unimore/kernel-hacking-2024-linux-steffo
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perf build: Properly guard libbpf includes

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Including libbpf header files should be guarded by HAVE_LIBBPF_SUPPORT.
In bpf_counter.h, move the skeleton utilities under HAVE_BPF_SKEL.

Fixes: d6a735ef32 ("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>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Mike Leach <mike.leach@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20230105172243.7238-1-mike.leach@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2023-01-06 07:13:19 -08:00 committed by Arnaldo Carvalho de Melo
parent 6f9aba7f0d
commit d891f2b724
2 changed files with 8 additions and 0 deletions
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2
tools/perf/builtin-trace.c
View file

@ -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"

6
tools/perf/util/bpf_counter.h
View file

@ -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;
@ -87,6 +90,8 @@ static inline void set_max_rlimit(void)
setrlimit(RLIMIT_MEMLOCK, &rinf);
}
#ifdef HAVE_BPF_SKEL
static inline __u32 bpf_link_get_id(int fd)
{
struct bpf_link_info link_info = { .id = 0, };
@ -127,5 +132,6 @@ static inline int bperf_trigger_reading(int prog_fd, int cpu)
return bpf_prog_test_run_opts(prog_fd, &opts);
}
#endif /* HAVE_BPF_SKEL */
#endif /* __PERF_BPF_COUNTER_H */