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// This file is part of Substrate.
// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
mod command;
mod writer;
use crate::shared::HostInfoParams;
use sc_cli::{
WasmExecutionMethod, WasmtimeInstantiationStrategy, DEFAULT_WASMTIME_INSTANTIATION_STRATEGY,
DEFAULT_WASM_EXECUTION_METHOD,
};
use std::{fmt::Debug, path::PathBuf};
// Add a more relaxed parsing for pallet names by allowing pallet directory names with `-` to be
// used like crate names with `_`
fn parse_pallet_name(pallet: &str) -> std::result::Result<String, String> {
Ok(pallet.replace("-", "_"))
}
/// Benchmark the extrinsic weight of FRAME Pallets.
#[derive(Debug, clap::Parser)]
pub struct PalletCmd {
/// Select a FRAME Pallet to benchmark, or `*` for all (in which case `extrinsic` must be `*`).
#[arg(short, long, value_parser = parse_pallet_name, required_unless_present_any = ["list", "json_input"])]
pub pallet: Option<String>,
/// Select an extrinsic inside the pallet to benchmark, or `*` for all.
#[arg(short, long, required_unless_present_any = ["list", "json_input"])]
pub extrinsic: Option<String>,
/// Select how many samples we should take across the variable components.
#[arg(short, long, default_value_t = 50)]
pub steps: u32,
/// Indicates lowest values for each of the component ranges.
#[arg(long = "low", value_delimiter = ',')]
pub lowest_range_values: Vec<u32>,
/// Indicates highest values for each of the component ranges.
#[arg(long = "high", value_delimiter = ',')]
pub highest_range_values: Vec<u32>,
/// Select how many repetitions of this benchmark should run from within the wasm.
#[arg(short, long, default_value_t = 20)]
pub repeat: u32,
/// Select how many repetitions of this benchmark should run from the client.
///
/// NOTE: Using this alone may give slower results, but will afford you maximum Wasm memory.
#[arg(long, default_value_t = 1)]
pub external_repeat: u32,
/// Print the raw results in JSON format.
#[arg(long = "json")]
pub json_output: bool,
/// Write the raw results in JSON format into the given file.
#[arg(long, conflicts_with = "json_output")]
pub json_file: Option<PathBuf>,
/// Don't print the median-slopes linear regression analysis.
#[arg(long)]
pub no_median_slopes: bool,
/// Don't print the min-squares linear regression analysis.
#[arg(long)]
pub no_min_squares: bool,
/// Output the benchmarks to a Rust file at the given path.
#[arg(long)]
pub output: Option<PathBuf>,
/// Add a header file to your outputted benchmarks.
#[arg(long)]
pub header: Option<PathBuf>,
/// Path to Handlebars template file used for outputting benchmark results. (Optional)
#[arg(long)]
pub template: Option<PathBuf>,
#[allow(missing_docs)]
#[clap(flatten)]
pub hostinfo_params: HostInfoParams,
/// Which analysis function to use when outputting benchmarks:
/// * min-squares (default)
/// * median-slopes
/// * max (max of min squares and median slopes for each value)
#[arg(long)]
pub output_analysis: Option<String>,
/// Which analysis function to use when analyzing measured proof sizes.
#[arg(long, default_value("median-slopes"))]
pub output_pov_analysis: Option<String>,
/// The PoV estimation mode of a benchmark if no `pov_mode` attribute is present.
#[arg(long, default_value("max-encoded-len"), value_enum)]
pub default_pov_mode: command::PovEstimationMode,
/// Set the heap pages while running benchmarks. If not set, the default value from the client
/// is used.
#[arg(long)]
pub heap_pages: Option<u64>,
/// Disable verification logic when running benchmarks.
#[arg(long)]
pub no_verify: bool,
/// Display and run extra benchmarks that would otherwise not be needed for weight
/// construction.
#[arg(long)]
pub extra: bool,
#[allow(missing_docs)]
#[clap(flatten)]
pub shared_params: sc_cli::SharedParams,
/// Method for executing Wasm runtime code.
#[arg(
long = "wasm-execution",
value_name = "METHOD",
value_enum,
ignore_case = true,
default_value_t = DEFAULT_WASM_EXECUTION_METHOD,
)]
pub wasm_method: WasmExecutionMethod,
/// The WASM instantiation method to use.
///
/// Only has an effect when `wasm-execution` is set to `compiled`.
#[arg(
long = "wasm-instantiation-strategy",
value_name = "STRATEGY",
default_value_t = DEFAULT_WASMTIME_INSTANTIATION_STRATEGY,
value_enum,
)]
pub wasmtime_instantiation_strategy: WasmtimeInstantiationStrategy,
/// DEPRECATED: This argument has no effect.
#[arg(long = "execution")]
pub execution: Option<String>,
/// Limit the memory the database cache can use.
#[arg(long = "db-cache", value_name = "MiB", default_value_t = 1024)]
pub database_cache_size: u32,
/// List the benchmarks that match your query rather than running them.
///
/// When nothing is provided, we list all benchmarks.
#[arg(long)]
pub list: bool,
/// If enabled, the storage info is not displayed in the output next to the analysis.
///
/// This is independent of the storage info appearing in the *output file*. Use a Handlebar
/// template for that purpose.
#[arg(long)]
pub no_storage_info: bool,
/// The assumed default maximum size of any `StorageMap`.
///
/// When the maximum size of a map is not defined by the runtime developer,
/// this value is used as a worst case scenario. It will affect the calculated worst case
/// PoV size for accessing a value in a map, since the PoV will need to include the trie
/// nodes down to the underlying value.
#[clap(long = "map-size", default_value = "1000000")]
pub worst_case_map_values: u32,
/// Adjust the PoV estimation by adding additional trie layers to it.
///
/// This should be set to `log16(n)` where `n` is the number of top-level storage items in the
/// runtime, eg. `StorageMap`s and `StorageValue`s. A value of 2 to 3 is usually sufficient.
/// Each layer will result in an additional 495 bytes PoV per distinct top-level access.
/// Therefore multiple `StorageMap` accesses only suffer from this increase once. The exact
/// number of storage items depends on the runtime and the deployed pallets.
#[clap(long, default_value = "2")]
pub additional_trie_layers: u8,
/// A path to a `.json` file with existing benchmark results generated with `--json` or
/// `--json-file`. When specified the benchmarks are not actually executed, and the data for
/// the analysis is read from this file.
#[arg(long)]
pub json_input: Option<PathBuf>,
/// Allow overwriting a single file with multiple results.
///
/// This exists only to restore legacy behaviour. It should never actually be needed.
#[arg(long)]
pub unsafe_overwrite_results: bool,
}