You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 18:38

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #4

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackfslot4s.osadl.org (updated Thu Nov 27, 2025 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1070021150,3chrt9191-21/usr/sbin/munin07:56:290
698421140,2sleep06986-21cpu11:50:350
3129921130,2chrt31298-21grep11:35:520
2032221130,3chrt20319-21cat07:11:260
3133021080,3chrt31331-21ssh09:38:480
3238721050,2chrt32388-21grep09:40:490
2817121030,2chrt28172-21sh09:33:060
1570721020,2chrt15709-21irqrtprio09:11:060
166392940,2sleep016640-21munin-run08:10:010
143392830,2sleep014340-21cat12:03:030
255122750,2sleep025513-21ssh12:23:110
203562710,2sleep020353-21ps10:17:100
93292670,2sleep09330-21/usr/sbin/munin10:56:140
40192630,2sleep04022-21aten2.4_rfpower11:45:320
82462600,1sleep08247-21cut09:55:500
204712600,1sleep020472-21mii-tool11:16:070
56682560,2sleep05671-21kernelversion08:50:470
191952563,7sleep019199-21ntpq12:11:410
150522564,9sleep015054-21users10:07:220
126422552,6sleep012643-21memory08:00:480
290312540,1sleep029032-21kernelversion11:31:110
320442522,7sleep032029-21ssh12:35:150
175542522,6sleep017561-21ssh11:10:570
262712500,5chrt26269-21/usr/sbin/munin11:26:100
34252490,3sleep03415-21ntpq09:46:310
238552492,7sleep023934-21sh07:20:030
278192483,38sleep027854-21grep10:31:010
18767904817,23cyclictest0-21swapper10:22:570
18767904817,22cyclictest0-21swapper10:27:340
18767904717,21cyclictest0-21swapper11:09:400
184902473,35sleep018494-21sleep10:14:350
18767904617,22cyclictest0-21swapper09:29:060
168242460,3chrt16822-21/usr/sbin/munin12:07:130
1725624510,19sleep017266-21ntpq07:05:420
1876790446,10cyclictest23407-21ntp_states08:21:500
18767904417,18cyclictest869-21snmpd10:50:250
18767904414,24cyclictest0-21swapper12:19:460
18767904414,22cyclictest0-21swapper09:23:270
18767904413,22cyclictest0-21swapper10:00:100
190962432,6sleep019094-21ssh09:16:500
1876790436,10cyclictest10999-21ntp_states09:01:070
1876790435,11cyclictest1307-21ntpq10:41:170
1876790434,11cyclictest3481-21ntpq08:46:190
18767904320,16cyclictest0-21swapper11:24:440
18767904316,10cyclictest17156-21fschecks_count08:10:330
18767904314,22cyclictest0-21swapper11:58:130
312332421,5sleep00-21swapper07:34:300
1876790425,29cyclictest25800-21runrttasks08:26:150
1876790425,10cyclictest4963-21irqstats07:45:440
1876790424,20cyclictest27646-21ntp_states07:26:160
18767904219,16cyclictest0-21swapper11:03:210
18767904219,14cyclictest0-21swapper12:33:160
18767904217,18cyclictest5342-21df_inode09:50:410
18767904212,11cyclictest4555-21collect210:47:150
1876790417,16cyclictest761-21ntpq08:40:550
1876790414,18cyclictest30125-21hddtemp_smartct08:35:350
18767904119,16cyclictest0-21swapper11:42:440
18767904116,19cyclictest27550-21irqstats12:26:470
18767904114,21cyclictest0-21swapper08:16:290
1876790406,16cyclictest1941-21df07:40:310
1876790404,19cyclictest9087-21sshd08:57:330
1876790404,10cyclictest32335-21ssh10:39:360
18767904016,18cyclictest13934-21chrt09:06:350
1876790395,27cyclictest28226-21ld08:31:040
1876790393,9cyclictest7010-21diskstats07:50:350
18767903915,19cyclictest0-21swapper07:36:400
18767903812,18cyclictest0-21swapper07:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional