OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8
Special All - All RT - Optimization - Ethernet - Thumbnails - Next

Click here to display the system's profile data or here to proceed to next system.

Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.
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
Compare latency of primary with shadow system

Characteristics of the 100 highest latencies:

System rackcslot4s.osadl.org (updated Fri Jul 26, 2024 12:44:19)
Delayed (victim)					Switcher (culprit)			Timestamp	CPU
PID	Prio	Total latency (µs)	T^(,W^*) latency (µs)	Cmd	PID	Prio	Cmd	Timestamp	CPU
11656	99	35	22,8	cyclictest	11926	-21	apt-get	12:00:14	3
11656	99	35	22,8	cyclictest	11926	-21	apt-get	12:00:13	3
11646	99	32	2,15	cyclictest	27741	-21	apt-get	07:55:10	1
11652	99	27	5,19	cyclictest	2459	-21	grep	11:30:20	2
11656	99	26	17,5	cyclictest	23935	-21	python3	07:44:59	3
11656	99	25	16,7	cyclictest	18620	-21	df_inode	09:05:27	3
11656	99	25	1,5	cyclictest	11501	-21	sed	12:00:01	3
11656	99	25	1,20	cyclictest	3194	-21	lsb_release	11:35:01	3
11656	99	25	1,20	cyclictest	23456	-21	munin-run	09:20:00	3
11656	99	25	0,20	cyclictest	5250	-21	munin-run	08:25:00	3
11656	99	24	19,3	cyclictest	16796	-21	grep	12:10:24	3
11656	99	24	1,19	cyclictest	11279	-21	awk	10:20:00	3
11656	99	23	2,14	cyclictest	32557	-21	apt-get	11:25:12	3
11656	99	23	1,18	cyclictest	2810	-21	python3	09:55:01	3
11656	99	23	11,7	cyclictest	13832	-21	apt-key	12:05:01	3
11656	99	23	0,5	cyclictest	6431	-21	perf	11:44:59	3
11644	99	23	15,6	cyclictest	15129	-21	awk	07:15:21	0
11656	99	22	2,14	cyclictest	16814	-21	apt-get	09:00:14	3
11656	99	22	15,5	cyclictest	16154	-21	tr	08:55:25	3
11656	99	22	14,5	cyclictest	19364	-21	cron	10:45:00	3
11656	99	22	13,6	cyclictest	7810	-21	ntpq	08:30:21	3
11656	99	22	11,8	cyclictest	9647	-21	perf	10:15:00	3
11656	99	22	11,7	cyclictest	194	50	irq/39-mmc0	09:10:05	3
11656	99	22	0,19	cyclictest	25019	-21	turbostat	12:40:00	3
11652	99	22	3,16	cyclictest	27686	-21	grep	09:30:17	2
11652	99	22	14,6	cyclictest	11509	-21	apt	10:20:09	2
11646	99	22	14,6	cyclictest	8435	-21	df	10:10:12	1
11646	99	22	14,6	cyclictest	16929	-21	snmp_o5powerctl	07:20:26	1
11646	99	22	13,6	cyclictest	22742	-21	ntp_kernel_pll_	12:30:19	1
11646	99	22	1,14	cyclictest	11925	-21	apt-get	12:00:14	1
11646	99	22	1,14	cyclictest	11925	-21	apt-get	12:00:13	1
11644	99	22	14,6	cyclictest	22772	-21	ntp_states	12:30:21	0
11656	99	21	2,13	cyclictest	32163	-21	apt-get	09:45:11	3
11656	99	21	2,13	cyclictest	28913	-21	apt-get	09:35:13	3
11656	99	21	15,4	cyclictest	24514	-21	apt-get	07:45:10	3
11656	99	21	1,3	cyclictest	9665	-21	perf	11:55:00	3
11656	99	21	1,3	cyclictest	29141	-21	munin-run	08:00:00	3
11656	99	21	12,6	cyclictest	18533	-21	run-parts	12:20:00	3
11656	99	21	12,6	cyclictest	18533	-21	run-parts	12:20:00	3
11656	99	21	11,6	cyclictest	15692	-21	turbostat	07:20:00	3
11656	99	21	0,3	cyclictest	3619	-21	munin-run	08:20:00	3
11656	99	21	0,18	cyclictest	14743	-21	apt-get	10:30:10	3
11656	99	21	0,18	cyclictest	11758	-21	apt-config	07:10:01	3
11652	99	21	16,3	cyclictest	20169	-21	turbostat.cron	12:25:00	2
11652	99	21	13,6	cyclictest	25870	-21	df	09:25:14	2
11652	99	21	13,6	cyclictest	24709	-21	wc	09:20:19	2
11652	99	21	13,6	cyclictest	22778	-21	awk	12:30:21	2
11652	99	21	13,6	cyclictest	22631	-21	cat	09:15:15	2
11652	99	21	13,6	cyclictest	14238	-21	perl	12:05:14	2
11646	99	21	16,2	cyclictest	31476	-21	latency	11:20:17	1
11646	99	21	14,5	cyclictest	20997	-21	ls	10:50:00	1
11646	99	21	14,5	cyclictest	14759	-21	cat	07:15:16	1
11646	99	21	13,6	cyclictest	20622	-21	df	09:10:11	1
11646	99	21	13,6	cyclictest	10604	-21	ntpq	11:55:16	1
11644	99	21	2,13	cyclictest	11260	-21	apt-get	12:00:14	0
11644	99	21	2,13	cyclictest	11260	-21	apt-get	12:00:14	0
11644	99	21	16,3	cyclictest	0	-21	swapper/0	07:10:01	0
11644	99	21	14,5	cyclictest	17453	-21	sed	07:25:00	0
11644	99	21	14,4	cyclictest	11321	-21	http	11:59:59	0
11644	99	21	13,6	cyclictest	18815	-21	awk	10:40:20	0
11644	99	21	13,6	cyclictest	12922	-21	tr	08:45:23	0
11656	99	20	2,16	cyclictest	14518	-21	latency_hist	10:30:00	3
11656	99	20	2,14	cyclictest	5025	-21	apt-get	10:00:12	3
11656	99	20	2,14	cyclictest	19603	-21	apt-get	10:45:10	3
11656	99	20	2,10	cyclictest	13711	-21	munin-node	08:05:11	3
11656	99	20	14,3	cyclictest	7019	-21	cut	10:05:15	3
11656	99	20	14,3	cyclictest	25090	-21	cat	09:20:25	3
11656	99	20	13,4	cyclictest	13344	-21	munin-run	08:49:59	3
11656	99	20	12,6	cyclictest	14113	-21	cat	08:50:17	3
11656	99	20	12,4	cyclictest	23761	-21	mailstats	10:55:21	3
11656	99	20	11,6	cyclictest	11898	-21	gpgv	07:10:02	3
11656	99	20	1,14	cyclictest	24464	-21	apt-get	11:00:12	3
11656	99	20	0,18	cyclictest	1998	-21	lsb_release	08:15:00	3
11656	99	20	0,17	cyclictest	11739	-21	lsb_release	08:44:59	3
11652	99	20	16,2	cyclictest	5247	-21	ls	08:25:01	2
11652	99	20	15,3	cyclictest	9460	-21	sh	08:35:20	2
11652	99	20	13,5	cyclictest	30772	-21	cut	11:20:01	2
11652	99	20	13,5	cyclictest	28280	-21	grep	07:55:15	2
11652	99	20	13,5	cyclictest	19599	-21	date	10:45:00	2
11652	99	20	13,5	cyclictest	19312	-21	vmstat	10:40:26	2
11652	99	20	13,5	cyclictest	1378	-21	cut	09:50:00	2
11652	99	20	13,5	cyclictest	13688	-21	expr	08:50:13	2
11652	99	20	13,5	cyclictest	12577	-21	cat	12:00:21	2
11652	99	20	13,5	cyclictest	12577	-21	cat	12:00:21	2
11652	99	20	12,6	cyclictest	14775	-21	cat	07:15:17	2
11652	99	20	12,5	cyclictest	864	-21	gdbus	12:40:01	2
11652	99	20	12,5	cyclictest	1617	-21	tune2fs	09:50:15	2
11652	99	20	11,6	cyclictest	2531	-21	tune2fs	08:15:16	2
11652	99	20	10,7	cyclictest	9638	-21	cron	11:55:00	2
11646	99	20	15,3	cyclictest	19702	-21	sendmail_mailqu	12:20:24	1
11646	99	20	13,5	cyclictest	7377	-21	ntp_kernel_err	11:45:20	1
11646	99	20	13,5	cyclictest	12809	-21	awk	07:10:17	1
11646	99	20	12,6	cyclictest	5140	-21	awk	08:20:28	1
11646	99	20	12,6	cyclictest	31693	-21	fw_packets	08:05:12	1
11646	99	20	12,6	cyclictest	30231	-21	cat	08:00:15	1
11646	99	20	12,5	cyclictest	31975	-21	cut	09:45:00	1
11646	99	20	1,14	cyclictest	7080	-21	apt-get	08:30:10	1
11644	99	20	13,5	cyclictest	25054	-21	grep	07:45:19	0
11644	99	20	13,5	cyclictest	18332	-21	pluginstate	07:25:20	0
11644	99	20	12,6	cyclictest	6040	-21	snmp_o5powerctl	11:40:23	0
^Timer ^*Wakeup (latency=timer+wakeup+contextswitch)


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This page was last modified on 2019-05-28 - 00:17