1 files changed, 1 insertions, 1 deletions

diff --git a/st_trace b/st_trace
index 8eef455..50057eb 100755
--- a/st_trace
+++ b/st_trace
@@ -27,7 +27,7 @@ trap 'on_finish' SIGUSR1
 # Setup up sched_trace tracing.
 
 # works for sparc64 and Intel x86 if all CPUs are online
-NUM_CPUS=`egrep -c 'processor|online'   /proc/cpuinfo`
+NUM_CPUS=`egrep -c '^processor|online'   /proc/cpuinfo`
 
 ST_IDS="501 502 503 504 505 506 507 508 509"