perf bench uprobe: Add uretprobe variant of uprobe benchmarks

Name benchmarks with _ret at the end to avoid creating a new set of
benchmarks.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kees Kook <keescook@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240406040911.1603801-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/tools/perf/util/bpf_skel/bench_uprobe.bpf.c b/tools/perf/util/bpf_skel/bench_uprobe.bpf.c
index 2c55896bb33c..a01c7f791fcd 100644
--- a/tools/perf/util/bpf_skel/bench_uprobe.bpf.c
+++ b/tools/perf/util/bpf_skel/bench_uprobe.bpf.c
@@ -4,6 +4,7 @@
 #include <bpf/bpf_tracing.h>
 
 unsigned int nr_uprobes;
+unsigned int nr_uretprobes;
 
 SEC("uprobe")
 int BPF_UPROBE(empty)
@@ -20,4 +21,19 @@ int BPF_UPROBE(trace_printk)
 	return 0;
 }
 
+SEC("uretprobe")
+int BPF_URETPROBE(empty_ret)
+{
+	return 0;
+}
+
+SEC("uretprobe")
+int BPF_URETPROBE(trace_printk_ret)
+{
+	char fmt[] = "perf bench uretprobe %u";
+
+	bpf_trace_printk(fmt, sizeof(fmt), ++nr_uretprobes);
+	return 0;
+}
+
 char LICENSE[] SEC("license") = "Dual BSD/GPL";