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2026-04-15 - 19:54

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 the 376 highest latencies:
System rack8slot6s.osadl.org (updated Wed Apr 15, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22145991919,0cyclictest65850irq/126-lan08:00:121
22145991918,1cyclictest65850irq/126-lan11:50:121
22145991818,0cyclictest65850irq/126-lan10:05:121
22145991818,0cyclictest65850irq/126-lan09:45:171
22145991818,0cyclictest65850irq/126-lan07:55:241
22145991818,0cyclictest65850irq/126-lan07:55:231
22145991818,0cyclictest65850irq/126-lan07:51:281
22145991817,1cyclictest65850irq/126-lan09:55:211
22145991817,1cyclictest65850irq/126-lan07:30:121
22145991717,0cyclictest65850irq/126-lan11:40:211
22145991717,0cyclictest65850irq/126-lan10:52:541
22145991717,0cyclictest65850irq/126-lan09:00:201
22145991717,0cyclictest65850irq/126-lan08:50:111
22145991716,1cyclictest65850irq/126-lan11:45:181
22145991716,1cyclictest65850irq/126-lan11:30:201
22145991716,1cyclictest65850irq/126-lan10:35:121
22145991716,1cyclictest65850irq/126-lan10:10:121
22145991716,1cyclictest65850irq/126-lan07:20:211
22145991616,0cyclictest65850irq/126-lan12:20:131
22145991616,0cyclictest65850irq/126-lan11:55:131
22145991615,1cyclictest65850irq/126-lan12:05:121
22145991615,1cyclictest65850irq/126-lan11:20:121
22145991615,1cyclictest65850irq/126-lan10:45:141
22145991615,1cyclictest65850irq/126-lan10:00:171
22145991615,1cyclictest65850irq/126-lan09:50:141
22145991615,1cyclictest65850irq/126-lan08:55:201
22145991615,1cyclictest65850irq/126-lan08:40:171
22145991515,0cyclictest65850irq/126-lan11:35:111
22145991515,0cyclictest65850irq/126-lan11:00:501
22145991515,0cyclictest65850irq/126-lan09:23:581
22145991515,0cyclictest65850irq/126-lan08:30:211
22145991515,0cyclictest65850irq/126-lan08:15:171
22145991515,0cyclictest65850irq/126-lan08:06:101
22145991515,0cyclictest65850irq/126-lan07:27:311
22145991514,1cyclictest65850irq/126-lan12:25:201
22145991514,1cyclictest65850irq/126-lan11:10:121
22145991514,1cyclictest65850irq/126-lan09:40:141
22145991514,1cyclictest65850irq/126-lan09:10:191
22145991514,1cyclictest65850irq/126-lan07:40:151
22145991414,0cyclictest65850irq/126-lan12:34:111
22145991414,0cyclictest65850irq/126-lan12:10:141
22145991414,0cyclictest65850irq/126-lan09:30:101
22145991414,0cyclictest65850irq/126-lan07:15:181
22145991413,1cyclictest65850irq/126-lan11:05:121
22145991413,1cyclictest65850irq/126-lan10:40:121
22145991413,1cyclictest65850irq/126-lan09:15:121
22145991413,1cyclictest65850irq/126-lan09:05:191
22145991413,1cyclictest65850irq/126-lan08:10:141
22145991413,1cyclictest65850irq/126-lan07:45:171
22145991313,0cyclictest65850irq/126-lan11:25:181
22145991312,1cyclictest65850irq/126-lan11:15:191
22145991312,1cyclictest65850irq/126-lan08:45:101
22145991312,1cyclictest65850irq/126-lan08:35:121
22145991312,1cyclictest65850irq/126-lan08:25:151
22145991212,0cyclictest65850irq/126-lan12:15:141
22145991212,0cyclictest65850irq/126-lan12:02:111
22145991212,0cyclictest65850irq/126-lan07:36:121
22145991212,0cyclictest65850irq/126-lan07:10:201
22145991211,1cyclictest65850irq/126-lan10:55:191
22145991211,1cyclictest65850irq/126-lan08:20:161
22145991111,0cyclictest65850irq/126-lan10:20:171
2214599109,1cyclictest65850irq/126-lan12:35:161
2214599109,1cyclictest65850irq/126-lan10:30:171
2214599109,1cyclictest65850irq/126-lan09:40:001
2214599109,1cyclictest65850irq/126-lan09:25:111
22145991010,0cyclictest65850irq/126-lan10:25:131
221539998,1cyclictest743-21snmpd09:29:473
221539998,1cyclictest743-21snmpd08:45:373
221499998,1cyclictest743-21snmpd11:36:182
221499998,1cyclictest743-21snmpd11:25:132
221499998,1cyclictest743-21snmpd09:44:312
221499998,1cyclictest743-21snmpd08:07:012
221499998,1cyclictest741-21lldpd07:14:282
221499996,3cyclictest743-21snmpd11:33:132
221459999,0cyclictest65850irq/126-lan10:15:111
221409998,1cyclictest743-21snmpd12:00:140
221409998,1cyclictest743-21snmpd10:30:140
221539988,0cyclictest743-21snmpd11:58:083
221539988,0cyclictest743-21snmpd10:14:533
221539988,0cyclictest743-21snmpd09:22:243
221539988,0cyclictest741-21lldpd10:19:193
221539988,0cyclictest741-21lldpd09:11:563
221539988,0cyclictest741-21lldpd09:01:163
221539988,0cyclictest741-21lldpd08:12:333
221539987,1cyclictest743-21snmpd12:32:123
221539987,1cyclictest743-21snmpd08:07:163
221539987,1cyclictest741-21lldpd10:28:583
221539987,1cyclictest5704-21gltestperf09:05:143
221539987,1cyclictest522-21avahi-daemon10:56:173
221539986,2cyclictest743-21snmpd07:48:563
221499988,0cyclictest743-21snmpd09:18:502
221499988,0cyclictest743-21snmpd08:54:022
221499988,0cyclictest743-21snmpd07:40:112
221499988,0cyclictest741-21lldpd12:29:492
221499988,0cyclictest741-21lldpd11:16:312
221499988,0cyclictest741-21lldpd10:58:342
221499988,0cyclictest741-21lldpd10:28:062
221499988,0cyclictest741-21lldpd09:06:012
221499987,1cyclictest743-21snmpd10:50:202
221499987,1cyclictest743-21snmpd10:02:272
221499987,1cyclictest743-21snmpd08:24:102
221499986,2cyclictest743-21snmpd10:06:522
221499986,2cyclictest743-21snmpd08:40:342
221499986,2cyclictest743-21snmpd08:01:392
221499986,2cyclictest717-21ntpd12:35:282
221499986,2cyclictest717-21ntpd12:01:172
221499986,2cyclictest717-21ntpd11:05:362
221499986,2cyclictest717-21ntpd10:40:442
221499986,2cyclictest717-21ntpd10:35:092
221499986,2cyclictest717-21ntpd10:30:412
221499986,2cyclictest717-21ntpd10:17:492
221499986,2cyclictest717-21ntpd09:58:262
221499986,2cyclictest717-21ntpd09:50:492
221499986,2cyclictest717-21ntpd08:56:482
221499986,2cyclictest717-21ntpd08:37:282
221499986,2cyclictest717-21ntpd08:15:062
221499986,2cyclictest717-21ntpd08:10:412
221409988,0cyclictest741-21lldpd09:18:320
221409987,1cyclictest743-21snmpd10:48:300
221409987,1cyclictest743-21snmpd09:24:200
221409987,1cyclictest741-21lldpd11:32:250
221409986,2cyclictest743-21snmpd12:38:040
221409986,2cyclictest743-21snmpd11:43:060
221409986,2cyclictest743-21snmpd08:54:170
221409986,2cyclictest743-21snmpd08:46:340
221409986,2cyclictest743-21snmpd07:30:290
221539977,0cyclictest743-21snmpd11:15:363
221539977,0cyclictest743-21snmpd09:56:133
221539977,0cyclictest741-21lldpd11:31:333
221539977,0cyclictest741-21lldpd11:28:133
221539977,0cyclictest741-21lldpd11:01:493
221539977,0cyclictest741-21lldpd10:41:423
221539977,0cyclictest741-21lldpd10:21:403
221539977,0cyclictest741-21lldpd10:03:583
221539977,0cyclictest741-21lldpd08:01:263
221539977,0cyclictest741-21lldpd07:56:233
221539977,0cyclictest741-21lldpd07:56:233
221539976,1cyclictest743-21snmpd12:27:093
221539976,1cyclictest743-21snmpd11:51:153
221539976,1cyclictest741-21lldpd09:36:473
221539976,1cyclictest20726-21cpuspeed_turbos12:15:123
221539975,2cyclictest743-21snmpd12:35:383
221539975,2cyclictest743-21snmpd10:36:053
221539975,2cyclictest743-21snmpd07:28:593
221539975,2cyclictest743-21snmpd07:21:363
221539975,2cyclictest743-21snmpd07:16:163
221499977,0cyclictest506-21systemd-resolve11:44:542
221499976,1cyclictest743-21snmpd12:31:572
221499976,1cyclictest743-21snmpd11:10:092
221499976,1cyclictest743-21snmpd10:46:192
221499976,1cyclictest743-21snmpd09:33:172
221499976,1cyclictest522-21avahi-daemon11:00:012
221499976,1cyclictest522-21avahi-daemon07:25:012
221499975,2cyclictest743-21snmpd12:11:142
221499975,2cyclictest743-21snmpd11:23:572
221499975,2cyclictest743-21snmpd09:49:302
221499975,2cyclictest743-21snmpd07:50:482
221499975,2cyclictest717-21ntpd10:20:052
221499973,3cyclictest9789-21fw_forwarded_lo07:55:152
221499973,3cyclictest9789-21fw_forwarded_lo07:55:142
221409977,0cyclictest743-21snmpd12:24:450
221409977,0cyclictest743-21snmpd12:05:140
221409977,0cyclictest743-21snmpd11:15:270
221409977,0cyclictest743-21snmpd09:07:270
221409977,0cyclictest743-21snmpd08:42:230
221409977,0cyclictest743-21snmpd08:26:430
221409977,0cyclictest743-21snmpd07:18:440
221409977,0cyclictest741-21lldpd10:57:560
221409977,0cyclictest741-21lldpd10:08:450
221409977,0cyclictest741-21lldpd09:42:130
221409976,1cyclictest743-21snmpd09:31:200
221409976,1cyclictest743-21snmpd08:00:060
221409976,1cyclictest741-21lldpd12:29:150
221409976,1cyclictest506-21systemd-resolve08:32:420
221409975,2cyclictest743-21snmpd11:59:070
221409975,2cyclictest743-21snmpd11:04:450
221409975,2cyclictest18974-21grep12:10:110
221539966,0cyclictest741-21lldpd11:48:493
221539966,0cyclictest741-21lldpd08:40:433
221539966,0cyclictest741-21lldpd08:15:503
221539966,0cyclictest522-21avahi-daemon09:19:273
221539966,0cyclictest522-21avahi-daemon07:38:203
221539965,1cyclictest743-21snmpd11:10:543
221539964,2cyclictest743-21snmpd08:34:043
221539962,3cyclictest23574-21sed07:10:203
221499966,0cyclictest743-21snmpd09:27:032
221499966,0cyclictest741-21lldpd08:30:492
221499965,1cyclictest741-21lldpd09:11:122
221499965,1cyclictest26849-21/usr/sbin/munin07:20:172
221499964,2cyclictest743-21snmpd09:36:242
221499964,2cyclictest743-21snmpd09:00:042
221499963,3cyclictest557-21NetworkManager07:15:172
221409966,0cyclictest743-21snmpd08:58:230
221409966,0cyclictest743-21snmpd08:08:070
221409966,0cyclictest743-21snmpd07:48:050
221409966,0cyclictest741-21lldpd10:26:000
221409966,0cyclictest741-21lldpd10:02:500
221409966,0cyclictest741-21lldpd08:13:550
221409965,1cyclictest743-21snmpd12:18:480
221409965,1cyclictest743-21snmpd11:10:380
221409965,1cyclictest743-21snmpd09:00:430
221409965,1cyclictest743-21snmpd08:15:120
221409965,1cyclictest743-21snmpd07:22:500
221409965,1cyclictest743-21snmpd07:11:230
221409965,1cyclictest23901-21gltestperf11:05:130
221409965,1cyclictest22297-21gltestperf09:45:120
221409965,1cyclictest19895-21gltestperf08:20:140
221409964,2cyclictest743-21snmpd08:37:020
221409964,2cyclictest743-21snmpd07:40:480
221409963,2cyclictest717-21ntpd10:50:160
221409962,3cyclictest244-20systemd-journal11:39:460
221539955,0cyclictest741-21lldpd08:25:003
221539955,0cyclictest522-21avahi-daemon11:08:103
221539955,0cyclictest522-21avahi-daemon07:41:373
221539955,0cyclictest522-21avahi-daemon07:33:573
221539954,1cyclictest522-21avahi-daemon09:50:243
221539954,1cyclictest14929-21ntpq12:00:163
221539953,2cyclictest22102-21sshd09:45:113
221539952,3cyclictest7017-21sed11:40:223
221539952,2cyclictest7258-21cut07:50:133
221539952,2cyclictest31136-21wc11:20:193
221539952,2cyclictest244-20systemd-journal08:25:583
221539952,2cyclictest20465-21sed09:40:133
221539952,2cyclictest17438-21grep12:05:163
221539950,4cyclictest16185-21ntpq10:45:173
221499955,0cyclictest741-21lldpd11:46:212
221499954,1cyclictest5376-21ntpq07:45:172
221499954,1cyclictest12538-21ntpq11:55:162
221499953,2cyclictest743-21snmpd07:39:392
221499953,2cyclictest17410-21ntpq12:05:172
221499952,3cyclictest557-21NetworkManager10:10:372
221499952,2cyclictest29939-21cut08:45:122
221499951,3cyclictest244-20systemd-journal09:23:422
221499951,3cyclictest22079-21seq12:16:102
221409955,0cyclictest522-21avahi-daemon11:25:490
221409954,1cyclictest573-21in:imuxsock07:52:440
221409954,1cyclictest522-21avahi-daemon09:10:180
221409954,1cyclictest14108-21cut09:25:150
221409953,2cyclictest743-21snmpd10:13:590
221409953,2cyclictest743-21snmpd07:27:540
221409953,2cyclictest0-21swapper/012:30:150
221409952,2cyclictest244-20systemd-journal10:20:460
221409952,2cyclictest13569-21sed10:40:150
221409952,2cyclictest12791-21wc10:40:000
221409951,4cyclictest10766-21sensors_temp11:50:200
221409951,3cyclictest9783-21perl07:55:150
221409951,3cyclictest9783-21perl07:55:140
221409950,4cyclictest30407-21/usr/sbin/munin11:20:120
221409950,4cyclictest18206-21ntpq09:35:150
221409950,2cyclictest9469-21awk11:50:010
221539943,1cyclictest25636-21apt08:35:113
221539942,2cyclictest9329-21cut10:30:133
221539942,2cyclictest743-21snmpd10:05:013
221539942,2cyclictest743-21snmpd09:30:083
221539942,2cyclictest3845-21forks11:35:123
221539941,2cyclictest31876-21fschecks_count08:50:123
221539941,2cyclictest18836-21tune2fs12:10:113
221539940,4cyclictest1878-21memory08:55:153
221539940,4cyclictest18220-21ntpq10:50:153
221539940,3cyclictest22990-21fw_conntrack12:20:123
221499942,2cyclictest22334-21ld08:25:162
221499941,2cyclictest31638-21collect207:30:142
221499941,2cyclictest23157-21uname12:20:142
221499940,4cyclictest10490-21ntpq11:50:152
221409942,2cyclictest24382-21cat09:50:130
221409941,2cyclictest2650-21sh10:15:110
221409940,3cyclictest445-21dpkg07:35:100
221409940,3cyclictest27226-21ntpq09:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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