On Wed, Apr 4, 2012 at 3:30 PM, Ben Noordhuis <[email protected]> wrote:
> On Wed, Apr 4, 2012 at 02:46, Vineet Gupta <[email protected]> > wrote: > > Got the output given below from the V8 profiler. Note the first line > which > > indicates a memory range. In our case this is contributing to most of our > > CPU utilization (95%) > > > > What is the meaning of this memory address range in the V8 output. Is > there > > a way of mapping this to our codebase? > > It's the address of the VDSO, the kernel gate so to speak. I wager > that your application spent most of its time sleeping in epoll_wait(), > i.e. was mostly idle. You can verify that with `strace -c`. > Hey, I am working on the same project. I have a follow up question. When we ran the application and monitored the cpu consumption using top, we noticed the utilization to be greater than 50% (sometimes touching 100%). Why would that happen if the application is idle? Regards, Satyam Shekhar > > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en
