fix win cpu monitor run once

Signed-off-by: 21pages <pages21@163.com>

libs/hbb_common/src/platform/windows.rs

@@ -42,7 +42,7 @@ impl Drop for RAIIPDHQuery {
     }
 }
 
-pub unsafe fn start_cpu_performance_monitor() {
+pub fn start_cpu_performance_monitor() {
     // Code from:
     // https://learn.microsoft.com/en-us/windows/win32/perfctrs/collecting-performance-data
     // https://learn.microsoft.com/en-us/windows/win32/api/pdh/nf-pdh-pdhcollectquerydataex
@@ -50,7 +50,7 @@ pub unsafe fn start_cpu_performance_monitor() {
     // https://aaron-margosis.medium.com/task-managers-cpu-numbers-are-all-but-meaningless-2d165b421e43
     // Therefore we should compare with Precess Explorer rather than taskManager
 
-    std::thread::spawn(|| {
+    let f = || unsafe {
         // load avg or cpu usage, test with prime95.
         // Prefer cpu usage because we can get accurate value from Precess Explorer.
         // const COUNTER_PATH: &'static str = "\\System\\Processor Queue Length\0";
@@ -80,7 +80,7 @@ pub unsafe fn start_cpu_performance_monitor() {
         let mut counter_value: PDH_FMT_COUNTERVALUE = std::mem::zeroed();
         let event = CreateEventA(std::ptr::null_mut(), FALSE, FALSE, std::ptr::null() as _);
         if event.is_null() {
-            log::error!("CreateEventA failed: 0x{:X}", ret);
+            log::error!("CreateEventA failed");
             return;
         }
         let _event: RAIIHandle = RAIIHandle(event);
@@ -126,6 +126,11 @@ pub unsafe fn start_cpu_performance_monitor() {
             queue.push_back(counter_value.u.doubleValue().clone());
             recent_valid.push_back(true);
         }
+    };
+    use std::sync::Once;
+    static ONCE: Once = Once::new();
+    ONCE.call_once(|| {
+        std::thread::spawn(f);
     });
 }
 

libs/scrap/examples/benchmark.rs

@@ -2,7 +2,7 @@ use docopt::Docopt;
 use hbb_common::env_logger::{init_from_env, Env, DEFAULT_FILTER_ENV};
 use scrap::{
     aom::{AomDecoder, AomEncoder, AomEncoderConfig},
-    codec::{codec_thread_num, EncoderApi, EncoderCfg, Quality as Q},
+    codec::{EncoderApi, EncoderCfg, Quality as Q},
     Capturer, Display, TraitCapturer, VpxDecoder, VpxDecoderConfig, VpxEncoder, VpxEncoderConfig,
     VpxVideoCodecId::{self, *},
     STRIDE_ALIGN,
@@ -202,6 +202,7 @@ mod hw {
         RateControl::*,
     };
     use scrap::{
+        codec::codec_thread_num,
         convert::{
             hw::{hw_bgra_to_i420, hw_bgra_to_nv12},
             i420_to_bgra,

libs/scrap/src/common/codec.rs

@@ -514,10 +514,11 @@ pub fn base_bitrate(width: u32, height: u32) -> u32 {
 
 pub fn codec_thread_num() -> usize {
     let max: usize = num_cpus::get();
-    let mut res = 0;
+    let mut res;
     let info;
     #[cfg(windows)]
     {
+        res = 0;
         let percent = hbb_common::platform::windows::cpu_uage_one_minute();
         info = format!("cpu usage:{:?}", percent);
         if let Some(pecent) = percent {
@@ -545,7 +546,7 @@ pub fn codec_thread_num() -> usize {
         None => true,
     };
     if log {
-        log::info!("cpu num: {max}, {info}, codec thread: {res}");
+        log::info!("cpu num:{max}, {info}, codec thread:{res}");
         *THREAD_LOG_TIME.lock().unwrap() = Some(Instant::now());
     }
     res

libs/scrap/src/common/hwcodec.rs

@@ -364,8 +364,8 @@ pub fn check_config() {
 
 pub fn check_config_process() {
     use hbb_common::sysinfo::{ProcessExt, System, SystemExt};
-
-    std::thread::spawn(move || {
+    use std::sync::Once;
+    let f = || {
         // Clear to avoid checking process errors
         // But when the program is just started, the configuration file has not been updated, and the new connection will read an empty configuration
         HwCodecConfig::clear();
@@ -393,7 +393,9 @@ pub fn check_config_process() {
                     allow_err!(child.kill());
                     std::thread::sleep(std::time::Duration::from_millis(30));
                     match child.try_wait() {
-                        Ok(Some(status)) => log::info!("Check hwcodec config, exit with: {status}"),
+                        Ok(Some(status)) => {
+                            log::info!("Check hwcodec config, exit with: {status}")
+                        }
                         Ok(None) => {
                             log::info!(
                                 "Check hwcodec config, status not ready yet, let's really wait"
@@ -409,5 +411,9 @@ pub fn check_config_process() {
                 }
             }
         };
+    };
+    static ONCE: Once = Once::new();
+    ONCE.call_once(|| {
+        std::thread::spawn(f);
     });
 }

src/core_main.rs

@@ -84,6 +84,10 @@ pub fn core_main() -> Option<Vec<String>> {
             std::env::remove_var(k);
         }
     }
+    #[cfg(windows)]
+    if args.contains(&"--connect".to_string()) {
+        hbb_common::platform::windows::start_cpu_performance_monitor();
+    }
     #[cfg(feature = "flutter")]
     if _is_flutter_invoke_new_connection {
         return core_main_invoke_new_connection(std::env::args());

src/server.rs

@@ -362,7 +362,10 @@ pub async fn start_server(is_server: bool) {
         log::info!("DISPLAY={:?}", std::env::var("DISPLAY"));
         log::info!("XAUTHORITY={:?}", std::env::var("XAUTHORITY"));
     }
-    call_once_each_process();
+    #[cfg(feature = "hwcodec")]
+    scrap::hwcodec::check_config_process();
+    #[cfg(windows)]
+    hbb_common::platform::windows::start_cpu_performance_monitor();
 
     if is_server {
         crate::common::set_server_running(true);
@@ -523,16 +526,3 @@ async fn sync_and_watch_config_dir() {
     }
     log::warn!("skipped config sync");
 }
-
-fn call_once_each_process() {
-    use std::sync::Once;
-    static ONCE: Once = Once::new();
-    ONCE.call_once(|| {
-        #[cfg(feature = "hwcodec")]
-        scrap::hwcodec::check_config_process();
-        #[cfg(windows)]
-        unsafe {
-            hbb_common::platform::windows::start_cpu_performance_monitor();
-        }
-    })
-}