You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-20 - 07:01
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Thu Nov 20, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3861231432,240sleep01356-21snmpd19:08:160
41319916233,89cyclictest29375-21if_eth022:55:290
4131991617,137cyclictest14328-21grep00:05:180
41319916028,111cyclictest9641-21/usr/sbin/munin21:40:150
4131991599,109cyclictest4614-21ntp_states19:10:450
41319915941,106cyclictest26889-21runrttasks20:39:420
41319915911,128cyclictest1356-21snmpd23:53:170
4131991587,92cyclictest12002-21apt-get21:52:100
41319915826,112cyclictest1424-21nginx00:24:160
41319915822,118cyclictest22132-21sshd22:28:040
41319915815,123cyclictest18662-21cat22:15:030
4131991579,129cyclictest20648-21chrt00:30:220
41319915726,89cyclictest804-21connmand20:07:070
41319915718,119cyclictest1424-21nginx19:50:260
4131991569,101cyclictest6095-21diskstats21:25:210
4131991567,93cyclictest24563-21grep22:35:420
4131991567,111cyclictest27742-21munin-run22:50:020
41319915630,83cyclictest14601-21sshd21:57:480
4131991558,110cyclictest1356-21snmpd21:14:510
41319915545,100cyclictest17675-21sshd00:18:470
41319915539,105cyclictest30969-21users23:00:490
4131991549,14cyclictest1424-21nginx23:58:290
4131991548,94cyclictest20993-21df20:15:170
4131991548,109cyclictest22533-21ntp_states00:36:110
41319915423,112cyclictest24620-21wget20:30:120
4131991537,109cyclictest3977-21awk21:15:490
4131991527,127cyclictest20113-21grep20:10:470
41319915210,123cyclictest1424-21nginx19:55:270
4131991518,90cyclictest22267-21df20:20:160
41319915173,62cyclictest101ktimersoftd/023:20:030
4131991517,109cyclictest1356-21snmpd19:24:230
4131991516,126cyclictest12635-21sshd19:43:190
41319915129,109cyclictest886-21tr21:05:130
4131991508,103cyclictest25483-21wget22:40:120
4131991507,107cyclictest28666-21ntpq20:45:340
4131991499,119cyclictest19208-21/usr/sbin/munin00:25:500
4131991498,103cyclictest18966-21fw_forwarded_lo22:15:270
4131991498,102cyclictest13362-21ntp_states00:00:440
4131991496,105cyclictest13930-21runrttasks19:48:460
41319914948,91cyclictest6238-21seq19:17:070
41319914922,110cyclictest10250irq/56-4a10000020:50:260
4131991488,99cyclictest7821-21systemctl23:40:020
4131991488,122cyclictest23113-21diskstats22:30:340
4131991488,120cyclictest5006-21ntp_kernel_pll_21:20:340
41319914855,73cyclictest10150irq/55-4a10000023:05:230
41319914830,107cyclictest9334-21grep19:30:190
4131991475,17cyclictest10452-21/usr/sbin/munin19:35:130
4131991469,97cyclictest28259-21ntp_states22:50:460
4131991466,119cyclictest8994-21sshd23:44:240
41319914623,107cyclictest17836-21apt-get20:05:030
41319914617,108cyclictest9525-21sendmail-msp21:40:020
4131991459,94cyclictest8352-21/usr/sbin/munin19:25:370
4131991459,101cyclictest16484-21fw_forwarded_lo22:05:250
4131991456,122cyclictest23948-21seq20:25:530
41319914527,106cyclictest1336-21runrttasks22:20:390
41319914526,100cyclictest2951-21/usr/sbin/munin23:20:110
41319914510,120cyclictest1801-21node23:28:560
4131991448,95cyclictest7371-21fw_forwarded_lo21:30:270
4131991448,117cyclictest1356-21snmpd23:10:280
4131991448,116cyclictest31191-21ntp_states20:55:420
4131991447,82cyclictest15407-21ntp_states22:00:420
4131991447,103cyclictest12004-21/usr/sbin/munin21:50:030
41319914229,100cyclictest32470-21ntpq21:00:440
4131991418,119cyclictest27065-21/usr/sbin/munin20:40:510
41319914130,99cyclictest15512-21tr00:10:140
4131991396,121cyclictest9720-21run-parts23:45:470
4131991379,114cyclictest5478-21cut23:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional