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2026-05-03 - 21:23

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 Sun May 03, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6748992929,0cyclictest18578-21fwupd07:37:112
6743992019,1cyclictest65850irq/126-lan12:24:251
6753991818,0cyclictest743-21snmpd10:07:273
6753991818,0cyclictest30015-21cat09:25:153
6743991818,0cyclictest65850irq/126-lan10:30:141
6743991818,0cyclictest65850irq/126-lan07:25:161
6743991817,1cyclictest65850irq/126-lan11:55:121
6743991817,1cyclictest65850irq/126-lan09:21:591
6753991717,0cyclictest743-21snmpd11:09:283
6753991717,0cyclictest743-21snmpd09:22:223
6753991717,0cyclictest743-21snmpd09:16:373
6753991717,0cyclictest743-21snmpd07:58:203
6743991717,0cyclictest65850irq/126-lan11:50:111
6743991716,1cyclictest65850irq/126-lan12:05:271
6743991716,1cyclictest65850irq/126-lan11:30:491
6743991716,1cyclictest65850irq/126-lan11:25:121
6743991716,1cyclictest65850irq/126-lan10:13:351
6743991716,1cyclictest65850irq/126-lan08:05:111
6753991616,0cyclictest743-21snmpd11:57:333
6753991616,0cyclictest743-21snmpd10:18:063
6753991616,0cyclictest743-21snmpd07:46:103
6743991616,0cyclictest65850irq/126-lan08:45:181
6743991616,0cyclictest65850irq/126-lan08:10:121
6743991616,0cyclictest65850irq/126-lan07:45:211
6743991615,1cyclictest65850irq/126-lan11:20:121
6743991615,1cyclictest65850irq/126-lan11:00:141
6743991615,1cyclictest65850irq/126-lan10:22:101
6743991615,1cyclictest65850irq/126-lan09:30:181
6743991615,1cyclictest65850irq/126-lan09:00:171
6743991615,1cyclictest65850irq/126-lan08:35:171
6743991615,1cyclictest65850irq/126-lan08:00:161
6743991615,1cyclictest65850irq/126-lan07:40:201
6743991515,0cyclictest65850irq/126-lan11:10:151
6743991515,0cyclictest65850irq/126-lan11:05:161
6743991515,0cyclictest65850irq/126-lan10:50:171
6743991514,1cyclictest65850irq/126-lan10:40:151
6743991514,1cyclictest65850irq/126-lan10:05:091
6743991514,1cyclictest65850irq/126-lan09:50:161
6743991514,1cyclictest65850irq/126-lan09:25:181
6743991414,0cyclictest65850irq/126-lan12:15:201
6743991414,0cyclictest65850irq/126-lan10:35:171
6743991414,0cyclictest65850irq/126-lan09:45:131
6743991414,0cyclictest65850irq/126-lan08:50:161
6743991414,0cyclictest65850irq/126-lan07:38:101
6743991413,1cyclictest65850irq/126-lan11:15:141
6743991413,1cyclictest65850irq/126-lan09:35:121
6743991413,1cyclictest65850irq/126-lan08:55:161
6743991413,1cyclictest65850irq/126-lan08:40:181
6743991413,1cyclictest65850irq/126-lan08:40:171
6743991413,1cyclictest65850irq/126-lan08:30:131
6743991413,1cyclictest65850irq/126-lan08:20:171
6743991413,1cyclictest65850irq/126-lan07:55:211
6753991313,0cyclictest743-21snmpd07:41:193
6743991313,0cyclictest65850irq/126-lan11:40:121
6743991313,0cyclictest65850irq/126-lan11:35:111
6743991313,0cyclictest65850irq/126-lan10:17:071
6743991313,0cyclictest65850irq/126-lan09:59:101
6743991313,0cyclictest65850irq/126-lan09:15:131
6743991313,0cyclictest65850irq/126-lan07:10:151
6743991312,1cyclictest65850irq/126-lan08:15:161
6743991312,1cyclictest65850irq/126-lan07:22:151
6743991212,0cyclictest65850irq/126-lan12:29:471
6743991212,0cyclictest65850irq/126-lan07:30:191
6743991211,1cyclictest65850irq/126-lan12:30:161
6743991211,1cyclictest65850irq/126-lan10:00:171
6743991211,1cyclictest65850irq/126-lan09:05:101
6748991111,0cyclictest743-21snmpd10:10:312
6743991111,0cyclictest65850irq/126-lan12:00:171
6743991111,0cyclictest65850irq/126-lan09:10:161
6743991110,1cyclictest65850irq/126-lan12:35:191
6743991110,1cyclictest65850irq/126-lan12:10:001
6743991010,0cyclictest65850irq/126-lan10:45:171
6743991010,0cyclictest65850irq/126-lan10:25:161
6743991010,0cyclictest65850irq/126-lan07:50:181
67539998,1cyclictest743-21snmpd11:42:473
67539998,1cyclictest743-21snmpd08:33:513
67539998,1cyclictest741-21lldpd08:36:223
67489998,1cyclictest741-21lldpd09:34:272
67439998,1cyclictest743-21snmpd07:18:271
67439998,1cyclictest65850irq/126-lan11:45:191
67389998,1cyclictest743-21snmpd12:06:040
67389998,1cyclictest743-21snmpd11:46:220
67389998,1cyclictest743-21snmpd09:26:350
67389998,1cyclictest743-21snmpd09:10:410
67389998,1cyclictest743-21snmpd08:36:330
67389998,1cyclictest741-21lldpd08:27:530
67539988,0cyclictest743-21snmpd11:16:203
67539988,0cyclictest743-21snmpd08:50:433
67539988,0cyclictest741-21lldpd12:29:593
67539988,0cyclictest741-21lldpd10:21:353
67539987,1cyclictest743-21snmpd12:03:103
67539987,1cyclictest743-21snmpd10:58:173
67539987,1cyclictest743-21snmpd07:18:123
67539987,1cyclictest506-21systemd-resolve09:30:143
67539986,2cyclictest743-21snmpd07:11:213
67489988,0cyclictest743-21snmpd10:28:522
67489988,0cyclictest743-21snmpd10:05:172
67489988,0cyclictest741-21lldpd10:50:162
67489988,0cyclictest741-21lldpd08:56:522
67489987,1cyclictest743-21snmpd11:31:392
67489987,1cyclictest743-21snmpd09:55:032
67489987,1cyclictest743-21snmpd07:21:552
67489987,1cyclictest741-21lldpd12:11:412
67489986,2cyclictest743-21snmpd12:27:492
67489986,2cyclictest743-21snmpd09:42:272
67489986,2cyclictest743-21snmpd08:45:062
67489986,2cyclictest743-21snmpd08:36:392
67489986,2cyclictest743-21snmpd08:10:052
67489985,2cyclictest743-21snmpd08:31:422
67439988,0cyclictest65850irq/126-lan08:25:181
67439986,2cyclictest717-21ntpd10:55:471
67389988,0cyclictest743-21snmpd09:02:190
67389988,0cyclictest741-21lldpd12:34:090
67389988,0cyclictest741-21lldpd12:20:280
67389988,0cyclictest741-21lldpd10:33:040
67389987,1cyclictest743-21snmpd10:25:480
67389986,2cyclictest743-21snmpd10:04:030
67539977,0cyclictest743-21snmpd11:26:033
67539977,0cyclictest743-21snmpd11:21:083
67539977,0cyclictest741-21lldpd12:17:383
67539977,0cyclictest741-21lldpd10:40:053
67539977,0cyclictest741-21lldpd08:24:123
67539977,0cyclictest741-21lldpd08:00:533
67539976,1cyclictest743-21snmpd12:37:383
67539976,1cyclictest743-21snmpd11:01:343
67539976,1cyclictest743-21snmpd07:51:203
67539976,1cyclictest741-21lldpd10:26:443
67539975,2cyclictest743-21snmpd07:31:013
67539970,6cyclictest3553-21fw_forwarded_lo09:40:143
67489977,0cyclictest743-21snmpd09:11:492
67489977,0cyclictest743-21snmpd09:02:402
67489977,0cyclictest741-21lldpd09:36:572
67489977,0cyclictest741-21lldpd07:51:002
67489977,0cyclictest741-21lldpd07:30:192
67489976,1cyclictest743-21snmpd11:15:242
67489976,1cyclictest743-21snmpd10:46:282
67489975,2cyclictest743-21snmpd09:49:232
67489975,2cyclictest743-21snmpd09:25:412
67489975,2cyclictest743-21snmpd08:25:302
67489975,2cyclictest30288-21cat12:05:132
67389977,0cyclictest743-21snmpd10:39:070
67389977,0cyclictest741-21lldpd09:22:080
67389977,0cyclictest741-21lldpd08:33:260
67389977,0cyclictest741-21lldpd07:47:550
67389977,0cyclictest741-21lldpd07:37:270
67389976,1cyclictest743-21snmpd10:14:420
67389976,1cyclictest743-21snmpd09:56:360
67389976,1cyclictest743-21snmpd09:36:320
67389976,1cyclictest743-21snmpd09:09:430
67389976,1cyclictest743-21snmpd08:44:240
67389976,1cyclictest743-21snmpd08:44:240
67389976,1cyclictest741-21lldpd12:39:560
67389976,1cyclictest573-21in:imuxsock12:16:100
67389975,2cyclictest743-21snmpd12:29:400
67389975,2cyclictest743-21snmpd11:13:020
67389975,2cyclictest743-21snmpd10:54:580
67389975,2cyclictest743-21snmpd09:15:010
67389975,2cyclictest743-21snmpd08:53:480
67389973,3cyclictest5782-21diskstats11:05:120
67539966,0cyclictest743-21snmpd12:11:153
67539966,0cyclictest741-21lldpd11:48:103
67539966,0cyclictest741-21lldpd09:10:023
67539966,0cyclictest522-21avahi-daemon09:46:263
67539965,1cyclictest743-21snmpd11:38:203
67539965,1cyclictest743-21snmpd08:19:113
67539965,1cyclictest741-21lldpd08:26:523
67539965,1cyclictest522-21avahi-daemon09:35:243
67539965,1cyclictest31524-21gltestperf08:10:123
67539965,1cyclictest23764-21/usr/sbin/munin11:50:183
67539965,1cyclictest15969-21cut11:30:143
67539964,2cyclictest743-21snmpd10:30:003
67539964,2cyclictest4404-21cat12:20:133
67539963,0cyclictest191rcu_preempt07:25:193
67539962,3cyclictest29383-21diskstats08:05:133
67489966,0cyclictest743-21snmpd11:05:312
67489966,0cyclictest743-21snmpd08:07:292
67489966,0cyclictest743-21snmpd08:01:352
67489966,0cyclictest741-21lldpd10:33:492
67489966,0cyclictest741-21lldpd08:20:382
67489966,0cyclictest522-21avahi-daemon09:54:542
67489965,1cyclictest9699-21ntp_kernel_pll_07:15:172
67489965,1cyclictest8072-21cpuspeed_turbos12:30:122
67489965,1cyclictest741-21lldpd10:03:352
67489965,1cyclictest741-21lldpd07:29:172
67489964,2cyclictest743-21snmpd10:56:142
67489964,2cyclictest743-21snmpd10:40:142
67489963,3cyclictest557-21NetworkManager09:24:462
67489962,3cyclictest21791-21fw_forwarded_lo09:05:142
67389966,0cyclictest522-21avahi-daemon08:03:220
67389966,0cyclictest522-21avahi-daemon07:44:200
67389966,0cyclictest522-21avahi-daemon07:15:580
67389966,0cyclictest506-21systemd-resolve07:59:270
67389965,1cyclictest743-21snmpd10:16:400
67389965,1cyclictest573-21in:imuxsock11:32:320
67389965,1cyclictest522-21avahi-daemon08:10:190
67389964,2cyclictest743-21snmpd11:40:170
67389964,2cyclictest743-21snmpd07:26:010
67389963,3cyclictest7092-21diskstats07:10:120
67389963,3cyclictest20584-21ntpq10:20:150
67389962,3cyclictest581-21ntpq12:10:140
67539955,0cyclictest741-21lldpd11:10:273
67539955,0cyclictest506-21systemd-resolve08:47:513
67539954,1cyclictest743-21snmpd10:35:063
67539953,2cyclictest743-21snmpd10:00:413
67539953,2cyclictest717-21ntpd08:55:493
67539953,2cyclictest511ktimers/310:10:113
67539953,2cyclictest12485-21sshd07:22:103
67539952,3cyclictest557-21NetworkManager10:45:113
67539952,2cyclictest8425-21sed09:50:193
67539952,2cyclictest17597-21cat07:35:153
67539950,3cyclictest29856-21apt-get12:05:103
67489955,0cyclictest743-21snmpd11:27:052
67489955,0cyclictest0-21swapper/208:43:042
67489955,0cyclictest0-21swapper/208:43:032
67489954,1cyclictest24412-21needreboot11:50:152
67489953,2cyclictest743-21snmpd11:10:202
67489953,2cyclictest743-21snmpd07:12:542
67489952,2cyclictest27086-21seq09:17:502
67489952,2cyclictest244-20systemd-journal07:45:502
67489951,3cyclictest4509-21pluginstate11:00:182
67489951,3cyclictest27996-21df12:00:132
67489951,3cyclictest18085-21sed11:35:132
67489951,3cyclictest12244-21memory11:20:132
67489951,3cyclictest10799-21sed12:35:182
67439954,1cyclictest331ktimers/109:40:181
67389955,0cyclictest743-21snmpd11:00:290
67389955,0cyclictest743-21snmpd09:50:110
67389955,0cyclictest743-21snmpd09:43:450
67389954,1cyclictest9719-21cpuspeed_turbos11:15:130
67389954,1cyclictest4016-21ntp_192.168.11408:20:160
67389953,2cyclictest743-21snmpd09:45:200
67389952,2cyclictest32264-21head09:30:150
67389952,2cyclictest31047-21grep10:45:200
67389952,2cyclictest2142-21ls10:55:150
67389951,3cyclictest1550-21ntp_192.168.11408:15:160
67389951,3cyclictest15052-21grep11:25:190
67389950,4cyclictest12458-21ntpq11:20:150
67389950,4cyclictest11091-21cut07:20:110
67539943,1cyclictest0-21swapper/308:40:193
67539943,1cyclictest0-21swapper/308:40:183
67539942,2cyclictest717-21ntpd10:50:003
67539941,2cyclictest10159-21ntp_states09:55:183
67539940,4cyclictest22219-21ntpq09:05:183
67539940,3cyclictest8291-21fw_forwarded_lo12:30:133
67489943,1cyclictest421ktimers/211:55:202
67489943,1cyclictest1279-21cat08:15:142
67489942,2cyclictest4043-21grep12:20:122
67489942,2cyclictest244-20systemd-journal11:49:472
67489942,2cyclictest20289-21cat10:20:132
67489941,2cyclictest25338-21forks07:55:132
67489941,2cyclictest20353-21sed11:40:162
67489941,2cyclictest15813-21head08:50:142
67489940,3cyclictest19829-21ntpq07:40:152
67489940,3cyclictest1919-21apt-get12:15:122
67489940,3cyclictest17970-21diskstats10:15:122
67389943,1cyclictest27914-21cpuspeed_turbos12:00:130
67389943,1cyclictest13682-21fschecks_time08:45:130
67389942,2cyclictest743-21snmpd10:05:050
67389942,2cyclictest24499-21gcc11:50:160
67389942,2cyclictest15850-21ld07:30:180
67389942,2cyclictest0-21swapper/011:35:110
67389941,2cyclictest28761-21cat10:40:180
67389941,2cyclictest25959-21tr11:55:130
67389941,2cyclictest23531-21cut07:50:130
67389940,3cyclictest29771-21memory08:05:150
67389940,3cyclictest17609-21diskstats08:55:130
67539932,1cyclictest511ktimers/309:00:113
67489930,3cyclictest25886-21apt-get10:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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