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2021-12-03 - 08:21

Intel(R) Celeron(R) CPU G3900 @ 2.80GHz, 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 all highest latencies:
System rackcslot2.osadl.org (updated Thu Dec 02, 2021 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
751927055,10sleep00-21swapper/007:03:210
754326957,8sleep10-21swapper/107:03:361
205932620,0sleep10-21swapper/109:47:371
254642200,1sleep1796899cyclictest10:35:291
7968991816,1cyclictest14436-21ssh11:04:041
7968991716,0cyclictest10105-21ssh11:43:491
7968991710,0cyclictest0-21swapper/110:24:221
7967991717,0cyclictest26018-21ssh10:36:150
7967991716,1cyclictest15705-21ssh10:22:030
7968991616,0cyclictest7361-21ssh10:54:511
7968991616,0cyclictest0-21swapper/112:24:441
7968991616,0cyclictest0-21swapper/111:19:311
7968991615,1cyclictest3140-21ssh10:49:001
7968991610,6cyclictest0-21swapper/111:29:331
7968991610,6cyclictest0-21swapper/107:21:291
7967991611,4cyclictest21290-21kworker/0:112:00:390
7967991610,3cyclictest25020-21apt-get11:21:060
7967991610,1cyclictest0-21swapper/008:02:370
7968991515,0cyclictest9810-21ssh10:57:091
7968991515,0cyclictest0-21swapper/109:41:281
7968991515,0cyclictest0-21swapper/109:04:081
7968991515,0cyclictest0-21swapper/107:38:561
7968991515,0cyclictest0-21swapper/107:08:471
7968991512,2cyclictest17833-21apache209:13:191
7968991510,5cyclictest0-21swapper/111:34:041
7968991510,5cyclictest0-21swapper/108:55:321
7968991510,5cyclictest0-21swapper/108:03:141
7968991510,1cyclictest0-21swapper/112:30:371
7968991510,0cyclictest0-21swapper/111:25:031
7968991510,0cyclictest0-21swapper/109:00:221
7967991515,0cyclictest25273-21ssh09:13:510
7967991513,1cyclictest19542-21ntpq09:46:270
7967991511,4cyclictest23656-21kworker/0:011:03:190
7967991511,4cyclictest14563-21kworker/0:008:47:110
7967991511,4cyclictest14563-21kworker/0:007:42:030
7967991511,4cyclictest14563-21kworker/0:007:36:270
7967991511,4cyclictest14563-21kworker/0:007:35:350
7967991511,3cyclictest21290-21kworker/0:112:12:430
7967991510,5cyclictest0-21swapper/009:33:490
7967991510,5cyclictest0-21swapper/008:20:290
7967991510,5cyclictest0-21swapper/007:46:340
7967991510,4cyclictest32670-21kworker/0:209:28:550
7967991510,4cyclictest23656-21kworker/0:011:51:150
7967991510,4cyclictest23656-21kworker/0:011:39:190
7967991510,4cyclictest23656-21kworker/0:011:31:310
7967991510,4cyclictest23656-21kworker/0:011:00:510
7967991510,4cyclictest23656-21kworker/0:010:48:310
7967991510,4cyclictest23656-21kworker/0:010:33:310
7967991510,4cyclictest23656-21kworker/0:010:05:470
7967991510,4cyclictest21290-21kworker/0:112:26:470
7967991510,0cyclictest0-21swapper/011:14:230
7967991510,0cyclictest0-21swapper/008:24:400
796899147,0cyclictest24-21ksoftirqd/107:31:071
7968991414,0cyclictest28497-21ssh09:17:121
7968991414,0cyclictest24-21ksoftirqd/111:56:251
7968991414,0cyclictest0-21swapper/110:04:191
7968991413,1cyclictest29893-21apache_accesses12:11:191
7968991413,1cyclictest135-21jbd2/sda1-810:16:421
7968991412,2cyclictest17859-21apache212:16:161
7968991412,1cyclictest6811-21ssh09:31:271
7968991412,1cyclictest644-21nscd10:00:401
7968991412,1cyclictest24-21ksoftirqd/111:56:061
7968991412,1cyclictest1071-21runrttasks11:11:471
7968991411,2cyclictest17859-21apache212:34:181
7968991411,2cyclictest1071-21runrttasks10:42:591
7968991411,2cyclictest100050irq/100-eth0-rx11:06:261
7968991411,2cyclictest0-21swapper/110:36:191
7968991411,1cyclictest5906-21ssh11:37:481
7968991410,1cyclictest91rcu_preempt12:06:061
7968991410,1cyclictest32219-21kworker/u4:210:06:311
7968991410,1cyclictest16745-21kworker/u4:009:09:281
7967991411,3cyclictest32670-21kworker/0:209:38:350
7967991411,3cyclictest32670-21kworker/0:209:24:190
7967991411,3cyclictest23656-21kworker/0:011:49:030
7967991411,3cyclictest23656-21kworker/0:010:41:590
7967991411,3cyclictest23656-21kworker/0:010:17:070
7967991411,3cyclictest23656-21kworker/0:010:11:230
7967991411,3cyclictest23656-21kworker/0:010:06:190
7967991411,3cyclictest23656-21kworker/0:009:57:190
7967991411,3cyclictest14563-21kworker/0:009:07:150
7967991411,3cyclictest14563-21kworker/0:009:01:590
7967991411,3cyclictest14563-21kworker/0:007:51:310
7967991411,1cyclictest31799-21ssh11:29:410
7967991410,4cyclictest32670-21kworker/0:209:51:270
7967991410,4cyclictest32670-21kworker/0:209:43:390
7967991410,4cyclictest23656-21kworker/0:011:42:190
7967991410,4cyclictest23656-21kworker/0:011:22:510
7967991410,4cyclictest23656-21kworker/0:011:07:550
7967991410,4cyclictest21290-21kworker/0:112:17:150
7967991410,4cyclictest21290-21kworker/0:112:08:390
7967991410,4cyclictest19574-21kworker/0:107:11:190
7967991410,4cyclictest14563-21kworker/0:009:17:030
7967991410,4cyclictest14563-21kworker/0:008:56:350
7967991410,4cyclictest14563-21kworker/0:007:30:390
7967991410,4cyclictest14563-21kworker/0:007:30:390
7967991410,3cyclictest19574-21kworker/0:107:18:510
7967991410,0cyclictest0-21swapper/012:01:420
7968991312,1cyclictest99550irq/99-eth0-rx-07:47:551
7968991312,1cyclictest17964-21apache207:11:181
7968991312,1cyclictest0-21swapper/109:36:131
7968991311,2cyclictest100050irq/100-eth0-rx09:51:481
7968991311,2cyclictest100050irq/100-eth0-rx09:26:121
7968991311,1cyclictest847-21apache208:31:181
7968991311,1cyclictest6078-21awk08:21:491
7968991311,1cyclictest27949-21diskmemload12:07:231
7968991311,1cyclictest17833-21apache211:46:131
7968991311,1cyclictest17833-21apache208:26:281
7968991311,1cyclictest17833-21apache207:41:281
7968991311,1cyclictest100050irq/100-eth0-rx08:16:401
7968991310,3cyclictest0-21swapper/108:41:061
7968991310,3cyclictest0-21swapper/108:38:501
7968991310,3cyclictest0-21swapper/108:10:241
7968991310,2cyclictest99550irq/99-eth0-rx-07:16:281
7968991310,1cyclictest99550irq/99-eth0-rx-07:53:211
7968991310,1cyclictest32311-21ssh09:21:511
7968991310,1cyclictest20632-21ssh10:28:421
7968991310,1cyclictest0-21swapper/107:26:241
7968991310,1cyclictest0-21swapper/107:26:241
7968991310,0cyclictest0-21swapper/110:11:431
7967991313,0cyclictest0-21swapper/010:26:460
7967991312,1cyclictest99550irq/99-eth0-rx-08:32:270
7967991312,1cyclictest12093-21ssh12:31:120
7967991311,2cyclictest21290-21kworker/0:112:22:350
7967991311,1cyclictest306-21runrttasks08:07:040
7967991311,1cyclictest27665-21snmpd07:58:130
7967991311,1cyclictest17944-21apache207:21:210
7967991311,1cyclictest17833-21apache208:36:310
7967991310,3cyclictest23656-21kworker/0:010:51:070
7967991310,3cyclictest14563-21kworker/0:008:51:150
7967991310,3cyclictest14563-21kworker/0:008:44:230
7967991310,3cyclictest0-21swapper/008:26:500
7967991310,3cyclictest0-21swapper/008:11:340
7967991310,1cyclictest99550irq/99-eth0-rx-07:06:200
7968991210,1cyclictest0-21swapper/108:46:171
7968991210,1cyclictest0-21swapper/108:11:231
7968991210,1cyclictest0-21swapper/107:56:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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