Re: [PATCH 3/3] tests/pm_rps: load harder

[Daniel Vetter <daniel@ffwll.ch>]

On Fri, Mar 14, 2014 at 09:41:13AM -0500, Jeff McGee wrote:
> On Fri, Mar 14, 2014 at 10:27:48AM +0100, Daniel Vetter wrote:
> > Big core platforms need some seriuos omph to break a sweat.
> > 
> > This fixes min-max-config-loaded here on my ivb.
> > 
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75146
> > Cc: Jeff McGee <jeff.mcgee@intel.com>
> > Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> > ---
> >  tests/pm_rps.c | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> > 
> > diff --git a/tests/pm_rps.c b/tests/pm_rps.c
> > index fc6bac647f4a..b5dd494443ff 100644
> > --- a/tests/pm_rps.c
> > +++ b/tests/pm_rps.c
> > @@ -156,6 +156,7 @@ static struct load_helper {
> >  	enum load load;
> >  	bool exit;
> >  	struct igt_helper_process igt_proc;
> > +	drm_intel_bo *src, *dst;
> >  } lh;
> >  
> >  static void load_helper_signal_handler(int sig)
> > @@ -195,6 +196,7 @@ static void emit_store_dword_imm(uint32_t val)
> >  }
> >  
> >  #define LOAD_HELPER_PAUSE_USEC 500
> > +#define LOAD_HELPER_BO_SIZE (16*1024*1024)
> >  static void load_helper_set_load(enum load load)
> >  {
> >  	assert(lh.igt_proc.running);
> > @@ -226,6 +228,10 @@ static void load_helper_run(enum load load)
> >  		signal(SIGUSR2, load_helper_signal_handler);
> >  
> >  		while (!lh.exit) {
> > +			if (lh.load == HIGH)
> > +				intel_copy_bo(lh.batch, lh.dst, lh.dst,
> > +					      LOAD_HELPER_BO_SIZE);
> > +
> Did you mean to use lh.src here?
> >  			emit_store_dword_imm(val);
> >  			intel_batchbuffer_flush_on_ring(lh.batch, 0);
> >  			val++;
> > @@ -270,6 +276,13 @@ static void load_helper_init(void)
> >  	lh.target_buffer = drm_intel_bo_alloc(lh.bufmgr, "target bo",
> >  					      4096, 4096);
> >  	igt_assert(lh.target_buffer);
> > +
> > +	lh.dst = drm_intel_bo_alloc(lh.bufmgr, "dst bo",
> > +				    LOAD_HELPER_BO_SIZE, 4096);
> > +	igt_assert(lh.dst);
> > +	lh.src = drm_intel_bo_alloc(lh.bufmgr, "src bo",
> > +				    LOAD_HELPER_BO_SIZE, 4096);
> > +	igt_assert(lh.src);
> >  }
> >  
> >  static void load_helper_deinit(void)
> Should we free these in load_helper_deinit?

I've thrown a fixup patch on top with these two things fixed. Thanks a lot
for your feedback.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch