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Date: Sun, 4 May 2014 13:20:29 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de> Subject: Re: [rfc][patch] perf,tools: Remove test_attr_* muck from perf.h On Fri, May 02, 2014 at 01:52:01PM +0200, Peter Zijlstra wrote: > On Thu, May 01, 2014 at 08:35:05PM +0200, Jiri Olsa wrote: > > On Thu, May 01, 2014 at 10:27:30AM +0200, Peter Zijlstra wrote: > > > Hi, > > > > > > I occasionally build the odd program against raw perf and use perf.h for > > > this. > > > > > > Now I find that no longer works because of: > > > > > > 52502bf201a85 ("perf tests: Add framework for automated perf_event_attr tests") > > > > > > So revert the hunk touching on perf.h. > > > > But but but, then you'll brake attr tests > > > > > > > > Also, it seems to be for snake shit only, and snakes stink, except on a > > > plane :-) > > > > wanna get to lwn quotes page, huh? ;) > > > > any details about the breakage? maybe we could find some > > way to make you happy and keep the snake shit in place > > linux-2.6/tools/perf# gcc -o perf_bug perf_bug.c > /tmp/cclObJsz.o: In function `sys_perf_event_open': > perf_bug.c:(.text+0x48): undefined reference to `test_attr__enabled' > perf_bug.c:(.text+0x72): undefined reference to `test_attr__open' > collect2: error: ld returned 1 exit status > > Initially perf.h was meant to have just the syscall wrapper and few > system level defines (like the membars etc..) > > But now its grown all kinds of gunk outside of that. > > So ideally we'd split the thing into two files, one which is a > stand-alone syscall wrapper + system utils things and one which includes > the former and adds all the perf (tool, not kernel) gunk on. > > I see all sorts of extern perf_{host,guest} things and util/target.h > includes.. that all should definitely move elsewhere. sounds good, I'll prepare something along those lines jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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