Reduce CPU usage up to 8%

Disable buffering /proc/meminfo
2020-03-15 12:27:22 +09:00 · 2020-03-15 12:27:22 +09:00 · 0225fc3bff
commit 0225fc3bff
parent 747cff404e
1 changed files with 1 additions and 1 deletions
--- a/nohang/nohang
+++ b/nohang/nohang
@ -1339,7 +1339,7 @@ def find_psi_metrics_value(psi_path, psi_metrics):
 def check_mem_and_swap():
    """
    """
-    with open('/proc/meminfo', 'rb') as f:
+    with open('/proc/meminfo', 'rb', buffering=0) as f:
        m_list = f.read().decode().split(' kB\n')
    return (int(m_list[2].split(':')[1]),
            int(m_list[swap_total_index].split(':')[1]),