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kata-shell: add loglevel command

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Syntax: loglevel [off, info, debug, warn, error, trace]

Change-Id: I6b480626783cd4bf069a7741d7f4670e96c967b6
GitOrigin-RevId: 527aefa1f2b00d17f7f703d43923463b660caa7e
This commit is contained in:
Sam Leffler 2021-07-27 17:09:13 -07:00
parent 0e740d7282
commit 1595b3ad6c
1 changed files with 22 additions and 0 deletions
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22
apps/system/components/DebugConsole/kata-shell/src/lib.rs
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@ -76,6 +76,7 @@ fn dispatch_command(cmdline: &str, output: &mut dyn io::Write) {
"add" => add_command(&mut args, output), "add" => add_command(&mut args, output),
"echo" => echo_command(cmdline, output), "echo" => echo_command(cmdline, output),
"clear" => clear_command(output), "clear" => clear_command(output),
"loglevel" => loglevel_command(&mut args, output),
"ps" => ps_command(), "ps" => ps_command(),
"test_alloc" => test_alloc_command(output), "test_alloc" => test_alloc_command(output),
@ -108,6 +109,27 @@ fn echo_command(cmdline: &str, output: &mut dyn io::Write) -> Result<(), Command
} }
} }
// Set/display the max log level for the DebugConsole.
// TODO(sleffler): support setting the log level in other components
fn loglevel_command(
args: &mut dyn Iterator<Item = &str>,
output: &mut dyn io::Write,
) -> Result<(), CommandError> {
if let Some(level) = args.nth(0) {
use log::LevelFilter;
match level {
"off" => log::set_max_level(LevelFilter::Off),
"debug" => log::set_max_level(LevelFilter::Debug),
"info" => log::set_max_level(LevelFilter::Info),
"error" => log::set_max_level(LevelFilter::Error),
"trace" => log::set_max_level(LevelFilter::Trace),
"warn" => log::set_max_level(LevelFilter::Warn),
_ => writeln!(output, "Unknown log level {}", level)?,
}
}
Ok(writeln!(output, "{}", log::max_level())?)
}
/// Implements a "ps" command that dumps seL4 scheduler state to the console. /// Implements a "ps" command that dumps seL4 scheduler state to the console.
fn ps_command() -> Result<(), CommandError> { fn ps_command() -> Result<(), CommandError> {
extern "C" { extern "C" {