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2026-07-31 - 22:23

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 Fri Jul 31, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32409991818,0cyclictest65850irq/126-lan10:42:310
32409991818,0cyclictest65850irq/126-lan10:10:120
32409991818,0cyclictest65850irq/126-lan09:25:120
32409991817,1cyclictest65850irq/126-lan11:20:180
32409991817,1cyclictest65850irq/126-lan10:30:210
32409991817,1cyclictest65850irq/126-lan10:25:170
32409991817,1cyclictest65850irq/126-lan09:21:160
32409991817,1cyclictest65850irq/126-lan08:20:190
32409991817,1cyclictest65850irq/126-lan07:15:160
32409991717,0cyclictest65850irq/126-lan12:05:210
32409991717,0cyclictest65850irq/126-lan11:40:550
32409991717,0cyclictest65850irq/126-lan11:34:520
32409991717,0cyclictest65850irq/126-lan09:45:210
32409991716,1cyclictest65850irq/126-lan12:20:100
32409991716,1cyclictest65850irq/126-lan11:40:000
32409991716,1cyclictest65850irq/126-lan11:05:130
32409991716,1cyclictest65850irq/126-lan10:00:180
32409991716,1cyclictest65850irq/126-lan09:55:120
32409991716,1cyclictest65850irq/126-lan09:50:160
32409991716,1cyclictest65850irq/126-lan09:30:230
32409991716,1cyclictest65850irq/126-lan08:55:210
32409991716,1cyclictest65850irq/126-lan08:10:140
32417991616,0cyclictest16785-21fwupd09:07:151
32409991616,0cyclictest65850irq/126-lan11:55:140
32409991616,0cyclictest65850irq/126-lan09:05:040
32409991616,0cyclictest65850irq/126-lan07:20:150
32409991615,1cyclictest65850irq/126-lan12:35:160
32409991615,1cyclictest65850irq/126-lan12:30:160
32409991615,1cyclictest65850irq/126-lan12:03:510
32409991615,1cyclictest65850irq/126-lan10:45:130
32409991615,1cyclictest65850irq/126-lan09:35:130
32409991615,1cyclictest65850irq/126-lan08:30:130
32409991615,1cyclictest65850irq/126-lan07:35:180
32409991615,1cyclictest65850irq/126-lan07:25:150
32409991615,1cyclictest65850irq/126-lan07:12:480
32409991515,0cyclictest65850irq/126-lan12:16:140
32409991515,0cyclictest65850irq/126-lan10:55:000
32409991515,0cyclictest65850irq/126-lan10:51:140
32409991515,0cyclictest65850irq/126-lan10:05:210
32409991515,0cyclictest65850irq/126-lan08:50:190
32409991514,1cyclictest65850irq/126-lan09:10:120
32409991514,1cyclictest65850irq/126-lan08:05:190
32409991513,2cyclictest65850irq/126-lan10:15:110
32409991414,0cyclictest65850irq/126-lan11:45:190
32409991414,0cyclictest65850irq/126-lan09:00:200
32409991414,0cyclictest65850irq/126-lan08:45:140
32409991414,0cyclictest65850irq/126-lan08:15:170
32409991414,0cyclictest65850irq/126-lan08:00:010
32409991414,0cyclictest65850irq/126-lan07:45:130
32409991414,0cyclictest65850irq/126-lan07:40:150
32409991413,1cyclictest65850irq/126-lan11:54:380
32409991413,1cyclictest65850irq/126-lan11:15:120
32409991413,1cyclictest65850irq/126-lan08:40:150
32409991313,0cyclictest65850irq/126-lan11:00:130
32409991313,0cyclictest65850irq/126-lan08:00:190
32409991312,1cyclictest65850irq/126-lan10:25:000
32409991312,1cyclictest65850irq/126-lan08:25:170
3241799128,1cyclictest743-21snmpd09:19:281
32409991212,0cyclictest65850irq/126-lan11:25:170
32409991212,0cyclictest65850irq/126-lan11:10:190
32409991212,0cyclictest65850irq/126-lan09:15:210
32409991212,0cyclictest65850irq/126-lan07:50:170
32409991212,0cyclictest65850irq/126-lan07:50:160
3241799118,3cyclictest743-21snmpd08:32:311
32409991111,0cyclictest65850irq/126-lan09:40:130
32409991110,1cyclictest65850irq/126-lan12:10:130
32409991110,1cyclictest65850irq/126-lan07:30:140
3241799108,0cyclictest741-21lldpd08:23:421
3241799105,2cyclictest743-21snmpd11:14:351
3241799105,2cyclictest743-21snmpd09:41:161
32409991010,0cyclictest65850irq/126-lan12:25:170
324299998,1cyclictest743-21snmpd07:45:203
324299998,1cyclictest743-21snmpd07:25:123
324299998,1cyclictest743-21snmpd07:11:353
324249998,1cyclictest743-21snmpd12:09:312
324249998,1cyclictest743-21snmpd09:41:222
324249998,1cyclictest743-21snmpd08:17:582
324179998,1cyclictest743-21snmpd11:59:271
324179998,1cyclictest743-21snmpd10:14:121
324179997,0cyclictest522-21avahi-daemon10:22:021
324179995,2cyclictest743-21snmpd07:36:541
324099999,0cyclictest65850irq/126-lan10:35:230
324299988,0cyclictest741-21lldpd12:30:273
324299988,0cyclictest741-21lldpd11:21:403
324299988,0cyclictest741-21lldpd09:06:143
324299987,1cyclictest743-21snmpd12:06:293
324299987,1cyclictest743-21snmpd10:16:303
324299987,1cyclictest743-21snmpd08:41:023
324299987,1cyclictest741-21lldpd12:29:093
324299987,1cyclictest741-21lldpd09:56:553
324299986,2cyclictest743-21snmpd09:25:343
324299986,2cyclictest743-21snmpd07:31:263
324299986,2cyclictest21784-21cat09:20:153
324249988,0cyclictest743-21snmpd11:29:172
324249988,0cyclictest743-21snmpd10:31:212
324249988,0cyclictest743-21snmpd08:04:192
324249988,0cyclictest741-21lldpd11:49:012
324249988,0cyclictest741-21lldpd10:00:072
324249988,0cyclictest741-21lldpd09:52:032
324249988,0cyclictest741-21lldpd09:35:552
324249988,0cyclictest741-21lldpd09:34:472
324249988,0cyclictest741-21lldpd08:53:502
324249987,1cyclictest743-21snmpd12:28:102
324249987,1cyclictest743-21snmpd10:25:242
324249987,1cyclictest743-21snmpd08:22:022
324249987,1cyclictest522-21avahi-daemon08:47:492
324249986,2cyclictest743-21snmpd11:24:142
324249986,2cyclictest743-21snmpd10:44:132
324249986,2cyclictest743-21snmpd07:55:342
324249986,2cyclictest19754-21cat09:15:122
324179988,0cyclictest743-21snmpd12:13:191
324179988,0cyclictest743-21snmpd08:09:551
324179988,0cyclictest743-21snmpd07:24:181
324179988,0cyclictest743-21snmpd07:14:201
324179988,0cyclictest741-21lldpd10:56:001
324179987,1cyclictest743-21snmpd11:38:001
324179987,1cyclictest741-21lldpd10:09:131
324179987,1cyclictest573-21in:imuxsock10:16:001
324179986,2cyclictest743-21snmpd11:45:481
324179986,2cyclictest743-21snmpd10:46:401
324179986,2cyclictest743-21snmpd10:43:311
324179986,2cyclictest743-21snmpd09:00:081
324179986,2cyclictest717-21ntpd12:20:121
324179986,2cyclictest717-21ntpd08:00:111
324299977,0cyclictest743-21snmpd12:12:193
324299977,0cyclictest743-21snmpd07:50:273
324299977,0cyclictest743-21snmpd07:50:273
324299977,0cyclictest741-21lldpd11:36:363
324299977,0cyclictest741-21lldpd11:06:283
324299977,0cyclictest741-21lldpd10:14:533
324299977,0cyclictest741-21lldpd10:05:353
324299977,0cyclictest741-21lldpd09:41:453
324299977,0cyclictest741-21lldpd08:34:403
324299976,1cyclictest743-21snmpd10:24:303
324299976,1cyclictest743-21snmpd09:38:553
324299976,1cyclictest741-21lldpd08:58:483
324299976,1cyclictest18797-21tail11:50:153
324299975,2cyclictest743-21snmpd11:45:423
324299975,2cyclictest743-21snmpd08:20:163
324299975,2cyclictest28645-21cat12:15:143
324299973,3cyclictest5266-21users12:35:233
324299973,3cyclictest26738-21ntp_states10:50:173
324249977,0cyclictest743-21snmpd12:33:142
324249977,0cyclictest743-21snmpd11:41:482
324249977,0cyclictest743-21snmpd11:30:562
324249977,0cyclictest743-21snmpd09:05:542
324249977,0cyclictest741-21lldpd11:17:502
324249977,0cyclictest741-21lldpd09:02:502
324249976,1cyclictest743-21snmpd10:05:142
324249976,1cyclictest743-21snmpd07:53:372
324249976,1cyclictest743-21snmpd07:53:372
324249976,1cyclictest522-21avahi-daemon12:37:062
324249976,1cyclictest506-21systemd-resolve10:20:242
324249975,2cyclictest743-21snmpd09:12:392
324249975,2cyclictest743-21snmpd07:41:572
324249975,2cyclictest743-21snmpd07:39:002
324249975,2cyclictest26648-21cat12:10:132
324179977,0cyclictest743-21snmpd08:58:511
324179977,0cyclictest741-21lldpd10:36:541
324179977,0cyclictest741-21lldpd09:23:091
324179977,0cyclictest741-21lldpd07:51:271
324179977,0cyclictest741-21lldpd07:51:271
324179977,0cyclictest741-21lldpd07:40:511
324179976,1cyclictest743-21snmpd08:17:091
324179976,1cyclictest5380-21fschecks_time10:00:131
324179976,1cyclictest331ktimers/107:25:171
324179975,2cyclictest743-21snmpd12:34:231
324179975,2cyclictest743-21snmpd11:28:561
324179975,2cyclictest743-21snmpd11:17:261
324179975,2cyclictest743-21snmpd11:03:131
324179975,2cyclictest743-21snmpd10:50:581
324179975,2cyclictest743-21snmpd09:59:021
324179975,2cyclictest743-21snmpd08:42:081
324179975,2cyclictest717-21ntpd12:15:141
324179975,2cyclictest717-21ntpd11:40:191
324179975,2cyclictest717-21ntpd10:25:221
324179975,2cyclictest717-21ntpd07:55:441
324099976,1cyclictest244-20systemd-journal08:35:010
324299966,0cyclictest743-21snmpd08:26:593
324299966,0cyclictest743-21snmpd07:17:583
324299966,0cyclictest741-21lldpd11:56:253
324299966,0cyclictest741-21lldpd09:03:583
324299966,0cyclictest741-21lldpd08:10:573
324299966,0cyclictest23613-21sh10:45:003
324299965,1cyclictest743-21snmpd11:25:383
324299965,1cyclictest522-21avahi-daemon08:01:403
324299965,1cyclictest522-21avahi-daemon07:59:243
324299965,1cyclictest27240-21cut08:15:133
324299964,2cyclictest743-21snmpd12:24:583
324299964,2cyclictest743-21snmpd10:58:493
324299964,2cyclictest743-21snmpd10:46:583
324249966,0cyclictest743-21snmpd10:10:412
324249966,0cyclictest743-21snmpd09:59:082
324249966,0cyclictest743-21snmpd08:05:462
324249966,0cyclictest741-21lldpd08:14:162
324249966,0cyclictest741-21lldpd07:18:222
324249966,0cyclictest522-21avahi-daemon08:29:512
324249965,1cyclictest743-21snmpd11:55:122
324249965,1cyclictest18212-21cpuspeed_turbos11:50:132
324249964,2cyclictest743-21snmpd10:35:152
324249964,2cyclictest743-21snmpd07:20:232
324249963,2cyclictest24179-21head10:45:132
324249961,5cyclictest557-21NetworkManager10:15:542
324179965,1cyclictest743-21snmpd09:39:191
324179965,1cyclictest743-21snmpd08:36:171
324179964,2cyclictest743-21snmpd11:53:001
324179964,2cyclictest743-21snmpd09:13:451
324179964,2cyclictest743-21snmpd08:46:431
324179963,3cyclictest557-21NetworkManager07:30:241
324179962,3cyclictest244-20systemd-journal12:35:321
324299955,0cyclictest741-21lldpd11:31:543
324299955,0cyclictest741-21lldpd10:29:113
324299955,0cyclictest717-21ntpd09:47:013
324299955,0cyclictest522-21avahi-daemon08:08:203
324299954,1cyclictest5064-21ntpq07:20:173
324299953,2cyclictest743-21snmpd08:38:353
324299953,2cyclictest557-21NetworkManager08:52:333
324299952,3cyclictest557-21NetworkManager11:10:053
324299952,3cyclictest1738-21cut09:50:153
324299952,2cyclictest7380-21needreboot08:45:163
324299952,2cyclictest244-20systemd-journal09:18:213
324299952,2cyclictest18468-21cat09:10:213
324299952,2cyclictest13556-21wc07:40:223
324299950,4cyclictest31179-21ntpq11:00:193
324249955,0cyclictest743-21snmpd12:00:062
324249955,0cyclictest741-21lldpd07:25:292
324249955,0cyclictest4979-21sort08:40:132
324249954,1cyclictest0-21swapper/212:15:132
324249953,2cyclictest743-21snmpd08:56:572
324249952,3cyclictest743-21snmpd09:20:072
324249952,3cyclictest557-21NetworkManager11:04:592
324249952,3cyclictest3156-21awk08:35:152
324249951,3cyclictest30806-21memory12:20:132
324249951,3cyclictest27037-21cat10:50:202
324249951,3cyclictest15721-21sed07:45:232
324179955,0cyclictest743-21snmpd11:06:281
324179954,1cyclictest717-21ntpd11:30:171
324179954,1cyclictest717-21ntpd07:15:231
324179954,1cyclictest522-21avahi-daemon10:31:241
324179954,1cyclictest25829-21ntpq08:10:181
324179953,2cyclictest743-21snmpd09:32:281
324179953,2cyclictest717-21ntpd12:00:211
324179951,3cyclictest1784-21cut12:30:001
324179950,4cyclictest24223-21ntpq09:25:181
324299943,1cyclictest511ktimers/312:00:123
324299941,2cyclictest5931-21collect210:00:163
324299941,2cyclictest4374-21expr11:15:143
324299941,2cyclictest20684-21ld10:35:193
324299941,2cyclictest17927-21expr10:30:113
324299940,4cyclictest26144-21ntpq09:30:183
324299940,4cyclictest14850-21ntpq11:40:203
324299940,3cyclictest10484-21diskstats07:35:133
324249944,0cyclictest522-21avahi-daemon07:30:042
324249942,2cyclictest743-21snmpd10:55:342
324249942,2cyclictest557-21NetworkManager11:35:132
324249942,2cyclictest31868-21cat09:45:142
324249941,3cyclictest557-21NetworkManager08:30:112
324249941,2cyclictest32533-21df11:05:132
324249941,2cyclictest23340-21find09:25:112
324249940,3cyclictest310-21diskstats07:10:142
324249940,3cyclictest2160-21diskstats11:10:132
324179943,1cyclictest741-21lldpd08:25:101
324179942,2cyclictest6331-21fw_conntrack11:20:131
324179942,2cyclictest31998-21memory09:45:151
324179942,2cyclictest24515-21tail12:05:141
324179941,2cyclictest1498-21cat09:50:141
324179941,2cyclictest14475-21awk07:45:121
324179940,3cyclictest9060-21perl08:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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