Fix compilation with sys_stat feature

src/cpu_stats.rs

@@ -160,7 +160,7 @@ pub fn add_context_switch() {
 
 /// Get the number of context switches.
 #[cfg(feature = "sys_stat")]
-pub fn get_context_switch_count() -> u64 {
+pub fn get_context_switch_count() -> usize {
     CONTEXT_SWITCH_COUNT.load(Ordering::Relaxed)
 }
 
@@ -176,13 +176,13 @@ pub fn add_context() {
 
 /// Get the number of contexts created.
 #[cfg(feature = "sys_stat")]
-pub fn get_contexts_count() -> u64 {
+pub fn get_contexts_count() -> usize {
     CONTEXTS_COUNT.load(Ordering::Relaxed)
 }
 
 /// Get the count of each interrupt.
 #[cfg(feature = "sys_stat")]
-pub fn irq_counts() -> Vec<u64> {
+pub fn irq_counts() -> Vec<usize> {
     IRQ_COUNT
         .iter()
         .map(|count| count.load(Ordering::Relaxed))

src/scheme/sys/stat.rs

@@ -73,10 +73,12 @@ fn get_contexts_stats(token: &mut CleanLockToken) -> (u64, u64) {
     let mut running = 0;
     let mut blocked = 0;
 
-    let statuses = contexts(token.token())
+    let mut contexts = contexts(token.token());
+    let (contexts, mut token) = contexts.token_split();
+    let statuses = contexts
         .iter()
         .filter_map(ContextRef::upgrade)
-        .map(|context| context.read_arc().status.clone())
+        .map(|context| context.read(token.token()).status.clone())
         .collect::<Vec<_>>();
 
     for status in statuses {