diff --git a/common/include/tfe_packet_io_fs.h b/common/include/tfe_packet_io_fs.h
index d05c992..6bea391 100644
--- a/common/include/tfe_packet_io_fs.h
+++ b/common/include/tfe_packet_io_fs.h
@@ -58,7 +58,11 @@ struct packet_io_fs *packet_io_fs_create(const char *profile);
 void packet_io_fs_destory(struct packet_io_fs *handle);
 void packet_io_fs_dump(struct packet_io_fs *handle);
 
-void throughput_metrics_inc(struct throughput_metrics *iterm, uint64_t n_pkts, uint64_t n_bytes);
+void inline throughput_metrics_inc(struct throughput_metrics *iterm, uint64_t n_pkts, uint64_t n_bytes)
+{
+    iterm->n_bytes += n_bytes;
+    iterm->n_pkts += n_pkts;
+}
 
 #ifdef __cpluscplus
 }
diff --git a/common/src/tfe_packet_io_fs.cpp b/common/src/tfe_packet_io_fs.cpp
index 0ac23bd..42427e5 100644
--- a/common/src/tfe_packet_io_fs.cpp
+++ b/common/src/tfe_packet_io_fs.cpp
@@ -136,12 +136,6 @@ static const char *stat_map[] =
  * throughput_metrics
  ******************************************************************************/
 
-void throughput_metrics_inc(struct throughput_metrics *iterm, uint64_t n_pkts, uint64_t n_bytes)
-{
-    __atomic_fetch_add(&iterm->n_bytes, n_bytes, __ATOMIC_RELAXED);
-    __atomic_fetch_add(&iterm->n_pkts, n_pkts, __ATOMIC_RELAXED);
-}
-
 struct packet_io_fs *packet_io_fs_create(const char *profile)
 {
     int value=0;