diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-12 15:31:28 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-18 12:23:58 -0300 |
| commit | 61d007138a44dc69265cf948eadd1759edbd3875 (patch) | |
| tree | 6f2576a080c390b9aed6d8a57c06b7b55e9b2a78 | |
| parent | b27b38ed9427b32e0194e03281e3a79dd49887b2 (diff) | |
perf bpf: Move perf_event_output() from stdio.h to bpf.h
So that we don't always carry that __bpf_output__ map, leaving that to
the scripts wanting to use that facility.
'perf trace' will be changed to look if that map is present and only
setup the bpf-output events if so.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-azwys8irxqx9053vpajr0k5h@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/include/bpf/bpf.h | 2 | ||||
| -rw-r--r-- | tools/perf/include/bpf/stdio.h | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index bd5d7b4d7760..e667577207dc 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -55,4 +55,6 @@ int _version SEC("version") = LINUX_VERSION_CODE; static int (*probe_read)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read; static int (*probe_read_str)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read_str; +static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) = (void *)BPF_FUNC_perf_event_output; + #endif /* _PERF_BPF_H */ diff --git a/tools/perf/include/bpf/stdio.h b/tools/perf/include/bpf/stdio.h index 2899cb7bfed8..316af5b2ff35 100644 --- a/tools/perf/include/bpf/stdio.h +++ b/tools/perf/include/bpf/stdio.h @@ -9,9 +9,6 @@ struct bpf_map SEC("maps") __bpf_stdout__ = { .max_entries = __NR_CPUS__, }; -static int (*perf_event_output)(void *, struct bpf_map *, int, void *, unsigned long) = - (void *)BPF_FUNC_perf_event_output; - #define puts(from) \ ({ const int __len = sizeof(from); \ char __from[__len] = from; \ |