diff --git a/SynthSAWholeProgram/regression_3.info b/SynthSAWholeProgram/regression_3.info
new file mode 100644
index 0000000..e414d52
--- /dev/null
+++ b/SynthSAWholeProgram/regression_3.info
@@ -0,0 +1,11 @@
+description: "Patch that adds a regression that affects pattern counting"
+include_revisions:
+  revision_range:
+    start: 06eac0edb6886a7e487867c8d5629cb2409b54fd
+    end:   master
+path: regression_3.patch
+project_name: FeaturePerfCSCollection
+shortname: regress_pattern_counting
+tags:
+- regression
+- perf_prec
diff --git a/SynthSAWholeProgram/regression_3.patch b/SynthSAWholeProgram/regression_3.patch
new file mode 100644
index 0000000..4d2e83a
--- /dev/null
+++ b/SynthSAWholeProgram/regression_3.patch
@@ -0,0 +1,15 @@
+diff --git a/projects/SynthSAWholeProgram/service.cpp b/projects/SynthSAWholeProgram/service.cpp
+index df02f6d..1a0d496 100644
+--- a/projects/SynthSAWholeProgram/service.cpp
++++ b/projects/SynthSAWholeProgram/service.cpp
+@@ -2,7 +2,10 @@
+ #include "compute.h"
+ #include "config.h"
+ 
++#include "fp_util/sleep.h"
++
+ uint64_t countPattern(std::string_view Data, std::string_view Pattern) {
++  fp_util::busy_sleep_for_secs(1);
+   return getPatternIdxs(Data, Pattern).size();
+ }
+