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2026-04-24 - 14:04

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 Fri Apr 24, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13111991918,1cyclictest65850irq/126-lan21:15:133
13111991918,1cyclictest65850irq/126-lan00:02:483
13111991818,0cyclictest65850irq/126-lan22:20:153
13111991817,1cyclictest65850irq/126-lan23:25:173
13111991817,1cyclictest65850irq/126-lan23:02:373
13111991717,0cyclictest65850irq/126-lan22:40:173
13111991717,0cyclictest65850irq/126-lan21:40:163
13111991717,0cyclictest65850irq/126-lan21:35:133
13111991717,0cyclictest65850irq/126-lan21:00:123
13111991716,1cyclictest65850irq/126-lan23:30:173
13111991716,1cyclictest65850irq/126-lan23:20:203
13111991716,1cyclictest65850irq/126-lan22:50:133
13111991716,1cyclictest65850irq/126-lan22:35:003
13111991716,1cyclictest65850irq/126-lan21:50:163
13111991716,1cyclictest65850irq/126-lan19:15:123
13111991716,1cyclictest65850irq/126-lan00:35:143
13111991716,1cyclictest65850irq/126-lan00:26:223
13111991616,0cyclictest65850irq/126-lan23:40:143
13111991616,0cyclictest65850irq/126-lan22:45:183
13111991616,0cyclictest65850irq/126-lan22:35:153
13111991616,0cyclictest65850irq/126-lan20:55:133
13111991616,0cyclictest65850irq/126-lan19:20:163
13111991616,0cyclictest65850irq/126-lan00:05:153
13111991615,1cyclictest65850irq/126-lan23:15:123
13111991615,1cyclictest65850irq/126-lan22:10:143
13111991615,1cyclictest65850irq/126-lan21:58:233
13111991615,1cyclictest65850irq/126-lan21:58:223
13111991615,1cyclictest65850irq/126-lan20:45:153
13111991615,1cyclictest65850irq/126-lan20:05:133
13111991615,1cyclictest65850irq/126-lan19:40:123
13111991615,1cyclictest65850irq/126-lan19:40:003
13111991615,1cyclictest65850irq/126-lan00:20:223
13107991615,1cyclictest743-21snmpd23:26:162
13111991515,0cyclictest65850irq/126-lan23:46:483
13111991515,0cyclictest65850irq/126-lan22:15:183
13111991515,0cyclictest65850irq/126-lan21:25:123
13111991515,0cyclictest65850irq/126-lan20:35:133
13111991514,1cyclictest65850irq/126-lan20:20:143
13111991514,1cyclictest65850irq/126-lan20:15:123
13111991514,1cyclictest65850irq/126-lan20:10:123
13107991515,0cyclictest743-21snmpd23:09:132
13107991515,0cyclictest743-21snmpd22:56:062
13107991515,0cyclictest743-21snmpd22:17:172
13107991515,0cyclictest743-21snmpd21:38:132
13107991515,0cyclictest743-21snmpd20:18:312
13111991414,0cyclictest65850irq/126-lan22:26:233
13111991414,0cyclictest65850irq/126-lan21:30:133
13111991414,0cyclictest65850irq/126-lan21:21:223
13111991414,0cyclictest65850irq/126-lan19:11:013
13111991414,0cyclictest65850irq/126-lan00:33:263
13111991414,0cyclictest65850irq/126-lan00:16:223
13111991414,0cyclictest65850irq/126-lan00:10:133
13111991413,1cyclictest65850irq/126-lan23:55:163
13111991413,1cyclictest65850irq/126-lan22:55:133
13111991413,1cyclictest65850irq/126-lan21:10:193
13111991413,1cyclictest65850irq/126-lan20:50:143
13111991413,1cyclictest65850irq/126-lan19:47:323
13107991414,0cyclictest743-21snmpd22:27:062
13107991414,0cyclictest743-21snmpd21:49:352
13107991414,0cyclictest743-21snmpd21:04:002
13107991414,0cyclictest743-21snmpd20:47:202
13107991414,0cyclictest743-21snmpd20:37:382
13107991414,0cyclictest743-21snmpd19:55:162
13107991414,0cyclictest743-21snmpd19:44:092
13107991414,0cyclictest743-21snmpd19:21:562
13107991414,0cyclictest743-21snmpd00:28:572
13107991414,0cyclictest6632-21cat22:50:122
13111991313,0cyclictest65850irq/126-lan22:00:103
13111991313,0cyclictest65850irq/126-lan21:45:223
13111991312,1cyclictest65850irq/126-lan23:50:203
13111991312,1cyclictest65850irq/126-lan20:25:183
13111991211,1cyclictest65850irq/126-lan23:10:143
13111991211,1cyclictest65850irq/126-lan22:05:153
13111991111,0cyclictest65850irq/126-lan19:50:173
13111991110,1cyclictest65850irq/126-lan23:05:203
13111991110,1cyclictest65850irq/126-lan19:30:123
1311199109,1cyclictest65850irq/126-lan21:05:133
1311199109,1cyclictest65850irq/126-lan20:30:203
1311199109,1cyclictest65850irq/126-lan19:58:223
13096991010,0cyclictest27257-21fwupd21:02:150
131119998,1cyclictest65850irq/126-lan23:35:123
131119998,1cyclictest65850irq/126-lan19:25:133
131019998,1cyclictest741-21lldpd19:26:031
130969998,1cyclictest743-21snmpd21:09:540
131119988,0cyclictest65850irq/126-lan20:40:193
131119987,1cyclictest65850irq/126-lan20:00:133
131079988,0cyclictest741-21lldpd23:40:492
131079988,0cyclictest741-21lldpd23:35:032
131079988,0cyclictest741-21lldpd21:31:482
131079987,1cyclictest743-21snmpd22:42:572
131079987,1cyclictest743-21snmpd20:02:582
131079987,1cyclictest743-21snmpd00:05:272
131079987,1cyclictest522-21avahi-daemon22:35:132
131079986,2cyclictest743-21snmpd23:30:032
131019988,0cyclictest743-21snmpd22:15:381
131019988,0cyclictest743-21snmpd20:12:341
131019988,0cyclictest743-21snmpd19:12:501
131019988,0cyclictest741-21lldpd21:39:091
131019988,0cyclictest741-21lldpd20:26:541
131019988,0cyclictest741-21lldpd19:30:491
131019988,0cyclictest741-21lldpd00:14:591
131019987,1cyclictest743-21snmpd20:33:261
131019987,1cyclictest743-21snmpd00:16:331
131019986,2cyclictest743-21snmpd23:47:361
131019986,2cyclictest743-21snmpd23:19:111
131019986,2cyclictest743-21snmpd23:10:401
131019986,2cyclictest743-21snmpd20:49:211
131019986,2cyclictest743-21snmpd19:48:301
131019986,2cyclictest743-21snmpd00:07:101
131019986,2cyclictest23832-21cat19:35:141
130969988,0cyclictest743-21snmpd22:11:050
130969988,0cyclictest743-21snmpd00:08:190
130969988,0cyclictest741-21lldpd22:21:360
130969988,0cyclictest741-21lldpd00:26:070
130969987,1cyclictest743-21snmpd22:45:400
130969987,1cyclictest743-21snmpd21:26:120
130969987,1cyclictest743-21snmpd21:21:030
130969987,1cyclictest743-21snmpd19:47:240
130969987,1cyclictest743-21snmpd19:28:480
130969987,1cyclictest522-21avahi-daemon20:50:210
130969986,2cyclictest743-21snmpd23:37:330
130969986,2cyclictest743-21snmpd21:44:430
130969986,2cyclictest743-21snmpd20:24:190
130969986,2cyclictest743-21snmpd20:14:550
130969986,2cyclictest743-21snmpd00:35:080
131079977,0cyclictest743-21snmpd23:13:522
131079977,0cyclictest743-21snmpd19:52:272
131079977,0cyclictest741-21lldpd23:17:052
131079977,0cyclictest741-21lldpd22:14:382
131079977,0cyclictest741-21lldpd21:14:172
131079977,0cyclictest741-21lldpd20:28:232
131079977,0cyclictest741-21lldpd00:31:552
131079977,0cyclictest741-21lldpd00:19:482
131079976,1cyclictest26504-21cat22:20:142
131079975,2cyclictest743-21snmpd20:32:472
131079975,2cyclictest743-21snmpd19:16:112
131079974,2cyclictest5900-21tail20:10:152
131019977,0cyclictest743-21snmpd22:40:241
131019977,0cyclictest743-21snmpd22:29:141
131019977,0cyclictest741-21lldpd21:46:101
131019977,0cyclictest741-21lldpd21:20:311
131019976,1cyclictest743-21snmpd23:05:371
131019976,1cyclictest743-21snmpd22:01:201
131019976,1cyclictest743-21snmpd21:08:301
131019976,1cyclictest743-21snmpd20:22:251
131019976,1cyclictest743-21snmpd20:05:491
131019976,1cyclictest741-21lldpd19:17:171
131019975,2cyclictest743-21snmpd23:57:501
131019975,2cyclictest743-21snmpd23:33:061
131019975,2cyclictest743-21snmpd23:29:291
131019975,2cyclictest743-21snmpd22:22:411
131019975,2cyclictest743-21snmpd21:10:211
131019972,4cyclictest1359-21cat20:00:011
130969977,0cyclictest743-21snmpd23:52:540
130969977,0cyclictest743-21snmpd23:14:400
130969977,0cyclictest743-21snmpd00:16:540
130969977,0cyclictest741-21lldpd22:34:090
130969977,0cyclictest741-21lldpd21:56:170
130969977,0cyclictest741-21lldpd21:56:170
130969977,0cyclictest741-21lldpd21:15:460
130969977,0cyclictest741-21lldpd20:36:060
130969977,0cyclictest741-21lldpd20:30:160
130969977,0cyclictest741-21lldpd00:12:430
130969976,1cyclictest743-21snmpd22:01:510
130969976,1cyclictest743-21snmpd19:56:330
130969976,1cyclictest743-21snmpd19:37:390
130969976,1cyclictest15461-21ntp_offset00:30:170
130969976,1cyclictest15383-21cpuspeed_turbos19:15:120
130969975,2cyclictest743-21snmpd21:32:350
130969975,2cyclictest743-21snmpd20:42:080
130969975,2cyclictest743-21snmpd19:52:180
130969975,2cyclictest743-21snmpd19:10:530
130969973,3cyclictest22145-21sed23:29:590
131079966,0cyclictest743-21snmpd21:07:212
131079966,0cyclictest741-21lldpd23:22:322
131079966,0cyclictest741-21lldpd21:24:052
131079965,1cyclictest522-21avahi-daemon20:54:392
131079965,1cyclictest522-21avahi-daemon19:30:302
131079965,1cyclictest28118-21fschecks_time19:45:122
131079965,1cyclictest0-21swapper/223:55:122
131019966,0cyclictest741-21lldpd00:02:331
131019966,0cyclictest522-21avahi-daemon21:28:261
131019966,0cyclictest32158-21gltestperf21:15:151
131019965,1cyclictest743-21snmpd23:43:501
131019965,1cyclictest743-21snmpd21:53:041
131019965,1cyclictest743-21snmpd20:00:181
131019965,1cyclictest30724-21gltestperf23:50:131
131019965,1cyclictest30161-21gltestperf19:50:131
131019964,2cyclictest743-21snmpd22:56:421
131019964,2cyclictest743-21snmpd22:14:261
131019964,2cyclictest743-21snmpd21:56:011
131019964,2cyclictest743-21snmpd21:56:011
131019963,3cyclictest4363-21diskstats22:45:141
131019963,3cyclictest15899-21perl20:35:121
131019963,2cyclictest575-21rs:main1
131019963,2cyclictest11868-21sshd00:24:231
131019962,3cyclictest6059-21cat21:30:171
131019962,3cyclictest244-20systemd-journal21:40:081
130969966,0cyclictest743-21snmpd20:15:010
130969966,0cyclictest741-21lldpd21:46:310
130969966,0cyclictest741-21lldpd21:35:290
130969966,0cyclictest522-21avahi-daemon23:46:460
130969965,1cyclictest743-21snmpd23:24:220
130969965,1cyclictest729-21cron21:55:000
130969964,2cyclictest743-21snmpd23:17:020
130969964,2cyclictest743-21snmpd22:15:420
130969964,2cyclictest743-21snmpd20:08:250
130969964,2cyclictest20106-21cat20:45:150
130969963,3cyclictest557-21NetworkManager22:28:190
130969960,1cyclictest651-21latency22:35:150
131079955,0cyclictest743-21snmpd21:41:342
131079953,2cyclictest743-21snmpd20:55:592
131079953,2cyclictest743-21snmpd00:20:102
131079953,2cyclictest717-21ntpd22:05:102
131079953,2cyclictest717-21ntpd21:55:452
131079953,2cyclictest717-21ntpd21:55:442
131079952,3cyclictest557-21NetworkManager21:28:142
131079952,2cyclictest31901-21grep21:15:132
131079952,2cyclictest29583-21timerwakeupswit23:45:192
131079952,2cyclictest244-20systemd-journal20:08:492
131079952,2cyclictest244-20systemd-journal19:36:162
131079952,2cyclictest244-20systemd-journal00:35:352
131079952,2cyclictest2278-21entropy00:00:132
131079952,2cyclictest18952-21sed20:40:202
131079951,4cyclictest557-21NetworkManager23:52:382
131079951,3cyclictest4753-21memory22:45:162
131079950,5cyclictest557-21NetworkManager21:50:062
131019954,1cyclictest741-21lldpd23:39:091
131019953,2cyclictest743-21snmpd00:35:591
131019953,2cyclictest743-21snmpd00:34:101
131019953,2cyclictest557-21NetworkManager20:15:151
131019953,2cyclictest25734-21apt-get21:00:121
131019952,3cyclictest326-21tune2fs22:35:131
131019952,3cyclictest23858-21df20:55:111
131019952,2cyclictest22219-21sort20:50:141
131019952,2cyclictest20557-21sed22:05:131
131019951,3cyclictest6203-21apt22:50:101
131019950,4cyclictest18501-21ntp_states20:40:161
131019950,4cyclictest12357-21df_inode00:25:121
130969955,0cyclictest743-21snmpd20:25:190
130969955,0cyclictest741-21lldpd23:58:470
130969955,0cyclictest741-21lldpd20:02:160
130969955,0cyclictest522-21avahi-daemon19:41:210
130969954,1cyclictest743-21snmpd23:44:440
130969953,2cyclictest557-21NetworkManager21:10:260
130969952,3cyclictest557-21NetworkManager23:05:130
130969952,2cyclictest8217-21apt-get22:55:120
130969952,2cyclictest6426-21fschecks_count22:50:110
130969952,2cyclictest3997-21sed22:45:000
130969952,2cyclictest2534-21if_err_lan00:00:140
130969952,2cyclictest10301-21awk23:00:110
131079941,2cyclictest9775-21grep20:20:132
131079941,2cyclictest6954-21ntpq00:10:172
131079941,2cyclictest18006-21dpkg22:00:102
131079941,2cyclictest10504-21cut23:00:132
131079940,3cyclictest30202-21grep22:30:112
131079940,3cyclictest20211-21ntp_states19:25:172
131079940,3cyclictest13995-21ntp_192.168.11419:10:152
131019943,1cyclictest0-21swapper/119:20:091
131019941,2cyclictest30410-21grep22:30:141
131019940,4cyclictest10418-21diskstats23:00:121
131019940,3cyclictest26577-21ntpq19:40:171
130969943,1cyclictest743-21snmpd19:20:080
130969942,2cyclictest743-21snmpd22:05:260
130969942,2cyclictest743-21snmpd19:33:570
130969941,2cyclictest24460-21ld20:55:160
130969941,2cyclictest23153-21grep23:30:180
130969940,4cyclictest10925-21ntpq00:20:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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