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2026-05-31 - 13:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack7slot2.osadl.org (updated Sun May 31, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2611779997925,30cyclictest0-21swapper/000:10:180
2611779997828,29cyclictest0-21swapper/023:45:340
2611779997635,39cyclictest2766108-21fschecks_count23:30:180
2611779997629,28cyclictest0-21swapper/023:10:220
2611779997335,35cyclictest2765579-21latency_hist23:30:020
2611779997259,9cyclictest37-21kcompactd022:58:230
2611779997018,33cyclictest2700089-21aten_r7power_vo22:15:160
2611779997018,33cyclictest2700089-21aten_r7power_vo22:15:160
261177999694,44cyclictest2674579-21ssh21:45:350
2611779996656,7cyclictest2610502-21kworker/u4:4+events_unbound21:17:530
2611779996634,29cyclictest2614716-21df_abs19:20:160
261177999662,60cyclictest2692016-21ssh22:05:330
261177999662,60cyclictest2692016-21ssh22:05:330
261177999644,52cyclictest2805932-21ssh00:15:360
2611779996431,31cyclictest2637974-21fschecks_time20:50:230
2611781996355,5cyclictest2702045-21kworker/u4:5+events_unbound22:18:051
2611781996355,5cyclictest2702045-21kworker/u4:5+events_unbound22:18:051
2611779996356,5cyclictest2785629-21kworker/u4:13+events_unbound00:03:150
261177999633,55cyclictest2642988-21ssh21:10:200
2611779996333,27cyclictest0-21swapper/023:20:290
2611779996333,26cyclictest2670052-21diskmemload21:40:300
2611779996228,31cyclictest0-21swapper/000:35:340
261177999621,56cyclictest2651777-21apt-get21:20:170
261177999614,51cyclictest2713912-21ntpq22:30:340
2611779996132,27cyclictest2706518-21kworker/u4:12-rpciod22:25:320
2611779996129,25cyclictest2719809-21kworker/u4:0-rpciod22:45:020
2611779996128,30cyclictest2687969-21xargs22:00:390
2611779996126,32cyclictest0-21swapper/023:40:350
261177999612,55cyclictest2730551-21apt-get22:50:220
261177999612,55cyclictest2730551-21apt-get22:50:220
261177999612,51cyclictest2718294-21ntpq22:35:350
261177999603,54cyclictest2740005-21ntpq23:00:250
261177999603,52cyclictest2612508-21ntpq19:10:250
2611779996032,26cyclictest2783897-21fschecks_time23:50:240
2611779996032,25cyclictest2641311-21kworker/u4:1121:05:000
2611779996029,28cyclictest2627556-21fschecks_time20:10:180
2611779996027,28cyclictest0-21swapper/019:45:160
261177999602,55cyclictest2726944-21ntpq22:45:310
261177999602,53cyclictest2656967-21ssh21:25:340
261177999602,51cyclictest2632377-21apt-get20:30:100
261177999602,49cyclictest2788621-21ntpq23:55:360
2611779996024,32cyclictest0-21swapper/020:20:370
2611781995952,5cyclictest2765828-21ssh23:30:141
2611779995928,28cyclictest2619936-21fschecks_time19:40:200
2611779995927,28cyclictest2676036-21kworker/u4:5-rpciod21:55:270
2611779995925,31cyclictest0-21swapper/023:15:330
261177999592,52cyclictest2696464-21ssh22:10:370
2611779995922,34cyclictest2774342-21sendmail23:40:010
261177999591,42cyclictest2818341-21diskstats00:30:170
2611781995832,22cyclictest2664875-21ssh21:35:111
261177999586,46cyclictest2810183-21ld00:20:290
261177999584,46cyclictest2744377-21ntpq23:05:240
2611779995831,24cyclictest2702043-21kworker/u4:2+rpciod22:20:210
2611779995830,26cyclictest2642368-21timerandwakeup21:05:360
261177999581,52cyclictest2618533-21df_inode19:35:160
261177999581,47cyclictest2664870-21apt-get21:35:110
261177999581,40cyclictest2661212-21ntpq21:30:270
2611779995729,25cyclictest0-21swapper/021:50:270
261177999572,52cyclictest2625292-21ntpq20:00:270
261177999572,35cyclictest2629683-21modprobe20:20:000
261177999571,52cyclictest2616424-21ntpq19:25:320
261177999571,39cyclictest2814390-21ssh00:25:260
261177999571,39cyclictest2814390-21ssh00:25:260
261177999571,39cyclictest2624077-21ntp_states19:55:350
261177999561,48cyclictest2636298-21apt-get20:45:130
2611781995533,12cyclictest2805929-21ntp_states00:15:361
261177999553,48cyclictest2635026-21apt-get20:40:200
261177999552,50cyclictest2617590-21ntpq19:30:250
261177999552,50cyclictest2617590-21ntpq19:30:250
261177999552,49cyclictest2631737-21ntpq20:25:300
261177999552,47cyclictest2613199-21apt-get19:15:100
2611781995445,7cyclictest2639745-21switchtime20:55:371
2611781995434,16cyclictest2670119-21ssh21:40:331
261177999542,48cyclictest2639512-21ntpq20:55:280
261177999542,48cyclictest2626555-21ntpq20:05:270
261177999542,48cyclictest2622784-21ntpq19:50:320
261177999542,48cyclictest2622784-21ntpq19:50:320
261177999541,37cyclictest2797663-21ssh00:05:430
2611781995337,11cyclictest2779027-21ssh23:45:131
261177999531,49cyclictest2633877-21/usr/sbin/munin20:35:190
2611781995244,5cyclictest2722625-21ntp_offset22:40:321
2611781995244,5cyclictest2713406-21fschecks_count22:30:201
2611781995238,5cyclictest2788622-21ssh23:55:361
2611781995143,6cyclictest2674679-21sendmail_mailqu21:45:381
2611781995124,4cyclictest2657494-21ssh21:25:441
2611781995043,5cyclictest2814123-21fschecks_time00:25:211
2611781995043,5cyclictest2814123-21fschecks_time00:25:211
2611781995043,5cyclictest2683115-21ntp_kernel_pll_21:55:241
2611781995042,6cyclictest378-21dbus-daemon22:03:011
2611781995042,5cyclictest0-21swapper/121:50:231
2611781995040,8cyclictest0-21swapper/121:20:171
2611781995039,8cyclictest2774473-21latency_hist23:40:021
2611781995038,10cyclictest2753365-21ntp_offset23:15:321
2611781994940,7cyclictest53-21kswapd023:10:011
2611781994934,10cyclictest2775350-21ntpq23:40:261
2611781994931,11cyclictest2730612-21ssh22:50:221
2611781994931,11cyclictest2730612-21ssh22:50:221
2611781994841,5cyclictest2712774-21latency_hist22:30:011
2611781994841,5cyclictest2691341-21aten_r7power_vo22:05:171
2611781994841,5cyclictest2691341-21aten_r7power_vo22:05:161
2611781994841,5cyclictest2624640-21cat20:00:011
2611781994840,6cyclictest2796695-21df_abs00:05:221
2611781994839,5cyclictest0-21swapper/121:10:291
2611781994838,8cyclictest2822730-21sh00:35:201
2611781994838,8cyclictest2627471-21df_abs20:10:161
2611781994837,8cyclictest2614793-21fschecks_count19:20:181
2611781994832,11cyclictest2620176-21ntpq19:40:271
2611781994740,5cyclictest2810161-21ssh00:20:291
2611781994740,5cyclictest2718556-21timerandwakeup22:35:391
2611781994740,5cyclictest2611778-21cyclictest20:50:401
2611781994740,5cyclictest1073-21snmpd20:45:181
2611781994739,5cyclictest2627098-21sh20:10:001
2611781994737,8cyclictest2641830-21fschecks_time21:05:191
2611781994737,8cyclictest2619571-21latency_hist19:40:011
2611781994640,4cyclictest0-21swapper/121:35:021
2611781994639,5cyclictest2622980-21switchtime19:50:381
2611781994639,5cyclictest2622980-21switchtime19:50:371
2611781994637,7cyclictest2704477-21aten_r7power_po22:20:171
2611781994635,9cyclictest2695822-21df_abs22:10:181
2611781994630,13cyclictest2735736-21ntpq22:55:331
2611781994629,12cyclictest2818993-21ps00:30:371
2611781994629,11cyclictest2647445-21ssh21:15:191
2611781994627,15cyclictest2748997-21ssh23:10:341
261177999462,38cyclictest2611867-21ls19:10:020
2611781994535,8cyclictest2641396-21latency_hist21:05:011
2611781994535,8cyclictest2612292-21gltestperf19:10:191
2611781994531,10cyclictest2635603-21ntpq20:40:311
2611781994526,15cyclictest2756986-21apt-get23:20:121
2611781994438,4cyclictest2761579-21aten_r7power_vo23:25:171
2611781994437,5cyclictest2792187-21aten_r7power_en00:00:151
2611781994437,5cyclictest2621198-21fschecks_time19:45:191
2611781994437,5cyclictest2611778-21cyclictest19:27:381
2611781994434,8cyclictest0-21swapper/100:10:211
2611781994434,7cyclictest2631298-21sed20:25:171
2611781994433,8cyclictest0-21swapper/122:45:161
2611781994427,14cyclictest2740281-21ps23:00:381
2611781994410,13cyclictest2786324-21ssh23:53:121
2611781994336,5cyclictest2613613-21gltestperf19:15:201
2611781994235,5cyclictest2628741-21df_abs20:15:161
2611781994232,7cyclictest0-21swapper/120:35:371
2611781994232,7cyclictest0-21swapper/119:30:391
2611781994232,7cyclictest0-21swapper/119:30:391
2611781994132,6cyclictest0-21swapper/120:20:271
2611781994027,10cyclictest2632990-21ntpq20:30:261
2611781993933,4cyclictest2611789-21grep19:10:011
2611781993832,4cyclictest2624746-21aten2__20:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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