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Questions tagged [bootchart]

Bootchart is Boot Process Performance Visualization

Bootchart is Boot Process Performance Visualization. It is a tool for performance analysis and visualization of the OS boot process. In this case its Linux.

Resource Activity and process information are collected during the boot process and are later displayed in a chart for easy understanding

34 questions
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How may I improve my boot / shutdown time?

I have a pretty decent laptop (Intel Core i7-3520M CPU @ 2.90GHz, SataII SSD from Samsung, 8GB Ram), but I not satisfied with my boot and shutdown times... I have installed bootchart, and am trying to interpret it, but I don't understand some…
alci
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3 answers

How to measure desktop login time with bootchart

I've got an issue whereby after each reboot the first time I log into my session it takes ages. That is, it can take up to five minutes from the moment I enter my password until I can use the desktop. I was trying to use bootchart to debug the…
David Planella
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1 answer

How to check if ureadahead functioning

I got spinning 5400 rpm 1Gb drive. Booting takes 69 seconds (is it slow?) and /var/lib/ureadahead contains empty directory debugfs. That is why I wonder if ureadahead does its job. /var directory is on root partition ~ > df Filesystem Size …
zuba
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10
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3 answers

My boot time has increased by 25% in the past two months. How do I reduce it?

I used to have a boot time of ~35 seconds till 2-3 months back. Now it is about ~50 seconds or more. Shut down time has also doubled. Before it used to be at most 5 seconds. Now it is at-least 10 seconds. What is causing this ? More importantly,…
asheeshr
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How can I improve my boot time? (bootchart and dmesg output included)

I've noticed that my boot time lately has been unusually slow. I am running 12.04 a laptop with a 2.40GHz CPU and 4GB of RAM. I've run bootchart and dmesg, but I'm not sure how to use them to address the issue. Here's the bootchart: Here's the…
Mandy
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1 answer

How can I set up bootchart in Ubuntu 15.10?

This page says that I have to edit the "linux" line in the grub boot menu to set up bootchart. I do not understand what exactly it is that I have to do. Please help.
Ibraheem Moosa
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1 answer

How do I disable Bootchart?

I dont want a Bootchart to be generated on every startup. How do I disable bootchart ? Once disabled, how do I re-enable bootchart ? I don't mean uninstall.
asheeshr
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How do I analyze my bootchart in order to improve boot time?

I use Ubuntu 11.10. I have boot-chart installed but I have no clue on how to use it. Someone help me and others like me out there. How to find out what should not be running or something like that ? So far I haven't found a normal bootchart of…
twengg
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How to fix bootchart error

bootchart throws this error message. sudo pybootchartgui No path given, trying /var/log/bootchart.tgz warning: path '/var/log/bootchart.tgz' does not exist, ignoring. Parse error: empty state: '/var/log/bootchart.tgz' does not contain a valid…
user7044
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4
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1 answer

Is initrd.img (grub's "Loading initial ramdisk ...") slowing down my boot?

I'm on an SSD where file fragmentation shouldn't matter that much anyway but I noticed "loading initial ramdisk ..." message in grub is taking longer that I think it should. It lasts about 7 seconds before Plymouth runs. Plymouth itself only takes…
WinEunuuchs2Unix
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Ubuntu 13.10 slow boot Nvidia Graphics card

My boot time takes almost 2 mins and I have tested it with bootcharts. I do not know what is wrong and it started appearing only when I installed the drivers for my Nvidia Graphics card. EDIT: I'm using the nvidia 331.20 driver from Xorg-edgers.…
Albino_coffee
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Why is this laptop taking almost 1 minute to boot Ubuntu 13.04?

My dad's new HP Pavilion dv6 laptop running Ubuntu 13.04 takes almost a minute to boot up - it seems like it's hanging somewhere. Is there something I can do to easily fix it? I need some help deciphering the bootchart. Here it is: For better…
Benjamin
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Slow boot due to some IO wait

I would like to improve boot time of my system now it takes almost minute. The system boots from SSD. According to bootchart the system waits for something for at least 30 seconds and does almost nothing. The bootchart picure is below. I have two…
Petr Gladkikh
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1 answer

Why does Ubuntu delay a lot on booting?

I have a problem. My Ubuntu delays a lot to boot, my computer is 4GB RAM, Core2Duo 3.2Ghz This is my bootchart: http://img841.imageshack.us/img841/138/desktopmvx.png I can't understand what is the problem. Thank you. Original question in…
UbuntuUser2013
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bootchart 'No path given' error

I already installed pybootchartgui and boot chart in Ubuntu 16.04. After running sudo pybootchartgui or sudo bootchart this is the result: No path given, trying /var/log/bootchart.tgz warning: path '/var/log/bootchart.tgz' does not exist,…
Sadegh
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