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2026-06-21 - 15:39

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 Sun Jun 21, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278840299846,45cyclictest2788564-21/usr/sbin/munin07:10:191
278840299831,7cyclictest0-21swapper/111:05:011
2788402997038,28cyclictest2792871-21munin-plugin-st07:35:001
2788402997011,19cyclictest2796448-21/usr/sbin/munin07:55:181
278840199681,54cyclictest0-21swapper/010:10:130
278840199681,54cyclictest0-21swapper/010:10:130
278840299679,25cyclictest0-21swapper/107:45:011
2788402996427,32cyclictest0-21swapper/111:40:261
2788402996427,32cyclictest0-21swapper/111:40:261
2788402996322,33cyclictest0-21swapper/112:15:281
2788402996319,38cyclictest1660-21snmpd09:21:241
278840299621,4cyclictest0-21swapper/110:50:001
278840599616,41cyclictest2812647-21apt-get09:30:022
2788402995919,32cyclictest0-21swapper/110:15:291
2788402995914,35cyclictest0-21swapper/110:35:281
2788402995817,35cyclictest0-21swapper/107:45:191
2788402995817,32cyclictest0-21swapper/108:30:011
278840599571,38cyclictest30-21rcuc/211:55:012
2788402995713,35cyclictest0-21swapper/109:15:251
2788402995621,28cyclictest0-21swapper/112:35:201
2788402995615,5cyclictest1650-21lldpd09:05:121
2788402995610,6cyclictest2839844-21apt-get12:10:011
2788401995648,6cyclictest0-21swapper/011:50:110
278840599551,27cyclictest30-21rcuc/207:55:012
2788402995520,28cyclictest0-21swapper/110:00:291
2788402995517,29cyclictest0-21swapper/109:45:301
278840299551,47cyclictest0-21swapper/111:15:201
278840299551,47cyclictest0-21swapper/111:15:201
2788401995532,16cyclictest131ktimers/007:25:110
2788402995416,31cyclictest2790227-21grep07:15:301
2788402995410,7cyclictest0-21swapper/108:55:151
278840199541,50cyclictest0-21swapper/008:00:160
278840299534,8cyclictest0-21swapper/109:30:001
2788402995314,35cyclictest0-21swapper/109:00:201
2788402995312,30cyclictest0-21swapper/112:10:251
2788401995347,4cyclictest0-21swapper/008:30:120
278840199532,11cyclictest14-21rcu_preempt10:20:000
278840299527,6cyclictest0-21swapper/110:30:231
278840299523,14cyclictest2791939-21grep07:25:271
2788402995223,21cyclictest2842673-21/usr/sbin/munin12:25:281
2788402995212,32cyclictest0-21swapper/111:30:261
278840199529,13cyclictest0-21swapper/009:10:000
2788401995240,8cyclictest2843315-21munin-plugin-st12:30:000
278840199522,5cyclictest2833846-21apt11:35:000
278840199521,40cyclictest15-21rcuc/007:55:020
278840299512,11cyclictest2805611-21grep08:45:271
2788402995119,27cyclictest2798685-21grep08:05:291
2788402995116,28cyclictest2809908-21sed09:10:281
2788402995116,28cyclictest2809908-21sed09:10:281
2788402995113,31cyclictest0-21swapper/112:30:211
2788402995113,31cyclictest0-21swapper/112:30:211
2788402995112,4cyclictest0-21swapper/109:55:191
2788402995112,4cyclictest0-21swapper/109:55:191
278840299511,12cyclictest2797898-21sed08:00:301
278840299511,11cyclictest2822772-21grep10:25:271
278840199515,8cyclictest0-21swapper/009:40:010
2788401995110,37cyclictest15-21rcuc/011:05:200
2788405995041,5cyclictest2808258-21munin-plugin-st09:05:002
2788405995012,10cyclictest32-21ksoftirqd/208:50:012
278840299502,9cyclictest2796194-21sed07:50:311
2788402995022,24cyclictest2838368-21/usr/sbin/munin12:00:211
2788402995022,24cyclictest2816312-21/usr/sbin/munin09:50:281
278840299501,9cyclictest0-21swapper/108:40:011
2788402995016,27cyclictest0-21swapper/110:55:271
278840299501,2cyclictest0-21swapper/112:00:021
2788405994941,4cyclictest2833009-21munin-plugin-st11:30:002
2788405994940,4cyclictest0-21swapper/207:15:002
278840299496,7cyclictest0-21swapper/109:35:261
278840299496,35cyclictest0-21swapper/108:50:281
278840299495,8cyclictest0-21swapper/110:50:191
278840299495,8cyclictest0-21swapper/110:50:181
278840299493,8cyclictest2804829-21unixbench_singl08:40:291
278840299492,8cyclictest2803093-21grep08:30:291
2788402994917,25cyclictest2842250-21ptp4l12:20:261
2788405994834,9cyclictest2840723-21grep12:10:282
2788405994833,11cyclictest0-21swapper/208:15:002
278840299486,8cyclictest0-21swapper/111:10:211
278840299486,7cyclictest0-21swapper/108:15:301
2788402994816,24cyclictest0-21swapper/108:25:011
2788402994814,4cyclictest2815177-21unixbench_multi09:40:281
2788402994810,34cyclictest0-21swapper/109:30:271
2788402994810,30cyclictest0-21swapper/110:40:281
278840199483,6cyclictest0-21swapper/009:20:250
278840299477,6cyclictest0-21swapper/111:45:201
278840299474,9cyclictest0-21swapper/111:50:201
2788402994739,5cyclictest2820331-21munin-plugin-st10:15:001
2788402994739,5cyclictest2820331-21munin-plugin-st10:15:001
2788401994738,5cyclictest2812658-21apt-key09:30:010
2788405994638,5cyclictest2833850-21munin-plugin-st11:35:002
278840299467,9cyclictest0-21swapper/110:05:231
278840299462,14cyclictest2791083-21tail07:20:291
278840299462,14cyclictest2791083-21tail07:20:291
2788401994637,5cyclictest2808257-21grep09:04:590
2788401994627,13cyclictest131ktimers/010:25:110
278840199462,41cyclictest0-21swapper/007:10:000
278840299452,12cyclictest2793606-21grep07:35:291
278840299451,7cyclictest0-21swapper/110:25:011
2788401994533,6cyclictest0-21swapper/010:05:320
2788401994531,10cyclictest0-21swapper/008:30:010
2788405994435,5cyclictest2817695-21grep09:55:272
2788405994435,5cyclictest2817695-21grep09:55:262
2788405994423,9cyclictest0-21swapper/209:10:202
2788405994423,9cyclictest0-21swapper/209:10:192
278840599441,36cyclictest0-21swapper/211:45:262
278840299441,41cyclictest0-21swapper/111:20:161
2788402994411,10cyclictest0-21swapper/111:25:191
2788401994432,9cyclictest0-21swapper/012:10:010
2788401994430,9cyclictest0-21swapper/012:20:270
2788401994430,10cyclictest0-21swapper/008:35:310
278840199442,5cyclictest2806557-21/usr/sbin/munin08:55:010
278840199442,37cyclictest2800772-21apt-get08:20:060
278840199441,4cyclictest0-21swapper/007:25:010
278840199441,4cyclictest0-21swapper/007:25:010
2788405994331,8cyclictest0-21swapper/208:50:292
278840299432,9cyclictest2798984-21/usr/sbin/munin08:10:151
278840199434,8cyclictest2810184-21gpg-connect-age09:15:010
278840199434,8cyclictest2810184-21gpg-connect-age09:15:010
278840199432,4cyclictest0-21swapper/011:25:180
278840199431,40cyclictest0-21swapper/008:10:190
278840199431,39cyclictest0-21swapper/011:35:130
2788405994235,4cyclictest2802255-21munin-plugin-st08:30:002
2788405994231,7cyclictest311ktimers/209:20:092
278840299423,10cyclictest2829538-21unixbench_multi11:05:291
2788401994227,11cyclictest0-21swapper/012:40:000
2788401994224,15cyclictest0-21swapper/009:40:560
2788401994224,12cyclictest0-21swapper/009:15:270
278840199421,4cyclictest2789760-21diskstats07:15:200
2788405994132,5cyclictest2835634-21munin-plugin-st11:45:002
2788405994132,5cyclictest2835634-21munin-plugin-st11:45:002
278840299411,13cyclictest2834474-21phc2sys11:35:261
2788401994131,8cyclictest2817807-21sendmail10:00:010
2788401994131,8cyclictest2817807-21sendmail10:00:010
2788401994130,8cyclictest2805720-21munin-plugin-st08:50:000
2788401994130,8cyclictest0-21swapper/007:55:270
2788401994130,7cyclictest0-21swapper/007:10:290
278840199411,5cyclictest2824167-21irqstats10:35:230
278840599404,5cyclictest2810018-21apt-get09:15:012
2788405994030,7cyclictest0-21swapper/207:59:592
2788405994030,6cyclictest0-21swapper/210:30:292
2788405994029,6cyclictest0-21swapper/212:00:252
2788405994026,9cyclictest0-21swapper/211:05:302
2788405994026,7cyclictest2822228-21/usr/sbin/munin10:25:172
2788401994033,4cyclictest20850irq/208-8000000.ethernet12:00:010
2788401994031,7cyclictest2813582-21munin-plugin-st09:35:010
2788401994028,8cyclictest0-21swapper/008:05:300
2788401994028,8cyclictest0-21swapper/007:30:290
278840199401,8cyclictest0-21swapper/012:20:010
278840199401,4cyclictest2815848-21ps09:45:260
278840199401,4cyclictest0-21swapper/010:05:010
278840199401,37cyclictest0-21swapper/009:50:130
2788405993927,8cyclictest0-21swapper/210:35:232
278840599391,32cyclictest2819097-21if_eth110:05:262
2788401993927,9cyclictest0-21swapper/011:10:290
2788401993926,9cyclictest0-21swapper/010:45:300
278840199392,3cyclictest2822017-21sshd10:24:220
278840199391,3cyclictest0-21swapper/011:05:000
278840199391,36cyclictest0-21swapper/011:15:190
278840199391,36cyclictest0-21swapper/011:15:190
278840199391,36cyclictest0-21swapper/008:17:000
278840199391,35cyclictest2826562-21tune2fs10:50:190
278840199391,35cyclictest2826562-21tune2fs10:50:190
2788405993830,5cyclictest0-21swapper/212:30:172
2788405993830,5cyclictest0-21swapper/212:30:172
2788405993829,5cyclictest0-21swapper/210:10:282
2788405993829,5cyclictest0-21swapper/210:10:282
2788405993828,7cyclictest0-21swapper/210:45:302
278840599382,5cyclictest2800472-21munin-run08:20:012
2788401993830,5cyclictest2844153-21munin-plugin-st12:35:000
2788401993830,5cyclictest2844153-21munin-plugin-st12:35:000
2788401993829,5cyclictest0-21swapper/011:20:290
278840199381,5cyclictest0-21swapper/010:40:190
278840199381,35cyclictest0-21swapper/007:45:140
2788405993726,7cyclictest0-21swapper/208:00:302
278840599371,30cyclictest30-21rcuc/209:05:252
2788401993727,7cyclictest0-21swapper/011:40:260
2788401993727,7cyclictest0-21swapper/011:40:250
2788401993725,8cyclictest0-21swapper/008:40:280
278840199371,34cyclictest0-21swapper/007:39:080
2788405993628,5cyclictest2807295-21grep08:55:282
2788405993627,6cyclictest0-21swapper/208:39:592
2788405993627,5cyclictest0-21swapper/209:45:292
2788405993627,4cyclictest0-21swapper/211:55:172
2788405993625,7cyclictest0-21swapper/211:35:292
278840599361,28cyclictest0-21swapper/207:20:122
278840599361,28cyclictest0-21swapper/207:20:112
278840199363,3cyclictest0-21swapper/009:00:010
2788401993629,4cyclictest0-21swapper/011:45:240
2788401993625,8cyclictest0-21swapper/010:55:280
278840199361,10cyclictest0-21swapper/010:35:010
2788405993528,4cyclictest0-21swapper/211:20:172
2788405993528,4cyclictest0-21swapper/209:50:302
2788405993523,9cyclictest0-21swapper/209:45:002
278840199351,32cyclictest0-21swapper/007:40:270
2788405993427,4cyclictest167550irq/134-8000000.ethernet-tx212:05:232
2788405993426,4cyclictest0-21swapper/210:15:222
278840599341,5cyclictest30-21rcuc/210:55:292
2788401993422,8cyclictest15-21rcuc/012:00:120
2788405993322,8cyclictest0-21swapper/210:25:002
2788405993322,7cyclictest2792779-21grep07:30:292
278840599331,25cyclictest0-21swapper/207:15:032
2788401993324,5cyclictest0-21swapper/012:10:160
278840599328,14cyclictest167550irq/134-8000000.ethernet-tx210:50:102
278840599328,14cyclictest167550irq/134-8000000.ethernet-tx210:50:102
2788405993224,4cyclictest0-21swapper/208:20:282
2788405993222,7cyclictest0-21swapper/209:35:272
2788405993221,8cyclictest0-21swapper/212:35:272
2788405993124,4cyclictest167550irq/134-8000000.ethernet-tx208:30:112
2788405993123,5cyclictest0-21swapper/212:20:282
2788405993122,5cyclictest0-21swapper/212:25:272
278840599311,3cyclictest0-21swapper/211:10:282
278840599311,28cyclictest2841035-21df12:15:162
2788405993022,4cyclictest311ktimers/207:25:122
2788405993022,4cyclictest0-21swapper/211:05:002
2788405993021,6cyclictest0-21swapper/209:30:292
278840599301,27cyclictest0-21swapper/208:44:222
2788405993011,13cyclictest311ktimers/211:15:132
2788405993011,13cyclictest311ktimers/211:15:132
2788405992920,5cyclictest2795348-21grep07:45:262
2788405992821,4cyclictest2825370-21unixbench_singl10:40:292
2788405992819,5cyclictest0-21swapper/210:00:282
2788405992719,5cyclictest311ktimers/208:05:292
2788405992718,5cyclictest0-21swapper/207:40:012
2788405992515,7cyclictest311ktimers/207:40:292
278840599231,3cyclictest0-21swapper/207:10:012
278840299184,10cyclictest0-21swapper/107:10:011
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