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Message-Id: <20220904214134.408619-51-jim.cromie@gmail.com>
Date: Sun, 4 Sep 2022 15:41:27 -0600
From: Jim Cromie <jim.cromie@...il.com>
To: jbaron@...mai.com, gregkh@...uxfoundation.org,
dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
intel-gvt-dev@...ts.freedesktop.org,
intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: daniel.vetter@...ll.ch, seanpaul@...omium.org, robdclark@...il.com,
linux@...musvillemoes.dk, joe@...ches.com,
Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH v6 50/57] dyndbg: count unique callsites
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@...il.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
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