You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-05-31 - 07:05

x86 AMD Geode @500 MHz, Linux 4.9.47-rt37-geode (Profile)

Latency plot of system in rack #4, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
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 50 highest latencies:
System rack4slot3.osadl.org (updated Wed May 31, 2023 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6484210614,79sleep06487-21aten_r4power_cu01:11:100
2316210618,16sleep030400-21cyclictest23:16:560
24665210313,16sleep024667-21irqstats00:26:300
2198210314,16sleep02229-21awk00:56:450
28391210114,16sleep028402-21sort00:36:580
6826210014,20sleep06859-21grep23:31:350
4876210014,17sleep04877-21entropy21:46:180
507929914,16sleep05092-21forks01:06:200
478729914,18sleep04805-21cut20:06:210
2456729914,16sleep024575-21munin-node22:46:290
1683129914,16sleep016841-21ls20:41:570
336929814,16sleep03370-21iostat_ios20:01:330
2772229814,15sleep027730-21kernelversion21:16:330
2109929814,15sleep021107-21munin-node22:36:210
1613629814,15sleep016142-21munin-node00:01:120
3114429714,15sleep031158-21iostat00:46:310
2341929714,24sleep023420-21users21:02:010
1364629714,16sleep013660-21ls22:11:590
1354829714,70sleep013568-21timerandwakeup20:31:580
973829514,16sleep09741-21df_inode22:01:200
3048629514,16sleep030494-21munin-plugin-st23:05:510
2438329514,15sleep024387-21hddtemp_smartct21:06:230
2144929514,16sleep021447-21ntp_states20:56:500
994829414,16sleep09957-21memory20:21:360
662429414,16sleep06627-21iostat20:11:320
2652029414,15sleep026537-21which22:51:510
2247529414,16sleep022482-21munin-run00:20:520
1967929415,15sleep019706-21if_eth022:31:500
835429313,15sleep08358-21hddtemp_smartct23:36:260
30401999314,69cyclictest32577-21munin-node00:51:220
3261929213,15sleep032623-21uname19:51:380
30401999214,68cyclictest4814-21munin-node23:26:100
2296029214,15sleep022987-21latency22:41:370
1806229214,15sleep018093-21missed_timers20:46:330
1505529214,16sleep014488-21munin-node23:56:370
2001429114,16sleep020012-21ntp_states00:11:440
1961329114,16sleep019616-21iostat_ios20:51:360
1494429114,16sleep014940-21ntp_states20:36:420
1435629113,15sleep014365-21munin-run23:55:510
1168429114,16sleep011687-21iostat_ios23:46:330
1148029114,15sleep011483-21iostat20:26:260
69929014,15sleep032140-21munin-node21:32:000
400229014,62sleep04028-21sendmail_mailst01:01:510
3105729014,15sleep031060-21iostat_ios23:06:330
30401999015,66cyclictest24128-21latency_hist00:25:530
30401999014,66cyclictest31322-21smart_hda21:26:460
2607329014,16sleep026076-21df_inode00:31:250
30401998914,66cyclictest27460-21runrttasks22:56:120
30401998914,65cyclictest11619-21kernelversion22:06:330
145328815,16sleep01456-21df_inode19:56:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional