add utils to detect device io characteristics

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/Cargo.toml

@@ -64,6 +64,7 @@ chrono.workspace = true
 clap.workspace = true
 conduwuit-macros.workspace = true
 const-str.workspace = true
+core_affinity.workspace = true
 ctor.workspace = true
 cyborgtime.workspace = true
 either.workspace = true
@@ -86,6 +87,7 @@ serde_json.workspace = true
 serde_regex.workspace = true
 serde_yaml.workspace = true
 serde.workspace = true
+sysinfo.workspace = true
 thiserror.workspace = true
 tikv-jemallocator.optional = true
 tikv-jemallocator.workspace = true