Hi James, El viernes, 13 de marzo de 2015, James Bowlin <[email protected]> escribió:
> TL;DR: the current busybox (or my code) seems to be broken on one > or two systems out of thousands; crucial modules don't get loaded > using hotplug + coldplug. Please give me a runtime option so I > can give my users a boot-time option to try the new approach. You are talking about a possible bug in the current implementation. In my opinion this is completely independent from whether a redesign/architecture change is required or wanted. [...] > > BTW: I try to time most things in my initrd init script to keep > an eye on what slows things down so we can stay as speedy as > possible. I use: > > cut -d" " -f22 /proc/self/stat > > to get the time in hundredths of a second since the kernel > booted. But this itself and the associated arithmetic is not > free time-wise. So I disable most of the timing when I'm not in > debug mode. If there is a better/faster way to get the time to > hundredths of a second or better, PLMK. On embedded targets I normally use grabserial for boot timing ( http://elinux.org/Grabserial) Just in case it's useful. Guillermo -- Guillermo Rodriguez Garcia [email protected]
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