You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-12 - 10:55
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
Characteristics of the 50 highest latencies:
System rack2slot0.osadl.org (updated Sat Jul 12, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1959721060,0sleep20-21swapper/200:09:482
1442121050,2sleep3368299cyclictest23:22:583
2093821030,2sleep3368299cyclictest22:04:363
238742790,1sleep1646-21dbus-daemon22:25:571
12382540,0sleep30-21swapper/323:58:313
290332530,0sleep30-21swapper/323:54:593
43972520,0sleep20-21swapper/222:21:052
220902520,1sleep0700-21gdbus23:51:110
109722520,0sleep20-21swapper/220:45:132
22842510,0sleep30-21swapper/322:36:043
186302510,0sleep00-21swapper/021:21:510
45542490,0sleep00-21swapper/000:35:290
168482490,0sleep10-21swapper/123:53:491
267192480,0sleep20-21swapper/221:55:582
79652450,0sleep00-21swapper/023:07:090
280752450,1sleep0101ktimersoftd/021:25:440
73592410,0sleep2311rcuc/221:48:092
67832360,0sleep10-21swapper/122:36:301
113472350,0sleep10-21swapper/122:12:431
319723423,6sleep20-21swapper/219:05:402
324622912,12sleep00-21swapper/019:06:180
3676992120,0cyclictest28326-21lspci22:14:202
33342219,7sleep30-21swapper/319:07:213
31722208,7sleep10-21swapper/119:05:231
250342190,1sleep3646-21dbus-daemon23:11:493
239962180,2sleep0366199cyclictest21:19:230
159332180,1sleep315917-21sshd23:26:113
3676991716,0cyclictest523-40kipmi023:34:522
285392170,1sleep328509-21sshd21:50:103
202512170,0sleep00-21swapper/000:13:020
159052170,0sleep20-21swapper/222:58:422
3676991615,0cyclictest1195-21lspci00:21:032
3676991514,0cyclictest32316-21lspci21:32:162
368299140,1cyclictest2470-21grep22:54:253
3667991413,0cyclictest9933-21kworker/1:019:30:311
316392140,0sleep00-21swapper/000:01:200
237642140,1sleep223767-21bash23:42:122
201772140,0sleep120175-21lspci23:48:001
194352140,0sleep30-21swapper/323:08:163
193622140,0sleep20-21swapper/222:40:402
18912140,0sleep10-21swapper/100:07:581
117072140,0sleep20-21swapper/221:24:182
3682991311,1cyclictest3635-21bash23:37:153
3676991312,0cyclictest2106-21lspci23:58:362
3676991311,1cyclictest33-21ksoftirqd/200:19:292
367699130,12cyclictest6104-21lspci23:28:212
366799130,12cyclictest5117-21sshd21:23:401
366199130,1cyclictest32197-21sshd21:50:240
327332130,0sleep30-21swapper/322:05:363
238412130,0sleep10-21swapper/121:31:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional