X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/af0b220756571bc8faf57a0c7b7389dd86a60376..95f68f7b0fc4ffc700361484b6c792a8e03f3a13:/src/zmalloc.c

diff --git a/src/zmalloc.c b/src/zmalloc.c
index 1ebf68d1..a9ba0943 100644
--- a/src/zmalloc.c
+++ b/src/zmalloc.c
@@ -252,7 +252,7 @@ void zmalloc_set_oom_handler(void (*oom_handler)(size_t)) {
  * function RedisEstimateRSS() that is a much faster (and less precise)
  * version of the funciton. */
 
-#if defined(HAVE_PROCFS)
+#if defined(HAVE_PROC_STAT)
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -324,3 +324,28 @@ size_t zmalloc_get_rss(void) {
 float zmalloc_get_fragmentation_ratio(void) {
     return (float)zmalloc_get_rss()/zmalloc_used_memory();
 }
+
+#if defined(HAVE_PROC_SMAPS)
+size_t zmalloc_get_private_dirty(void) {
+    char line[1024];
+    size_t pd = 0;
+    FILE *fp = fopen("/proc/self/smaps","r");
+
+    if (!fp) return 0;
+    while(fgets(line,sizeof(line),fp) != NULL) {
+        if (strncmp(line,"Private_Dirty:",14) == 0) {
+            char *p = strchr(line,'k');
+            if (p) {
+                *p = '\0';
+                pd += strtol(line+14,NULL,10) * 1024;
+            }
+        }
+    }
+    fclose(fp);
+    return pd;
+}
+#else
+size_t zmalloc_get_private_dirty(void) {
+    return 0;
+}
+#endif