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2025-07-12 - 00:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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 highest latencies:
System rack8slot7s.osadl.org (updated Fri Jul 11, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22962991918,1cyclictest55650irq/125-lan12:24:461
22962991918,1cyclictest55650irq/125-lan12:15:231
22962991918,1cyclictest55650irq/125-lan12:12:071
22962991918,1cyclictest55650irq/125-lan11:45:181
22962991918,1cyclictest55650irq/125-lan11:35:161
22962991918,1cyclictest55650irq/125-lan11:15:371
22962991918,1cyclictest55650irq/125-lan11:13:021
22962991918,1cyclictest55650irq/125-lan11:03:271
22962991918,1cyclictest55650irq/125-lan10:56:031
22962991918,1cyclictest55650irq/125-lan10:53:041
22962991918,1cyclictest55650irq/125-lan10:42:151
22962991918,1cyclictest55650irq/125-lan10:26:091
22962991918,1cyclictest55650irq/125-lan10:24:591
22962991918,1cyclictest55650irq/125-lan09:59:531
22962991918,1cyclictest55650irq/125-lan09:53:341
22962991918,1cyclictest55650irq/125-lan09:39:061
22962991918,1cyclictest55650irq/125-lan09:30:151
22962991918,1cyclictest55650irq/125-lan09:25:231
22962991918,1cyclictest55650irq/125-lan09:15:511
22962991917,2cyclictest55650irq/125-lan07:15:131
22962991917,1cyclictest55650irq/125-lan11:58:051
22962991818,0cyclictest55650irq/125-lan12:29:331
22962991818,0cyclictest55650irq/125-lan11:41:191
22962991818,0cyclictest55650irq/125-lan10:19:431
22962991818,0cyclictest55650irq/125-lan09:48:531
22962991818,0cyclictest55650irq/125-lan09:12:091
22962991818,0cyclictest55650irq/125-lan07:12:091
22962991817,1cyclictest55650irq/125-lan12:37:341
22962991817,1cyclictest55650irq/125-lan12:30:251
22962991817,1cyclictest55650irq/125-lan12:02:241
22962991817,1cyclictest55650irq/125-lan11:30:131
22962991817,1cyclictest55650irq/125-lan11:25:151
22962991817,1cyclictest55650irq/125-lan11:07:121
22962991817,1cyclictest55650irq/125-lan10:45:361
22962991817,1cyclictest55650irq/125-lan10:37:011
22962991817,1cyclictest55650irq/125-lan10:33:561
22962991817,1cyclictest55650irq/125-lan10:10:211
22962991817,1cyclictest55650irq/125-lan10:07:191
22962991817,1cyclictest55650irq/125-lan09:43:061
22962991817,1cyclictest55650irq/125-lan09:21:571
22962991817,1cyclictest55650irq/125-lan08:56:481
22962991817,1cyclictest55650irq/125-lan08:27:571
22962991817,1cyclictest55650irq/125-lan08:01:561
22962991817,1cyclictest55650irq/125-lan07:57:531
22962991817,1cyclictest55650irq/125-lan07:21:241
22962991816,1cyclictest55650irq/125-lan12:05:121
22962991717,0cyclictest55650irq/125-lan11:21:201
22962991717,0cyclictest55650irq/125-lan10:00:291
22962991717,0cyclictest55650irq/125-lan08:11:371
22962991716,1cyclictest55650irq/125-lan11:50:131
22962991716,1cyclictest55650irq/125-lan08:15:091
22962991716,1cyclictest55650irq/125-lan07:50:471
22962991716,1cyclictest55650irq/125-lan07:26:211
22962991715,1cyclictest55650irq/125-lan08:40:161
22962991615,1cyclictest55650irq/125-lan08:35:261
22962991615,1cyclictest55650irq/125-lan07:41:391
22962991515,0cyclictest55650irq/125-lan09:07:501
22962991515,0cyclictest55650irq/125-lan07:47:141
22962991514,1cyclictest55650irq/125-lan08:50:241
22962991514,1cyclictest55650irq/125-lan08:30:161
22962991514,1cyclictest55650irq/125-lan08:20:521
22962991514,1cyclictest55650irq/125-lan08:08:381
22962991514,1cyclictest55650irq/125-lan07:31:041
22962991413,1cyclictest55650irq/125-lan09:00:211
22962991413,1cyclictest55650irq/125-lan08:47:371
22962991413,1cyclictest55650irq/125-lan07:35:231
22959991414,0cyclictest294-21hwrng12:13:120
22959991313,0cyclictest14884-21kworker/0:1+tpm_dev_wq10:21:510
22959991212,0cyclictest294-21hwrng10:35:560
22959991211,1cyclictest703-21snmpd08:07:400
22959991111,0cyclictest294-21hwrng10:29:470
2295999109,1cyclictest681-21ntpd09:20:200
229599998,1cyclictest703-21snmpd10:44:410
229599998,1cyclictest703-21snmpd09:38:130
229599998,1cyclictest703-21snmpd09:25:130
229599998,1cyclictest703-21snmpd08:56:540
229599998,1cyclictest703-21snmpd07:17:190
229599997,1cyclictest703-21snmpd07:51:460
229599997,1cyclictest32705-21ntp_kernel_pll_12:15:180
229599996,3cyclictest703-21snmpd12:30:560
229599996,2cyclictest703-21snmpd11:47:550
229599996,2cyclictest703-21snmpd11:12:300
229599995,3cyclictest703-21snmpd11:35:290
229599995,3cyclictest703-21snmpd11:27:320
229599992,1cyclictest247812sh12:07:220
229599988,0cyclictest703-21snmpd12:28:200
229599988,0cyclictest703-21snmpd09:07:240
229599988,0cyclictest703-21snmpd08:19:050
229599988,0cyclictest294-21hwrng11:55:480
229599988,0cyclictest294-21hwrng11:18:560
229599988,0cyclictest294-21hwrng10:10:190
229599988,0cyclictest294-21hwrng09:48:490
229599988,0cyclictest294-21hwrng09:16:040
229599988,0cyclictest294-21hwrng08:46:210
229599988,0cyclictest294-21hwrng08:33:030
229599988,0cyclictest294-21hwrng08:27:550
229599988,0cyclictest294-21hwrng08:10:310
229599988,0cyclictest294-21hwrng07:14:110
229599987,1cyclictest703-21snmpd12:20:110
229599987,1cyclictest703-21snmpd11:22:510
229599987,1cyclictest703-21snmpd07:27:180
229599987,1cyclictest32755-21latency11:40:150
229599986,2cyclictest703-21snmpd11:51:070
229599986,2cyclictest703-21snmpd11:34:440
229599986,2cyclictest703-21snmpd10:47:580
229599986,2cyclictest703-21snmpd09:02:450
229599986,2cyclictest703-21snmpd08:00:530
229599986,2cyclictest681-21ntpd11:07:040
229599986,2cyclictest171ktimers/007:45:180
229599985,3cyclictest18086-21ntpq08:20:180
229599985,2cyclictest703-21snmpd12:04:070
229599985,2cyclictest703-21snmpd07:30:390
229599977,0cyclictest294-21hwrng11:00:290
229599977,0cyclictest294-21hwrng10:17:290
229599977,0cyclictest294-21hwrng09:54:580
229599977,0cyclictest294-21hwrng09:10:560
229599977,0cyclictest294-21hwrng08:40:130
229599977,0cyclictest294-21hwrng08:39:120
229599976,1cyclictest703-21snmpd10:09:380
229599976,1cyclictest703-21snmpd07:37:330
229599976,1cyclictest27248-21missed_timers10:55:170
229599976,1cyclictest19513-21ntp_kernel_pll_12:35:190
229599976,1cyclictest1-21systemd09:55:200
229599975,2cyclictest703-21snmpd10:50:070
229599975,2cyclictest703-21snmpd09:31:190
229599975,2cyclictest703-21snmpd07:43:010
229599974,2cyclictest703-21snmpd07:58:140
229599965,1cyclictest5500-21cpuspeed_turbos10:30:130
229599965,1cyclictest29011-21ntp_kernel_err08:50:160
229599965,1cyclictest13889-21fschecks_time10:00:130
229599963,2cyclictest703-21snmpd07:20:460
229599952,2cyclictest29702-21cat09:40:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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