add cpuset.cpus

src/bin/izoli.rs

@@ -30,7 +30,8 @@ fn main() {
                     period: 100000,
                 }),
                 memory_max: Some(CGroupLimitValue::Value(1024 * 1024 * 1024)),
-                pids_max: Some(CGroupLimitValue::Value(3)),
+                pids_max: Some(CGroupLimitValue::Value(10)),
+                cpus: Some(vec![0]),
                 ..Default::default()
             }),
             new_net: false,

src/cgroup/cgroup.rs

@@ -63,6 +63,11 @@ impl CGroup {
             self.set_pids_max(pids_max)?;
         }
 
+        if let Some(cpus) = &option.cpus {
+            info!("setting cpuset.cpus");
+            self.set_cpuset_cpus(cpus)?;
+        }
+
         Ok(())
     }
 
@@ -249,6 +254,18 @@ impl CGroup {
         self.write("pids.max", &to_write)
     }
 
+    // cpuset read
+
+    pub fn get_cpuset_cpus(&self) -> Result<Vec<u32>, std::io::Error> {
+        self.get_u32_list("cpuset.cpus")
+    }
+
+    // cpuset write
+
+    pub fn set_cpuset_cpus(&self, cpus: &Vec<u32>) -> Result<(), std::io::Error> {
+        self.write_list("cpuset.cpus", cpus.clone())
+    }
+
     fn write_value<T>(&self, name: &str, value: T) -> Result<(), std::io::Error>
     where
         T: fmt::Display,

src/cgroup/cgroup_option.rs

@@ -1,8 +1,9 @@
 use super::{cpu_limit::CpuLimit, limit_value::CGroupLimitValue};
 
-#[derive(Debug, Clone, Copy, Default)]
+#[derive(Debug, Clone, Default)]
 pub struct CGroupOption {
     pub cpu_max: Option<CpuLimit>,
+    pub cpus: Option<Vec<u32>>,
     pub memory_max: Option<CGroupLimitValue<u32>>,
     pub pids_max: Option<CGroupLimitValue<u32>>,
 }