You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-02 - 06:36
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 rack0slot2.osadl.org (updated Thu Apr 02, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188812126150,7sleep50-21swapper/519:00:505
188853999490,47cyclictest2421733-21grep23:07:367
188806424939,7sleep40-21swapper/419:00:004
1888535994845,2cyclictest2218010-21kworker/u16:2+events_unbound22:17:396
1888535994644,2cyclictest2469824-21kworker/u16:4+events_unbound23:37:396
1888539994439,4cyclictest2589828-21latency_hist00:17:367
1888535994341,2cyclictest2312383-21kworker/u16:1+events_unbound23:25:166
1888535994341,2cyclictest2312383-21kworker/u16:1+events_unbound23:15:246
1888535994341,2cyclictest2218010-21kworker/u16:2+events_unbound22:02:316
1888535994240,2cyclictest2601895-21kworker/u16:3+events_unbound00:30:276
1888535994139,2cyclictest2361765-21kworker/u16:4+events_unbound23:04:346
1888535994139,2cyclictest2312383-21kworker/u16:1+events_unbound22:29:156
1888535994139,2cyclictest2168136-21kworker/u16:0+events_unbound21:20:046
1888535994139,2cyclictest2146081-21kworker/u16:4+events_unbound21:56:516
1888535994139,2cyclictest2054659-21kworker/u16:0+events_unbound21:06:596
188853999400,38cyclictest2385824-21latency_hist22:52:377
1888535994038,2cyclictest2588217-21kworker/u16:2+events_unbound00:16:116
1888535994038,2cyclictest2422153-21kworker/u16:0+events_unbound23:21:556
1888535994038,2cyclictest2312383-21kworker/u16:1+events_unbound22:54:246
1888535994038,2cyclictest2026350-21kworker/u16:1+events_unbound21:28:196
18880042404,31sleep70-21swapper/718:59:077
1888535993937,2cyclictest2588217-21kworker/u16:2+events_unbound00:23:156
1888535993937,2cyclictest2588217-21kworker/u16:2+events_unbound00:23:156
1888535993937,2cyclictest2564816-21kworker/u16:0+events_unbound00:11:596
1888535993937,2cyclictest2530209-21kworker/u16:2+events_unbound23:56:406
1888535993937,2cyclictest2253691-21kworker/u16:0+events_unbound22:06:046
1888535993937,2cyclictest2146081-21kworker/u16:4+events_unbound22:12:156
1888535993836,2cyclictest2530209-21kworker/u16:2+events_unbound00:03:116
1888535993836,2cyclictest2146081-21kworker/u16:4+events_unbound21:44:126
1888535993836,2cyclictest2146081-21kworker/u16:4+events_unbound21:25:116
1888535993735,2cyclictest2564816-21kworker/u16:0+events_unbound00:18:306
1888535993735,2cyclictest2545266-21kworker/u16:3+events_unbound23:59:566
1888535993735,2cyclictest2443572-21kworker/u16:2+events_unbound23:31:206
1888535993735,2cyclictest2361765-21kworker/u16:4+events_unbound23:10:596
1888535993735,2cyclictest2326102-21kworker/u16:0+events_unbound22:46:006
1888535993735,2cyclictest2218010-21kworker/u16:2+events_unbound22:26:476
1888535993735,2cyclictest2218010-21kworker/u16:2+events_unbound22:26:476
1888535993735,2cyclictest2026350-21kworker/u16:1+events_unbound21:48:246
1888535993735,2cyclictest1879132-21kworker/u16:2+flush-8:020:27:376
1888535993634,2cyclictest2503491-21kworker/u16:0+events_unbound23:46:076
1888535993634,2cyclictest2469824-21kworker/u16:4+events_unbound23:35:246
1888535993634,2cyclictest2326102-21kworker/u16:0+events_unbound22:48:366
1888535993634,2cyclictest2326102-21kworker/u16:0+events_unbound22:41:286
1888535993634,2cyclictest2312383-21kworker/u16:1+events_unbound22:58:556
1888535993634,2cyclictest2146081-21kworker/u16:4+events_unbound21:41:036
1888535993634,2cyclictest2146081-21kworker/u16:4+events_unbound21:14:246
1888535993634,2cyclictest2026350-21kworker/u16:1+events_unbound21:34:486
1888535993533,2cyclictest2326102-21kworker/u16:0+events_unbound22:36:196
1888535993533,2cyclictest2218010-21kworker/u16:2+events_unbound22:16:196
1888535993533,2cyclictest2054659-21kworker/u16:0+events_unbound21:12:096
188798323525,7sleep60-21swapper/618:58:506
1888535993229,2cyclictest2503491-21kworker/u16:0+flush-8:023:47:376
1888530993230,2cyclictest2361765-21kworker/u16:4+flush-8:023:12:525
1888535993129,2cyclictest1879132-21kworker/u16:2+events_unbound20:53:376
1888535993028,2cyclictest1835010-21kworker/u16:0+events_unbound19:16:376
1888530993028,2cyclictest2218010-21kworker/u16:2+flush-8:021:57:535
1888535992927,2cyclictest1948476-21kworker/u16:1+events_unbound19:30:326
1888535992826,2cyclictest2054659-21kworker/u16:0+events_unbound21:00:046
1888535992826,2cyclictest2054659-21kworker/u16:0+events_unbound20:38:076
1888535992826,2cyclictest2026350-21kworker/u16:1+flush-8:020:17:476
1888535992825,2cyclictest1879132-21kworker/u16:2+flush-8:019:42:476
1888530992826,2cyclictest2326102-21kworker/u16:0+events_unbound22:42:525
1888530992826,2cyclictest2179333-21kworker/u16:3+events_unbound21:33:165
1888526992825,2cyclictest2146081-21kworker/u16:4+flush-8:022:22:414
1888526992825,2cyclictest2146081-21kworker/u16:4+flush-8:022:22:414
1888539992722,4cyclictest1958976-21latency_hist19:37:377
1888535992725,2cyclictest1958204-21kworker/u16:0+events_unbound20:09:086
1888530992725,2cyclictest2483478-21kworker/u16:5+flush-8:023:43:245
1888530992725,2cyclictest2312383-21kworker/u16:1+flush-8:023:02:425
1888530992725,2cyclictest2218010-21kworker/u16:2+flush-8:022:19:485
1888530992725,2cyclictest1973080-21kworker/u16:4+events_unbound20:37:595
1888530992725,2cyclictest1879132-21kworker/u16:2+events_unbound19:46:515
1888530992724,2cyclictest2146081-21kworker/u16:4+events_unbound22:03:005
1888526992724,2cyclictest1879132-21kworker/u16:2+flush-8:019:38:034
1888526992724,2cyclictest1879132-21kworker/u16:2+flush-8:019:38:034
1888539992624,1cyclictest0-21swapper/721:27:597
1888539992620,5cyclictest1997279-21latency_hist19:57:377
1888535992624,2cyclictest1958204-21kworker/u16:0+events_unbound20:04:036
1888535992624,2cyclictest1879132-21kworker/u16:2+events_unbound20:49:046
1888530992624,2cyclictest2146081-21kworker/u16:4+events_unbound21:37:555
1888530992624,2cyclictest1958204-21kworker/u16:0+events_unbound19:54:035
1888530992624,2cyclictest1879132-21kworker/u16:2+flush-8:020:27:565
1888539992524,0cyclictest0-21swapper/719:03:047
1888535992523,2cyclictest1973080-21kworker/u16:4+events_unbound19:58:116
1888535992523,2cyclictest1835010-21kworker/u16:0+flush-8:019:07:476
1888530992523,2cyclictest1958204-21kworker/u16:0+flush-8:020:02:595
1888539992423,0cyclictest0-21swapper/721:07:577
1888530992422,2cyclictest2253691-21kworker/u16:0+events_unbound22:08:015
1888530992422,2cyclictest1879132-21kworker/u16:2+flush-8:019:47:565
1888530992422,2cyclictest1879132-21kworker/u16:2+events_unbound20:48:035
1888526992422,2cyclictest2146081-21kworker/u16:4+events_unbound22:02:154
1888539992318,4cyclictest650-21systemd-journal19:32:327
1888539992317,5cyclictest2253666-21latency_hist21:57:377
1888535992321,2cyclictest1948476-21kworker/u16:1+flush-8:019:37:476
1888535992321,2cyclictest1948476-21kworker/u16:1+flush-8:019:37:476
1888530992321,2cyclictest2179333-21kworker/u16:3+flush-8:021:28:025
1888530992321,2cyclictest1879132-21kworker/u16:2+flush-8:019:57:525
1888530992321,2cyclictest1879132-21kworker/u16:2+events_unbound20:59:275
1888530992321,2cyclictest1879132-21kworker/u16:2+events_unbound20:15:075
1888539992221,0cyclictest0-21swapper/723:12:507
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional