leif wrote: > Simon King wrote: >> Hi Nils, hi Leif, >> >> On 2016-09-08, leif <not.rea...@online.de> wrote: >>>> Googling suggests that this might be a part of glibc: >>>> >>>> https://github.com/lattera/glibc/blob/master/sysdeps/posix/system.c#L52 >> >> Aha! Since I expected it to be related with (c)python, I duckduckwent >> for "python do_system", but to no avail. Thanks for the hint. >> >>>> If that's indeed the do_system you're hitting then it would seem you're >>>> profiling quite a bit of OS interaction. >>> >>> Presumably smth like system("pip list") from is_package_installed()... 8-) >> >> Is do_system perhaps related with writing/reading files? The code does that >> a lot. > > No, it's presumably really (in) the C library function system() [1], in > Python os.system(). (I doubt you abuse it to write to or read from files.) > > Or maybe not. But are you (intentionally) using R? libR.so does define > a function of the same name as well, which on the other hand in turn is > apparently just a wrapper for the former.
R's do_system() actually uses [R_]popen(), not system(). -leif > > Or it is a function of some optional package you have installed. > > > -leif > > [1] man 3 system -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
