Use sysfs for reading system power

1 files changed, 1 insertions, 3 deletions

diff --git a/perf-event/src/lib.rs b/perf-event/src/lib.rs
index 68eee38..03ef643 100644
--- a/perf-event/src/lib.rs
+++ b/perf-event/src/lib.rs
@@ -612,12 +612,10 @@ impl<'a> Builder<'a> {
             None => -1,
         };
 
-
-        println!("{:?}", self.attrs);
         let file = unsafe {
             File::from_raw_fd(check_errno_syscall(|| {
                 sys::perf_event_open(&mut self.attrs, pid, cpu, group_fd, flags as c_ulong)
-            }).unwrap())
+            })?)
         };
 
         // If we're going to be part of a Group, retrieve the ID the kernel