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2026-06-28 - 18:16

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 Sun Jun 28, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6304992019,1cyclictest65850irq/126-lan12:06:580
6304991818,0cyclictest65850irq/126-lan10:54:560
6304991817,1cyclictest65850irq/126-lan11:27:430
6304991817,1cyclictest65850irq/126-lan08:15:200
6304991717,0cyclictest65850irq/126-lan11:55:190
6304991717,0cyclictest65850irq/126-lan10:35:200
6304991717,0cyclictest65850irq/126-lan10:25:210
6304991717,0cyclictest65850irq/126-lan09:40:120
6304991717,0cyclictest65850irq/126-lan09:15:000
6304991717,0cyclictest65850irq/126-lan08:20:160
6304991716,1cyclictest65850irq/126-lan12:39:200
6304991716,1cyclictest65850irq/126-lan12:30:100
6304991716,1cyclictest65850irq/126-lan11:32:390
6304991716,1cyclictest65850irq/126-lan10:55:410
6304991716,1cyclictest65850irq/126-lan10:20:090
6304991616,0cyclictest743-21snmpd07:14:340
6304991616,0cyclictest65850irq/126-lan11:20:120
6304991616,0cyclictest65850irq/126-lan11:14:390
6304991616,0cyclictest65850irq/126-lan10:40:130
6304991616,0cyclictest65850irq/126-lan08:45:130
6304991616,0cyclictest65850irq/126-lan08:25:130
6304991616,0cyclictest65850irq/126-lan07:26:400
6304991615,1cyclictest65850irq/126-lan09:55:190
6304991615,1cyclictest65850irq/126-lan09:30:190
6304991615,1cyclictest65850irq/126-lan07:35:580
6304991515,0cyclictest65850irq/126-lan12:00:540
6304991515,0cyclictest65850irq/126-lan09:45:140
6304991515,0cyclictest65850irq/126-lan07:55:130
6304991515,0cyclictest65850irq/126-lan07:50:140
6304991515,0cyclictest65850irq/126-lan07:45:160
6304991515,0cyclictest65850irq/126-lan07:40:120
6304991514,1cyclictest65850irq/126-lan12:10:140
6304991514,1cyclictest65850irq/126-lan11:45:180
6304991514,1cyclictest65850irq/126-lan11:35:160
6304991514,1cyclictest65850irq/126-lan10:03:130
6304991514,1cyclictest65850irq/126-lan08:10:180
6304991414,0cyclictest743-21snmpd07:24:340
6304991414,0cyclictest65850irq/126-lan10:45:220
6304991414,0cyclictest65850irq/126-lan10:15:130
6304991414,0cyclictest65850irq/126-lan10:10:170
6304991414,0cyclictest65850irq/126-lan09:27:390
6304991414,0cyclictest65850irq/126-lan09:05:210
6304991413,1cyclictest65850irq/126-lan11:15:170
6304991413,1cyclictest65850irq/126-lan10:30:120
6304991413,1cyclictest65850irq/126-lan09:50:130
6304991413,1cyclictest65850irq/126-lan09:20:160
6304991413,1cyclictest65850irq/126-lan09:00:180
6304991313,0cyclictest743-21snmpd11:06:170
6304991313,0cyclictest65850irq/126-lan12:29:400
6304991313,0cyclictest65850irq/126-lan12:18:100
6304991313,0cyclictest65850irq/126-lan10:07:490
6304991312,1cyclictest65850irq/126-lan12:20:110
6304991312,1cyclictest65850irq/126-lan08:55:150
6304991312,1cyclictest65850irq/126-lan08:37:390
6304991312,1cyclictest65850irq/126-lan08:30:130
6304991312,1cyclictest65850irq/126-lan07:33:300
6304991212,0cyclictest743-21snmpd09:12:410
6304991212,0cyclictest65850irq/126-lan11:00:230
6304991212,0cyclictest65850irq/126-lan08:40:130
6304991111,0cyclictest65850irq/126-lan11:53:400
6304991111,0cyclictest65850irq/126-lan07:15:210
630499109,1cyclictest65850irq/126-lan11:40:160
6304991010,0cyclictest65850irq/126-lan08:08:490
6304991010,0cyclictest65850irq/126-lan08:00:010
63209998,1cyclictest743-21snmpd12:22:403
63209998,1cyclictest743-21snmpd12:07:403
63209998,1cyclictest743-21snmpd09:55:483
63209998,1cyclictest743-21snmpd09:24:533
63209998,1cyclictest743-21snmpd07:43:403
63209998,1cyclictest741-21lldpd10:49:543
63209998,1cyclictest741-21lldpd09:27:203
63209998,1cyclictest741-21lldpd08:36:273
63089998,1cyclictest743-21snmpd12:38:271
63089998,1cyclictest743-21snmpd11:10:391
63089998,1cyclictest743-21snmpd10:58:141
63089998,1cyclictest743-21snmpd09:33:161
63089998,1cyclictest741-21lldpd07:50:291
63049998,1cyclictest65850irq/126-lan09:35:130
63209988,0cyclictest743-21snmpd08:57:223
63209988,0cyclictest741-21lldpd11:24:503
63209988,0cyclictest741-21lldpd11:15:343
63209988,0cyclictest741-21lldpd09:00:093
63209988,0cyclictest741-21lldpd08:52:383
63209987,1cyclictest743-21snmpd12:28:233
63209987,1cyclictest741-21lldpd11:25:583
63209987,1cyclictest741-21lldpd11:06:303
63209987,1cyclictest2083-21latency_hist10:55:013
63209986,2cyclictest743-21snmpd10:37:233
63209986,2cyclictest743-21snmpd07:52:383
63209986,2cyclictest11205-21cat12:35:143
63169988,0cyclictest743-21snmpd12:30:382
63169988,0cyclictest741-21lldpd11:49:202
63169988,0cyclictest741-21lldpd11:40:162
63169988,0cyclictest741-21lldpd10:36:162
63169988,0cyclictest741-21lldpd08:43:022
63169988,0cyclictest741-21lldpd08:22:452
63169988,0cyclictest741-21lldpd07:38:332
63169987,1cyclictest743-21snmpd10:15:482
63169987,1cyclictest743-21snmpd09:52:032
63169987,1cyclictest743-21snmpd08:31:452
63169987,1cyclictest743-21snmpd07:24:372
63169987,1cyclictest741-21lldpd10:29:492
63169986,2cyclictest743-21snmpd12:22:012
63169986,2cyclictest743-21snmpd10:57:532
63169986,2cyclictest743-21snmpd10:50:372
63169986,2cyclictest743-21snmpd07:40:012
63089988,0cyclictest743-21snmpd12:01:441
63089988,0cyclictest743-21snmpd08:53:251
63089988,0cyclictest741-21lldpd11:59:421
63089987,1cyclictest743-21snmpd11:16:211
63089987,1cyclictest743-21snmpd08:15:531
63089987,1cyclictest741-21lldpd10:32:391
63089987,1cyclictest522-21avahi-daemon11:00:141
63089986,2cyclictest743-21snmpd11:51:151
63089986,2cyclictest743-21snmpd11:22:471
63089986,2cyclictest743-21snmpd10:35:571
63089986,2cyclictest743-21snmpd09:48:591
63089986,2cyclictest743-21snmpd09:23:351
63089986,2cyclictest743-21snmpd08:48:031
63089986,2cyclictest743-21snmpd08:00:321
63089985,3cyclictest743-21snmpd10:54:221
63209977,0cyclictest743-21snmpd09:18:313
63209977,0cyclictest743-21snmpd08:14:113
63209977,0cyclictest743-21snmpd07:57:343
63209977,0cyclictest741-21lldpd10:06:593
63209977,0cyclictest741-21lldpd07:34:513
63209976,1cyclictest8747-21fschecks_time07:15:143
63209976,1cyclictest743-21snmpd11:31:453
63209976,1cyclictest743-21snmpd09:46:353
63209976,1cyclictest743-21snmpd08:15:233
63209976,1cyclictest743-21snmpd07:35:383
63209976,1cyclictest741-21lldpd09:54:293
63209976,1cyclictest522-21avahi-daemon11:47:453
63209976,1cyclictest522-21avahi-daemon10:26:463
63209975,2cyclictest743-21snmpd11:10:573
63169977,0cyclictest743-21snmpd10:22:522
63169977,0cyclictest743-21snmpd08:19:052
63169977,0cyclictest741-21lldpd12:19:472
63169977,0cyclictest741-21lldpd09:38:242
63169977,0cyclictest741-21lldpd07:59:202
63169977,0cyclictest741-21lldpd07:10:592
63169976,1cyclictest743-21snmpd09:31:552
63169976,1cyclictest743-21snmpd09:17:432
63169976,1cyclictest743-21snmpd08:54:342
63169976,1cyclictest13232-21fschecks_time08:45:132
63169976,1cyclictest11136-21kworker/2:2+events12:25:132
63169975,2cyclictest743-21snmpd12:14:202
63169975,2cyclictest743-21snmpd09:57:422
63169975,2cyclictest12138-21cat10:00:132
63089977,0cyclictest743-21snmpd12:30:291
63089977,0cyclictest743-21snmpd12:06:311
63089977,0cyclictest743-21snmpd10:43:441
63089977,0cyclictest743-21snmpd09:05:021
63089977,0cyclictest743-21snmpd07:15:361
63089977,0cyclictest741-21lldpd12:10:161
63089977,0cyclictest741-21lldpd08:29:251
63089976,1cyclictest743-21snmpd10:49:051
63089976,1cyclictest743-21snmpd10:28:041
63089976,1cyclictest506-21systemd-resolve08:24:461
63089975,2cyclictest743-21snmpd11:45:521
63089975,2cyclictest743-21snmpd11:42:461
63089975,2cyclictest743-21snmpd11:33:091
63089975,2cyclictest743-21snmpd11:09:441
63089975,2cyclictest743-21snmpd09:37:021
63049976,1cyclictest743-21snmpd08:50:390
63209966,0cyclictest743-21snmpd12:10:263
63209966,0cyclictest743-21snmpd11:37:163
63209966,0cyclictest743-21snmpd11:03:323
63209966,0cyclictest743-21snmpd10:59:383
63209966,0cyclictest741-21lldpd12:34:553
63209966,0cyclictest741-21lldpd12:15:423
63209966,0cyclictest741-21lldpd11:55:583
63209966,0cyclictest741-21lldpd10:31:143
63209966,0cyclictest741-21lldpd07:25:113
63209966,0cyclictest522-21avahi-daemon09:44:153
63209966,0cyclictest506-21systemd-resolve08:44:343
63209965,1cyclictest15804-21cpuspeed_turbos10:10:123
63209965,1cyclictest10825-21fschecks_time07:20:133
63209964,2cyclictest743-21snmpd08:48:093
63209964,2cyclictest743-21snmpd07:10:273
63209964,2cyclictest27615-21cat08:00:133
63209963,2cyclictest22244-21ntpq09:05:173
63209961,4cyclictest3469-21cat09:40:003
63169966,0cyclictest743-21snmpd11:15:392
63169966,0cyclictest741-21lldpd11:02:222
63169966,0cyclictest741-21lldpd09:46:072
63169966,0cyclictest741-21lldpd07:52:272
63169966,0cyclictest522-21avahi-daemon07:27:262
63169965,1cyclictest743-21snmpd12:01:132
63169965,1cyclictest743-21snmpd11:38:182
63169965,1cyclictest743-21snmpd08:59:312
63169965,1cyclictest522-21avahi-daemon08:38:552
63169965,1cyclictest25422-21cat11:50:122
63169964,2cyclictest743-21snmpd10:12:582
63169962,2cyclictest31044-21cat08:10:002
63169960,4cyclictest28697-21ntpq09:20:152
63089966,0cyclictest743-21snmpd11:39:421
63089966,0cyclictest741-21lldpd07:44:471
63089966,0cyclictest522-21avahi-daemon08:06:201
63089965,1cyclictest522-21avahi-daemon08:58:071
63089965,1cyclictest522-21avahi-daemon07:10:181
63089965,1cyclictest15336-21cat11:25:141
63089965,1cyclictest11781-21cpuspeed_turbos10:00:121
63089964,2cyclictest743-21snmpd12:23:281
63089964,2cyclictest743-21snmpd09:00:001
63089964,2cyclictest743-21snmpd07:45:251
63089964,2cyclictest14146-21cat10:05:131
63089963,3cyclictest12574-21apt-get07:25:121
63089962,4cyclictest557-21NetworkManager09:50:331
63089962,4cyclictest557-21NetworkManager07:20:231
63089962,3cyclictest244-20systemd-journal08:32:271
63089961,5cyclictest557-21NetworkManager07:35:061
63209955,0cyclictest741-21lldpd10:17:183
63209955,0cyclictest522-21avahi-daemon08:26:493
63209954,1cyclictest29537-21gltestperf08:05:143
63209953,2cyclictest743-21snmpd07:45:083
63209952,3cyclictest557-21NetworkManager11:40:113
63209952,3cyclictest20233-21cat10:20:133
63209952,2cyclictest743-21snmpd09:13:473
63209952,2cyclictest12054-21sed10:00:133
63169955,0cyclictest743-21snmpd09:00:362
63169955,0cyclictest522-21avahi-daemon11:11:572
63169955,0cyclictest522-21avahi-daemon07:32:092
63169954,1cyclictest28753-21sendmail12:00:002
63169953,2cyclictest743-21snmpd10:45:232
63169952,2cyclictest5438-21memory08:25:152
63169952,2cyclictest32572-21vmstat08:10:212
63169952,2cyclictest32338-21sed12:05:212
63169952,2cyclictest18085-21sed11:30:232
63169951,3cyclictest9075-21memory07:15:152
63169951,3cyclictest29001-21ld10:40:162
63169951,3cyclictest22300-21ntpq09:05:172
63169950,5cyclictest22457-21apt07:49:592
63089955,0cyclictest743-21snmpd10:19:401
63089955,0cyclictest522-21avahi-daemon08:11:481
63089953,2cyclictest4993-21sshd09:40:231
63089952,3cyclictest743-21snmpd10:14:251
63089952,3cyclictest557-21NetworkManager12:25:341
63089952,2cyclictest10800-21cat09:55:221
63089952,1cyclictest0-21swapper/109:19:591
63089951,4cyclictest557-21NetworkManager07:31:111
63089951,3cyclictest25497-21grep07:55:141
63089951,3cyclictest24143-21uname09:10:161
63209944,0cyclictest25068-21cpuspeed_turbos11:50:103
63209942,2cyclictest743-21snmpd10:43:173
63209941,3cyclictest32534-21expr09:30:113
63209941,2cyclictest6910-21cpu08:30:123
63209941,2cyclictest3750-21cut08:20:183
63209940,3cyclictest29906-21ntpq12:00:183
63169944,0cyclictest0-21swapper/211:25:132
63169943,1cyclictest11136-21kworker/2:2+events11:06:282
63169943,1cyclictest11136-21kworker/2:2+events09:10:012
63169942,2cyclictest0-21swapper/210:05:112
63169942,1cyclictest10800-21grep12:35:112
63169940,4cyclictest27899-21ntpq08:00:142
63169940,3cyclictest4380-21ntpq09:40:162
63169940,3cyclictest30251-21fw_conntrack09:25:142
63169940,3cyclictest24665-21ntp_states10:30:182
63169940,2cyclictest13217-21tail11:20:122
63089944,0cyclictest0-21swapper/110:20:151
63089941,3cyclictest557-21NetworkManager12:16:011
63089941,3cyclictest557-21NetworkManager08:38:571
63089940,4cyclictest11109-21df08:40:131
63089940,3cyclictest30128-21diskstats09:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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