Instead of printing this on the per device pool.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
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
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