Merge pull request #100 from DUNE-DAQ/thea/sleep_opt

Skipping nanosleep when sleep time set to 0
DUNE-DAQ · Nov 7, 2023 · d44409e · d44409e
2 parents 8756f22 + 148f108
commit d44409e
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/detail/IfaceWrapper.hxx b/src/detail/IfaceWrapper.hxx
@@ -103,8 +103,10 @@ IfaceWrapper::rx_runner(void *arg __rte_unused) {
 
     // If no full buffers in burst...
     if (!fb_count) {
-      // Sleep n nanoseconds... (value from config, timespec initialized in lcore first lines)
-      /*int response =*/ nanosleep(&sleep_request, nullptr);
+      if (m_lcore_sleep_ns) {
+        // Sleep n nanoseconds... (value from config, timespec initialized in lcore first lines)
+        /*int response =*/ nanosleep(&sleep_request, nullptr);
+      }
     }
 
   } // main while(quit) loop