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2025-12-11 - 03:22

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 Thu Dec 11, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25763991918,1cyclictest66850irq/125-lan23:09:193
25763991918,1cyclictest66850irq/125-lan21:31:413
25763991918,1cyclictest66850irq/125-lan21:25:143
25763991918,1cyclictest66850irq/125-lan00:29:133
25763991918,1cyclictest66850irq/125-lan00:20:203
25763991818,0cyclictest66850irq/125-lan23:59:043
25763991818,0cyclictest66850irq/125-lan23:49:213
25763991818,0cyclictest66850irq/125-lan23:40:123
25763991818,0cyclictest66850irq/125-lan23:23:503
25763991818,0cyclictest66850irq/125-lan23:14:553
25763991818,0cyclictest66850irq/125-lan22:32:123
25763991818,0cyclictest66850irq/125-lan21:57:333
25763991818,0cyclictest66850irq/125-lan21:15:203
25763991818,0cyclictest66850irq/125-lan21:13:013
25763991817,1cyclictest66850irq/125-lan23:39:253
25763991817,1cyclictest66850irq/125-lan23:30:113
25763991817,1cyclictest66850irq/125-lan22:35:183
25763991817,1cyclictest66850irq/125-lan22:27:333
25763991817,1cyclictest66850irq/125-lan22:10:223
25763991817,1cyclictest66850irq/125-lan21:39:593
25763991817,1cyclictest66850irq/125-lan21:20:133
25763991817,1cyclictest66850irq/125-lan19:25:213
25763991817,1cyclictest66850irq/125-lan00:33:493
25763991717,0cyclictest66850irq/125-lan23:50:113
25763991717,0cyclictest66850irq/125-lan23:15:303
25763991717,0cyclictest66850irq/125-lan22:15:103
25763991717,0cyclictest66850irq/125-lan21:53:333
25763991717,0cyclictest66850irq/125-lan20:30:123
25763991717,0cyclictest66850irq/125-lan00:36:053
25763991717,0cyclictest66850irq/125-lan00:11:333
25763991717,0cyclictest66850irq/125-lan00:07:043
25763991716,1cyclictest66850irq/125-lan23:27:283
25763991716,1cyclictest66850irq/125-lan23:01:003
25763991716,1cyclictest66850irq/125-lan22:50:143
25763991716,1cyclictest66850irq/125-lan22:40:143
25763991716,1cyclictest66850irq/125-lan22:02:273
25763991716,1cyclictest66850irq/125-lan21:40:253
25763991716,1cyclictest66850irq/125-lan21:06:213
25763991716,1cyclictest66850irq/125-lan20:45:173
25763991716,1cyclictest66850irq/125-lan00:15:193
25763991716,1cyclictest66850irq/125-lan00:00:143
25763991616,0cyclictest66850irq/125-lan22:56:163
25763991615,1cyclictest66850irq/125-lan22:46:153
25763991615,1cyclictest66850irq/125-lan22:46:153
25763991615,1cyclictest66850irq/125-lan22:20:203
25763991615,1cyclictest66850irq/125-lan22:05:143
25763991615,1cyclictest66850irq/125-lan21:45:003
25763991615,1cyclictest66850irq/125-lan21:00:193
25763991615,1cyclictest66850irq/125-lan20:16:053
25763991615,1cyclictest66850irq/125-lan20:10:153
25748991616,0cyclictest771-21snmpd22:48:450
25748991616,0cyclictest771-21snmpd22:48:440
25763991515,0cyclictest66850irq/125-lan19:59:243
25763991515,0cyclictest66850irq/125-lan19:39:213
25763991515,0cyclictest66850irq/125-lan19:21:193
25763991514,1cyclictest66850irq/125-lan19:40:193
25763991413,1cyclictest66850irq/125-lan20:35:153
25763991413,1cyclictest66850irq/125-lan19:30:203
25763991413,1cyclictest66850irq/125-lan19:10:203
25748991414,0cyclictest771-21snmpd23:31:160
25763991313,0cyclictest66850irq/125-lan20:02:213
25763991313,0cyclictest66850irq/125-lan19:50:163
25763991313,0cyclictest66850irq/125-lan19:45:583
25763991312,1cyclictest66850irq/125-lan20:05:163
25763991312,1cyclictest66850irq/125-lan19:16:213
25748991313,0cyclictest771-21snmpd21:48:280
25763991212,0cyclictest66850irq/125-lan20:55:213
25763991212,0cyclictest66850irq/125-lan20:40:203
25763991212,0cyclictest66850irq/125-lan20:26:083
25763991212,0cyclictest66850irq/125-lan20:22:093
25748991212,0cyclictest771-21snmpd23:07:030
25748991212,0cyclictest771-21snmpd22:07:070
25748991212,0cyclictest771-21snmpd21:16:480
25748991212,0cyclictest771-21snmpd20:23:540
25748991212,0cyclictest771-21snmpd20:17:120
25748991212,0cyclictest771-21snmpd19:31:260
25748991212,0cyclictest771-21snmpd19:24:380
25748991212,0cyclictest771-21snmpd00:07:050
25748991111,0cyclictest771-21snmpd22:53:360
2574899105,0cyclictest9813-21diskmemload21:23:190
257639998,1cyclictest66850irq/125-lan20:50:223
257599998,1cyclictest771-21snmpd19:17:222
257599998,1cyclictest769-21lldpd21:13:272
257599998,1cyclictest586-21rs:main2
257489999,0cyclictest771-21snmpd23:21:070
257489996,3cyclictest771-21snmpd00:22:390
257599988,0cyclictest771-21snmpd20:05:512
257599988,0cyclictest771-21snmpd19:55:032
257599988,0cyclictest771-21snmpd19:38:442
257599988,0cyclictest771-21snmpd00:06:502
257599988,0cyclictest769-21lldpd23:43:512
257599988,0cyclictest769-21lldpd21:06:342
257599988,0cyclictest769-21lldpd20:10:402
257599987,1cyclictest771-21snmpd22:25:512
257599987,1cyclictest771-21snmpd19:54:052
257599987,1cyclictest771-21snmpd00:27:282
257599987,1cyclictest769-21lldpd23:24:432
257599987,1cyclictest524-21avahi-daemon22:38:362
257599987,1cyclictest524-21avahi-daemon22:10:212
257599987,1cyclictest517-21systemd-resolve22:34:132
257599987,1cyclictest517-21systemd-resolve00:02:572
257599987,1cyclictest30688-21fschecks_time19:20:142
257599987,1cyclictest25313-21sendmail_mailqu20:25:222
257599986,2cyclictest771-21snmpd20:03:512
257599985,3cyclictest10743-21apt-get00:20:122
257569988,0cyclictest771-21snmpd23:21:011
257569988,0cyclictest771-21snmpd21:41:551
257569988,0cyclictest771-21snmpd20:45:491
257569988,0cyclictest771-21snmpd20:33:491
257569988,0cyclictest771-21snmpd19:10:471
257569988,0cyclictest769-21lldpd23:52:321
257569988,0cyclictest769-21lldpd23:25:091
257569988,0cyclictest769-21lldpd22:51:011
257569988,0cyclictest769-21lldpd22:39:591
257569988,0cyclictest769-21lldpd21:51:521
257569988,0cyclictest769-21lldpd19:48:051
257569987,1cyclictest517-21systemd-resolve23:46:051
257569987,1cyclictest517-21systemd-resolve21:13:101
257569987,1cyclictest255-20systemd-journal22:00:171
257569986,2cyclictest771-21snmpd23:04:181
257569986,2cyclictest771-21snmpd22:20:551
257569986,2cyclictest771-21snmpd21:05:051
257489988,0cyclictest771-21snmpd21:35:180
257489988,0cyclictest771-21snmpd20:35:400
257489988,0cyclictest769-21lldpd23:36:000
257489987,1cyclictest769-21lldpd00:15:480
257489987,1cyclictest749-21ntpd22:04:480
257489987,1cyclictest524-21avahi-daemon20:12:260
257489986,2cyclictest771-21snmpd22:32:270
257489986,2cyclictest771-21snmpd22:25:320
257489986,2cyclictest771-21snmpd20:05:060
257489986,2cyclictest771-21snmpd19:28:470
257489986,2cyclictest749-21ntpd23:41:180
257489986,2cyclictest749-21ntpd23:26:290
257489986,2cyclictest749-21ntpd22:15:020
257489986,2cyclictest749-21ntpd00:31:020
257489986,2cyclictest4539-21cat19:35:130
257599977,0cyclictest769-21lldpd23:34:542
257599977,0cyclictest769-21lldpd23:03:042
257599977,0cyclictest769-21lldpd21:22:322
257599976,1cyclictest524-21avahi-daemon21:34:412
257599976,1cyclictest517-21systemd-resolve19:13:362
257599976,1cyclictest12801-21cpuspeed_turbos22:15:122
257599975,2cyclictest8543-21cat23:45:132
257599975,2cyclictest771-21snmpd23:52:302
257599975,2cyclictest771-21snmpd22:21:072
257599975,2cyclictest771-21snmpd20:44:502
257599975,2cyclictest771-21snmpd20:38:312
257599975,2cyclictest771-21snmpd19:26:572
257599973,3cyclictest9367-21ssh22:43:092
257599973,3cyclictest255-20systemd-journal00:31:442
257599973,3cyclictest25403-21ntp_states00:35:192
257599973,3cyclictest22521-21ssh23:58:492
257599973,3cyclictest12705-21ssh23:17:542
257569977,0cyclictest771-21snmpd20:10:311
257569977,0cyclictest771-21snmpd19:30:441
257569977,0cyclictest769-21lldpd22:59:081
257569977,0cyclictest769-21lldpd20:29:461
257569976,1cyclictest771-21snmpd21:03:441
257569976,1cyclictest771-21snmpd20:39:101
257569976,1cyclictest769-21lldpd00:04:571
257569976,1cyclictest524-21avahi-daemon23:15:511
257569976,1cyclictest524-21avahi-daemon22:15:251
257569976,1cyclictest4395-21gltestperf20:55:171
257569976,1cyclictest3060-21cpuspeed_turbos23:40:141
257569976,1cyclictest15724-21cat21:15:141
257569975,2cyclictest771-21snmpd23:33:131
257569975,2cyclictest771-21snmpd20:07:541
257569975,2cyclictest30803-21cat20:40:141
257569972,5cyclictest550-21NetworkManager22:29:481
257569972,5cyclictest550-21NetworkManager20:54:011
257569972,5cyclictest255-20systemd-journal21:37:211
257489977,0cyclictest771-21snmpd23:12:280
257489977,0cyclictest771-21snmpd22:40:350
257489977,0cyclictest771-21snmpd19:52:350
257489977,0cyclictest769-21lldpd21:55:370
257489977,0cyclictest769-21lldpd20:58:300
257489977,0cyclictest769-21lldpd20:52:380
257489976,1cyclictest771-21snmpd23:01:060
257489976,1cyclictest749-21ntpd23:57:440
257489976,1cyclictest749-21ntpd23:17:520
257489976,1cyclictest749-21ntpd22:11:190
257489976,1cyclictest749-21ntpd19:55:130
257489976,1cyclictest524-21avahi-daemon22:55:190
257489975,2cyclictest771-21snmpd21:25:290
257489975,2cyclictest771-21snmpd20:40:130
257489975,2cyclictest771-21snmpd00:13:010
257489975,2cyclictest749-21ntpd00:00:440
257599966,0cyclictest769-21lldpd22:56:062
257599965,1cyclictest771-21snmpd20:50:492
257599965,1cyclictest517-21systemd-resolve21:28:482
257599965,1cyclictest421ktimers/200:15:122
257599964,2cyclictest771-21snmpd20:32:402
257599964,2cyclictest586-21rs:main2
257599963,2cyclictest7778-21ssh21:38:542
257599963,2cyclictest7133-21ssh23:12:202
257599963,2cyclictest3631-21ssh00:11:322
257599963,2cyclictest20347-21ssh21:50:222
257599962,3cyclictest550-21NetworkManager22:05:142
257599962,3cyclictest28014-21ssh21:58:392
257599962,3cyclictest19736-21ssh23:25:112
257599962,3cyclictest16650-21ssh21:46:542
257599962,3cyclictest13456-21ssh22:46:312
257599962,3cyclictest13456-21ssh22:46:312
257599962,2cyclictest0-21swapper/220:22:222
257599960,5cyclictest11211-21ssh21:41:272
257569966,0cyclictest771-21snmpd23:55:481
257569966,0cyclictest771-21snmpd22:12:591
257569966,0cyclictest771-21snmpd00:15:481
257569966,0cyclictest771-21snmpd00:06:231
257569966,0cyclictest769-21lldpd22:48:101
257569966,0cyclictest769-21lldpd22:48:091
257569966,0cyclictest769-21lldpd21:20:201
257569966,0cyclictest769-21lldpd19:55:241
257569966,0cyclictest769-21lldpd19:42:331
257569966,0cyclictest769-21lldpd19:15:201
257569966,0cyclictest769-21lldpd00:27:341
257569965,1cyclictest771-21snmpd22:32:331
257569965,1cyclictest771-21snmpd21:47:251
257569965,1cyclictest771-21snmpd20:22:301
257569964,2cyclictest771-21snmpd22:06:251
257569963,2cyclictest829-21ssh23:05:371
257569963,2cyclictest771-21snmpd21:25:151
257569963,2cyclictest255-20systemd-journal00:36:121
257489966,0cyclictest771-21snmpd21:52:540
257489966,0cyclictest771-21snmpd21:10:110
257489965,1cyclictest524-21avahi-daemon22:36:560
257489965,1cyclictest171ktimers/020:30:130
257489964,2cyclictest771-21snmpd21:30:220
257489964,2cyclictest771-21snmpd21:03:480
257489964,2cyclictest749-21ntpd23:45:020
257489964,2cyclictest749-21ntpd19:40:150
257599953,2cyclictest255-20systemd-journal22:50:172
257599952,2cyclictest6903-21ldconfig21:00:182
257599952,2cyclictest586-21rs:main2
257599952,2cyclictest32526-21expr20:45:122
257599952,2cyclictest29468-21cat22:00:002
257599952,2cyclictest21320-21switchtime20:15:212
257599951,3cyclictest15681-21smartctl21:15:142
257569955,0cyclictest524-21avahi-daemon19:54:361
257569954,1cyclictest771-21snmpd00:31:311
257569954,1cyclictest769-21lldpd00:22:591
257569953,2cyclictest6970-21cut22:40:191
257569952,2cyclictest886-21sshd21:31:271
257569952,2cyclictest6565-21ssh23:11:321
257569952,2cyclictest586-21rs:main1
257569952,2cyclictest27888-21ssh21:58:291
257569952,2cyclictest255-20systemd-journal19:39:251
257569952,2cyclictest14975-21ntp_kernel_pll_20:00:181
257569951,4cyclictest550-21NetworkManager19:25:321
257489954,1cyclictest8364-21gltestperf21:05:130
257489954,1cyclictest771-21snmpd20:25:030
257489954,1cyclictest14671-21cat20:00:160
257489953,2cyclictest749-21ntpd19:45:190
257489953,2cyclictest749-21ntpd19:10:120
257489952,2cyclictest32388-21apt20:45:120
257489952,2cyclictest28020-21apt-config19:15:000
257489952,2cyclictest20061-21ssh22:21:230
257489952,2cyclictest15657-21ssh23:51:510
257489952,2cyclictest11455-21ssh21:41:470
257489950,2cyclictest2441750ssh00:35:070
257599944,0cyclictest0-21swapper/220:55:192
257599940,3cyclictest6438-21perl19:40:162
257569941,2cyclictest20320-21grep20:15:121
257569940,4cyclictest1331-21ssh00:10:131
257569940,3cyclictest31248-21ntpq19:20:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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