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2024-04-24 - 10:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackcslot2.osadl.org (updated Wed Apr 24, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2066127261,7sleep00-21swapper/019:04:050
2069426957,8sleep10-21swapper/119:04:271
75622630,0sleep00-21swapper/021:13:360
28572620,0sleep10-21swapper/100:16:101
311702200,1sleep00-21swapper/022:35:110
20925991716,1cyclictest26120-21ssh22:26:371
20924991717,0cyclictest0-21swapper/019:25:210
266392160,0sleep10-21swapper/100:03:481
20925991616,0cyclictest23320-21ssh22:23:001
20925991615,1cyclictest28681-21ssh23:18:451
20925991615,1cyclictest24506-21ssh21:37:201
20925991611,2cyclictest12206-21ssh22:06:011
20925991610,6cyclictest0-21swapper/122:41:061
20924991611,4cyclictest21337-21kworker/0:023:41:110
20924991610,6cyclictest0-21swapper/021:00:480
20925991515,0cyclictest0-21swapper/123:36:171
20925991515,0cyclictest0-21swapper/121:29:011
20925991515,0cyclictest0-21swapper/100:28:461
20925991514,1cyclictest2175-21ssh23:26:231
20925991510,5cyclictest0-21swapper/123:21:051
20925991510,5cyclictest0-21swapper/122:56:291
20925991510,5cyclictest0-21swapper/119:15:431
20925991510,0cyclictest0-21swapper/121:59:551
20925991510,0cyclictest0-21swapper/121:00:571
20924991515,0cyclictest0-21swapper/020:45:190
20924991511,4cyclictest21337-21kworker/0:023:39:050
20924991510,4cyclictest6832-21kworker/0:019:49:330
20924991510,4cyclictest21337-21kworker/0:023:22:550
20924991510,0cyclictest0-21swapper/020:00:220
20924991510,0cyclictest0-21swapper/019:20:170
120032150,0sleep00-21swapper/000:30:130
2986321410,3sleep10-21swapper/100:09:401
2986321410,3sleep10-21swapper/100:09:401
250921410,3sleep00-21swapper/021:05:360
20925991414,0cyclictest9534-21threads20:00:221
20925991414,0cyclictest22445-21ssh23:55:571
20925991414,0cyclictest20156-21ssh22:18:421
20925991414,0cyclictest0-21swapper/123:42:201
20925991414,0cyclictest0-21swapper/122:45:181
20925991414,0cyclictest0-21swapper/120:30:331
20925991414,0cyclictest0-21swapper/119:48:171
20925991413,1cyclictest19575-21ssh23:52:201
20925991412,2cyclictest8054-21apache221:31:451
20925991412,1cyclictest30841-21unixbench_singl20:55:241
20925991412,1cyclictest14061-21latency_hist20:14:581
20925991411,2cyclictest93750irq/100-eth0-rx23:31:541
20925991411,2cyclictest93750irq/100-eth0-rx22:50:041
20925991411,2cyclictest2228-21ssh21:51:571
20925991411,1cyclictest93750irq/100-eth0-rx21:11:361
20925991411,1cyclictest93750irq/100-eth0-rx00:31:411
20925991410,4cyclictest0-21swapper/121:16:491
20925991410,1cyclictest21294-21kworker/u4:100:22:481
20924991414,0cyclictest0-21swapper/022:15:210
20924991413,1cyclictest8283-21ssh22:00:200
20924991413,1cyclictest14842-21ssh21:24:210
20924991412,1cyclictest8054-21apache219:40:320
20924991412,1cyclictest8027-21apache223:06:250
20924991412,1cyclictest8027-21apache222:20:030
20924991412,1cyclictest793-21sendmail-mta00:16:000
20924991412,1cyclictest597-21avahi-daemon23:15:250
20924991412,1cyclictest3853-21/usr/sbin/munin23:30:300
20924991412,1cyclictest25496-21sh00:00:240
20924991411,3cyclictest6832-21kworker/0:021:53:130
20924991411,3cyclictest27434-21kworker/0:123:01:170
20924991411,2cyclictest6832-21kworker/0:019:35:410
20924991411,2cyclictest0-21swapper/021:42:180
20924991410,4cyclictest6832-21kworker/0:021:48:130
20924991410,4cyclictest6832-21kworker/0:020:28:290
20924991410,4cyclictest27434-21kworker/0:122:58:170
20924991410,4cyclictest27434-21kworker/0:122:43:010
625821310,2sleep00-21swapper/000:21:010
20925991313,0cyclictest24147-21awk19:10:211
20925991312,1cyclictest8054-21apache223:05:121
20925991312,1cyclictest8027-21apache222:36:231
20925991312,1cyclictest8027-21apache221:40:181
20925991312,1cyclictest8027-21apache220:20:171
20925991311,2cyclictest93750irq/100-eth0-rx21:05:411
20925991311,2cyclictest93650irq/99-eth0-rx-22:13:101
20925991311,1cyclictest93750irq/100-eth0-rx23:00:091
20925991311,1cyclictest8054-21apache219:20:131
20925991311,1cyclictest8054-21apache200:10:111
20925991311,1cyclictest231ktimersoftd/121:20:081
20925991311,1cyclictest22230-21/usr/sbin/munin19:05:231
20925991311,1cyclictest11336-21mailstats20:05:201
20925991310,3cyclictest0-21swapper/120:50:561
20925991310,3cyclictest0-21swapper/120:25:081
20925991310,3cyclictest0-21swapper/119:55:511
20925991310,3cyclictest0-21swapper/119:42:311
20925991310,3cyclictest0-21swapper/119:34:431
20925991310,2cyclictest93750irq/100-eth0-rx20:35:521
20925991310,1cyclictest93650irq/99-eth0-rx-23:12:191
20925991310,1cyclictest29125-21/usr/sbin/munin21:45:121
20925991310,1cyclictest0-21swapper/122:31:281
20925991310,0cyclictest0-21swapper/122:00:061
20925991310,0cyclictest0-21swapper/120:44:011
20925991310,0cyclictest0-21swapper/119:50:271
20924991312,1cyclictest834-21diskmemload22:50:160
20924991312,1cyclictest8027-21apache223:55:440
20924991312,1cyclictest8027-21apache223:45:180
20924991312,1cyclictest8027-21apache219:19:550
20924991312,1cyclictest7349-21/usr/sbin/munin19:55:190
20924991312,1cyclictest13975-21ssh22:10:080
20924991311,1cyclictest888-21if_err_eth323:25:150
20924991311,1cyclictest8054-21apache223:50:180
20924991311,1cyclictest8027-21apache220:35:130
20924991311,1cyclictest8027-21apache220:15:160
20924991311,1cyclictest30930-21ls00:10:140
20924991310,3cyclictest27434-21kworker/0:122:45:330
20924991310,3cyclictest0-21swapper/022:28:430
20924991310,3cyclictest0-21swapper/022:05:430
20924991310,3cyclictest0-21swapper/021:55:030
20924991310,3cyclictest0-21swapper/021:30:540
20924991310,3cyclictest0-21swapper/021:15:290
20924991310,3cyclictest0-21swapper/020:12:030
20924991310,3cyclictest0-21swapper/020:06:110
20924991310,3cyclictest0-21swapper/000:26:010
20924991310,3cyclictest0-21swapper/000:07:070
20924991310,3cyclictest0-21swapper/000:07:070
20924991310,2cyclictest8054-21apache220:55:110
20924991310,1cyclictest93750irq/100-eth0-rx19:50:120
20924991310,1cyclictest0-21swapper/021:35:590
20924991310,1cyclictest0-21swapper/021:26:150
20924991310,0cyclictest0-21swapper/023:10:120
20924991310,0cyclictest0-21swapper/022:30:220
20924991310,0cyclictest0-21swapper/020:40:360
20924991310,0cyclictest0-21swapper/020:33:200
20924991310,0cyclictest0-21swapper/019:34:530
1421821310,1sleep10-21swapper/123:45:101
20925991211,1cyclictest8027-21apache220:15:091
20925991210,1cyclictest8027-21apache219:24:581
20925991210,1cyclictest0-21swapper/120:45:151
20925991210,0cyclictest0-21swapper/119:35:011
20924991210,2cyclictest0-21swapper/020:20:040
20924991210,2cyclictest0-21swapper/019:10:080
20924991210,1cyclictest27627-21/usr/sbin/munin20:50:140
20924991210,1cyclictest21729-21awk19:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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