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2026-07-05 - 12:50

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 Jul 05, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5701991818,0cyclictest65850irq/126-lan23:47:360
5701991818,0cyclictest65850irq/126-lan22:16:450
5701991818,0cyclictest65850irq/126-lan20:15:150
5701991818,0cyclictest65850irq/126-lan20:02:010
5701991818,0cyclictest65850irq/126-lan19:50:190
5701991817,1cyclictest65850irq/126-lan23:20:100
5701991817,1cyclictest65850irq/126-lan20:45:120
5701991717,0cyclictest65850irq/126-lan21:25:160
5701991717,0cyclictest65850irq/126-lan20:32:440
5701991717,0cyclictest65850irq/126-lan20:13:440
5701991717,0cyclictest65850irq/126-lan00:05:160
5701991716,1cyclictest65850irq/126-lan23:05:220
5701991716,1cyclictest65850irq/126-lan22:50:200
5701991716,1cyclictest65850irq/126-lan22:45:120
5701991716,1cyclictest65850irq/126-lan22:40:000
5701991716,1cyclictest65850irq/126-lan21:40:130
5701991616,0cyclictest65850irq/126-lan23:55:150
5701991616,0cyclictest65850irq/126-lan23:10:110
5701991616,0cyclictest65850irq/126-lan22:00:440
5701991616,0cyclictest65850irq/126-lan21:55:210
5701991616,0cyclictest65850irq/126-lan19:40:110
5701991616,0cyclictest65850irq/126-lan19:40:110
5701991616,0cyclictest65850irq/126-lan00:19:160
5701991615,1cyclictest65850irq/126-lan23:00:170
5701991615,1cyclictest65850irq/126-lan21:06:430
5701991615,1cyclictest65850irq/126-lan20:55:180
5701991615,1cyclictest65850irq/126-lan00:30:140
5701991515,0cyclictest65850irq/126-lan22:55:180
5701991515,0cyclictest65850irq/126-lan21:38:060
5701991515,0cyclictest65850irq/126-lan20:35:450
5701991515,0cyclictest65850irq/126-lan19:45:160
5701991515,0cyclictest65850irq/126-lan19:25:160
5701991515,0cyclictest65850irq/126-lan19:20:120
5701991514,1cyclictest65850irq/126-lan21:20:180
5701991514,1cyclictest65850irq/126-lan19:35:130
5701991514,1cyclictest65850irq/126-lan19:20:000
5701991514,1cyclictest65850irq/126-lan00:20:160
5701991414,0cyclictest65850irq/126-lan21:16:440
5701991414,0cyclictest65850irq/126-lan20:20:220
5701991414,0cyclictest65850irq/126-lan19:55:140
5701991414,0cyclictest65850irq/126-lan19:10:210
5701991413,1cyclictest65850irq/126-lan23:19:450
5701991413,1cyclictest65850irq/126-lan21:14:050
5701991313,0cyclictest65850irq/126-lan23:40:200
5701991313,0cyclictest65850irq/126-lan23:31:450
5701991313,0cyclictest65850irq/126-lan22:43:440
5701991313,0cyclictest65850irq/126-lan22:30:160
5701991313,0cyclictest65850irq/126-lan22:25:430
5701991313,0cyclictest65850irq/126-lan22:10:160
5701991312,1cyclictest65850irq/126-lan23:25:170
5701991312,1cyclictest65850irq/126-lan21:50:140
5701991312,1cyclictest65850irq/126-lan00:39:480
5701991212,0cyclictest65850irq/126-lan20:05:160
5701991212,0cyclictest65850irq/126-lan19:30:220
5701991212,0cyclictest65850irq/126-lan00:28:020
5701991212,0cyclictest65850irq/126-lan00:10:110
5701991211,1cyclictest65850irq/126-lan21:30:170
5701991211,1cyclictest65850irq/126-lan20:50:170
5701991211,1cyclictest65850irq/126-lan00:00:230
5701991111,0cyclictest65850irq/126-lan23:37:420
5701991110,1cyclictest65850irq/126-lan23:50:160
5701991110,1cyclictest65850irq/126-lan22:20:160
5701991110,1cyclictest65850irq/126-lan21:45:210
5701991110,1cyclictest65850irq/126-lan20:40:160
570199109,1cyclictest65850irq/126-lan22:06:290
57199998,1cyclictest743-21snmpd23:15:093
57199998,1cyclictest743-21snmpd21:03:473
57199998,1cyclictest743-21snmpd20:30:463
57199998,1cyclictest743-21snmpd19:11:223
57199998,1cyclictest741-21lldpd22:00:163
57199996,3cyclictest743-21snmpd20:27:013
57159998,1cyclictest743-21snmpd23:53:412
57159998,1cyclictest743-21snmpd23:23:362
57159998,1cyclictest743-21snmpd23:07:032
57159998,1cyclictest743-21snmpd00:05:142
57199988,0cyclictest741-21lldpd23:29:473
57199988,0cyclictest741-21lldpd20:11:033
57199987,1cyclictest743-21snmpd23:22:123
57199987,1cyclictest743-21snmpd20:54:443
57199987,1cyclictest743-21snmpd20:06:033
57199987,1cyclictest743-21snmpd19:48:453
57199987,1cyclictest244-20systemd-journal19:20:593
57199986,2cyclictest743-21snmpd21:42:123
57199986,2cyclictest743-21snmpd19:55:443
57199986,2cyclictest743-21snmpd00:34:193
57199986,2cyclictest717-21ntpd22:35:023
57199986,2cyclictest23203-21cat22:30:163
57159988,0cyclictest741-21lldpd23:32:232
57159988,0cyclictest741-21lldpd23:27:092
57159988,0cyclictest522-21avahi-daemon21:26:052
57159987,1cyclictest743-21snmpd23:14:302
57159987,1cyclictest743-21snmpd21:22:392
57159987,1cyclictest743-21snmpd19:49:202
57159987,1cyclictest743-21snmpd19:32:532
57159987,1cyclictest743-21snmpd00:01:122
57159986,2cyclictest743-21snmpd21:07:542
57159986,2cyclictest743-21snmpd20:56:592
57159986,2cyclictest743-21snmpd19:20:462
57159986,2cyclictest717-21ntpd22:16:452
57159986,2cyclictest717-21ntpd21:50:012
57159986,2cyclictest717-21ntpd21:39:452
57159986,2cyclictest717-21ntpd21:12:102
57159986,2cyclictest717-21ntpd20:12:032
57159986,2cyclictest717-21ntpd19:25:452
57159986,2cyclictest717-21ntpd19:17:452
57159986,2cyclictest717-21ntpd00:28:022
57159986,2cyclictest717-21ntpd00:20:222
57099988,0cyclictest743-21snmpd21:21:501
57099988,0cyclictest741-21lldpd23:46:331
57099988,0cyclictest741-21lldpd23:16:361
57099988,0cyclictest741-21lldpd21:29:481
57099988,0cyclictest741-21lldpd19:43:101
57099988,0cyclictest741-21lldpd19:43:101
57099987,1cyclictest743-21snmpd22:58:361
57099987,1cyclictest743-21snmpd21:41:091
57099987,1cyclictest743-21snmpd21:16:411
57099987,1cyclictest743-21snmpd20:53:201
57099987,1cyclictest743-21snmpd20:02:541
57099987,1cyclictest741-21lldpd23:21:351
57099987,1cyclictest741-21lldpd23:11:471
57099987,1cyclictest741-21lldpd20:30:391
57099986,2cyclictest743-21snmpd22:42:541
57099986,2cyclictest743-21snmpd22:35:321
57099986,2cyclictest743-21snmpd19:56:231
57019987,1cyclictest743-21snmpd21:01:230
57199977,0cyclictest743-21snmpd21:26:033
57199977,0cyclictest743-21snmpd20:22:153
57199977,0cyclictest743-21snmpd20:04:313
57199977,0cyclictest743-21snmpd00:28:413
57199977,0cyclictest741-21lldpd19:50:023
57199976,1cyclictest743-21snmpd23:57:353
57199976,1cyclictest743-21snmpd22:40:183
57199976,1cyclictest743-21snmpd22:23:353
57199976,1cyclictest743-21snmpd19:43:023
57199976,1cyclictest743-21snmpd19:43:023
57199976,1cyclictest743-21snmpd00:09:263
57199976,1cyclictest717-21ntpd23:30:243
57199976,1cyclictest717-21ntpd21:18:443
57199976,1cyclictest244-20systemd-journal21:55:473
57199976,1cyclictest244-20systemd-journal21:37:463
57199975,2cyclictest743-21snmpd23:52:043
57199975,2cyclictest743-21snmpd22:07:373
57199975,2cyclictest743-21snmpd21:20:093
57159977,0cyclictest8036-21sh20:35:002
57159977,0cyclictest743-21snmpd20:44:042
57159977,0cyclictest743-21snmpd20:07:302
57159977,0cyclictest743-21snmpd19:50:082
57159977,0cyclictest743-21snmpd00:11:172
57159977,0cyclictest741-21lldpd22:27:202
57159977,0cyclictest741-21lldpd22:24:252
57159977,0cyclictest741-21lldpd22:02:242
57159977,0cyclictest741-21lldpd21:31:142
57159977,0cyclictest741-21lldpd20:28:112
57159977,0cyclictest741-21lldpd00:32:072
57159976,1cyclictest741-21lldpd20:46:072
57159976,1cyclictest741-21lldpd20:35:592
57159976,1cyclictest741-21lldpd20:04:032
57159976,1cyclictest717-21ntpd22:37:342
57159976,1cyclictest717-21ntpd20:15:452
57159976,1cyclictest522-21avahi-daemon23:04:182
57159976,1cyclictest22182-21needreboot23:45:162
57159976,1cyclictest19067-21needreboot21:00:152
57159975,2cyclictest9055-21cat21:55:132
57159975,1cyclictest717-21ntpd19:12:452
57159973,3cyclictest14693-21apt-get22:10:122
57099977,0cyclictest743-21snmpd21:05:121
57099977,0cyclictest741-21lldpd23:09:491
57099976,1cyclictest743-21snmpd23:41:101
57099976,1cyclictest743-21snmpd22:54:501
57099976,1cyclictest743-21snmpd00:28:561
57099976,1cyclictest741-21lldpd21:36:421
57099976,1cyclictest522-21avahi-daemon23:01:061
57099976,1cyclictest522-21avahi-daemon22:32:501
57099975,2cyclictest21188-21cat22:25:141
57099974,2cyclictest10385-21cat19:20:141
57199966,0cyclictest743-21snmpd00:15:153
57199966,0cyclictest741-21lldpd21:05:073
57199966,0cyclictest741-21lldpd20:37:153
57199966,0cyclictest741-21lldpd20:15:393
57199965,1cyclictest717-21ntpd22:50:243
57199965,1cyclictest717-21ntpd21:14:443
57199965,1cyclictest522-21avahi-daemon23:06:083
57199965,1cyclictest12042-21cpuspeed_turbos19:25:113
57199964,2cyclictest743-21snmpd19:31:473
57199964,2cyclictest743-21snmpd00:21:233
57199964,2cyclictest743-21snmpd00:10:443
57199962,3cyclictest29262-21if_lan22:45:133
57199962,3cyclictest21687-21diskstats23:45:133
57199962,3cyclictest16665-21fw_forwarded_lo20:55:143
57159966,0cyclictest741-21lldpd20:20:012
57159964,2cyclictest743-21snmpd23:19:182
57159964,2cyclictest743-21snmpd19:58:412
57159964,2cyclictest717-21ntpd19:40:032
57159964,2cyclictest717-21ntpd19:40:032
57159964,2cyclictest717-21ntpd19:35:242
57159964,2cyclictest717-21ntpd00:17:012
57159964,2cyclictest557-21NetworkManager21:45:132
57159964,2cyclictest25972-21cat23:55:132
57159960,6cyclictest10061-21ntpq00:35:162
57099966,0cyclictest743-21snmpd23:30:111
57099966,0cyclictest743-21snmpd21:10:591
57099966,0cyclictest743-21snmpd19:28:341
57099966,0cyclictest741-21lldpd21:47:221
57099966,0cyclictest522-21avahi-daemon22:06:071
57099965,1cyclictest743-21snmpd19:38:021
57099964,2cyclictest743-21snmpd20:48:341
57099964,2cyclictest743-21snmpd20:11:001
57099964,2cyclictest743-21snmpd19:54:081
57099964,2cyclictest743-21snmpd00:36:041
57099964,2cyclictest743-21snmpd00:07:381
57099962,4cyclictest557-21NetworkManager21:32:591
57099962,3cyclictest2528-21sed00:15:221
57099962,3cyclictest24328-21ntpq23:50:161
57019966,0cyclictest65850irq/126-lan20:25:110
57199955,0cyclictest743-21snmpd22:15:163
57199955,0cyclictest741-21lldpd20:41:273
57199955,0cyclictest741-21lldpd00:04:333
57199954,1cyclictest743-21snmpd23:00:243
57199954,1cyclictest743-21snmpd22:59:493
57199954,1cyclictest743-21snmpd22:14:463
57199953,2cyclictest743-21snmpd23:35:403
57199953,2cyclictest743-21snmpd19:35:323
57199952,3cyclictest31844-21sed21:30:203
57199951,3cyclictest21418-21grep22:25:163
57199951,3cyclictest13697-21users20:45:203
57199950,4cyclictest7375-21ntpq21:50:153
57199950,4cyclictest5367-21ntpq21:45:163
57199950,4cyclictest10089-21ntpq00:35:163
57159955,0cyclictest741-21lldpd22:32:072
57159954,1cyclictest522-21avahi-daemon23:39:092
57159954,1cyclictest0-21swapper/222:45:142
57159953,2cyclictest743-21snmpd22:50:052
57159953,2cyclictest717-21ntpd21:42:192
57159951,3cyclictest600-21diskstats22:55:142
57159951,3cyclictest12820-21grep22:05:112
57159950,4cyclictest27645-21ntpq22:40:182
57099955,0cyclictest743-21snmpd00:20:201
57099955,0cyclictest522-21avahi-daemon22:01:191
57099953,2cyclictest25867-21head23:55:121
57099953,2cyclictest1-21systemd19:34:111
57099952,2cyclictest9516-21sed20:35:201
57099952,2cyclictest29080-21tune2fs22:45:121
57099952,2cyclictest29030-21awk20:05:141
57099952,2cyclictest19507-21ntpq22:20:151
57099952,2cyclictest15154-21grep22:10:151
57099951,3cyclictest32598-21apt-get20:15:111
57099951,3cyclictest28409-21ntpq00:00:191
57099950,4cyclictest21293-21ntpq19:45:161
57199942,2cyclictest8619-21ld19:15:163
57199940,4cyclictest20270-21ntpq23:40:163
57199940,3cyclictest6493-21taskset23:10:053
57159942,2cyclictest743-21snmpd23:40:072
57159940,3cyclictest25140-21/usr/sbin/munin21:15:162
57159940,3cyclictest15056-21ntp_192.168.11420:50:172
57099944,0cyclictest0-21swapper/119:10:121
57099943,1cyclictest331ktimers/123:35:131
57099942,2cyclictest8063-21expr19:15:121
57099942,2cyclictest7710-21smartctl00:30:141
57099942,2cyclictest31682-21awk00:10:111
57099942,2cyclictest244-20systemd-journal23:26:301
57099942,2cyclictest16958-21tune2fs22:15:131
57099941,2cyclictest6688-21cpuspeed_turbos21:50:101
57099941,2cyclictest575-21rs:main1
57099941,2cyclictest18391-21sort21:00:111
57099941,2cyclictest16597-21grep20:55:141
57099940,4cyclictest9372-21ntpq21:55:161
57099940,4cyclictest5091-21ntp_states20:25:161
57099940,4cyclictest2980-21ntpq20:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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