Vmstat - Revision history

Daniela Plascencia: /* CPU Resources */

2017-03-14T21:59:43Z

CPU Resources

← Older revision		Revision as of 21:59, 14 March 2017
Line 77:		Line 77:
	Although the behavior is quite similar between the plots, the CPU waiting time curve has different ranges as it is shown below.		Although the behavior is quite similar between the plots, the CPU waiting time curve has different ranges as it is shown below.
	<gallery class="center" widths = "900" heights = "400">		<gallery class="center" widths = "900" heights = "400">
	Image:Vmstat-cpu-minimal.png\|Results obtained the first time ~~the script was run~~		Image:Vmstat-cpu-minimal.png\|Results obtained running the script for the first time
	Image:Vmstat-cpu.png\|Results obtained the second time ~~the script was run~~		Image:Vmstat-cpu.png\|Results obtained running the script for the second time
	</gallery>		</gallery>

Daniela Plascencia: /* IO Activity */

2017-03-14T21:59:00Z

IO Activity

← Older revision		Revision as of 21:59, 14 March 2017
Line 70:		Line 70:
	The IO Activity plots are rather similar, but the Reading activity has different ranges as it is shown below.		The IO Activity plots are rather similar, but the Reading activity has different ranges as it is shown below.
	<gallery class="center" widths = "500" heights = "400">		<gallery class="center" widths = "500" heights = "400">
	Image:Vmstat-io-minimal.png\|Results obtained the first time ~~the script was run~~		Image:Vmstat-io-minimal.png\|Results obtained running the script for the first time
	Image:Vmstat-io-minimal-2.png\|Results obtained the second time ~~the script was run~~		Image:Vmstat-io-minimal-2.png\|Results obtained running the script for the second time
	</gallery>		</gallery>

Daniela Plascencia: /* IO Activity */

2017-03-14T21:58:05Z

IO Activity

← Older revision		Revision as of 21:58, 14 March 2017
Line 70:		Line 70:
	The IO Activity plots are rather similar, but the Reading activity has different ranges as it is shown below.		The IO Activity plots are rather similar, but the Reading activity has different ranges as it is shown below.
	<gallery class="center" widths = "500" heights = "400">		<gallery class="center" widths = "500" heights = "400">
	Image:Vmstat-io-minimal-2.png\|Results obtained the first time the script was run		Image:Vmstat-io-minimal.png\|Results obtained the first time the script was run
	Image:Vmstat-io-minimal.png\|Results obtained the second time the script was run		Image:Vmstat-io-minimal-2.png\|Results obtained the second time the script was run
	</gallery>		</gallery>

Daniela Plascencia at 21:56, 14 March 2017

2017-03-14T21:56:54Z

← Older revision		Revision as of 21:56, 14 March 2017
Line 36:		Line 36:
	r: The number of runnable processes (running or waiting for run time).		r: The number of runnable processes (running or waiting for run time).
	b: The number of processes in uninterruptible sleep.		b: The number of processes in uninterruptible sleep.
	[[File:Vmstat-procs-minimal.png\|center\|~~1000px~~]]		[[File:Vmstat-procs-minimal.png\|center\|800px]]
	== Memory Usage==		== Memory Usage==
	Memory		Memory
Line 43:		Line 43:
	buff: the amount of memory used as buffers.		buff: the amount of memory used as buffers.
	cache: the amount of memory used as cache.		cache: the amount of memory used as cache.
	[[File:Vmstat-memory-minimal.png\|center\|~~1000px~~]]		[[File:Vmstat-memory-minimal.png\|center\|800px]]
	== IO Activity==		== IO Activity==
	IO		IO
	bi: Blocks received from a block device (blocks/s).		bi: Blocks received from a block device (blocks/s).
	bo: Blocks sent to a block device (blocks/s).		bo: Blocks sent to a block device (blocks/s).
	[[File:Vmstat-io-minimal.png\|center\|~~1000px~~]]		[[File:Vmstat-io-minimal.png\|center\|800px]]
	== System Operations==		== System Operations==
	System		System
	in: The number of interrupts per second, including the clock.		in: The number of interrupts per second, including the clock.
	cs: The number of context switches per second.		cs: The number of context switches per second.
	[[File:Vmstat-system-minimal.png\|center\|~~1000px~~]]		[[File:Vmstat-system-minimal.png\|center\|800px]]
	== CPU Resources==		== CPU Resources==
	CPU		CPU

Daniela Plascencia at 21:56, 14 March 2017

2017-03-14T21:56:01Z

← Older revision		Revision as of 21:56, 14 March 2017
Line 36:		Line 36:
	r: The number of runnable processes (running or waiting for run time).		r: The number of runnable processes (running or waiting for run time).
	b: The number of processes in uninterruptible sleep.		b: The number of processes in uninterruptible sleep.
	[[File:Vmstat-procs-minimal.png\|center\|~~500px~~]]		[[File:Vmstat-procs-minimal.png\|center\|1000px]]
	== Memory Usage==		== Memory Usage==
	Memory		Memory
Line 43:		Line 43:
	buff: the amount of memory used as buffers.		buff: the amount of memory used as buffers.
	cache: the amount of memory used as cache.		cache: the amount of memory used as cache.
	[[File:Vmstat-memory-minimal.png\|center\|~~500px~~]]		[[File:Vmstat-memory-minimal.png\|center\|1000px]]
	== IO Activity==		== IO Activity==
	IO		IO
	bi: Blocks received from a block device (blocks/s).		bi: Blocks received from a block device (blocks/s).
	bo: Blocks sent to a block device (blocks/s).		bo: Blocks sent to a block device (blocks/s).
	[[File:Vmstat-io-minimal.png\|center\|~~500px~~]]		[[File:Vmstat-io-minimal.png\|center\|1000px]]
	== System Operations==		== System Operations==
	System		System
	in: The number of interrupts per second, including the clock.		in: The number of interrupts per second, including the clock.
	cs: The number of context switches per second.		cs: The number of context switches per second.
	[[File:Vmstat-system-minimal.png\|center\|~~500px~~]]		[[File:Vmstat-system-minimal.png\|center\|1000px]]
	== CPU Resources==		== CPU Resources==
	CPU		CPU

Daniela Plascencia at 21:52, 14 March 2017

2017-03-14T21:52:45Z

@@ Line 62: / Line 62: @@
         wa: Time spent waiting for IO.  Prior to Linux 2.5.41, included in idle.
         st: Time stolen from a virtual machine.  Prior to Linux 2.6.11, unknown.
-[[File:Vmstat-cpu-minimal.png|center|500px]]
+[[File:Vmstat-cpu-minimal.png|center|1000px]]

Daniela Plascencia at 20:31, 14 March 2017

2017-03-14T20:31:40Z

← Older revision		Revision as of 20:31, 14 March 2017
Line 36:		Line 36:
	r: The number of runnable processes (running or waiting for run time).		r: The number of runnable processes (running or waiting for run time).
	b: The number of processes in uninterruptible sleep.		b: The number of processes in uninterruptible sleep.
	[[File:Vmstat-procs-minimal.png~~\|thumb~~\|center\|500px]]		[[File:Vmstat-procs-minimal.png\|center\|500px]]
	== Memory Usage==		== Memory Usage==
	Memory		Memory
Line 43:		Line 43:
	buff: the amount of memory used as buffers.		buff: the amount of memory used as buffers.
	cache: the amount of memory used as cache.		cache: the amount of memory used as cache.
	[[File:Vmstat-memory-minimal.png~~\|thumb~~\|center\|500px]]		[[File:Vmstat-memory-minimal.png\|center\|500px]]
	== IO Activity==		== IO Activity==
	IO		IO
	bi: Blocks received from a block device (blocks/s).		bi: Blocks received from a block device (blocks/s).
	bo: Blocks sent to a block device (blocks/s).		bo: Blocks sent to a block device (blocks/s).
	[[File:Vmstat-io-minimal.png~~\|thumb~~\|center\|500px]]		[[File:Vmstat-io-minimal.png\|center\|500px]]
	== System Operations==		== System Operations==
	System		System
	in: The number of interrupts per second, including the clock.		in: The number of interrupts per second, including the clock.
	cs: The number of context switches per second.		cs: The number of context switches per second.
	[[File:Vmstat-system-minimal.png~~\|thumb~~\|center\|500px]]		[[File:Vmstat-system-minimal.png\|center\|500px]]
	== CPU Resources==		== CPU Resources==
	CPU		CPU
Line 62:		Line 62:
	wa: Time spent waiting for IO. Prior to Linux 2.5.41, included in idle.		wa: Time spent waiting for IO. Prior to Linux 2.5.41, included in idle.
	st: Time stolen from a virtual machine. Prior to Linux 2.6.11, unknown.		st: Time stolen from a virtual machine. Prior to Linux 2.6.11, unknown.
	[[File:Vmstat-cpu-minimal.png~~\|thumb~~\|center\|500px]]		[[File:Vmstat-cpu-minimal.png\|center\|500px]]


	~~<!--=== Procs ===~~
	~~The <tt>procs</tt> section reports the number of processing jobs waiting to be run.~~

	~~<tt>r</tt>: runnable processes~~

	~~<tt>b</tt>: processes in uninterruptible sleep~~
	~~==== Bitbake core-image-minimal ====~~
	~~[[File:Vmstat-procs.png\|thumb\|left\|500px]]~~

	~~==== Bitbake world ====~~
	~~[[File:Vmstat-procs-world.png]]~~

	~~=== Memory ===~~
	~~==== Bitbake core-image-minimal ====~~
	~~[[File:Vmstat-memory.png]]~~
	~~==== Bitbake world ====~~
	~~[[File:Vmstat-memory-world.png]]~~

	~~=== IO ===~~
	~~==== Bitbake core-image-minimal ====~~
	~~[[File:Vmstat-io.png]]~~
	~~==== Bitbake world ====~~
	~~[[File:Vmstat-io-world.png]]~~

	~~=== System ===~~
	~~==== Bitbake core-image-minimal ====~~
	~~[[File:Vmstat-system.png]]~~
	~~==== Bitbake world ====~~
	~~[[File:Vmstat-system-world.png]]~~

	~~=== CPU ===~~
	~~==== Bitbake core-image-minimal ====~~
	~~[[File:Vmstat-cpu.png]]~~
	~~==== Bitbake world ====~~
	~~[[File:Vmstat-cpu-world.png]]-->~~

Leonardo Sandoval at 21:49, 8 March 2017

2017-03-08T21:49:05Z

@@ Line 2: / Line 2: @@
 The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.
-In order to reproduce the output shown in section 2, one should:
+These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.
 =System Characteristics=

Daniela Plascencia at 19:58, 7 March 2017

2017-03-07T19:58:39Z

@@ Line 20: / Line 20: @@
 * Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it
 =Vmstat Output=
@@ Line 26: / Line 53: @@
         r: The number of runnable processes (running or waiting for run time).
         b: The number of processes in uninterruptible sleep.
-[[File:Vmstat-procs-minimal.png|thumb|center|500px|Test|Test2]]
+[[File:Vmstat-procs-minimal.png|thumb|center|500px]]
 == Memory Usage==
     Memory

Daniela Plascencia at 19:28, 7 March 2017

2017-03-07T19:28:31Z

← Older revision		Revision as of 19:28, 7 March 2017
Line 21:		Line 21:
	* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it		* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it

	=Vmstat ~~output~~=		=Vmstat Output=
	== Processing ~~jobs~~==		== Processing Jobs==
	Procs		Procs
	r: The number of runnable processes (running or waiting for run time).		r: The number of runnable processes (running or waiting for run time).
	b: The number of processes in uninterruptible sleep.		b: The number of processes in uninterruptible sleep.
	[[File:Vmstat-procs-minimal.png\|thumb\|center\|500px\|Test\|Test2]]		[[File:Vmstat-procs-minimal.png\|thumb\|center\|500px\|Test\|Test2]]
	== Memory ~~usage~~==		== Memory Usage==
	Memory		Memory
	swpd: the amount of virtual memory used.		swpd: the amount of virtual memory used.
Line 34:		Line 34:
	cache: the amount of memory used as cache.		cache: the amount of memory used as cache.
	[[File:Vmstat-memory-minimal.png\|thumb\|center\|500px]]		[[File:Vmstat-memory-minimal.png\|thumb\|center\|500px]]
	== IO ~~activity~~==		== IO Activity==
	IO		IO
	bi: Blocks received from a block device (blocks/s).		bi: Blocks received from a block device (blocks/s).
	bo: Blocks sent to a block device (blocks/s).		bo: Blocks sent to a block device (blocks/s).
	[[File:Vmstat-io-minimal.png\|thumb\|center\|500px]]		[[File:Vmstat-io-minimal.png\|thumb\|center\|500px]]
	== System ~~operations~~==		== System Operations==
	System		System
	in: The number of interrupts per second, including the clock.		in: The number of interrupts per second, including the clock.
	cs: The number of context switches per second.		cs: The number of context switches per second.
	[[File:Vmstat-system-minimal.png\|thumb\|center\|500px]]		[[File:Vmstat-system-minimal.png\|thumb\|center\|500px]]
	== CPU ~~performance~~==		== CPU Resources==
	CPU		CPU
	These are percentages of total CPU time.		These are percentages of total CPU time.