mirror of
https://github.com/ivabus/speakersafetyd
synced 2024-11-10 02:15:16 +03:00
blackbox: Add black-box debug functionality
On any panic, we dump out the last ~30 seconds of IVSENSE data along with the starting state and panic reason. Also add a feature to panic if the gain reduces too much. This can be used to try to catch badness. Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin
parent
a476f7daf1
commit
7fbb53df51
255
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@ -24,6 +24,21 @@ dependencies = [
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"pkg-config",
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@ -47,6 +68,12 @@ version = "2.4.0"
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@ -59,6 +86,20 @@ version = "1.0.0"
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[[package]]
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@ -123,6 +164,12 @@ version = "2.1.0"
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@ -165,6 +212,29 @@ version = "0.3.1"
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"libc",
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"alsa",
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"configparser",
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"json",
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"log",
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"simple_logger",
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|
||||
checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.42.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.42.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
|
|
|
|||
|
|
@ -13,3 +13,5 @@ clap = { version = "4.1.6", features=["derive"] }
|
|||
log = "0.4.17"
|
||||
clap-verbosity-flag = "2.0.0"
|
||||
simple_logger = "1.16.0"
|
||||
chrono = "0.4.31"
|
||||
json = "0.12.4"
|
||||
|
|
|
|||
111
src/blackbox.rs
Normal file
111
src/blackbox.rs
Normal file
|
|
@ -0,0 +1,111 @@
|
|||
use crate::types::SpeakerState;
|
||||
use chrono;
|
||||
use log::warn;
|
||||
use std::fs::File;
|
||||
use std::io;
|
||||
use std::io::Write;
|
||||
use std::path::Path;
|
||||
use std::slice;
|
||||
|
||||
use json::object;
|
||||
|
||||
struct Block {
|
||||
sample_rate: i32,
|
||||
state: Vec<Vec<SpeakerState>>,
|
||||
data: Vec<i16>,
|
||||
}
|
||||
|
||||
pub struct Blackbox {
|
||||
machine: String,
|
||||
globals: crate::types::Globals,
|
||||
path: Box<Path>,
|
||||
blocks: Vec<Block>,
|
||||
}
|
||||
|
||||
/// Maximum number of blocks in the ring buffer (around 30 seconds at 4096/48000)
|
||||
const MAX_BLOCKS: usize = 330;
|
||||
|
||||
impl Blackbox {
|
||||
pub fn new(machine: &str, path: &Path, globals: &crate::types::Globals) -> Blackbox {
|
||||
Blackbox {
|
||||
machine: machine.into(),
|
||||
globals: globals.clone(),
|
||||
path: path.into(),
|
||||
blocks: Vec::new(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn reset(&mut self) {
|
||||
self.blocks.clear();
|
||||
}
|
||||
|
||||
pub fn push(&mut self, sample_rate: i32, data: Vec<i16>, state: Vec<Vec<SpeakerState>>) {
|
||||
while self.blocks.len() >= MAX_BLOCKS {
|
||||
self.blocks.remove(0);
|
||||
}
|
||||
self.blocks.push(Block {
|
||||
sample_rate,
|
||||
state,
|
||||
data,
|
||||
})
|
||||
}
|
||||
|
||||
pub fn preserve(&mut self, reason: String) -> io::Result<()> {
|
||||
if self.blocks.is_empty() {
|
||||
warn!("Blackbox is empty, nothing to save");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let now = chrono::Local::now().to_rfc3339();
|
||||
let meta_name = self.path.join(now.clone() + ".meta");
|
||||
let data_name = self.path.join(now.clone() + ".raw");
|
||||
|
||||
warn!("Preserving blackbox {}", now);
|
||||
|
||||
let mut metafd = File::create(meta_name)?;
|
||||
let mut datafd = File::create(data_name)?;
|
||||
|
||||
for blk in self.blocks.iter() {
|
||||
// meh unsafe
|
||||
let slice_u8: &[u8] = unsafe {
|
||||
slice::from_raw_parts(
|
||||
blk.data.as_ptr() as *const u8,
|
||||
blk.data.len() * std::mem::size_of::<u16>(),
|
||||
)
|
||||
};
|
||||
datafd.write_all(slice_u8)?;
|
||||
}
|
||||
|
||||
let mut meta = object! {
|
||||
message: reason,
|
||||
machine: self.machine.clone(),
|
||||
sample_rate: self.blocks[0].sample_rate,
|
||||
channels: self.globals.channels,
|
||||
t_ambient: self.globals.t_ambient,
|
||||
t_safe_max: self.globals.t_safe_max,
|
||||
t_hysteresis: self.globals.t_hysteresis,
|
||||
state: null
|
||||
};
|
||||
|
||||
let mut state = json::JsonValue::new_array();
|
||||
|
||||
for group in self.blocks[0].state.iter() {
|
||||
for speaker in group.iter() {
|
||||
let _ = state.push(object! {
|
||||
t_coil: speaker.t_coil,
|
||||
t_magnet: speaker.t_magnet,
|
||||
t_coil_hyst: speaker.t_coil_hyst,
|
||||
t_magnet_hyst: speaker.t_magnet_hyst,
|
||||
min_gain: speaker.min_gain,
|
||||
gain: speaker.gain,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
meta["state"] = state;
|
||||
|
||||
metafd.write_all(meta.dump().as_bytes())?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
82
src/main.rs
82
src/main.rs
|
|
@ -9,17 +9,19 @@
|
|||
*/
|
||||
use std::collections::BTreeMap;
|
||||
use std::fs;
|
||||
use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe};
|
||||
use std::path::{Path, PathBuf};
|
||||
use std::time::Instant;
|
||||
|
||||
use alsa::nix::errno::Errno;
|
||||
use clap::Parser;
|
||||
use clap_verbosity_flag::{InfoLevel, Verbosity};
|
||||
use configparser::ini::Ini;
|
||||
use log;
|
||||
use log::{debug, info, warn};
|
||||
use simple_logger::SimpleLogger;
|
||||
use alsa::nix::errno::Errno;
|
||||
|
||||
mod blackbox;
|
||||
mod helpers;
|
||||
mod types;
|
||||
|
||||
|
|
@ -40,6 +42,14 @@ struct Options {
|
|||
/// Increase the log level
|
||||
#[command(flatten)]
|
||||
verbose: Verbosity<InfoLevel>,
|
||||
|
||||
/// Path to the blackbox dump directory
|
||||
#[arg(short, long)]
|
||||
blackbox_path: Option<PathBuf>,
|
||||
|
||||
/// Maximum gain reduction before panicing (for debugging)
|
||||
#[arg(short, long)]
|
||||
max_reduction: Option<f32>,
|
||||
}
|
||||
|
||||
fn get_machine() -> String {
|
||||
|
|
@ -113,6 +123,13 @@ fn main() {
|
|||
|
||||
let globals = types::Globals::parse(&cfg);
|
||||
|
||||
let mut blackbox = args.blackbox_path.map(|p| {
|
||||
info!("Enabling blackbox, path: {:?}", p);
|
||||
blackbox::Blackbox::new(&machine, &p, &globals)
|
||||
});
|
||||
|
||||
let mut blackbox_ref = AssertUnwindSafe(&mut blackbox);
|
||||
let result = catch_unwind(move || {
|
||||
let speaker_names = get_speakers(&cfg);
|
||||
let speaker_count = speaker_names.len();
|
||||
info!("Found {} speakers", speaker_count);
|
||||
|
|
@ -165,10 +182,8 @@ fn main() {
|
|||
|
||||
let pcm_name = format!("{},{}", device, globals.visense_pcm);
|
||||
// Set up PCM to buffer in V/ISENSE
|
||||
let pcm: alsa::pcm::PCM = helpers::open_pcm(&pcm_name, globals.channels.try_into().unwrap(), 0);
|
||||
let mut buf = Vec::new();
|
||||
buf.resize(globals.period * globals.channels, 0i16);
|
||||
|
||||
let pcm: alsa::pcm::PCM =
|
||||
helpers::open_pcm(&pcm_name, globals.channels.try_into().unwrap(), 0);
|
||||
let io = pcm.io_i16().unwrap();
|
||||
|
||||
let mut sample_rate_elem = types::Elem::new(
|
||||
|
|
@ -200,9 +215,15 @@ fn main() {
|
|||
|
||||
let mut last_update = Instant::now();
|
||||
|
||||
let mut buf = Vec::new();
|
||||
buf.resize(globals.period * globals.channels, 0i16);
|
||||
|
||||
let mut once_nominal = false;
|
||||
|
||||
loop {
|
||||
// Block while we're reading into the buffer
|
||||
io.readi(&mut buf).or_else(|e| {
|
||||
io.readi(&mut buf)
|
||||
.or_else(|e| {
|
||||
if e.errno() == Errno::ESTRPIPE {
|
||||
// Resume handling
|
||||
loop {
|
||||
|
|
@ -211,12 +232,14 @@ fn main() {
|
|||
Err(e) if e.errno() == Errno::EAGAIN => continue,
|
||||
Err(e) => break Err(e),
|
||||
}
|
||||
}.unwrap();
|
||||
}
|
||||
.unwrap();
|
||||
io.readi(&mut buf)
|
||||
} else {
|
||||
Err(e)
|
||||
}
|
||||
}).unwrap();
|
||||
})
|
||||
.unwrap();
|
||||
|
||||
let cur_sample_rate = sample_rate_elem.read_int(&ctl);
|
||||
|
||||
|
|
@ -224,6 +247,7 @@ fn main() {
|
|||
if cur_sample_rate != sample_rate {
|
||||
sample_rate = cur_sample_rate;
|
||||
info!("Sample rate: {}", sample_rate);
|
||||
blackbox_ref.as_mut().map(|bb| bb.reset());
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -243,10 +267,20 @@ fn main() {
|
|||
for (_, group) in groups.iter_mut() {
|
||||
group.speakers.iter_mut().for_each(|s| s.skip_model(skip));
|
||||
}
|
||||
blackbox_ref.as_mut().map(|bb| bb.reset());
|
||||
}
|
||||
|
||||
last_update = now;
|
||||
|
||||
if let Some(bb) = blackbox_ref.as_mut() {
|
||||
let gstates = groups
|
||||
.iter()
|
||||
.map(|g| g.1.speakers.iter().map(|s| s.s.clone()).collect())
|
||||
.collect();
|
||||
bb.push(sample_rate, buf.clone(), gstates);
|
||||
}
|
||||
|
||||
let mut all_nominal = true;
|
||||
for (idx, group) in groups.iter_mut() {
|
||||
let gain = group
|
||||
.speakers
|
||||
|
|
@ -263,8 +297,40 @@ fn main() {
|
|||
group.speakers.iter_mut().for_each(|s| s.update(&ctl, gain));
|
||||
group.gain = gain;
|
||||
}
|
||||
if gain != 0. {
|
||||
all_nominal = false;
|
||||
}
|
||||
if let Some(max_reduction) = args.max_reduction {
|
||||
if once_nominal && gain < -max_reduction {
|
||||
panic!("Gain reduction exceeded threshold");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if all_nominal {
|
||||
once_nominal = true;
|
||||
}
|
||||
|
||||
unlock_elem.write_int(&ctl, UNLOCK_MAGIC);
|
||||
}
|
||||
});
|
||||
if let Err(e) = result {
|
||||
warn!("Panic!");
|
||||
|
||||
let mut reason: String = "Unknown panic".into();
|
||||
|
||||
if let Some(s) = e.downcast_ref::<&'static str>() {
|
||||
reason = (*s).into();
|
||||
} else if let Some(s) = e.downcast_ref::<String>() {
|
||||
reason = s.clone();
|
||||
}
|
||||
|
||||
blackbox.as_mut().map(|bb| {
|
||||
if bb.preserve(reason).is_err() {
|
||||
warn!("Failed to write blackbox");
|
||||
}
|
||||
});
|
||||
|
||||
resume_unwind(e);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
16
src/types.rs
16
src/types.rs
|
|
@ -202,16 +202,16 @@ impl Globals {
|
|||
|
||||
Borrows the handle to the control interface to do calculations.
|
||||
*/
|
||||
#[derive(Debug, Default)]
|
||||
#[derive(Debug, Default, Copy, Clone)]
|
||||
pub struct SpeakerState {
|
||||
t_coil: f64,
|
||||
t_magnet: f64,
|
||||
pub t_coil: f64,
|
||||
pub t_magnet: f64,
|
||||
|
||||
t_coil_hyst: f32,
|
||||
t_magnet_hyst: f32,
|
||||
pub t_coil_hyst: f32,
|
||||
pub t_magnet_hyst: f32,
|
||||
|
||||
min_gain: f32,
|
||||
gain: f32,
|
||||
pub min_gain: f32,
|
||||
pub gain: f32,
|
||||
}
|
||||
|
||||
pub struct Speaker {
|
||||
|
|
@ -231,7 +231,7 @@ pub struct Speaker {
|
|||
vs_chan: usize,
|
||||
|
||||
g: Globals,
|
||||
s: SpeakerState,
|
||||
pub s: SpeakerState,
|
||||
}
|
||||
|
||||
impl Speaker {
|
||||
|
|
|
|||
Loading…
Reference in a new issue