Bootchart is Boot Process Performance Visualization

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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:...
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Bootchart does not match the time

I was trying to figure out why the boot time for my computer was nearly 3 minutes so I fixed bootchart. But when I checked the log it says it only takes about 20s, and so does the dmesg... What could ...
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Ubuntu 14.04 Boots real slow

I have a Ubuntu 14.04 running on Intel® Core™ i5-4200U CPU @ 1.60GHz × 4 System boot takes a really long time. (1:40 seconds) as seen from bootchart. Attached, is my bootchart generated png which ...
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Long Ubuntu 14.04 boot

The boot time in my Ubuntu is very long, its actually taking more than one minute, when Windows booting in 20 seconds. Reinstalling Ubuntu doesn`t help me. I have Asus K52F notebook: Intel Core i3 ...
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693 views

How can I set up bootchart in Ubuntu 15.10? [duplicate]

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.
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Ubuntu 14.04 LTS long sleep on boot Raid 1

I've recently installed Ubuntu with raid 1 on 2 new 1 TB drives. Now for some reason it takes really long for it to boot. I've tried looking at it with Bootchart and it seems like it takes a lot of ...
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29 views

How to interpret bootchart's generated image

I am having a slow booting problem on ubuntu. It takes up to 1 min to boot. I am using dual boot windows 7/ubuntu 14.04. After exhaustive search on google I have no clue. At least I came up with a ...
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Extremely slow boot time - ubuntu 14.04 LTS

I installed Ubuntu only 2 days ago, but boot already became extremely slow - from 80sec to 300sec. I have tried some solutions, such as disabling some startup applications, and also installing ...
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459 views

How to access the grub boot menu in order to generate bootchart?

I am running Ubuntu Gnome 15.04, and I am wanting to generate a bootchart to help me diagnose some system problems, however in the guide it says: So how do I access the grub boot menu in order to ...
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92 views

Will removing pybootchartgui remove bootchart on 15.04?

I have just installed pybootchartgui with: sudo apt-get install pybootchartgui But now after reading this I have realised that as I am running Ubuntu Gnome 15.04, systemd already has the bootchart ...
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162 views

How to optimize boot time

my machine it takes 2 minutes to boot(I know big problem). Although I have a similarity on the other thread it does not explain how to achieve that great performance. I had installed bootchart as ...
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1k views

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 ...
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565 views

Bootchart and how to optimize boot time

I have spent some time researching how to decrease my boot time. I made several changes to my grub boot parameters. However I could really use some help to understanding what else I could do. I spent ...
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110 views

Why is Ubuntu booting very slowly?

I haven't used Ubuntu in some time, but as I booted it up again several minutes ago it took nearly 2 minutes to reach the login screen. I installed bootchart after that and did another reboot, and ...
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295 views

Bootchart statistics

What meaning do the following bootchart statistics have? CPU (user + sys) - show percentage of usage all cores of my CPU? I/O(wait) something wait input-output? What does it mean? Disk throughput ...
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368 views

boot with e4rat suddenly takes 20sec longer

A couple of days ago I set-up e4rat for my Ubuntu 14.04 running on a Lenovo Ideapad U330. The first couple of days it really did wonders, basically cutting the boot-time from 50sec to 25sec. Then ...
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990 views

BOOTCHART : not creating the bootchart after reboot

Should not bootchart create the image file after I restarted the system? It is not happening so. WHat should I be doing?
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1answer
6k views

Slow boot Ubuntu 14.04

A few months ago I changed on my Lenovo Q180 HTPC from Windows to Ubuntu (only Ubuntu installation, without dual boot). Now, after upgrading to Ubuntu 14.04 I am noticing a slowdown on boot. ...
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97 views

Can bootchart be configured to save only current log?

I found over a gigabyte of files in var/log/bootchart. I don't want any but the most recent file to be saved. Can this be done?
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Ubuntu 13.10 slow boot Nvidia Graphics card [closed]

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 ...
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213 views

Ubuntu 13.04 Slow boot on Insipiron 15R SE

I have a "trial-boot" win7,win8 and ubuntu 13.04, getting some extreme slowly boot on Ubuntu... Win8 and win7 works fine... Here is my BootChart. Some one knows how to fix it?
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770 views

Why does Ubuntu take so long to boot?

I'm having really slow boot times. I don't know what's going on with my computer, I did a fresh install of Ubuntu 12.04.2 and my boot time is really slow. How can I speed it up? This is the boot ...
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How can I improve my boot time? [duplicate]

I have horribly long boot time. I installed e4rat (done everything according to tutorial: http://rafalcieslak.wordpress.com/2013/03/17/e4rat-decreasing-bootup-time-on-hdd-drives/) but it actually hasn'...
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713 views

How to stop bootchart? [duplicate]

Bootchart set up png file every time machine starting. How to make bootchart nor working without remove it ? Thanks
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1k views

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 ...
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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.
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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 ...
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196 views

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 ...
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1answer
1k views

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 ...
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3k views

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 ...
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1answer
295 views

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 ...
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1k views

Extremely slow boot - ubuntu 12.04 64bit

Since installation of Ubuntu Precise I have problem with boot time: nearly 45-60 minutes. I have no idea what's wrong. My system is up to date. I have also boot chart installed but don't know to inter ...
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673 views

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 ?...
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362 views

Why does uninstalling bootchart makes Lubuntu slower?

I have Lubuntu 12.04 on my Toshiba netbook NB205: Atom CPU, 2GB ram... It runs nice except it boots really slow ~ 3 minutes. When I install bootchart + pybootchartgui to see what going on, the boot ...
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3answers
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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. ...
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3k views

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: '/...