v0.2.3 - fix metrics feature breakage in v0.2.2 (#50)

Author: rc-andres

.circleci/config.yml

@@ -58,7 +58,7 @@ jobs:
       - run:
           name: cargo test
           command: |
-            sudo -E $HOME/.cargo/bin/cargo test -- --test-threads=1
+            sudo -E $HOME/.cargo/bin/cargo test --all-features -- --test-threads=1
 
 workflows:
   version: 2

Cargo.toml

@@ -4,7 +4,7 @@ description = "A pure-Rust library for managing eBPF programs."
 homepage = "https://github.com/redcanaryco/oxidebpf"
 repository = "https://github.com/redcanaryco/oxidebpf"
 readme = "README.md"
-version = "0.2.2"
+version = "0.2.3"
 license = "BSD-3-Clause"
 keywords = ["eBPF", "BPF", "linux"]
 categories = ["config", "data-structures", "os::linux-apis", "parsing"]

src/maps/mod.rs

@@ -340,8 +340,8 @@ impl<'a> PerfEventIterator<'a> {
                 ("cpu", map.cpuid.to_string()),
             ];
 
-            let used = (data_head - data_tail) % mmap_size as u64;
-            let pct_used = used as f64 / (mmap_size as f64 / 100_f64);
+            let used = (data_head - data_tail) % buffer_size as u64;
+            let pct_used = used as f64 / (buffer_size as f64 / 100_f64);
             metrics::histogram!("perfmap.buffer_unread_pct", pct_used, &labels);
         }