tools/runqslower: Update perf_buffer__new() calls

Use v1.0+ compatible variant of perf_buffer__new() call to prepare for
deprecation.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211111053624.190580-9-andrii@kernel.org

diff --git a/tools/bpf/runqslower/runqslower.c b/tools/bpf/runqslower/runqslower.c
index d89715844952137ab4055630fc892a11096af911..2414cc764461c8d99b5eaf6a82eb266aca307903 100644 (file)
--- a/tools/bpf/runqslower/runqslower.c
+++ b/tools/bpf/runqslower/runqslower.c
@@ -123,7 +123,6 @@ int main(int argc, char **argv)
                .parser = parse_arg,
                .doc = argp_program_doc,
        };
-       struct perf_buffer_opts pb_opts;
        struct perf_buffer *pb = NULL;
        struct runqslower_bpf *obj;
        int err;
@@ -165,9 +164,8 @@ int main(int argc, char **argv)
        printf("Tracing run queue latency higher than %llu us\n", env.min_us);
        printf("%-8s %-16s %-6s %14s\n", "TIME", "COMM", "PID", "LAT(us)");
 
-       pb_opts.sample_cb = handle_event;
-       pb_opts.lost_cb = handle_lost_events;
-       pb = perf_buffer__new(bpf_map__fd(obj->maps.events), 64, &pb_opts);
+       pb = perf_buffer__new(bpf_map__fd(obj->maps.events), 64,
+                             handle_event, handle_lost_events, NULL, NULL);
        err = libbpf_get_error(pb);
        if (err) {
                pb = NULL;