cudaError_t cudaLaunch(const void *entry)
{
static cudaError_t (*nv_cudaLaunch)(const char *) = NULL;
cudaError_t ret;
struct timeval t;
if(!nv_cudaLaunch) {
nv_cudaLaunch = dlsym(RTLD_NEXT, "cudaLaunch");
if(!nv_cudaLaunch) {
fprintf(stderr, "failed to find symbol cudaLaunch: %s\n", dlerror());
return cudaErrorSharedObjectSymbolNotFound;
}
}
gettimeofday(&t, NULL);
printf("[gvm] %lf intercepting cudaLaunch\n", t.tv_sec + t.tv_usec / 1000000.0);
ret = nv_cudaLaunch(entry);
cudaThreadSynchronize();
gettimeofday(&t, NULL);
printf("[gvm] %lf intercepted cudaLaunch\n", t.tv_sec + t.tv_usec / 1000000.0);
return ret;
}
GMM_EXPORT
cudaError_t cudaLaunch(const void *entry)
{
cudaError_t ret;
if (initialized)
ret = gmm_cudaLaunch(entry);
else {
gprint(WARN, "cudaLaunch called outside GMM\n");
ret = nv_cudaLaunch(entry);
}
return ret;
}
