You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-08-27 - 14:40
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 100 highest latencies:
System rack7slot8.osadl.org (updated Tue Aug 26, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2984821032185,431sleep028920-21kworker/0:007:05:380
305269914171,36cyclictest31637-21diskstats09:20:240
305269912885,33cyclictest15485-21seq12:31:330
305269912679,36cyclictest17187-21apt-get08:25:510
305269912583,31cyclictest760-21systemd-journal12:36:530
305269912481,31cyclictest13543-21ntp_states10:16:090
305269912478,36cyclictest11361-21chrt12:15:340
305269912478,34cyclictest4387-21ntp_states09:40:380
305269912477,38cyclictest9304-21apt-get07:55:020
305269912474,40cyclictest3764-21df_inode11:45:330
305269912376,36cyclictest9304-21apt-get07:56:010
305269912376,36cyclictest832-21users09:25:510
305269911896,15cyclictest0-21swapper/007:10:030
305269911867,39cyclictest8826-21memory12:05:330
305269911782,23cyclictest31699-21apt11:30:020
305269911780,27cyclictest28444-21ntp_states11:15:410
305269911772,35cyclictest32002-21df11:30:180
305269911683,23cyclictest27326-21ps11:10:530
305269911680,25cyclictest11455-21ntp_states08:00:380
305269911674,32cyclictest760-21systemd-journal07:36:020
305269911667,39cyclictest1458-21seq11:37:340
305269911584,22cyclictest5484-21chrt09:45:310
305269911583,21cyclictest23293-21fw_conntrack10:55:260
305269911573,32cyclictest11471-21/usr/sbin/munin10:10:250
305269911569,34cyclictest25963-21ntp_states11:05:410
305269911567,37cyclictest521-21latency_hist07:20:010
305269911484,21cyclictest22914-21fw_forwarded_lo08:45:290
305269911482,23cyclictest7137-21df_inode07:45:200
305269911473,31cyclictest2253-21irqstats07:25:310
305269911471,33cyclictest20450-21if_eth008:35:340
305269911469,35cyclictest6323-21memory11:55:340
305269911468,34cyclictest24311-21ntp_states08:50:420
305269911382,21cyclictest1356-21snmpd07:40:320
305269911381,23cyclictest14675-21cut08:15:020
305269911372,34cyclictest15981-21wc08:20:030
305269911366,36cyclictest1356-21snmpd10:46:490
305269911283,19cyclictest17187-21apt-get08:25:020
305269911281,22cyclictest8851-21munin-run10:00:010
305269911267,34cyclictest6709-21fw_conntrack09:50:240
305269911182,20cyclictest10378-21threads12:10:500
305269911177,24cyclictest21670-21fw_forwarded_lo08:40:270
305269911175,24cyclictest9806-21seq10:02:300
305269911175,24cyclictest20040-21chrt08:34:570
305269911159,41cyclictest29121-21diskstats09:10:250
305269911081,20cyclictest1336-21runrttasks09:30:460
305269911080,20cyclictest1356-21snmpd10:30:430
305269911079,21cyclictest16101-21ps10:25:440
305269911078,22cyclictest26286-21munin-run09:00:000
305269911078,21cyclictest12625-21memory08:05:350
305269911072,25cyclictest19546-21/usr/sbin/munin10:40:230
305269911068,33cyclictest3394-21df07:30:230
305269910979,20cyclictest29936-21users11:20:500
305269910977,22cyclictest26655-21fw_conntrack09:00:300
305269910974,26cyclictest10417-21df_inode10:05:190
305269910973,24cyclictest3039-21irqstats09:35:340
305269910877,22cyclictest880-21df_inode07:20:210
305269910875,22cyclictest28250-21threads09:05:470
305269910776,21cyclictest21878-21chrt10:50:170
305269910678,19cyclictest3041-21http11:45:040
305269910676,21cyclictest18419-21netstat10:35:360
305269910674,20cyclictest14735-21/usr/sbin/munin10:20:380
305269910672,22cyclictest1-21systemd12:00:300
305269910574,21cyclictest12336-21/usr/sbin/munin12:20:150
305269910477,19cyclictest30761-21users09:15:500
305269910474,21cyclictest5206-21awk11:50:470
305269910473,20cyclictest13929-21ntp_states12:25:420
305269910374,20cyclictest24811-21open_files11:01:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional