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2026-09-14 - 01:57

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 Sep 13, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1349924998358,16cyclictest0-21swapper/310:40:023
134991699754,62cyclictest131ktimers/008:20:110
1349916997366,4cyclictest167350irq/118-8000000.ethernet-tx010:25:190
1349922996856,10cyclictest311ktimers/211:55:012
1349916996441,13cyclictest0-21swapper/012:25:010
1349916996156,3cyclictest0-21swapper/010:15:010
1349920995440,9cyclictest1382403-21munin-run10:20:001
1349922995338,10cyclictest1382949-21phc2sys10:20:262
1349920995332,13cyclictest231ktimers/108:10:131
1349916995345,5cyclictest1380717-21munin-plugin-st10:10:000
1349916995345,5cyclictest1380717-21munin-plugin-st10:10:000
134991699521,5cyclictest1360282-21grep08:05:310
134991699521,47cyclictest1365127-21tail08:35:260
1349916995142,6cyclictest0-21swapper/009:40:190
134992099506,28cyclictest0-21swapper/109:55:011
1349920995042,5cyclictest0-21swapper/108:35:271
1349920995039,5cyclictest1369659-21apt09:05:011
134991699503,5cyclictest1396904-21unixbench_singl11:40:290
1349916995017,30cyclictest15-21rcuc/011:00:280
1349922994934,11cyclictest0-21swapper/207:15:002
1349920994933,9cyclictest0-21swapper/110:05:301
1349920994933,9cyclictest0-21swapper/110:05:291
1349916994936,10cyclictest131ktimers/011:15:130
1349916994925,22cyclictest14-21rcu_preempt09:35:290
1349916994918,27cyclictest15-21rcuc/009:20:240
1349922994834,10cyclictest1379024-21sendmail10:00:012
1349916994840,4cyclictest167350irq/118-8000000.ethernet-tx012:10:250
1349916994835,9cyclictest0-21swapper/012:15:210
1349916994830,15cyclictest167350irq/118-8000000.ethernet-tx010:00:250
134991699481,3cyclictest0-21swapper/009:10:180
1349916994737,8cyclictest1383048-21ptp4l-jitter10:20:270
134991699472,6cyclictest1400653-21dropbear12:05:200
134991699472,42cyclictest1398273-21/usr/sbin/munin11:50:260
134991699471,39cyclictest1404765-21latency_hist12:30:010
1349922994635,7cyclictest0-21swapper/212:40:002
134991699464,5cyclictest1368255-21ssh08:55:200
1349916994642,2cyclictest0-21swapper/012:00:010
1349916994634,8cyclictest1370397-21grep09:05:300
134991699462,3cyclictest1354792-21fschecks_time07:35:210
1349916994541,2cyclictest0-21swapper/008:15:010
1349916994538,5cyclictest1364586-21munin-plugin-st08:35:000
1349916994538,4cyclictest167350irq/118-8000000.ethernet-tx010:15:140
1349916994532,8cyclictest0-21swapper/008:50:260
134991699451,41cyclictest1645-21sshd07:25:280
134991699451,41cyclictest1363626-21/usr/sbin/munin08:25:290
134991699451,37cyclictest1359138-21/usr/sbin/munin08:00:270
134991699451,37cyclictest1359138-21/usr/sbin/munin08:00:270
1349922994432,8cyclictest0-21swapper/211:30:002
1349920994437,4cyclictest1362047-21sendmail08:20:001
1349920994435,6cyclictest1389243-21unixbench_multi10:55:271
1349920994433,8cyclictest0-21swapper/112:30:271
1349920994431,6cyclictest0-21swapper/110:20:171
1349920994427,10cyclictest0-21swapper/107:40:021
1349916994438,3cyclictest1387561-21munin-plugin-st10:50:000
1349916994438,3cyclictest1387561-21munin-plugin-st10:50:000
134991699441,4cyclictest1358799-21latency_hist08:00:010
134992099437,32cyclictest22-21rcuc/110:25:021
134992099436,33cyclictest0-21swapper/109:10:011
1349920994324,9cyclictest1375551-21grep09:35:301
134991699434,23cyclictest15-21rcuc/011:50:010
134991699434,23cyclictest15-21rcuc/011:50:010
1349916994334,6cyclictest1385869-21munin-plugin-st10:40:010
1349916994334,5cyclictest0-21swapper/010:50:320
1349916994333,6cyclictest1378122-21grep09:50:330
1349916994328,10cyclictest0-21swapper/007:35:010
134991699431,3cyclictest1392989-21df_inode11:20:180
134991699431,36cyclictest0-21swapper/008:15:010
1349922994236,3cyclictest1389331-21sendmail11:00:002
1349922994226,11cyclictest0-21swapper/207:40:202
134992099426,14cyclictest24-21ksoftirqd/112:25:011
1349920994233,5cyclictest0-21swapper/108:40:291
1349920994233,5cyclictest0-21swapper/107:15:271
1349920994231,7cyclictest1350685-21grep07:10:291
1349916994238,2cyclictest0-21swapper/007:45:000
1349916994230,8cyclictest0-21swapper/008:45:270
134991699422,6cyclictest1356152-21/usr/sbin/munin07:44:590
134991699422,5cyclictest1365706-21df_inode08:40:170
134991699421,4cyclictest1376877-21perl09:45:240
134991699421,38cyclictest1395739-21meminfo11:35:240
134991699421,35cyclictest0-21swapper/009:15:020
134992099417,25cyclictest0-21swapper/112:10:011
1349920994131,6cyclictest0-21swapper/111:15:291
1349920994131,5cyclictest1371236-21grep09:10:271
1349920994130,6cyclictest0-21swapper/107:55:241
1349920994125,9cyclictest0-21swapper/108:20:281
1349916994133,4cyclictest0-21swapper/007:15:030
1349916994129,8cyclictest0-21swapper/012:35:270
134991699412,7cyclictest1405356-21grep12:30:310
134991699411,38cyclictest0-21swapper/011:30:190
134991699411,38cyclictest0-21swapper/011:30:190
134991699411,38cyclictest0-21swapper/009:25:270
134991699411,37cyclictest1385025-21munin-run10:35:000
134991699411,32cyclictest0-21swapper/007:10:020
1349922994033,4cyclictest167550irq/134-8000000.ethernet-tx210:15:172
1349922994032,5cyclictest0-21swapper/211:44:242
1349922994027,9cyclictest0-21swapper/209:00:282
1349920994030,5cyclictest0-21swapper/110:50:321
1349920994029,5cyclictest0-21swapper/111:30:191
1349920994029,5cyclictest0-21swapper/111:30:191
1349920994028,8cyclictest0-21swapper/111:50:001
1349920994028,8cyclictest0-21swapper/111:50:001
1349920994027,7cyclictest0-21swapper/111:25:281
1349920994023,8cyclictest0-21swapper/108:30:291
134992099401,27cyclictest24-21ksoftirqd/107:25:181
1349916994031,6cyclictest1-21systemd10:56:330
134991699401,37cyclictest0-21swapper/007:20:190
134991699401,36cyclictest1386532-21sendmail_mailqu10:40:290
134991699401,36cyclictest0-21swapper/011:15:000
1349922993925,10cyclictest0-21swapper/208:40:292
1349922993921,11cyclictest0-21swapper/210:50:242
1349920993931,6cyclictest0-21swapper/109:45:021
1349920993929,5cyclictest0-21swapper/109:30:011
1349920993929,5cyclictest0-21swapper/108:55:211
1349920993929,4cyclictest0-21swapper/109:30:261
1349920993928,7cyclictest0-21swapper/108:50:261
1349920993928,5cyclictest0-21swapper/111:20:261
134991699391,3cyclictest1349910-21cyclictest11:10:010
134991699391,36cyclictest0-21swapper/009:00:230
134991699391,35cyclictest0-21swapper/007:50:230
134991699391,2cyclictest0-21swapper/009:30:200
134992299388,4cyclictest1403515-21tr12:20:272
1349922993824,8cyclictest311ktimers/212:30:052
1349920993828,5cyclictest0-21swapper/109:15:281
1349920993826,7cyclictest0-21swapper/111:55:291
1349920993823,12cyclictest231ktimers/112:00:121
1349916993832,3cyclictest0-21swapper/011:30:000
134991699381,4cyclictest0-21swapper/007:15:240
1349922993729,5cyclictest0-21swapper/208:40:002
1349922993729,3cyclictest0-21swapper/210:25:212
1349922993725,6cyclictest1402190-21/usr/sbin/munin12:15:312
1349922993721,12cyclictest0-21swapper/208:15:012
134992299371,30cyclictest1379235-21/usr/sbin/munin10:00:162
1349920993725,7cyclictest0-21swapper/108:05:311
134991699371,3cyclictest1374788-21kworker/u8:1+events_power_efficient10:00:020
134992299369,25cyclictest0-21swapper/210:05:292
134992299369,25cyclictest0-21swapper/210:05:292
1349922993627,6cyclictest1352776-21munin-plugin-st07:25:002
1349922993626,7cyclictest1356957-21grep07:45:312
1349922993626,7cyclictest0-21swapper/209:45:232
134992099362,4cyclictest0-21swapper/110:45:011
1349920993620,11cyclictest0-21swapper/112:15:001
134992099361,4cyclictest0-21swapper/108:30:011
1349920993614,11cyclictest0-21swapper/107:10:021
134992099361,2cyclictest0-21swapper/110:15:001
134991699361,33cyclictest0-21swapper/011:55:120
1349922993526,7cyclictest0-21swapper/210:30:282
1349922993524,3cyclictest1349927-21apt-config07:10:012
1349922993523,8cyclictest0-21swapper/208:50:012
1349922993521,9cyclictest0-21swapper/212:00:202
1349920993525,7cyclictest1378938-21grep09:55:301
1349920993524,4cyclictest0-21swapper/110:00:271
1349920993523,9cyclictest231ktimers/107:20:181
134992099352,16cyclictest0-21swapper/112:25:011
1349920993520,8cyclictest0-21swapper/111:40:001
1349922993426,4cyclictest0-21swapper/209:35:222
1349922993426,4cyclictest0-21swapper/208:20:282
1349922993425,5cyclictest1401348-21/usr/sbin/munin12:10:192
1349920993426,5cyclictest14-21rcu_preempt07:45:211
1349920993426,4cyclictest14-21rcu_preempt11:50:291
1349920993422,8cyclictest231ktimers/110:30:051
1349920993419,8cyclictest0-21swapper/111:40:201
1349922993326,4cyclictest0-21swapper/207:50:302
1349922993320,8cyclictest0-21swapper/209:10:002
134992299331,25cyclictest1363941-21/usr/sbin/munin08:30:222
1349920993326,4cyclictest14-21rcu_preempt07:30:241
134992299327,18cyclictest1377538-21/usr/sbin/munin09:50:222
1349922993224,5cyclictest0-21swapper/209:25:002
1349922993224,4cyclictest0-21swapper/209:40:282
1349922993224,4cyclictest0-21swapper/209:15:212
1349922993223,7cyclictest311ktimers/210:35:262
1349922993223,5cyclictest0-21swapper/207:30:262
1349922993223,5cyclictest0-21swapper/207:15:232
1349922993217,11cyclictest311ktimers/211:05:142
134992299321,3cyclictest1374528-21ps09:30:312
134992099323,19cyclictest1402725-21tail12:15:311
134992099323,19cyclictest1366899-21ptp4l08:45:261
1349920993222,7cyclictest0-21swapper/110:35:271
134992099322,17cyclictest1355510-21/usr/sbin/munin07:40:191
1349920993217,11cyclictest0-21swapper/109:50:001
134992099321,2cyclictest0-21swapper/111:15:011
1349922993126,3cyclictest0-21swapper/207:55:272
1349922993120,8cyclictest0-21swapper/208:00:332
1349922993120,8cyclictest0-21swapper/208:00:322
1349922993119,8cyclictest0-21swapper/211:20:212
134992299311,4cyclictest1391481-21irqstats11:10:262
134992299311,25cyclictest0-21swapper/209:25:172
134992299311,25cyclictest0-21swapper/207:35:202
1349920993123,5cyclictest0-21swapper/107:50:301
1349920993119,7cyclictest0-21swapper/112:35:271
1349920993117,10cyclictest1389603-21dropbear11:00:161
1349920993115,9cyclictest1386982-21dropbear10:45:181
1349920993115,9cyclictest1386982-21dropbear10:45:171
134992099311,23cyclictest0-21swapper/111:05:081
1349922993022,4cyclictest0-21swapper/212:25:292
1349922993021,6cyclictest0-21swapper/208:50:212
1349922993020,8cyclictest0-21swapper/208:05:212
1349922993020,7cyclictest1371338-21munin-plugin-st09:15:002
134992299301,27cyclictest1392060-21/usr/sbin/munin11:15:152
134992299301,27cyclictest0-21swapper/211:55:272
1349920993023,4cyclictest22-21rcuc/108:00:201
1349920993023,4cyclictest22-21rcuc/108:00:201
1349922992922,5cyclictest1401151-21munin-plugin-st12:10:002
1349922992921,6cyclictest311ktimers/210:10:332
1349922992916,9cyclictest311ktimers/210:40:162
134992299291,26cyclictest0-21swapper/207:27:492
1349920992920,6cyclictest22-21rcuc/109:20:181
1349922992820,6cyclictest1361400-21/usr/sbin/munin08:15:242
1349922992819,7cyclictest0-21swapper/208:55:212
1349922992819,5cyclictest0-21swapper/211:00:272
1349922992816,8cyclictest0-21swapper/208:25:222
1349922992716,8cyclictest311ktimers/210:45:272
1349922992716,8cyclictest311ktimers/210:45:272
1349922992618,6cyclictest0-21swapper/211:30:182
1349922992618,6cyclictest0-21swapper/211:30:182
1349922992418,4cyclictest1349910-21cyclictest11:50:012
1349922992418,4cyclictest1349910-21cyclictest11:50:012
1349922992418,3cyclictest0-21swapper/211:35:192
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