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2026-05-13 - 08:34

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 highest latencies:
System rack8slot6s.osadl.org (updated Wed May 13, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17836991817,1cyclictest65850irq/126-lan23:55:121
17836991817,1cyclictest65850irq/126-lan23:30:111
17836991817,1cyclictest65850irq/126-lan23:15:131
17836991817,1cyclictest65850irq/126-lan20:08:221
17836991717,0cyclictest65850irq/126-lan20:52:201
17836991716,1cyclictest65850irq/126-lan21:37:281
17836991716,1cyclictest65850irq/126-lan20:55:161
17836991716,1cyclictest65850irq/126-lan20:45:191
17836991716,1cyclictest65850irq/126-lan19:10:221
17836991716,1cyclictest65850irq/126-lan00:35:171
17836991616,0cyclictest65850irq/126-lan23:05:151
17836991616,0cyclictest65850irq/126-lan22:45:121
17836991615,1cyclictest65850irq/126-lan22:55:211
17836991615,1cyclictest65850irq/126-lan22:35:211
17836991615,1cyclictest65850irq/126-lan22:15:171
17836991615,1cyclictest65850irq/126-lan00:30:191
17836991614,2cyclictest65850irq/126-lan21:10:151
17836991515,0cyclictest65850irq/126-lan23:20:101
17836991515,0cyclictest65850irq/126-lan19:35:151
17836991515,0cyclictest65850irq/126-lan19:15:141
17836991514,1cyclictest65850irq/126-lan23:35:201
17836991514,1cyclictest65850irq/126-lan22:50:191
17836991514,1cyclictest65850irq/126-lan22:00:211
17836991514,1cyclictest65850irq/126-lan21:50:171
17836991514,1cyclictest65850irq/126-lan21:40:121
17836991514,1cyclictest65850irq/126-lan21:15:191
17836991514,1cyclictest65850irq/126-lan19:50:171
17836991514,1cyclictest65850irq/126-lan19:45:151
17836991514,1cyclictest65850irq/126-lan00:05:181
17836991414,0cyclictest65850irq/126-lan23:49:591
17836991414,0cyclictest65850irq/126-lan22:20:121
17836991414,0cyclictest65850irq/126-lan22:10:131
17836991414,0cyclictest65850irq/126-lan21:25:231
17836991414,0cyclictest65850irq/126-lan20:40:151
17836991414,0cyclictest65850irq/126-lan20:34:381
17836991414,0cyclictest65850irq/126-lan00:22:391
17836991414,0cyclictest65850irq/126-lan00:13:391
17836991413,1cyclictest65850irq/126-lan23:10:161
17836991413,1cyclictest65850irq/126-lan20:10:161
17836991413,1cyclictest65850irq/126-lan20:00:141
17836991413,1cyclictest65850irq/126-lan20:00:141
17836991413,1cyclictest65850irq/126-lan19:55:201
17836991413,1cyclictest65850irq/126-lan00:15:131
17836991313,0cyclictest65850irq/126-lan23:25:161
17836991313,0cyclictest65850irq/126-lan22:05:161
17836991313,0cyclictest65850irq/126-lan21:48:381
17836991313,0cyclictest65850irq/126-lan20:36:381
17836991313,0cyclictest65850irq/126-lan19:30:121
17836991312,1cyclictest65850irq/126-lan22:25:111
17836991312,1cyclictest65850irq/126-lan21:20:131
17836991312,1cyclictest65850irq/126-lan00:25:131
17836991212,0cyclictest65850irq/126-lan20:15:131
17836991211,1cyclictest65850irq/126-lan21:00:121
17836991211,1cyclictest65850irq/126-lan20:20:141
17836991111,0cyclictest65850irq/126-lan22:30:111
17836991110,1cyclictest65850irq/126-lan22:40:211
17836991110,1cyclictest65850irq/126-lan19:40:121
17836991110,1cyclictest65850irq/126-lan19:25:161
17836991010,0cyclictest65850irq/126-lan19:20:161
178469998,1cyclictest741-21lldpd23:29:423
178469998,1cyclictest741-21lldpd21:30:213
178419998,1cyclictest743-21snmpd23:05:072
178369999,0cyclictest65850irq/126-lan21:55:141
178369999,0cyclictest65850irq/126-lan20:25:121
178369998,1cyclictest65850irq/126-lan00:00:031
178289998,1cyclictest743-21snmpd23:37:370
178289998,1cyclictest743-21snmpd21:42:490
178289998,1cyclictest743-21snmpd21:36:490
178289998,1cyclictest741-21lldpd23:06:310
178469988,0cyclictest743-21snmpd21:21:003
178469988,0cyclictest743-21snmpd19:35:213
178469988,0cyclictest741-21lldpd20:36:563
178469987,1cyclictest743-21snmpd23:11:403
178469987,1cyclictest743-21snmpd20:59:143
178469986,2cyclictest743-21snmpd21:48:403
178469986,2cyclictest743-21snmpd20:18:343
178469986,2cyclictest743-21snmpd00:30:253
178469986,2cyclictest743-21snmpd00:16:573
178419988,0cyclictest743-21snmpd22:26:242
178419988,0cyclictest743-21snmpd20:48:042
178419988,0cyclictest741-21lldpd22:01:362
178419988,0cyclictest741-21lldpd21:11:452
178419988,0cyclictest741-21lldpd20:29:032
178419988,0cyclictest741-21lldpd00:11:432
178419987,1cyclictest741-21lldpd21:31:562
178419986,2cyclictest743-21snmpd22:50:332
178419986,2cyclictest743-21snmpd21:59:432
178419986,2cyclictest743-21snmpd20:42:522
178419986,2cyclictest743-21snmpd00:32:522
178419986,2cyclictest717-21ntpd21:05:112
178419984,3cyclictest29974-21ntp_states23:35:172
178419984,3cyclictest21048-21apt-get23:15:112
178369988,0cyclictest65850irq/126-lan23:45:211
178369988,0cyclictest65850irq/126-lan21:30:111
178369987,1cyclictest741-21lldpd21:09:581
178369987,1cyclictest65850irq/126-lan23:40:121
178289988,0cyclictest743-21snmpd22:30:440
178289988,0cyclictest743-21snmpd21:17:080
178289988,0cyclictest743-21snmpd20:44:530
178289988,0cyclictest743-21snmpd19:23:310
178289988,0cyclictest743-21snmpd00:01:450
178289988,0cyclictest741-21lldpd23:19:180
178289988,0cyclictest741-21lldpd21:01:510
178289987,1cyclictest743-21snmpd21:11:060
178289987,1cyclictest743-21snmpd00:36:490
178289987,1cyclictest743-21snmpd00:05:420
178289987,1cyclictest741-21lldpd21:57:490
178289987,1cyclictest741-21lldpd21:29:010
178289987,1cyclictest522-21avahi-daemon22:42:330
178289986,2cyclictest743-21snmpd23:22:580
178289986,2cyclictest743-21snmpd20:20:520
178289986,2cyclictest743-21snmpd19:54:080
178289986,2cyclictest743-21snmpd19:37:530
178289986,2cyclictest743-21snmpd19:14:080
178289986,2cyclictest743-21snmpd00:13:500
178469977,0cyclictest743-21snmpd23:09:433
178469977,0cyclictest743-21snmpd19:44:393
178469977,0cyclictest743-21snmpd00:04:273
178469977,0cyclictest741-21lldpd20:41:393
178469977,0cyclictest741-21lldpd19:26:443
178469977,0cyclictest741-21lldpd00:27:333
178469976,1cyclictest743-21snmpd23:32:283
178469976,1cyclictest743-21snmpd22:15:193
178469976,1cyclictest741-21lldpd22:46:593
178469975,2cyclictest743-21snmpd22:50:003
178469975,2cyclictest743-21snmpd22:11:193
178469975,2cyclictest743-21snmpd21:52:293
178469975,2cyclictest743-21snmpd20:09:343
178469972,3cyclictest32671-21cat22:25:003
178419977,0cyclictest743-21snmpd22:16:552
178419977,0cyclictest743-21snmpd21:50:192
178419977,0cyclictest743-21snmpd21:03:502
178419977,0cyclictest741-21lldpd23:27:222
178419977,0cyclictest741-21lldpd21:45:322
178419977,0cyclictest741-21lldpd20:53:182
178419977,0cyclictest741-21lldpd20:36:242
178419977,0cyclictest741-21lldpd19:15:462
178419977,0cyclictest741-21lldpd19:14:242
178419977,0cyclictest741-21lldpd00:15:532
178419976,1cyclictest743-21snmpd23:00:272
178419976,1cyclictest743-21snmpd22:41:092
178419976,1cyclictest743-21snmpd22:36:572
178419976,1cyclictest743-21snmpd20:05:192
178419976,1cyclictest743-21snmpd19:38:362
178419976,1cyclictest717-21ntpd21:40:162
178419975,2cyclictest743-21snmpd23:30:232
178419975,2cyclictest743-21snmpd23:20:402
178419975,2cyclictest743-21snmpd22:21:542
178419975,2cyclictest743-21snmpd22:09:592
178419975,2cyclictest743-21snmpd21:22:332
178419975,2cyclictest743-21snmpd20:33:432
178419975,2cyclictest743-21snmpd20:22:282
178419975,2cyclictest743-21snmpd19:54:572
178419975,2cyclictest743-21snmpd19:33:022
178419975,2cyclictest743-21snmpd00:09:052
178289977,0cyclictest743-21snmpd23:50:490
178289977,0cyclictest743-21snmpd23:45:170
178289977,0cyclictest743-21snmpd22:28:180
178289977,0cyclictest743-21snmpd21:54:140
178289977,0cyclictest741-21lldpd20:52:000
178289977,0cyclictest741-21lldpd00:22:410
178289977,0cyclictest741-21lldpd00:18:490
178289977,0cyclictest522-21avahi-daemon20:36:490
178289976,1cyclictest743-21snmpd20:17:240
178289976,1cyclictest743-21snmpd20:00:480
178289976,1cyclictest743-21snmpd20:00:480
178289976,1cyclictest743-21snmpd19:56:090
178289976,1cyclictest522-21avahi-daemon23:27:190
178289976,1cyclictest522-21avahi-daemon23:04:150
178289976,1cyclictest522-21avahi-daemon19:45:250
178289975,2cyclictest743-21snmpd23:11:310
178289975,2cyclictest743-21snmpd22:53:040
178289975,2cyclictest743-21snmpd22:24:240
178289975,2cyclictest743-21snmpd19:32:350
178289972,5cyclictest557-21NetworkManager21:32:310
178469966,0cyclictest743-21snmpd19:50:093
178469966,0cyclictest741-21lldpd21:00:183
178469966,0cyclictest522-21avahi-daemon23:15:443
178469965,1cyclictest743-21snmpd23:21:473
178469965,1cyclictest743-21snmpd22:57:553
178469965,1cyclictest743-21snmpd19:19:193
178469965,1cyclictest741-21lldpd22:05:113
178469965,1cyclictest6715-21fschecks_count22:40:143
178469964,2cyclictest743-21snmpd23:49:593
178469964,2cyclictest743-21snmpd21:55:283
178469964,2cyclictest743-21snmpd20:02:163
178469964,2cyclictest743-21snmpd20:02:153
178469964,2cyclictest743-21snmpd19:33:503
178469963,3cyclictest24698-21perl20:45:133
178469962,4cyclictest557-21NetworkManager23:50:113
178469962,3cyclictest4773-21fw_packets22:35:143
178419966,0cyclictest743-21snmpd00:25:092
178419966,0cyclictest741-21lldpd00:00:292
178419965,1cyclictest743-21snmpd19:27:052
178419965,1cyclictest743-21snmpd19:22:412
178419965,1cyclictest717-21ntpd20:15:152
178419964,2cyclictest743-21snmpd23:46:412
178419964,2cyclictest743-21snmpd22:30:022
178419964,2cyclictest743-21snmpd20:55:232
178419963,3cyclictest31156-21apt-get23:40:122
178419963,2cyclictest4844-21ntpq21:15:172
178419962,3cyclictest8813-21perl22:45:132
178369962,3cyclictest15639-21grep23:00:171
178289966,0cyclictest743-21snmpd20:46:040
178289966,0cyclictest743-21snmpd00:28:210
178289966,0cyclictest741-21lldpd22:35:420
178289966,0cyclictest741-21lldpd22:18:040
178289966,0cyclictest741-21lldpd00:34:110
178289965,1cyclictest743-21snmpd23:56:540
178289965,1cyclictest743-21snmpd21:05:030
178289965,1cyclictest24160-21cpuspeed_turbos19:25:140
178289964,2cyclictest743-21snmpd23:44:470
178289964,2cyclictest743-21snmpd22:55:070
178289964,2cyclictest743-21snmpd22:48:530
178289964,2cyclictest743-21snmpd22:13:020
178289964,2cyclictest743-21snmpd22:00:550
178289964,2cyclictest743-21snmpd20:34:400
178289963,2cyclictest31848-21sshd19:44:390
178289963,2cyclictest17115-21cut21:45:180
178289961,5cyclictest557-21NetworkManager19:16:270
178469955,0cyclictest741-21lldpd22:33:273
178469955,0cyclictest741-21lldpd19:59:313
178469954,1cyclictest743-21snmpd23:01:363
178469954,1cyclictest743-21snmpd20:21:463
178469954,1cyclictest741-21lldpd21:37:233
178469954,1cyclictest522-21avahi-daemon20:14:523
178469954,1cyclictest2177-21cpuspeed_turbos21:10:153
178469953,2cyclictest32579-21cat19:45:133
178469952,3cyclictest4405-21fw_forwarded_lo21:15:133
178469952,2cyclictest575-21rs:main3
178469951,3cyclictest32010-21ntpq23:40:183
178469950,4cyclictest11691-21ntpq00:10:203
178419955,0cyclictest741-21lldpd00:37:452
178419953,2cyclictest717-21ntpd00:22:042
178419952,2cyclictest31416-21grep19:40:192
178419952,2cyclictest20378-21awk23:10:232
178419952,2cyclictest1333-21seq19:47:552
178419950,4cyclictest5121-21grep23:55:132
178419950,4cyclictest3637-21ntp_states23:50:172
178419950,4cyclictest12482-21fw_conntrack21:35:132
178289955,0cyclictest741-21lldpd20:10:220
178289952,2cyclictest8174-21grep20:05:130
178289951,3cyclictest6646-21ls21:20:130
178289951,3cyclictest27808-21ntp_192.168.11423:30:160
178289951,3cyclictest25831-21sed22:05:190
178289951,3cyclictest16830-21grep20:25:160
178469944,0cyclictest522-21avahi-daemon20:29:283
178469944,0cyclictest0-21swapper/323:55:133
178469942,2cyclictest743-21snmpd21:25:333
178469942,2cyclictest743-21snmpd00:20:083
178469942,2cyclictest29568-21cat23:35:153
178469942,2cyclictest22076-21dpkg19:20:123
178469941,3cyclictest743-21snmpd19:10:043
178469941,2cyclictest918-21cat21:05:163
178469941,2cyclictest27655-21unixbench-2d20:50:213
178469941,2cyclictest21188-21fschecks_count00:35:123
178469940,4cyclictest9712-21ntpq00:05:173
178469940,3cyclictest744-21/usr/sbin/munin22:25:123
178469940,3cyclictest18520-21diskstats20:30:113
178469940,3cyclictest14390-21diskstats21:40:113
178419942,2cyclictest743-21snmpd22:10:442
178419941,2cyclictest7101-21sed20:00:192
178419941,2cyclictest7101-21sed20:00:192
178419941,2cyclictest3852-21cat19:55:122
178419941,2cyclictest13111-21wc22:55:162
178419941,2cyclictest10095-21fschecks_time20:10:142
178419940,3cyclictest8917-21ntpq21:25:182
178289941,2cyclictest28658-21fschecks_time20:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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