[Intel-gfx] [PATCH v6 50/57] dyndbg: count unique callsites

Jim Cromie
2022-09-04T21:49:55Z

Count de-duplicated callsites. Since the _ddebug_site excludes
lineno, all callsites in a function are identical, and this
effectively counts functions in the module with callsites.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
---
lib/dynamic_debug.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 91fe7fb5dda9..891d70d7fed4 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1348,7 +1348,7 @@ static int __ddebug_add_module(struct _ddebug_info *di, unsigned int base,
unsigned int *packed_base)
{
struct ddebug_table *dt;
- int i;
+ int i, num_funcs = 0;

v3pr_info("add-module: %s %d/%d sites, start: %d\n", modname, di->num_descs, di->num_sites, base);
if (!di->num_descs) {
@@ -1381,12 +1381,11 @@ static int __ddebug_add_module(struct _ddebug_info *di, unsigned int base,
//BUG_ON(di->num_descs != di->num_sites);

for (i = 0; i < di->num_descs; i++) {
-
- if (di->sites[i]._function != packed_sites[(*packed_base)]._function)
-
+ if (di->sites[i]._function != packed_sites[(*packed_base)]._function) {
+ num_funcs++;
memcpy((void *) &packed_sites[++(*packed_base)],
(void *) &di->sites[i], sizeof(struct _ddebug_site));
-
+ }
di->descs[i]._index = i + base;
di->descs[i]._map = *packed_base;

@@ -1397,7 +1396,7 @@ static int __ddebug_add_module(struct _ddebug_info *di, unsigned int base,
list_add_tail(&dt->link, &ddebug_tables);
mutex_unlock(&ddebug_lock);

- vpr_info("%3u debug prints in module %s\n", di->num_descs, modname);
+ vpr_info("%3u debug prints in %d functions, in module %s\n", di->num_descs, num_funcs, modname);
return 0;
}

--
2.37.2