Thanks for the pointer to use /proc/stat However, that does not answer my other question about string slicing Any pointers in that direction would be helpful...
Thanks a lot! On 4/9/07, Jeff McNeil <[EMAIL PROTECTED]> wrote: > Can you pull the same information from /proc/stat as opposed to using > a pipe to top? The first line(s) should contain (at least): > > cpu usermode, lowprio, system, idle, hz. > > The 2.6 kernel adds iowait, irq, and soft irq. It seems that this > might be a better solution than executing that additional command. > > Take a look at proc(5). > > Thanks, > > Jeff > > > > > > On 4/9/07, Pradnyesh Sawant <[EMAIL PROTECTED]> wrote: > > Hello, > > I need the cpu usage of a linux box, for which i capture the output of > > "top" using "popen". However, i am facing problems during string > > handling. The code snippet is:- > > > > top = os.popen("top -n 1") > > rd = top.read().split("\n") > > splt = rd[2].split() > > # cpu = splt[2][:-4] # why ain't this working ??? > > cpu = splt[2] > > print "cpu usage: %s, %s" % (cpu, type(cpu)) > > > > the "print" statement prints, "cpu usage: 0.5%sy, <type 'str'>". i > > tried my best to get rid of the "%sy" after the "0.5", but couldn't > > succeed (even though the type of "cpu" is "string"). > > > > Also, one weird thing that was happening was that if i still "split" > > the cpu string (removed the last 4 characters), the output of the next > > print statement was wrong (specifically, the first 2 characters got > > chipped off). This output is totally unexpected, and wrong... > > > > Can anyone kindly help me in understanding what exactly is going on here. > > > > Thanks a lot! > > -- > > http://mail.python.org/mailman/listinfo/python-list > > > -- http://mail.python.org/mailman/listinfo/python-list