General :: Measure GUI App Startup With Time(1)

Mar 12, 2010

I want to measure the startup time of any GUI app (e.g. firefox) using the time(1) command. However, timing is measured until the app is closed, which has to be done manually by exiting it or clicking X.

How can I get the app to load, terminate immediately and give me the startup time?

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General :: Short A Time Can Time (system Program) Measure?

Apr 15, 2010

I'm just wondering what the limits for time are. I have a program that always takes exactly 20 ms, so I assume this is the lowest it can measure, but I want to see if there's some sort of documentation of this.

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General :: Measure Script Execution Time?

Jan 4, 2011

In bash shell, is there a simple way for me to monitor the time taken to run a script and output the time taken?

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General :: Measure Kernel Space Time And User Space Time?

Nov 28, 2010

measure kernel space time and user space time?

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Programming :: Measure Time Of N Processes?

Oct 24, 2010

how can I measure time of N processes and N threads and then compare this time to prove that threads are faster than processes. understanding C code, or also for some good way to measure time of N processes and N threads for C.

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Programming :: Measure CPU Time Spent On A Code Block (with C Or C++)?

Jul 31, 2011

I have a C program like this:


I want to know how much CPU time spent on CODE_BLOCK. Since the process executing CODE_BLOCK may be preempted during execution, this CPU time may not be equal to the (wall-clock) time elapsed from the beginning of CODE_BLOCK to the end of it.

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Ubuntu :: Measure Time Needed To Copy A File From One Place To Another?

Apr 24, 2010

I was wondering if you could help me how to measure the time needed for Ubuntu to copy a file from one place to another.

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General :: Mount A Partition At The Time Of Startup?

Jan 18, 2010

i want to boot one of my partition mounted at start-up !! i don't want to do such thinks with typing password and all

there is no option called remember authentication in helena! but it is there in gloria (is it my problem or helena's?)

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General :: Uptime - Getting Date & Time Of System Startup?

Mar 28, 2011

I know that uptime prints the time a machine has been up and running, but is there an easier (reliable) way to get the date of the start up than counting down from this output?I tried looking around /proc, but didn't find anything of relevance. There's also a line like this on my dmesg: [ 0.673492] rtc_cmos rtc_cmos: setting system clock to 2011-03-14 14:26:52 UTC (1300112812), but I'm wondering if this method is distribution and kernel version agnostic.

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General :: How To Measure Synchronization Performance

Jul 9, 2010

I'm looking for a tool for Debian Linux that can measure the synchronisation performance between two desktops.

I'm using RADClock instead of the NTP client to synchronise my desktops.

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General :: Measure The Amount Of Usb Data ?

Jan 21, 2010

I would like to measure the amount of traffic my webcam is sending. What is the best way to do this? I tried iostat command, but i do not see the webcam traffic back.

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General :: Measure The Bandwidth Used By A Given Process After It Has Completed?

Feb 9, 2010

Is there a way to get a summary of how much bandwidth a given process used on Linux after the process completes? I do not want a monitor, I want something I can look at after the task has completed..

Ideally something like the "time" command or a profiler, but for network usage.

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General :: Measure How Fast Computer Boots Up

Jan 5, 2010

I just wanted to glean some sort of a general average and compare my system with everyones. post your computers:boot time of course hardware specifications (processor, HDD, RAM, etc.) distribution if it's a laptop or desktop (or a netbook ) Mine is 43 seconds, running Ubuntu 9.10 on a netbook. My hardware specs: Intel Atom 1.6 GHz 320 GB 7200 rpm HDD 2 GB RAM

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General :: Measure File Transfer Speed?

Jun 15, 2010

I have one Linux server equipped with WiFi . I want to measure data rate speed on this connection . Is there any utility on my Linux that can measure data speed on one specific Ethernet connection when transferring large size files through WiFi connection?

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General :: How To Measure Interrupt Latency Using C In System

Apr 22, 2010

Program code as how to measure interrupt latency..

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General :: Measure Or Track The Progress Of A Command On A GNU Distro?

May 18, 2010

If I run

cp file1 file2

I'd like to be able to track it's progress. Is there a command I can use for this?

rsync --progress

has this, but is there something generic, usable for "any" command?

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General :: How To Measure System Load On Ubuntu Media Center

Jun 6, 2011

I want to measure the system load on my Ubuntu media center computer. What commands and utilities are available? I've explored the w, top, iostat, and uptime commands. Anything else I could use?

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Ubuntu :: 10.04 Locks On Startup 50% Of Time

May 13, 2010

I've experienced this problem with a distribution upgrade and then subsequently with a clean install of Ubuntu 10.04. Basically half the time that I boot up Ubuntu, it completely locks up with the following messages on screen (Sorry, I had to take a picture since it was locked up)However, when it does boot correctly, it pauses for just a moment after displaying the above text, and then displays a few additional lines, after which it goes on to boot 'normally'.

The next lines show 'plymouth' and 'ureadahead' processes being killed. If these lines show up the boot continues normally, otherwise the boot process hangs at the first picture.It is pretty frustrating to have to perform a hard restart during nearly every other boot, and the hangs seem almost completely random. Sometimes, it happens a couple times in a row, sometimes I can boot normally several times in a row. It also doesn't seem to be related to a cold start, versus a restart.

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Ubuntu :: Hibernate And Startup At Time X And Y?

Jun 14, 2011

I'm working on a homeserver which is backupping all the (windows) pc's using cron and mount+rscync every 15 minutes. But between 23:00 PM and 8:00AM or till someone says START I want the PC to Hibernate. Automatically. How can I get this done?

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Fedora :: Analyze The Startup Time Of Your OS With Systemd?

Aug 17, 2011

We have seen with the release of Fedora 15, systemd is the new start-up services, which will replace SysVinit and Upstart on most Linux distributions. Here are some tips based on the order systemd-analyze, for analyzing the startup time of your OS.On commence avec l'option time, qui affiche le temps total de d�marrage de votre syst�me : (One starts with l' option time, which posts the total time of starting of your system: )

$ systemd-analyze time
Startup finished in 6385ms (kernel) + 3228ms (initrd) + 49335ms (userspace) = 58949ms


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Debian :: Auto Start Programs In Startup Time?

Sep 27, 2010

How to auto start programs in startup time?

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Ubuntu :: Put Frequently Used Programs In Ram For Faster Startup Time?

Jun 12, 2010

I was wondering if there is any tool or program that stores a copy of frequently used files eg. Binarys, program library's etc. in memory so when they are requested by the OS they load instantly. I'm asking because I have a system with plenty of ram but very slow hard disks. Having programs like opera and java/eclipse load from ram would greatly speed up their start time. Ideally they would be loaded into ram in the background after I log in. Of course all writes made to these files would have to be made to the files on disk for obvious reasons.I don't want the entire OS in ram because it will not fit, just frequently accessed files.

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Ubuntu Servers :: Get Apache To Startup At Boot Time?

Oct 25, 2010

which config files do I edit and how do I do it?

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Ubuntu :: Launch Script At Startup After Specific Time?

Jun 13, 2011

I'm running Ubuntu 10.10 in a computer with a 7200rpm HD, 8Gb Ram, and a Core i7, and the time it takes to load the desktop is insane. There are threads that mention the problem of gnome looking for nonexistent floppy drives and to solve the problem by disabling that in the BIOS (option I don't have). Anyway, besides that problem, by running at startup a gnome-terminal with the iotop command, I noticed that two processes have a huge i/o load on the system: google desktop and ubuntu one. I would like those programs to run as part of the startup process, but be launched after several seconds (to allow the rest of the programs to load). Is there any way I can achieve this? I think there should be a way modifying the commands under startup application, but I cannot find anything that works.

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Ubuntu Servers :: Black Screen On Startup Most Of The Time?

Aug 4, 2011

I'm having a problem with a server I just got. The first thing I did when I got it was to format the drive and install ubuntu server, but on booting up I got a black screen and my monitor (samsung syncmaster914v) displayed a bouncing notification with the text "not optimum mode recommended mode: 1280 x 1024 60hz". However at one by using a combination of plugging in the monitor after booting, and pressing random keys on the keyboard I was albe to boot into the server, and was able to access the monitor meu, which told me it was running at 640x480, and 60 hertz. having access to the console I stupidly tried changing the resolution and then rebooted, getting the same black screen.

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Fedora :: When Installed All The Updates And Rebooted, Startup Time Was Very Slow?

Jul 23, 2009

I got a message today telling me that there where 78 updates available. One of them was Kernel and when I installed all the updates and rebooted, my startup time was very slow. And when I checked the boot.log I noticed this:

Enabling the nvidia driver: *** glibc detected *** /usr/bin/python: free(): invalid pointer: 0x00f0e24a ***


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Ubuntu :: Set The Grub Startup Manager's Time To 0 Secs And Windows Xp As The Default OS

Jun 7, 2011

I accidentally set the grub startup manager's time to 0 secs and windows xp as the default OS. (I have windows xp and ubuntu on this laptop.)

Now when I turn on or restart my computer, it boots up straight to windows, I can no longer access the grub boot selection screen or my ubuntu OS.

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Software :: Make An Application Startup On Boot Time And Instantly Minimize?

Nov 12, 2010

Me and my mom are sharing a laptop.My mom likes to use Google Chrome. I like to use Opera. Is there any way I can tell the system to start the Opera application , but then instantly minimize it to the tray bar? I want that because : if my mom starts the computer and I'm not around , I still want all the tabs in my Opera to load , without my mom knowing anything about my "malefic" plan ...

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General :: Use "sar" Or Any Other Tools To Measure Cache Hit Ratios?

Jan 27, 2011

According to the manual of "sar" in Unix systems (, it allows to determine the number of accesses to system buffers (lread and lwrite). Thus, we can easily calculate the cache hit ratio of I/Os via the system buffer.

However, "sar" in Linux only measures I/Os to physical devices (as bread and bwrite), instead of those to the system buffer (

I need to measure cache hit ratios for I/Os on Linux system buffer, and was wondering if there's a way to use "sar" or any other similar tools to determine such ratios.

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General :: Change The Creation Time Of All A Folder's Files To The Current Time?

Jun 19, 2011

Under a Linux shell, how can I change the creation time of all a folder's files to the current time?

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