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#
# trace-memcpy.py
#
# uftrace-option: --nest-libcall -T memcpy@filter,arg3
#
# void *memcpy(void *dest, const void *src, size_t n);
#
# Only "memcpy" calls this script and other functions never.
UFTRACE_FUNCS = [ "memcpy" ]
count = 0
total_bytes = 0
def uftrace_begin(ctx):
pass
def uftrace_entry(ctx):
global count
global total_bytes
count += 1
total_bytes += ctx["args"][0]
def uftrace_exit(ctx):
pass
def uftrace_end():
global count
global total_bytes
print("%d times memcpy called" % count)
print("%d bytes copied" % total_bytes)
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