You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 19:28
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 100 highest latencies:
System rack0slot5.osadl.org (updated Tue Nov 18, 2025 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209745099737318,419cyclictest0-21swapper/219:57:548
2097450995791,42cyclictest0-21swapper/221:42:548
20974509953841,496cyclictest0-21swapper/219:36:548
2097462995116,504cyclictest0-21swapper/521:32:5411
209746299510508,2cyclictest0-21swapper/520:28:5411
2097454994783,474cyclictest0-21swapper/300:18:549
20974509947526,29cyclictest0-21swapper/222:11:378
20974929947425,29cyclictest0-21swapper/1220:20:184
2097454994740,473cyclictest0-21swapper/323:25:549
20974509947226,29cyclictest0-21swapper/221:21:168
209748999470470,0cyclictest77250irq/159-i91500:18:543
20974929946923,28cyclictest0-21swapper/1220:25:154
20974769946919,29cyclictest0-21swapper/923:48:3915
20974929946718,30cyclictest0-21swapper/1221:07:364
20974929946618,30cyclictest0-21swapper/1223:30:414
20974929946618,30cyclictest0-21swapper/1222:58:164
20974929946617,30cyclictest0-21swapper/1222:52:374
209748999466466,0cyclictest77250irq/159-i91523:25:543
20974929946518,29cyclictest0-21swapper/1200:18:154
20974929946517,30cyclictest0-21swapper/1200:08:154
20974929946217,29cyclictest0-21swapper/1221:02:544
2097462994620,461cyclictest0-21swapper/519:55:2711
2097458994620,460cyclictest0-21swapper/419:32:5410
2097458994610,459cyclictest0-21swapper/419:36:5410
209745499461460,1cyclictest2286968-21kworker/3:0+i915-unordered22:52:549
2097492994599,30cyclictest0-21swapper/1220:44:164
20974929945913,30cyclictest0-21swapper/1223:48:544
209746299459455,3cyclictest3682525-21snmpd19:45:3011
2097492994589,30cyclictest0-21swapper/1222:04:394
209749299458454,2cyclictest77250irq/159-i91519:32:544
209749299454453,1cyclictest77250irq/159-i91519:36:544
209745499454453,1cyclictest0-21swapper/320:52:549
209748999453452,1cyclictest77250irq/159-i91522:52:543
209747699452446,5cyclictest3682525-21snmpd21:22:0615
209748999450450,0cyclictest0-21swapper/1122:40:173
209750499449447,2cyclictest3682525-21snmpd19:40:517
209745099449447,2cyclictest3682525-21snmpd22:47:478
2097450994480,30cyclictest0-21swapper/223:37:158
20975049944724,30cyclictest0-21swapper/1519:22:157
2097489994470,446cyclictest0-21swapper/1119:26:543
2097473994470,446cyclictest0-21swapper/821:38:5414
209749699446444,2cyclictest2146108-21kworker/13:1+i915-unordered20:28:545
209748999446445,1cyclictest77250irq/159-i91520:52:543
2097499994450,444cyclictest0-21swapper/1419:30:176
20974929944424,419cyclictest0-21swapper/1220:34:164
20974509944425,416cyclictest0-21swapper/200:29:158
20974769944324,418cyclictest0-21swapper/923:18:3615
209745499443443,0cyclictest0-21swapper/321:32:549
20974929944224,416cyclictest0-21swapper/1200:32:354
20974929944222,420cyclictest0-21swapper/1223:24:384
20974769944120,420cyclictest0-21swapper/920:12:3915
209746299441440,1cyclictest0-21swapper/522:55:1611
20974769944020,419cyclictest0-21swapper/922:34:3815
20974769944020,419cyclictest0-21swapper/922:08:1815
20974769944019,420cyclictest0-21swapper/921:51:1715
20974769944019,420cyclictest0-21swapper/921:51:1715
20974629944022,416cyclictest0-21swapper/522:13:5411
20974629944019,421cyclictest0-21swapper/521:45:3611
209748199439437,1cyclictest0-21swapper/1023:25:542
20974769943922,417cyclictest0-21swapper/900:20:3915
20974699943922,416cyclictest0-21swapper/722:38:3813
20974699943919,419cyclictest0-21swapper/723:13:5413
209746699439438,1cyclictest2119536-21kworker/6:2+i915-unordered19:30:1712
20974929943819,417cyclictest0-21swapper/1200:03:384
20974929943818,419cyclictest0-21swapper/1223:16:164
20974769943820,418cyclictest0-21swapper/923:50:3715
209745499438435,3cyclictest2295965-21kworker/u64:1+events_unbound00:32:549
20974929943719,416cyclictest0-21swapper/1223:12:384
209748199437436,1cyclictest2197679-21kworker/10:2+i915-unordered21:27:542
209747699437435,1cyclictest0-21swapper/900:30:5415
20974769943719,417cyclictest0-21swapper/922:02:4015
20974629943719,417cyclictest0-21swapper/519:52:3811
20974929943615,420cyclictest0-21swapper/1223:51:174
20974929943615,418cyclictest0-21swapper/1223:40:374
209747699436436,0cyclictest0-21swapper/922:47:3715
209747699436435,1cyclictest0-21swapper/921:40:1715
20974629943621,414cyclictest0-21swapper/521:03:5411
20974629943618,418cyclictest0-21swapper/520:35:1811
20974969943520,415cyclictest0-21swapper/1320:40:075
20974929943516,419cyclictest0-21swapper/1221:28:404
20974929943516,417cyclictest0-21swapper/1222:17:374
209748999435435,0cyclictest77250irq/159-i91521:32:543
20974629943516,418cyclictest0-21swapper/520:40:3111
209745499435435,0cyclictest0-21swapper/321:28:549
209745499435434,1cyclictest0-21swapper/321:42:549
20974929943415,417cyclictest0-21swapper/1200:26:364
20974629943417,417cyclictest0-21swapper/521:44:1511
20975049943321,411cyclictest0-21swapper/1523:12:547
20974629943314,418cyclictest0-21swapper/521:16:3811
20974629943214,418cyclictest0-21swapper/500:05:3911
20974589943211,420cyclictest0-21swapper/421:19:4910
20974629943113,417cyclictest0-21swapper/500:25:4011
20974629943112,418cyclictest0-21swapper/523:31:3911
20974629943112,418cyclictest0-21swapper/522:39:3811
20974629943111,419cyclictest0-21swapper/520:31:1611
209745099431431,0cyclictest0-21swapper/222:31:288
20974509943111,418cyclictest0-21swapper/219:27:168
20974929943011,416cyclictest0-21swapper/1222:24:174
209748999430428,2cyclictest0-21swapper/1100:32:543
20974629943012,418cyclictest0-21swapper/521:20:3711
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional