Re: [PATCH] perf tools: Speed up git-version test on re-make

2013-10-02 Thread Namhyung Kim
On Wed, 2 Oct 2013 08:50:42 +0200, Ingo Molnar wrote: > * Namhyung Kim wrote: > >> On Tue, 1 Oct 2013 16:46:18 +0200, Ingo Molnar wrote: >> >> [SNIP] >> > >> > -$(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE >> > +$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD >> >@$(SHELL_PATH) util/PER

Re: [PATCH] perf tools: Speed up git-version test on re-make

2013-10-01 Thread Ingo Molnar
* Namhyung Kim wrote: > On Tue, 1 Oct 2013 16:46:18 +0200, Ingo Molnar wrote: > > [SNIP] > > > > -$(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE > > +$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD > > @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) > > + @touch $(OUTPUT)PERF-VERSION-F

Re: [PATCH] perf tools: Speed up git-version test on re-make

2013-10-01 Thread Namhyung Kim
On Tue, 1 Oct 2013 16:46:18 +0200, Ingo Molnar wrote: [SNIP] > > -$(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE > +$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD > @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) > + @touch $(OUTPUT)PERF-VERSION-FILE > > CC = $(CROSS_COMPILE)gcc >

[PATCH] perf tools: Speed up git-version test on re-make

2013-10-01 Thread Ingo Molnar
Another build speedup, while at it. ===> Subject: perf tools: Speed up git-version test on re-make From: Ingo Molnar Date: Tue Oct 1 16:28:09 CEST 2013 util/PERF-VERSION-GEN is currently executed on every build attempt, and this script can take a lot of time on trees that are at a s