Add a --disable-hardware-benchmarks CLI argument

client/cli/src/commands/run_cmd.rs

@@ -253,6 +253,16 @@ pub struct RunCmd {
 	/// When `--dev` is given and no explicit `--base-path`, this option is implied.
 	#[clap(long, conflicts_with = "base-path")]
 	pub tmp: bool,
+
+	/// Disable automatic hardware benchmarks.
+	///
+	/// By default these benchmarks are automatically ran at startup and measure
+	/// the CPU speed, the memory bandwidth and the disk speed.
+	///
+	/// The results are then printed out in the logs, and also sent as part of
+	/// telemetry, if telemetry is enabled.
+	#[clap(long)]
+	pub disable_hardware_benchmarks: bool,
 }
 
 impl RunCmd {
@@ -477,6 +487,10 @@ impl CliConfiguration for RunCmd {
 			}
 		})
 	}
+
+	fn disable_hardware_benchmarks(&self) -> Result<bool> {
+		Ok(self.disable_hardware_benchmarks)
+	}
 }
 
 /// Check whether a node name is considered as valid.

client/cli/src/config.rs

@@ -415,6 +415,13 @@ pub trait CliConfiguration<DCV: DefaultConfigurationValues = ()>: Sized {
 		Ok(Default::default())
 	}
 
+	/// Returns `Ok(true)` if the hardware benchmarks should be disabled
+	///
+	/// By default this is `true` unless overriden.
+	fn disable_hardware_benchmarks(&self) -> Result<bool> {
+		Ok(true)
+	}
+
 	/// Get the development key seed from the current object
 	///
 	/// By default this is `None`.
@@ -546,6 +553,7 @@ pub trait CliConfiguration<DCV: DefaultConfigurationValues = ()>: Sized {
 			base_path: Some(base_path),
 			informant_output_format: Default::default(),
 			runtime_cache_size,
+			disable_hardware_benchmarks: self.disable_hardware_benchmarks()?,
 		})
 	}
 

client/service/src/builder.rs

@@ -504,7 +504,11 @@ where
 	};
 
 	let sysinfo = crate::sysinfo::gather_sysinfo();
-	let hwbench = crate::sysinfo::gather_hwbench(database_path);
+	let hwbench = if config.disable_hardware_benchmarks {
+		None
+	} else {
+		Some(crate::sysinfo::gather_hwbench(database_path))
+	};
 
 	info!("💻 Operating system: {}", TARGET_OS);
 	info!("💻 CPU architecture: {}", TARGET_ARCH);
@@ -530,14 +534,16 @@ where
 		info!("💻 Virtual machine: {}", if is_virtual_machine { "yes" } else { "no" });
 	}
 
-	info!("🏁 CPU score: {}MB/s", hwbench.cpu_score);
-	info!("🏁 Memory score: {}MB/s", hwbench.memory_score);
+	if let Some(ref hwbench) = hwbench {
+		info!("🏁 CPU score: {}MB/s", hwbench.cpu_score);
+		info!("🏁 Memory score: {}MB/s", hwbench.memory_score);
 
-	if let Some(score) = hwbench.disk_sequential_write_score {
-		info!("🏁 Disk score (seq. writes): {}MB/s", score);
-	}
-	if let Some(score) = hwbench.disk_random_write_score {
-		info!("🏁 Disk score (rand. writes): {}MB/s", score);
+		if let Some(score) = hwbench.disk_sequential_write_score {
+			info!("🏁 Disk score (seq. writes): {}MB/s", score);
+		}
+		if let Some(score) = hwbench.disk_random_write_score {
+			info!("🏁 Disk score (rand. writes): {}MB/s", score);
+		}
 	}
 
 	let telemetry = telemetry
@@ -548,7 +554,7 @@ where
 				client.clone(),
 				telemetry,
 				Some(sysinfo),
-				Some(hwbench),
+				hwbench,
 			)
 		})
 		.transpose()?;

client/service/src/config.rs

@@ -132,6 +132,14 @@ pub struct Configuration {
 	pub informant_output_format: sc_informant::OutputFormat,
 	/// Maximum number of different runtime versions that can be cached.
 	pub runtime_cache_size: u8,
+	/// Disable automatic hardware benchmarks.
+	///
+	/// By default these benchmarks are automatically ran at startup and measure
+	/// the CPU speed, the memory bandwidth and the disk speed.
+	///
+	/// The results are then printed out in the logs, and also sent as part of
+	/// telemetry, if telemetry is enabled.
+	pub disable_hardware_benchmarks: bool,
 }
 
 /// Type for tasks spawned by the executor.

client/service/test/src/lib.rs

@@ -261,6 +261,7 @@ fn node_config<
 		base_path: Some(BasePath::new(root)),
 		informant_output_format: Default::default(),
 		runtime_cache_size: 2,
+		disable_hardware_benchmarks: true,
 	}
 }