You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-11 - 23:50
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 376 highest latencies:
System rack7slot8.osadl.org (updated Fri Jul 11, 2025 14:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1090129760,12sleep010900-21sh07:10:000
10969991697,16cyclictest15729-21diskstats09:35:220
10969991697,14cyclictest31972-21latency_hist10:40:030
109699916850,99cyclictest30275-21basename10:31:330
109699916325,117cyclictest1356-21snmpd09:40:350
109699916220,123cyclictest760-21systemd-journal12:32:250
109699916131,110cyclictest1356-21snmpd07:16:220
109699916120,121cyclictest792-21haveged08:10:030
10969991606,20cyclictest12029-21apt-get11:32:120
109699916030,98cyclictest1356-21snmpd09:01:070
10969991599,131cyclictest7359-21diskstats11:10:220
10969991597,15cyclictest14897-21apt-get11:42:120
109699915927,113cyclictest10250irq/56-4a10000011:26:220
10969991589,21cyclictest8590-21df_inode11:15:200
109699915735,104cyclictest4825-21runrttasks08:53:120
109699915673,65cyclictest101ktimersoftd/012:25:440
109699915640,103cyclictest22133-21ntpq10:00:370
109699915622,117cyclictest18228-21runrttasks09:45:210
10969991559,18cyclictest24623-21ntp_states10:10:420
109699915536,106cyclictest25738-21if_err_eth012:21:060
109699915528,109cyclictest10250irq/56-4a10000007:25:270
10969991547,16cyclictest1207-21/usr/sbin/munin10:45:330
109699915440,103cyclictest30500-21ntpq08:25:360
109699915440,101cyclictest28366-21ntpq10:25:380
109699915433,110cyclictest23482-21tr12:11:230
109699915410,18cyclictest14598-21memory09:30:350
109699915410,15cyclictest0-21swapper/009:26:000
10969991538,15cyclictest27141-21ntp_states10:20:430
10969991537,17cyclictest442-21memory08:35:320
10969991537,14cyclictest19122-21diskstats07:40:220
109699915323,109cyclictest23223-21mailstats07:55:520
10969991528,124cyclictest10118-21ntp_states11:21:150
109699915226,109cyclictest10250irq/56-4a10000012:36:420
10969991518,17cyclictest1356-21snmpd07:30:440
10969991518,15cyclictest5374-21diskstats08:55:250
10969991518,123cyclictest11806-21/usr/sbin/munin09:20:370
109699915123,112cyclictest17998-21wget11:50:510
109699915110,18cyclictest6002-21cut11:05:150
10969991509,18cyclictest32504-21ntp_states10:40:430
10969991508,17cyclictest3518-21wget10:55:380
109699915026,112cyclictest11679-21diskstats07:10:370
109699915022,115cyclictest17869-21chrt07:35:230
109699915012,13cyclictest10250irq/56-4a10000012:05:230
10969991499,18cyclictest15060-21latency_hist07:25:020
10969991497,15cyclictest9815-21/usr/sbin/munin09:10:490
10969991496,18cyclictest1356-21snmpd08:31:000
109699914925,107cyclictest1424-21nginx11:01:200
109699914914,21cyclictest1356-21snmpd09:16:120
10969991488,19cyclictest1356-21snmpd09:51:200
109699914837,101cyclictest19363-21fw_conntrack11:55:260
109699914824,105cyclictest21922-21sendmail_mailqu07:50:520
10969991479,20cyclictest3625-21chrt08:48:300
10969991478,17cyclictest27849-21fw_forwarded_lo08:15:290
109699914724,112cyclictest29278-21sshd08:20:410
10969991466,20cyclictest1356-21snmpd11:46:490
10969991458,109cyclictest792-21haveged12:17:340
10969991448,16cyclictest1356-21snmpd08:41:040
10969991448,16cyclictest1356-21snmpd08:00:540
10969991447,16cyclictest26242-21apt-get10:17:080
10969991446,14cyclictest20497-21/usr/sbin/munin09:55:370
109699914420,112cyclictest23050-21wget10:05:140
10969991435,114cyclictest2701-21/usr/sbin/munin10:50:490
109699914228,104cyclictest26646-21sshd08:10:300
109699914225,106cyclictest14234-21runrttasks11:36:160
10969991409,18cyclictest8359-21memory09:05:340
109699914024,107cyclictest1356-21snmpd07:45:500
109699913920,107cyclictest20792-21ntp_states12:00:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional