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qcacmn: Add magic string for memory leak debug

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Add magic string in the driver to automate the
memory debug analysis.

Change-Id: I79b6ef49fa5c1c5fb74c72b228c3dae05b483a77
CRs-Fixed: 2212167
This commit is contained in:
Kabilan Kannan
2018-03-13 11:25:11 -07:00
committed by nshrivas
parent 0cc3fc4ad8
commit 0cc70bc6ff
1 changed files with 14 additions and 0 deletions
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14
qdf/linux/src/qdf_mem.c
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@@ -63,6 +63,7 @@
/* Preprocessor Definitions and Constants */ /* Preprocessor Definitions and Constants */
#define QDF_MEM_MAX_MALLOC (4096 * 1024) /* 4 Mega Bytes */ #define QDF_MEM_MAX_MALLOC (4096 * 1024) /* 4 Mega Bytes */
#define QDF_MEM_WARN_THRESHOLD 300 /* ms */ #define QDF_MEM_WARN_THRESHOLD 300 /* ms */
#define QDF_DEBUG_STRING_SIZE 512
static qdf_list_t qdf_mem_domains[QDF_DEBUG_DOMAIN_COUNT]; static qdf_list_t qdf_mem_domains[QDF_DEBUG_DOMAIN_COUNT];
static qdf_spinlock_t qdf_mem_list_lock; static qdf_spinlock_t qdf_mem_list_lock;
@@ -408,6 +409,12 @@ static void qdf_mem_meta_table_print(struct __qdf_mem_info *table,
void *print_priv) void *print_priv)
{ {
int i; int i;
char debug_str[QDF_DEBUG_STRING_SIZE];
size_t len = 0;
char *debug_prefix = "WLAN_BUG_RCA: memory leak detected";
len += qdf_scnprintf(debug_str, sizeof(debug_str) - len,
"%s", debug_prefix);
for (i = 0; i < QDF_MEM_STAT_TABLE_SIZE; i++) { for (i = 0; i < QDF_MEM_STAT_TABLE_SIZE; i++) {
if (!table[i].count) if (!table[i].count)
@@ -420,7 +427,14 @@ static void qdf_mem_meta_table_print(struct __qdf_mem_info *table,
table[i].count * table[i].size, table[i].count * table[i].size,
kbasename(table[i].file), kbasename(table[i].file),
table[i].line, table[i].caller); table[i].line, table[i].caller);
len += qdf_scnprintf(debug_str + len,
sizeof(debug_str) - len,
" @ %s:%u %pS",
kbasename(table[i].file),
table[i].line,
table[i].caller);
} }
print(print_priv, "%s", debug_str);
} }
/** /**