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2026-07-02 - 08:59

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Thu Jul 02, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20540991818,0cyclictest65850irq/126-lan21:19:370
20540991818,0cyclictest65850irq/126-lan21:05:170
20540991817,1cyclictest65850irq/126-lan23:15:110
20540991817,1cyclictest65850irq/126-lan22:55:130
20540991817,1cyclictest65850irq/126-lan22:10:140
20540991817,1cyclictest65850irq/126-lan20:50:120
20540991817,1cyclictest65850irq/126-lan20:50:120
20540991717,0cyclictest65850irq/126-lan23:36:100
20540991717,0cyclictest65850irq/126-lan21:30:130
20540991717,0cyclictest65850irq/126-lan00:10:220
20540991716,1cyclictest65850irq/126-lan23:50:140
20540991716,1cyclictest65850irq/126-lan22:00:110
20540991716,1cyclictest65850irq/126-lan20:40:120
20540991716,1cyclictest65850irq/126-lan19:40:160
20540991716,1cyclictest65850irq/126-lan00:15:110
20540991616,0cyclictest65850irq/126-lan19:55:110
20540991616,0cyclictest65850irq/126-lan00:31:200
20540991616,0cyclictest65850irq/126-lan00:20:490
20540991615,1cyclictest65850irq/126-lan23:45:110
20540991615,1cyclictest65850irq/126-lan23:25:120
20540991615,1cyclictest65850irq/126-lan23:10:160
20540991615,1cyclictest65850irq/126-lan22:45:150
20540991615,1cyclictest65850irq/126-lan22:35:160
20540991615,1cyclictest65850irq/126-lan21:45:200
20540991615,1cyclictest65850irq/126-lan20:55:150
20540991615,1cyclictest65850irq/126-lan20:30:170
20540991615,1cyclictest65850irq/126-lan20:25:150
20540991615,1cyclictest65850irq/126-lan19:50:190
20540991615,1cyclictest65850irq/126-lan19:32:500
20540991615,1cyclictest65850irq/126-lan00:05:160
20540991515,0cyclictest65850irq/126-lan23:40:110
20540991515,0cyclictest65850irq/126-lan21:50:120
20540991515,0cyclictest65850irq/126-lan21:35:140
20540991515,0cyclictest65850irq/126-lan00:25:190
20540991514,1cyclictest65850irq/126-lan22:50:190
20540991514,1cyclictest65850irq/126-lan22:25:170
20540991514,1cyclictest65850irq/126-lan22:07:100
20540991514,1cyclictest65850irq/126-lan21:40:140
20540991514,1cyclictest65850irq/126-lan21:00:130
20540991514,1cyclictest65850irq/126-lan00:00:160
20540991414,0cyclictest65850irq/126-lan19:49:190
20540991413,1cyclictest65850irq/126-lan23:20:210
20540991413,1cyclictest65850irq/126-lan21:20:150
20540991413,1cyclictest65850irq/126-lan20:45:180
20540991413,1cyclictest65850irq/126-lan20:00:200
20540991313,0cyclictest65850irq/126-lan22:40:200
20540991313,0cyclictest65850irq/126-lan20:35:190
20540991313,0cyclictest65850irq/126-lan19:10:190
20540991312,1cyclictest65850irq/126-lan23:00:190
20540991312,1cyclictest65850irq/126-lan22:20:150
20540991312,1cyclictest65850irq/126-lan21:10:100
20540991312,1cyclictest65850irq/126-lan20:15:130
20540991312,1cyclictest65850irq/126-lan20:05:200
20540991312,1cyclictest65850irq/126-lan19:15:210
20540991312,1cyclictest65850irq/126-lan00:38:370
20540991212,0cyclictest65850irq/126-lan23:30:190
20540991212,0cyclictest65850irq/126-lan21:55:120
20540991212,0cyclictest65850irq/126-lan20:20:160
20540991211,1cyclictest65850irq/126-lan22:30:150
20540991211,1cyclictest65850irq/126-lan22:15:120
20540991211,1cyclictest65850irq/126-lan21:25:160
20540991111,0cyclictest65850irq/126-lan19:25:190
20540991110,1cyclictest65850irq/126-lan23:55:140
20540991110,1cyclictest65850irq/126-lan23:05:120
2054099109,1cyclictest65850irq/126-lan19:35:130
205579998,1cyclictest743-21snmpd00:37:163
205519998,1cyclictest743-21snmpd23:26:282
205519998,1cyclictest743-21snmpd22:07:442
205519998,1cyclictest743-21snmpd20:49:022
205469998,1cyclictest743-21snmpd20:50:021
205469998,1cyclictest743-21snmpd20:50:021
205469998,1cyclictest743-21snmpd19:39:501
205579988,0cyclictest743-21snmpd23:53:473
205579988,0cyclictest743-21snmpd21:17:033
205579988,0cyclictest743-21snmpd20:18:343
205579988,0cyclictest743-21snmpd19:43:333
205579988,0cyclictest741-21lldpd22:37:213
205579988,0cyclictest741-21lldpd20:41:313
205579987,1cyclictest743-21snmpd22:44:243
205579986,2cyclictest743-21snmpd21:35:133
205519988,0cyclictest743-21snmpd22:39:302
205519988,0cyclictest743-21snmpd21:00:082
205519988,0cyclictest743-21snmpd20:31:042
205519988,0cyclictest741-21lldpd23:14:262
205519988,0cyclictest741-21lldpd19:58:372
205519987,1cyclictest743-21snmpd23:03:002
205519987,1cyclictest741-21lldpd22:21:052
205519986,2cyclictest743-21snmpd22:15:022
205519986,2cyclictest743-21snmpd21:56:542
205519986,2cyclictest743-21snmpd21:47:312
205519986,2cyclictest743-21snmpd20:59:382
205519986,2cyclictest743-21snmpd20:42:582
205519986,2cyclictest743-21snmpd20:04:152
205519986,2cyclictest743-21snmpd19:15:562
205469988,0cyclictest743-21snmpd22:48:411
205469988,0cyclictest743-21snmpd19:59:451
205469988,0cyclictest741-21lldpd21:58:331
205469988,0cyclictest741-21lldpd20:36:351
205469987,1cyclictest743-21snmpd22:53:451
205469987,1cyclictest743-21snmpd20:41:161
205469987,1cyclictest741-21lldpd23:55:221
205469987,1cyclictest741-21lldpd23:50:421
205469987,1cyclictest741-21lldpd21:50:061
205469987,1cyclictest506-21systemd-resolve00:38:261
205469986,2cyclictest743-21snmpd20:12:211
205469986,2cyclictest28523-21fschecks_time22:05:121
205409988,0cyclictest65850irq/126-lan20:12:090
205409987,1cyclictest65850irq/126-lan19:20:100
205579977,0cyclictest743-21snmpd23:37:203
205579977,0cyclictest743-21snmpd22:20:083
205579977,0cyclictest743-21snmpd20:12:343
205579977,0cyclictest743-21snmpd19:15:313
205579977,0cyclictest741-21lldpd22:16:093
205579977,0cyclictest741-21lldpd20:48:243
205579977,0cyclictest741-21lldpd00:19:123
205579976,1cyclictest743-21snmpd19:34:173
205579976,1cyclictest743-21snmpd00:02:033
205579976,1cyclictest741-21lldpd22:45:393
205579976,1cyclictest522-21avahi-daemon22:30:203
205579976,1cyclictest522-21avahi-daemon20:53:033
205579976,1cyclictest522-21avahi-daemon20:53:023
205579976,1cyclictest28961-21needreboot22:05:153
205579976,1cyclictest26739-21cpuspeed_turbos23:20:133
205579976,1cyclictest22830-21fschecks_time00:30:123
205579976,1cyclictest11447-21cpuspeed_turbos20:05:113
205579975,2cyclictest743-21snmpd19:55:483
205579973,3cyclictest9713-21sed20:00:143
205579973,3cyclictest25084-21ntp_states21:55:163
205519977,0cyclictest743-21snmpd21:15:002
205519977,0cyclictest743-21snmpd00:07:182
205519977,0cyclictest741-21lldpd22:59:372
205519977,0cyclictest741-21lldpd00:25:372
205519976,1cyclictest743-21snmpd22:34:182
205519976,1cyclictest743-21snmpd00:24:122
205519976,1cyclictest741-21lldpd21:26:282
205519976,1cyclictest3709-21cpuspeed_turbos21:05:112
205519975,2cyclictest743-21snmpd23:37:172
205519975,2cyclictest743-21snmpd23:24:312
205519975,2cyclictest743-21snmpd20:37:502
205519975,2cyclictest743-21snmpd19:26:472
205519975,2cyclictest743-21snmpd00:32:462
205519975,2cyclictest743-21snmpd00:13:122
205519975,2cyclictest1727-21cat19:40:142
205469977,0cyclictest743-21snmpd21:31:241
205469977,0cyclictest743-21snmpd00:29:421
205469977,0cyclictest741-21lldpd22:25:291
205469977,0cyclictest741-21lldpd22:17:131
205469977,0cyclictest522-21avahi-daemon19:23:441
205469976,1cyclictest522-21avahi-daemon22:23:201
205469976,1cyclictest522-21avahi-daemon21:42:401
205469976,1cyclictest522-21avahi-daemon21:13:191
205469975,2cyclictest743-21snmpd23:41:291
205469975,2cyclictest743-21snmpd23:21:041
205469975,2cyclictest743-21snmpd22:40:181
205469975,2cyclictest743-21snmpd21:36:311
205469975,2cyclictest743-21snmpd00:10:421
205469975,2cyclictest20650-21cat21:45:141
205469975,2cyclictest20283-21sh23:05:001
205579966,0cyclictest743-21snmpd23:25:313
205579966,0cyclictest741-21lldpd23:19:013
205579966,0cyclictest522-21avahi-daemon00:22:273
205579965,1cyclictest743-21snmpd22:57:513
205579965,1cyclictest743-21snmpd21:10:183
205579965,1cyclictest741-21lldpd19:51:283
205579965,1cyclictest522-21avahi-daemon21:32:193
205579965,1cyclictest2611-21fschecks_time23:40:123
205579964,2cyclictest27634-21cat19:25:153
205579963,3cyclictest743-21snmpd00:07:573
205579963,2cyclictest244-20systemd-journal20:55:233
205579963,2cyclictest20173-21ntpq20:25:163
205579962,3cyclictest21104-21memory00:25:153
205579961,4cyclictest22146-21cat21:50:013
205519966,0cyclictest743-21snmpd23:52:172
205519966,0cyclictest743-21snmpd23:05:012
205519966,0cyclictest743-21snmpd19:32:172
205519966,0cyclictest741-21lldpd23:44:442
205519966,0cyclictest741-21lldpd22:54:532
205519966,0cyclictest741-21lldpd20:16:052
205519966,0cyclictest741-21lldpd19:21:532
205519965,1cyclictest743-21snmpd22:25:592
205519965,1cyclictest506-21systemd-resolve00:04:072
205519965,1cyclictest0-21swapper/222:40:132
205519963,2cyclictest244-20systemd-journal20:25:092
205519963,2cyclictest14459-21tail21:30:142
205469966,0cyclictest743-21snmpd23:31:441
205469966,0cyclictest743-21snmpd22:03:401
205469966,0cyclictest741-21lldpd23:48:061
205469966,0cyclictest741-21lldpd21:22:321
205469966,0cyclictest741-21lldpd21:19:541
205469966,0cyclictest741-21lldpd20:29:021
205469966,0cyclictest741-21lldpd19:47:051
205469966,0cyclictest522-21avahi-daemon19:31:011
205469965,1cyclictest743-21snmpd21:03:321
205469965,1cyclictest28329-21gltestperf20:45:141
205469965,1cyclictest16777-21gltestperf00:15:121
205469964,2cyclictest743-21snmpd23:18:131
205469964,2cyclictest743-21snmpd20:15:131
205469964,2cyclictest743-21snmpd00:01:061
205469962,3cyclictest9251-21sed22:35:211
205469962,3cyclictest244-20systemd-journal00:22:051
205469962,3cyclictest23318-21diskstats19:15:131
205469962,3cyclictest22992-21if_err_lan23:10:131
205469962,3cyclictest21116-21memory23:05:151
205469962,3cyclictest17590-21df20:20:111
205469961,3cyclictest23391-21cat20:35:011
205579954,1cyclictest743-21snmpd19:24:113
205579954,1cyclictest18056-21needreboot20:20:143
205579953,2cyclictest743-21snmpd23:10:193
205579953,2cyclictest743-21snmpd22:01:403
205579952,3cyclictest22375-21grep21:50:123
205579952,2cyclictest31675-21ps23:30:173
205579952,2cyclictest21023-21apt-config19:10:013
205579952,2cyclictest19215-21systemctl21:40:193
205579951,3cyclictest8594-21cut23:55:133
205579951,3cyclictest24639-21cat20:35:203
205579951,3cyclictest14522-21grep22:50:123
205579950,4cyclictest20554-21apt-get23:05:123
205579950,4cyclictest14764-21fw_forwarded_lo00:10:143
205519955,0cyclictest741-21lldpd23:45:122
205519955,0cyclictest741-21lldpd22:13:132
205519955,0cyclictest522-21avahi-daemon23:59:052
205519954,1cyclictest18907-21ntpq21:40:152
205519953,2cyclictest743-21snmpd21:18:272
205519953,2cyclictest743-21snmpd20:06:242
205519953,2cyclictest717-21ntpd19:51:102
205519953,1cyclictest21594-21irqstats19:10:152
205519952,3cyclictest3775-21cut19:45:152
205519952,3cyclictest25235-21grep00:35:152
205519952,2cyclictest32326-21uname19:35:152
205519952,2cyclictest27872-21sshd22:03:102
205519952,2cyclictest16213-21sh00:15:002
205519951,4cyclictest292-21systemd-udevd21:52:502
205519951,3cyclictest16328-21df_inode21:35:132
205519950,4cyclictest24914-21fw_conntrack23:15:122
205469955,0cyclictest741-21lldpd23:26:281
205469955,0cyclictest522-21avahi-daemon23:36:391
205469955,0cyclictest13117-21cron20:10:011
205469954,1cyclictest741-21lldpd00:32:031
205469954,1cyclictest0-21swapper/120:55:141
205469953,2cyclictest743-21snmpd22:56:181
205469953,2cyclictest743-21snmpd19:25:471
205469953,2cyclictest743-21snmpd00:06:361
205469953,2cyclictest717-21ntpd20:00:181
205469952,2cyclictest6621-21grep22:30:151
205469952,2cyclictest575-21rs:main1
205469952,2cyclictest31536-21unixbench-2d22:10:201
205469952,2cyclictest2335-21mailstats19:40:201
205469952,2cyclictest21136-21apt19:10:111
205579943,1cyclictest3572-21fschecks_time19:45:143
205579942,2cyclictest4066-21cat21:05:123
205579942,2cyclictest18719-21grep23:00:153
205579941,3cyclictest4848-21ld22:25:183
205579941,2cyclictest5451-21switchtime23:45:193
205579941,2cyclictest21604-21cut20:30:113
205579940,3cyclictest31920-21perl19:35:133
205579940,3cyclictest30407-21grep22:10:103
205579940,3cyclictest1922-21fw_packets21:00:133
205579940,3cyclictest12304-21df_inode21:25:133
205579940,3cyclictest10157-21irqstats21:20:123
205519943,1cyclictest421ktimers/220:52:062
205519943,1cyclictest421ktimers/220:52:052
205519943,1cyclictest10565-21ntpq21:20:152
205519941,2cyclictest12821-21sed22:45:122
205519940,4cyclictest18150-21ntpq20:20:152
205519940,4cyclictest13675-21fw_conntrack20:10:132
205519940,3cyclictest31865-21grep23:30:192
205469943,1cyclictest331ktimers/121:05:141
205469943,1cyclictest0-21swapper/119:50:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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