Make process title - % complete

[Alex Kozlov]

On Tue, Oct 20, 2009 at 10:07:07AM +0200, Lars Engels wrote:
> Quoting Alex Kozlov <spam at rm-rf.kiev.ua>:
> 
> > On Mon, Oct 19, 2009 at 05:51:42PM +0200, Ivan Voras wrote:
> >> 2009/10/19 Alex Kozlov <spam at rm-rf.kiev.ua>:
> >> > On Mon, Oct 19, 2009 at 04:35:08PM +0200, Ivan Voras wrote:
> >> >> >> if nobody objects, I'll commit it :)
> >> >> >
> >> >> > I seem to recall that setproctitle() is quite expensive to   
> >> call; perhaps
> >> >> > it would make sense offer a flag to prevent make(1) from   
> >> calling it? [1]
> >> >> >
> >> >> > Anyway, the feature looks nice! I'd like to have it...
> >> >> >
> >> >> > [1] I'm unsure how expensive it is compared to fork(1)-ing etc; I'd
> >> >> >    expect it's negligable but who knows...
> >> >>
> >> >> The loop it's called in is not processed bazillion times per second
> >> >> (though it *is* called surprisingly often; small, fast jobs can result
> >> >> in somewhere in the order of magnitude of 100 iterations per second on
> >> >> a fast CPU). As you said - I expect it's negligable compared to fork()
> >> >> and the work jobs themselves do.
> >> > How about add this statistic to make info handler?
> >> You mean SIGINFO?
> > Yes
> 
> Using SIGINFO sounds nice, but make produces so much output that  
> normally you won't see the result because it is scrolled up just after  
> sending the signal.
Of course ps or top output much more convenient, but if setproctitle so
expencive and will be called so often, then SIGINFO may be good
compromise. 


--
Adios