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b38d85ef49
Renaming bpf_event__add_sb_event() to evlist__add_sb_event() and requiring that the evlist be allocated beforehand. This will allow using the same side band thread and evlist to be used for multiple purposes in addition to react to PERF_RECORD_BPF_EVENT soon after they are generated. Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Song Liu <songliubraving@fb.com> Link: http://lore.kernel.org/lkml/20200429131106.27974-4-acme@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
61 lines
1.4 KiB
C
61 lines
1.4 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 <pthread.h>
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#include <api/fd/array.h>
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#include <stdio.h>
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struct bpf_prog_info;
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struct machine;
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union perf_event;
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struct perf_env;
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struct perf_sample;
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struct perf_session;
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struct record_opts;
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struct evlist;
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struct target;
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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(struct machine *machine, union perf_event *event,
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struct perf_sample *sample);
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int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env);
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void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
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struct perf_env *env,
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FILE *fp);
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#else
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static inline int machine__process_bpf(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 evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused,
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struct perf_env *env __maybe_unused)
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{
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return 0;
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}
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static inline void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info __maybe_unused,
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struct perf_env *env __maybe_unused,
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FILE *fp __maybe_unused)
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{
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}
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#endif // HAVE_LIBBPF_SUPPORT
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#endif
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