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2026-05-04 - 02:35

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 Mon May 04, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23564991918,1cyclictest65850irq/126-lan21:35:231
23569991818,0cyclictest743-21snmpd00:29:292
23564991818,0cyclictest65850irq/126-lan20:36:021
23564991818,0cyclictest65850irq/126-lan19:31:241
23564991817,1cyclictest65850irq/126-lan23:15:151
23564991817,1cyclictest65850irq/126-lan21:25:171
23569991717,0cyclictest743-21snmpd20:00:112
23569991716,1cyclictest743-21snmpd22:23:262
23564991717,0cyclictest65850irq/126-lan23:42:391
23564991717,0cyclictest65850irq/126-lan22:23:581
23564991717,0cyclictest65850irq/126-lan00:00:141
23564991716,1cyclictest65850irq/126-lan23:45:171
23564991716,1cyclictest65850irq/126-lan22:45:181
23564991716,1cyclictest65850irq/126-lan22:00:181
23564991716,1cyclictest65850irq/126-lan21:15:431
23564991716,1cyclictest65850irq/126-lan20:10:161
23564991716,1cyclictest65850irq/126-lan19:35:171
23556991717,0cyclictest18635-21fwupd00:12:180
23569991616,0cyclictest9015-21cat23:50:142
23569991616,0cyclictest743-21snmpd23:36:252
23569991616,0cyclictest743-21snmpd22:44:352
23569991616,0cyclictest743-21snmpd21:34:512
23569991616,0cyclictest743-21snmpd20:41:312
23569991616,0cyclictest743-21snmpd00:20:442
23569991616,0cyclictest19181-21cat22:55:132
23564991616,0cyclictest65850irq/126-lan23:37:361
23564991616,0cyclictest65850irq/126-lan23:29:581
23564991616,0cyclictest65850irq/126-lan23:20:131
23564991616,0cyclictest65850irq/126-lan23:11:081
23564991616,0cyclictest65850irq/126-lan22:50:141
23564991616,0cyclictest65850irq/126-lan22:27:231
23564991616,0cyclictest65850irq/126-lan19:10:151
23564991615,1cyclictest65850irq/126-lan22:15:191
23564991615,1cyclictest65850irq/126-lan21:45:081
23564991615,1cyclictest65850irq/126-lan21:30:201
23564991615,1cyclictest65850irq/126-lan21:10:151
23564991615,1cyclictest65850irq/126-lan20:45:211
23564991615,1cyclictest65850irq/126-lan20:00:201
23564991615,1cyclictest65850irq/126-lan00:05:171
23569991515,0cyclictest743-21snmpd23:28:272
23569991515,0cyclictest743-21snmpd23:19:512
23569991515,0cyclictest743-21snmpd21:06:082
23569991515,0cyclictest743-21snmpd20:13:572
23569991515,0cyclictest743-21snmpd00:30:232
23569991515,0cyclictest743-21snmpd00:00:432
23569991515,0cyclictest18463-21cat20:15:142
23564991515,0cyclictest65850irq/126-lan20:30:141
23564991515,0cyclictest65850irq/126-lan19:25:191
23564991515,0cyclictest65850irq/126-lan19:20:131
23564991514,1cyclictest65850irq/126-lan21:40:171
23564991514,1cyclictest65850irq/126-lan20:20:151
23564991514,1cyclictest65850irq/126-lan20:06:541
23564991514,1cyclictest65850irq/126-lan00:25:161
23564991414,0cyclictest65850irq/126-lan21:55:211
23564991414,0cyclictest65850irq/126-lan21:50:151
23564991414,0cyclictest65850irq/126-lan21:08:081
23564991414,0cyclictest65850irq/126-lan19:15:001
23564991414,0cyclictest65850irq/126-lan00:15:161
23564991413,1cyclictest65850irq/126-lan23:50:171
23564991413,1cyclictest65850irq/126-lan22:55:131
23564991413,1cyclictest65850irq/126-lan20:50:161
23564991413,1cyclictest65850irq/126-lan20:44:081
23564991313,0cyclictest65850irq/126-lan20:25:131
23564991313,0cyclictest65850irq/126-lan19:45:151
23564991312,1cyclictest65850irq/126-lan22:06:591
23564991312,1cyclictest65850irq/126-lan21:00:161
23564991212,0cyclictest65850irq/126-lan23:00:211
23564991212,0cyclictest65850irq/126-lan00:35:211
23564991211,1cyclictest65850irq/126-lan23:58:181
23564991211,1cyclictest65850irq/126-lan22:10:201
23564991211,1cyclictest65850irq/126-lan00:30:161
23564991211,1cyclictest65850irq/126-lan00:10:231
23569991111,0cyclictest743-21snmpd21:58:212
23564991111,0cyclictest65850irq/126-lan22:40:211
23564991111,0cyclictest65850irq/126-lan19:40:181
23564991110,1cyclictest65850irq/126-lan22:35:211
23564991110,1cyclictest65850irq/126-lan21:20:081
2356499109,1cyclictest65850irq/126-lan22:30:181
2356499109,1cyclictest65850irq/126-lan19:50:121
235749998,1cyclictest743-21snmpd20:51:523
235749998,1cyclictest741-21lldpd20:32:373
235749997,2cyclictest16372-21cut20:10:143
235699998,1cyclictest743-21snmpd22:52:532
235699998,1cyclictest743-21snmpd19:25:072
235649999,0cyclictest65850irq/126-lan20:55:191
235649998,1cyclictest741-21lldpd23:08:421
235649998,1cyclictest65850irq/126-lan19:55:171
235569998,1cyclictest743-21snmpd23:53:430
235569998,1cyclictest743-21snmpd22:02:400
235569998,1cyclictest743-21snmpd20:06:570
235569998,1cyclictest557-21NetworkManager23:10:180
235749988,0cyclictest743-21snmpd23:24:213
235749988,0cyclictest743-21snmpd22:04:343
235749988,0cyclictest743-21snmpd20:37:223
235749988,0cyclictest741-21lldpd21:17:003
235749987,1cyclictest743-21snmpd23:19:543
235749987,1cyclictest6781-21fschecks_count23:45:133
235749986,2cyclictest743-21snmpd22:24:073
235749986,2cyclictest743-21snmpd20:15:483
235749986,2cyclictest743-21snmpd00:36:083
235699988,0cyclictest743-21snmpd23:33:242
235699988,0cyclictest743-21snmpd22:10:012
235699988,0cyclictest743-21snmpd19:48:532
235699988,0cyclictest743-21snmpd19:15:192
235699988,0cyclictest741-21lldpd23:22:542
235699988,0cyclictest741-21lldpd20:33:442
235699988,0cyclictest741-21lldpd19:30:032
235699988,0cyclictest24211-21turbostat.cron21:50:002
235699987,1cyclictest743-21snmpd22:49:382
235699987,1cyclictest741-21lldpd22:04:312
235699986,2cyclictest743-21snmpd23:02:322
235569988,0cyclictest741-21lldpd23:24:000
235569988,0cyclictest741-21lldpd22:34:110
235569988,0cyclictest741-21lldpd21:43:300
235569988,0cyclictest741-21lldpd21:06:120
235569988,0cyclictest741-21lldpd20:10:210
235569987,1cyclictest743-21snmpd23:59:250
235569987,1cyclictest743-21snmpd22:52:140
235569987,1cyclictest743-21snmpd22:20:070
235569987,1cyclictest743-21snmpd19:21:040
235569987,1cyclictest741-21lldpd22:43:210
235569986,2cyclictest743-21snmpd00:09:470
235569984,3cyclictest26845-21fw_conntrack20:35:140
235749977,0cyclictest743-21snmpd22:46:113
235749977,0cyclictest743-21snmpd22:14:073
235749977,0cyclictest743-21snmpd19:37:353
235749977,0cyclictest743-21snmpd19:20:013
235749977,0cyclictest741-21lldpd23:05:143
235749977,0cyclictest741-21lldpd22:28:393
235749977,0cyclictest741-21lldpd21:56:153
235749977,0cyclictest741-21lldpd21:36:483
235749977,0cyclictest741-21lldpd19:32:593
235749977,0cyclictest741-21lldpd00:19:233
235749976,1cyclictest743-21snmpd22:40:593
235749976,1cyclictest743-21snmpd20:21:333
235749976,1cyclictest741-21lldpd22:54:453
235749976,1cyclictest10979-21gltestperf22:35:163
235749975,2cyclictest743-21snmpd23:42:343
235749975,2cyclictest743-21snmpd19:11:003
235749975,2cyclictest31337-21cat23:25:133
235699977,0cyclictest743-21snmpd23:14:122
235699977,0cyclictest743-21snmpd19:35:492
235699977,0cyclictest741-21lldpd20:38:522
235699976,1cyclictest522-21avahi-daemon22:27:502
235699976,1cyclictest27989-21fschecks_count19:20:122
235699975,2cyclictest743-21snmpd21:37:572
235699975,2cyclictest743-21snmpd21:15:262
235699975,2cyclictest743-21snmpd20:55:162
235699975,2cyclictest743-21snmpd19:43:202
235649977,0cyclictest65850irq/126-lan20:15:211
235649976,1cyclictest743-21snmpd00:22:471
235569977,0cyclictest743-21snmpd23:06:510
235569977,0cyclictest743-21snmpd21:51:210
235569977,0cyclictest743-21snmpd21:34:210
235569977,0cyclictest743-21snmpd21:12:410
235569977,0cyclictest743-21snmpd00:26:320
235569977,0cyclictest741-21lldpd19:30:180
235569977,0cyclictest741-21lldpd00:33:480
235569976,1cyclictest743-21snmpd22:37:500
235569976,1cyclictest741-21lldpd21:24:310
235569976,1cyclictest522-21avahi-daemon20:15:120
235569976,1cyclictest506-21systemd-resolve22:25:020
235569976,1cyclictest22521-21cpuspeed_turbos21:45:120
235569976,1cyclictest12608-40systemctl00:00:010
235569975,2cyclictest743-21snmpd00:35:500
235569975,2cyclictest3947-21cat19:40:150
235569974,2cyclictest21869-21netstat00:20:150
235749966,0cyclictest743-21snmpd22:59:203
235749966,0cyclictest741-21lldpd19:45:033
235749966,0cyclictest522-21avahi-daemon23:13:013
235749966,0cyclictest522-21avahi-daemon20:07:063
235749966,0cyclictest0-21swapper/321:45:003
235749965,1cyclictest743-21snmpd21:32:543
235749965,1cyclictest743-21snmpd20:44:133
235749965,1cyclictest741-21lldpd22:19:533
235749965,1cyclictest12765-21cpuspeed_turbos00:00:123
235749964,2cyclictest743-21snmpd22:07:433
235749964,2cyclictest743-21snmpd19:59:053
235749964,2cyclictest2960-21cat23:35:153
235749964,2cyclictest12785-21cat21:20:123
235749963,3cyclictest743-21snmpd22:30:313
235749963,3cyclictest244-20systemd-journal23:55:153
235749962,3cyclictest2635-21smartctl20:55:133
235699966,0cyclictest743-21snmpd21:26:592
235699966,0cyclictest522-21avahi-daemon21:54:582
235699965,1cyclictest743-21snmpd19:14:032
235699965,1cyclictest573-21in:imuxsock20:23:382
235699965,1cyclictest10860-21fschecks_count22:35:152
235699964,2cyclictest743-21snmpd20:26:032
235699964,2cyclictest743-21snmpd19:56:352
235699964,2cyclictest717-21ntpd00:10:142
235699962,3cyclictest5904-21sed23:40:222
235699962,3cyclictest30844-21dpkg22:05:002
235649966,0cyclictest743-21snmpd23:34:031
235569966,0cyclictest743-21snmpd19:59:140
235569966,0cyclictest741-21lldpd23:41:360
235569966,0cyclictest741-21lldpd22:46:110
235569966,0cyclictest741-21lldpd22:10:010
235569965,1cyclictest6649-21cpuspeed_turbos23:45:120
235569965,1cyclictest522-21avahi-daemon20:29:000
235569965,1cyclictest522-21avahi-daemon19:10:150
235569964,2cyclictest743-21snmpd23:31:360
235569964,2cyclictest743-21snmpd23:25:240
235569964,2cyclictest743-21snmpd19:54:320
235569963,3cyclictest244-20systemd-journal21:55:120
235569963,2cyclictest3333-21ntpq22:15:150
235569963,2cyclictest31170-21cat20:45:160
235569963,2cyclictest24286-21entropy20:30:130
235569963,2cyclictest20082-21http20:20:120
235569962,3cyclictest4451-21ls23:40:000
235569962,3cyclictest22643-21grep23:05:000
235749955,0cyclictest741-21lldpd20:02:413
235749955,0cyclictest741-21lldpd19:41:193
235749955,0cyclictest741-21lldpd19:15:383
235749955,0cyclictest506-21systemd-resolve23:32:533
235749955,0cyclictest23549-21cyclictest21:00:193
235749954,1cyclictest26022-21ntpq00:30:173
235749953,2cyclictest557-21NetworkManager23:50:173
235749952,3cyclictest743-21snmpd23:00:083
235749952,3cyclictest29986-21df19:25:113
235749952,3cyclictest15557-21sed21:25:203
235749952,2cyclictest575-21rs:main3
235749952,2cyclictest24079-21smartctl00:25:173
235749952,2cyclictest14847-21forks00:05:133
235749950,5cyclictest557-21NetworkManager19:50:143
235699955,0cyclictest743-21snmpd23:46:402
235699954,1cyclictest8286-21ntpq19:50:162
235699954,1cyclictest743-21snmpd21:02:352
235699954,1cyclictest244-20systemd-journal23:05:152
235699953,2cyclictest717-21ntpd23:57:002
235699953,2cyclictest717-21ntpd21:42:472
235699953,2cyclictest717-21ntpd20:45:522
235699953,2cyclictest717-21ntpd00:07:392
235699952,3cyclictest557-21NetworkManager21:13:452
235699952,2cyclictest717-21ntpd22:30:172
235699952,2cyclictest575-21rs:main2
235699952,2cyclictest4415-21sed22:20:002
235699951,3cyclictest27521-21fw_forwarded_lo00:35:142
235699950,4cyclictest244-20systemd-journal20:51:472
235569954,1cyclictest743-21snmpd19:47:460
235569954,1cyclictest741-21lldpd22:09:170
235569953,2cyclictest20274-21date21:40:000
235569952,2cyclictest4264-21awk21:00:100
235569952,2cyclictest3017-21ntp_kernel_pll_20:55:160
235569952,2cyclictest29970-21cut19:25:120
235569952,2cyclictest2822-21users19:35:230
235569952,2cyclictest27950-21expr23:15:220
235569952,2cyclictest2002-21systemd-run20:55:000
235569952,2cyclictest19596-21ldconfig22:55:160
235569952,2cyclictest13114-21wc20:00:190
235569952,2cyclictest10743-21cat21:15:130
235569951,3cyclictest29152-21missed_timers20:40:140
235569951,3cyclictest14697-21grep21:25:120
235569950,5cyclictest19845-21ntpq00:15:150
235749943,1cyclictest0-21swapper/300:20:133
235749942,2cyclictest743-21snmpd21:05:023
235749942,2cyclictest16900-21gpgv00:10:013
235749941,2cyclictest22646-21grep21:45:133
235749940,4cyclictest22805-21ntpq20:25:153
235749940,3cyclictest31460-21ntp_states20:45:183
235749940,3cyclictest25294-21ntpq21:50:173
235699941,2cyclictest19948-21grep00:15:162
235699940,1cyclictest191rcu_preempt21:20:132
235569941,2cyclictest25844-21cpuspeed_turbos19:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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