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2026-03-07 - 02:11

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack8slot6s.osadl.org (updated Fri Mar 06, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14460991918,1cyclictest65850irq/126-lan12:10:142
14460991917,1cyclictest65850irq/126-lan10:23:392
14460991915,3cyclictest65850irq/126-lan11:00:002
14460991818,0cyclictest65850irq/126-lan11:00:152
14460991818,0cyclictest65850irq/126-lan07:55:122
14460991817,1cyclictest65850irq/126-lan11:35:112
14460991717,0cyclictest65850irq/126-lan11:08:062
14460991717,0cyclictest65850irq/126-lan10:15:472
14460991717,0cyclictest65850irq/126-lan09:51:242
14460991717,0cyclictest65850irq/126-lan09:45:122
14460991717,0cyclictest65850irq/126-lan08:03:302
14460991717,0cyclictest65850irq/126-lan07:40:152
14460991716,1cyclictest65850irq/126-lan09:15:132
14460991716,1cyclictest65850irq/126-lan07:50:112
14460991715,2cyclictest65850irq/126-lan12:30:202
14460991616,0cyclictest65850irq/126-lan11:27:482
14460991616,0cyclictest65850irq/126-lan07:45:152
14460991615,1cyclictest65850irq/126-lan10:40:142
14460991615,1cyclictest65850irq/126-lan09:40:192
14460991615,1cyclictest65850irq/126-lan09:07:332
14460991615,1cyclictest65850irq/126-lan08:40:152
14460991515,0cyclictest65850irq/126-lan12:05:162
14460991515,0cyclictest65850irq/126-lan10:10:142
14460991515,0cyclictest65850irq/126-lan10:05:202
14460991515,0cyclictest65850irq/126-lan10:00:122
14460991515,0cyclictest65850irq/126-lan08:53:352
14460991515,0cyclictest65850irq/126-lan08:37:412
14460991515,0cyclictest65850irq/126-lan07:35:272
14460991515,0cyclictest65850irq/126-lan07:19:402
14460991515,0cyclictest65850irq/126-lan07:10:122
14460991514,1cyclictest65850irq/126-lan10:25:182
14460991514,1cyclictest65850irq/126-lan08:45:182
14460991514,1cyclictest65850irq/126-lan08:10:132
14460991514,1cyclictest65850irq/126-lan08:08:322
14460991414,0cyclictest65850irq/126-lan12:38:412
14460991414,0cyclictest65850irq/126-lan11:50:162
14460991414,0cyclictest65850irq/126-lan11:15:212
14460991414,0cyclictest65850irq/126-lan09:30:142
14460991414,0cyclictest65850irq/126-lan09:00:222
14460991313,0cyclictest65850irq/126-lan10:50:232
14460991313,0cyclictest65850irq/126-lan10:33:512
14460991313,0cyclictest65850irq/126-lan09:35:112
14460991313,0cyclictest65850irq/126-lan09:25:152
14460991313,0cyclictest65850irq/126-lan08:26:402
14460991312,1cyclictest65850irq/126-lan12:15:132
14460991312,1cyclictest65850irq/126-lan11:55:182
14460991312,1cyclictest65850irq/126-lan11:45:162
14460991312,1cyclictest65850irq/126-lan11:20:162
14460991312,1cyclictest65850irq/126-lan09:20:132
14460991312,1cyclictest65850irq/126-lan08:20:172
14460991212,0cyclictest65850irq/126-lan08:30:002
14460991212,0cyclictest65850irq/126-lan07:20:152
14460991211,1cyclictest65850irq/126-lan12:25:152
14460991211,1cyclictest65850irq/126-lan07:30:132
14460991111,0cyclictest65850irq/126-lan11:10:162
14460991111,0cyclictest65850irq/126-lan10:35:192
14460991111,0cyclictest65850irq/126-lan07:25:112
1445699117,1cyclictest743-21snmpd09:40:341
1445699117,1cyclictest11624-21fschecks_time12:15:131
1445699115,3cyclictest743-21snmpd11:39:011
1446099109,1cyclictest65850irq/126-lan11:40:102
1446099109,1cyclictest65850irq/126-lan09:55:162
1446099109,1cyclictest65850irq/126-lan08:15:172
14460991010,0cyclictest65850irq/126-lan12:00:162
1445699108,2cyclictest741-21lldpd11:53:111
144659998,1cyclictest743-21snmpd10:07:463
144659998,1cyclictest741-21lldpd09:48:433
144609999,0cyclictest65850irq/126-lan11:30:192
144609999,0cyclictest65850irq/126-lan08:55:112
144569998,1cyclictest743-21snmpd07:13:191
144569996,1cyclictest743-21snmpd08:36:521
144519998,1cyclictest743-21snmpd08:38:580
144519998,1cyclictest743-21snmpd08:09:480
144659988,0cyclictest743-21snmpd11:49:203
144659988,0cyclictest743-21snmpd11:43:013
144659988,0cyclictest743-21snmpd09:57:463
144659988,0cyclictest743-21snmpd08:26:093
144659988,0cyclictest743-21snmpd08:01:323
144659988,0cyclictest741-21lldpd11:12:163
144659988,0cyclictest741-21lldpd11:05:443
144659988,0cyclictest741-21lldpd09:18:223
144659988,0cyclictest741-21lldpd09:04:243
144659988,0cyclictest741-21lldpd08:18:353
144659987,1cyclictest743-21snmpd10:27:263
144659987,1cyclictest743-21snmpd07:45:413
144659987,1cyclictest741-21lldpd09:20:053
144659987,1cyclictest741-21lldpd08:47:583
144659986,2cyclictest743-21snmpd10:21:403
144659986,2cyclictest743-21snmpd08:32:133
144659985,3cyclictest10937-21cat10:55:153
144609987,1cyclictest741-21lldpd09:10:542
144609986,2cyclictest743-21snmpd12:22:182
144569988,0cyclictest741-21lldpd10:26:031
144569988,0cyclictest741-21lldpd07:20:091
144569986,2cyclictest743-21snmpd12:01:541
144569986,2cyclictest743-21snmpd11:48:021
144569986,2cyclictest743-21snmpd11:26:581
144569986,2cyclictest743-21snmpd11:11:361
144569986,2cyclictest743-21snmpd09:02:251
144569986,2cyclictest717-21ntpd08:25:121
144569986,2cyclictest717-21ntpd08:10:121
144569986,2cyclictest717-21ntpd07:55:461
144519988,0cyclictest743-21snmpd12:10:020
144519988,0cyclictest743-21snmpd12:04:050
144519988,0cyclictest743-21snmpd10:44:170
144519988,0cyclictest743-21snmpd07:14:190
144519988,0cyclictest741-21lldpd10:56:380
144519988,0cyclictest741-21lldpd09:08:060
144519987,1cyclictest743-21snmpd12:33:060
144519987,1cyclictest743-21snmpd10:45:120
144519987,1cyclictest743-21snmpd07:59:350
144519987,1cyclictest741-21lldpd07:41:070
144519986,2cyclictest743-21snmpd11:32:020
144519986,2cyclictest743-21snmpd10:54:320
144519986,2cyclictest743-21snmpd10:17:410
144519986,2cyclictest743-21snmpd09:30:500
144519986,2cyclictest2837-21cat10:35:160
144659977,0cyclictest743-21snmpd09:06:153
144659977,0cyclictest743-21snmpd08:09:093
144659977,0cyclictest741-21lldpd11:28:343
144659977,0cyclictest741-21lldpd11:16:073
144659976,1cyclictest743-21snmpd09:52:153
144659976,1cyclictest743-21snmpd09:29:383
144659976,1cyclictest743-21snmpd07:10:433
144659975,2cyclictest743-21snmpd12:06:473
144659975,2cyclictest743-21snmpd09:38:123
144659975,2cyclictest743-21snmpd09:31:053
144659975,2cyclictest26808-21dump-pmu-power11:35:013
144609970,4cyclictest7247-21ntpq10:45:152
144569977,0cyclictest743-21snmpd09:33:321
144569977,0cyclictest741-21lldpd12:27:161
144569977,0cyclictest741-21lldpd09:52:311
144569976,1cyclictest741-21lldpd07:35:371
144569976,1cyclictest717-21ntpd11:15:191
144569976,1cyclictest717-21ntpd10:50:191
144569976,1cyclictest717-21ntpd07:45:141
144569976,1cyclictest717-21ntpd07:25:151
144569976,1cyclictest522-21avahi-daemon08:22:501
144569975,2cyclictest743-21snmpd11:01:131
144569975,2cyclictest743-21snmpd08:19:541
144569975,2cyclictest717-21ntpd12:20:151
144569975,2cyclictest717-21ntpd10:43:411
144569975,2cyclictest717-21ntpd10:20:121
144569975,2cyclictest717-21ntpd08:05:171
144569975,2cyclictest717-21ntpd07:30:141
144519977,0cyclictest743-21snmpd11:59:290
144519977,0cyclictest743-21snmpd11:20:570
144519977,0cyclictest743-21snmpd10:06:040
144519977,0cyclictest743-21snmpd09:14:450
144519977,0cyclictest743-21snmpd08:22:450
144519977,0cyclictest743-21snmpd07:50:030
144519977,0cyclictest741-21lldpd12:36:310
144519977,0cyclictest741-21lldpd12:06:370
144519977,0cyclictest741-21lldpd11:04:130
144519977,0cyclictest741-21lldpd10:30:120
144519977,0cyclictest741-21lldpd09:52:450
144519977,0cyclictest741-21lldpd07:25:490
144519977,0cyclictest522-21avahi-daemon08:43:500
144519976,1cyclictest741-21lldpd11:49:460
144519976,1cyclictest522-21avahi-daemon09:02:490
144519975,2cyclictest743-21snmpd12:23:580
144519975,2cyclictest743-21snmpd11:50:350
144519975,2cyclictest743-21snmpd10:25:190
144519975,2cyclictest743-21snmpd09:57:270
144519975,2cyclictest743-21snmpd08:55:230
144519975,2cyclictest743-21snmpd08:53:370
144659966,0cyclictest743-21snmpd12:38:063
144659966,0cyclictest741-21lldpd08:11:093
144659966,0cyclictest741-21lldpd07:37:053
144659966,0cyclictest522-21avahi-daemon12:02:333
144659965,1cyclictest8907-21cat10:50:163
144659965,1cyclictest743-21snmpd08:40:223
144659965,1cyclictest392-21cpuspeed_turbos10:30:123
144659965,1cyclictest21547-21cat07:25:133
144659964,2cyclictest743-21snmpd12:13:113
144659964,2cyclictest20685-21apt-get10:00:103
144659963,3cyclictest557-21NetworkManager11:35:213
144659962,3cyclictest4711-21grep10:40:123
144569966,0cyclictest743-21snmpd09:07:201
144569966,0cyclictest522-21avahi-daemon11:06:531
144569965,1cyclictest743-21snmpd09:10:061
144569965,1cyclictest717-21ntpd12:35:211
144569965,1cyclictest717-21ntpd10:15:121
144569965,1cyclictest522-21avahi-daemon10:10:181
144569964,2cyclictest822-21cat10:30:151
144569964,2cyclictest717-21ntpd09:25:221
144569964,2cyclictest717-21ntpd08:30:141
144569962,3cyclictest30444-21sed11:40:191
144519966,0cyclictest743-21snmpd12:17:110
144519966,0cyclictest743-21snmpd11:28:250
144519966,0cyclictest743-21snmpd08:01:410
144519966,0cyclictest741-21lldpd11:35:090
144519966,0cyclictest741-21lldpd11:11:120
144519965,1cyclictest743-21snmpd11:16:100
144519965,1cyclictest743-21snmpd09:37:420
144519965,1cyclictest743-21snmpd09:20:350
144519965,1cyclictest2138-21cpuspeed_turbos09:15:130
144519964,2cyclictest743-21snmpd12:26:300
144659955,0cyclictest743-21snmpd07:23:163
144659955,0cyclictest741-21lldpd09:40:393
144659955,0cyclictest522-21avahi-daemon08:36:103
144659954,1cyclictest24564-21needreboot08:50:153
144659954,1cyclictest2341-21needreboot07:55:143
144659954,1cyclictest0-21swapper/308:55:203
144659953,2cyclictest743-21snmpd11:58:023
144659953,2cyclictest743-21snmpd10:49:113
144659953,2cyclictest4148-21cron10:40:003
144659953,2cyclictest25086-21head10:10:143
144659952,2cyclictest1788-21wc11:50:193
144659951,3cyclictest14486-21switchtime12:20:193
144659950,4cyclictest23727-21diskstats07:30:143
144659950,4cyclictest17467-21ntpq07:15:173
144659950,4cyclictest16196-21ntpq12:25:173
144569954,1cyclictest743-21snmpd08:53:251
144569954,1cyclictest741-21lldpd09:55:061
144569954,1cyclictest717-21ntpd07:50:191
144569954,1cyclictest522-21avahi-daemon12:11:431
144569954,1cyclictest522-21avahi-daemon07:15:421
144569954,1cyclictest22697-21ntpq08:45:171
144569954,1cyclictest21109-21cpuspeed_turbos11:20:121
144569954,1cyclictest20758-21cpuspeed_turbos10:00:111
144569953,2cyclictest743-21snmpd09:22:591
144569953,2cyclictest717-21ntpd10:55:131
144569953,2cyclictest717-21ntpd10:45:141
144569953,2cyclictest717-21ntpd09:15:231
144569953,2cyclictest717-21ntpd07:41:501
144569952,3cyclictest557-21NetworkManager09:39:121
144569952,2cyclictest717-21ntpd10:35:191
144569952,2cyclictest3759-21apt-get08:00:121
144569952,2cyclictest3190-21iwlist11:55:141
144569952,2cyclictest23240-21sed10:05:151
144519955,0cyclictest522-21avahi-daemon08:31:370
144519954,1cyclictest16716-21cpuspeed_turbos07:15:110
144519953,2cyclictest743-21snmpd08:10:090
144519953,2cyclictest743-21snmpd07:36:500
144519953,2cyclictest575-21rs:main0
144519952,3cyclictest717-21ntpd08:45:130
144519952,3cyclictest14822-21cut11:05:130
144519952,2cyclictest24300-21awk07:30:170
144519952,2cyclictest22647-21cat10:05:000
144659943,1cyclictest11916-21cpuspeed_turbos08:20:123
144659943,1cyclictest0-21swapper/311:00:183
144659942,2cyclictest743-21snmpd12:18:393
144659942,2cyclictest344-21ld07:50:153
144659942,2cyclictest22232-21sed11:20:203
144659941,3cyclictest27892-21chmod07:40:003
144659941,2cyclictest27784-21cat10:15:193
144659940,3cyclictest783-21ntpq09:10:163
144659940,3cyclictest17635-21diskstats12:30:133
144569943,1cyclictest15013-21ntpq09:45:161
144569942,2cyclictest743-21snmpd12:05:031
144569942,2cyclictest20151-21grep08:40:111
144569941,2cyclictest17631-21df_inode12:30:121
144569940,3cyclictest26646-21perl08:55:131
144519943,1cyclictest0-21swapper/007:45:130
144519942,2cyclictest12187-21apt-get09:40:120
144519941,3cyclictest28926-21diskstats10:20:120
144519941,2cyclictest25325-21cat10:10:140
144519941,2cyclictest10706-21sed08:15:170
144519940,4cyclictest6821-21ntpq09:25:170
144519940,4cyclictest19449-21ntpq07:20:210
144519940,3cyclictest29887-21ntpq11:40:150
144519940,3cyclictest14366-21diskstats09:45:110
144569930,3cyclictest25226-21diskstats11:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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