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Subject[PATCH v2 1/2] perf build: Properly guard libbpf includes
From
Including libbpf header files should be guarded by
HAVE_LIBBPF_SUPPORT. In bpf_counter.h, move the skeleton utilities
under HAVE_BPF_SKEL.

Fixes: d6a735ef3277 ("perf bpf_counter: Move common functions to bpf_counter.h")
Reported-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/builtin-trace.c | 2 +
tools/perf/util/bpf_counter.h | 85 ++++++++++++++++++-----------------
2 files changed, 46 insertions(+), 41 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 86e06f136f40..d21fe0f32a6d 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -16,7 +16,9 @@

#include "util/record.h"
#include <api/fs/tracing_path.h>
+#ifdef HAVE_LIBBPF_SUPPORT
#include <bpf/bpf.h>
+#endif
#include "util/bpf_map.h"
#include "util/rlimit.h"
#include "builtin.h"
diff --git a/tools/perf/util/bpf_counter.h b/tools/perf/util/bpf_counter.h
index 4dbf26408b69..9113c8bf5cb0 100644
--- a/tools/perf/util/bpf_counter.h
+++ b/tools/perf/util/bpf_counter.h
@@ -4,9 +4,12 @@

#include <linux/list.h>
#include <sys/resource.h>
+
+#ifdef HAVE_LIBBPF_SUPPORT
#include <bpf/bpf.h>
#include <bpf/btf.h>
#include <bpf/libbpf.h>
+#endif

struct evsel;
struct target;
@@ -42,6 +45,47 @@ int bpf_counter__read(struct evsel *evsel);
void bpf_counter__destroy(struct evsel *evsel);
int bpf_counter__install_pe(struct evsel *evsel, int cpu_map_idx, int fd);

+static inline __u32 bpf_link_get_id(int fd)
+{
+ struct bpf_link_info link_info = { .id = 0, };
+ __u32 link_info_len = sizeof(link_info);
+
+ bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len);
+ return link_info.id;
+}
+
+static inline __u32 bpf_link_get_prog_id(int fd)
+{
+ struct bpf_link_info link_info = { .id = 0, };
+ __u32 link_info_len = sizeof(link_info);
+
+ bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len);
+ return link_info.prog_id;
+}
+
+static inline __u32 bpf_map_get_id(int fd)
+{
+ struct bpf_map_info map_info = { .id = 0, };
+ __u32 map_info_len = sizeof(map_info);
+
+ bpf_obj_get_info_by_fd(fd, &map_info, &map_info_len);
+ return map_info.id;
+}
+
+/* trigger the leader program on a cpu */
+static inline int bperf_trigger_reading(int prog_fd, int cpu)
+{
+ DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
+ .ctx_in = NULL,
+ .ctx_size_in = 0,
+ .flags = BPF_F_TEST_RUN_ON_CPU,
+ .cpu = cpu,
+ .retval = 0,
+ );
+
+ return bpf_prog_test_run_opts(prog_fd, &opts);
+}
+
#else /* HAVE_BPF_SKEL */

#include <linux/err.h>
@@ -87,45 +131,4 @@ static inline void set_max_rlimit(void)
setrlimit(RLIMIT_MEMLOCK, &rinf);
}

-static inline __u32 bpf_link_get_id(int fd)
-{
- struct bpf_link_info link_info = { .id = 0, };
- __u32 link_info_len = sizeof(link_info);
-
- bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len);
- return link_info.id;
-}
-
-static inline __u32 bpf_link_get_prog_id(int fd)
-{
- struct bpf_link_info link_info = { .id = 0, };
- __u32 link_info_len = sizeof(link_info);
-
- bpf_obj_get_info_by_fd(fd, &link_info, &link_info_len);
- return link_info.prog_id;
-}
-
-static inline __u32 bpf_map_get_id(int fd)
-{
- struct bpf_map_info map_info = { .id = 0, };
- __u32 map_info_len = sizeof(map_info);
-
- bpf_obj_get_info_by_fd(fd, &map_info, &map_info_len);
- return map_info.id;
-}
-
-/* trigger the leader program on a cpu */
-static inline int bperf_trigger_reading(int prog_fd, int cpu)
-{
- DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts,
- .ctx_in = NULL,
- .ctx_size_in = 0,
- .flags = BPF_F_TEST_RUN_ON_CPU,
- .cpu = cpu,
- .retval = 0,
- );
-
- return bpf_prog_test_run_opts(prog_fd, &opts);
-}
-
#endif /* __PERF_BPF_COUNTER_H */
--
2.39.0.314.g84b9a713c41-goog
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