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2026-07-24 - 17:18

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 Fri Jul 24, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7960991918,1cyclictest65850irq/126-lan10:00:220
7960991818,0cyclictest743-21snmpd10:30:500
7960991818,0cyclictest65850irq/126-lan10:51:290
7960991818,0cyclictest65850irq/126-lan10:15:150
7960991817,1cyclictest65850irq/126-lan08:15:240
7960991817,1cyclictest65850irq/126-lan07:55:150
7960991717,0cyclictest65850irq/126-lan12:25:010
7960991717,0cyclictest65850irq/126-lan12:04:550
7960991717,0cyclictest65850irq/126-lan10:20:160
7960991717,0cyclictest65850irq/126-lan10:05:210
7960991717,0cyclictest65850irq/126-lan09:40:210
7960991717,0cyclictest65850irq/126-lan09:25:120
7960991717,0cyclictest65850irq/126-lan09:23:500
7960991717,0cyclictest65850irq/126-lan08:25:210
7960991716,1cyclictest65850irq/126-lan10:10:170
7960991716,1cyclictest65850irq/126-lan09:35:130
7960991716,1cyclictest65850irq/126-lan08:06:090
7960991616,0cyclictest743-21snmpd12:15:170
7960991616,0cyclictest743-21snmpd11:26:450
7960991616,0cyclictest743-21snmpd09:05:110
7960991616,0cyclictest65850irq/126-lan11:50:120
7960991616,0cyclictest65850irq/126-lan11:35:040
7960991616,0cyclictest65850irq/126-lan09:45:210
7960991616,0cyclictest65850irq/126-lan09:15:220
7960991616,0cyclictest65850irq/126-lan09:10:140
7960991616,0cyclictest32278-21cat12:05:150
7960991615,1cyclictest65850irq/126-lan11:45:180
7960991615,1cyclictest65850irq/126-lan11:40:170
7960991615,1cyclictest65850irq/126-lan09:50:160
7960991615,1cyclictest65850irq/126-lan09:00:160
7960991615,1cyclictest65850irq/126-lan07:40:130
7960991615,1cyclictest65850irq/126-lan07:20:220
7960991515,0cyclictest743-21snmpd11:17:170
7960991515,0cyclictest743-21snmpd11:10:390
7960991515,0cyclictest743-21snmpd10:36:590
7960991515,0cyclictest743-21snmpd08:48:080
7960991515,0cyclictest743-21snmpd08:24:510
7960991515,0cyclictest743-21snmpd07:45:470
7960991515,0cyclictest743-21snmpd07:35:120
7960991515,0cyclictest65850irq/126-lan11:08:330
7960991515,0cyclictest65850irq/126-lan10:55:200
7960991515,0cyclictest65850irq/126-lan08:55:190
7960991515,0cyclictest65850irq/126-lan07:30:190
7960991515,0cyclictest65850irq/126-lan07:10:160
7960991515,0cyclictest18147-21cat11:30:130
7960991514,1cyclictest65850irq/126-lan12:35:140
7960991514,1cyclictest65850irq/126-lan11:00:130
7960991514,1cyclictest65850irq/126-lan10:45:160
7960991514,1cyclictest65850irq/126-lan08:35:120
7960991514,1cyclictest65850irq/126-lan08:00:180
7960991514,1cyclictest65850irq/126-lan07:15:170
7960991414,0cyclictest65850irq/126-lan11:20:000
7960991414,0cyclictest65850irq/126-lan09:30:200
7960991414,0cyclictest65850irq/126-lan08:30:200
7960991414,0cyclictest65850irq/126-lan07:25:170
7960991413,1cyclictest65850irq/126-lan08:40:200
7960991413,1cyclictest65850irq/126-lan07:50:120
7971991311,2cyclictest743-21snmpd09:26:183
7960991313,0cyclictest65850irq/126-lan12:31:470
7960991313,0cyclictest65850irq/126-lan12:20:130
7960991313,0cyclictest65850irq/126-lan12:10:140
7960991313,0cyclictest65850irq/126-lan11:55:150
7960991313,0cyclictest65850irq/126-lan09:55:250
7960991212,0cyclictest65850irq/126-lan08:10:220
7960991111,0cyclictest65850irq/126-lan10:24:590
7960991111,0cyclictest65850irq/126-lan08:50:170
7960991010,0cyclictest65850irq/126-lan10:40:190
79719998,1cyclictest743-21snmpd09:37:113
79639998,1cyclictest743-21snmpd10:14:091
79639996,3cyclictest743-21snmpd12:31:061
79639996,3cyclictest717-21ntpd10:06:061
79639993,5cyclictest244-20systemd-journal07:10:071
79719988,0cyclictest743-21snmpd12:11:263
79719988,0cyclictest743-21snmpd11:42:343
79719988,0cyclictest741-21lldpd12:31:153
79719988,0cyclictest741-21lldpd11:24:413
79719988,0cyclictest741-21lldpd11:15:493
79719988,0cyclictest741-21lldpd09:06:423
79719988,0cyclictest741-21lldpd08:05:543
79719988,0cyclictest741-21lldpd07:22:033
79719987,1cyclictest743-21snmpd12:00:103
79719987,1cyclictest19124-21sh10:15:003
79719986,2cyclictest743-21snmpd11:59:173
79719986,2cyclictest743-21snmpd09:35:003
79719986,2cyclictest743-21snmpd08:31:273
79679988,0cyclictest743-21snmpd10:55:132
79679988,0cyclictest743-21snmpd10:13:422
79679988,0cyclictest743-21snmpd08:59:472
79679988,0cyclictest743-21snmpd08:00:052
79679988,0cyclictest741-21lldpd12:18:112
79679987,1cyclictest743-21snmpd11:01:212
79679987,1cyclictest743-21snmpd09:20:502
79679987,1cyclictest743-21snmpd08:50:462
79679987,1cyclictest522-21avahi-daemon10:08:012
79679986,2cyclictest743-21snmpd11:08:392
79679986,2cyclictest743-21snmpd09:01:382
79679986,2cyclictest743-21snmpd07:55:482
79679986,2cyclictest18664-21cat07:35:162
79639988,0cyclictest743-21snmpd08:45:561
79639988,0cyclictest741-21lldpd10:55:191
79639988,0cyclictest741-21lldpd10:25:131
79639988,0cyclictest741-21lldpd08:24:531
79639987,1cyclictest743-21snmpd10:33:471
79639987,1cyclictest743-21snmpd08:33:491
79639987,1cyclictest741-21lldpd09:14:061
79639986,2cyclictest7613-21cat11:05:131
79639986,2cyclictest743-21snmpd10:22:101
79639986,2cyclictest743-21snmpd07:37:271
79639986,2cyclictest743-21snmpd07:16:221
79639986,2cyclictest717-21ntpd11:15:301
79639986,2cyclictest717-21ntpd11:12:291
79639986,2cyclictest717-21ntpd11:03:131
79639986,2cyclictest717-21ntpd10:45:251
79639986,2cyclictest717-21ntpd10:35:251
79639986,2cyclictest717-21ntpd10:15:381
79639986,2cyclictest717-21ntpd09:35:441
79639986,2cyclictest717-21ntpd09:33:001
79639986,2cyclictest717-21ntpd09:25:291
79639986,2cyclictest717-21ntpd09:23:061
79639986,2cyclictest717-21ntpd08:55:031
79639986,2cyclictest717-21ntpd08:51:541
79639986,2cyclictest717-21ntpd08:12:081
79639986,2cyclictest717-21ntpd08:08:591
79639986,2cyclictest717-21ntpd07:22:261
79719977,0cyclictest743-21snmpd12:38:393
79719977,0cyclictest743-21snmpd10:51:023
79719977,0cyclictest743-21snmpd10:30:173
79719977,0cyclictest743-21snmpd10:23:043
79719977,0cyclictest741-21lldpd10:47:323
79719977,0cyclictest741-21lldpd09:50:473
79719977,0cyclictest741-21lldpd09:19:313
79719977,0cyclictest741-21lldpd08:11:343
79719976,1cyclictest743-21snmpd12:24:053
79719976,1cyclictest743-21snmpd10:55:463
79719976,1cyclictest741-21lldpd07:39:223
79719975,2cyclictest743-21snmpd12:27:273
79719975,2cyclictest743-21snmpd10:27:583
79719975,2cyclictest743-21snmpd09:04:593
79719975,2cyclictest743-21snmpd08:44:443
79719975,2cyclictest743-21snmpd08:19:303
79719975,2cyclictest743-21snmpd07:15:233
79679977,0cyclictest743-21snmpd12:04:132
79679977,0cyclictest743-21snmpd09:18:152
79679977,0cyclictest743-21snmpd08:48:172
79679977,0cyclictest743-21snmpd07:30:522
79679977,0cyclictest743-21snmpd07:26:042
79679977,0cyclictest743-21snmpd07:20:292
79679977,0cyclictest743-21snmpd07:17:432
79679977,0cyclictest741-21lldpd12:36:062
79679977,0cyclictest741-21lldpd11:29:272
79679977,0cyclictest741-21lldpd09:34:512
79679977,0cyclictest741-21lldpd08:21:152
79679976,1cyclictest743-21snmpd09:58:092
79679976,1cyclictest741-21lldpd07:52:402
79679975,2cyclictest743-21snmpd10:53:262
79679975,2cyclictest743-21snmpd09:29:262
79679975,2cyclictest743-21snmpd08:35:242
79679975,2cyclictest743-21snmpd08:16:152
79679975,2cyclictest743-21snmpd07:44:152
79679974,2cyclictest743-21snmpd10:49:592
79679973,3cyclictest19875-21df_inode11:35:122
79639977,0cyclictest743-21snmpd12:06:501
79639977,0cyclictest741-21lldpd11:55:231
79639977,0cyclictest741-21lldpd09:01:571
79639976,1cyclictest741-21lldpd11:50:411
79639976,1cyclictest717-21ntpd10:40:081
79639975,2cyclictest743-21snmpd09:57:391
79639975,2cyclictest743-21snmpd09:52:101
79639975,2cyclictest743-21snmpd08:28:131
79639975,2cyclictest717-21ntpd10:50:051
79639975,2cyclictest717-21ntpd08:15:041
79639975,2cyclictest14640-21cat07:25:161
79639974,3cyclictest23766-21apt-get11:45:121
79719966,0cyclictest743-21snmpd09:58:463
79719966,0cyclictest743-21snmpd09:44:003
79719966,0cyclictest741-21lldpd11:45:493
79719966,0cyclictest741-21lldpd10:03:303
79719965,1cyclictest743-21snmpd11:12:533
79719965,1cyclictest743-21snmpd08:23:313
79719965,1cyclictest743-21snmpd08:01:053
79719965,1cyclictest743-21snmpd07:53:033
79719965,1cyclictest573-21in:imuxsock11:09:383
79719965,1cyclictest29747-21cut10:40:113
79719965,1cyclictest17211-21needreboot08:50:153
79719964,2cyclictest743-21snmpd12:07:023
79719964,2cyclictest743-21snmpd10:17:013
79719963,3cyclictest7410-21sed08:25:193
79719962,3cyclictest244-20systemd-journal12:15:383
79719962,3cyclictest244-20systemd-journal08:45:213
79679966,0cyclictest743-21snmpd12:25:472
79679966,0cyclictest743-21snmpd12:21:202
79679966,0cyclictest743-21snmpd08:14:222
79679966,0cyclictest741-21lldpd12:34:542
79679966,0cyclictest741-21lldpd09:14:032
79679966,0cyclictest741-21lldpd08:07:402
79679966,0cyclictest522-21avahi-daemon10:30:592
79679966,0cyclictest506-21systemd-resolve08:34:512
79679965,1cyclictest743-21snmpd09:50:392
79679965,1cyclictest743-21snmpd08:40:042
79679965,1cyclictest27534-21cpuspeed_turbos10:35:112
79679963,2cyclictest8209-21ps09:45:182
79679962,3cyclictest28083-21fw_packets11:55:142
79679962,3cyclictest23524-21systemd-run11:45:002
79679962,3cyclictest11809-21diskstats11:15:132
79639966,0cyclictest741-21lldpd11:32:381
79639966,0cyclictest741-21lldpd10:00:401
79639966,0cyclictest522-21avahi-daemon07:52:281
79639965,1cyclictest743-21snmpd12:28:031
79639965,1cyclictest743-21snmpd12:15:591
79639965,1cyclictest743-21snmpd11:37:011
79639965,1cyclictest743-21snmpd07:42:001
79639965,1cyclictest573-21in:imuxsock07:31:241
79639965,1cyclictest5574-21cpuspeed_turbos12:20:131
79639965,1cyclictest244-20systemd-journal12:37:271
79639965,1cyclictest22709-21sed07:45:131
79639961,5cyclictest557-21NetworkManager12:13:451
79639960,5cyclictest11364-21ntpq08:35:161
79719955,0cyclictest741-21lldpd09:22:043
79719955,0cyclictest741-21lldpd08:37:243
79719954,1cyclictest7326-21cpuspeed_turbos09:45:123
79719954,1cyclictest22402-21cpuspeed_turbos07:45:113
79719952,2cyclictest8489-21grep07:10:143
79719952,2cyclictest27507-21ld07:55:193
79719952,2cyclictest244-20systemd-journal11:29:143
79719952,2cyclictest244-20systemd-journal07:43:293
79719952,2cyclictest16428-21threads10:05:203
79719951,3cyclictest16495-21cut07:30:123
79719950,3cyclictest19452-21apt11:35:003
79679955,0cyclictest743-21snmpd11:54:402
79679955,0cyclictest743-21snmpd08:26:012
79679955,0cyclictest522-21avahi-daemon07:48:502
79679954,1cyclictest506-21systemd-resolve10:19:012
79679954,1cyclictest14106-21ntpq10:00:172
79679953,2cyclictest743-21snmpd07:11:282
79679952,2cyclictest9916-21grep11:10:122
79679952,2cyclictest30724-21unixbench-2d10:40:192
79679952,2cyclictest244-20systemd-journal10:24:492
79679951,3cyclictest4239-21grep09:35:192
79679950,4cyclictest24590-21ntpq11:45:172
79639954,1cyclictest26849-21cpuspeed_turbos07:55:151
79639954,1cyclictest15764-21cpuspeed_turbos11:25:131
79639952,2cyclictest24146-21wc09:05:191
79639951,4cyclictest5590-21head09:40:141
79639951,3cyclictest31767-21sed12:05:001
79639951,3cyclictest13859-21fschecks_count11:20:131
79719942,2cyclictest557-21NetworkManager11:35:063
79719942,2cyclictest25067-21acpi09:10:113
79719941,2cyclictest5883-21ldconfig11:00:173
79719941,2cyclictest18717-21cpuspeed_turbos08:55:143
79719941,2cyclictest14726-21sed07:25:153
79719940,3cyclictest27629-21diskstats10:35:113
79719940,3cyclictest26067-21fw_forwarded_lo11:50:143
79679943,1cyclictest743-21snmpd11:30:512
79679942,2cyclictest5587-21sed09:40:142
79679941,2cyclictest14523-21sh11:20:182
79679940,4cyclictest23822-21ntpq09:05:152
79679940,4cyclictest1910-21irqstats12:10:162
79679940,3cyclictest32299-21/usr/sbin/munin12:05:162
79679940,3cyclictest23605-21diskstats10:25:122
79639942,2cyclictest29254-21cat08:00:141
79639942,2cyclictest22173-21cat11:40:141
79639941,2cyclictest244-20systemd-journal09:45:111
79639940,4cyclictest13409-21ntpq08:40:171
79639940,3cyclictest27614-21/usr/sbin/munin09:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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