build: Omit instrumentation by default

Enables the `max_level_debug` tracing features to omit instrumentation
by default.

Signed-off-by: Jonathan Woollett-LIght <jcawl@amazon.co.uk>

Author: Jonathan Woollett-Light

src/api_server/Cargo.toml

@@ -21,7 +21,7 @@ mmds = { path = "../mmds" }
 seccompiler = { path = "../seccompiler" }
 utils = { path = "../utils" }
 vmm = { path = "../vmm" }
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 [dev-dependencies]
 libc = "0.2.117"

src/cpu-template-helper/Cargo.toml

@@ -17,7 +17,7 @@ libc = "0.2.147"
 serde = { version = "1.0.183", features = ["derive"] }
 serde_json = "1.0.104"
 thiserror = "1.0.44"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 vmm = { path = "../vmm" }
 

src/dumbo/Cargo.toml

@@ -11,7 +11,7 @@ bench = false
 [dependencies]
 bitflags = "1.3.2"
 derive_more = { version = "0.99.17", default-features = false, features = ["from"] }
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 logger = { path = "../logger" }
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", rev = "4b18a04" }

src/firecracker/Cargo.toml

@@ -19,7 +19,7 @@ log = "0.4.19"
 serde_json = "1.0.104"
 thiserror = "1.0.44"
 timerfd = "1.5.0"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 tracing-subscriber = "0.3.17"
 
 api_server = { path = "../api_server" }

src/jailer/Cargo.toml

@@ -17,6 +17,6 @@ libc = "0.2.147"
 nix = { version = "0.26.2", default-features = false, features = ["dir"] }
 regex = { version = "1.9.3", default-features = false, features = ["std"] }
 thiserror = "1.0.44"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 utils = { path = "../utils" }

src/logger/Cargo.toml

@@ -16,5 +16,5 @@ serde = { version = "1.0.136", features = ["derive", "rc"] }
 serde_json = "1.0.78"
 thiserror = "1.0.32"
 vm-superio = "0.7.0"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 utils = { path = "../utils" }

src/mmds/Cargo.toml

@@ -24,4 +24,4 @@ logger = { path = "../logger" }
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", rev = "4b18a04" }
 snapshot = { path = "../snapshot" }
 utils = { path = "../utils" }
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }

src/rebase-snap/Cargo.toml

@@ -13,6 +13,6 @@ bench = false
 [dependencies]
 libc = "0.2.147"
 thiserror = "1.0.40"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 utils = { path = "../utils" }

src/seccompiler/Cargo.toml

@@ -22,6 +22,6 @@ libc = "0.2.147"
 serde = { version = "1.0.183", features = ["derive"] }
 serde_json = "1.0.104"
 thiserror = "1.0.44"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 utils = { path = "../utils" }

src/snapshot/Cargo.toml

@@ -14,7 +14,7 @@ libc = "0.2.117"
 versionize = "0.1.10"
 versionize_derive = "0.1.5"
 thiserror = "1.0.32"
-tracing = "0.1.37"
+tracing = { version = "0.1.37", features = ["max_level_debug"] }
 
 [dev-dependencies]
 criterion = { version = "0.5.0", default-features = false }