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2025-12-06 - 15:53
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot8.osadl.org (updated Sat Dec 06, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252512887866,13sleep10-21swapper/107:08:131
253202714691,16sleep00-21swapper/007:08:520
25466995094,494cyclictest0-21swapper/007:10:020
2546699492397,88cyclictest0-21swapper/007:25:190
2546799475413,46cyclictest0-21swapper/107:10:021
2546799438373,22cyclictest31626-21memory07:25:191
216899900,5rtkit-daemon2167-21rtkit-daemon11:43:541
25466997339,28cyclictest0-21swapper/009:23:280
25466997221,32cyclictest78950irq/46-eth0-tx-09:55:510
25466997218,48cyclictest78950irq/46-eth0-tx-12:32:400
25466997137,29cyclictest0-21swapper/012:27:310
2546699712,62cyclictest25712-21latency_hist08:40:010
25466997113,52cyclictest24818-21ssh11:34:370
25466996948,16cyclictest0-21swapper/007:20:010
25466996947,16cyclictest0-21swapper/010:18:390
25466996935,29cyclictest0-21swapper/010:10:240
2546699693,60cyclictest9158-21ssh09:17:150
25466996920,31cyclictest78950irq/46-eth0-tx-09:11:190
2546699692,52cyclictest4245-21latency_hist11:55:010
2546699692,52cyclictest4200-21diskmemload11:25:350
308022680,8sleep1271ktimersoftd/109:54:171
25466996838,25cyclictest0-21swapper/010:05:120
2546699683,39cyclictest14108-21ssh09:25:220
2546699682,60cyclictest1427-21runrttasks09:44:030
25466996746,16cyclictest0-21swapper/011:15:260
25466996746,16cyclictest0-21swapper/010:30:200
25466996744,18cyclictest0-21swapper/011:45:200
2546699672,60cyclictest16301-21latency_hist10:25:020
2546699672,59cyclictest29910-21ssh09:51:320
25466996718,34cyclictest78950irq/46-eth0-tx-10:40:410
25466996643,18cyclictest0-21swapper/012:00:290
25466996643,18cyclictest0-21swapper/012:00:290
2546699663,36cyclictest30434-21ssh10:48:180
25466996629,28cyclictest0-21swapper/009:35:270
2546699662,58cyclictest17253-21munin-node09:30:270
2546699662,54cyclictest18433-21latency_hist08:20:010
2546699662,39cyclictest17406-21ssh12:16:270
2546699662,39cyclictest17406-21ssh12:16:270
147282660,2sleep1271ktimersoftd/111:15:301
2546699654,55cyclictest0-21swapper/011:09:040
2546699654,46cyclictest25117-21ssh10:40:000
25466996539,21cyclictest0-21swapper/012:40:000
2546699653,55cyclictest18523-21ssh11:23:140
2546699653,46cyclictest19075-21ssh10:29:360
25466996520,39cyclictest78950irq/46-eth0-tx-10:00:190
2546699652,57cyclictest28128-21latency_hist09:50:010
2546699652,45cyclictest6375-21ssh11:01:380
2546699652,38cyclictest29416-21ssh11:40:480
25467996446,12cyclictest0-21swapper/112:33:311
2546699644,55cyclictest0-21swapper/007:47:140
2546699644,50cyclictest0-21swapper/008:49:150
2546699643,55cyclictest4191-21crond09:10:000
25466996416,40cyclictest619-21sh10:52:250
25467996327,30cyclictest8102-21open_files12:00:251
25467996327,30cyclictest8102-21open_files12:00:251
2546699639,43cyclictest2389-21latency_hist09:05:010
2546699634,53cyclictest0-21swapper/007:57:440
2546699634,49cyclictest0-21swapper/008:24:450
25466996331,27cyclictest0-21swapper/010:57:580
2546699633,54cyclictest7733-21latency_hist07:50:020
2546699633,38cyclictest14722-21ssh12:11:590
25466996328,29cyclictest78950irq/46-eth0-tx-11:55:200
2546699632,42cyclictest26102-21ssh11:35:260
25467996245,11cyclictest0-21swapper/107:53:061
25467996233,23cyclictest22546-21aten_r1power_en09:40:131
25466996241,16cyclictest0-21swapper/012:20:140
2546699624,50cyclictest0-21swapper/008:00:440
25466996239,18cyclictest0-21swapper/011:10:120
2546699622,55cyclictest3424-21grep07:35:270
25466996213,44cyclictest78950irq/46-eth0-tx-12:08:300
25467996144,11cyclictest0-21swapper/107:48:271
25467996128,27cyclictest7855-21munin-node10:10:141
25467996126,29cyclictest10521-21ssh09:20:131
25467996123,31cyclictest78850irq/45-eth0-rx-10:35:211
2546699615,50cyclictest4475-21gltestperf07:40:160
2546699614,33cyclictest14830-21munin-run08:10:010
2546699612,53cyclictest27451-21crond08:45:000
25467996033,19cyclictest13273-21latency_hist11:15:011
25467996029,25cyclictest5698-21sensors_temp11:00:271
25467996029,25cyclictest27997-21memory12:35:371
25467996024,30cyclictest19863-21df_inode09:35:171
25467995937,16cyclictest23629-21runrttasks08:32:541
25467995937,15cyclictest13813-21munin-node12:10:221
25467995928,25cyclictest20054-21memory10:30:211
25466995939,15cyclictest0-21swapper/008:55:140
2546699593,50cyclictest984-21kernelversion07:30:200
2546699592,51cyclictest20938-21kernelversion08:25:190
25467995838,14cyclictest2183-21munin-run07:35:011
25467995835,18cyclictest0-21swapper/110:59:131
25467995833,19cyclictest22397-21proc_pri12:25:261
25467995830,22cyclictest25917-21munin-node11:35:231
25467995827,26cyclictest15694-21taskset09:28:251
25467995824,28cyclictest29731-21munin-node08:50:201
25467995822,30cyclictest78850irq/45-eth0-rx-09:57:131
25467995820,32cyclictest0-21swapper/110:25:331
216899580,4rtkit-daemon2167-21rtkit-daemon10:15:071
216899580,4rtkit-daemon2167-21rtkit-daemon09:48:521
216899580,4rtkit-daemon2167-21rtkit-daemon09:32:111
25467995738,14cyclictest25318-21ps10:40:121
2546699572,48cyclictest22198-21aten_r1power_cu08:30:140
216899570,5rtkit-daemon2167-21rtkit-daemon10:07:371
216899570,4rtkit-daemon2167-21rtkit-daemon11:06:481
25467995632,18cyclictest19260-21irqstats12:20:171
25467995631,19cyclictest0-21swapper/111:28:121
25467995630,20cyclictest23030-21ssh11:30:241
25467995630,18cyclictest1427-21runrttasks08:21:111
25467995629,21cyclictest31764-21iostat10:50:191
25467995627,24cyclictest7638-21gltestperf09:15:171
25467995627,23cyclictest31989-21timerandwakeup11:45:291
25467995625,25cyclictest12754-21runrttasks12:09:491
25467995621,30cyclictest0-21swapper/110:48:581
25466995634,17cyclictest0-21swapper/008:10:180
25466995624,27cyclictest78950irq/46-eth0-tx-08:53:210
2546799557,42cyclictest0-21swapper/107:18:211
25467995531,18cyclictest16209-21gltestperf12:15:151
25467995531,18cyclictest16209-21gltestperf12:15:151
25467995531,18cyclictest1184-21munin-node09:00:191
25467995531,17cyclictest2855-21munin-node07:35:191
25467995531,16cyclictest16926-21irqstats11:20:191
25467995530,19cyclictest20867-21munin-node08:25:181
25467995526,24cyclictest2912-21gltestperf09:05:171
25467995519,31cyclictest0-21swapper/110:01:371
25467995518,31cyclictest0-21swapper/107:20:171
25467995518,31cyclictest0-21swapper/107:20:171
216899550,4rtkit-daemon2167-21rtkit-daemon10:23:071
25467995440,8cyclictest11365-21aten_r1power_cu08:00:131
25467995439,10cyclictest15341-21gltestperf08:10:151
25467995430,18cyclictest10591-21munin-node07:55:271
25467995428,8cyclictest1427-21runrttasks11:57:571
25467995417,16cyclictest0-21swapper/111:50:131
2546699544,36cyclictest0-21swapper/007:24:440
2546699544,36cyclictest0-21swapper/007:24:440
25467995330,17cyclictest4484-21aten_r1power_po09:10:141
25467995330,17cyclictest27822-21munin-node08:45:161
25467995330,16cyclictest13329-21munin-node08:05:131
25467995320,27cyclictest5232-21grep07:40:251
216899530,5rtkit-daemon2167-21rtkit-daemon08:55:211
2546799526,39cyclictest0-21swapper/108:35:211
25467995231,16cyclictest25806-21munin-node08:40:121
25467995128,17cyclictest17096-21munin-node08:15:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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