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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3792cb2ff4
BTF contains information necessary to annotate BPF programs. This patch saves BTF for BPF programs loaded in the system. Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stanislav Fomichev <sdf@google.com> Cc: kernel-team@fb.com Link: http://lkml.kernel.org/r/20190312053051.2690567-9-songliubraving@fb.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_BPF_EVENT_H
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#define __PERF_BPF_EVENT_H
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#include <linux/compiler.h>
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#include <linux/rbtree.h>
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#include "event.h"
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struct machine;
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union perf_event;
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struct perf_sample;
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struct record_opts;
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struct bpf_prog_info_node {
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struct bpf_prog_info_linear *info_linear;
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struct rb_node rb_node;
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};
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struct btf_node {
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struct rb_node rb_node;
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u32 id;
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u32 data_size;
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char data[];
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};
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#ifdef HAVE_LIBBPF_SUPPORT
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int machine__process_bpf_event(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int perf_event__synthesize_bpf_events(struct perf_session *session,
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perf_event__handler_t process,
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struct machine *machine,
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struct record_opts *opts);
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#else
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static inline int machine__process_bpf_event(struct machine *machine __maybe_unused,
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union perf_event *event __maybe_unused,
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struct perf_sample *sample __maybe_unused)
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{
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return 0;
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}
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static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
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perf_event__handler_t process __maybe_unused,
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struct machine *machine __maybe_unused,
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struct record_opts *opts __maybe_unused)
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{
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return 0;
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}
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#endif // HAVE_LIBBPF_SUPPORT
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#endif
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