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73 lines
2.4 KiB
73 lines
2.4 KiB
//
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// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//! Command to control profcollectd behaviour.
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use anyhow::{bail, Context, Result};
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use std::env;
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const HELP_MSG: &str = r#"
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usage: profcollectctl [command]
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Command to control profcollectd behaviour.
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command:
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start Schedule periodic collection.
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stop Terminate periodic collection.
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once Request an one-off trace.
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process Convert traces to perf profiles.
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report Create a report containing all profiles.
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reconfig Refresh configuration.
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help Print this message.
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"#;
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fn main() -> Result<()> {
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libprofcollectd::init_logging();
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let args: Vec<String> = env::args().collect();
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if args.len() != 2 {
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bail!("This program only takes one argument{}", &HELP_MSG);
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}
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let action = &args[1];
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match action.as_str() {
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"start" => {
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println!("Scheduling profile collection");
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libprofcollectd::schedule().context("Failed to schedule collection.")?;
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}
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"stop" => {
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println!("Terminating profile collection");
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libprofcollectd::terminate().context("Failed to terminate collection.")?;
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}
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"once" => {
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println!("Trace once");
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libprofcollectd::trace_once("manual").context("Failed to trace.")?;
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}
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"process" => {
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println!("Processing traces");
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libprofcollectd::process().context("Failed to process traces.")?;
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}
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"report" => {
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println!("Creating profile report");
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let path = libprofcollectd::report().context("Failed to create profile report.")?;
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println!("Report created at: {}", &path);
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}
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"help" => println!("{}", &HELP_MSG),
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arg => bail!("Unknown argument: {}\n{}", &arg, &HELP_MSG),
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}
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Ok(())
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}
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