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2023-05-30 - 22:12

x86 Intel Atom E640 @1000 MHz, Linux 3.18.11-rt7 (Profile)

Latency plot of system in rack #9, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 all highest latencies:
System rack9slot4.osadl.org (updated Tue May 30, 2023 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14351199171sleep0-21swapper/102:00:251
1846991229cyclictest0-21swapper/004:06:290
1846991213cyclictest30247-21/usr/sbin/munin03:31:110
1846991213cyclictest19601-21/usr/sbin/munin02:56:170
1846991199cyclictest0-21swapper/002:21:040
1846991193cyclictest11052-21chrt04:15:440
1846991188cyclictest0-21swapper/004:01:160
1846991183cyclictest74-21mmcqd/003:30:440
1846991178cyclictest0-21swapper/006:00:480
1846991168cyclictest0-21swapper/003:20:430
1846991154cyclictest3444-21aten_r9power_vo07:21:080
1846991153cyclictest27270-21runrttasks03:21:130
1846991148cyclictest0-21swapper/002:40:420
1846991143cyclictest31076-21latency_hist07:05:490
1846991137cyclictest0-21swapper/005:46:190
18469911210cyclictest0-21swapper/002:11:030
1846991113cyclictest1-21systemd05:38:280
1846991108cyclictest0-21swapper/005:20:570
1846991107cyclictest0-21swapper/006:16:340
1846991103cyclictest26519-21latency_hist05:05:470
1846991103cyclictest17577-21grep06:21:150
1846991102cyclictest14964-21cat06:11:240
1846991102cyclictest14964-21cat06:11:240
18469911019cyclictest29507-21latency_hist07:00:490
1846991098cyclictest0-21swapper/007:16:210
1488110972sleep0-21swapper/002:00:280
1846991088cyclictest0-21swapper/004:20:450
1846991078cyclictest0-21swapper/003:50:440
1846991073cyclictest6325-21latency_hist07:30:500
1846991073cyclictest18748-21cat04:40:450
1846991069cyclictest0-21swapper/005:51:130
1846991068cyclictest0-21swapper/006:10:480
1846991068cyclictest0-21swapper/004:26:170
1846991063cyclictest4815-21latency_hist03:55:440
1846991063cyclictest11690-21if_can002:31:160
1846991063cyclictest11019-21latency_hist02:30:420
1846991053cyclictest21922-21aten_r9power_cu06:36:000
1846991048cyclictest0-21swapper/007:11:110
1846991048cyclictest0-21swapper/005:31:280
1846991048cyclictest0-21swapper/004:46:160
1846991048cyclictest0-21swapper/002:10:410
1846991043cyclictest24914-21latency_hist03:15:440
18469910414cyclictest24943-21latency_hist06:45:490
1846991033cyclictest20319-21latency_hist06:30:490
1846991023cyclictest3037-21runrttasks02:01:510
1846991018cyclictest0-21swapper/002:46:240
18469910160cyclictest0-21swapper/003:56:080
1846991003cyclictest27986-21latency_hist06:55:490
184699983cyclictest23353-21latency_hist04:55:460
184699977cyclictest21328-21gzip06:31:320
1846999643cyclictest10666-21head05:56:390
184699964cyclictest6950irq/18-mmc002:16:070
184699964cyclictest6950irq/18-mmc002:16:070
1846999550cyclictest6950irq/18-mmc005:20:470
184699942cyclictest16661-21kworker/u4:004:55:570
184699923cyclictest74-21mmcqd/005:15:460
1846999179cyclictest0-21swapper/002:50:590
184699913cyclictest13784-21unixbench_singl04:21:310
184699913cyclictest13784-21unixbench_singl04:21:310
184699908cyclictest0-21swapper/003:01:060
1846999049cyclictest6950irq/18-mmc005:10:460
1846999010cyclictest1727-21latency_hist03:45:440
184699887cyclictest6105-21kworker/u4:103:35:570
1846998811cyclictest0-21swapper/002:41:290
1846998810cyclictest1702-21latency_hist05:30:470
184699876cyclictest0-21swapper/003:06:140
184699858cyclictest0-21swapper/006:46:260
184699857cyclictest32625-21latency_hist07:10:500
184699855cyclictest74-21mmcqd/004:41:060
184699833cyclictest16787-21/usr/sbin/munin04:31:280
184699794cyclictest5519-21/usr/sbin/munin05:41:150
1847997153cyclictest26578-21/usr/sbin/munin03:21:241
1847997128cyclictest4933-21/usr/sbin/munin03:56:121
1847997055cyclictest16785-21unixbench_multi06:16:361
1847996932cyclictest8645-21/usr/sbin/munin04:06:141
21050680irq/18-spi_topc0-21swapper/104:20:011
1847996850cyclictest28087-21/usr/sbin/munin06:56:181
1847996829cyclictest4527-21users03:51:321
1847996829cyclictest22011-21/usr/sbin/munin03:06:021
1847996728cyclictest10407-21/usr/sbin/munin02:26:161
1847996727cyclictest284-21snmpd07:00:541
1847996629cyclictest23664-21/usr/sbin/munin03:11:011
1847996628cyclictest1679-21sshd03:45:141
1847996627cyclictest284-21snmpd04:22:091
1847996627cyclictest284-21snmpd04:22:091
1847996627cyclictest10692-21users05:56:391
1847996626cyclictest17538-21df_inode06:21:121
1847996625cyclictest8009-21/usr/sbin/munin05:51:191
1847996625cyclictest21250-21ntp_states03:01:221
1847996529cyclictest31210-21/usr/sbin/munin03:36:181
1847996528cyclictest30507-21ntp_states05:16:291
1847996528cyclictest28365-21df_inode05:11:081
1847996528cyclictest25615-21/usr/sbin/munin06:46:321
1847996528cyclictest23033-21users06:36:291
1847996528cyclictest2092-21diskstats05:31:101
1847996527cyclictest4203-21ntp_states07:21:291
1847996527cyclictest3506-21/usr/sbin/munin02:05:581
1847996527cyclictest31441-21diskstats07:06:101
1847996527cyclictest30510-21ntp_states03:31:201
1847996527cyclictest26715-21/usr/sbin/munin05:06:051
1847996527cyclictest15036-21ntp_states06:11:281
1847996527cyclictest15036-21ntp_states06:11:281
1847996526cyclictest9841-21diskstats04:11:081
1847996526cyclictest911-21irqstats07:11:211
1847996526cyclictest2126-21df02:01:131
1847996428cyclictest20364-21/usr/sbin/munin06:31:211
1847996428cyclictest15025-21grep04:26:251
1847996427cyclictest6742-21/usr/sbin/munin04:01:071
1847996427cyclictest27288-21memory06:51:281
1847996427cyclictest11356-21df06:01:151
1847996426cyclictest4023-21irqstats05:36:181
1847996426cyclictest25270-21df05:01:071
1847996426cyclictest2458-21irqstats07:16:221
1847996426cyclictest24298-21ntp_states06:41:241
1847996426cyclictest19086-21diskstats06:26:141
1847996426cyclictest17568-21df_inode02:51:021
1847996425cyclictest5382-21perl05:41:121
1847996425cyclictest4955-21/usr/sbin/munin02:11:291
1847996425cyclictest2694-21ntp_states03:46:231
1847996425cyclictest24209-21memory04:56:171
1847996425cyclictest22717-21ls04:51:211
1847996424cyclictest19125-21diskstats02:56:061
1847996328cyclictest4898-21/usr/sbin/munin07:26:191
1847996328cyclictest284-21snmpd02:19:461
1847996328cyclictest284-21snmpd02:19:461
1847996326cyclictest25318-21awk03:16:091
1847996325cyclictest19969-21users04:41:281
1847996325cyclictest17548-21df04:36:061
1847996325cyclictest16032-21diskstats02:46:051
1847996325cyclictest1125-21ntp_states05:26:241
1847996227cyclictest16554-21/usr/sbin/munin04:31:201
1847996226cyclictest284-21snmpd03:29:291
1847996225cyclictest32045-21ntp_states05:21:271
1847996225cyclictest13491-21ntp_states06:06:281
1847996225cyclictest11997-21ntp_states02:31:271
1847996224cyclictest15075-21ntp_states02:41:241
1847996147cyclictest8839-21/usr/sbin/munin02:21:171
1847996026cyclictest278-21avahi-daemon04:48:151
1847996023cyclictest7665-21sshd05:47:281
1847996020cyclictest0-21swapper/102:36:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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