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fix: applying frequency settings on i915

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This commit is contained in:
Ilya Zlobintsev 2024-12-29 15:08:15 +02:00
parent b832087dfd
commit 6d89c13927
1 changed files with 35 additions and 8 deletions
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43
lact-daemon/src/server/gpu_controller/intel.rs
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@ -13,7 +13,7 @@ use std::{
path::{Path, PathBuf},
str::FromStr,
};
use tracing::{debug, error, info, warn};
use tracing::{debug, error, info, trace, warn};
enum DriverType {
Xe,
@ -171,13 +171,25 @@ impl GpuController for IntelGpuController {
}
fn get_stats(&self, _gpu_config: Option<&config::Gpu>) -> DeviceStats {
let current_gfxclk = self.read_gt_file("freq0/cur_freq");
let current_gfxclk;
let gpu_clockspeed;
match self.driver_type {
DriverType::Xe => {
current_gfxclk = self.read_gt_file("freq0/cur_freq");
gpu_clockspeed = self
.read_gt_file("freq0/act_freq")
.filter(|freq| *freq != 0)
.or_else(|| current_gfxclk.map(u64::from));
}
DriverType::I915 => {
current_gfxclk = self.read_file("../gt_cur_freq_mhz");
gpu_clockspeed = self.read_file("../gt_act_freq_mhz");
}
}
let clockspeed = ClockspeedStats {
gpu_clockspeed: self
.read_gt_file("freq0/act_freq")
.filter(|freq| *freq != 0)
.or_else(|| current_gfxclk.map(u64::from)),
gpu_clockspeed,
current_gfxclk,
vram_clockspeed: None,
};
@ -244,12 +256,27 @@ impl IntelGpuController {
self.tile_gts.first().map(PathBuf::as_ref)
}
fn sysfs_file_path(&self, path: impl AsRef<Path>) -> PathBuf {
let path = path.as_ref();
match path.strip_prefix("../") {
Ok(path_relative_to_parent) => self
.get_path()
.parent()
.expect("Device path has no parent")
.join(path_relative_to_parent),
Err(_) => self.get_path().join(path),
}
}
fn read_file<T>(&self, path: impl AsRef<Path>) -> Option<T>
where
T: FromStr,
T::Err: Display,
{
let file_path = self.get_path().join(path);
let file_path = self.sysfs_file_path(path);
trace!("Reading file from '{}'", file_path.display());
if file_path.exists() {
match fs::read_to_string(&file_path) {
@ -271,7 +298,7 @@ impl IntelGpuController {
}
fn write_file(&self, path: impl AsRef<Path>, contents: &str) -> anyhow::Result<()> {
let file_path = self.get_path().join(path);
let file_path = self.sysfs_file_path(path);
if file_path.exists() {
fs::write(&file_path, contents)