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2026-06-05 - 19:09

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 Fri Jun 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24859991918,1cyclictest65850irq/126-lan10:15:303
24859991918,1cyclictest65850irq/126-lan08:40:193
24859991817,1cyclictest65850irq/126-lan12:10:123
24859991817,1cyclictest65850irq/126-lan11:23:563
24859991817,1cyclictest65850irq/126-lan11:10:163
24859991817,1cyclictest65850irq/126-lan11:00:213
24859991817,1cyclictest65850irq/126-lan10:45:133
24859991817,1cyclictest65850irq/126-lan08:57:473
24859991817,1cyclictest65850irq/126-lan07:22:293
24859991717,0cyclictest65850irq/126-lan11:40:113
24859991717,0cyclictest65850irq/126-lan10:05:143
24859991717,0cyclictest65850irq/126-lan08:35:233
24859991716,1cyclictest65850irq/126-lan12:25:103
24859991716,1cyclictest65850irq/126-lan12:21:053
24859991716,1cyclictest65850irq/126-lan12:05:143
24859991716,1cyclictest65850irq/126-lan09:21:203
24859991716,1cyclictest65850irq/126-lan08:25:123
24859991716,1cyclictest65850irq/126-lan08:08:323
24859991716,1cyclictest65850irq/126-lan07:15:123
24859991616,0cyclictest65850irq/126-lan11:55:143
24859991616,0cyclictest65850irq/126-lan11:45:133
24859991616,0cyclictest65850irq/126-lan11:35:223
24859991616,0cyclictest65850irq/126-lan10:50:143
24859991616,0cyclictest65850irq/126-lan10:35:223
24859991616,0cyclictest65850irq/126-lan09:55:183
24859991616,0cyclictest65850irq/126-lan09:02:303
24859991615,1cyclictest65850irq/126-lan12:30:143
24859991615,1cyclictest65850irq/126-lan10:25:133
24859991615,1cyclictest65850irq/126-lan09:50:153
24859991615,1cyclictest65850irq/126-lan08:00:133
24859991615,1cyclictest65850irq/126-lan07:45:193
24859991615,1cyclictest65850irq/126-lan07:35:143
24859991615,1cyclictest65850irq/126-lan07:25:193
24850991616,0cyclictest743-21snmpd10:30:191
24850991616,0cyclictest743-21snmpd08:05:051
24859991515,0cyclictest65850irq/126-lan10:30:123
24859991515,0cyclictest65850irq/126-lan09:35:183
24859991515,0cyclictest65850irq/126-lan09:05:183
24859991515,0cyclictest65850irq/126-lan08:45:173
24859991514,1cyclictest65850irq/126-lan12:35:173
24859991514,1cyclictest65850irq/126-lan09:45:123
24859991514,1cyclictest65850irq/126-lan09:40:113
24859991514,1cyclictest65850irq/126-lan08:50:113
24859991514,1cyclictest65850irq/126-lan08:30:153
24859991514,1cyclictest65850irq/126-lan08:15:113
24859991514,1cyclictest65850irq/126-lan07:40:183
24850991515,0cyclictest743-21snmpd12:19:191
24850991515,0cyclictest743-21snmpd10:25:401
24850991515,0cyclictest743-21snmpd09:29:591
24850991515,0cyclictest743-21snmpd07:55:561
24859991414,0cyclictest65850irq/126-lan11:05:213
24859991414,0cyclictest65850irq/126-lan10:03:413
24859991414,0cyclictest65850irq/126-lan09:15:233
24859991414,0cyclictest65850irq/126-lan07:30:123
24859991413,1cyclictest65850irq/126-lan11:30:223
24859991413,1cyclictest65850irq/126-lan11:15:163
24859991413,1cyclictest65850irq/126-lan10:40:153
24859991413,1cyclictest65850irq/126-lan09:10:183
24859991413,1cyclictest65850irq/126-lan08:10:113
24850991414,0cyclictest743-21snmpd12:29:281
24850991414,0cyclictest743-21snmpd11:48:061
24850991414,0cyclictest743-21snmpd10:22:281
24850991414,0cyclictest743-21snmpd07:27:491
24850991414,0cyclictest23783-21cat09:45:141
24850991414,0cyclictest12762-21cat11:55:131
24859991312,1cyclictest65850irq/126-lan11:50:113
24859991312,1cyclictest65850irq/126-lan10:55:173
24859991312,1cyclictest65850irq/126-lan08:23:293
24850991313,0cyclictest743-21snmpd10:05:151
24850991313,0cyclictest743-21snmpd09:38:231
24850991313,0cyclictest743-21snmpd09:23:201
24850991313,0cyclictest743-21snmpd09:00:581
24850991313,0cyclictest743-21snmpd08:56:521
24850991313,0cyclictest743-21snmpd08:01:081
24850991313,0cyclictest20056-21cat10:55:141
24850991313,0cyclictest18803-21cat12:10:131
24859991212,0cyclictest65850irq/126-lan10:15:003
24859991212,0cyclictest65850irq/126-lan07:50:193
24859991211,1cyclictest65850irq/126-lan12:15:133
24850991212,0cyclictest743-21snmpd09:52:571
24850991212,0cyclictest29001-21cat11:15:141
24859991111,0cyclictest65850irq/126-lan07:55:173
24859991110,1cyclictest65850irq/126-lan10:20:163
2485999109,1cyclictest65850irq/126-lan11:25:123
24859991010,0cyclictest65850irq/126-lan12:00:183
24850991010,0cyclictest743-21snmpd08:32:001
248559998,1cyclictest743-21snmpd11:49:182
248559998,1cyclictest743-21snmpd09:15:292
248559998,1cyclictest741-21lldpd09:44:282
248429998,1cyclictest743-21snmpd09:54:420
248429998,1cyclictest741-21lldpd12:10:420
248429997,2cyclictest743-21snmpd07:14:510
248599988,0cyclictest741-21lldpd09:32:213
248559988,0cyclictest741-21lldpd11:36:512
248559988,0cyclictest741-21lldpd10:40:542
248559987,1cyclictest573-21in:imuxsock07:18:512
248559987,1cyclictest29167-21cut12:35:132
248559987,1cyclictest25165-21gltestperf12:25:122
248559986,2cyclictest743-21snmpd11:09:172
248559986,2cyclictest743-21snmpd11:01:202
248559986,2cyclictest743-21snmpd09:33:242
248559986,2cyclictest743-21snmpd08:10:592
248559986,2cyclictest3181-21cat07:35:162
248509988,0cyclictest743-21snmpd10:04:391
248509988,0cyclictest743-21snmpd08:54:041
248509988,0cyclictest743-21snmpd08:44:041
248509988,0cyclictest741-21lldpd11:22:231
248509987,1cyclictest743-21snmpd07:47:381
248509986,2cyclictest743-21snmpd10:41:071
248429988,0cyclictest743-21snmpd10:37:400
248429988,0cyclictest741-21lldpd08:16:200
248429988,0cyclictest741-21lldpd07:49:300
248429987,1cyclictest743-21snmpd12:29:220
248429987,1cyclictest743-21snmpd12:17:460
248429987,1cyclictest743-21snmpd07:22:460
248429987,1cyclictest741-21lldpd09:43:380
248429987,1cyclictest522-21avahi-daemon10:05:150
248429986,2cyclictest743-21snmpd12:02:100
248429986,2cyclictest743-21snmpd11:05:350
248429986,2cyclictest743-21snmpd09:08:250
248599975,2cyclictest743-21snmpd07:14:333
248559977,0cyclictest743-21snmpd10:31:412
248559977,0cyclictest743-21snmpd09:49:042
248559977,0cyclictest743-21snmpd09:39:592
248559977,0cyclictest743-21snmpd09:12:172
248559977,0cyclictest741-21lldpd12:09:532
248559977,0cyclictest741-21lldpd09:02:082
248559977,0cyclictest741-21lldpd08:36:492
248559977,0cyclictest741-21lldpd08:27:452
248559977,0cyclictest741-21lldpd07:40:022
248559977,0cyclictest741-21lldpd07:12:152
248559976,1cyclictest743-21snmpd07:46:582
248559976,1cyclictest741-21lldpd07:53:322
248559976,1cyclictest522-21avahi-daemon10:09:332
248559976,1cyclictest29324-21fschecks_time07:20:122
248559975,2cyclictest743-21snmpd11:56:542
248559975,2cyclictest743-21snmpd10:52:202
248559975,2cyclictest743-21snmpd10:38:402
248559975,2cyclictest743-21snmpd10:11:032
248559975,2cyclictest743-21snmpd09:57:482
248559975,2cyclictest743-21snmpd08:43:222
248559975,2cyclictest21367-21cron11:00:002
248509977,0cyclictest743-21snmpd12:20:081
248509977,0cyclictest743-21snmpd10:51:441
248509977,0cyclictest743-21snmpd10:45:551
248509977,0cyclictest743-21snmpd10:16:011
248509977,0cyclictest743-21snmpd09:41:001
248509977,0cyclictest741-21lldpd11:35:521
248509977,0cyclictest741-21lldpd09:06:311
248509977,0cyclictest741-21lldpd08:25:271
248509977,0cyclictest741-21lldpd07:31:581
248509976,1cyclictest741-21lldpd09:34:491
248509975,2cyclictest743-21snmpd11:42:091
248509975,2cyclictest743-21snmpd08:17:571
248509975,2cyclictest743-21snmpd07:54:261
248429977,0cyclictest743-21snmpd12:08:140
248429977,0cyclictest743-21snmpd11:14:230
248429977,0cyclictest741-21lldpd11:51:340
248429977,0cyclictest741-21lldpd10:04:100
248429977,0cyclictest741-21lldpd08:21:120
248429977,0cyclictest741-21lldpd08:07:140
248429977,0cyclictest741-21lldpd07:55:300
248429977,0cyclictest741-21lldpd07:25:040
248429976,1cyclictest9129-21fschecks_time07:50:140
248429976,1cyclictest743-21snmpd10:58:590
248429976,1cyclictest743-21snmpd10:25:010
248429976,1cyclictest743-21snmpd09:48:180
248429976,1cyclictest743-21snmpd09:15:560
248429976,1cyclictest743-21snmpd09:03:400
248429976,1cyclictest522-21avahi-daemon11:03:380
248429975,2cyclictest743-21snmpd09:11:410
248429972,5cyclictest557-21NetworkManager11:39:250
248599965,1cyclictest743-21snmpd09:25:413
248559966,0cyclictest743-21snmpd12:30:222
248559966,0cyclictest743-21snmpd08:19:152
248559966,0cyclictest741-21lldpd12:14:062
248559966,0cyclictest741-21lldpd10:46:432
248559966,0cyclictest741-21lldpd10:23:302
248559966,0cyclictest506-21systemd-resolve07:28:232
248559965,1cyclictest743-21snmpd11:34:092
248559965,1cyclictest743-21snmpd08:56:072
248559965,1cyclictest743-21snmpd08:32:062
248559965,1cyclictest522-21avahi-daemon09:28:542
248559964,2cyclictest743-21snmpd08:20:092
248559964,2cyclictest11303-21cat07:55:142
248559962,3cyclictest26406-21fw_forwarded_lo11:10:122
248509966,0cyclictest741-21lldpd11:53:261
248509966,0cyclictest741-21lldpd11:27:211
248509966,0cyclictest741-21lldpd11:05:311
248509966,0cyclictest741-21lldpd07:22:301
248509963,3cyclictest31507-21apt-get08:45:121
248509963,3cyclictest21697-21fw_conntrack08:20:131
248509962,4cyclictest557-21NetworkManager12:30:331
248429966,0cyclictest743-21snmpd11:32:150
248429966,0cyclictest743-21snmpd11:29:480
248429966,0cyclictest741-21lldpd11:21:140
248429966,0cyclictest741-21lldpd08:11:300
248429965,1cyclictest743-21snmpd10:11:540
248429964,2cyclictest743-21snmpd12:30:190
248429964,2cyclictest743-21snmpd08:25:120
248429964,2cyclictest17704-21cat09:30:120
248429963,3cyclictest22979-21memory12:20:140
248429963,2cyclictest244-20systemd-journal09:35:260
248429963,2cyclictest244-20systemd-journal09:25:200
248429962,3cyclictest6672-21smartctl11:40:120
248559955,0cyclictest743-21snmpd10:29:012
248559955,0cyclictest743-21snmpd08:49:022
248559954,1cyclictest743-21snmpd12:21:412
248559954,1cyclictest743-21snmpd11:54:182
248559954,1cyclictest743-21snmpd09:54:272
248559954,1cyclictest421ktimers/207:30:182
248559952,3cyclictest557-21NetworkManager11:43:542
248559952,3cyclictest30764-21entropy11:20:112
248559952,2cyclictest575-21rs:main2
248559952,2cyclictest3476-21dpkg10:15:112
248559952,2cyclictest28285-21dpkg11:15:002
248559950,4cyclictest30232-21ntpq10:00:182
248509955,0cyclictest741-21lldpd11:31:031
248509954,1cyclictest2825-21cpuspeed_turbos07:35:141
248509954,1cyclictest27342-21/usr/sbin/munin09:55:181
248509953,2cyclictest743-21snmpd09:18:111
248509953,2cyclictest743-21snmpd08:35:361
248509953,2cyclictest743-21snmpd08:10:411
248509953,2cyclictest717-21ntpd12:06:371
248509952,2cyclictest26556-21cat11:10:131
248509952,2cyclictest25908-21ld07:10:171
248509952,2cyclictest15417-21sed12:00:181
248509952,2cyclictest11728-21entropy10:35:131
248509950,4cyclictest1881-21ntpq10:10:141
248429955,0cyclictest522-21avahi-daemon11:49:240
248429955,0cyclictest522-21avahi-daemon10:52:560
248429955,0cyclictest522-21avahi-daemon10:47:270
248429955,0cyclictest522-21avahi-daemon08:43:260
248429954,1cyclictest743-21snmpd08:57:400
248429954,1cyclictest743-21snmpd08:53:130
248429954,1cyclictest743-21snmpd07:15:000
248429954,1cyclictest27530-21cpuspeed_turbos08:35:130
248429953,2cyclictest743-21snmpd09:21:230
248429952,3cyclictest557-21NetworkManager08:30:100
248429952,2cyclictest9863-21expr10:30:120
248429952,2cyclictest5771-21pmu-power07:40:180
248429951,3cyclictest31506-21apt08:45:120
248429951,3cyclictest2088-21users07:30:200
248559943,1cyclictest506-21systemd-resolve08:00:172
248559942,2cyclictest743-21snmpd08:50:522
248559942,2cyclictest20839-21irqstats12:15:122
248559942,2cyclictest13700-21cat09:20:132
248559941,2cyclictest955-21ld11:25:152
248559940,3cyclictest8019-21ntp_states09:05:162
248559940,3cyclictest14512-21df_inode12:00:102
248509942,2cyclictest22464-21grep11:00:131
248509941,2cyclictest29569-21strings12:35:161
248509940,4cyclictest557-21NetworkManager07:15:291
248509940,3cyclictest4911-21cpuspeed_turbos07:40:121
248429943,1cyclictest171ktimers/011:15:000
248429942,2cyclictest5733-21cut10:20:120
248429941,2cyclictest3115-21apt-config10:15:000
248429940,4cyclictest28138-21ntpq09:55:160
248429940,4cyclictest14468-21smartctl10:40:160
248429940,4cyclictest13734-21ntpq08:00:160
248429940,4cyclictest13048-21ntpq11:55:140
248429940,3cyclictest3587-21ntp_states07:35:190
248509930,3cyclictest9353-21df09:10:101
248429930,3cyclictest28880-21/usr/sbin/munin12:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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