cyclictest9-21ksoftirqd/021:40:270
1079199601,21cyclictest134691getstats20:00:163
10788996033,4cyclictest9-21ksoftirqd/019:55:010
10788996029,3cyclictest9-21ksoftirqd/000:30:290
10788996028,5cyclictest9-21ksoftirqd/021:25:160
10788996027,6cyclictest9-21ksoftirqd/021:54:590
10788996027,5cyclictest9-21ksoftirqd/023:30:200
10788996026,8cyclictest9-21ksoftirqd/021:09:590
10788996026,5cyclictest9-21ksoftirqd/022:45:200
10788996026,4cyclictest9-21ksoftirqd/023:20:250
10788996025,6cyclictest9-21ksoftirqd/020:30:200
10788996023,6cyclictest9-21ksoftirqd/021:20:000
10788996022,6cyclictest9-21ksoftirqd/019:35:140
134491590,4ptp4l0-21swapper/319:05:203
1079199590,45cyclictest3669-21seq21:14:523
1079199590,2cyclictest137891phc2sys22:50:163
10788995928,4cyclictest9-21ksoftirqd/019:55:220
10788995926,6cyclictest9-21ksoftirqd/023:30:000
134491580,4ptp4l0-21swapper/322:06:343
134491580,3ptp4l0-21swapper/219:20:192
10788995828,6cyclictest9-21ksoftirqd/020:20:270
10788995827,5cyclictest9-21ksoftirqd/021:30:010
10788995826,5cyclictest9-21ksoftirqd/021:39:590
10788995826,3cyclictest9-21ksoftirqd/000:00:160
10788995824,5cyclictest9-21ksoftirqd/020:45:230
10788995823,9cyclictest9-21ksoftirqd/022:15:190
134491570,14ptp4l8763-21diskstats19:05:172
10788995732,6cyclictest9-21ksoftirqd/000:20:150
10788995728,7cyclictest9-21ksoftirqd/019:15:270
10788995717,6cyclictest9-21ksoftirqd/000:25:230
134491560,5ptp4l0-21swapper/019:06:300
134491560,3ptp4l0-21swapper/221:40:122
134491560,3ptp4l0-21swapper/123:19:401
10788995622,5cyclictest9-21ksoftirqd/023:55:210
10788995622,5cyclictest9-21ksoftirqd/019:30:200
134491550,3ptp4l0-21swapper/322:20:003
134491550,3ptp4l0-21swapper/122:48:011
134491550,3ptp4l0-21swapper/120:20:151
1078899554,6cyclictest9-21ksoftirqd/023:40:230
10788995527,7cyclictest9-21ksoftirqd/022:00:240
10788995527,7cyclictest9-21ksoftirqd/022:00:240
10788995524,7cyclictest9-21ksoftirqd/000:20:000
134491540,4ptp4l0-21swapper/221:35:582
1079199540,17cyclictest134491ptp4l19:50:253
10788995427,6cyclictest9-21ksoftirqd/021:10:160
134491530,3ptp4l0-21swapper/121:37:221
1079199532,1cyclictest0-21swapper/300:10:193
1078899533,9cyclictest9-21ksoftirqd/020:40:200
10788995322,6cyclictest9-21ksoftirqd/000:10:210
1078899530,2cyclictest121rcu_preempt20:01:200
134491520,3ptp4l0-21swapper/119:38:131
1078899529,2cyclictest9-21ksoftirqd/022:10:250
1078899525,5cyclictest9-21ksoftirqd/021:20:220
10788995227,10cyclictest9-21ksoftirqd/000:35:260
10788995224,9cyclictest9-21ksoftirqd/022:50:260
134491510,4ptp4l0-21swapper/221:25:532
134491510,3ptp4l0-21swapper/220:39:592
1078899512,6cyclictest9-21ksoftirqd/021:55:260
10788995118,5cyclictest9-21ksoftirqd/022:35:010
10788995118,5cyclictest9-21ksoftirqd/022:35:010
134491500,4ptp4l0-21swapper/120:52:061
134491500,3ptp4l0-21swapper/023:15:170
1078899504,9cyclictest9-21ksoftirqd/022:40:280
1078899503,2cyclictest3086-21uname22:20:190
1078899502,6cyclictest9-21ksoftirqd/019:15:000
1078899502,3cyclictest121rcu_preempt22:40:010
10788995019,3cyclictest9-21ksoftirqd/020:52:160
134491490,4ptp4l0-21swapper/200:22:452
134491490,13ptp4l0-21swapper/100:31:161
1078899495,7cyclictest9-21ksoftirqd/019:25:210
1078899494,7cyclictest9-21ksoftirqd/021:00:000
10788994937,3cyclictest9-21ksoftirqd/023:15:010
10788994925,7cyclictest9-21ksoftirqd/020:10:280
134491480,4ptp4l0-21swapper/222:30:322
134491480,4ptp4l0-21swapper/222:30:322
134491480,4ptp4l0-21swapper/219:11:222
134491480,4ptp4l0-21swapper/122:23:411
134491480,4ptp4l0-21swapper/120:06:481
134491480,3ptp4l0-21swapper/119:55:331
134491480,10ptp4l0-21swapper/223:00:222
1079199481,25cyclictest5918-21chrt20:08:193
1079199480,4cyclictest18095-21switchtime00:00:293
1078899482,3cyclictest0-21swapper/020:25:200
10788994823,3cyclictest9-21ksoftirqd/021:49:520
1078899482,2cyclictest121rcu_preempt21:00:140
1078899481,2cyclictest121rcu_preempt22:55:270
134491470,4ptp4l0-21swapper/221:13:012
134491470,4ptp4l0-21swapper/120:45:261
134491470,4ptp4l0-21swapper/019:24:210
134491470,3ptp4l7901-21apache219:45:132
134491470,3ptp4l0-21swapper/200:32:572
1078899476,6cyclictest9-21ksoftirqd/019:45:200
10788994728,3cyclictest9-21ksoftirqd/020:15:240
1078899472,6cyclictest9-21ksoftirqd/000:05:150
1078899471,4cyclictest0-21swapper/022:05:200
1078899470,2cyclictest121rcu_preempt19:45:000
134491460,5ptp4l0-21swapper/119:10:001
134491460,4ptp4l0-21swapper/223:41:342
134491460,4ptp4l0-21swapper/221:18:042
134491460,3ptp4l0-21swapper/119:50:051
134491450,4ptp4l23779-21apt-get00:15:142
134491450,4ptp4l0-21swapper/120:00:371
134491450,3ptp4l0-21swapper/222:14:052
134491450,3ptp4l0-21swapper/119:48:131
1079199453,24cyclictest0-21swapper/323:08:543
1078899454,2cyclictest9-21ksoftirqd/020:10:000
10788994529,4cyclictest9-21ksoftirqd/022:25:230
134491440,9ptp4l0-21swapper/222:49:242
134491440,7ptp4l19361-21ls19:25:262
134491440,5ptp4l0-21swapper/300:15:163
134491440,4ptp4l0-21swapper/219:44:072
134491440,4ptp4l0-21swapper/121:42:181
134491440,3ptp4l30131-21apt-get23:20:122
134491440,3ptp4l0-21swapper/123:10:341
1079199441,2cyclictest137891phc2sys20:38:573
10789994439,3cyclictest25-21ksoftirqd/122:00:001
1078899443,3cyclictest9-21ksoftirqd/023:35:230
134491430,9ptp4l0-21swapper/223:49:452
134491430,9ptp4l0-21swapper/222:15:412
134491430,5ptp4l21133-21df23:00:141
134491430,4ptp4l0-21swapper/219:31:412
134491430,4ptp4l0-21swapper/119:41:251
134491430,3ptp4l0-21swapper/123:34:001
134491430,3ptp4l0-21swapper/122:58:211
134491430,3ptp4l0-21swapper/121:07:481
134491430,3ptp4l0-21swapper/120:34:451
134491430,3ptp4l0-21swapper/120:14:561
134491430,10ptp4l0-21swapper/200:00:172
10789994338,3cyclictest25-21ksoftirqd/123:54:591
134491420,9ptp4l0-21swapper/221:04:302
134491420,9ptp4l0-21swapper/220:07:372
134491420,9ptp4l0-21swapper/220:00:042
134491420,8ptp4l0-21swapper/200:26:472
134491420,7ptp4l0-21swapper/119:09:321
134491420,5ptp4l20100-21ntp_states00:05:261
134491420,4ptp4l6553-21df_inode21:20:151
134491420,4ptp4l28744-21users20:55:302
134491420,4ptp4l21478-21apt-get00:10:141
134491420,4ptp4l13279-21apt-get20:25:121
134491420,4ptp4l0-21swapper/120:58:451
134491420,4ptp4l0-21swapper/120:42:401
134491420,3ptp4l30342-21df23:20:131
134491420,3ptp4l0-21swapper/319:31:373
134491420,3ptp4l0-21swapper/123:45:271
1079199421,27cyclictest28899-21taskset19:46:243
1079199421,26cyclictest31938-21taskset23:22:023
10789994237,3cyclictest25-21ksoftirqd/122:15:001
134491410,8ptp4l0-21swapper/220:32:022
134491410,8ptp4l0-21swapper/219:58:232
134491410,4ptp4l5202-21diskstats23:35:161
134491410,4ptp4l17149-21irqstats22:50:202
134491410,4ptp4l14680-21diskstats23:55:171
134491410,4ptp4l0-21swapper/222:01:362
134491410,4ptp4l0-21swapper/222:01:362
134491410,4ptp4l0-21swapper/100:27:051
134491410,3ptp4l27666-21apt-get22:05:132
134491410,3ptp4l19441-21ls19:25:263
134491410,10ptp4l0-21swapper/321:18:223
134491400,8ptp4l0-21swapper/223:26:182
134491400,8ptp4l0-21swapper/222:59:072
134491400,5ptp4l15388-21sed20:30:012
134491400,5ptp4l0-21swapper/323:45:193
134491400,4ptp4l8944-21/usr/sbin/munin23:40:291
134491400,4ptp4l8364-21apt-get21:25:031
134491400,4ptp4l7511-21df_inode23:40:153
134491400,4ptp4l30676-21/usr/sbin/munin00:30:263
134491400,4ptp4l2759-21ntp_states21:10:251
134491400,4ptp4l0-21swapper/322:10:263
134491400,4ptp4l0-21swapper/320:10:173
134491400,4ptp4l0-21swapper/319:40:173
134491400,4ptp4l0-21swapper/319:15:263
134491400,4ptp4l0-21swapper/223:30:582
134491400,4ptp4l0-21swapper/223:05:112
134491400,4ptp4l0-21swapper/200:36:392
134491400,4ptp4l0-21swapper/122:30:101
134491400,4ptp4l0-21swapper/122:30:101
134491400,4ptp4l0-21swapper/122:15:181
134491400,3ptp4l32643-21apt-get23:25:131
134491400,3ptp4l26396-21df_inode00:20:171
134491400,3ptp4l0-21swapper/123:05:181
134491400,3ptp4l0-21swapper/121:50:251
10789994035,3cyclictest25-21ksoftirqd/100:40:011
134491390,6ptp4l41-21ksoftirqd/319:20:283
134491390,5ptp4l0-21swapper/320:31:543
134491390,5ptp4l0-21swapper/221:34:222
134491390,5ptp4l0-21swapper/219:36:012
134491390,4ptp4l18080-21df20:35:141
134491390,4ptp4l0-21swapper/322:25:263
134491390,4ptp4l0-21swapper/321:00:233
134491390,4ptp4l0-21swapper/300:35:263
134491390,4ptp4l0-21swapper/300:20:143
134491390,4ptp4l0-21swapper/300:08:043
134491390,4ptp4l0-21swapper/223:52:452
134491390,4ptp4l0-21swapper/223:12:192
134491390,4ptp4l0-21swapper/222:39:382
134491390,4ptp4l0-21swapper/222:29:462
134491390,4ptp4l0-21swapper/220:49:102
134491390,4ptp4l0-21swapper/220:22:202
134491390,4ptp4l0-21swapper/200:10:462
134491390,4ptp4l0-21swapper/200:08:302
134491390,4ptp4l0-21swapper/200:00:002
134491390,4ptp4l0-21swapper/121:30:161
134491390,4ptp4l0-21swapper/119:15:101
134491390,4ptp4l0-21swapper/100:15:221
134491390,4ptp4l0-21swapper/100:00:061
134491390,3ptp4l9477-21df_inode22:35:131
134491390,3ptp4l8373-21ls22:30:263
134491390,3ptp4l8373-21ls22:30:263
134491390,3ptp4l32634-21meminfo21:05:202
134491390,3ptp4l29819-21hddtemp_smartct21:00:171
134491380,4ptp4l4752-21cut21:15:191
134491380,4ptp4l11859-21fschecks_count22:40:161
134491380,4ptp4l0-21swapper/323:55:013
134491380,4ptp4l0-21swapper/323:26:493
134491380,4ptp4l0-21swapper/322:45:143
134491380,4ptp4l0-21swapper/322:44:523
134491380,4ptp4l0-21swapper/322:16:453
134491380,4ptp4l0-21swapper/321:52:293
134491380,4ptp4l0-21swapper/321:30:533
134491380,4ptp4l0-21swapper/321:20:413
134491380,4ptp4l0-21swapper/321:05:203
134491380,4ptp4l0-21swapper/320:58:483
134491380,4ptp4l0-21swapper/320:45:463
134491380,4ptp4l0-21swapper/320:42:443
134491380,4ptp4l0-21swapper/320:24:003
134491380,4ptp4l0-21swapper/319:59:423
134491380,4ptp4l0-21swapper/319:39:543
134491380,4ptp4l0-21swapper/223:16:012
134491380,4ptp4l0-21swapper/222:40:062
134491380,4ptp4l0-21swapper/222:20:162
134491380,4ptp4l0-21swapper/220:54:082
134491380,4ptp4l0-21swapper/220:40:442
134491380,4ptp4l0-21swapper/220:15:462
134491380,4ptp4l0-21swapper/219:52:212
134491380,4ptp4l0-21swapper/119:30:241
134491380,4ptp4l0-21swapper/119:25:381
134491380,4ptp4l0-21swapper/119:20:001
134491380,3ptp4l0-21swapper/321:40:163
134491380,3ptp4l0-21swapper/321:35:173
134491380,3ptp4l0-21swapper/320:25:203
134491380,3ptp4l0-21swapper/319:10:163
134491380,3ptp4l0-21swapper/221:50:102
134491380,3ptp4l0-21swapper/220:10:172
134491380,3ptp4l0-21swapper/122:51:431
10789993833,3cyclictest25-21ksoftirqd/122:25:191
10789993833,3cyclictest25-21ksoftirqd/121:45:161
134491370,4ptp4l0-21swapper/323:35:263
134491370,4ptp4l0-21swapper/322:03:123
134491370,4ptp4l0-21swapper/322:03:123
134491370,4ptp4l0-21swapper/321:26:553
134491370,4ptp4l0-21swapper/300:26:063
134491370,4ptp4l0-21swapper/221:47:442
134491370,3ptp4l0-21swapper/323:15:323
134491370,3ptp4l0-21swapper/323:00:253
134491370,3ptp4l0-21swapper/321:55:263
134491370,3ptp4l0-21swapper/221:55:152
134491370,3ptp4l0-21swapper/122:06:421
134491370,3ptp4l0-21swapper/120:15:151
10789993732,3cyclictest25-21ksoftirqd/122:00:261
10789993732,3cyclictest25-21ksoftirqd/122:00:251
134491360,5ptp4l0-21swapper/223:37:262
134491360,4ptp4l0-21swapper/320:52:383
1079199362,31cyclictest2318-21gnome-shell22:35:583
134491350,3ptp4l0-21swapper/322:58:483
1079199342,27cyclictest11860-21apt-get23:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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