You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 23:11
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.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Sep 17, 2025 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151140,0ktimers/0182861sleep07:02:150
1514520,0ktimers/0207661sleep09:45:580
1514490,0ktimers/0288851sleep10:24:390
1514490,0ktimers/0242401sleep07:31:040
184379944733,0cyclictest21132-21apt-get12:24:470
184379944541,0cyclictest21342-21apt-get09:49:560
184379944079,0cyclictest10566-21cut09:00:120
184379943834,0cyclictest22202-21chrt12:29:440
1843799434136,0cyclictest8427-21cut08:50:140
184379943078,0cyclictest27287-21wc10:16:080
1514300,0ktimers/079981sleep11:24:290
1514280,0ktimers/0215141sleep07:19:540
184379942730,0cyclictest5989-21awk11:15:070
184379942470,0cyclictest11952-21hostname11:41:040
184379942467,0cyclictest17110-21expr12:05:360
184379942461,0cyclictest130150irq/15-NE200008:47:490
184379942261,0cyclictest0-21swapper08:04:140
184379942256,0cyclictest12676-21switchtime11:45:280
184379942145,0cyclictest18733-21munin-run12:14:200
184379942087,0cyclictest25300-21ls07:36:050
184379942076,0cyclictest29884-21df_inode10:30:200
1514170,0ktimers/0268731sleep07:44:380
1843799416132,0cyclictest0-21swapper07:39:500
184379941176,0cyclictest0-21swapper08:54:350
184379941129,0cyclictest893-21jbd2/sda1-808:29:260
184379941128,0cyclictest23007-21processes07:25:490
184379941037,0cyclictest5716-21munin-run11:14:200
184379940977,0cyclictest0-21swapper11:29:270
184379940829,0cyclictest23676-21awk10:00:230
184379940742,0cyclictest5610-21kworker/u4:1+flush-8:011:59:450
1843799407134,0cyclictest0-21swapper08:39:310
184379940629,0cyclictest20751-21cut07:15:410
184379940492,0cyclictest31112-21sed08:04:240
184379940483,0cyclictest22748-21awk09:55:440
184379940442,0cyclictest19248-21grep12:15:420
184379940438,0cyclictest2539-21chrt10:55:470
184379940329,0cyclictest893-21jbd2/sda1-811:04:260
1843799403117,0cyclictest13142-21sshd09:10:560
184379940172,0cyclictest35-1kworker/0:1H-kblockd09:26:560
184379939780,0cyclictest1626-21nscd09:34:140
184379939746,0cyclictest0-21swapper09:24:220
184379939633,0cyclictest19805-21swap07:09:550
1843799396122,0cyclictest1539-21cron08:19:140
184379939476,0cyclictest1631-21nscd09:19:140
1843799393123,0cyclictest0-21swapper10:34:520
184379939163,0cyclictest1466-21expr10:50:150
184379939095,0cyclictest0-21swapper08:25:020
184379939032,0cyclictest0-21swapper11:39:130
1843799389117,0cyclictest19922-21latency_hist12:19:240
184379938877,0cyclictest19677-21wc09:40:570
184379938835,0cyclictest25062-21timerandwakeup10:06:010
184379938763,0cyclictest28450-21munin-node07:50:590
184379938733,0cyclictest47-21kswapd007:55:030
184379938660,0cyclictest5910-21cron08:39:150
184379938477,0cyclictest0-21swapper11:02:320
184379938475,0cyclictest18143-21df09:35:090
184379938355,0cyclictest12066-21latency09:06:010
184379938330,0cyclictest7830-21runrttasks11:23:270
184379938237,0cyclictest0-21swapper11:54:140
1843799382107,0cyclictest1086-21cron10:49:130
184379938035,0cyclictest25587-21mailstats10:09:310
184379937859,0cyclictest15014-21kernelversion11:56:020
184379937733,0cyclictest0-21swapper07:06:120
184379937341,0cyclictest893-21jbd2/sda1-808:09:240
184379936651,0cyclictest0-21swapper08:19:350
184379936332,0cyclictest32750-21cron10:44:130
1843799363127,0cyclictest0-21swapper10:20:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional