Re: [PATCH bpf-next v4] selftests/bpf: Add LPM trie microbenchmarks
From: Alexei Starovoitov <hidden>
Date: 2025-08-26 23:50:03
Also in:
bpf, linux-kselftest, lkml
On Tue, Aug 26, 2025 at 6:12 AM Matt Fleming [off-list ref] wrote:
+static int baseline(__u32 index, __u32 *unused)
+{
+ struct trie_key key;
+ __s64 blackbox;
+
+ generate_key(&key);
+ /* Avoid compiler optimizing out the modulo */
+ barrier_var(blackbox);
+ blackbox = READ_ONCE(key.data);Overall looks good, but gcc-bpf found an actual issue. pw-bot: cr