dump cache stats

2 files changed, 22 insertions, 1 deletions

diff --git a/xmake/actions/build/main.lua b/xmake/actions/build/main.lua
index 0f5cdde40..a970b9faf 100644
--- a/xmake/actions/build/main.lua
+++ b/xmake/actions/build/main.lua
@@ -32,6 +32,7 @@ import("build")
 import("build_files")
 import("cleaner")
 import("statistics")
+import("private.cache.build_cache")
 import("private.service.remote_build.action", {alias = "remote_build_action"})
 
 -- do build for the third-party buildsystem
@@ -147,8 +148,12 @@ function main()
 
             -- do build
             _do_build(targetname, group_pattern)
-        end,
 
+            -- dump cache stats
+            if option.get("diagnosis") then
+                build_cache.dump_stats()
+            end
+        end,
         catch
         {
             function (errors)
diff --git a/xmake/modules/private/cache/build_cache.lua b/xmake/modules/private/cache/build_cache.lua
index 16655a632..3da7e35f0 100644
--- a/xmake/modules/private/cache/build_cache.lua
+++ b/xmake/modules/private/cache/build_cache.lua
@@ -85,6 +85,21 @@ function hitrate()
     return 0
 end
 
+
+-- dump stats
+function dump_stats()
+    local hit_count = (_g.hit_count or 0)
+    local total_count = (_g.total_count or 0)
+    local files_count = (_g.files_count or 0)
+    vprint("")
+    vprint("build cache stats:")
+    vprint("cache directory: %s", rootdir())
+    vprint("cache hit rate: %d%%", hitrate())
+    vprint("cache hit: %d", hit_count)
+    vprint("cache miss: %d", total_count - hit_count)
+    vprint("files in cache: %d", files_count)
+end
+
 -- get object file
 function get(cachekey)
     _g.total_count = (_g.total_count or 0) + 1
@@ -99,6 +114,7 @@ end
 function put(cachekey, objectfile)
     local objectfile_cached = path.join(rootdir(), cachekey:sub(1, 2):lower(), cachekey)
     os.cp(objectfile, objectfile_cached)
+    _g.files_count = (_g.files_count or 0) + 1
 end
 
 -- build with cache