Reworked pressure example to be more readable.

procfs/examples/pressure.rs

@@ -1,8 +1,30 @@
-use procfs::prelude::*;
+use procfs::{prelude::*, CpuPressure, IoPressure, MemoryPressure, PressureRecord};
 
 /// A basic example of /proc/pressure/ usage.
 fn main() {
-    println!("memory pressure: {:#?}", procfs::MemoryPressure::current());
-    println!("cpu pressure: {:#?}", procfs::CpuPressure::current());
-    println!("io pressure: {:#?}", procfs::IoPressure::current());
+    if let Ok(pressure) = MemoryPressure::current() {
+        println!("Memory Pressure:");
+        println!("{:>10}:", "Some");
+        print_pressure(pressure.some, 20);
+        println!("{:>10}:", "Full");
+        print_pressure(pressure.full, 20);
+    }
+    if let Ok(pressure) = CpuPressure::current() {
+        println!("CPU Pressure:");
+        print_pressure(pressure.some, 20);
+    }
+    if let Ok(pressure) = IoPressure::current() {
+        println!("IO Pressure:");
+        println!("{:>10}:", "Some");
+        print_pressure(pressure.some, 20);
+        println!("{:>10}:", "Full");
+        print_pressure(pressure.full, 20);
+    }
+}
+
+fn print_pressure(pressure: PressureRecord, width: usize) {
+    println!("{:>width$}: {}", "Average 10", pressure.avg10);
+    println!("{:>width$}: {}", "Average 60", pressure.avg60);
+    println!("{:>width$}: {}", "Average 300", pressure.avg300);
+    println!("{:>width$}: {}", "Total", pressure.total);
 }