On Sat, 2005-07-23 at 10:38 -0700, Linus Torvalds wrote: > So maybe a few hints to the binutils people might just make them go: "try > this patch/cmdline flag", and solve many more problems. They likely have a > lot of this kind of code _already_, or have at least been thinking about > it. > > I personally believe that there's likely a lot more to be had from code > (and data) layout than there is from things like alias analysis or > aggressive inlining.
for userland it's not that complex and exists already; basically gprof has this analysis capability, and from that there's tooling (well I wrote it and I'm sure others did too) to create a linker script automatically to order things according to their gprof desired order. This gprof based approach is taking actual runtime patterns into account not just static callgraph analysis. For the kernel the runtime measurement is obviously tricky (kgprof anyone?) but the static analysis method really shouldn't be too hard. (well I guess "optimal" will be NP complete, but "pretty damn close" ought to be reasonable) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
