You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2022-08-09 - 00:00

x86 Intel Celeron G3900 @2800 MHz, Linux 4.16.15-rt7 (Profile)

Latency plot of system in rack #c, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h200 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rackcslot2.osadl.org (updated Mon Aug 08, 2022 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3272927057,8sleep10-21swapper/107:04:461
3275426451,8sleep00-21swapper/007:05:020
92699189,2cyclictest7-21ksoftirqd/009:19:190
92699188,3cyclictest7-21ksoftirqd/011:19:210
926991810,2cyclictest7-21ksoftirqd/010:49:240
163162180,0sleep00-21swapper/010:41:270
92699179,3cyclictest7-21ksoftirqd/009:49:300
92699179,2cyclictest7-21ksoftirqd/010:56:590
92699179,2cyclictest32168-21apache_accesses08:29:150
92699179,2cyclictest28499-21apache_processe12:34:200
92699178,2cyclictest7-21ksoftirqd/012:29:210
927991616,0cyclictest27251-21ssh12:31:401
927991616,0cyclictest21558-21ssh12:23:241
927991616,0cyclictest0-21swapper/109:09:301
927991615,1cyclictest27298-21ssh10:10:161
927991611,4cyclictest24715-21kworker/1:111:38:531
927991610,6cyclictest0-21swapper/112:02:521
927991610,6cyclictest0-21swapper/108:19:231
927991610,5cyclictest10785-21kworker/1:007:40:011
927991610,0cyclictest0-21swapper/109:57:241
92699169,3cyclictest7-21ksoftirqd/007:49:170
92699169,2cyclictest9430-21apache_processe08:54:150
92699169,2cyclictest7-21ksoftirqd/011:59:190
92699169,2cyclictest5600-21apache_volume08:44:170
92699169,2cyclictest3090-21df_inode11:09:200
92699169,2cyclictest29970-21ntp_states10:14:270
92699169,2cyclictest29041-21ntp_states10:59:250
92699169,2cyclictest27108-21apache_processe11:44:170
92699169,2cyclictest26388-21apache_volume08:14:150
92699169,2cyclictest19633-21ntp_states12:19:250
92699169,2cyclictest17629-21apache_volume10:44:170
92699169,2cyclictest15500-21apache_volume12:14:180
92699169,2cyclictest10987-21diskstats10:34:250
92699169,1cyclictest7-21ksoftirqd/011:42:220
92699167,2cyclictest3357-21dump-pmu-power10:24:020
92699167,1cyclictest91rcu_preempt09:34:210
926991610,3cyclictest7-21ksoftirqd/012:04:230
926991610,3cyclictest7-21ksoftirqd/009:54:160
926991610,3cyclictest7-21ksoftirqd/009:04:180
927991515,0cyclictest0-21swapper/111:56:211
927991515,0cyclictest0-21swapper/110:24:081
927991515,0cyclictest0-21swapper/109:05:171
927991514,1cyclictest24261-21ssh09:19:561
927991514,1cyclictest0-21swapper/110:16:171
927991510,5cyclictest0-21swapper/107:56:181
927991510,4cyclictest25090-21kworker/1:107:33:011
927991510,0cyclictest0-21swapper/108:49:251
927991510,0cyclictest0-21swapper/107:44:461
92699159,3cyclictest7-21ksoftirqd/010:28:330
92699159,3cyclictest7-21ksoftirqd/009:39:220
92699159,2cyclictest8720-21apache_volume07:29:180
92699159,2cyclictest7-21ksoftirqd/009:44:250
92699159,2cyclictest7-21ksoftirqd/008:39:170
92699159,2cyclictest7-21ksoftirqd/008:24:160
92699159,2cyclictest24442-21apache_accesses08:09:170
92699159,1cyclictest7-21ksoftirqd/009:09:490
92699158,2cyclictest7-21ksoftirqd/008:59:160
92699158,2cyclictest7-21ksoftirqd/008:34:180
92699158,2cyclictest7-21ksoftirqd/007:44:210
92699158,2cyclictest7-21ksoftirqd/007:09:270
92699158,2cyclictest6623-21hddtemp_smartct11:14:200
92699158,2cyclictest2912-21apache_accesses07:14:170
92699158,2cyclictest23305-21ntp_states08:04:280
92699158,2cyclictest21361-21ntp_states07:59:250
92699158,2cyclictest20169-21apache_accesses11:34:190
92699158,2cyclictest1909-21hddtemp_smartct11:54:210
92699158,2cyclictest16986-21df_inode11:29:210
92699158,1cyclictest12665-21irqstats12:09:240
92699155,1cyclictest7-21ksoftirqd/009:29:210
926991515,0cyclictest0-21swapper/011:52:400
926991510,5cyclictest0-21swapper/010:31:260
926991510,3cyclictest7-21ksoftirqd/009:17:210
926991510,2cyclictest7-21ksoftirqd/011:24:250
926991510,2cyclictest28325-21apache_processe08:19:130
927991414,0cyclictest27885-21ssh09:25:211
927991414,0cyclictest22571-21ssh10:49:341
927991414,0cyclictest15171-21ssh12:13:511
927991414,0cyclictest0-21swapper/110:42:291
927991414,0cyclictest0-21swapper/110:02:251
927991414,0cyclictest0-21swapper/109:40:421
927991414,0cyclictest0-21swapper/109:36:421
927991414,0cyclictest0-21swapper/108:34:291
927991414,0cyclictest0-21swapper/107:24:341
927991414,0cyclictest0-21swapper/107:21:571
927991412,1cyclictest596-21lldpd08:18:151
927991412,1cyclictest25675-21runrttasks11:41:051
927991412,1cyclictest171-21systemd-journal10:45:341
927991412,1cyclictest10847-21apache208:25:141
927991412,1cyclictest10818-21apache208:47:161
927991412,1cyclictest0-21swapper/108:39:251
927991411,2cyclictest93750irq/100-eth0-rx11:31:291
927991411,2cyclictest10847-21apache211:05:561
927991411,2cyclictest10847-21apache210:30:391
927991411,2cyclictest10818-21apache212:24:061
927991411,2cyclictest10818-21apache212:05:021
927991410,1cyclictest12971-21ssh09:49:491
927991410,1cyclictest0-21swapper/109:30:041
927991410,0cyclictest0-21swapper/109:46:371
92699149,3cyclictest7-21ksoftirqd/011:05:510
92699149,3cyclictest7-21ksoftirqd/010:02:220
92699149,2cyclictest7-21ksoftirqd/010:10:240
92699149,2cyclictest4863-21apache_volume07:19:190
92699148,0cyclictest26210-21apache_accesses09:24:180
92699145,1cyclictest7-21ksoftirqd/010:04:060
3239321410,3sleep10-21swapper/108:29:181
927991313,0cyclictest0-21swapper/110:54:271
927991313,0cyclictest0-21swapper/107:52:021
927991312,1cyclictest597-21avahi-daemon10:34:421
927991311,2cyclictest30255-21apache207:18:311
927991311,1cyclictest93650irq/99-eth0-rx-11:49:061
927991311,1cyclictest798-21apache208:08:431
927991311,1cyclictest798-21apache207:34:061
927991311,1cyclictest608-21systemd-logind11:14:441
927991311,1cyclictest19373-21fschecks_count09:14:221
927991311,1cyclictest15071-21sh11:25:241
927991311,1cyclictest10847-21apache211:19:261
927991311,1cyclictest10818-21apache210:59:161
927991310,3cyclictest0-21swapper/111:09:201
927991310,2cyclictest27551-21kworker/1:012:14:211
927991310,2cyclictest27086-21ssh11:44:131
927991310,1cyclictest28492-21/usr/sbin/munin12:34:211
927991310,1cyclictest0-21swapper/110:19:171
927991310,1cyclictest0-21swapper/110:04:481
92699138,2cyclictest7-21ksoftirqd/007:39:530
92699138,1cyclictest7139-21hddtemp_smartct07:24:220
92699132,10cyclictest93650irq/99-eth0-rx-07:34:030
926991313,0cyclictest0-21swapper/007:58:250
926991312,1cyclictest798-21apache212:25:300
927991211,1cyclictest10847-21apache208:54:121
927991210,1cyclictest951-21dpkg07:09:051
927991210,1cyclictest93650irq/99-eth0-rx-07:59:031
927991210,1cyclictest24485-21cpu08:09:191
927991210,1cyclictest0-21swapper/108:59:191
926991210,1cyclictest0-21swapper/008:49:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional