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2026-08-10 - 21:21

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 Aug 10, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29600991918,1cyclictest65850irq/126-lan11:43:350
29600991918,1cyclictest65850irq/126-lan11:25:110
29600991818,0cyclictest65850irq/126-lan11:56:170
29600991817,1cyclictest65850irq/126-lan11:10:170
29600991817,1cyclictest65850irq/126-lan11:05:210
29600991817,1cyclictest65850irq/126-lan10:05:120
29600991817,1cyclictest65850irq/126-lan09:10:160
29600991817,1cyclictest65850irq/126-lan07:45:180
29600991717,0cyclictest65850irq/126-lan10:25:180
29600991717,0cyclictest65850irq/126-lan10:21:020
29600991717,0cyclictest65850irq/126-lan10:10:130
29600991717,0cyclictest65850irq/126-lan07:55:100
29600991716,1cyclictest65850irq/126-lan11:45:130
29600991716,1cyclictest65850irq/126-lan11:00:130
29600991716,1cyclictest65850irq/126-lan10:50:120
29600991716,1cyclictest65850irq/126-lan08:43:350
29600991716,1cyclictest65850irq/126-lan08:10:210
29600991716,1cyclictest65850irq/126-lan07:31:460
29600991616,0cyclictest65850irq/126-lan12:30:190
29600991616,0cyclictest65850irq/126-lan11:30:120
29600991616,0cyclictest65850irq/126-lan08:30:180
29600991615,1cyclictest65850irq/126-lan12:10:150
29600991615,1cyclictest65850irq/126-lan12:05:190
29600991615,1cyclictest65850irq/126-lan10:30:170
29600991615,1cyclictest65850irq/126-lan10:15:190
29600991615,1cyclictest65850irq/126-lan09:55:150
29600991615,1cyclictest65850irq/126-lan08:35:130
29600991615,1cyclictest65850irq/126-lan08:25:170
29600991615,1cyclictest65850irq/126-lan08:21:500
29600991615,1cyclictest65850irq/126-lan08:15:120
29600991615,1cyclictest65850irq/126-lan07:50:160
29600991615,1cyclictest65850irq/126-lan07:40:140
29600991615,1cyclictest65850irq/126-lan07:35:190
29600991515,0cyclictest65850irq/126-lan10:45:350
29600991515,0cyclictest65850irq/126-lan10:00:170
29600991515,0cyclictest65850irq/126-lan08:57:360
29600991515,0cyclictest65850irq/126-lan07:11:380
29600991514,1cyclictest65850irq/126-lan11:50:140
29600991514,1cyclictest65850irq/126-lan09:40:170
29600991514,1cyclictest65850irq/126-lan09:35:120
29600991514,1cyclictest65850irq/126-lan09:25:200
29600991414,0cyclictest65850irq/126-lan11:36:400
29600991414,0cyclictest65850irq/126-lan10:55:120
29600991414,0cyclictest65850irq/126-lan08:49:550
29600991414,0cyclictest65850irq/126-lan08:05:200
29600991413,1cyclictest65850irq/126-lan09:20:170
29600991413,1cyclictest65850irq/126-lan09:05:200
29600991413,1cyclictest65850irq/126-lan08:00:120
29600991413,1cyclictest65850irq/126-lan07:19:590
29600991313,0cyclictest65850irq/126-lan12:00:190
29600991313,0cyclictest65850irq/126-lan10:35:090
29600991312,1cyclictest65850irq/126-lan12:25:150
29600991312,1cyclictest65850irq/126-lan09:54:520
29600991312,1cyclictest65850irq/126-lan09:15:200
29600991312,1cyclictest65850irq/126-lan07:20:140
29600991212,0cyclictest65850irq/126-lan11:20:140
29600991212,0cyclictest65850irq/126-lan10:40:210
29600991211,1cyclictest65850irq/126-lan12:35:150
29600991211,1cyclictest65850irq/126-lan09:45:180
29600991110,1cyclictest65850irq/126-lan12:20:120
29600991110,1cyclictest65850irq/126-lan07:28:500
2960099109,1cyclictest65850irq/126-lan09:00:150
2960099109,1cyclictest65850irq/126-lan08:50:130
296169998,1cyclictest743-21snmpd11:27:493
296169998,1cyclictest743-21snmpd11:22:453
296169998,1cyclictest743-21snmpd10:19:193
296169998,1cyclictest743-21snmpd08:14:123
296169998,1cyclictest741-21lldpd11:19:223
296169998,1cyclictest741-21lldpd09:03:453
296129998,1cyclictest743-21snmpd07:55:232
296129998,1cyclictest741-21lldpd10:49:592
296129996,3cyclictest32080-21cat12:30:162
296079998,1cyclictest743-21snmpd10:57:121
296079998,1cyclictest743-21snmpd10:28:051
296079998,1cyclictest743-21snmpd08:59:021
296009998,1cyclictest65850irq/126-lan12:15:180
296169988,0cyclictest743-21snmpd11:55:293
296169988,0cyclictest743-21snmpd11:52:073
296169988,0cyclictest743-21snmpd11:14:433
296169988,0cyclictest741-21lldpd09:32:553
296169988,0cyclictest741-21lldpd08:42:183
296169988,0cyclictest741-21lldpd07:55:283
296169987,1cyclictest743-21snmpd12:21:333
296169987,1cyclictest743-21snmpd08:53:593
296169987,1cyclictest743-21snmpd08:17:043
296169987,1cyclictest743-21snmpd07:12:343
296169987,1cyclictest24208-21needreboot12:10:163
296169986,2cyclictest743-21snmpd11:32:373
296169986,2cyclictest743-21snmpd11:08:543
296169986,2cyclictest743-21snmpd10:02:063
296169986,2cyclictest743-21snmpd09:46:393
296169986,2cyclictest743-21snmpd08:47:563
296169986,2cyclictest743-21snmpd08:01:483
296169986,2cyclictest743-21snmpd07:25:553
296169986,2cyclictest743-21snmpd07:22:343
296169986,2cyclictest5827-21grep07:30:133
296169986,2cyclictest30207-21cat08:30:153
296129988,0cyclictest743-21snmpd11:14:132
296129988,0cyclictest743-21snmpd10:30:112
296129988,0cyclictest741-21lldpd11:41:282
296129988,0cyclictest741-21lldpd10:14:472
296129988,0cyclictest741-21lldpd10:03:442
296129987,1cyclictest743-21snmpd12:38:092
296129986,2cyclictest743-21snmpd10:36:032
296129986,2cyclictest743-21snmpd08:11:182
296129986,2cyclictest743-21snmpd07:19:322
296079988,0cyclictest743-21snmpd12:30:031
296079988,0cyclictest741-21lldpd11:46:101
296079988,0cyclictest741-21lldpd11:02:031
296079988,0cyclictest741-21lldpd10:33:331
296079988,0cyclictest741-21lldpd10:16:351
296079988,0cyclictest741-21lldpd08:07:351
296079988,0cyclictest741-21lldpd07:48:551
296079988,0cyclictest741-21lldpd07:43:361
296079987,1cyclictest743-21snmpd07:30:351
296079987,1cyclictest741-21lldpd08:26:411
296079986,2cyclictest743-21snmpd12:18:031
296079986,2cyclictest743-21snmpd10:23:371
296009988,0cyclictest65850irq/126-lan09:30:140
296169977,0cyclictest743-21snmpd08:55:403
296169977,0cyclictest741-21lldpd11:00:173
296169977,0cyclictest741-21lldpd07:41:273
296169976,1cyclictest12779-21latency_hist11:45:003
296169975,2cyclictest743-21snmpd12:06:443
296169975,2cyclictest743-21snmpd10:53:573
296169975,2cyclictest743-21snmpd09:50:133
296169975,2cyclictest743-21snmpd09:22:003
296169975,2cyclictest743-21snmpd09:14:423
296169975,2cyclictest743-21snmpd08:06:073
296169975,2cyclictest743-21snmpd07:51:453
296169975,2cyclictest16403-21cat09:15:153
296129977,0cyclictest743-21snmpd12:27:592
296129977,0cyclictest743-21snmpd11:06:542
296129977,0cyclictest743-21snmpd10:26:022
296129977,0cyclictest741-21lldpd12:21:282
296129977,0cyclictest741-21lldpd12:15:312
296129977,0cyclictest741-21lldpd08:37:352
296129976,1cyclictest743-21snmpd11:51:082
296129976,1cyclictest522-21avahi-daemon09:18:362
296129976,1cyclictest522-21avahi-daemon07:21:572
296129976,1cyclictest18527-21fschecks_count10:40:132
296129975,2cyclictest743-21snmpd11:35:062
296129975,2cyclictest743-21snmpd11:03:332
296129975,2cyclictest743-21snmpd09:26:092
296129975,2cyclictest743-21snmpd09:06:002
296129975,2cyclictest743-21snmpd07:33:082
296079977,0cyclictest743-21snmpd09:49:271
296079977,0cyclictest743-21snmpd09:23:421
296079977,0cyclictest743-21snmpd08:11:481
296079977,0cyclictest741-21lldpd12:02:141
296079977,0cyclictest741-21lldpd11:26:481
296079977,0cyclictest741-21lldpd11:17:061
296079977,0cyclictest741-21lldpd10:07:001
296079977,0cyclictest741-21lldpd08:23:231
296079977,0cyclictest741-21lldpd07:36:381
296079977,0cyclictest741-21lldpd07:25:451
296079976,1cyclictest743-21snmpd11:56:221
296079976,1cyclictest743-21snmpd07:58:291
296079975,2cyclictest743-21snmpd10:47:511
296079975,2cyclictest743-21snmpd09:00:191
296079975,2cyclictest743-21snmpd08:31:361
296079975,2cyclictest743-21snmpd08:03:091
296009977,0cyclictest741-21lldpd11:19:400
296169966,0cyclictest743-21snmpd12:01:293
296169966,0cyclictest741-21lldpd11:49:063
296169966,0cyclictest741-21lldpd10:43:533
296169966,0cyclictest741-21lldpd07:39:143
296169965,1cyclictest743-21snmpd11:38:223
296169965,1cyclictest743-21snmpd10:09:383
296169965,1cyclictest743-21snmpd09:09:093
296169965,1cyclictest743-21snmpd08:26:573
296169964,2cyclictest743-21snmpd12:37:183
296169964,2cyclictest743-21snmpd10:27:263
296169964,2cyclictest743-21snmpd10:20:053
296169964,2cyclictest743-21snmpd09:35:433
296169962,3cyclictest244-20systemd-journal07:15:053
296169961,5cyclictest557-21NetworkManager08:36:523
296129966,0cyclictest741-21lldpd09:10:162
296129966,0cyclictest741-21lldpd08:53:032
296129966,0cyclictest522-21avahi-daemon09:35:132
296129965,1cyclictest522-21avahi-daemon10:57:402
296129965,1cyclictest522-21avahi-daemon08:56:412
296129965,1cyclictest522-21avahi-daemon07:43:352
296129965,1cyclictest522-21avahi-daemon07:28:102
296129964,2cyclictest743-21snmpd08:21:282
296129964,2cyclictest743-21snmpd07:50:542
296129964,2cyclictest4637-21cat10:05:142
296129963,3cyclictest557-21NetworkManager11:55:152
296129962,3cyclictest244-20systemd-journal07:35:092
296129961,5cyclictest557-21NetworkManager10:20:022
296079966,0cyclictest743-21snmpd12:26:531
296079966,0cyclictest743-21snmpd08:37:441
296079966,0cyclictest741-21lldpd11:35:041
296079966,0cyclictest741-21lldpd10:02:251
296079966,0cyclictest522-21avahi-daemon09:17:521
296079966,0cyclictest23621-21cpuspeed_turbos12:10:121
296079965,1cyclictest743-21snmpd11:11:341
296079965,1cyclictest743-21snmpd08:53:141
296079965,1cyclictest743-21snmpd07:10:221
296079964,2cyclictest743-21snmpd10:45:001
296079963,2cyclictest11870-21ntpq11:40:181
296079962,3cyclictest23303-21awk10:50:181
296079962,3cyclictest23290-21pluginstate12:10:001
296169955,0cyclictest743-21snmpd12:15:153
296169955,0cyclictest743-21snmpd09:40:403
296169955,0cyclictest743-21snmpd08:20:103
296169955,0cyclictest741-21lldpd10:45:153
296169953,2cyclictest743-21snmpd07:49:333
296169953,2cyclictest533-21cat09:55:163
296169952,3cyclictest557-21NetworkManager09:25:153
296169951,3cyclictest17055-21ntpq10:35:163
296169950,4cyclictest6386-21df_inode10:10:133
296129955,0cyclictest743-21snmpd09:41:282
296129955,0cyclictest741-21lldpd09:54:182
296129955,0cyclictest522-21avahi-daemon12:10:402
296129955,0cyclictest522-21avahi-daemon07:47:002
296129955,0cyclictest506-21systemd-resolve08:45:012
296129955,0cyclictest244-20systemd-journal08:31:412
296129954,1cyclictest743-21snmpd08:27:302
296129954,1cyclictest19955-21cat12:00:162
296129953,2cyclictest717-21ntpd11:25:122
296129953,2cyclictest557-21NetworkManager08:00:162
296129952,3cyclictest743-21snmpd09:46:182
296129952,2cyclictest8678-21cat10:15:132
296129952,2cyclictest8358-21sshd11:30:282
296129952,2cyclictest3765-21ld11:20:192
296129952,2cyclictest24500-21ntpq08:15:172
296129952,2cyclictest21714-21forks12:05:132
296129952,2cyclictest10585-21needreboot09:00:152
296079955,0cyclictest30734-21apt-key11:09:591
296079954,1cyclictest0-21swapper/109:10:181
296079953,2cyclictest743-21snmpd09:51:551
296079953,2cyclictest743-21snmpd09:39:341
296079953,2cyclictest244-20systemd-journal07:50:021
296079953,2cyclictest1704-21cat12:35:141
296079952,2cyclictest5064-21seq08:48:311
296079952,2cyclictest28485-21awk12:20:191
296079952,2cyclictest244-20systemd-journal07:15:511
296079951,3cyclictest22880-21ld09:30:171
296169941,2cyclictest30333-21ntpq12:25:173
296169941,2cyclictest14857-21cut10:30:163
296169940,3cyclictest24933-21memory10:55:143
296129942,2cyclictest32668-21expr09:55:132
296129941,2cyclictest29941-21tr07:10:102
296129941,2cyclictest2172-21ntpq08:40:172
296129941,2cyclictest13235-21awk11:45:012
296129940,4cyclictest18849-21ntpq09:20:172
296129940,3cyclictest22827-21ntpq09:30:172
296129940,3cyclictest20716-21grep08:05:222
296079943,1cyclictest421-21kworker/1:1+events11:20:091
296079943,1cyclictest421-21kworker/1:1+events09:55:011
296079943,1cyclictest421-21kworker/1:1+events09:07:131
296079943,1cyclictest421-21kworker/1:1+events07:20:331
296079943,1cyclictest0-21swapper/110:10:501
296079941,3cyclictest717-21ntpd08:40:121
296079941,2cyclictest26820-21ld09:40:151
296079941,2cyclictest20683-21grep09:25:151
296079941,2cyclictest16320-21grep10:35:111
296079940,4cyclictest7725-21ntpq11:30:171
296079940,4cyclictest15665-21uniq11:50:131
296129930,3cyclictest22531-21df_inode10:50:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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