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2026-06-16 - 05:08

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 the 376 highest latencies:
System rack8slot6s.osadl.org (updated Tue Jun 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31163992019,1cyclictest65850irq/126-lan21:06:563
31163992018,0cyclictest65850irq/126-lan23:50:143
31163992018,0cyclictest65850irq/126-lan22:47:233
31163991918,1cyclictest65850irq/126-lan21:00:203
31163991918,1cyclictest65850irq/126-lan19:35:113
31163991817,1cyclictest65850irq/126-lan23:45:143
31163991817,1cyclictest65850irq/126-lan22:25:143
31163991817,1cyclictest65850irq/126-lan21:25:163
31163991817,1cyclictest65850irq/126-lan21:10:133
31163991817,1cyclictest65850irq/126-lan19:50:133
31163991817,1cyclictest65850irq/126-lan19:45:173
31163991717,0cyclictest65850irq/126-lan00:30:103
31163991716,1cyclictest65850irq/126-lan22:10:133
31163991716,1cyclictest65850irq/126-lan21:50:213
31163991716,1cyclictest65850irq/126-lan20:59:513
31163991716,1cyclictest65850irq/126-lan19:55:203
31163991616,0cyclictest65850irq/126-lan22:40:173
31163991616,0cyclictest65850irq/126-lan22:00:013
31163991616,0cyclictest65850irq/126-lan00:18:253
31163991615,1cyclictest65850irq/126-lan23:12:523
31163991615,1cyclictest65850irq/126-lan23:00:113
31163991615,1cyclictest65850irq/126-lan21:20:173
31163991615,1cyclictest65850irq/126-lan21:20:173
31163991615,1cyclictest65850irq/126-lan21:15:163
31163991615,1cyclictest65850irq/126-lan20:53:233
31163991615,1cyclictest65850irq/126-lan20:25:213
31163991615,1cyclictest65850irq/126-lan00:35:143
31163991515,0cyclictest65850irq/126-lan22:50:123
31163991515,0cyclictest65850irq/126-lan21:47:013
31163991515,0cyclictest65850irq/126-lan20:35:163
31163991515,0cyclictest65850irq/126-lan19:40:153
31163991514,1cyclictest65850irq/126-lan23:15:183
31163991414,0cyclictest65850irq/126-lan23:35:133
31163991414,0cyclictest65850irq/126-lan22:20:203
31163991414,0cyclictest65850irq/126-lan21:32:123
31163991414,0cyclictest65850irq/126-lan20:22:233
31163991414,0cyclictest65850irq/126-lan00:28:243
31163991413,1cyclictest65850irq/126-lan22:55:123
31163991413,1cyclictest65850irq/126-lan21:35:153
31163991413,1cyclictest65850irq/126-lan20:30:163
31163991413,1cyclictest65850irq/126-lan19:30:103
31163991413,1cyclictest65850irq/126-lan19:25:163
31163991413,1cyclictest65850irq/126-lan19:15:153
31163991413,1cyclictest65850irq/126-lan00:20:163
31163991413,1cyclictest65850irq/126-lan00:10:203
31163991313,0cyclictest65850irq/126-lan00:02:233
31163991312,1cyclictest65850irq/126-lan23:40:153
31163991312,1cyclictest65850irq/126-lan23:05:193
31163991312,1cyclictest65850irq/126-lan20:10:133
31163991212,0cyclictest65850irq/126-lan23:55:173
31163991212,0cyclictest65850irq/126-lan22:15:163
31163991212,0cyclictest65850irq/126-lan00:05:133
31163991211,1cyclictest65850irq/126-lan22:30:113
31163991211,1cyclictest65850irq/126-lan20:00:123
31163991211,1cyclictest65850irq/126-lan19:10:003
31163991111,0cyclictest65850irq/126-lan23:23:253
31163991111,0cyclictest65850irq/126-lan22:35:143
31163991111,0cyclictest65850irq/126-lan22:05:163
31163991111,0cyclictest65850irq/126-lan21:40:153
31163991111,0cyclictest65850irq/126-lan20:46:283
31163991111,0cyclictest65850irq/126-lan20:05:143
31163991110,1cyclictest65850irq/126-lan20:40:203
31163991110,1cyclictest65850irq/126-lan20:15:153
31163991110,1cyclictest65850irq/126-lan19:20:133
31163991010,0cyclictest65850irq/126-lan21:55:103
3115899108,1cyclictest741-21lldpd21:25:222
311589998,1cyclictest743-21snmpd21:16:502
311589998,1cyclictest741-21lldpd21:21:202
311589998,1cyclictest741-21lldpd21:21:202
311589992,5cyclictest17202-21users21:10:222
311589992,4cyclictest3278-21seq00:35:472
311589991,6cyclictest27592-21taskset21:39:032
311589991,6cyclictest13136-21seq19:43:512
311589991,5cyclictest23153-21taskset20:08:102
311589991,4cyclictest25071-21taskset20:11:592
311529998,1cyclictest743-21snmpd21:55:421
311529998,1cyclictest743-21snmpd19:39:081
311529998,1cyclictest741-21lldpd20:01:111
311439996,3cyclictest743-21snmpd21:52:390
311639987,1cyclictest65850irq/126-lan23:30:143
311589988,0cyclictest743-21snmpd23:39:312
311589988,0cyclictest743-21snmpd20:28:212
311589988,0cyclictest741-21lldpd23:56:022
311589988,0cyclictest741-21lldpd23:14:522
311589988,0cyclictest741-21lldpd23:03:282
311589987,1cyclictest743-21snmpd20:16:362
311589987,1cyclictest743-21snmpd20:00:472
311589986,2cyclictest9897-21cat19:35:132
311589986,2cyclictest743-21snmpd22:23:292
311589986,2cyclictest743-21snmpd00:06:202
311589982,4cyclictest928-21taskset19:12:502
311589982,4cyclictest3375-21taskset23:16:062
311589982,4cyclictest25802-21taskset22:52:322
311589982,4cyclictest22789-21memory22:45:152
311589982,4cyclictest17898-21taskset22:34:472
311589982,4cyclictest14863-21chrt21:06:272
311589982,3cyclictest974-21taskset21:50:252
311589982,3cyclictest12098-21ntp_192.168.11421:00:152
311589982,2cyclictest0-21swapper/221:45:212
311589981,5cyclictest29085-21ntpq00:20:172
311589981,5cyclictest27134-21ntpq22:55:192
311589981,5cyclictest2449-21ntpq21:55:162
311589981,5cyclictest14847-21ntpq23:45:162
311589981,5cyclictest0-21swapper/219:20:122
311589981,4cyclictest652-21ntpq00:30:152
311589981,4cyclictest4858-21ntpq22:00:152
311589981,3cyclictest4850-21taskset20:42:292
311589981,3cyclictest19923-21chrt22:39:572
311529988,0cyclictest743-21snmpd20:21:511
311529988,0cyclictest741-21lldpd23:28:081
311529987,1cyclictest743-21snmpd22:48:201
311529987,1cyclictest743-21snmpd21:26:291
311529987,1cyclictest743-21snmpd19:52:441
311529987,1cyclictest32523-21fschecks_time00:30:121
311529986,2cyclictest743-21snmpd23:17:271
311529986,2cyclictest743-21snmpd21:04:471
311529986,2cyclictest743-21snmpd20:46:311
311529986,2cyclictest743-21snmpd19:43:231
311529986,2cyclictest743-21snmpd19:23:371
311529986,2cyclictest32440-21cat21:50:141
311439988,0cyclictest743-21snmpd23:16:210
311439988,0cyclictest743-21snmpd00:15:200
311439988,0cyclictest741-21lldpd22:40:470
311439988,0cyclictest741-21lldpd21:17:560
311439988,0cyclictest741-21lldpd20:26:160
311439988,0cyclictest741-21lldpd19:36:250
311439987,1cyclictest743-21snmpd21:49:210
311439987,1cyclictest743-21snmpd21:41:510
311439987,1cyclictest741-21lldpd22:00:130
311439987,1cyclictest741-21lldpd21:26:480
311439986,2cyclictest743-21snmpd21:03:350
311439986,2cyclictest2043-21cat21:55:130
311639975,2cyclictest743-21snmpd23:28:333
311589976,1cyclictest741-21lldpd20:20:012
311589975,2cyclictest743-21snmpd22:07:132
311589972,3cyclictest6017-21ntp_192.168.11420:45:142
311589972,3cyclictest5814-21hddtemp_smartct19:25:152
311589972,3cyclictest31107-21ntpq00:25:162
311589972,3cyclictest12457-21hddtemp_smartct23:40:122
311589972,3cyclictest10403-21fw_conntrack22:15:132
311589972,3cyclictest0-21swapper/219:50:172
311589972,2cyclictest8911-21taskset19:31:472
311589972,2cyclictest0-21swapper/221:30:152
311589971,5cyclictest5479-21chrt23:21:562
311589971,5cyclictest21869-21chrt00:04:392
311589971,4cyclictest6457-21irqstats23:25:152
311589971,4cyclictest31054-21ntpq23:05:182
311589971,4cyclictest2882-21chrt19:17:032
311589971,4cyclictest21101-21expr22:40:192
311589971,4cyclictest18283-21ntpq19:55:172
311589971,4cyclictest10144-21ntpq20:55:162
311589971,4cyclictest0-21swapper/223:30:192
311589971,4cyclictest0-21swapper/222:10:022
311589971,4cyclictest0-21swapper/221:40:132
311589971,3cyclictest32436-21ntpq20:30:162
311589971,3cyclictest27619-21seq00:16:102
311589971,3cyclictest16195-21cpuspeed_turbos23:50:102
311589971,3cyclictest14553-21hddtemp_smartct22:25:132
311589971,3cyclictest1447-21diskstats20:35:142
311589971,3cyclictest0-21swapper/220:50:162
311589971,3cyclictest0-21swapper/219:45:112
311529977,0cyclictest743-21snmpd23:58:401
311529977,0cyclictest743-21snmpd23:41:041
311529977,0cyclictest743-21snmpd22:40:501
311529977,0cyclictest743-21snmpd22:00:301
311529977,0cyclictest743-21snmpd20:58:161
311529977,0cyclictest743-21snmpd20:30:301
311529977,0cyclictest741-21lldpd21:36:131
311529976,1cyclictest741-21lldpd20:54:061
311529976,1cyclictest522-21avahi-daemon23:36:051
311529976,1cyclictest522-21avahi-daemon20:16:001
311529975,2cyclictest743-21snmpd23:48:251
311529975,2cyclictest743-21snmpd19:14:191
311439977,0cyclictest743-21snmpd22:45:440
311439977,0cyclictest741-21lldpd23:53:040
311439977,0cyclictest741-21lldpd23:30:260
311439977,0cyclictest741-21lldpd21:10:300
311439977,0cyclictest741-21lldpd19:53:530
311439977,0cyclictest741-21lldpd19:33:210
311439977,0cyclictest741-21lldpd19:15:490
311439976,1cyclictest743-21snmpd23:12:310
311439976,1cyclictest743-21snmpd22:16:400
311439976,1cyclictest743-21snmpd19:22:040
311439976,1cyclictest743-21snmpd00:28:210
311439976,1cyclictest741-21lldpd00:13:200
311439975,2cyclictest743-21snmpd23:55:200
311439975,2cyclictest743-21snmpd22:10:550
311439975,2cyclictest743-21snmpd00:36:000
311439973,3cyclictest32490-21ntp_states20:30:170
311439972,2cyclictest21359-21cat20:05:000
311589961,3cyclictest24338-21df00:10:122
311529966,0cyclictest743-21snmpd22:25:101
311529966,0cyclictest743-21snmpd21:42:541
311529966,0cyclictest743-21snmpd20:35:151
311529966,0cyclictest743-21snmpd19:28:041
311529966,0cyclictest741-21lldpd23:34:401
311529966,0cyclictest741-21lldpd20:27:171
311529966,0cyclictest741-21lldpd19:31:111
311529966,0cyclictest741-21lldpd00:10:371
311529966,0cyclictest522-21avahi-daemon21:19:391
311529966,0cyclictest18569-21gltestperf22:35:141
311529965,1cyclictest10187-21cpuspeed_turbos22:15:121
311529964,2cyclictest743-21snmpd22:34:051
311529964,2cyclictest743-21snmpd19:59:441
311529964,2cyclictest743-21snmpd00:20:351
311529964,2cyclictest30745-21cat23:05:151
311529963,2cyclictest244-20systemd-journal00:00:001
311529963,2cyclictest24251-21apt-get22:50:111
311529962,3cyclictest32636-21grep23:10:131
311439966,0cyclictest743-21snmpd20:45:160
311439966,0cyclictest743-21snmpd19:44:560
311439966,0cyclictest741-21lldpd23:48:340
311439966,0cyclictest741-21lldpd23:35:520
311439966,0cyclictest741-21lldpd22:09:370
311439966,0cyclictest741-21lldpd00:24:110
311439966,0cyclictest741-21lldpd00:08:490
311439966,0cyclictest31135-21cyclictest20:20:180
311439965,1cyclictest743-21snmpd19:12:150
311439964,2cyclictest743-21snmpd22:53:320
311439964,2cyclictest743-21snmpd22:32:290
311439964,2cyclictest743-21snmpd20:39:100
311439963,3cyclictest27082-21cron20:17:000
311439963,3cyclictest0-21swapper/021:35:130
311439962,3cyclictest14945-21ntp_kernel_pll_22:25:160
311529955,0cyclictest741-21lldpd23:02:041
311529955,0cyclictest741-21lldpd20:07:311
311529953,2cyclictest743-21snmpd22:20:431
311529953,2cyclictest743-21snmpd20:43:241
311529953,2cyclictest743-21snmpd00:29:211
311529952,3cyclictest743-21snmpd19:17:371
311529952,3cyclictest557-21NetworkManager21:47:441
311529952,2cyclictest7583-21sshd22:07:031
311529952,2cyclictest575-21rs:main1
311529952,2cyclictest3634-21pluginstate00:40:001
311529952,2cyclictest15014-21seq19:47:111
311529952,2cyclictest13412-21apt-get21:05:111
311529951,3cyclictest23972-21ls20:10:151
311529951,3cyclictest22326-21df00:05:121
311439955,0cyclictest522-21avahi-daemon20:12:150
311439953,2cyclictest743-21snmpd23:08:300
311439953,0cyclictest0-21swapper/000:34:500
311439952,3cyclictest743-21snmpd22:20:130
311439952,3cyclictest6448-21cat23:25:150
311439952,2cyclictest29089-21gcc23:00:170
311439952,2cyclictest18849-21grep22:35:160
311439952,2cyclictest14684-21sed19:45:200
311439952,2cyclictest13959-21cat21:05:140
311439951,4cyclictest28061-21basename23:00:000
311439951,3cyclictest10465-21cat20:55:200
311439950,4cyclictest21923-21expr20:05:160
311439950,0cyclictest0-21swapper/000:00:120
311529943,1cyclictest0-21swapper/121:10:121
311529942,2cyclictest8403-21tail22:10:131
311529942,2cyclictest4253-21cut23:20:121
311529942,2cyclictest19896-21apt-get21:20:111
311529942,2cyclictest19896-21apt-get21:20:111
311529942,2cyclictest16516-21cat23:50:121
311529941,3cyclictest743-21snmpd21:30:141
311529940,3cyclictest27527-21unixbench_multi22:55:221
311439943,1cyclictest6156-21ntpq19:25:170
311439943,1cyclictest12246-21fschecks_count23:40:120
311439942,2cyclictest743-21snmpd23:20:390
311439941,2cyclictest7849-21latency20:50:140
311439941,2cyclictest4708-21pool-udisksd20:40:460
311439941,2cyclictest24124-21fschecks_count21:30:120
311439941,2cyclictest18039-21sed19:55:150
311439940,3cyclictest19917-21grep21:20:110
311439940,3cyclictest19917-21grep21:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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