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2026-07-01 - 20:49

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Phytec
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot5s.osadl.org (updated Wed Jul 01, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4149120995948,7cyclictest4155171-21grep07:25:181
4149125995545,6cyclictest1-21systemd08:08:072
4149128995041,6cyclictest4154317-21grep07:20:263
4149125995042,6cyclictest4190720-21kworker/u8:2+events_unbound09:13:182
4149116994938,7cyclictest32640-21grep10:50:250
4149128994635,8cyclictest4150932-21runrttasks07:15:013
4149120994435,6cyclictest4185683-21munin-run08:55:001
4149128994230,8cyclictest4156486-21idleruntime-cro07:30:013
4149128994211,6cyclictest0-21swapper/309:55:113
4149125994235,5cyclictest27934-21sh10:40:002
4149128994130,7cyclictest0-21swapper/309:30:393
4149120994130,7cyclictest0-21swapper/108:58:151
4149128994034,4cyclictest4176779-21kworker/u8:0+events_unbound08:43:133
4149128994034,4cyclictest12456-21kworker/u8:0+events_unbound10:43:373
4149128994029,5cyclictest4192645-21kworker/u8:1+events_unbound09:18:193
4149125994033,4cyclictest12606-21munin-plugin-st09:55:002
4149125994033,4cyclictest12606-21munin-plugin-st09:55:002
4149125994030,7cyclictest438-21cron12:10:002
4149125994030,7cyclictest36028-21grep11:00:242
4149116994034,4cyclictest36123-21kworker/u8:1+events_unbound11:03:400
4149128993929,6cyclictest0-21swapper/312:15:003
4149128993927,5cyclictest58939-21kworker/u8:1+events_unbound12:08:543
4149128993919,10cyclictest131rcu_preempt09:20:183
4149125993933,4cyclictest14301-21cron10:00:002
4149125993931,6cyclictest4163737-21kworker/u8:0+events_unbound07:53:062
4149120993930,6cyclictest204-21dbus-daemon12:28:571
4149120993930,5cyclictest14318-21sendmail10:00:001
4149128993832,4cyclictest39554-21kworker/u8:1+events_unbound11:43:523
4149128993829,6cyclictest0-21swapper/309:45:003
4149128993820,10cyclictest131rcu_preempt11:30:233
4149125993822,3cyclictest131rcu_preempt09:45:182
4149125993820,3cyclictest131rcu_preempt07:55:182
4149125993820,3cyclictest131rcu_preempt07:55:182
4149116993829,6cyclictest69515-21munin-run12:40:000
4149128993727,6cyclictest0-21swapper/310:55:003
4149128993726,8cyclictest36475-21debian-sa111:05:003
4149128993715,13cyclictest131rcu_preempt11:55:003
4149128993715,13cyclictest131rcu_preempt11:55:003
4149125993725,8cyclictest311ktimers/207:10:132
4149125993722,5cyclictest131rcu_preempt08:55:022
4149125993714,7cyclictest131rcu_preempt07:50:012
4149120993727,7cyclictest38552-21fschecks_count11:10:151
4149120993726,7cyclictest34349-21unixbench_singl10:55:251
4149128993630,4cyclictest62672-21kworker/u8:2+events_unbound12:23:583
4149128993630,4cyclictest62672-21kworker/u8:2+events_unbound12:23:583
4149128993630,4cyclictest4180233-21kworker/u8:2+events_unbound08:38:123
4149128993626,7cyclictest15565-21grep10:00:253
4149128993620,5cyclictest131rcu_preempt07:55:253
4149128993620,5cyclictest131rcu_preempt07:55:253
4149128993620,3cyclictest131rcu_preempt09:53:223
4149128993620,3cyclictest131rcu_preempt09:53:223
4149128993619,5cyclictest131rcu_preempt10:35:013
4149128993617,6cyclictest131rcu_preempt11:05:113
4149125993625,7cyclictest63927-21grep12:20:252
4149125993625,7cyclictest63927-21grep12:20:252
4149125993621,9cyclictest131rcu_preempt07:28:282
4149125993621,5cyclictest131rcu_preempt08:20:012
4149120993628,4cyclictest0-21swapper/111:38:481
4149116993618,14cyclictest4149110-21cyclictest07:50:140
4149128993527,6cyclictest55152-21kworker/u8:2+events_unbound11:58:533
4149128993527,6cyclictest55152-21kworker/u8:2+events_unbound11:58:533
4149128993525,7cyclictest4176724-21unixbench_singl08:25:273
4149128993515,6cyclictest131rcu_preempt07:30:113
4149125993527,6cyclictest4170548-21kworker/u8:3+events_unbound08:22:422
4149125993524,7cyclictest4185228-21grep08:50:262
4149125993520,9cyclictest131rcu_preempt09:33:212
4149125993519,10cyclictest131rcu_preempt11:50:182
4149125993519,10cyclictest131rcu_preempt11:50:172
4149125993517,3cyclictest131rcu_preempt11:45:112
4149120993528,4cyclictest24546-21idleruntime-cro10:30:011
4149120993527,6cyclictest231ktimers/112:05:111
414911699353,8cyclictest131rcu_preempt12:25:130
4149128993422,6cyclictest4170548-21kworker/u8:3+events_unbound08:17:413
4149128993418,9cyclictest131rcu_preempt12:40:013
4149128993417,5cyclictest12456-21kworker/u8:0+events_unbound10:36:163
414912599348,18cyclictest32-21ksoftirqd/208:37:072
4149125993425,4cyclictest0-21swapper/211:10:252
4149125993423,7cyclictest0-21swapper/210:25:172
4149125993418,7cyclictest55152-21kworker/u8:2+events_unbound11:59:272
4149125993418,7cyclictest55152-21kworker/u8:2+events_unbound11:59:272
4149125993416,12cyclictest131rcu_preempt07:43:112
4149125993414,9cyclictest131rcu_preempt11:05:192
4149116993427,3cyclictest0-21swapper/009:10:000
4149116993425,4cyclictest0-21swapper/008:55:290
4149128993324,6cyclictest4159871-21cron07:40:023
4149128993323,6cyclictest0-21swapper/312:34:593
4149128993323,5cyclictest0-21swapper/310:30:013
4149128993315,5cyclictest131rcu_preempt09:45:153
4149128993314,10cyclictest131rcu_preempt08:30:243
4149128993311,13cyclictest40-21ksoftirqd/312:25:163
4149128993310,11cyclictest40-21ksoftirqd/311:40:003
4149128993310,11cyclictest40-21ksoftirqd/307:15:263
4149128993310,10cyclictest131rcu_preempt09:25:253
4149125993317,3cyclictest131rcu_preempt10:24:262
4149116993326,3cyclictest0-21swapper/011:55:250
4149116993326,3cyclictest0-21swapper/011:55:250
4149116993324,5cyclictest208-21systemd-logind08:03:060
414912899329,13cyclictest131rcu_preempt11:45:243
414912899329,11cyclictest40-21ksoftirqd/310:20:233
4149128993226,4cyclictest4183776-21kworker/u8:2+events_unbound08:48:133
4149128993224,4cyclictest0-21swapper/311:15:253
4149128993224,4cyclictest0-21swapper/309:40:003
4149128993220,4cyclictest131rcu_preempt07:50:203
4149128993218,4cyclictest131rcu_preempt08:01:583
4149128993217,5cyclictest131rcu_preempt10:55:203
4149128993214,4cyclictest131rcu_preempt09:00:243
4149128993214,3cyclictest131rcu_preempt11:24:153
4149128993214,3cyclictest131rcu_preempt08:50:243
4149128993213,10cyclictest131rcu_preempt12:00:023
4149128993211,13cyclictest40-21ksoftirqd/307:40:253
414912599326,7cyclictest32-21ksoftirqd/208:35:012
414912599325,7cyclictest32-21ksoftirqd/211:15:242
414912599324,8cyclictest32-21ksoftirqd/207:15:052
4149125993220,4cyclictest131rcu_preempt08:29:232
4149125993218,4cyclictest131rcu_preempt12:15:402
4149125993218,4cyclictest131rcu_preempt12:15:402
4149125993214,9cyclictest131rcu_preempt09:23:482
4149125993214,3cyclictest131rcu_preempt07:33:302
4149120993223,6cyclictest4178444-21unixbench_singl08:30:261
4149120993223,5cyclictest0-21swapper/107:40:161
4149116993225,4cyclictest4194181-21unixbench_multi09:15:260
414912899319,12cyclictest40-21ksoftirqd/311:25:233
4149128993123,5cyclictest0-21swapper/309:10:263
4149128993116,4cyclictest131rcu_preempt08:10:263
4149128993113,11cyclictest131rcu_preempt09:05:173
4149128993110,12cyclictest40-21ksoftirqd/312:15:183
4149128993110,12cyclictest40-21ksoftirqd/312:15:183
4149128993110,12cyclictest40-21ksoftirqd/311:10:203
414912599314,8cyclictest32-21ksoftirqd/208:40:242
4149125993124,4cyclictest0-21swapper/210:55:252
4149125993122,6cyclictest4183566-21grep08:45:262
4149125993119,4cyclictest131rcu_preempt12:10:312
4149125993118,5cyclictest131rcu_preempt12:01:302
4149125993116,6cyclictest31053-21kworker/u8:1+events_unbound10:50:112
4149125993113,9cyclictest131rcu_preempt09:00:122
4149125993113,3cyclictest131rcu_preempt09:05:452
4149125993110,5cyclictest131rcu_preempt11:40:132
4149120993125,4cyclictest4165894-21kworker/u8:1+events_unbound07:58:051
4149120993125,4cyclictest4165894-21kworker/u8:1+events_unbound07:58:051
4149120993124,4cyclictest0-21swapper/111:05:001
4149120993123,5cyclictest4192934-21idleruntime-cro09:15:001
4149120993123,4cyclictest0-21swapper/112:15:171
4149120993123,4cyclictest0-21swapper/112:15:161
4149116993124,3cyclictest0-21swapper/007:55:260
4149116993124,3cyclictest0-21swapper/007:55:260
4149116993124,3cyclictest0-21swapper/007:40:160
4149116993122,6cyclictest41812-21sendmail11:20:000
4149116993120,8cyclictest0-21swapper/012:00:090
4149116993120,5cyclictest0-21swapper/011:28:470
414912899309,6cyclictest131rcu_preempt10:20:013
414912899308,19cyclictest391ktimers/310:05:453
414912899306,7cyclictest40-21ksoftirqd/308:20:173
4149128993018,4cyclictest131rcu_preempt07:45:223
4149128993017,5cyclictest4168257-21kworker/u8:0-events_freezable_power_08:05:253
4149128993013,7cyclictest40-21ksoftirqd/308:55:203
4149128993013,5cyclictest131rcu_preempt10:45:173
414912599307,7cyclictest32-21ksoftirqd/208:00:242
414912599307,6cyclictest32-21ksoftirqd/209:25:252
414912599305,7cyclictest32-21ksoftirqd/207:20:202
4149125993024,4cyclictest311ktimers/207:38:322
4149125993022,6cyclictest39554-21kworker/u8:1+events_unbound11:29:032
4149125993018,9cyclictest204-21dbus-daemon08:13:072
4149125993018,3cyclictest131rcu_preempt12:35:162
4149125993017,5cyclictest45009-21kworker/u8:0+events_unbound11:34:462
4149125993015,4cyclictest131rcu_preempt12:30:222
4149125993012,9cyclictest131rcu_preempt09:36:442
4149125993012,10cyclictest131rcu_preempt11:35:112
4149120993023,4cyclictest27953-21munin-plugin-st10:40:001
4149120993023,4cyclictest0-21swapper/108:00:281
4149120993022,5cyclictest0-21swapper/111:30:241
4149120993022,4cyclictest0-21swapper/110:20:011
4149116993024,4cyclictest4190720-21kworker/u8:2+events_unbound09:24:420
4149116993020,7cyclictest0-21swapper/008:30:010
4149116993020,6cyclictest0-21swapper/008:20:010
414912899297,15cyclictest40-21ksoftirqd/310:10:253
4149125992923,3cyclictest31360-21kthreadd10:50:002
4149125992920,6cyclictest311ktimers/210:00:132
4149125992919,6cyclictest0-21swapper/210:40:242
4149125992915,3cyclictest131rcu_preempt10:30:362
4149120992919,7cyclictest0-21swapper/111:55:001
4149120992919,7cyclictest0-21swapper/111:55:001
4149120992919,6cyclictest0-21swapper/112:23:571
4149120992919,6cyclictest0-21swapper/112:23:571
4149116992923,3cyclictest0-21swapper/011:05:260
4149116992921,4cyclictest0-21swapper/010:20:010
4149116992919,7cyclictest39877-21auditctl11:15:010
4149116992914,12cyclictest4149110-21cyclictest07:10:130
4149116992910,2cyclictest131rcu_preempt10:00:000
414912599287,4cyclictest18749-21switchtime10:10:242
414912599285,7cyclictest32-21ksoftirqd/209:15:182
4149125992820,5cyclictest20699-21unixbench_singl10:15:252
4149125992818,7cyclictest311ktimers/211:20:222
414912599281,7cyclictest32-21ksoftirqd/212:25:232
4149125992813,4cyclictest131rcu_preempt09:40:182
4149125992811,9cyclictest131rcu_preempt10:05:222
4149120992822,3cyclictest0-21swapper/108:40:241
4149120992820,4cyclictest0-21swapper/109:05:251
4149120992820,4cyclictest0-21swapper/108:35:171
4149120992818,7cyclictest0-21swapper/107:15:261
4149120992816,8cyclictest1-21systemd11:23:461
4149116992822,4cyclictest45009-21kworker/u8:0+events_unbound11:32:110
4149116992822,4cyclictest145-21jbd2/mmcblk1p2-811:50:210
4149116992822,4cyclictest145-21jbd2/mmcblk1p2-811:50:210
4149116992822,4cyclictest12784-21latency_hist09:55:010
4149116992822,4cyclictest12784-21latency_hist09:55:010
4149116992821,4cyclictest0-21swapper/008:35:260
4149116992820,4cyclictest0-21swapper/007:35:270
4149116992819,6cyclictest0-21swapper/009:45:260
4149120992720,4cyclictest0-21swapper/109:25:271
4149120992717,6cyclictest0-21swapper/107:40:011
414911699271,8cyclictest21708-21irqstats10:20:180
414911699271,22cyclictest0-21swapper/010:04:300
414911699271,10cyclictest51577-21grep11:45:260
4149120992620,4cyclictest8887-21kworker/u8:2+events_unbound09:45:181
4149120992620,3cyclictest0-21swapper/111:15:131
4149120992619,5cyclictest231ktimers/108:45:121
4149120992619,4cyclictest4150275-21tail07:10:251
4149120992618,5cyclictest0-21swapper/110:45:001
4149120992616,6cyclictest0-21swapper/112:30:261
4149116992620,4cyclictest0-21swapper/011:40:110
4149116992617,5cyclictest0-21swapper/012:05:250
4149116992616,6cyclictest0-21swapper/008:10:270
414911699261,4cyclictest4191558-21cstates09:10:140
4149120992519,3cyclictest0-21swapper/108:15:231
4149120992517,5cyclictest0-21swapper/110:20:261
4149120992515,6cyclictest0-21swapper/110:10:251
414911699256,6cyclictest131rcu_preempt12:15:000
4149116992518,5cyclictest4168257-21kworker/u8:0+events_unbound08:05:230
4149116992518,5cyclictest121ktimers/007:30:240
4149116992518,4cyclictest4156468-21cron07:30:010
4149116992518,3cyclictest0-21swapper/008:55:020
4149116992517,5cyclictest4162030-21kworker/u8:3+events_unbound07:45:220
4149120992418,4cyclictest10594-21kworker/u8:1+events_unbound09:50:181
4149120992418,4cyclictest10594-21kworker/u8:1+events_unbound09:50:181
4149120992418,3cyclictest0-21swapper/112:05:011
4149120992417,5cyclictest7120-21kworker/u8:1+events_unbound09:38:241
4149120992417,5cyclictest0-21swapper/109:00:251
4149120992417,4cyclictest0-21swapper/109:40:261
4149120992416,5cyclictest0-21swapper/111:05:211
4149120992415,6cyclictest0-21swapper/111:30:001
4149120992414,7cyclictest4773-21grep09:30:341
4149120992413,8cyclictest50188-21kworker/u8:0+events_unbound11:55:131
4149120992413,8cyclictest50188-21kworker/u8:0+events_unbound11:55:131
4149116992418,4cyclictest11-21ksoftirqd/012:15:110
4149116992418,4cyclictest11-21ksoftirqd/012:15:110
4149116992417,4cyclictest4149110-21cyclictest10:30:260
4149116992416,6cyclictest0-21swapper/010:55:250
414911699241,19cyclictest0-21swapper/012:21:460
414911699241,19cyclictest0-21swapper/012:21:460
4149120992317,3cyclictest0-21swapper/110:50:241
4149120992313,6cyclictest0-21swapper/109:20:001
4149116992318,3cyclictest4177885-21missed_timers08:30:210
4149116992316,4cyclictest13550irq/42-30be0000.ethernet09:30:390
4149116992315,5cyclictest121ktimers/012:30:120
4149116992315,5cyclictest0-21swapper/008:50:010
414911699231,18cyclictest0-21swapper/010:07:440
414911699231,18cyclictest0-21swapper/009:43:560
414911699231,18cyclictest0-21swapper/009:00:020
414911699231,18cyclictest0-21swapper/007:15:270
414911699230,19cyclictest0-21swapper/009:35:290
4149120992214,4cyclictest0-21swapper/108:10:001
414911699223,14cyclictest13550irq/42-30be0000.ethernet07:20:130
4149116992216,3cyclictest43104-21grep11:20:250
4149120992115,3cyclictest4153484-21fschecks_count07:20:161
4149120992114,4cyclictest0-21swapper/110:00:251
4149120992113,5cyclictest0-21swapper/107:45:251
4149120992112,5cyclictest0-21swapper/108:10:171
4149120992111,7cyclictest0-21swapper/111:45:161
4149120992110,7cyclictest0-21swapper/112:10:251
4149116992116,3cyclictest0-21swapper/010:45:220
4149116992114,5cyclictest121ktimers/008:20:210
4149116992111,7cyclictest47268-21df11:35:140
414911699210,19cyclictest0-21swapper/008:42:030
4149120992014,3cyclictest895-21/usr/sbin/munin09:20:121
4149120992013,4cyclictest69666-21latency_hist12:40:011
4149120992013,4cyclictest231ktimers/110:30:171
4149120992012,5cyclictest0-21swapper/110:05:241
4149120992011,6cyclictest4156801-21ls07:30:131
4149120992010,7cyclictest4164440-21which07:50:251
4149120992010,7cyclictest0-21swapper/108:25:261
414911699209,8cyclictest26654-21fschecks_time10:35:160
4149120991914,3cyclictest4174321-21interrupts08:20:181
4149120991913,4cyclictest48867-21/usr/sbin/munin11:40:211
4149116991912,5cyclictest121ktimers/010:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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