--- a/Makefile.in
+++ b/Makefile.in
@@ -233,18 +233,18 @@ endif
 endif
 
 default all::
 	$(call BUILDSTATUS,TIERS $(TIERS) $(if $(MOZ_AUTOMATION),$(MOZ_AUTOMATION_TIERS)))
 
 include $(topsrcdir)/config/rules.mk
 
 ifdef SCCACHE_VERBOSE_STATS
-# This won't contain stats for both halves of a universal build, but I can live with that.
 default::
+	-$(CCACHE) --show-stats --stats-format=json > sccache-stats.json
 	@echo "===SCCACHE STATS==="
 	-$(CCACHE) --show-stats
 	@echo "==================="
 endif
 
 distclean::
 	$(RM) $(DIST_GARBAGE)
 

--- a/testing/mozharness/mozharness/mozilla/building/buildbase.py
+++ b/testing/mozharness/mozharness/mozilla/building/buildbase.py
@@ -1879,16 +1879,48 @@ or run without that action (ie: --no-{ac
                 continue
             data['subtests'].append({
                 'name': phase['name'],
                 'value': phase['duration'],
             })
 
         return data
 
+
+    def _load_sccache_stats(self):
+        stats_file = os.path.join(
+            self.query_abs_dirs()['abs_obj_dir'], 'sccache_stats.json'
+        )
+        if not os.path.exists(stats_file):
+            self.info('%s does not exist; not loading sccache stats' % stats_file)
+            return
+
+        with open(p, 'rb') as fh:
+            stats = json.load(fh)
+
+        total = stats['stats']['requests_executed']
+        hits = stats['stats']['cache_hits']
+        if total > 0:
+            hits /= float(total)
+
+        yield {
+            'name': 'sccache hit rate',
+            'value': hits,
+            'extraOptions': self.perfherder_resource_options(),
+            'subtests': [],
+        }
+
+        for stat in ['cache_write_errors', 'requests_not_cacheable']:
+            yield {
+                'name': 'sccache %s' % stat,
+                'value': stats['stats'][stat],
+                'extraOptions': self.perfherder_resource_options(),
+                'subtests': [],
+            }
+
     def get_firefox_version(self):
         versionFilePath = os.path.join(
             self.query_abs_dirs()['abs_src_dir'], 'browser/config/version.txt')
         with open(versionFilePath, 'r') as versionFile:
             return versionFile.readline().strip()
 
     def generate_build_stats(self):
         """grab build stats following a compile.
@@ -1993,16 +2025,17 @@ or run without that action (ie: --no-{ac
                 "value": installer_size,
                 "alertThreshold": 0.25,
                 "subtests": size_measurements
             })
 
         build_metrics = self._load_build_resources()
         if build_metrics:
             perfherder_data['suites'].append(build_metrics)
+        perfherder_data['suites'].extend(self._load_sccache_stats())
 
         if self.query_is_nightly():
             for suite in perfherder_data['suites']:
                 if 'extraOptions' in suite:
                     suite['extraOptions'] = ['nightly'] + suite['extraOptions']
                 else:
                     suite['extraOptions'] = ['nightly']