Instead of printing this on the per device pool.
Signed-off-by: Christian König christian.koenig@amd.com --- 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;