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2025-12-28 - 20:45

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 Sun Dec 28, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3144684998212,19cyclictest3165590-21/usr/sbin/munin09:10:191
3144684998212,19cyclictest3165590-21/usr/sbin/munin09:10:191
3144681997029,35cyclictest20650irq/252-8000000.ethernet08:15:120
3144681996965,2cyclictest0-21swapper/008:05:000
3144685996233,16cyclictest311ktimers/210:05:142
314468599604,18cyclictest0-21swapper/209:55:012
3144685995339,9cyclictest0-21swapper/207:15:302
3144685995232,15cyclictest311ktimers/212:30:142
3144685995225,15cyclictest311ktimers/209:20:132
314468599522,21cyclictest32-21ksoftirqd/207:10:012
314468199528,14cyclictest0-21swapper/011:40:010
3144681995235,12cyclictest3160205-21unixbench_multi08:35:300
3144685995138,8cyclictest3168775-21munin-plugin-st09:30:002
3144685995138,8cyclictest3168775-21munin-plugin-st09:30:002
3144685995138,8cyclictest0-21swapper/207:55:292
3144685995132,11cyclictest311ktimers/208:55:112
3144685995132,11cyclictest311ktimers/208:55:102
314468199518,13cyclictest14-21rcu_preempt09:00:010
314468199518,13cyclictest14-21rcu_preempt09:00:010
3144685995041,5cyclictest3185095-21munin-plugin-st11:05:012
3144685995033,12cyclictest311ktimers/208:50:122
314468499503,19cyclictest0-21swapper/109:40:001
3144685994934,11cyclictest311ktimers/211:15:122
314468199495,7cyclictest0-21swapper/010:20:020
314468199495,7cyclictest0-21swapper/010:20:010
3144685994830,13cyclictest311ktimers/207:45:122
3144685994830,13cyclictest311ktimers/207:45:122
3144685994817,17cyclictest30-21rcuc/211:10:012
3144685994817,17cyclictest30-21rcuc/211:10:002
3144684994836,8cyclictest3183397-21munin-plugin-st10:55:001
3144684994836,8cyclictest3183397-21munin-plugin-st10:55:001
3144684994836,8cyclictest0-21swapper/111:20:271
3144684994836,8cyclictest0-21swapper/111:20:271
3144681994843,3cyclictest0-21swapper/012:25:140
3144681994842,3cyclictest3157461-21open_inodes08:20:260
3144681994839,5cyclictest167350irq/118-8000000.ethernet-tx009:40:170
314468199482,4cyclictest3169487-21xargs09:30:300
314468199482,44cyclictest0-21swapper/007:20:280
3144685994738,4cyclictest3171316-21munin-plugin-st09:45:002
3144685994729,13cyclictest311ktimers/208:05:132
3144685994725,18cyclictest311ktimers/212:20:122
314468199475,40cyclictest131ktimers/012:00:010
314468199475,40cyclictest131ktimers/012:00:000
3144685994630,11cyclictest311ktimers/210:10:162
314468499461,38cyclictest3173063-21unixbench_multi09:50:281
3144681994637,5cyclictest0-21swapper/007:55:010
3144681994634,8cyclictest3145382-21grep07:10:280
3144685994533,7cyclictest0-21swapper/211:10:272
3144685994526,14cyclictest311ktimers/209:55:142
3144685994524,14cyclictest311ktimers/212:25:172
3144685994519,17cyclictest311ktimers/210:35:132
3144684994533,9cyclictest0-21swapper/109:50:011
314468499451,37cyclictest3184127-21unixbench_multi10:55:281
314468199455,26cyclictest3145688-21service07:15:010
3144681994532,9cyclictest0-21swapper/012:15:310
3144685994428,12cyclictest311ktimers/210:00:152
3144685994427,13cyclictest311ktimers/209:05:142
314468499443,9cyclictest0-21swapper/109:45:011
3144684994437,4cyclictest22-21rcuc/111:40:011
3144684994430,8cyclictest3192038-21munin-plugin-st11:45:001
3144684994430,8cyclictest3192038-21munin-plugin-st11:45:001
314468499441,36cyclictest3157681-21unixbench_multi08:20:291
3144681994440,2cyclictest0-21swapper/010:40:130
314468199443,6cyclictest3175126-21df10:05:170
3144681994436,5cyclictest3201401-21cron12:39:590
314468199443,39cyclictest0-21swapper/010:10:120
3144681994432,8cyclictest3167882-21grep09:20:290
314468199442,9cyclictest3173786-21ptp4l09:55:270
314468199441,38cyclictest0-21swapper/012:25:020
3144685994334,4cyclictest0-21swapper/208:45:292
3144685994326,12cyclictest311ktimers/210:40:132
3144685994326,11cyclictest0-21swapper/209:00:272
3144685994323,13cyclictest311ktimers/209:35:132
3144685994322,14cyclictest311ktimers/211:25:122
3144684994335,5cyclictest3162850-21munin-plugin-st08:55:001
314468199438,5cyclictest0-21swapper/009:05:000
3144681994333,5cyclictest23850irq/422-mmc111:30:200
3144681994332,6cyclictest0-21swapper/008:30:150
314468199431,4cyclictest3180519-21meminfo10:35:270
314468199431,3cyclictest0-21swapper/009:50:280
314468199431,38cyclictest3162579-21wc08:50:260
3144685994229,8cyclictest0-21swapper/208:25:292
3144685994229,8cyclictest0-21swapper/208:25:292
3144685994224,15cyclictest311ktimers/208:40:112
3144684994233,5cyclictest0-21swapper/108:00:301
3144684994228,9cyclictest0-21swapper/109:25:291
3144684994228,9cyclictest0-21swapper/109:25:281
3144684994227,11cyclictest0-21swapper/108:10:281
3144681994236,3cyclictest167350irq/118-8000000.ethernet-tx009:05:170
3144681994235,4cyclictest0-21swapper/012:00:250
3144681994228,9cyclictest0-21swapper/012:10:210
314468199421,38cyclictest131ktimers/010:30:290
314468199421,38cyclictest0-21swapper/007:40:250
3144685994132,5cyclictest3179091-21munin-plugin-st10:29:592
3144685994131,6cyclictest3183389-21cron10:55:012
3144685994131,6cyclictest3183389-21cron10:55:012
3144685994127,10cyclictest1283-21cron07:30:002
3144684994134,4cyclictest3163691-21sendmail09:00:001
3144684994134,4cyclictest3163691-21sendmail09:00:001
314468499413,32cyclictest3151583-21grep07:45:291
314468499413,32cyclictest3151583-21grep07:45:281
3144684994131,7cyclictest0-21swapper/108:45:291
3144684994130,7cyclictest3192818-21grep11:45:261
3144684994130,6cyclictest3195379-21grep12:00:321
3144684994129,8cyclictest0-21swapper/112:15:221
3144684994128,8cyclictest3189443-21apt-key11:30:001
3144684994127,10cyclictest0-21swapper/108:25:281
3144684994127,10cyclictest0-21swapper/108:25:281
3144684994126,10cyclictest0-21swapper/107:50:281
314468499412,32cyclictest0-21swapper/111:20:011
3144681994136,2cyclictest0-21swapper/009:10:150
3144681994136,2cyclictest0-21swapper/009:10:150
3144681994133,5cyclictest0-21swapper/009:40:010
3144681994132,5cyclictest20850irq/208-8000000.ethernet07:35:010
3144681994130,8cyclictest3189087-21ptp4l11:25:280
3144681994129,9cyclictest0-21swapper/011:05:000
3144681994127,10cyclictest0-21swapper/008:10:250
314468199411,4cyclictest0-21swapper/011:15:250
314468199411,38cyclictest0-21swapper/010:25:160
314468199411,37cyclictest3174433-21/usr/sbin/munin10:00:230
314468199411,37cyclictest0-21swapper/010:50:140
314468199411,37cyclictest0-21swapper/010:50:140
3144685994027,9cyclictest0-21swapper/211:55:012
3144684994025,10cyclictest0-21swapper/111:10:221
3144681994028,8cyclictest131ktimers/007:25:260
314468199401,5cyclictest3181987-21diskstats10:45:190
314468199401,37cyclictest0-21swapper/009:25:130
314468199401,37cyclictest0-21swapper/009:25:130
314468199401,2cyclictest0-21swapper/007:55:290
3144685993930,6cyclictest3197825-21grep12:15:302
3144685993922,7cyclictest0-21swapper/207:35:212
3144685993919,13cyclictest311ktimers/208:10:122
3144685993919,13cyclictest311ktimers/207:30:112
3144684993929,7cyclictest0-21swapper/110:45:291
3144684993929,6cyclictest3198734-21grep12:20:281
3144684993927,8cyclictest0-21swapper/110:20:291
3144684993925,9cyclictest0-21swapper/107:15:271
314468199393,4cyclictest15-21rcuc/010:25:010
3144681993933,4cyclictest0-21swapper/008:25:250
3144681993933,4cyclictest0-21swapper/008:25:250
3144681993933,2cyclictest0-21swapper/012:30:280
314468199391,36cyclictest0-21swapper/011:10:260
3144685993827,7cyclictest3172192-21grep09:45:272
3144685993822,12cyclictest311ktimers/210:30:122
3144684993828,6cyclictest0-21swapper/112:05:291
3144684993823,10cyclictest0-21swapper/111:55:301
3144684993823,10cyclictest0-21swapper/111:55:301
3144684993823,10cyclictest0-21swapper/110:25:181
3144684993822,10cyclictest0-21swapper/112:39:591
3144681993832,4cyclictest0-21swapper/011:43:310
3144681993832,4cyclictest0-21swapper/011:43:310
314468199382,4cyclictest3192777-21unixbench_multi11:45:250
314468199381,35cyclictest0-21swapper/009:45:170
314468199381,35cyclictest0-21swapper/008:05:290
314468199381,35cyclictest0-21swapper/007:35:250
314468199381,2cyclictest0-21swapper/012:10:010
3144685993727,5cyclictest0-21swapper/212:05:282
3144685993722,11cyclictest0-21swapper/208:35:262
3144685993721,10cyclictest0-21swapper/212:00:282
3144684993728,6cyclictest0-21swapper/109:15:281
3144684993727,6cyclictest3179829-21grep10:30:281
3144684993724,9cyclictest0-21swapper/111:00:311
3144684993724,9cyclictest0-21swapper/108:15:291
3144684993719,10cyclictest0-21swapper/111:50:281
3144681993730,4cyclictest0-21swapper/011:05:170
3144681993730,4cyclictest0-21swapper/011:05:170
314468199371,34cyclictest0-21swapper/011:50:120
314468199371,34cyclictest0-21swapper/007:45:130
314468199371,34cyclictest0-21swapper/007:45:120
3144685993627,5cyclictest3201360-21grep12:35:322
3144685993626,6cyclictest3169545-21grep09:30:292
3144685993625,6cyclictest0-21swapper/210:15:282
3144685993625,6cyclictest0-21swapper/210:15:282
3144685993622,10cyclictest311ktimers/208:30:172
314468599361,5cyclictest0-21swapper/211:00:012
3144684993627,5cyclictest0-21swapper/109:05:291
3144684993623,9cyclictest0-21swapper/108:30:331
3144684993622,9cyclictest0-21swapper/112:10:281
3144684993622,9cyclictest0-21swapper/109:00:291
314468499361,29cyclictest3155093-21unixbench_singl08:05:291
314468499361,29cyclictest22-21rcuc/111:05:291
314468499361,29cyclictest22-21rcuc/111:05:291
3144681993631,3cyclictest0-21swapper/011:20:180
3144681993631,3cyclictest0-21swapper/011:20:180
3144681993628,5cyclictest131ktimers/008:40:280
314468199361,33cyclictest0-21swapper/010:59:330
314468199361,33cyclictest0-21swapper/008:48:490
314468599353,25cyclictest3166169-21head09:10:282
314468599353,25cyclictest3166169-21head09:10:272
3144685993525,5cyclictest0-21swapper/207:20:412
3144684993525,6cyclictest0-21swapper/110:05:291
3144684993524,7cyclictest0-21swapper/109:20:301
3144684993522,9cyclictest0-21swapper/109:30:291
3144684993519,9cyclictest0-21swapper/111:30:261
314468599347,24cyclictest0-21swapper/211:20:252
314468599347,24cyclictest0-21swapper/211:20:252
3144685993425,6cyclictest3196512-21df12:10:172
3144684993426,4cyclictest0-21swapper/107:40:011
314468499341,3cyclictest3177280-21grep10:15:291
314468499341,3cyclictest3177280-21grep10:15:291
314468499341,26cyclictest3148513-21/usr/sbin/munin07:30:191
314468199341,30cyclictest3166890-21sendmail_mailst09:15:260
3144685993322,6cyclictest0-21swapper/211:45:262
3144685993319,9cyclictest0-21swapper/208:05:002
3144685993317,11cyclictest0-21swapper/208:20:192
3144685993316,11cyclictest30-21rcuc/207:40:272
314468199336,4cyclictest0-21swapper/007:10:010
314468599324,23cyclictest3189941-21phc2sys11:30:262
3144685993221,7cyclictest1-21systemd07:14:332
3144685993219,8cyclictest0-21swapper/211:40:272
3144685993219,8cyclictest0-21swapper/211:40:272
3144684993227,3cyclictest3200451-21unixbench_multi12:30:291
3144684993221,8cyclictest0-21swapper/107:25:251
3144684993218,10cyclictest0-21swapper/107:40:201
314468599315,20cyclictest3191030-21unixbench_singl11:35:292
3144685993125,4cyclictest0-21swapper/208:15:252
3144685993121,6cyclictest0-21swapper/209:15:242
3144684993122,5cyclictest0-21swapper/112:25:271
3144684993121,7cyclictest0-21swapper/109:55:281
3144684993120,8cyclictest0-21swapper/108:40:261
3144684993120,8cyclictest0-21swapper/107:20:481
3144685993020,6cyclictest311ktimers/210:20:262
3144685993017,5cyclictest0-21swapper/207:55:012
3144685992923,4cyclictest3193915-21/usr/sbin/munin11:55:292
3144685992923,4cyclictest3193915-21/usr/sbin/munin11:55:292
314468499285,8cyclictest0-21swapper/110:05:001
3144684992819,5cyclictest0-21swapper/107:55:201
314468499281,25cyclictest0-21swapper/110:40:291
3144684992812,11cyclictest0-21swapper/107:15:011
314468499271,24cyclictest0-21swapper/110:38:311
314468499271,21cyclictest0-21swapper/108:40:011
314468599265,14cyclictest3182485-21grep10:45:302
3144684992517,6cyclictest0-21swapper/110:10:291
3144684992416,4cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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