You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 22:48
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 Tue Dec 02, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3206218621,50sleep03210-21df_inode07:05:200
41959915162,51cyclictest1336-21runrttasks11:05:260
41959914762,35cyclictest1356-21snmpd07:57:090
41959914361,33cyclictest27331-21apt-get10:47:090
41959914169,37cyclictest1356-21snmpd09:50:470
41959914168,33cyclictest29722-21df08:45:200
41959914166,23cyclictest17654-21df10:05:190
41959914076,48cyclictest1356-21snmpd09:30:380
41959914068,54cyclictest1356-21snmpd10:55:550
41959914067,55cyclictest1356-21snmpd10:02:120
41959914066,52cyclictest760-21systemd-journal10:53:200
41959914063,35cyclictest760-21systemd-journal11:12:190
41959913963,21cyclictest32409-21ntp_states08:55:420
41959913865,52cyclictest9543-21/usr/sbin/munin07:30:040
41959913769,34cyclictest6676-21apt-get07:18:160
41959913767,35cyclictest30978-21diskstats08:50:220
41959913760,37cyclictest19853-21sshd12:21:320
41959913760,35cyclictest18689-21ntp_states08:00:400
41959913672,44cyclictest1424-21nginx11:01:300
41959913668,46cyclictest815-21rs:main0
41959913667,49cyclictest16563-21gpgv07:55:060
41959913664,35cyclictest1356-21snmpd09:55:470
41959913663,53cyclictest15693-21/usr/sbin/munin12:05:340
41959913663,35cyclictest1356-21snmpd08:10:110
41959913662,36cyclictest1034-21sshd09:00:200
41959913569,25cyclictest8141-21fw_forwarded_lo11:35:290
41959913565,34cyclictest1356-21snmpd09:10:300
41959913565,32cyclictest24004-21munin-run12:40:050
41959913561,52cyclictest1356-21snmpd12:11:240
41959913561,22cyclictest7563-21ntp_states07:20:370
41959913558,21cyclictest9541-21apt-get07:32:110
41959913472,45cyclictest11525-21latency_hist11:50:030
41959913470,20cyclictest11846-21diskstats11:50:200
41959913466,46cyclictest27236-21/usr/sbin/munin08:35:250
41959913364,34cyclictest1356-21snmpd08:20:120
41959913363,35cyclictest1356-21snmpd10:10:540
41959913358,35cyclictest5534-21wget11:25:170
41959913269,48cyclictest792-21haveged08:15:120
41959913264,50cyclictest4579-21chrt11:20:440
41959913264,34cyclictest8234-21apt09:30:010
41959913261,34cyclictest20784-21ntp_states12:25:410
41959913166,22cyclictest13083-21df_inode11:55:200
41959913161,33cyclictest6184-21memory09:20:360
41959913067,26cyclictest14518-21ntpq12:00:380
41959913057,34cyclictest1356-21snmpd10:25:580
41959912967,21cyclictest12396-21irqstats09:45:330
41959912965,43cyclictest20142-21df10:15:210
41959912964,45cyclictest25161-21runrttasks10:35:250
41959912953,22cyclictest11694-21ntp_states07:35:470
41959912865,21cyclictest1336-21runrttasks11:17:130
41959912860,34cyclictest15295-21latency_hist07:50:020
41959912858,51cyclictest7040-21/usr/sbin/munin11:30:370
41959912764,20cyclictest9766-21sort09:35:180
41959912680,35cyclictest21871-21fw_forwarded_lo12:30:280
41959912674,41cyclictest27380-21https10:45:060
41959912666,39cyclictest815-21rs:main0
41959912664,20cyclictest24736-21df_inode08:25:190
41959912658,37cyclictest1356-21snmpd12:16:240
41959912650,22cyclictest21632-21ntp_states10:20:460
419599126104,13cyclictest0-21swapper/007:10:030
41959912571,41cyclictest1356-21snmpd08:05:090
41959912560,33cyclictest26058-21fw_conntrack08:30:480
41959912474,37cyclictest1356-21snmpd08:40:180
41959912352,35cyclictest9548-21ntp_states11:40:390
41959912271,40cyclictest1356-21snmpd09:05:290
41959912269,41cyclictest1356-21snmpd09:40:430
41959912251,34cyclictest24003-21irqstats10:30:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional