info: Show CPU count

``` $ rbperf info System info ----------- Kernel release: 6.4.6-200.fc38.x86_64 Debugfs mounted: true CPU count: 12 BPF features ------------ is jited: true has stats: true has tail_call: true has ringbuf: true has bpf_loop: true ``` Signed-off-by: Francisco Javier Honduvilla Coto <javierhonduco@gmail.com>
javierhonduco · Aug 20, 2023 · 7cff5ac · 7cff5ac
1 parent 1ab6052
commit 7cff5ac
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/src/main.rs b/src/main.rs
@@ -101,6 +101,7 @@ fn main() -> Result<()> {
             println!("-----------");
             println!("Kernel release: {}", info.system.os_release);
             println!("Debugfs mounted: {}", info.system.debug_fs);
+            println!("CPU count: {}", num_cpus::get());
             println!();
 
             println!("BPF features");

diff --git a/src/rbperf.rs b/src/rbperf.rs
@@ -24,7 +24,7 @@ use crate::{
     ruby_stack_status_STACK_INCOMPLETE, ProcessData, RubyStack, RBPERF_STACK_READING_PROGRAM_IDX,
 };
 
-extern crate num_cpus;
+use num_cpus;
 
 #[derive(Clone)]
 pub enum RbperfEvent {