Re: [PATCH i-g-t 1/7] intel-gpu-overlay: Move local perf implementation to a library

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Quoting Tvrtko Ursulin (2017-09-25 16:14:56)
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
>  lib/Makefile.sources             | 2 ++
>  overlay/perf.c => lib/igt_perf.c | 2 +-
>  overlay/perf.h => lib/igt_perf.h | 2 ++
>  overlay/Makefile.am              | 6 ++----
>  overlay/gem-interrupts.c         | 3 ++-
>  overlay/gpu-freq.c               | 3 ++-
>  overlay/gpu-perf.c               | 3 ++-
>  overlay/gpu-top.c                | 3 ++-
>  overlay/power.c                  | 3 ++-
>  overlay/rc6.c                    | 3 ++-
>  10 files changed, 19 insertions(+), 11 deletions(-)
>  rename overlay/perf.c => lib/igt_perf.c (94%)
>  rename overlay/perf.h => lib/igt_perf.h (99%)
> 
> diff --git a/lib/Makefile.sources b/lib/Makefile.sources
> index 53fdb54cbfa5..c031cb502469 100644
> --- a/lib/Makefile.sources
> +++ b/lib/Makefile.sources
> @@ -16,6 +16,8 @@ lib_source_list =             \
>         igt_gt.h                \
>         igt_gvt.c               \
>         igt_gvt.h               \
> +       igt_perf.c              \
> +       igt_perf.h              \
>         igt_primes.c            \
>         igt_primes.h            \
>         igt_rand.c              \
> diff --git a/overlay/perf.c b/lib/igt_perf.c
> similarity index 94%
> rename from overlay/perf.c
> rename to lib/igt_perf.c
> index b8fdc675c587..45cccff0ae53 100644
> --- a/overlay/perf.c
> +++ b/lib/igt_perf.c
> @@ -3,7 +3,7 @@
>  #include <unistd.h>
>  #include <stdlib.h>
>  
> -#include "perf.h"
> +#include "igt_perf.h"
>  
>  uint64_t i915_type_id(void)
>  {
> diff --git a/overlay/perf.h b/lib/igt_perf.h
> similarity index 99%
> rename from overlay/perf.h
> rename to lib/igt_perf.h
> index c44e65f9734c..a80b311cd1d1 100644
> --- a/overlay/perf.h
> +++ b/lib/igt_perf.h
> @@ -1,6 +1,8 @@
>  #ifndef I915_PERF_H
>  #define I915_PERF_H
>  
> +#include <stdint.h>
> +
>  #include <linux/perf_event.h>
>  
>  #define I915_SAMPLE_BUSY       0
> diff --git a/overlay/Makefile.am b/overlay/Makefile.am
> index 5472514efc16..c66a80f4e571 100644
> --- a/overlay/Makefile.am
> +++ b/overlay/Makefile.am
> @@ -4,8 +4,8 @@ endif
>  
>  AM_CPPFLAGS = -I.
>  AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(CWARNFLAGS) \
> -       $(CAIRO_CFLAGS) $(OVERLAY_CFLAGS) $(WERROR_CFLAGS)
> -LDADD = $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(OVERLAY_LIBS)
> +       $(CAIRO_CFLAGS) $(OVERLAY_CFLAGS) $(WERROR_CFLAGS) -I$(srcdir)/../lib
> +LDADD = $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(OVERLAY_LIBS) $(top_builddir)/lib/libintel_tools.la

It was a conscious decision that tools wouldn't pull in the test lib. We
are nowhere close to having a stable library api, i.e. a long way from
being installable. An issue if this is turned into a .so, which has
happened in a nearby universe.
-Chris
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