straceMalloc

commit 5f7bb864772fd4ef262b76b2464968ea5375d550
parent debdd416af148e4fec8bc4f8aa37fe936917cd93
Author: Remy Noulin <loader2x@gmail.com>
Date:   Fri,  6 Apr 2018 16:46:31 +0200

add realloc

malloc.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

Diffstat:
M
malloc.c
 | 
28
++++++++++++++++++++++++++++

1 file changed, 28 insertions(+), 0 deletions(-)
diff --git a/malloc.c b/malloc.c
@@ -51,4 +51,32 @@ int main(int ARGC, char** ARGV) {
   }
   end   = getMonotonicTime();
   printf("2 - access malloc'd buffers - time: %ldms\n", (end-start)/1000000);
+
+  put
+  puts("realloc");
+  range(i, COUNT) {
+    
+    start = getMonotonicTime();
+    pointers[i] = realloc(pointers[i], (1<<i)*1024 + (1<<i)*1024);
+    end   = getMonotonicTime();
+    printf("%d %p size: %dKB, time: %ldns\n", (int)i ,pointers[i], 1<<i, end-start);
+  }
+
+  put
+  range(i, COUNT) {
+    
+    start = getMonotonicTime();
+    pointers[i] = realloc(pointers[i], (1<<i)*1024 - 128);
+    end   = getMonotonicTime();
+    printf("%d %p size: %dKB, time: %ldns\n", (int)i ,pointers[i], 1<<i, end-start);
+  }
+
+  put
+  puts("free");
+  range(i, COUNT) {
+    start = getMonotonicTime();
+    free(pointers[i]);
+    end   = getMonotonicTime();
+    printf("%d %p size: %dKB, time: %ldns\n", (int)i ,pointers[i], 1<<i, end-start);
+  }
 }