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//
// Copyright (C) 2020 The Android Open Source Project
//
// 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.
//
//! Command to control profcollectd behaviour.
use anyhow::{bail, Context, Result};
use std::env;
const HELP_MSG: &str = r#"
usage: profcollectctl [command]
Command to control profcollectd behaviour.
command:
start Schedule periodic collection.
stop Terminate periodic collection.
once Request an one-off trace.
process Convert traces to perf profiles.
reconfig Refresh configuration.
report Create a report containing all profiles.
reset Clear all local data.
help Print this message.
"#;
fn main() -> Result<()> {
libprofcollectd::init_logging();
let args: Vec<String> = env::args().collect();
if args.len() != 2 {
bail!("This program only takes one argument{}", &HELP_MSG);
}
let action = &args[1];
match action.as_str() {
"start" => {
println!("Scheduling profile collection");
libprofcollectd::schedule().context("Failed to schedule collection.")?;
}
"stop" => {
println!("Terminating profile collection");
libprofcollectd::terminate().context("Failed to terminate collection.")?;
}
"once" => {
println!("Trace once");
libprofcollectd::trace_once("manual").context("Failed to trace.")?;
}
"process" => {
println!("Processing traces");
libprofcollectd::process().context("Failed to process traces.")?;
}
"report" => {
println!("Creating profile report");
let path = libprofcollectd::report().context("Failed to create profile report.")?;
println!("Report created at: {}", &path);
}
"reset" => {
libprofcollectd::reset().context("Failed to reset.")?;
println!("Reset done.");
}
"help" => println!("{}", &HELP_MSG),
arg => bail!("Unknown argument: {}\n{}", &arg, &HELP_MSG),
}
Ok(())
}
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