You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-16 - 12:46
Click here to display the system's profile data.
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 the 376 highest latencies:
System rackfslot4.osadl.org (updated Tue Apr 16, 2024 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
845521370,2sleep08457-21irqrtprio23:21:470
1853121210,2chrt18532-21sh22:41:420
337421190,2chrt3376-21if_err_eth220:15:410
2931521180,2chrt29314-21tune2fs21:06:280
683021110,4chrt6831-21ssh21:24:040
1878521080,2chrt18786-21sleep23:40:270
225021070,2chrt2251-21sleep00:07:440
2776821030,2chrt27769-21sleep21:02:390
1240121010,2chrt11996-21apt-get19:30:170
128992940,2sleep012903-21latency_hist23:30:030
28572900,2sleep02858-21cut19:10:410
57332880,2sleep05735-21latency_hist00:15:000
147872870,1sleep014788-21cut22:35:550
301222860,3chrt30034-21apt-get00:00:320
233282840,2sleep023329-21ssh21:52:490
237982800,1sleep023799-21fschecks_time20:55:330
244422700,2sleep024443-21apt-config23:50:160
114622660,1sleep011463-21ld21:31:490
66152650,1sleep06616-21cat00:16:020
17612650,1sleep01764-21aten2_rfpower_c23:10:310
190152640,1sleep019017-21load20:45:500
159842630,1sleep015986-21cut20:40:340
91982603,8sleep09205-21hddtemp_smartct22:25:550
133682574,45sleep013364-21diskstats23:30:490
79822565,7sleep07984-21memory19:20:450
115652554,41sleep011562-21ntpq20:31:060
154602530,2sleep015461-21ls20:40:030
239722503,39sleep023978-21ntpq22:51:250
68192493,38sleep06823-21irqstats22:21:130
141932492,6sleep014196-21ssh21:36:390
96152483,34sleep09597-21apt-get19:25:110
186882484,36sleep018585-21apt-get21:45:340
1849904717,23cyclictest0-21swapper21:29:060
269972463,35sleep027003-21ntpq22:57:010
1849904617,22cyclictest0-21swapper21:15:110
1849904517,21cyclictest0-21swapper19:15:200
1849904516,21cyclictest0-21swapper22:09:520
296372442,34sleep029641-21ssh22:04:560
1849904417,20cyclictest32675-21sh23:06:490
1849904415,22cyclictest0-21swapper22:33:210
1849904414,21cyclictest0-21swapper23:48:120
3227824310,20sleep032283-21hddtemp_smartct19:05:240
286102430,3chrt28608-21ld20:00:460
184990435,19cyclictest18194-21sshd21:44:240
1849904316,20cyclictest20909-21runrttasks20:50:230
1849904313,23cyclictest0-21swapper00:38:590
184990427,16cyclictest32021-21ssh21:11:080
184990426,10cyclictest12181-21df_inode00:26:090
184990424,10cyclictest5689-21df_inode20:20:280
1849904214,21cyclictest0-21swapper21:59:380
1849904214,21cyclictest0-21swapper00:33:260
1849904210,16cyclictest29940-21ssh23:02:120
184990415,28cyclictest9648-21ssh00:21:060
184990415,10cyclictest5558-21ssh23:16:220
1849904112,22cyclictest0-21swapper23:39:130
1849904020,14cyclictest0-21swapper23:57:260
1849904015,19cyclictest4414-21ssh22:17:010
1849904015,19cyclictest21408-21sh22:46:560
184990396,11cyclictest22520-21apt-get19:50:090
184990393,9cyclictest20431-21perl19:45:310
1849903914,9cyclictest8484-21if_eth020:25:410
1849903913,20cyclictest0-21swapper20:10:140
1849903913,10cyclictest16170-21processes19:36:180
1849903910,12cyclictest25299-21cpu19:55:190
184990384,14cyclictest30465-21df_inode20:05:220
1849903815,16cyclictest548-21df22:10:400
1849903813,17cyclictest18522-21ntpq19:40:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional