Yocto Project - User contributions [en]

File:Vmstat-io-minimal-2.png

2017-03-14T22:02:14Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-minimal-2.png"

File:Vmstat-io-minimal.png

2017-03-14T22:01:59Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-minimal.png"

Vmstat

2017-03-14T21:59:43Z

Daniela Plascencia: /* CPU Resources */

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|800px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|800px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|800px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|800px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal.png|Results obtained running the script for the first time
Image:Vmstat-io-minimal-2.png|Results obtained running the script for the second time
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained running the script for the first time
Image:Vmstat-cpu.png|Results obtained running the script for the second time
</gallery>

Vmstat

2017-03-14T21:59:00Z

Daniela Plascencia: /* IO Activity */

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|800px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|800px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|800px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|800px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal.png|Results obtained running the script for the first time
Image:Vmstat-io-minimal-2.png|Results obtained running the script for the second time
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained the first time the script was run
Image:Vmstat-cpu.png|Results obtained the second time the script was run
</gallery>

Vmstat

2017-03-14T21:58:05Z

Daniela Plascencia: /* IO Activity */

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|800px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|800px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|800px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|800px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal.png|Results obtained the first time the script was run
Image:Vmstat-io-minimal-2.png|Results obtained the second time the script was run
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained the first time the script was run
Image:Vmstat-cpu.png|Results obtained the second time the script was run
</gallery>

Vmstat

2017-03-14T21:56:54Z

Daniela Plascencia:

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|800px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|800px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|800px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|800px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal-2.png|Results obtained the first time the script was run
Image:Vmstat-io-minimal.png|Results obtained the second time the script was run
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained the first time the script was run
Image:Vmstat-cpu.png|Results obtained the second time the script was run
</gallery>

Vmstat

2017-03-14T21:56:01Z

Daniela Plascencia:

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|1000px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|1000px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|1000px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|1000px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal-2.png|Results obtained the first time the script was run
Image:Vmstat-io-minimal.png|Results obtained the second time the script was run
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained the first time the script was run
Image:Vmstat-cpu.png|Results obtained the second time the script was run
</gallery>

Vmstat

2017-03-14T21:52:45Z

Daniela Plascencia:

=System monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.

These plots were produced using the scripts located on the [https://github.com/lsandoval/bb-perf bb-perf] repository.

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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|center|500px]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|center|500px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|center|500px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|center|500px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|1000px]]

=Reproducibility=
The overall behavior of each plot is the same when the monitoring script <tt>(vmstat.sh)</tt> is ran several times in the same machine; however, there are two cases where the plots mismatched with each other.

== IO Activity ==
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">
Image:Vmstat-io-minimal-2.png|Results obtained the first time the script was run
Image:Vmstat-io-minimal.png|Results obtained the second time the script was run
</gallery>

== CPU Resources ==
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">
Image:Vmstat-cpu-minimal.png|Results obtained the first time the script was run
Image:Vmstat-cpu.png|Results obtained the second time the script was run
</gallery>

File:Vmstat-cpu.png

2017-03-14T20:37:51Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu.png"

File:Vmstat-cpu-minimal.png

2017-03-14T20:37:35Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu-minimal.png"

File:Vmstat-system-minimal.png

2017-03-14T20:36:15Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-minimal.png"

File:Vmstat-io-minimal-2.png

2017-03-14T20:35:25Z

Daniela Plascencia:

File:Vmstat-io-minimal.png

2017-03-14T20:35:06Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-minimal.png"

File:Vmstat-memory-minimal.png

2017-03-14T20:32:55Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-memory-minimal.png"

Vmstat

2017-03-14T20:31:40Z

Daniela Plascencia:

File:Vmstat-procs-minimal.png

2017-03-14T20:31:23Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-procs-minimal.png"

Vmstat

2017-03-07T19:58:39Z

Daniela Plascencia:

=System monitoring with vmstat=
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:

* Fetch upstream code from the <tt>core-image-minimal</tt> recipes

$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ echo -e 'DL_DIR = "/home/user/poky/downloads"' > conf/auto.conf
$ bitbake core-image-minimal -c fetchall

* Start vmstat in a new terminal (set a 2 sec interval)
$ vmstat 2 > vmstat-output.raw

* On the terminal from the first step, launch bitbake, making sure no network activity will be done
$ echo -e 'BB_NO_NETWORK = "1"' >> conf/auto.conf
$ bitbake core-image-minimal

* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it

=System Characteristics=
===Distro===
CentOS Linux release 7.3.1611 (Core)
Linux version 3.10.0-514.6.1.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Jan 18 13:06:36 UTC 2017

===RAM===
MemTotal: 131814472 kB
MemFree: 70067576 kB
MemAvailable: 127241460 kB

===Processor===
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 48
On-line CPU(s) list: 0-47
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 62
Model name: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
Stepping: 4
CPU MHz: 1263.621

=Vmstat Output=
== Processing Jobs==
Procs
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]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|thumb|center|500px]]

Vmstat

2017-03-07T19:28:31Z

Daniela Plascencia:

=System monitoring with vmstat=
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:

* Fetch upstream code from the <tt>core-image-minimal</tt> recipes

$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ echo -e 'DL_DIR = "/home/user/poky/downloads"' > conf/auto.conf
$ bitbake core-image-minimal -c fetchall

* Start vmstat in a new terminal (set a 2 sec interval)
$ vmstat 2 > vmstat-output.raw

* On the terminal from the first step, launch bitbake, making sure no network activity will be done
$ echo -e 'BB_NO_NETWORK = "1"' >> conf/auto.conf
$ bitbake core-image-minimal

* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it

=Vmstat Output=
== Processing Jobs==
Procs
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]]
== Memory Usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
== IO Activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
== System Operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
== CPU Resources==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|thumb|center|500px]]

File:Vmstat-cpu-minimal.png

2017-03-07T19:28:11Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu-minimal.png"

File:Vmstat-io-minimal.png

2017-03-07T19:27:56Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-minimal.png"

File:Vmstat-memory-minimal.png

2017-03-07T19:27:36Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-memory-minimal.png"

File:Vmstat-swap-minimal.png

2017-03-07T19:27:18Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-swap-minimal.png"

File:Vmstat-system-minimal.png

2017-03-07T19:27:01Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-minimal.png"

File:Vmstat-procs-minimal.png

2017-03-07T19:26:36Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-procs-minimal.png"

Vmstat

2017-03-07T18:50:38Z

Daniela Plascencia:

=System monitoring with vmstat=
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:

* Fetch upstream code from the <tt>core-image-minimal</tt> recipes

$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ echo -e 'DL_DIR = "/home/user/poky/downloads"' > conf/auto.conf
$ bitbake core-image-minimal -c fetchall

* Start vmstat in a new terminal (set a 2 sec interval)
$ vmstat 2 > vmstat-output.raw

* On the terminal from the first step, launch bitbake, making sure no network activity will be done
$ echo -e 'BB_NO_NETWORK = "1"' >> conf/auto.conf
$ bitbake core-image-minimal

* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it

=Vmstat output=
== Processing jobs==
Procs
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]]
== Memory usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
== IO activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
== System operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
== CPU performance==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|thumb|center|500px]]

Vmstat

2017-03-07T18:49:40Z

Daniela Plascencia:

=System monitoring with vmstat=
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:

* Fetch upstream code from the <tt>core-image-minimal</tt> recipes

$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ echo -e 'DL_DIR = "/home/user/poky/downloads"' > conf/auto.conf
$ bitbake core-image-minimal -c fetchall

* Start vmstat in a new terminal (set a 2 sec interval)
$ vmstat 2 > vmstat-output.raw

* On the terminal from the first step, launch bitbake, making sure no network activity will be done
$ echo -e 'BB_NO_NETWORK = "1"' >> conf/auto.conf
$ bitbake core-image-minimal

* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command to stop it

=Vmstat output=
== Processing jobs==
Procs
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]]
== Memory usage==
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
== IO activity==
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
== System operations==
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
== CPU performance==
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|thumb|center|500px]]

File:Vmstat-procs-minimal.png

2017-03-07T18:49:34Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-procs-minimal.png"

Vmstat

2017-03-07T18:22:17Z

Daniela Plascencia:

=System Monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.
=== Monitoring the system ===
In order to reproduce the output shown below, one should:

* Fetch upstream code from the <tt>core-image-minimal</tt> recipes

$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ echo -e 'DL_DIR = "/home/user/poky/downloads"' > conf/auto.conf
$ bitbake core-image-minimal -c fetchall

* Start vmstat in another terminal (set a 2 sec interval)
$ vmstat 2 > vmstat-output.raw

* On the initial terminal, launch bitbake, making sure no network activity will be done
$ echo -e 'BB_NO_NETWORK = "1"' >> conf/auto.conf
$ bitbake core-image-minimal

* Once <tt>bitbake</tt> finishes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command

=== Procs ===
Procs
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]]
=== Memory ===
Memory
swpd: the amount of virtual memory used.
free: the amount of idle memory.
buff: the amount of memory used as buffers.
cache: the amount of memory used as cache.
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
=== IO ===
IO
bi: Blocks received from a block device (blocks/s).
bo: Blocks sent to a block device (blocks/s).
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
=== System ===
System
in: The number of interrupts per second, including the clock.
cs: The number of context switches per second.
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
=== CPU ===
CPU
These are percentages of total CPU time.
us: Time spent running non-kernel code. (user time, including nice time)
sy: Time spent running kernel code. (system time)
id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
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|thumb|center|500px]]

Vmstat

2017-03-07T00:49:27Z

Daniela Plascencia:

=System Monitoring with vmstat=
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.
=== Monitoring the system ===
In order to reproduce the shown output, one should:
* Build <tt>core-image-minimal</tt>
$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ bitbake core-image-minimal

* Move the <tt>download</tt> directory to a different location than <tt>build</tt>
$ pwd
/home/user/poky/build/
$ mv downloads/ ../

* Remove <tt>build/</tt> and re-build <tt>core-image-minimal</tt> from scratch, but this time, monitoring the system with <tt>vmstat</tt>
$ cd ../
$ pwd
/home/user/poky/
$ rm -rf build/
$ source oe-init-build-env
$ echo -e "DL_DIR = "/home/user/poky/downloads" \nBB_NO_NETWORK = "1"" > conf/auto.conf
$ bitbake core-image-minimal
# In another terminal right at the same time bitbake starts running run the following:
$ vmstat 2 > vmstat-output.raw

* Once <tt>bitbake</tt> finisshes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command

=== Procs ===
[[File:Vmstat-procs-minimal.png|thumb|center|500px]]
=== Memory ===
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
=== IO ===
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
=== System ===
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
=== CPU ===
[[File:Vmstat-cpu-minimal.png|thumb|center|500px]]

Vmstat

2017-03-07T00:47:59Z

Daniela Plascencia:

== System Monitoring with vmstat ==
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.
=== Monitoring the system ===
In order to reproduce the shown output, one should:
* Build <tt>core-image-minimal</tt>
$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ bitbake core-image-minimal

* Move the <tt>download</tt> directory to a different location than <tt>build</tt>
$ pwd
/home/user/poky/build/
$ mv downloads/ ../

* Remove <tt>build/</tt> and re-build <tt>core-image-minimal</tt> from scratch, but this time, monitoring the system with <tt>vmstat</tt>
$ cd ../
$ pwd
/home/user/poky/
$ rm -rf build/
$ source oe-init-build-env
$ echo -e "DL_DIR = "/home/user/poky/downloads" \nBB_NO_NETWORK = "1"" > conf/auto.conf
$ bitbake core-image-minimal
# In another terminal right at the same time bitbake starts running run the following:
$ vmstat 2 > vmstat-output.raw

* Once <tt>bitbake</tt> finisshes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command

=== Procs ===
[[File:Vmstat-procs-minimal.png|thumb|center|500px]]
=== Memory ===
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
=== IO ===
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
=== System ===
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
=== CPU ===
[[File:Vmstat-cpu-minimal.png|thumb|center|500px]]

Vmstat

2017-03-07T00:46:48Z

Daniela Plascencia: /* System Monitoring with vmstat */

== System Monitoring with vmstat ==
The following results were obtained based on data collected using <tt>vmstat</tt>, a tool that reports a system's virtual memory statistics.
=== Monitoring the system ===
In order to reproduce the shown output, one should:
* Build <tt>core-image-minimal</tt>
$ git clone git://git.yoctoproject.org/poky
$ cd poky/
$ source oe-init-build-env
$ bitbake core-image-minimal

* Move the <tt>download</tt> directory to a different location than <tt>build</tt>
$ pwd
/home/user/poky/build/
$ mv downloads/ ../

* Remove <tt>build/</tt> and re-build <tt>core-image-minimal</tt> from scratch, but this time, monitoring the system with <tt>vmstat</tt>
$ cd ../
$ pwd
/home/user/poky/
$ rm -rf build/
$ source oe-init-build-env
$ echo -e "DL_DIR = "/home/user/poky/downloads" \nBB_NO_NETWORK = "1"" > conf/auto.conf
$ bitbake core-image-minimal
# In another terminal right at the same time bitbake starts running run the following:
$ vmstat 2 > vmstat-output.raw

* Once <tt>bitbake</tt> finisshes, <tt>Ctrl+D</tt> the <tt>vmstat</tt> command

==== Procs ====
[[File:Vmstat-procs-minimal.png|thumb|center|500px]]
=== Memory ===
[[File:Vmstat-memory-minimal.png|thumb|center|500px]]
=== IO ===
[[File:Vmstat-io-minimal.png|thumb|center|500px]]
=== System ===
[[File:Vmstat-system-minimal.png|thumb|center|500px]]
=== CPU ===
[[File:Vmstat-cpu-minimal.png|thumb|center|500px]]

File:Vmstat-system-minimal.png

2017-03-07T00:42:36Z

Daniela Plascencia:

File:Vmstat-swap-minimal.png

2017-03-07T00:42:22Z

Daniela Plascencia:

File:Vmstat-procs-minimal.png

2017-03-07T00:42:07Z

Daniela Plascencia:

File:Vmstat-memory-minimal.png

2017-03-07T00:41:51Z

Daniela Plascencia:

File:Vmstat-io-minimal.png

2017-03-07T00:41:35Z

Daniela Plascencia:

File:Vmstat-cpu-minimal.png

2017-03-07T00:41:20Z

Daniela Plascencia:

File:Vmstat-procs-world.png

2017-03-06T22:32:50Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-procs-world.png"

File:Vmstat-procs-world.png

2017-03-06T22:30:57Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-procs-world.png"

File:Vmstat-memory-world.png

2017-03-06T22:30:48Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-memory-world.png"

File:Vmstat-io-world.png

2017-03-06T22:30:39Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-world.png"

File:Vmstat-system-world.png

2017-03-06T22:30:28Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-world.png"

File:Vmstat-cpu-world.png

2017-03-06T22:30:14Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu-world.png"

File:Vmstat-cpu-world.png

2017-03-03T19:56:18Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu-world.png"

File:Vmstat-system-world.png

2017-03-03T19:54:47Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-world.png"

File:Vmstat-system-world.png

2017-03-03T19:53:33Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-world.png"

File:Vmstat-io-world.png

2017-03-03T19:51:50Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-io-world.png"

File:Vmstat-cpu-world.png

2017-03-03T18:46:28Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-cpu-world.png"

File:Vmstat-system-world.png

2017-03-03T18:39:12Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-world.png"

File:Vmstat-system-world.png

2017-03-03T18:36:58Z

Daniela Plascencia: Daniela Plascencia uploaded a new version of "File:Vmstat-system-world.png"