rd.h

rd.h

// include macros from SystemTap project
#include <sys/sdt.h>

// ... lots of librdkafka code ...

static RD_INLINE RD_UNUSED void *rd_malloc(size_t sz) {
  void *p = malloc(sz);
  rd_assert(p);
  
  // Add a call to DTRACE_PROBE here to call our probe with the address
  // of the allocated memory
  DTRACE_PROBE1(librdkafka, rd_malloc, p);
	
  return p;
}

static RD_INLINE RD_UNUSED void rd_free(void *ptr) {
  // Call our probe here with the address of the memory being freed
  DTRACE_PROBE1(librdkafka, rd_free, ptr);
 
  free(ptr);
}

// ... lots more librdkafka code ...