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2026-06-02 - 01:38

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 Mon Jun 01, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30149992019,1cyclictest65850irq/126-lan11:56:501
30149991918,1cyclictest65850irq/126-lan07:50:141
30149991817,1cyclictest65850irq/126-lan11:20:141
30149991817,1cyclictest65850irq/126-lan07:15:211
30149991716,1cyclictest65850irq/126-lan12:35:121
30149991716,1cyclictest65850irq/126-lan11:15:141
30149991716,1cyclictest65850irq/126-lan10:45:201
30149991716,1cyclictest65850irq/126-lan10:30:141
30149991716,1cyclictest65850irq/126-lan10:05:151
30149991716,1cyclictest65850irq/126-lan09:40:151
30149991716,1cyclictest65850irq/126-lan08:35:161
30149991716,1cyclictest65850irq/126-lan08:10:111
30149991716,1cyclictest65850irq/126-lan08:05:211
30149991716,1cyclictest65850irq/126-lan08:00:121
30149991616,0cyclictest65850irq/126-lan12:22:241
30149991616,0cyclictest65850irq/126-lan09:05:121
30149991616,0cyclictest65850irq/126-lan08:25:131
30149991616,0cyclictest65850irq/126-lan07:38:431
30149991616,0cyclictest65850irq/126-lan07:25:141
30149991615,1cyclictest65850irq/126-lan11:25:171
30149991615,1cyclictest65850irq/126-lan10:55:221
30149991615,1cyclictest65850irq/126-lan10:00:171
30149991615,1cyclictest65850irq/126-lan08:55:151
30149991615,1cyclictest65850irq/126-lan08:45:181
30149991615,1cyclictest65850irq/126-lan08:40:131
30149991515,0cyclictest65850irq/126-lan11:40:161
30149991515,0cyclictest65850irq/126-lan11:30:191
30149991515,0cyclictest65850irq/126-lan10:50:201
30149991515,0cyclictest65850irq/126-lan10:35:131
30149991515,0cyclictest65850irq/126-lan09:30:151
30149991515,0cyclictest65850irq/126-lan08:20:441
30149991514,1cyclictest65850irq/126-lan12:05:181
30149991514,1cyclictest65850irq/126-lan11:45:111
30149991514,1cyclictest65850irq/126-lan11:40:001
30149991514,1cyclictest65850irq/126-lan11:10:151
30149991514,1cyclictest65850irq/126-lan09:55:221
30149991514,1cyclictest65850irq/126-lan09:45:201
30149991514,1cyclictest65850irq/126-lan09:00:171
30149991514,1cyclictest65850irq/126-lan08:30:171
30149991513,1cyclictest65850irq/126-lan09:10:131
30149991414,0cyclictest65850irq/126-lan12:04:231
30149991414,0cyclictest65850irq/126-lan10:20:191
30149991414,0cyclictest65850irq/126-lan09:50:151
30149991414,0cyclictest65850irq/126-lan09:35:171
30149991414,0cyclictest65850irq/126-lan09:20:141
30149991414,0cyclictest65850irq/126-lan07:11:441
30149991413,1cyclictest65850irq/126-lan12:25:121
30149991413,1cyclictest65850irq/126-lan10:40:121
30149991413,1cyclictest65850irq/126-lan10:10:111
30149991413,1cyclictest65850irq/126-lan08:15:181
30149991313,0cyclictest65850irq/126-lan12:15:121
30149991313,0cyclictest65850irq/126-lan12:10:191
30149991313,0cyclictest65850irq/126-lan10:15:201
30149991312,1cyclictest65850irq/126-lan12:30:161
30149991312,1cyclictest65850irq/126-lan07:45:141
30149991212,0cyclictest65850irq/126-lan09:25:191
30149991211,1cyclictest65850irq/126-lan11:50:161
30149991211,1cyclictest65850irq/126-lan07:55:141
30149991111,0cyclictest65850irq/126-lan11:01:241
30149991111,0cyclictest65850irq/126-lan10:26:221
30149991111,0cyclictest65850irq/126-lan07:30:171
30149991110,1cyclictest65850irq/126-lan08:50:161
30149991110,1cyclictest65850irq/126-lan07:20:111
30149991010,0cyclictest65850irq/126-lan09:15:151
301589998,1cyclictest743-21snmpd09:57:553
301589998,1cyclictest741-21lldpd07:35:193
301539998,1cyclictest743-21snmpd08:07:582
301539998,1cyclictest743-21snmpd07:15:192
301539998,1cyclictest741-21lldpd11:20:352
301539998,1cyclictest741-21lldpd09:46:312
301449998,1cyclictest743-21snmpd09:40:500
301589988,0cyclictest743-21snmpd10:46:173
301589988,0cyclictest743-21snmpd09:05:223
301589988,0cyclictest741-21lldpd11:47:463
301589988,0cyclictest741-21lldpd10:58:273
301589987,1cyclictest743-21snmpd12:29:323
301589987,1cyclictest743-21snmpd12:24:353
301589987,1cyclictest743-21snmpd12:19:213
301589987,1cyclictest743-21snmpd10:24:383
301589987,1cyclictest743-21snmpd10:12:353
301589987,1cyclictest741-21lldpd09:34:153
301589987,1cyclictest522-21avahi-daemon09:20:293
301589986,2cyclictest743-21snmpd12:39:033
301589986,2cyclictest743-21snmpd08:47:173
301589986,2cyclictest743-21snmpd07:46:263
301589986,2cyclictest23755-21cat10:50:143
301539988,0cyclictest743-21snmpd12:35:132
301539988,0cyclictest743-21snmpd07:45:532
301539988,0cyclictest741-21lldpd10:50:102
301539987,1cyclictest743-21snmpd12:26:442
301539987,1cyclictest741-21lldpd12:03:222
301539987,1cyclictest741-21lldpd09:19:072
301539987,1cyclictest10928-21sh10:20:002
301539986,2cyclictest743-21snmpd11:28:022
301539986,2cyclictest743-21snmpd09:09:252
301539986,2cyclictest743-21snmpd07:40:002
301539986,2cyclictest27781-21cat11:00:142
301539986,2cyclictest2423-21cat07:20:132
301539984,3cyclictest10894-21apt-get09:00:122
301499987,1cyclictest65850irq/126-lan07:40:121
301449988,0cyclictest743-21snmpd10:02:250
301449988,0cyclictest743-21snmpd09:13:460
301449988,0cyclictest741-21lldpd12:17:000
301449988,0cyclictest741-21lldpd11:35:290
301449988,0cyclictest741-21lldpd10:35:000
301449988,0cyclictest741-21lldpd08:09:290
301449987,1cyclictest743-21snmpd07:55:100
301449987,1cyclictest522-21avahi-daemon08:20:220
301449986,2cyclictest743-21snmpd12:33:220
301449986,2cyclictest743-21snmpd12:20:210
301449986,2cyclictest743-21snmpd11:55:550
301449986,2cyclictest743-21snmpd10:23:470
301589977,0cyclictest743-21snmpd11:19:513
301589977,0cyclictest743-21snmpd10:43:153
301589977,0cyclictest741-21lldpd11:13:573
301589977,0cyclictest741-21lldpd10:33:063
301589977,0cyclictest741-21lldpd09:18:253
301589977,0cyclictest741-21lldpd08:31:303
301589977,0cyclictest741-21lldpd07:43:073
301589977,0cyclictest522-21avahi-daemon08:58:353
301589976,1cyclictest522-21avahi-daemon11:21:103
301589976,1cyclictest522-21avahi-daemon07:56:533
301589975,2cyclictest743-21snmpd10:35:173
301589975,2cyclictest743-21snmpd07:23:333
301589975,2cyclictest743-21snmpd07:15:553
301539977,0cyclictest743-21snmpd11:59:342
301539977,0cyclictest743-21snmpd08:39:422
301539977,0cyclictest743-21snmpd08:13:312
301539977,0cyclictest741-21lldpd12:15:122
301539977,0cyclictest741-21lldpd10:31:262
301539977,0cyclictest741-21lldpd10:05:192
301539976,1cyclictest743-21snmpd10:20:472
301539976,1cyclictest741-21lldpd08:21:492
301539976,1cyclictest13629-21cpuspeed_turbos11:45:112
301539975,2cyclictest743-21snmpd11:52:222
301539975,2cyclictest743-21snmpd10:59:132
301539975,2cyclictest743-21snmpd10:41:512
301539975,2cyclictest743-21snmpd08:40:232
301449977,0cyclictest743-21snmpd10:16:370
301449977,0cyclictest743-21snmpd09:52:460
301449977,0cyclictest743-21snmpd09:00:110
301449977,0cyclictest741-21lldpd12:35:030
301449977,0cyclictest741-21lldpd08:15:360
301449976,1cyclictest743-21snmpd12:05:000
301449976,1cyclictest743-21snmpd11:46:050
301449976,1cyclictest743-21snmpd09:45:070
301449976,1cyclictest743-21snmpd07:49:160
301449976,1cyclictest741-21lldpd10:52:120
301449975,2cyclictest743-21snmpd11:25:300
301449975,2cyclictest743-21snmpd11:00:580
301449975,2cyclictest743-21snmpd08:40:530
301449973,3cyclictest6575-21memory07:30:140
301589966,0cyclictest741-21lldpd12:30:173
301589966,0cyclictest741-21lldpd08:04:353
301589966,0cyclictest741-21lldpd07:27:313
301589965,1cyclictest743-21snmpd11:01:213
301589965,1cyclictest743-21snmpd09:36:073
301589965,1cyclictest743-21snmpd09:00:353
301589965,1cyclictest522-21avahi-daemon08:54:263
301589965,1cyclictest522-21avahi-daemon07:12:523
301589964,2cyclictest743-21snmpd11:44:203
301589963,3cyclictest24392-21ntpq12:10:153
301589963,2cyclictest22380-21sed08:05:243
301589962,3cyclictest25364-21fw_packets08:15:153
301589962,3cyclictest244-20systemd-journal09:47:263
301539966,0cyclictest741-21lldpd08:59:122
301539965,1cyclictest743-21snmpd10:48:472
301539965,1cyclictest743-21snmpd09:32:092
301539965,1cyclictest6283-21fschecks_time07:30:132
301539965,1cyclictest522-21avahi-daemon07:35:162
301539965,1cyclictest31433-21gltestperf08:30:132
301539964,2cyclictest743-21snmpd11:39:582
301539964,2cyclictest743-21snmpd08:02:042
301539964,2cyclictest743-21snmpd07:52:552
301539964,2cyclictest743-21snmpd07:27:032
301539964,2cyclictest31924-21cat09:50:162
301539963,2cyclictest32554-21ntp_states12:30:172
301499964,2cyclictest743-21snmpd11:09:391
301449966,0cyclictest743-21snmpd12:27:380
301449966,0cyclictest743-21snmpd09:38:460
301449966,0cyclictest573-21in:imuxsock10:30:440
301449965,1cyclictest743-21snmpd07:28:480
301449965,1cyclictest743-21snmpd07:10:420
301449965,1cyclictest29409-21gltestperf08:25:130
301449964,2cyclictest743-21snmpd11:33:530
301449964,2cyclictest743-21snmpd11:23:150
301449964,2cyclictest743-21snmpd09:56:440
301449964,2cyclictest743-21snmpd07:43:070
301449964,2cyclictest19395-21cat09:20:130
301449963,3cyclictest743-21snmpd08:59:480
301449962,3cyclictest14085-21ntp_states10:25:180
301589955,0cyclictest741-21lldpd08:14:363
301589954,1cyclictest743-21snmpd12:05:113
301589954,1cyclictest0-21swapper/309:10:123
301589952,3cyclictest7406-21grep11:30:143
301589952,3cyclictest557-21NetworkManager08:42:293
301589952,3cyclictest30767-21sshd11:05:433
301589952,3cyclictest244-20systemd-journal08:36:103
301589952,2cyclictest575-21rs:main3
301589952,2cyclictest3402-21tune2fs10:00:123
301589952,2cyclictest27537-21if_lan08:20:143
301589952,2cyclictest19315-21cron12:00:013
301589951,3cyclictest9690-21sed10:15:143
301589951,3cyclictest22020-21sensors09:25:213
301539955,0cyclictest743-21snmpd11:32:352
301539955,0cyclictest741-21lldpd08:54:072
301539955,0cyclictest725-21in:imuxsock09:25:012
301539955,0cyclictest522-21avahi-daemon10:36:092
301539954,1cyclictest743-21snmpd11:18:312
301539953,2cyclictest743-21snmpd10:03:072
301539953,2cyclictest743-21snmpd09:40:042
301539952,3cyclictest7997-21ntp_states10:10:152
301539952,2cyclictest5684-21nvmesmart_nvme008:45:192
301539952,2cyclictest32699-21grep11:10:222
301539952,2cyclictest2637-21seq09:57:202
301539952,2cyclictest26173-21find08:15:212
301539951,3cyclictest29630-21perl11:05:122
301449955,0cyclictest743-21snmpd10:42:150
301449955,0cyclictest741-21lldpd10:13:060
301449955,0cyclictest741-21lldpd08:11:440
301449954,1cyclictest7526-21ntpq08:50:140
301449954,1cyclictest743-21snmpd12:11:380
301449954,1cyclictest743-21snmpd11:53:310
301449954,1cyclictest522-21avahi-daemon11:14:310
301449954,1cyclictest31796-21needreboot08:30:150
301449954,1cyclictest29742-21gltestperf11:05:130
301449954,1cyclictest0-21swapper/011:40:200
301449953,2cyclictest9501-21sshd07:36:440
301449953,2cyclictest743-21snmpd07:21:150
301449953,2cyclictest0-21swapper/010:55:120
301449952,3cyclictest557-21NetworkManager08:35:220
301449952,2cyclictest5462-21strings08:45:160
301449952,2cyclictest14911-21grep07:50:160
301449950,3cyclictest20786-21ls08:04:590
301589943,1cyclictest29525-21kworker/3:0+events11:35:053
301589943,1cyclictest29525-21kworker/3:0+events09:40:063
301589943,1cyclictest17653-21cpuspeed_turbos11:55:133
301589943,1cyclictest14643-21cpuspeed_turbos07:50:133
301589943,1cyclictest0-21swapper/308:25:133
301589942,2cyclictest717-21ntpd11:50:113
301589942,2cyclictest511ktimers/311:25:123
301589941,2cyclictest244-20systemd-journal07:30:093
301589940,3cyclictest5323-21diskstats10:05:123
301589940,3cyclictest31784-21fw_conntrack09:50:153
301539944,0cyclictest741-21lldpd09:27:572
301539942,2cyclictest22771-21sort12:05:222
301539941,2cyclictest31055-21ld07:10:162
301539941,2cyclictest28464-21sed12:20:172
301539941,2cyclictest244-20systemd-journal07:55:072
301539941,2cyclictest23793-21sh12:10:112
301539941,2cyclictest15298-21cut09:10:122
301539940,4cyclictest13955-21ntpq10:25:172
301539940,3cyclictest29278-21diskstats08:25:122
301539940,3cyclictest12315-21ntpq11:40:162
301449943,1cyclictest21708-21tr12:05:130
301449942,2cyclictest743-21snmpd11:15:070
301449942,2cyclictest743-21snmpd09:26:160
301449942,2cyclictest17633-21ntpq09:15:160
301449941,2cyclictest452-21ls07:15:160
301449941,2cyclictest23021-21awk09:30:000
301449941,2cyclictest21307-21cpu10:45:120
301449940,4cyclictest5994-21ntpq10:05:160
301449940,3cyclictest13756-21ntp_states09:05:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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