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2026-04-15 - 12:26

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 Apr 15, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11035991918,1cyclictest65850irq/126-lan23:55:151
11035991918,1cyclictest65850irq/126-lan21:40:111
11035991817,1cyclictest65850irq/126-lan23:20:151
11035991817,1cyclictest65850irq/126-lan21:10:131
11035991817,1cyclictest65850irq/126-lan00:20:211
11035991717,0cyclictest65850irq/126-lan22:43:411
11035991717,0cyclictest65850irq/126-lan21:48:111
11035991717,0cyclictest65850irq/126-lan19:35:211
11035991716,1cyclictest65850irq/126-lan21:39:391
11035991716,1cyclictest65850irq/126-lan19:45:121
11035991616,0cyclictest65850irq/126-lan23:30:121
11035991616,0cyclictest65850irq/126-lan22:30:131
11035991616,0cyclictest65850irq/126-lan21:19:111
11035991616,0cyclictest65850irq/126-lan20:20:121
11035991616,0cyclictest65850irq/126-lan20:05:161
11035991616,0cyclictest65850irq/126-lan19:55:161
11035991616,0cyclictest65850irq/126-lan19:50:191
11035991615,1cyclictest65850irq/126-lan23:03:111
11035991615,1cyclictest65850irq/126-lan23:00:001
11035991615,1cyclictest65850irq/126-lan22:35:171
11035991615,1cyclictest65850irq/126-lan00:30:181
11044991515,0cyclictest743-21snmpd23:12:573
11035991515,0cyclictest65850irq/126-lan22:25:141
11035991515,0cyclictest65850irq/126-lan21:25:151
11035991515,0cyclictest65850irq/126-lan20:41:101
11035991515,0cyclictest65850irq/126-lan20:35:161
11035991515,0cyclictest65850irq/126-lan20:00:141
11035991515,0cyclictest65850irq/126-lan19:40:371
11035991515,0cyclictest65850irq/126-lan19:25:361
11035991515,0cyclictest65850irq/126-lan00:35:141
11035991514,1cyclictest65850irq/126-lan22:05:181
11035991414,0cyclictest65850irq/126-lan23:25:101
11035991414,0cyclictest65850irq/126-lan22:45:191
11035991414,0cyclictest65850irq/126-lan22:20:171
11035991414,0cyclictest65850irq/126-lan22:15:221
11035991414,0cyclictest65850irq/126-lan21:00:221
11035991414,0cyclictest65850irq/126-lan20:50:151
11035991414,0cyclictest65850irq/126-lan19:11:091
11035991413,1cyclictest65850irq/126-lan23:05:171
11035991413,1cyclictest65850irq/126-lan22:00:141
11044991313,0cyclictest743-21snmpd23:42:193
11044991313,0cyclictest743-21snmpd22:55:423
11044991313,0cyclictest743-21snmpd20:15:073
11044991312,1cyclictest743-21snmpd23:09:533
11035991313,0cyclictest65850irq/126-lan23:51:361
11035991313,0cyclictest65850irq/126-lan23:43:111
11035991313,0cyclictest65850irq/126-lan23:10:141
11035991313,0cyclictest65850irq/126-lan22:50:201
11035991313,0cyclictest65850irq/126-lan21:55:121
11035991313,0cyclictest65850irq/126-lan20:30:121
11035991313,0cyclictest65850irq/126-lan19:20:101
11035991313,0cyclictest65850irq/126-lan19:15:191
11035991312,1cyclictest65850irq/126-lan22:10:161
11035991312,1cyclictest65850irq/126-lan19:30:161
11035991312,1cyclictest65850irq/126-lan00:25:181
11044991212,0cyclictest743-21snmpd23:32:433
11044991212,0cyclictest743-21snmpd22:10:053
11044991212,0cyclictest743-21snmpd22:05:593
11044991212,0cyclictest743-21snmpd21:52:553
11044991212,0cyclictest743-21snmpd21:28:043
11044991212,0cyclictest743-21snmpd21:07:573
11044991212,0cyclictest743-21snmpd19:45:513
11044991212,0cyclictest743-21snmpd19:32:393
11035991212,0cyclictest65850irq/126-lan21:50:151
11035991212,0cyclictest65850irq/126-lan20:15:121
11035991212,0cyclictest65850irq/126-lan00:15:121
11035991211,1cyclictest65850irq/126-lan20:45:151
11044991111,0cyclictest9532-21cat20:25:153
11044991111,0cyclictest743-21snmpd23:54:443
11044991111,0cyclictest743-21snmpd22:49:483
11044991111,0cyclictest743-21snmpd22:04:233
11044991111,0cyclictest743-21snmpd21:04:563
11044991111,0cyclictest743-21snmpd20:51:053
11044991111,0cyclictest743-21snmpd19:52:283
11044991111,0cyclictest743-21snmpd19:18:573
11044991111,0cyclictest743-21snmpd00:01:353
11044991111,0cyclictest15722-21cat19:20:153
11035991111,0cyclictest743-21snmpd23:49:111
11035991111,0cyclictest743-21snmpd00:12:351
11035991111,0cyclictest65850irq/126-lan00:05:161
11044991010,0cyclictest743-21snmpd23:59:443
11044991010,0cyclictest743-21snmpd23:46:443
11044991010,0cyclictest743-21snmpd22:44:333
11044991010,0cyclictest743-21snmpd22:29:473
11044991010,0cyclictest743-21snmpd21:48:373
11044991010,0cyclictest743-21snmpd20:48:013
11044991010,0cyclictest743-21snmpd19:27:173
11044991010,0cyclictest743-21snmpd00:19:323
11044991010,0cyclictest31836-21cat20:00:143
1103599109,1cyclictest65850irq/126-lan00:05:001
11035991010,0cyclictest65850irq/126-lan23:35:151
11035991010,0cyclictest65850irq/126-lan21:05:151
11035991010,0cyclictest65850irq/126-lan20:55:221
110359999,0cyclictest65850irq/126-lan21:20:191
110359998,1cyclictest741-21lldpd20:29:171
110359998,1cyclictest65850irq/126-lan23:15:191
110319998,1cyclictest741-21lldpd20:49:250
110449988,0cyclictest743-21snmpd23:17:583
110449988,0cyclictest743-21snmpd21:14:393
110449988,0cyclictest741-21lldpd23:35:473
110449988,0cyclictest741-21lldpd21:35:543
110449988,0cyclictest741-21lldpd19:56:033
110449988,0cyclictest741-21lldpd19:43:433
110449987,1cyclictest743-21snmpd22:23:383
110449987,1cyclictest743-21snmpd21:24:063
110449987,1cyclictest741-21lldpd22:33:263
110449987,1cyclictest522-21avahi-daemon00:33:213
110449986,2cyclictest743-21snmpd21:31:433
110449986,2cyclictest743-21snmpd20:59:423
110449986,2cyclictest743-21snmpd00:28:243
110449986,2cyclictest4594-21cat22:50:133
110449980,5cyclictest31814-21munin-run22:39:593
110399988,0cyclictest743-21snmpd23:58:102
110399988,0cyclictest743-21snmpd23:49:412
110399988,0cyclictest743-21snmpd23:35:492
110399988,0cyclictest743-21snmpd22:00:192
110399988,0cyclictest743-21snmpd20:03:122
110399988,0cyclictest743-21snmpd00:01:022
110399988,0cyclictest741-21lldpd23:06:132
110399988,0cyclictest741-21lldpd20:41:592
110399988,0cyclictest741-21lldpd19:51:422
110399987,1cyclictest743-21snmpd22:20:312
110399987,1cyclictest743-21snmpd20:13:342
110399987,1cyclictest743-21snmpd19:14:342
110399987,1cyclictest741-21lldpd22:56:532
110399987,1cyclictest741-21lldpd20:21:232
110399986,2cyclictest743-21snmpd23:24:102
110399986,2cyclictest26085-21cat23:40:142
110359987,1cyclictest743-21snmpd20:10:461
110319988,0cyclictest741-21lldpd23:31:490
110319988,0cyclictest741-21lldpd20:56:210
110319988,0cyclictest741-21lldpd00:37:540
110319987,1cyclictest743-21snmpd22:53:180
110319987,1cyclictest743-21snmpd22:07:350
110319987,1cyclictest743-21snmpd21:13:300
110319987,1cyclictest743-21snmpd20:50:400
110319987,1cyclictest743-21snmpd00:19:470
110319987,1cyclictest743-21snmpd00:06:110
110319986,2cyclictest743-21snmpd22:33:110
110319986,2cyclictest743-21snmpd22:23:170
110319986,2cyclictest743-21snmpd20:35:320
110449977,0cyclictest743-21snmpd20:42:263
110449977,0cyclictest741-21lldpd20:32:023
110449976,1cyclictest743-21snmpd23:29:493
110449976,1cyclictest743-21snmpd22:15:293
110449976,1cyclictest741-21lldpd00:21:583
110449976,1cyclictest575-21rs:main3
110449976,1cyclictest244-20systemd-journal23:00:143
110399977,0cyclictest743-21snmpd21:57:402
110399977,0cyclictest743-21snmpd21:23:542
110399977,0cyclictest743-21snmpd21:14:122
110399977,0cyclictest743-21snmpd20:51:502
110399977,0cyclictest743-21snmpd19:35:212
110399977,0cyclictest743-21snmpd19:19:302
110399977,0cyclictest743-21snmpd00:12:232
110399977,0cyclictest741-21lldpd23:28:252
110399977,0cyclictest741-21lldpd22:53:472
110399977,0cyclictest741-21lldpd20:55:172
110399977,0cyclictest741-21lldpd00:18:182
110399977,0cyclictest522-21avahi-daemon21:31:592
110399976,1cyclictest522-21avahi-daemon21:16:082
110399976,1cyclictest522-21avahi-daemon19:20:112
110399976,1cyclictest4162-21gltestperf00:05:152
110399975,2cyclictest743-21snmpd21:02:362
110399975,1cyclictest743-21snmpd22:30:172
110399972,3cyclictest21853-21cat22:15:002
110359976,1cyclictest65850irq/126-lan21:30:151
110319977,0cyclictest743-21snmpd22:55:290
110319977,0cyclictest743-21snmpd19:41:450
110319977,0cyclictest741-21lldpd23:23:270
110319977,0cyclictest741-21lldpd20:15:290
110319977,0cyclictest741-21lldpd00:30:470
110319976,1cyclictest743-21snmpd23:44:380
110319976,1cyclictest743-21snmpd21:50:450
110319976,1cyclictest743-21snmpd20:09:400
110319975,2cyclictest743-21snmpd23:56:020
110319975,2cyclictest743-21snmpd22:41:240
110319975,2cyclictest743-21snmpd21:03:570
110319975,2cyclictest743-21snmpd20:32:050
110319973,4cyclictest557-21NetworkManager23:00:120
110449965,1cyclictest522-21avahi-daemon20:12:213
110449964,2cyclictest743-21snmpd00:13:473
110449963,2cyclictest13233-21sh21:55:013
110399966,0cyclictest743-21snmpd23:17:402
110399966,0cyclictest743-21snmpd20:36:082
110399966,0cyclictest522-21avahi-daemon21:26:382
110399965,1cyclictest743-21snmpd23:33:162
110399965,1cyclictest741-21lldpd23:10:272
110399965,1cyclictest522-21avahi-daemon22:45:542
110399965,1cyclictest30276-21needreboot23:50:132
110399964,2cyclictest743-21snmpd22:36:312
110399964,2cyclictest743-21snmpd20:47:492
110399964,2cyclictest743-21snmpd20:16:272
110399962,3cyclictest14164-21fw_forwarded_lo00:30:142
110319966,0cyclictest743-21snmpd23:08:120
110319966,0cyclictest743-21snmpd22:28:470
110319966,0cyclictest741-21lldpd21:37:470
110319965,1cyclictest743-21snmpd19:17:230
110319964,2cyclictest743-21snmpd23:47:380
110319964,2cyclictest743-21snmpd19:23:480
110319964,2cyclictest743-21snmpd00:26:420
110319964,2cyclictest522-21avahi-daemon23:51:390
110319963,3cyclictest557-21NetworkManager21:56:210
110319962,4cyclictest557-21NetworkManager23:27:390
110319962,3cyclictest31048-21users21:15:230
110449955,0cyclictest743-21snmpd00:35:273
110449954,1cyclictest511ktimers/320:05:163
110449954,1cyclictest30486-21ntpq21:15:193
110449953,2cyclictest743-21snmpd20:24:353
110449953,2cyclictest717-21ntpd20:36:313
110449952,3cyclictest4295-21sed00:05:163
110449952,3cyclictest17744-21forks23:20:133
110449951,3cyclictest11388-21df_inode19:10:103
110399955,0cyclictest743-21snmpd22:40:122
110399955,0cyclictest741-21lldpd20:27:172
110399954,1cyclictest522-21avahi-daemon19:45:272
110399954,1cyclictest522-21avahi-daemon00:26:452
110399954,1cyclictest421ktimers/221:05:132
110399953,2cyclictest743-21snmpd19:44:182
110399952,3cyclictest1188-21df_inode20:05:122
110399952,2cyclictest9471-21cat23:00:172
110399952,2cyclictest5853-21kernelversion21:35:152
110399951,3cyclictest11737-21perl21:50:122
110319955,0cyclictest741-21lldpd22:37:360
110319955,0cyclictest741-21lldpd21:08:300
110319955,0cyclictest741-21lldpd19:32:170
110319955,0cyclictest522-21avahi-daemon21:46:350
110319955,0cyclictest522-21avahi-daemon20:12:390
110319955,0cyclictest25343-21cron23:40:000
110319954,1cyclictest743-21snmpd19:47:410
110319954,1cyclictest741-21lldpd23:17:070
110319954,1cyclictest522-21avahi-daemon20:24:400
110319954,1cyclictest244-20systemd-journal19:35:310
110319954,1cyclictest11458-21fschecks_time19:10:160
110319954,1cyclictest0-21swapper/019:25:160
110319953,2cyclictest743-21snmpd00:13:350
110319953,2cyclictest13312-21gpgv23:10:000
110319952,3cyclictest506-21systemd-resolve19:57:310
110319952,3cyclictest10498-21grep00:20:160
110319952,2cyclictest8288-21smartctl21:40:170
110319952,2cyclictest28286-21sed19:50:170
110319952,2cyclictest22908-21pmu-power22:15:190
110319952,2cyclictest20932-21ps22:10:160
110319952,2cyclictest16718-21sed20:40:220
110319951,3cyclictest9423-21grep20:25:150
110319951,3cyclictest32226-21wc21:20:130
110319951,3cyclictest16124-21diskstats22:00:120
110449940,4cyclictest22055-21ntpq19:35:173
110399944,0cyclictest26111-21cpuspeed_turbos22:25:122
110399942,2cyclictest743-21snmpd20:30:012
110399941,2cyclictest9585-21sh21:45:132
110399941,2cyclictest29696-21grep19:55:132
110399941,2cyclictest19766-21uname19:30:152
110399941,2cyclictest17975-21netstat19:25:152
110399941,2cyclictest10126-21tune2fs00:20:132
110399940,4cyclictest22695-21ntpq22:15:162
110399940,4cyclictest15875-21apt-get00:35:102
110399940,3cyclictest8177-21ntpq21:40:162
110399940,3cyclictest18310-21sed22:05:122
110319943,1cyclictest0-21swapper/000:00:160
110319942,2cyclictest743-21snmpd21:25:240
110319942,2cyclictest31377-21sshd20:00:090
110319941,2cyclictest3702-21tail21:30:150
110319940,4cyclictest0-21swapper/022:48:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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