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2026-07-21 - 22:10

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 Tue Jul 21, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28979992019,1cyclictest65850irq/126-lan11:50:140
28984991818,0cyclictest743-21snmpd11:02:041
28984991818,0cyclictest743-21snmpd09:59:131
28984991818,0cyclictest743-21snmpd09:52:491
28984991818,0cyclictest743-21snmpd08:03:331
28984991818,0cyclictest743-21snmpd07:59:421
28984991818,0cyclictest24566-21cat10:55:121
28979991818,0cyclictest65850irq/126-lan11:36:030
28979991818,0cyclictest65850irq/126-lan11:28:180
28979991817,1cyclictest65850irq/126-lan10:55:160
28979991817,1cyclictest65850irq/126-lan10:30:120
28979991817,1cyclictest65850irq/126-lan10:20:100
28979991717,0cyclictest65850irq/126-lan12:35:200
28979991717,0cyclictest65850irq/126-lan10:40:120
28979991717,0cyclictest65850irq/126-lan09:25:210
28979991717,0cyclictest65850irq/126-lan08:06:440
28979991717,0cyclictest65850irq/126-lan07:46:310
28979991717,0cyclictest65850irq/126-lan07:30:130
28979991716,1cyclictest65850irq/126-lan10:10:170
28979991716,1cyclictest65850irq/126-lan09:42:590
28979991716,1cyclictest65850irq/126-lan08:45:150
28979991716,1cyclictest65850irq/126-lan07:35:230
28979991616,0cyclictest65850irq/126-lan11:10:130
28979991616,0cyclictest65850irq/126-lan10:35:170
28979991616,0cyclictest65850irq/126-lan08:25:170
28979991615,1cyclictest65850irq/126-lan12:15:120
28979991615,1cyclictest65850irq/126-lan11:00:140
28979991615,1cyclictest65850irq/126-lan09:11:490
28979991615,1cyclictest65850irq/126-lan08:40:160
28979991615,1cyclictest65850irq/126-lan08:35:160
28979991615,1cyclictest65850irq/126-lan08:22:010
28979991615,1cyclictest65850irq/126-lan07:25:180
28984991515,0cyclictest29242-21fwupd08:29:421
28979991515,0cyclictest65850irq/126-lan11:58:170
28979991515,0cyclictest65850irq/126-lan09:50:180
28979991515,0cyclictest65850irq/126-lan09:38:180
28979991515,0cyclictest65850irq/126-lan07:55:170
28979991515,0cyclictest65850irq/126-lan07:50:170
28979991514,1cyclictest65850irq/126-lan11:20:190
28979991514,1cyclictest65850irq/126-lan10:50:210
28979991514,1cyclictest65850irq/126-lan10:15:190
28979991514,1cyclictest65850irq/126-lan08:50:150
28979991514,1cyclictest65850irq/126-lan08:30:140
28979991414,0cyclictest65850irq/126-lan09:55:010
28979991414,0cyclictest65850irq/126-lan09:20:160
28979991414,0cyclictest65850irq/126-lan09:15:200
28979991414,0cyclictest65850irq/126-lan08:15:150
28979991414,0cyclictest65850irq/126-lan08:10:120
28979991414,0cyclictest65850irq/126-lan08:00:180
28979991413,1cyclictest65850irq/126-lan12:00:170
28979991413,1cyclictest65850irq/126-lan10:00:210
28979991313,0cyclictest65850irq/126-lan12:25:190
28979991313,0cyclictest65850irq/126-lan11:15:180
28979991313,0cyclictest65850irq/126-lan09:05:200
28979991313,0cyclictest65850irq/126-lan09:00:170
28979991312,1cyclictest65850irq/126-lan11:40:140
28979991312,1cyclictest65850irq/126-lan09:45:180
28979991312,1cyclictest65850irq/126-lan07:40:140
28979991212,0cyclictest65850irq/126-lan12:10:180
28979991211,1cyclictest65850irq/126-lan12:20:200
28979991211,1cyclictest65850irq/126-lan12:05:190
28979991211,1cyclictest65850irq/126-lan10:25:210
28979991211,1cyclictest65850irq/126-lan07:20:190
28979991211,1cyclictest65850irq/126-lan07:15:170
28990991111,0cyclictest743-21snmpd09:19:423
28990991111,0cyclictest743-21snmpd08:53:533
28990991111,0cyclictest743-21snmpd07:17:563
2897999119,2cyclictest65850irq/126-lan07:10:120
28979991110,1cyclictest65850irq/126-lan12:30:200
28979991110,1cyclictest65850irq/126-lan09:30:150
28990991010,0cyclictest743-21snmpd09:48:383
28990991010,0cyclictest25851-21cat09:40:143
2897999109,1cyclictest65850irq/126-lan11:45:140
28979991010,0cyclictest65850irq/126-lan10:05:190
28979991010,0cyclictest65850irq/126-lan08:55:160
289909999,0cyclictest743-21snmpd11:16:383
289909998,1cyclictest743-21snmpd08:01:303
289909998,1cyclictest741-21lldpd12:05:493
289869998,1cyclictest743-21snmpd08:43:002
289849998,1cyclictest743-21snmpd11:42:351
289799999,0cyclictest65850irq/126-lan11:32:180
289909988,0cyclictest743-21snmpd12:00:483
289909988,0cyclictest743-21snmpd09:32:453
289909988,0cyclictest743-21snmpd07:55:513
289909988,0cyclictest741-21lldpd10:47:313
289909988,0cyclictest741-21lldpd10:03:073
289909988,0cyclictest741-21lldpd09:02:013
289909988,0cyclictest23916-21cat08:15:153
289909987,1cyclictest743-21snmpd11:32:593
289909987,1cyclictest743-21snmpd10:10:533
289909987,1cyclictest743-21snmpd09:21:273
289909986,2cyclictest743-21snmpd12:26:513
289909986,2cyclictest743-21snmpd10:25:023
289909986,2cyclictest743-21snmpd10:22:533
289909986,2cyclictest743-21snmpd09:11:273
289869988,0cyclictest743-21snmpd12:07:212
289869988,0cyclictest743-21snmpd07:33:392
289869988,0cyclictest506-21systemd-resolve11:13:202
289869987,1cyclictest743-21snmpd11:53:332
289869987,1cyclictest743-21snmpd07:46:092
289869987,1cyclictest573-21in:imuxsock08:37:272
289869987,1cyclictest522-21avahi-daemon09:39:222
289869986,2cyclictest743-21snmpd12:19:032
289869986,2cyclictest743-21snmpd10:59:062
289869986,2cyclictest743-21snmpd07:15:232
289849988,0cyclictest743-21snmpd07:40:391
289849988,0cyclictest741-21lldpd11:20:101
289849988,0cyclictest741-21lldpd10:43:481
289849987,1cyclictest743-21snmpd11:33:491
289849987,1cyclictest743-21snmpd08:21:251
289849986,2cyclictest743-21snmpd11:27:161
289849986,2cyclictest743-21snmpd07:11:351
289799987,1cyclictest743-21snmpd10:47:460
289799987,1cyclictest65850irq/126-lan11:05:140
289909977,0cyclictest743-21snmpd12:13:093
289909977,0cyclictest743-21snmpd11:52:333
289909977,0cyclictest743-21snmpd10:38:263
289909977,0cyclictest743-21snmpd10:09:103
289909977,0cyclictest743-21snmpd09:53:103
289909977,0cyclictest743-21snmpd07:28:273
289909977,0cyclictest741-21lldpd10:31:553
289909976,1cyclictest743-21snmpd12:38:563
289909976,1cyclictest743-21snmpd10:41:233
289909976,1cyclictest741-21lldpd11:56:273
289909976,1cyclictest522-21avahi-daemon07:11:263
289909975,2cyclictest743-21snmpd12:20:553
289909975,2cyclictest743-21snmpd12:17:423
289909975,2cyclictest743-21snmpd11:46:333
289909974,2cyclictest743-21snmpd08:55:123
289869977,0cyclictest743-21snmpd11:32:322
289869977,0cyclictest743-21snmpd11:27:312
289869977,0cyclictest743-21snmpd11:09:152
289869977,0cyclictest743-21snmpd10:53:332
289869977,0cyclictest743-21snmpd08:23:312
289869977,0cyclictest743-21snmpd07:51:492
289869977,0cyclictest741-21lldpd12:29:292
289869977,0cyclictest741-21lldpd11:44:052
289869977,0cyclictest741-21lldpd10:16:292
289869977,0cyclictest741-21lldpd08:46:352
289869977,0cyclictest741-21lldpd08:05:032
289869977,0cyclictest741-21lldpd07:40:482
289869976,1cyclictest743-21snmpd07:35:282
289869976,1cyclictest743-21snmpd07:26:332
289869976,1cyclictest13711-21cpuspeed_turbos10:30:132
289869976,1cyclictest1158-21gltestperf07:20:152
289869975,2cyclictest743-21snmpd12:33:122
289869975,2cyclictest743-21snmpd10:26:562
289869975,2cyclictest743-21snmpd09:50:582
289869975,2cyclictest16079-21cat10:35:132
289849977,0cyclictest743-21snmpd11:48:381
289849977,0cyclictest743-21snmpd09:15:181
289849977,0cyclictest743-21snmpd08:53:591
289849977,0cyclictest741-21lldpd12:13:011
289849977,0cyclictest741-21lldpd08:47:371
289849977,0cyclictest741-21lldpd08:16:441
289849977,0cyclictest741-21lldpd07:48:581
289849977,0cyclictest741-21lldpd07:34:001
289849976,1cyclictest743-21snmpd08:58:121
289849976,1cyclictest743-21snmpd07:23:451
289849976,1cyclictest573-21in:imuxsock09:02:461
289849976,1cyclictest522-21avahi-daemon08:30:031
289849976,1cyclictest18689-21fschecks_time12:00:131
289849975,2cyclictest743-21snmpd10:51:571
289849975,2cyclictest743-21snmpd09:33:161
289849975,2cyclictest743-21snmpd09:25:421
289849975,2cyclictest331ktimers/109:10:171
289909966,0cyclictest743-21snmpd07:22:173
289909966,0cyclictest741-21lldpd08:12:463
289909966,0cyclictest19809-21cat09:25:153
289909965,1cyclictest743-21snmpd08:47:233
289909965,1cyclictest743-21snmpd08:32:223
289909965,1cyclictest743-21snmpd08:07:113
289909965,1cyclictest743-21snmpd07:52:373
289909965,1cyclictest7221-21cpuspeed_turbos10:15:133
289909964,2cyclictest743-21snmpd09:35:123
289909962,3cyclictest25480-21sed10:55:193
289909962,3cyclictest22680-21memory10:50:143
289869966,0cyclictest741-21lldpd12:00:052
289869966,0cyclictest741-21lldpd11:24:102
289869966,0cyclictest741-21lldpd09:29:462
289869966,0cyclictest573-21in:imuxsock08:26:492
289869966,0cyclictest522-21avahi-daemon08:52:442
289869965,1cyclictest743-21snmpd11:38:472
289869965,1cyclictest743-21snmpd08:04:372
289869965,1cyclictest522-21avahi-daemon09:49:002
289869965,1cyclictest522-21avahi-daemon08:19:412
289869964,2cyclictest743-21snmpd09:55:012
289869964,2cyclictest743-21snmpd09:41:032
289869964,2cyclictest743-21snmpd07:59:092
289869963,3cyclictest557-21NetworkManager10:22:092
289849966,0cyclictest743-21snmpd11:35:501
289849966,0cyclictest743-21snmpd11:06:011
289849966,0cyclictest743-21snmpd10:31:391
289849966,0cyclictest743-21snmpd09:44:271
289849966,0cyclictest741-21lldpd10:29:361
289849966,0cyclictest741-21lldpd10:22:381
289849966,0cyclictest741-21lldpd10:06:081
289849966,0cyclictest741-21lldpd07:38:391
289849966,0cyclictest573-21in:imuxsock10:11:211
289849966,0cyclictest506-21systemd-resolve10:17:581
289849965,1cyclictest960-21gltestperf12:35:141
289849965,1cyclictest506-21systemd-resolve11:53:191
289849965,1cyclictest2906-21cpuspeed_turbos07:25:141
289849965,1cyclictest24689-21unixbench_multi09:35:191
289849964,2cyclictest743-21snmpd12:32:091
289849964,2cyclictest0-21swapper/108:15:001
289849963,3cyclictest557-21NetworkManager12:05:161
289849962,3cyclictest24725-21perl12:15:131
289909955,0cyclictest741-21lldpd08:35:123
289909954,1cyclictest743-21snmpd11:23:583
289909953,2cyclictest743-21snmpd11:04:463
289909953,2cyclictest717-21ntpd09:06:203
289909953,2cyclictest717-21ntpd07:40:283
289909953,2cyclictest6606-21basename07:35:003
289909953,2cyclictest575-21rs:main3
289909952,3cyclictest557-21NetworkManager11:36:373
289909952,2cyclictest575-21rs:main3
289909952,2cyclictest29929-21cron11:10:003
289909952,2cyclictest27533-21grep08:25:133
289909952,2cyclictest244-20systemd-journal11:40:423
289909950,4cyclictest11767-21ntpq07:45:183
289869955,0cyclictest743-21snmpd12:11:182
289869955,0cyclictest741-21lldpd10:10:542
289869955,0cyclictest522-21avahi-daemon12:23:242
289869955,0cyclictest522-21avahi-daemon11:58:042
289869955,0cyclictest522-21avahi-daemon07:12:162
289869954,1cyclictest472-21ntpq11:15:182
289869954,1cyclictest21649-21needreboot08:10:152
289869954,1cyclictest11995-21ntpq09:05:152
289869953,2cyclictest743-21snmpd08:32:522
289869952,2cyclictest4911-21cat10:09:592
289869952,2cyclictest244-20systemd-journal08:59:032
289869952,2cyclictest21545-21entropy09:30:142
289869952,2cyclictest17891-21cat09:20:152
289869951,3cyclictest1409-21fw_forwarded_lo10:00:152
289849955,0cyclictest522-21avahi-daemon07:19:341
289849954,1cyclictest743-21snmpd07:50:131
289849954,1cyclictest522-21avahi-daemon08:40:131
289849954,1cyclictest27510-21cpuspeed_turbos09:45:131
289849953,2cyclictest743-21snmpd12:26:251
289849953,2cyclictest717-21ntpd12:21:491
289849952,2cyclictest18561-21ls09:20:211
289849952,2cyclictest16952-21sed10:35:201
289849951,3cyclictest20453-21expr10:45:121
289849951,3cyclictest20167-21grep08:05:231
289909944,0cyclictest3985-21cpuspeed_turbos11:25:133
289909943,1cyclictest717-21ntpd12:30:443
289909941,2cyclictest575-21rs:main3
289909940,4cyclictest32277-21ntpq09:55:193
289909940,3cyclictest25799-21/usr/sbin/munin08:20:163
289869942,2cyclictest557-21NetworkManager11:48:002
289869942,2cyclictest16962-21seq09:18:532
289869941,3cyclictest9582-21grep09:00:142
289869941,3cyclictest26570-21ls11:00:152
289869941,2cyclictest18067-21dpkg10:40:002
289869941,2cyclictest13852-21cat09:10:162
289869940,3cyclictest20670-21memory10:45:142
289869940,3cyclictest1301-21ntpq12:35:162
289849943,1cyclictest0-21swapper/110:00:151
289849942,2cyclictest31999-21cat08:35:151
289849942,2cyclictest12056-21ld09:05:151
289849941,2cyclictest414-21strings11:15:171
289849941,2cyclictest30636-21cat11:10:141
289849940,3cyclictest16549-21df11:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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