Bootchart is Boot Process Performance Visualization

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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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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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Reduce my boot time

My computer startup time is longer than many of those that I have seen how can reduce it I have a few boot charts for my system here Can you please explain what I can do also if possible ...
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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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Slow startup with raid0 ssd… Bootchart

My laptop is an HP Elitebook with an RAID0 Samsung 840 evo (2x120GB) Array Windows loads fast, but ubuntu boot time is extremely slow - 02:49 minutes!! (also, the screen flickers weirdly as it shows ...
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2 min boot time Ubuntu 14.0

Ok I have a really long boot time on my ubuntu machine I've installed bootchart image attached but I don't know where to start looking for a fix:
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Weird “btrfs” item in bootchart without having any bootchart partition

I've bound two weird items in the bootchart: https://public.v6ak.com/bootchart-btrfs-ntb-precise-20140918-3.png There is "btrfs" and "btrfsctl". It seems that other processes are delayed after the ...
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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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Diagnostic large boot-times

I consistently have extra-large boot-times (but sucessful boot everytime nevertheless). I initially had short boot-times following a fresh install of Trusty 14.04 LTS (no upgrade path) on an HP 8510w. ...
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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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Slow booting of Ubuntu 12.04

I am facing a problem of slow booting in Ubuntu 12.04LTS -64bit. Currently I am using Samsung NP300E5X-S01IN , 4GB ram, 60GB ext4 ubuntu partition, 2GB swap, dual boot with Win 7. Currently my kernel ...
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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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Can someone help me analyze the bootchart & dmesg logs for my slow booting Ubuntu computer?

My Ubuntu computer takes 1-1.5 mins to boot up. Following tips from this question, I generated the bootchart and saw the logs from dmsec but I can't figure what's wrong. Can someone please help? ...
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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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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 ...
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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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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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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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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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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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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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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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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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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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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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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: ...