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2026-06-01 - 15:22

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 the 792 highest latencies:
System rackeslot6s.osadl.org (updated Mon Jun 01, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14620189910068,22cyclictest231ktimers/121:20:001
1462018998816,34cyclictest22-21rcuc/121:20:181
146201999874,54cyclictest0-21swapper/200:20:022
146201999874,54cyclictest0-21swapper/200:20:022
1462019998014,19cyclictest1495763-21/usr/sbin/munin22:25:192
1462019998014,19cyclictest1495763-21/usr/sbin/munin22:25:192
1462019996618,12cyclictest1489558-21apt-get21:50:012
146201899658,28cyclictest24-21ksoftirqd/122:50:201
146201599652,31cyclictest0-21swapper/020:35:030
1462018996357,4cyclictest231ktimers/121:10:011
1462018996357,4cyclictest231ktimers/121:10:011
1462015996023,7cyclictest0-21swapper/020:15:210
1462019995851,5cyclictest0-21swapper/221:30:022
1462015995625,27cyclictest0-21swapper/000:25:290
146201599554,38cyclictest0-21swapper/021:20:180
1462015995345,5cyclictest167350irq/118-8000000.ethernet-tx021:15:010
1462015995345,5cyclictest167350irq/118-8000000.ethernet-tx021:15:010
1462018995044,3cyclictest231ktimers/121:05:011
1462015995042,4cyclictest167350irq/118-8000000.ethernet-tx000:10:190
1462019994937,7cyclictest0-21swapper/220:20:002
1462018994935,9cyclictest0-21swapper/123:10:271
1462015994935,5cyclictest20650irq/252-8000000.ethernet19:15:010
1462015994931,15cyclictest167350irq/118-8000000.ethernet-tx022:25:220
1462015994931,15cyclictest167350irq/118-8000000.ethernet-tx022:25:220
1462019994835,10cyclictest1467345-21apt-get19:39:592
1462018994838,6cyclictest1473328-21munin-plugin-st20:15:011
1462018994833,8cyclictest0-21swapper/122:25:001
1462018994831,9cyclictest1498176-21munin-plugin-st22:39:591
1462015994841,4cyclictest0-21swapper/022:00:000
1462015994840,4cyclictest167350irq/118-8000000.ethernet-tx022:40:220
1462015994840,4cyclictest167350irq/118-8000000.ethernet-tx022:40:220
1462015994739,4cyclictest0-21swapper/000:15:160
1462015994739,4cyclictest0-21swapper/000:15:160
146201599472,3cyclictest1517018-21wc00:35:010
1462015994715,4cyclictest1478051-21sh20:40:220
1462015994715,26cyclictest14-21rcu_preempt00:25:000
1462018994639,4cyclictest1516981-21cron00:35:011
1462015994636,7cyclictest1506622-21munin-plugin-st23:29:590
146201599462,4cyclictest1506878-21df23:30:160
146201599461,7cyclictest1489330-21ptp4l21:45:280
146201599461,43cyclictest0-21swapper/020:35:100
1462019994537,5cyclictest1508304-21munin-plugin-st23:40:012
1462019994533,8cyclictest0-21swapper/220:30:002
1462019994526,11cyclictest0-21swapper/220:10:282
1462018994533,7cyclictest0-21swapper/122:40:271
1462018994533,7cyclictest0-21swapper/122:40:271
1462015994538,5cyclictest1493866-21munin-plugin-st22:14:590
1462015994527,15cyclictest167350irq/118-8000000.ethernet-tx023:45:000
1462015994436,5cyclictest1490492-21munin-plugin-st21:55:010
1462015994435,6cyclictest20650irq/252-8000000.ethernet23:20:270
146201599443,4cyclictest1466009-21fschecks_time19:30:210
146201599443,4cyclictest1466009-21fschecks_time19:30:210
1462015994432,9cyclictest0-21swapper/023:10:010
1462015994432,8cyclictest1486896-21grep21:30:280
1462015994431,9cyclictest0-21swapper/019:40:010
1462015994422,20cyclictest20650irq/252-8000000.ethernet23:35:140
1462019994333,7cyclictest1479231-21unixbench_multi20:45:302
1462018994335,4cyclictest0-21swapper/123:00:291
1462018994332,7cyclictest1509933-21grep23:45:281
1462018994328,11cyclictest0-21swapper/119:20:291
1462018994325,12cyclictest0-21swapper/123:15:261
146201599432,5cyclictest1494674-21users22:15:290
146201599432,5cyclictest1494674-21users22:15:280
1462018994232,6cyclictest1468201-21unixbench_singl19:40:281
1462018994228,9cyclictest0-21swapper/120:00:301
1462018994228,9cyclictest0-21swapper/120:00:301
1462018994224,13cyclictest0-21swapper/122:05:291
1462015994236,3cyclictest0-21swapper/019:55:100
1462015994227,11cyclictest0-21swapper/020:50:010
1462015994226,11cyclictest0-21swapper/020:20:230
146201599421,39cyclictest0-21swapper/022:20:260
146201599421,38cyclictest0-21swapper/023:55:190
146201599421,36cyclictest0-21swapper/021:10:010
1462019994130,5cyclictest0-21swapper/221:10:282
1462019994130,5cyclictest0-21swapper/221:10:282
1462018994131,6cyclictest1501475-21grep22:55:291
1462018994130,8cyclictest1517816-21grep00:35:291
1462018994128,8cyclictest0-21swapper/120:25:291
1462015994133,5cyclictest1468271-21munin-plugin-st19:45:010
146201599412,35cyclictest1483754-21apt-get21:15:180
146201599411,4cyclictest1480821-21/usr/sbin/munin20:55:270
146201599411,37cyclictest1488426-21phc2sys-jitter21:40:280
146201599411,36cyclictest0-21swapper/019:15:020
1462019994032,5cyclictest0-21swapper/219:15:002
1462019994028,8cyclictest0-21swapper/221:50:282
146201899403,8cyclictest0-21swapper/100:15:001
1462018994028,8cyclictest231ktimers/121:35:091
1462018994028,8cyclictest231ktimers/121:35:091
1462018994028,6cyclictest1465578-21grep19:25:301
1462018994026,9cyclictest0-21swapper/119:45:291
146201899401,32cyclictest0-21swapper/122:11:221
1462015994033,4cyclictest0-21swapper/023:00:140
1462015994032,4cyclictest1512536-21munin-plugin-st00:05:010
146201599401,4cyclictest1487275-21df21:35:160
146201599401,4cyclictest1487275-21df21:35:150
146201599401,4cyclictest0-21swapper/020:25:220
146201599401,37cyclictest0-21swapper/023:45:200
146201999391,29cyclictest1509934-21unixbench_singl23:45:272
1462018993926,6cyclictest1467275-21grep19:35:281
1462018993923,9cyclictest1474050-21grep20:15:291
146201899391,31cyclictest1512508-21sshd00:00:341
146201599393,5cyclictest1501462-21unixbench_multi22:55:280
146201599393,33cyclictest0-21swapper/022:30:210
1462015993923,14cyclictest0-21swapper/022:45:060
146201599391,3cyclictest1517277-21apt-get00:35:140
146201599391,36cyclictest0-21swapper/022:00:150
146201599391,36cyclictest0-21swapper/020:00:230
146201599391,36cyclictest0-21swapper/020:00:230
146201599391,36cyclictest0-21swapper/019:25:250
146201599391,36cyclictest0-21swapper/019:20:120
146201599391,2cyclictest0-21swapper/022:50:280
1462019993831,3cyclictest167550irq/134-8000000.ethernet-tx223:15:242
1462019993830,5cyclictest1497326-21cron22:35:002
1462019993825,8cyclictest0-21swapper/219:15:042
146201999381,29cyclictest1507396-21unixbench_singl23:30:302
1462018993829,5cyclictest0-21swapper/121:00:301
1462018993828,7cyclictest231ktimers/121:30:111
1462018993827,7cyclictest0-21swapper/123:35:291
1462018993827,7cyclictest0-21swapper/121:25:281
1462018993827,6cyclictest231ktimers/122:45:191
1462018993826,6cyclictest231ktimers/119:55:001
1462018993824,9cyclictest0-21swapper/120:55:221
1462018993824,8cyclictest231ktimers/120:35:181
146201599381,35cyclictest0-21swapper/022:05:250
146201599381,2cyclictest0-21swapper/023:20:000
1462019993730,4cyclictest167550irq/134-8000000.ethernet-tx223:00:282
1462019993726,8cyclictest0-21swapper/223:45:002
146201899374,24cyclictest1462012-21cyclictest22:00:001
1462018993726,7cyclictest0-21swapper/123:50:311
1462018993724,8cyclictest0-21swapper/119:55:271
1462018993719,10cyclictest0-21swapper/120:40:191
1462015993730,4cyclictest20650irq/252-8000000.ethernet23:10:230
1462015993730,4cyclictest20650irq/252-8000000.ethernet19:45:190
1462015993730,4cyclictest0-21swapper/021:00:120
1462015993715,20cyclictest131ktimers/023:50:150
146201599371,4cyclictest0-21swapper/022:35:190
146201599371,2cyclictest0-21swapper/020:55:000
146201999369,21cyclictest311ktimers/222:20:012
146201999369,21cyclictest311ktimers/222:20:012
1462019993627,5cyclictest0-21swapper/222:55:292
1462018993627,5cyclictest0-21swapper/122:00:311
1462018993620,8cyclictest0-21swapper/100:15:291
1462018993620,8cyclictest0-21swapper/100:15:291
1462015993631,3cyclictest0-21swapper/020:05:270
1462015993629,4cyclictest0-21swapper/000:08:460
146201999353,28cyclictest30-21rcuc/221:20:012
1462019993525,6cyclictest0-21swapper/219:45:002
1462019993525,5cyclictest0-21swapper/223:05:202
1462019993525,5cyclictest0-21swapper/220:50:292
146201999351,31cyclictest1471538-21unixbench_multi20:00:302
146201999351,31cyclictest1471538-21unixbench_multi20:00:302
146201999351,28cyclictest1505140-21/usr/sbin/munin23:20:292
146201899359,14cyclictest1496691-21/usr/sbin/munin22:30:181
1462018993525,6cyclictest231ktimers/100:25:161
1462018993524,8cyclictest231ktimers/121:50:041
1462018993523,7cyclictest231ktimers/123:55:141
1462018993521,10cyclictest0-21swapper/123:20:281
1462018993520,9cyclictest0-21swapper/100:10:011
1462015993529,2cyclictest0-21swapper/019:55:000
1462019993425,5cyclictest0-21swapper/220:40:002
1462019993424,5cyclictest0-21swapper/223:10:272
1462019993424,5cyclictest0-21swapper/219:20:302
1462019993422,8cyclictest0-21swapper/221:35:012
1462019993419,10cyclictest0-21swapper/219:55:192
146201999341,30cyclictest0-21swapper/219:25:312
146201999341,26cyclictest0-21swapper/200:10:192
1462018993427,4cyclictest900-21dropbear20:30:211
1462018993425,6cyclictest231ktimers/123:05:121
1462018993425,5cyclictest22-21rcuc/119:20:001
1462018993425,5cyclictest0-21swapper/123:25:201
1462018993423,6cyclictest231ktimers/123:30:271
1462018993419,8cyclictest0-21swapper/123:40:221
146201599341,31cyclictest0-21swapper/020:10:320
1462019993324,5cyclictest0-21swapper/220:35:002
1462019993321,8cyclictest0-21swapper/219:50:302
1462018993327,4cyclictest1488721-21munin-plugin-st21:44:591
1462018993325,5cyclictest1489478-21unixbench_multi21:45:281
1462018993324,6cyclictest231ktimers/122:25:151
1462018993324,6cyclictest231ktimers/122:25:151
1462018993321,7cyclictest231ktimers/122:15:131
1462018993321,7cyclictest231ktimers/122:15:131
146201599338,19cyclictest0-21swapper/019:10:020
1462019993227,3cyclictest1474731-21phc2sys-jitter20:20:282
1462019993223,4cyclictest0-21swapper/223:25:212
1462019993223,4cyclictest0-21swapper/222:00:322
1462019993220,8cyclictest0-21swapper/223:55:272
1462019993219,9cyclictest0-21swapper/222:20:272
1462019993219,9cyclictest0-21swapper/221:20:282
146201999321,27cyclictest1499321-21fschecks_count22:45:192
146201999321,25cyclictest0-21swapper/220:40:172
146201999321,25cyclictest0-21swapper/200:06:352
1462018993224,4cyclictest0-21swapper/100:20:241
1462018993221,8cyclictest231ktimers/119:15:011
1462018993217,10cyclictest0-21swapper/120:45:291
1462015993219,9cyclictest0-21swapper/021:25:270
1462019993119,9cyclictest1487878-21sendmail21:40:002
1462019993119,9cyclictest1487878-21sendmail21:40:002
1462018993120,7cyclictest22-21rcuc/120:50:301
1462018993117,8cyclictest231ktimers/120:20:131
1462019993021,6cyclictest0-21swapper/219:30:292
1462019993021,6cyclictest0-21swapper/219:30:292
1462019993021,5cyclictest0-21swapper/222:40:162
1462019993021,5cyclictest0-21swapper/222:40:162
1462019993019,8cyclictest0-21swapper/200:29:592
1462019993017,8cyclictest0-21swapper/221:00:192
1462018993020,7cyclictest231ktimers/120:05:171
1462019992923,4cyclictest0-21swapper/220:05:192
1462019992921,6cyclictest1514828-21sh00:20:232
1462019992918,8cyclictest311ktimers/200:35:052
146201999291,26cyclictest0-21swapper/222:05:242
146201999291,26cyclictest0-21swapper/200:30:162
1462018992920,7cyclictest231ktimers/119:30:191
1462018992920,7cyclictest231ktimers/119:30:191
1462019992816,5cyclictest0-21swapper/221:05:212
1462018992818,6cyclictest22-21rcuc/119:10:011
1462019992718,6cyclictest0-21swapper/223:50:212
1462019992718,4cyclictest0-21swapper/200:05:012
1462019992715,8cyclictest0-21swapper/221:40:202
1462019992620,4cyclictest0-21swapper/222:12:152
1462019992617,5cyclictest0-21swapper/222:50:282
1462019992616,6cyclictest0-21swapper/220:55:282
146201999261,2cyclictest0-21swapper/222:40:012
1462019992415,7cyclictest311ktimers/221:55:142
1462019992115,4cyclictest0-21swapper/219:45:572
146201999211,13cyclictest1462143-21latency_hist19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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