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2026-05-16 - 18:58

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 Sat May 16, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13005991918,1cyclictest65850irq/126-lan12:31:003
13005991918,1cyclictest65850irq/126-lan07:41:573
13005991818,0cyclictest65850irq/126-lan11:33:573
13005991818,0cyclictest65850irq/126-lan11:25:123
13005991818,0cyclictest65850irq/126-lan09:10:173
13005991818,0cyclictest65850irq/126-lan07:55:183
13005991817,1cyclictest65850irq/126-lan09:40:123
13005991817,1cyclictest65850irq/126-lan08:55:153
12989991818,0cyclictest743-21snmpd11:03:540
13005991717,0cyclictest65850irq/126-lan11:55:353
13005991717,0cyclictest65850irq/126-lan11:40:153
13005991717,0cyclictest65850irq/126-lan10:25:083
13005991717,0cyclictest65850irq/126-lan09:35:233
13005991717,0cyclictest65850irq/126-lan08:03:553
13005991717,0cyclictest65850irq/126-lan07:35:013
13005991716,1cyclictest65850irq/126-lan12:00:203
13005991716,1cyclictest65850irq/126-lan09:15:153
13005991716,1cyclictest65850irq/126-lan08:35:213
13005991716,1cyclictest65850irq/126-lan08:05:183
13005991716,1cyclictest65850irq/126-lan07:15:133
12989991717,0cyclictest743-21snmpd12:39:180
12989991717,0cyclictest743-21snmpd12:32:180
12989991717,0cyclictest743-21snmpd12:16:080
12989991717,0cyclictest1360-21cat11:55:130
13005991616,0cyclictest65850irq/126-lan11:00:273
13005991616,0cyclictest65850irq/126-lan10:50:113
13005991616,0cyclictest65850irq/126-lan10:45:163
13005991616,0cyclictest65850irq/126-lan10:35:163
13005991616,0cyclictest65850irq/126-lan10:15:203
13005991616,0cyclictest65850irq/126-lan09:20:153
13005991616,0cyclictest65850irq/126-lan08:25:153
13005991616,0cyclictest65850irq/126-lan08:15:153
13005991616,0cyclictest65850irq/126-lan08:10:173
13005991616,0cyclictest65850irq/126-lan07:48:473
13005991615,1cyclictest65850irq/126-lan12:20:173
13005991615,1cyclictest65850irq/126-lan12:05:123
13005991615,1cyclictest65850irq/126-lan10:20:003
13005991615,1cyclictest65850irq/126-lan10:00:143
13005991615,1cyclictest65850irq/126-lan09:50:183
13005991615,1cyclictest65850irq/126-lan09:45:203
12989991616,0cyclictest9921-21cat09:40:140
12989991616,0cyclictest743-21snmpd12:11:430
12989991616,0cyclictest743-21snmpd12:07:410
12989991616,0cyclictest743-21snmpd11:50:370
12989991616,0cyclictest743-21snmpd09:57:140
12989991616,0cyclictest743-21snmpd09:50:390
12989991616,0cyclictest743-21snmpd09:48:350
12989991616,0cyclictest743-21snmpd09:16:040
12989991616,0cyclictest743-21snmpd08:48:000
12989991616,0cyclictest743-21snmpd08:40:210
12989991616,0cyclictest743-21snmpd07:43:380
12989991616,0cyclictest743-21snmpd07:29:460
12989991616,0cyclictest12000-21cat08:25:140
13005991515,0cyclictest65850irq/126-lan12:25:153
13005991515,0cyclictest65850irq/126-lan11:05:133
13005991515,0cyclictest65850irq/126-lan10:05:153
13005991515,0cyclictest65850irq/126-lan09:06:013
13005991514,1cyclictest65850irq/126-lan12:10:143
13005991514,1cyclictest65850irq/126-lan09:00:133
13005991514,1cyclictest65850irq/126-lan08:50:143
13005991514,1cyclictest65850irq/126-lan08:45:213
12989991515,0cyclictest743-21snmpd10:44:530
12989991515,0cyclictest743-21snmpd10:33:280
12989991515,0cyclictest743-21snmpd10:24:580
12989991515,0cyclictest743-21snmpd10:05:460
12989991515,0cyclictest743-21snmpd09:33:470
12989991515,0cyclictest743-21snmpd09:21:530
12989991515,0cyclictest743-21snmpd08:36:070
12989991515,0cyclictest743-21snmpd08:18:120
12989991515,0cyclictest743-21snmpd07:15:230
13005991414,0cyclictest65850irq/126-lan12:15:213
13005991414,0cyclictest65850irq/126-lan10:56:483
13005991414,0cyclictest65850irq/126-lan10:42:473
13005991414,0cyclictest65850irq/126-lan09:30:123
13005991413,1cyclictest65850irq/126-lan10:30:143
13005991413,1cyclictest65850irq/126-lan07:30:003
13005991313,0cyclictest65850irq/126-lan11:45:003
13005991313,0cyclictest65850irq/126-lan11:20:153
13005991313,0cyclictest65850irq/126-lan09:59:463
13005991313,0cyclictest65850irq/126-lan07:20:173
12989991313,0cyclictest743-21snmpd08:00:350
13005991212,0cyclictest65850irq/126-lan12:35:223
13005991212,0cyclictest65850irq/126-lan11:10:003
13005991212,0cyclictest65850irq/126-lan10:14:363
13005991212,0cyclictest65850irq/126-lan09:25:463
13005991212,0cyclictest65850irq/126-lan08:30:003
13005991111,0cyclictest65850irq/126-lan08:40:163
13005991111,0cyclictest65850irq/126-lan07:50:153
13005991111,0cyclictest65850irq/126-lan07:14:563
13005991111,0cyclictest65850irq/126-lan07:14:553
13005991110,1cyclictest65850irq/126-lan11:50:173
13005991110,1cyclictest65850irq/126-lan07:34:483
13005991010,0cyclictest65850irq/126-lan11:15:203
13005991010,0cyclictest65850irq/126-lan08:20:143
1300199108,2cyclictest21144-21tail11:25:142
130059998,1cyclictest65850irq/126-lan11:35:173
130019998,1cyclictest743-21snmpd11:31:092
130019998,1cyclictest743-21snmpd11:16:472
130019998,1cyclictest743-21snmpd10:29:232
130019998,1cyclictest743-21snmpd10:05:552
130019998,1cyclictest743-21snmpd08:27:092
130019998,1cyclictest743-21snmpd07:57:172
130019998,1cyclictest741-21lldpd09:06:402
129949998,1cyclictest743-21snmpd09:41:231
129949998,1cyclictest743-21snmpd07:32:571
129949998,1cyclictest741-21lldpd07:48:091
129899998,1cyclictest743-21snmpd11:36:300
129899998,1cyclictest743-21snmpd07:48:390
130019988,0cyclictest743-21snmpd12:36:392
130019988,0cyclictest741-21lldpd07:53:402
130019987,1cyclictest743-21snmpd12:25:582
130019987,1cyclictest743-21snmpd09:47:472
130019987,1cyclictest743-21snmpd08:57:582
130019987,1cyclictest743-21snmpd08:15:252
130019986,2cyclictest743-21snmpd11:21:322
130019986,2cyclictest743-21snmpd10:47:132
130019986,2cyclictest743-21snmpd07:44:442
130019986,2cyclictest743-21snmpd07:22:432
130019986,2cyclictest717-21ntpd12:10:162
130019986,2cyclictest717-21ntpd09:14:592
130019985,3cyclictest743-21snmpd10:42:472
130019985,2cyclictest13929-21grep08:30:142
129949988,0cyclictest743-21snmpd09:15:551
129949988,0cyclictest741-21lldpd11:19:141
129949988,0cyclictest741-21lldpd10:39:251
129949988,0cyclictest741-21lldpd08:57:191
129949988,0cyclictest741-21lldpd08:25:341
129949988,0cyclictest741-21lldpd07:28:311
129949987,1cyclictest743-21snmpd11:41:221
129949987,1cyclictest741-21lldpd12:17:381
129949987,1cyclictest741-21lldpd08:12:201
129949987,1cyclictest522-21avahi-daemon10:13:581
129949987,1cyclictest522-21avahi-daemon09:59:361
129949986,2cyclictest743-21snmpd11:47:071
129949986,2cyclictest743-21snmpd11:37:151
129949985,3cyclictest743-21snmpd12:22:591
129899988,0cyclictest743-21snmpd11:31:030
129899988,0cyclictest743-21snmpd11:12:480
129899988,0cyclictest741-21lldpd11:21:050
129899988,0cyclictest741-21lldpd07:38:310
129899987,1cyclictest743-21snmpd09:14:160
129899987,1cyclictest743-21snmpd08:21:190
129899987,1cyclictest743-21snmpd08:06:120
129899987,1cyclictest522-21avahi-daemon10:45:150
129899986,2cyclictest743-21snmpd12:20:500
129899986,2cyclictest743-21snmpd10:04:300
129899986,2cyclictest743-21snmpd09:06:140
129899986,2cyclictest743-21snmpd08:31:000
129899986,2cyclictest743-21snmpd07:55:260
130019977,0cyclictest743-21snmpd12:01:552
130019977,0cyclictest743-21snmpd11:38:212
130019977,0cyclictest743-21snmpd09:42:472
130019977,0cyclictest743-21snmpd09:03:202
130019977,0cyclictest743-21snmpd08:03:302
130019977,0cyclictest741-21lldpd11:11:132
130019977,0cyclictest741-21lldpd10:33:442
130019977,0cyclictest741-21lldpd10:22:132
130019977,0cyclictest741-21lldpd10:11:562
130019977,0cyclictest741-21lldpd07:19:342
130019977,0cyclictest522-21avahi-daemon09:13:522
130019976,1cyclictest743-21snmpd08:41:542
130019976,1cyclictest743-21snmpd07:36:502
130019976,1cyclictest717-21ntpd11:05:192
130019976,1cyclictest717-21ntpd09:20:142
130019976,1cyclictest21573-21gltestperf07:30:162
130019975,2cyclictest743-21snmpd09:26:322
130019975,2cyclictest743-21snmpd08:38:312
130019975,2cyclictest743-21snmpd07:10:102
130019975,2cyclictest743-21snmpd07:10:102
130019975,2cyclictest10288-21cat12:15:142
130019973,3cyclictest7606-21df09:35:142
129949977,0cyclictest743-21snmpd11:14:241
129949977,0cyclictest743-21snmpd07:41:381
129949977,0cyclictest741-21lldpd09:25:171
129949977,0cyclictest741-21lldpd09:08:521
129949977,0cyclictest741-21lldpd08:33:111
129949976,1cyclictest743-21snmpd09:34:321
129949975,2cyclictest743-21snmpd12:00:521
129949975,2cyclictest743-21snmpd11:27:511
129949975,2cyclictest743-21snmpd11:23:351
129949975,2cyclictest743-21snmpd10:51:161
129949975,2cyclictest743-21snmpd10:15:271
129949975,2cyclictest743-21snmpd08:05:001
129949975,2cyclictest743-21snmpd07:21:371
129899977,0cyclictest743-21snmpd11:47:550
129899977,0cyclictest743-21snmpd07:52:180
129899977,0cyclictest741-21lldpd12:02:540
129899976,1cyclictest741-21lldpd10:12:290
129899976,1cyclictest16389-21cpuspeed_turbos11:15:120
129899976,1cyclictest13808-21needreboot07:10:150
129899976,1cyclictest13808-21needreboot07:10:150
129899974,3cyclictest557-21NetworkManager08:10:230
130019966,0cyclictest743-21snmpd10:18:512
130019966,0cyclictest743-21snmpd09:30:022
130019966,0cyclictest522-21avahi-daemon08:49:222
130019965,1cyclictest743-21snmpd11:46:162
130019964,2cyclictest743-21snmpd09:51:332
130019964,2cyclictest717-21ntpd07:45:132
130019962,3cyclictest3227-21df_inode08:05:132
129949966,0cyclictest743-21snmpd09:12:311
129949966,0cyclictest743-21snmpd08:07:291
129949966,0cyclictest741-21lldpd11:57:211
129949966,0cyclictest741-21lldpd11:30:021
129949966,0cyclictest741-21lldpd10:56:311
129949966,0cyclictest741-21lldpd10:04:461
129949965,1cyclictest522-21avahi-daemon07:35:281
129949965,1cyclictest29770-21gltestperf07:50:141
129949965,1cyclictest14269-21gltestperf12:25:131
129949964,2cyclictest743-21snmpd11:54:361
129949964,2cyclictest743-21snmpd08:45:481
129949964,2cyclictest743-21snmpd08:35:311
129949963,3cyclictest15940-21apt-get12:30:121
129949963,2cyclictest244-20systemd-journal09:00:221
129899966,0cyclictest743-21snmpd10:57:020
129899966,0cyclictest741-21lldpd12:27:540
129899966,0cyclictest741-21lldpd11:25:300
129899966,0cyclictest741-21lldpd10:39:040
129899965,1cyclictest743-21snmpd08:56:280
129899965,1cyclictest743-21snmpd08:54:080
129899965,1cyclictest743-21snmpd07:34:570
130019955,0cyclictest743-21snmpd10:00:022
130019955,0cyclictest741-21lldpd11:03:262
130019954,1cyclictest743-21snmpd12:34:512
130019954,1cyclictest743-21snmpd10:51:292
130019954,1cyclictest5702-21gltestperf12:05:132
130019954,1cyclictest244-20systemd-journal09:59:402
130019953,2cyclictest743-21snmpd10:55:142
130019953,2cyclictest717-21ntpd11:58:062
130019952,2cyclictest28733-21seq11:41:232
130019952,2cyclictest20318-21sed07:25:192
130019952,2cyclictest10328-21awk08:20:152
130019951,2cyclictest7423-21cat08:15:002
130019950,4cyclictest21967-21fw_forwarded_lo08:50:142
129949954,1cyclictest743-21snmpd07:56:171
129949954,1cyclictest3940-21turbostat.cron10:45:001
129949954,1cyclictest22119-21cat08:50:151
129949954,1cyclictest11615-21tr09:45:131
129949952,2cyclictest31873-21sed10:30:211
129949952,2cyclictest244-20systemd-journal11:01:471
129949952,2cyclictest244-20systemd-journal08:24:381
129949952,2cyclictest19841-21tune2fs10:05:151
129949952,2cyclictest18486-21sort12:35:151
129949952,2cyclictest13967-21ntp_kernel_pll_07:10:161
129949952,2cyclictest13967-21ntp_kernel_pll_07:10:161
129949952,2cyclictest13071-21ntpq11:05:161
129949951,3cyclictest27951-21ls10:25:001
129899955,0cyclictest743-21snmpd07:20:040
129899955,0cyclictest741-21lldpd10:50:180
129899954,1cyclictest28816-21gltestperf10:25:130
129899953,2cyclictest0-21swapper/009:25:520
129899953,0cyclictest0-21swapper/009:00:110
129899952,2cyclictest13277-21rt-features11:05:180
130019942,2cyclictest1421-21grep10:35:222
130019941,2cyclictest31440-21tr11:50:122
130019940,4cyclictest12664-21ntpq12:20:182
129949942,2cyclictest743-21snmpd12:10:071
129949942,2cyclictest743-21snmpd09:54:211
129949942,2cyclictest743-21snmpd09:35:301
129949942,2cyclictest557-21NetworkManager12:05:031
129949942,2cyclictest4631-21cat10:45:141
129949941,3cyclictest1700-21fw_conntrack09:20:141
129949941,2cyclictest7644-21grep08:15:141
129949941,2cyclictest29260-21ntpq10:25:161
129949940,4cyclictest15916-21ntpq07:15:171
129899944,0cyclictest0-21swapper/009:35:130
129899941,2cyclictest28063-21ntp_kernel_pll_11:40:160
129899940,3cyclictest24965-21sed10:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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