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authorAndrii Nakryiko <andrii@kernel.org>2021-11-10 21:36:24 -0800
committerAlexei Starovoitov <ast@kernel.org>2021-11-11 16:54:06 -0800
commit164b04f27fbd769f57905dfddd2a8953974eeef4 (patch)
treee168c3961048232aba7e298b28a526890d5b468b /tools/bpf/bpftool/map_perf_ring.c
parenttools/runqslower: Update perf_buffer__new() calls (diff)
downloadwireguard-linux-164b04f27fbd769f57905dfddd2a8953974eeef4.tar.xz
wireguard-linux-164b04f27fbd769f57905dfddd2a8953974eeef4.zip
bpftool: Update btf_dump__new() and perf_buffer__new_raw() calls
Use v1.0-compatible variants of btf_dump and perf_buffer "constructors". This is also a demonstration of reusing struct perf_buffer_raw_opts as OPTS-style option struct for new perf_buffer__new_raw() API. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211111053624.190580-10-andrii@kernel.org
Diffstat (limited to 'tools/bpf/bpftool/map_perf_ring.c')
-rw-r--r--tools/bpf/bpftool/map_perf_ring.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/tools/bpf/bpftool/map_perf_ring.c b/tools/bpf/bpftool/map_perf_ring.c
index b98ea702d284..6b0c410152de 100644
--- a/tools/bpf/bpftool/map_perf_ring.c
+++ b/tools/bpf/bpftool/map_perf_ring.c
@@ -124,7 +124,7 @@ int do_event_pipe(int argc, char **argv)
.wakeup_events = 1,
};
struct bpf_map_info map_info = {};
- struct perf_buffer_raw_opts opts = {};
+ LIBBPF_OPTS(perf_buffer_raw_opts, opts);
struct event_pipe_ctx ctx = {
.all_cpus = true,
.cpu = -1,
@@ -190,14 +190,11 @@ int do_event_pipe(int argc, char **argv)
ctx.idx = 0;
}
- opts.attr = &perf_attr;
- opts.event_cb = print_bpf_output;
- opts.ctx = &ctx;
opts.cpu_cnt = ctx.all_cpus ? 0 : 1;
opts.cpus = &ctx.cpu;
opts.map_keys = &ctx.idx;
-
- pb = perf_buffer__new_raw(map_fd, MMAP_PAGE_CNT, &opts);
+ pb = perf_buffer__new_raw(map_fd, MMAP_PAGE_CNT, &perf_attr,
+ print_bpf_output, &ctx, &opts);
err = libbpf_get_error(pb);
if (err) {
p_err("failed to create perf buffer: %s (%d)",