bpf_enable_stats() is added to enable given stats.
Signed-off-by: Song Liu <songliubraving@xxxxxx>
---
tools/lib/bpf/bpf.c | 10 ++++++++++
tools/lib/bpf/bpf.h | 1 +
tools/lib/bpf/libbpf.map | 1 +
3 files changed, 12 insertions(+)
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 8f2f0958d446..43322f0d6c7f 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -841,3 +841,13 @@ int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len,
return err;
}
+
+int bpf_enable_stats(enum bpf_stats_type type)
+{
+ union bpf_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.enable_stats.type = type;
+
+ return sys_bpf(BPF_ENABLE_STATS, &attr, sizeof(attr));
+}
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 335b457b3a25..1901b2777854 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -231,6 +231,7 @@ LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf,
LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
__u64 *probe_offset, __u64 *probe_addr);
+LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type);
#ifdef __cplusplus
} /* extern "C" */
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index 7cd49aa38005..e03bd4db827e 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -257,6 +257,7 @@ LIBBPF_0.0.8 {
LIBBPF_0.0.9 {
global:
+ bpf_enable_stats;
bpf_link_get_fd_by_id;
bpf_link_get_next_id;
} LIBBPF_0.0.8;
--
2.24.1
