diff options
Diffstat (limited to 'tools/perf/util/cgroup.h')
| -rw-r--r-- | tools/perf/util/cgroup.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/cgroup.h b/tools/perf/util/cgroup.h index 162906f3412a..f3c978746999 100644 --- a/tools/perf/util/cgroup.h +++ b/tools/perf/util/cgroup.h @@ -2,6 +2,7 @@ #ifndef __CGROUP_H__ #define __CGROUP_H__ +#include <linux/compiler.h> #include <linux/refcount.h> #include <linux/rbtree.h> #include "util/env.h" @@ -38,4 +39,13 @@ struct cgroup *cgroup__find(struct perf_env *env, uint64_t id); void perf_env__purge_cgroups(struct perf_env *env); +#ifdef HAVE_FILE_HANDLE +int read_cgroup_id(struct cgroup *cgrp); +#else +static inline int read_cgroup_id(struct cgroup *cgrp __maybe_unused) +{ + return -1; +} +#endif /* HAVE_FILE_HANDLE */ + #endif /* __CGROUP_H__ */ |