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2026-07-31 - 04:40

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #6

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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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot6s.osadl.org (updated Fri Jul 31, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4107474997539,8cyclictest0-21swapper/121:35:301
4107474997535,9cyclictest0-21swapper/122:00:301
4107474997320,20cyclictest4158368-21/usr/sbin/munin00:05:211
4107472995442,9cyclictest4159004-21sh00:09:590
4107472995346,4cyclictest167350irq/118-8000000.ethernet-tx019:20:270
4107472995234,15cyclictest167350irq/118-8000000.ethernet-tx023:30:240
4107472995234,15cyclictest167350irq/118-8000000.ethernet-tx023:30:240
4107474995116,14cyclictest4161837-21/usr/sbin/munin00:25:221
4107472995139,9cyclictest1660-21snmpd19:55:140
410747299513,8cyclictest4149557-21/usr/sbin/munin23:10:300
4107474995033,12cyclictest0-21swapper/121:20:301
4107474995014,11cyclictest4155829-21/usr/sbin/munin23:50:171
4107474994939,7cyclictest4136877-21sendmail22:00:001
410747799481,29cyclictest0-21swapper/219:10:012
4107474994837,6cyclictest0-21swapper/120:55:311
4107474994832,10cyclictest0-21swapper/123:25:311
410747299484,40cyclictest0-21swapper/021:20:270
410747299481,37cyclictest0-21swapper/019:35:010
4107472994740,4cyclictest0-21swapper/019:25:290
4107472994736,6cyclictest4139681-21latency_hist22:15:010
4107472994730,10cyclictest4153839-21grep23:35:290
410747299472,8cyclictest4162989-21meminfo00:30:250
410747299471,4cyclictest0-21swapper/020:45:280
410747299465,9cyclictest4114903-21grep19:50:180
4107472994639,4cyclictest167350irq/118-8000000.ethernet-tx023:45:290
410747299462,8cyclictest4126846-21/usr/sbin/munin21:00:200
4107477994532,6cyclictest0-21swapper/223:35:012
4107477994532,6cyclictest0-21swapper/223:35:012
410747499458,26cyclictest4108295-21munin-node19:15:011
4107474994533,8cyclictest0-21swapper/100:10:341
4107474994527,12cyclictest0-21swapper/120:10:291
4107472994537,6cyclictest0-21swapper/020:40:160
410747299453,5cyclictest4134667-21meminfo21:45:260
4107472994535,7cyclictest4121322-21munin-plugin-st20:30:010
4107472994535,7cyclictest4121322-21munin-plugin-st20:30:000
4107472994534,7cyclictest4147965-21grep23:00:330
4107477994431,9cyclictest0-21swapper/221:55:302
410747799441,35cyclictest0-21swapper/223:40:002
4107474994431,8cyclictest0-21swapper/119:15:301
4107474994428,10cyclictest0-21swapper/121:00:291
4107472994437,4cyclictest274-21systemd-journal21:00:000
4107472994434,5cyclictest0-21swapper/020:00:270
4107472994434,5cyclictest0-21swapper/020:00:260
4107472994431,9cyclictest0-21swapper/022:25:290
4107472994425,17cyclictest0-21swapper/019:10:110
4107477994336,5cyclictest4129058-21unixbench_singl21:10:302
4107477994334,5cyclictest4128199-21unixbench_singl21:05:282
4107477994334,5cyclictest0-21swapper/223:50:012
4107477994333,4cyclictest0-21swapper/200:00:292
4107477994328,12cyclictest311ktimers/222:10:112
4107474994329,8cyclictest0-21swapper/100:00:311
4107472994334,6cyclictest0-21swapper/000:25:340
4107472994334,4cyclictest20850irq/208-8000000.ethernet21:35:300
4107472994332,8cyclictest4151302-21grep23:20:280
4107472994331,8cyclictest4157267-21grep23:55:310
4107472994325,14cyclictest131ktimers/022:45:120
410747299432,4cyclictest4137243-21diskstats22:00:180
410747299431,5cyclictest4140963-21cut22:20:260
410747299431,36cyclictest0-21swapper/020:20:020
4107477994234,4cyclictest4123860-21munin-plugin-st20:45:012
4107477994233,6cyclictest4146990-21grep22:55:312
4107477994232,7cyclictest4135831-21grep21:50:292
4107477994231,6cyclictest0-21swapper/219:15:302
4107477994227,8cyclictest0-21swapper/200:30:302
4107472994235,4cyclictest167350irq/118-8000000.ethernet-tx022:05:210
4107472994235,4cyclictest167350irq/118-8000000.ethernet-tx000:05:000
4107472994232,5cyclictest23850irq/422-mmc100:15:330
410747299421,4cyclictest4114225-21meminfo19:45:230
4107477994124,8cyclictest0-21swapper/222:35:212
4107474994133,5cyclictest4117831-21unixbench_multi20:05:291
4107474994130,8cyclictest0-21swapper/123:45:291
4107474994130,7cyclictest0-21swapper/120:50:281
4107474994129,8cyclictest0-21swapper/100:20:001
4107474994128,8cyclictest4116245-21sendmail20:00:001
4107474994128,8cyclictest0-21swapper/119:25:291
4107474994126,9cyclictest0-21swapper/119:35:011
4107474994126,10cyclictest0-21swapper/122:50:281
410747299415,9cyclictest4156180-21cut23:50:260
4107472994130,5cyclictest0-21swapper/021:05:200
4107472994128,9cyclictest4147106-21apt-get23:00:010
410747299411,5cyclictest4113637-21munin-run19:45:010
410747299411,4cyclictest4154452-21meminfo23:40:250
4107477994028,8cyclictest0-21swapper/222:00:292
410747499406,26cyclictest0-21swapper/120:35:291
4107474994029,7cyclictest0-21swapper/123:30:291
4107474994029,7cyclictest0-21swapper/123:30:291
4107474994028,8cyclictest0-21swapper/123:55:291
4107474994027,9cyclictest0-21swapper/121:50:001
4107474994026,10cyclictest0-21swapper/121:30:301
4107472994033,4cyclictest19750irq/27-20000000.i2c20:20:010
4107472994031,6cyclictest4146151-21grep22:50:290
4107472994031,5cyclictest0-21swapper/021:15:290
4107472994029,6cyclictest0-21swapper/022:15:200
4107472994027,10cyclictest0-21swapper/023:05:320
4107472994027,10cyclictest0-21swapper/023:05:320
4107477993934,2cyclictest0-21swapper/223:00:012
4107477993930,5cyclictest4150564-21munin-plugin-st23:20:002
4107477993929,5cyclictest0-21swapper/220:30:012
4107477993929,5cyclictest0-21swapper/220:30:012
4107477993929,5cyclictest0-21swapper/219:15:022
4107477993929,4cyclictest0-21swapper/200:05:232
4107474993925,9cyclictest0-21swapper/120:25:281
4107474993925,9cyclictest0-21swapper/120:25:281
4107474993924,10cyclictest0-21swapper/123:10:301
4107472993933,4cyclictest0-21swapper/022:40:250
4107472993933,4cyclictest0-21swapper/021:55:210
4107472993932,3cyclictest4159844-21latency_hist00:15:020
4107472993930,6cyclictest4134114-21grep21:40:290
4107472993925,9cyclictest0-21swapper/022:35:280
4107472993925,7cyclictest4161600-21grep00:20:300
410747299391,4cyclictest0-21swapper/021:25:140
410747299391,36cyclictest0-21swapper/023:15:240
4107477993827,6cyclictest0-21swapper/200:15:202
4107477993822,10cyclictest0-21swapper/221:35:202
4107477993822,10cyclictest0-21swapper/221:20:012
4107474993826,8cyclictest0-21swapper/123:00:011
4107474993825,8cyclictest0-21swapper/122:30:291
4107474993825,8cyclictest0-21swapper/119:45:271
4107474993823,9cyclictest0-21swapper/100:35:291
4107474993823,9cyclictest0-21swapper/100:35:291
4107474993822,8cyclictest0-21swapper/121:50:211
4107474993820,9cyclictest0-21swapper/122:05:301
410747499381,29cyclictest4139380-21unixbench_multi22:10:291
4107472993832,4cyclictest0-21swapper/020:50:190
4107472993827,8cyclictest0-21swapper/020:35:280
4107472993824,9cyclictest0-21swapper/021:35:000
4107472993824,5cyclictest0-21swapper/019:19:590
4107472993824,10cyclictest0-21swapper/020:05:190
4107472993821,15cyclictest0-21swapper/000:35:150
4107472993821,15cyclictest0-21swapper/000:35:150
410747299381,35cyclictest0-21swapper/021:50:130
4107477993730,4cyclictest167550irq/134-8000000.ethernet-tx220:05:112
4107477993728,6cyclictest311ktimers/219:55:132
4107477993728,5cyclictest4122162-21munin-plugin-st20:35:002
4107477993727,6cyclictest4154731-21grep23:40:292
4107477993726,7cyclictest311ktimers/200:10:172
4107477993725,8cyclictest0-21swapper/222:50:302
4107477993724,9cyclictest4149079-21sshd23:10:132
4107474993723,9cyclictest0-21swapper/121:15:331
410747499372,28cyclictest0-21swapper/121:25:301
4107474993721,8cyclictest0-21swapper/123:00:331
4107474993711,17cyclictest4133525-21/usr/sbin/munin21:40:181
4107472993731,4cyclictest0-21swapper/020:10:120
4107472993727,5cyclictest19750irq/27-20000000.i2c20:30:220
410747799365,7cyclictest0-21swapper/221:50:022
4107477993628,4cyclictest0-21swapper/223:25:222
4107477993627,4cyclictest0-21swapper/222:25:192
4107477993626,6cyclictest0-21swapper/223:20:282
4107477993625,7cyclictest311ktimers/220:20:132
4107477993625,7cyclictest0-21swapper/220:15:192
4107477993624,9cyclictest311ktimers/219:50:132
4107477993624,8cyclictest0-21swapper/220:50:272
4107474993626,6cyclictest0-21swapper/120:45:281
4107474993623,9cyclictest0-21swapper/122:35:271
410747299361,33cyclictest0-21swapper/023:25:030
410747299361,33cyclictest0-21swapper/019:35:330
4107477993526,4cyclictest0-21swapper/220:45:192
4107474993527,4cyclictest0-21swapper/123:45:011
4107474993525,5cyclictest0-21swapper/119:20:211
4107477993427,4cyclictest0-21swapper/200:24:592
4107477993426,4cyclictest167550irq/134-8000000.ethernet-tx222:05:132
4107477993426,4cyclictest0-21swapper/223:50:282
4107477993424,6cyclictest0-21swapper/220:59:592
4107477993422,6cyclictest0-21swapper/221:20:212
410747499346,15cyclictest14-21rcu_preempt23:35:021
4107474993427,4cyclictest4145410-21munin-plugin-st22:50:011
4107474993426,5cyclictest0-21swapper/120:15:271
4107474993423,7cyclictest0-21swapper/100:30:301
4107474993422,8cyclictest0-21swapper/121:10:291
410747299341,9cyclictest0-21swapper/021:15:010
4107477993325,5cyclictest0-21swapper/220:00:212
4107477993325,5cyclictest0-21swapper/220:00:202
4107477993325,5cyclictest0-21swapper/219:25:272
4107477993323,6cyclictest0-21swapper/220:35:292
4107477993311,16cyclictest167550irq/134-8000000.ethernet-tx200:35:262
4107477993311,16cyclictest167550irq/134-8000000.ethernet-tx200:35:262
4107474993323,7cyclictest0-21swapper/119:40:241
4107474993322,7cyclictest0-21swapper/122:25:291
4107474993321,8cyclictest0-21swapper/119:35:281
4107472993327,4cyclictest20850irq/208-8000000.ethernet22:30:160
4107477993225,4cyclictest167550irq/134-8000000.ethernet-tx219:20:102
4107477993224,4cyclictest0-21swapper/223:05:312
4107477993224,4cyclictest0-21swapper/223:05:312
4107477993220,8cyclictest311ktimers/221:40:142
4107477993219,8cyclictest0-21swapper/221:30:262
4107477993219,5cyclictest0-21swapper/219:50:012
410747799321,2cyclictest0-21swapper/222:50:022
4107474993225,5cyclictest231ktimers/122:15:261
4107474993222,7cyclictest0-21swapper/120:40:281
4107474993221,7cyclictest0-21swapper/120:00:291
4107474993221,7cyclictest0-21swapper/120:00:291
4107474993219,8cyclictest0-21swapper/122:45:011
410747299321,3cyclictest0-21swapper/019:10:000
4107477993121,5cyclictest0-21swapper/222:40:302
4107477993111,11cyclictest32-21ksoftirqd/222:35:012
4107474993119,7cyclictest0-21swapper/119:50:181
410747499311,24cyclictest0-21swapper/123:05:181
410747499311,24cyclictest0-21swapper/123:05:181
4107477993023,4cyclictest0-21swapper/200:25:322
4107477993022,4cyclictest4157260-21head23:55:312
4107477993021,4cyclictest0-21swapper/219:35:252
4107477993014,12cyclictest311ktimers/220:10:132
4107474993020,5cyclictest0-21swapper/122:20:281
4107474993019,8cyclictest0-21swapper/123:15:321
410747499301,26cyclictest4161228-21if_eth000:20:231
410747499301,24cyclictest0-21swapper/121:05:161
4107477992920,6cyclictest0-21swapper/222:15:272
410747799291,26cyclictest0-21swapper/221:25:182
4107474992920,4cyclictest0-21swapper/123:20:281
4107477992821,5cyclictest1660-21snmpd22:20:452
4107477992818,5cyclictest0-21swapper/219:35:002
4107477992716,7cyclictest0-21swapper/219:40:172
4107474992721,3cyclictest0-21swapper/120:35:011
410747499271,24cyclictest0-21swapper/120:20:281
4107477992619,3cyclictest0-21swapper/221:00:292
4107474992214,5cyclictest0-21swapper/119:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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