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2024-11-25 - 14:37

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 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 Nov 25, 2024 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3199617996439,18cyclictest131ktimers/000:05:100
3199617996349,11cyclictest131ktimers/000:00:180
3199617996349,11cyclictest131ktimers/000:00:180
3199620996217,5cyclictest3234020-21apt-get22:30:011
319961799611,50cyclictest0-21swapper/022:10:180
319961799581,28cyclictest0-21swapper/020:00:010
319962299541,4cyclictest0-21swapper/222:25:192
3199617995420,30cyclictest0-21swapper/020:45:000
319961799541,43cyclictest0-21swapper/019:25:150
319961799511,45cyclictest0-21swapper/021:35:100
319961799511,45cyclictest0-21swapper/021:35:100
319961799509,4cyclictest0-21swapper/019:20:000
3199617995030,14cyclictest0-21swapper/020:30:010
3199617995015,16cyclictest12-21ksoftirqd/023:55:020
319962299498,30cyclictest3232408-21apt-key22:20:012
3199617994919,23cyclictest3210382-21/usr/sbin/munin20:10:180
319962299481,39cyclictest3202348-21unixbench_singl19:20:292
3199617994836,8cyclictest3216869-21grep20:45:270
3199617994832,11cyclictest0-21swapper/019:40:020
3199617994814,19cyclictest12-21ksoftirqd/021:15:020
3199622994736,7cyclictest0-21swapper/219:15:292
3199620994739,4cyclictest3232130-21unixbench_multi22:15:291
319961799463,36cyclictest3223732-21unixbench_singl21:25:270
3199617994617,24cyclictest14-21rcu_preempt21:20:210
3199617994537,5cyclictest3245087-21munin-plugin-st23:35:000
3199617994535,6cyclictest3203987-21grep19:30:300
3199622994434,5cyclictest168450irq/135-8000000.ethernet-tx220:50:292
3199620994431,8cyclictest3217115-21grep20:50:021
3199620994426,13cyclictest0-21swapper/123:40:281
3199620994425,10cyclictest0-21swapper/122:30:331
3199617994438,4cyclictest0-21swapper/022:30:160
3199617994432,6cyclictest3241648-21grep23:10:330
3199617994432,6cyclictest3241648-21grep23:10:330
3199617994431,9cyclictest0-21swapper/022:05:210
319961799442,9cyclictest3232112-21sed22:15:290
3199622994334,4cyclictest0-21swapper/221:10:292
3199620994338,3cyclictest231ktimers/122:20:191
3199620994332,6cyclictest0-21swapper/121:10:221
3199620994331,8cyclictest3239972-21grep23:00:291
3199620994331,8cyclictest3225472-21sendmail21:40:001
3199620994331,8cyclictest3225472-21sendmail21:40:001
3199617994335,4cyclictest20950irq/209-8000000.ethernet22:40:010
3199617994335,4cyclictest0-21swapper/021:50:280
319961799431,37cyclictest0-21swapper/019:25:010
319962299421,34cyclictest0-21swapper/223:25:252
319962299421,32cyclictest0-21swapper/222:10:332
3199622994213,14cyclictest3214604-21/usr/sbin/munin20:35:212
3199620994235,4cyclictest0-21swapper/120:45:001
319961799425,11cyclictest3234166-21gpgv22:30:010
3199617994234,6cyclictest131ktimers/021:40:220
3199617994230,8cyclictest3211745-21grep20:15:300
3199617994230,8cyclictest3211745-21grep20:15:300
3199617994226,10cyclictest0-21swapper/023:40:280
3199617994224,11cyclictest0-21swapper/023:15:260
319961799422,35cyclictest3232953-21ptp4l22:20:270
319961799421,7cyclictest3206567-21sed19:45:290
319962299413,6cyclictest3215994-21grep20:40:302
3199622994122,11cyclictest3213763-21/usr/sbin/munin20:30:212
3199620994132,5cyclictest0-21swapper/121:19:591
3199620994128,9cyclictest0-21swapper/122:00:271
3199620994127,9cyclictest0-21swapper/100:05:281
3199620994125,10cyclictest0-21swapper/119:10:291
3199620994124,10cyclictest0-21swapper/122:55:291
3199620994124,10cyclictest0-21swapper/122:55:291
319962099412,32cyclictest3247940-21cat23:55:011
3199620994122,10cyclictest0-21swapper/120:05:201
319961799412,8cyclictest3226862-21grep21:45:250
3199617994128,8cyclictest3224570-21grep21:30:300
319961799411,3cyclictest0-21swapper/020:55:290
319961799411,3cyclictest0-21swapper/020:55:290
3199622994029,7cyclictest0-21swapper/222:25:012
3199622994028,6cyclictest0-21swapper/221:55:302
3199622994027,9cyclictest0-21swapper/219:44:592
3199622994027,7cyclictest168450irq/135-8000000.ethernet-tx200:20:302
3199622994024,8cyclictest0-21swapper/219:30:292
3199620994028,8cyclictest0-21swapper/119:50:281
319961799403,12cyclictest12-21ksoftirqd/022:00:010
3199622993932,4cyclictest3204932-21latency_hist19:40:002
3199622993931,5cyclictest0-21swapper/219:30:002
3199622993924,9cyclictest3213483-21grep20:25:292
3199620993933,3cyclictest14-21rcu_preempt22:15:011
319962099393,22cyclictest24-21ksoftirqd/100:15:111
3199620993931,5cyclictest22-21rcuc/123:25:211
3199620993929,6cyclictest0-21swapper/123:10:011
3199620993929,5cyclictest0-21swapper/123:20:271
3199620993926,9cyclictest231ktimers/119:30:141
3199620993922,13cyclictest231ktimers/121:20:141
3199620993920,14cyclictest231ktimers/119:15:121
3199617993932,5cyclictest0-21swapper/023:50:000
3199617993928,6cyclictest0-21swapper/023:35:170
3199617993928,6cyclictest0-21swapper/023:35:160
3199617993927,6cyclictest0-21swapper/020:10:010
3199617993927,10cyclictest0-21swapper/019:10:010
3199617993927,10cyclictest0-21swapper/019:10:010
3199617993926,9cyclictest131ktimers/019:50:190
3199617993925,10cyclictest3251237-21grep00:10:280
3199622993831,4cyclictest168450irq/135-8000000.ethernet-tx219:10:282
3199622993830,5cyclictest3254756-21grep00:30:312
3199622993828,5cyclictest0-21swapper/200:35:292
3199620993828,5cyclictest0-21swapper/119:40:301
3199620993826,7cyclictest3203188-21grep19:25:291
3199620993825,8cyclictest0-21swapper/122:40:001
3199620993825,10cyclictest231ktimers/122:05:171
319962099381,30cyclictest3249000-21/usr/sbin/munin00:00:211
319962099381,30cyclictest3249000-21/usr/sbin/munin00:00:201
3199617993829,6cyclictest131ktimers/023:20:230
3199617993829,5cyclictest0-21swapper/000:15:290
3199617993828,6cyclictest0-21swapper/020:35:280
319961799381,8cyclictest3238858-21tail22:55:250
319961799381,8cyclictest3238858-21tail22:55:250
319961799381,35cyclictest0-21swapper/022:40:160
319961799381,2cyclictest14-21rcu_preempt00:20:110
3199617993810,25cyclictest15-21rcuc/023:25:220
3199622993730,4cyclictest3225471-21latency_hist21:40:002
3199622993730,4cyclictest3225471-21latency_hist21:40:002
3199622993729,4cyclictest168450irq/135-8000000.ethernet-tx200:10:282
3199620993728,5cyclictest3238219-21grep22:50:321
3199620993728,5cyclictest0-21swapper/121:45:281
3199620993727,6cyclictest0-21swapper/100:00:011
3199620993727,5cyclictest231ktimers/120:00:111
3199620993726,7cyclictest3244990-21grep23:30:331
3199617993729,5cyclictest0-21swapper/000:25:270
3199617993726,6cyclictest0-21swapper/020:55:000
3199622993629,4cyclictest168450irq/135-8000000.ethernet-tx222:55:282
3199622993629,4cyclictest168450irq/135-8000000.ethernet-tx222:55:282
319962299362,28cyclictest3228176-21cat21:55:022
3199620993629,5cyclictest3204933-21munin-plugin-st19:40:011
3199620993627,6cyclictest0-21swapper/121:10:001
3199620993627,5cyclictest0-21swapper/120:25:281
3199620993626,7cyclictest3210970-21grep20:10:281
3199620993626,6cyclictest3255530-21grep00:35:301
3199620993626,5cyclictest0-21swapper/121:55:291
3199620993624,9cyclictest0-21swapper/123:35:291
3199620993624,9cyclictest0-21swapper/123:35:291
3199620993624,8cyclictest0-21swapper/123:20:001
3199620993618,10cyclictest0-21swapper/121:30:311
319962099361,6cyclictest3218595-21sed20:55:281
319962099361,6cyclictest3218595-21sed20:55:281
3199617993630,4cyclictest20950irq/209-8000000.ethernet23:55:160
3199617993626,7cyclictest131ktimers/023:00:270
3199617993621,12cyclictest131ktimers/022:50:170
319961799361,18cyclictest27350irq/343-s-wl18xx00:35:180
3199622993521,10cyclictest0-21swapper/221:17:002
319962299351,27cyclictest0-21swapper/221:45:002
319962099355,3cyclictest3222934-21kworker/1:2+events21:26:171
3199620993527,4cyclictest14-21rcu_preempt00:25:271
3199620993525,5cyclictest0-21swapper/120:15:301
3199620993525,5cyclictest0-21swapper/120:15:301
3199620993524,6cyclictest0-21swapper/123:10:321
3199620993524,6cyclictest0-21swapper/123:10:321
3199620993512,13cyclictest3225685-21/usr/sbin/munin21:40:181
319961799358,15cyclictest12-21ksoftirqd/020:30:020
3199617993527,5cyclictest3237009-21sh22:45:200
3199617993527,5cyclictest20750irq/251-8000000.ethernet22:00:180
3199617993526,5cyclictest0-21swapper/023:05:160
3199617993523,6cyclictest0-21swapper/020:20:280
3199622993426,5cyclictest3247853-21munin-plugin-st23:55:002
3199622993425,5cyclictest0-21swapper/221:00:262
3199622993420,9cyclictest0-21swapper/221:25:192
3199620993423,6cyclictest0-21swapper/119:45:201
3199620993422,7cyclictest3227367-21/usr/sbin/munin21:50:271
3199620993411,3cyclictest27350irq/343-s-wl18xx19:20:121
3199617993428,4cyclictest14-21rcu_preempt00:30:290
3199617993427,4cyclictest19950irq/27-20000000.i2c21:15:280
3199622993326,4cyclictest168450irq/135-8000000.ethernet-tx223:15:112
3199622993325,4cyclictest168450irq/135-8000000.ethernet-tx222:05:252
3199622993325,4cyclictest0-21swapper/223:10:322
3199622993325,4cyclictest0-21swapper/223:10:312
3199622993321,9cyclictest3216929-21sshd20:48:292
3199622993320,10cyclictest0-21swapper/223:30:212
3199622993319,10cyclictest0-21swapper/200:25:272
319962299331,29cyclictest0-21swapper/219:55:302
3199620993325,5cyclictest0-21swapper/121:05:001
3199620993325,4cyclictest0-21swapper/100:10:221
3199620993318,12cyclictest231ktimers/122:40:111
3199620993318,10cyclictest0-21swapper/120:20:291
3199620993317,13cyclictest231ktimers/119:55:121
3199617993326,4cyclictest25250irq/422-mmc120:05:010
3199617993325,5cyclictest15-21rcuc/021:05:270
3199617993322,8cyclictest3219499-21unixbench_singl21:00:270
3199617993322,6cyclictest0-21swapper/019:10:200
319962299325,19cyclictest3245284-21/usr/sbin/munin23:35:192
319962299325,19cyclictest3245284-21/usr/sbin/munin23:35:192
3199622993223,6cyclictest3251885-21grep00:15:262
3199622993222,6cyclictest0-21swapper/223:00:292
3199622993221,8cyclictest3218727-21sendmail-msp21:00:012
3199622993221,8cyclictest3218727-21sendmail-msp21:00:002
3199622993220,4cyclictest0-21swapper/223:55:192
319962099321,9cyclictest3253094-21sshd00:21:281
3199620993215,11cyclictest231ktimers/122:45:111
319962299316,6cyclictest1659-21lldpd19:45:132
3199622993124,4cyclictest168450irq/135-8000000.ethernet-tx219:50:222
3199622993124,3cyclictest0-21swapper/220:10:272
3199622993121,5cyclictest0-21swapper/221:20:172
319962299311,28cyclictest0-21swapper/222:50:212
319962299310,25cyclictest0-21swapper/223:20:112
319962099313,25cyclictest22-21rcuc/120:40:001
3199622993024,3cyclictest3224386-21cut21:30:292
3199622993022,5cyclictest168450irq/135-8000000.ethernet-tx222:30:272
3199622993021,6cyclictest3246995-21sshd23:47:292
3199622993020,4cyclictest0-21swapper/220:10:022
319962299301,4cyclictest3208807-21kernelversion20:00:242
3199622993013,4cyclictest168450irq/135-8000000.ethernet-tx200:04:282
3199622993013,4cyclictest168450irq/135-8000000.ethernet-tx200:04:282
3199622993012,5cyclictest168450irq/135-8000000.ethernet-tx223:07:302
319962299301,17cyclictest0-21swapper/221:06:092
319961799301,2cyclictest0-21swapper/019:45:010
3199622992922,4cyclictest3227102-21unixbench_singl21:45:272
3199622992918,5cyclictest0-21swapper/222:00:192
319962099291,26cyclictest0-21swapper/100:30:311
3199622992819,5cyclictest0-21swapper/222:40:292
3199622992819,5cyclictest0-21swapper/220:20:252
3199622992815,9cyclictest0-21swapper/222:45:262
319962299281,16cyclictest0-21swapper/200:08:262
3199620992822,4cyclictest0-21swapper/120:30:171
3199620992818,7cyclictest0-21swapper/120:50:261
3199622992713,9cyclictest0-21swapper/223:40:202
319962299264,18cyclictest30-21rcuc/220:15:132
319962299264,18cyclictest30-21rcuc/220:15:122
319962299261,14cyclictest0-21swapper/222:38:462
319962099266,4cyclictest0-21swapper/119:10:011
319962099266,4cyclictest0-21swapper/119:10:011
319962099261,13cyclictest0-21swapper/123:48:521
3199622991813,3cyclictest3199724-21cat19:10:022
3199622991813,3cyclictest3199724-21cat19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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