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2026-06-10 - 03:54

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 Wed Jun 10, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19824991918,1cyclictest65850irq/126-lan23:45:191
19824991818,0cyclictest743-21snmpd21:31:231
19824991818,0cyclictest65850irq/126-lan22:00:141
19824991817,1cyclictest743-21snmpd23:03:461
19824991817,1cyclictest65850irq/126-lan19:50:121
19824991717,0cyclictest743-21snmpd23:19:131
19824991717,0cyclictest743-21snmpd21:06:501
19824991717,0cyclictest65850irq/126-lan23:30:211
19824991717,0cyclictest65850irq/126-lan22:55:141
19824991717,0cyclictest65850irq/126-lan21:45:211
19824991717,0cyclictest65850irq/126-lan20:44:301
19824991717,0cyclictest65850irq/126-lan19:40:131
19824991717,0cyclictest65850irq/126-lan19:15:131
19824991717,0cyclictest65850irq/126-lan00:30:141
19824991717,0cyclictest30444-21cat22:10:141
19824991717,0cyclictest20641-21cat00:25:141
19824991717,0cyclictest10153-21cat22:40:151
19824991716,1cyclictest65850irq/126-lan23:35:161
19824991716,1cyclictest65850irq/126-lan21:55:131
19824991716,1cyclictest65850irq/126-lan20:55:141
19824991716,1cyclictest65850irq/126-lan20:52:201
19824991716,1cyclictest65850irq/126-lan20:25:201
19824991716,1cyclictest65850irq/126-lan20:10:141
19824991716,1cyclictest65850irq/126-lan19:35:151
19824991716,1cyclictest65850irq/126-lan19:30:161
19824991616,0cyclictest743-21snmpd20:23:571
19824991616,0cyclictest743-21snmpd20:18:431
19824991616,0cyclictest65850irq/126-lan22:05:131
19824991616,0cyclictest65850irq/126-lan21:35:151
19824991616,0cyclictest65850irq/126-lan21:00:211
19824991616,0cyclictest65850irq/126-lan00:20:181
19824991616,0cyclictest65850irq/126-lan00:15:191
19824991616,0cyclictest22273-21cat23:10:141
19824991615,1cyclictest65850irq/126-lan23:50:131
19824991615,1cyclictest65850irq/126-lan23:25:201
19824991615,1cyclictest65850irq/126-lan22:20:111
19824991515,0cyclictest65850irq/126-lan23:55:131
19824991515,0cyclictest65850irq/126-lan20:46:441
19824991515,0cyclictest65850irq/126-lan20:39:031
19824991515,0cyclictest65850irq/126-lan20:30:021
19824991515,0cyclictest65850irq/126-lan19:45:121
19824991515,0cyclictest65850irq/126-lan19:10:161
19824991515,0cyclictest65850irq/126-lan00:35:161
19824991515,0cyclictest65850irq/126-lan00:00:001
19824991514,1cyclictest65850irq/126-lan22:30:201
19824991514,1cyclictest65850irq/126-lan21:17:431
19824991514,1cyclictest65850irq/126-lan21:17:421
19824991514,1cyclictest65850irq/126-lan20:00:131
19824991514,1cyclictest65850irq/126-lan19:24:131
19833991414,0cyclictest28418-21cat22:05:143
19824991414,0cyclictest65850irq/126-lan22:45:121
19824991414,0cyclictest65850irq/126-lan22:25:151
19824991414,0cyclictest65850irq/126-lan21:40:131
19824991414,0cyclictest65850irq/126-lan21:25:161
19824991414,0cyclictest65850irq/126-lan21:10:151
19824991414,0cyclictest65850irq/126-lan00:05:241
19824991413,1cyclictest65850irq/126-lan23:21:121
19824991413,1cyclictest65850irq/126-lan23:05:201
19824991313,0cyclictest65850irq/126-lan23:42:021
19824991313,0cyclictest65850irq/126-lan22:37:511
19824991313,0cyclictest65850irq/126-lan22:15:161
19824991313,0cyclictest65850irq/126-lan19:58:291
19824991313,0cyclictest65850irq/126-lan19:27:291
19824991312,1cyclictest65850irq/126-lan21:50:151
19824991312,1cyclictest65850irq/126-lan20:05:101
19833991212,0cyclictest743-21snmpd22:01:183
19824991212,0cyclictest65850irq/126-lan21:24:251
19824991212,0cyclictest65850irq/126-lan00:11:371
19824991010,0cyclictest65850irq/126-lan22:50:111
198339999,0cyclictest743-21snmpd21:50:453
198339999,0cyclictest743-21snmpd21:36:123
198339999,0cyclictest743-21snmpd20:22:063
198339999,0cyclictest743-21snmpd20:02:083
198339998,1cyclictest743-21snmpd22:29:293
198339998,1cyclictest743-21snmpd22:20:103
198339998,1cyclictest743-21snmpd19:56:303
198339998,1cyclictest741-21lldpd21:08:353
198339998,1cyclictest741-21lldpd00:08:163
198189998,1cyclictest743-21snmpd21:21:470
198189998,1cyclictest741-21lldpd20:44:410
198189997,2cyclictest10063-40systemctl00:00:010
198339988,0cyclictest743-21snmpd23:49:263
198339988,0cyclictest743-21snmpd23:37:013
198339988,0cyclictest743-21snmpd23:24:423
198339988,0cyclictest743-21snmpd22:42:243
198339988,0cyclictest743-21snmpd19:43:303
198339988,0cyclictest743-21snmpd19:27:323
198339988,0cyclictest741-21lldpd23:30:203
198339988,0cyclictest741-21lldpd00:16:133
198339988,0cyclictest741-21lldpd00:02:483
198339988,0cyclictest31688-21cat20:55:153
198339988,0cyclictest14191-21cat22:50:123
198339987,1cyclictest743-21snmpd23:44:203
198339987,1cyclictest743-21snmpd20:48:013
198339987,1cyclictest743-21snmpd00:25:553
198339987,1cyclictest743-21snmpd00:11:303
198339986,2cyclictest743-21snmpd22:31:413
198289988,0cyclictest741-21lldpd21:32:432
198289988,0cyclictest741-21lldpd19:39:202
198289987,1cyclictest743-21snmpd23:04:342
198289987,1cyclictest743-21snmpd19:21:522
198289987,1cyclictest743-21snmpd00:26:482
198289987,1cyclictest743-21snmpd00:00:092
198289986,2cyclictest743-21snmpd23:18:492
198289986,2cyclictest743-21snmpd22:12:322
198189988,0cyclictest743-21snmpd22:55:410
198189988,0cyclictest743-21snmpd22:16:530
198189988,0cyclictest743-21snmpd21:48:310
198189988,0cyclictest743-21snmpd20:29:270
198189988,0cyclictest743-21snmpd19:18:340
198189988,0cyclictest741-21lldpd23:55:170
198189988,0cyclictest741-21lldpd21:59:130
198189988,0cyclictest741-21lldpd21:19:340
198189988,0cyclictest741-21lldpd21:19:330
198189988,0cyclictest741-21lldpd20:30:480
198189988,0cyclictest741-21lldpd20:17:470
198189988,0cyclictest741-21lldpd20:10:300
198189988,0cyclictest741-21lldpd19:48:570
198189987,1cyclictest743-21snmpd23:49:380
198189987,1cyclictest743-21snmpd22:47:270
198189987,1cyclictest741-21lldpd22:41:000
198189987,1cyclictest522-21avahi-daemon23:39:310
198189986,2cyclictest743-21snmpd20:57:430
198189986,2cyclictest743-21snmpd20:50:070
198189986,2cyclictest743-21snmpd00:39:100
198189986,2cyclictest743-21snmpd00:12:020
198339977,0cyclictest743-21snmpd23:57:333
198339977,0cyclictest743-21snmpd23:12:073
198339977,0cyclictest743-21snmpd21:57:493
198339977,0cyclictest743-21snmpd21:29:273
198339977,0cyclictest743-21snmpd21:12:483
198339977,0cyclictest743-21snmpd20:28:013
198339977,0cyclictest743-21snmpd20:12:223
198339977,0cyclictest743-21snmpd19:51:113
198339977,0cyclictest743-21snmpd00:34:433
198339977,0cyclictest741-21lldpd23:19:323
198339977,0cyclictest741-21lldpd22:47:353
198339977,0cyclictest741-21lldpd21:18:183
198339977,0cyclictest741-21lldpd21:18:173
198339977,0cyclictest32453-21cat22:15:133
198339977,0cyclictest30966-21cat19:35:153
198339977,0cyclictest19926-21cat21:45:143
198339976,1cyclictest743-21snmpd19:31:013
198339976,1cyclictest741-21lldpd23:27:043
198339975,2cyclictest743-21snmpd23:05:153
198339975,1cyclictest743-21snmpd00:19:593
198339973,3cyclictest17774-21fw_packets21:40:143
198289977,0cyclictest743-21snmpd21:04:412
198289977,0cyclictest741-21lldpd22:28:252
198289977,0cyclictest741-21lldpd22:20:022
198289977,0cyclictest741-21lldpd20:19:042
198289977,0cyclictest522-21avahi-daemon22:01:462
198289976,1cyclictest743-21snmpd23:14:102
198289976,1cyclictest743-21snmpd20:08:592
198289976,1cyclictest741-21lldpd22:32:492
198289973,3cyclictest30060-21df_inode23:30:122
198189977,0cyclictest743-21snmpd23:51:320
198189977,0cyclictest743-21snmpd23:27:280
198189977,0cyclictest743-21snmpd19:11:220
198189977,0cyclictest741-21lldpd20:35:030
198189977,0cyclictest5309-21gltestperf21:10:130
198189976,1cyclictest743-21snmpd22:26:430
198189976,1cyclictest743-21snmpd20:49:440
198189976,1cyclictest743-21snmpd19:21:400
198189975,2cyclictest743-21snmpd22:52:260
198189975,2cyclictest743-21snmpd22:34:540
198189975,2cyclictest743-21snmpd19:54:500
198339966,0cyclictest741-21lldpd19:18:443
198339966,0cyclictest741-21lldpd19:10:453
198339965,1cyclictest743-21snmpd22:10:263
198339965,1cyclictest522-21avahi-daemon00:37:293
198339965,1cyclictest22008-21ntp_offset20:30:173
198339964,2cyclictest743-21snmpd20:18:243
198289966,0cyclictest743-21snmpd20:35:332
198289966,0cyclictest741-21lldpd20:29:192
198289966,0cyclictest741-21lldpd19:15:372
198289966,0cyclictest741-21lldpd00:38:412
198289966,0cyclictest741-21lldpd00:23:302
198289966,0cyclictest741-21lldpd00:05:182
198289966,0cyclictest522-21avahi-daemon21:42:522
198289965,1cyclictest743-21snmpd21:25:122
198289965,1cyclictest743-21snmpd20:03:532
198289965,1cyclictest19890-21cpuspeed_turbos23:05:122
198289964,2cyclictest743-21snmpd22:39:442
198289963,2cyclictest8341-21ntpq23:55:182
198289963,2cyclictest11739-21apt-get22:45:122
198289962,3cyclictest29807-21memory20:50:152
198289961,5cyclictest557-21NetworkManager21:57:202
198189966,0cyclictest743-21snmpd00:16:060
198189966,0cyclictest741-21lldpd23:06:310
198189966,0cyclictest741-21lldpd21:39:570
198189966,0cyclictest741-21lldpd20:20:020
198189966,0cyclictest741-21lldpd20:01:190
198189965,1cyclictest743-21snmpd23:23:480
198189965,1cyclictest743-21snmpd22:39:350
198189965,1cyclictest743-21snmpd22:11:200
198189965,1cyclictest743-21snmpd19:35:430
198189965,1cyclictest741-21lldpd23:13:090
198189965,1cyclictest506-21systemd-resolve23:03:230
198189965,1cyclictest23914-21cpuspeed_turbos23:15:130
198189964,2cyclictest743-21snmpd22:21:550
198189964,2cyclictest26497-21cat19:25:130
198189962,4cyclictest557-21NetworkManager21:31:530
198339955,0cyclictest743-21snmpd23:54:133
198339954,1cyclictest2668-21cpuspeed_turbos19:45:113
198339953,2cyclictest743-21snmpd19:22:293
198339953,2cyclictest717-21ntpd23:00:003
198339953,2cyclictest717-21ntpd20:54:053
198339953,2cyclictest717-21ntpd20:44:463
198339953,2cyclictest717-21ntpd20:06:363
198339952,3cyclictest717-21ntpd22:38:493
198339952,3cyclictest24031-21ntp_states20:35:173
198339952,3cyclictest15762-21apt-get22:55:133
198289955,0cyclictest743-21snmpd22:05:312
198289955,0cyclictest741-21lldpd20:46:462
198289955,0cyclictest741-21lldpd20:14:352
198289955,0cyclictest522-21avahi-daemon19:12:352
198289954,1cyclictest522-21avahi-daemon21:24:542
198289954,1cyclictest522-21avahi-daemon19:56:322
198289953,2cyclictest743-21snmpd21:37:032
198289953,2cyclictest743-21snmpd21:16:152
198289953,2cyclictest743-21snmpd21:16:142
198289953,2cyclictest743-21snmpd00:10:032
198289953,2cyclictest4603-21apt-get19:50:102
198289953,2cyclictest31689-21cat20:55:152
198289952,3cyclictest557-21NetworkManager22:19:422
198289952,3cyclictest16448-21fw_packets00:15:152
198289952,2cyclictest2623-21sed23:40:202
198289952,2cyclictest16053-21cat22:55:142
198289951,3cyclictest717-21ntpd19:40:012
198289950,4cyclictest21992-21ntpq20:30:182
198189954,1cyclictest743-21snmpd22:05:550
198189954,1cyclictest743-21snmpd21:02:140
198189953,2cyclictest743-21snmpd21:26:390
198189953,2cyclictest743-21snmpd00:20:120
198189953,2cyclictest244-20systemd-journal19:30:130
198189952,3cyclictest26266-21fw_conntrack22:00:130
198189952,2cyclictest575-21rs:main0
198189952,2cyclictest11657-21sed20:05:130
198189951,3cyclictest6785-21entropy19:55:130
198189951,3cyclictest31183-21sed23:30:210
198189951,3cyclictest244-20systemd-journal21:51:290
198339942,2cyclictest717-21ntpd21:30:023
198339940,3cyclictest9140-21diskstats21:20:123
198339940,3cyclictest1736-21ntp_states21:00:183
198289943,1cyclictest5649-21cpuspeed_turbos23:50:112
198289943,1cyclictest0-21swapper/222:50:152
198289943,1cyclictest0-21swapper/221:10:162
198289943,1cyclictest0-21swapper/219:30:212
198289942,2cyclictest3544-21find23:45:112
198289942,2cyclictest28223-21head23:25:142
198289942,2cyclictest26304-21cat23:20:142
198289942,2cyclictest19943-21cat21:45:142
198289942,2cyclictest10436-21ld22:40:162
198289941,3cyclictest26557-21grep20:40:212
198289941,2cyclictest3879-21processes21:05:192
198289941,2cyclictest2783-21fschecks_count19:45:122
198289941,2cyclictest21768-21tune2fs21:50:112
198289941,2cyclictest17361-21uniq20:20:122
198289940,3cyclictest32080-21diskstats23:35:122
198289940,3cyclictest23012-21ntpq00:30:172
198189942,2cyclictest22970-21ld00:30:170
198189941,2cyclictest3078-21sh21:05:130
198189941,2cyclictest1927-21grep23:40:130
198189941,2cyclictest17609-21cpuspeed_turbos21:40:120
198189941,2cyclictest1342-21ld19:40:170
198289930,2cyclictest26168-21grep19:25:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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