fh = fopen(abs_path, "r");
if (fh == NULL) {
char errbuf[1024];
ERROR("cgroups plugin: fopen (\"%s\") failed: %s", abs_path,
sstrerror(errno, errbuf, sizeof(errbuf)));
fh = fopen(abs_path, "r");
if (fh == NULL) {
char errbuf[1024];
ERROR("cgroups plugin: fopen (\"%s\") failed: %s", abs_path,
sstrerror(errno, errbuf, sizeof(errbuf)));