On Fri, Dec 18, 2020 at 06:55:36PM +0100, Christian König wrote: > Instead of printing this on the per device pool. > > Signed-off-by: Christian König <christian.koenig@xxxxxxx> Hm shouldn't we remove this from radeon/amdgpu too and drop the EXPORT_SYMBOL for ttm_pool_debugfs? I'm kinda confused why we still have both ... -Daniel > --- > drivers/gpu/drm/ttm/ttm_pool.c | 70 ++++++++++++++++++++++++---------- > 1 file changed, 50 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c > index 7b2f60616750..1d61e8fc0e81 100644 > --- a/drivers/gpu/drm/ttm/ttm_pool.c > +++ b/drivers/gpu/drm/ttm/ttm_pool.c > @@ -42,6 +42,8 @@ > #include <drm/ttm/ttm_bo_driver.h> > #include <drm/ttm/ttm_tt.h> > > +#include "ttm_module.h" > + > /** > * struct ttm_pool_dma - Helper object for coherent DMA mappings > * > @@ -543,6 +545,17 @@ static unsigned int ttm_pool_type_count(struct ttm_pool_type *pt) > return count; > } > > +/* Print a nice header for the order */ > +static void ttm_pool_debugfs_header(struct seq_file *m) > +{ > + unsigned int i; > + > + seq_puts(m, "\t "); > + for (i = 0; i < MAX_ORDER; ++i) > + seq_printf(m, " ---%2u---", i); > + seq_puts(m, "\n"); > +} > + > /* Dump information about the different pool types */ > static void ttm_pool_debugfs_orders(struct ttm_pool_type *pt, > struct seq_file *m) > @@ -554,6 +567,35 @@ static void ttm_pool_debugfs_orders(struct ttm_pool_type *pt, > seq_puts(m, "\n"); > } > > +/* Dump the total amount of allocated pages */ > +static void ttm_pool_debugfs_footer(struct seq_file *m) > +{ > + seq_printf(m, "\ntotal\t: %8lu of %8lu\n", > + atomic_long_read(&allocated_pages), page_pool_size); > +} > + > +/* Dump the information for the global pools */ > +static int ttm_pool_debugfs_globals_show(struct seq_file *m, void *data) > +{ > + ttm_pool_debugfs_header(m); > + > + spin_lock(&shrinker_lock); > + seq_puts(m, "wc\t:"); > + ttm_pool_debugfs_orders(global_write_combined, m); > + seq_puts(m, "uc\t:"); > + ttm_pool_debugfs_orders(global_uncached, m); > + seq_puts(m, "wc 32\t:"); > + ttm_pool_debugfs_orders(global_dma32_write_combined, m); > + seq_puts(m, "uc 32\t:"); > + ttm_pool_debugfs_orders(global_dma32_uncached, m); > + spin_unlock(&shrinker_lock); > + > + ttm_pool_debugfs_footer(m); > + > + return 0; > +} > +DEFINE_SHOW_ATTRIBUTE(ttm_pool_debugfs_globals); > + > /** > * ttm_pool_debugfs - Debugfs dump function for a pool > * > @@ -566,23 +608,9 @@ int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m) > { > unsigned int i; > > - spin_lock(&shrinker_lock); > - > - seq_puts(m, "\t "); > - for (i = 0; i < MAX_ORDER; ++i) > - seq_printf(m, " ---%2u---", i); > - seq_puts(m, "\n"); > - > - seq_puts(m, "wc\t:"); > - ttm_pool_debugfs_orders(global_write_combined, m); > - seq_puts(m, "uc\t:"); > - ttm_pool_debugfs_orders(global_uncached, m); > - > - seq_puts(m, "wc 32\t:"); > - ttm_pool_debugfs_orders(global_dma32_write_combined, m); > - seq_puts(m, "uc 32\t:"); > - ttm_pool_debugfs_orders(global_dma32_uncached, m); > + ttm_pool_debugfs_header(m); > > + spin_lock(&shrinker_lock); > for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) { > seq_puts(m, "DMA "); > switch (i) { > @@ -598,12 +626,9 @@ int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m) > } > ttm_pool_debugfs_orders(pool->caching[i].orders, m); > } > - > - seq_printf(m, "\ntotal\t: %8lu of %8lu\n", > - atomic_long_read(&allocated_pages), page_pool_size); > - > spin_unlock(&shrinker_lock); > > + ttm_pool_debugfs_footer(m); > return 0; > } > EXPORT_SYMBOL(ttm_pool_debugfs); > @@ -660,6 +685,11 @@ int ttm_pool_mgr_init(unsigned long num_pages) > ttm_uncached, i); > } > > +#ifdef CONFIG_DEBUG_FS > + debugfs_create_file("page_pool", 0444, ttm_debugfs_root, NULL, > + &ttm_pool_debugfs_globals_fops); > +#endif > + > mm_shrinker.count_objects = ttm_pool_shrinker_count; > mm_shrinker.scan_objects = ttm_pool_shrinker_scan; > mm_shrinker.seeks = 1; > -- > 2.25.1 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel