buildstats.bbclass: Do not recalculate build start time

The build start time is recorded in __timedata_build, which we should
use rather than recalculating it.

Signed-off-by: Junling Zheng <zhengjunling@huawei.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass
index e7d47c74df7eb92ff6cb57855af739a9cac8f650..6f871872333f03043e7c9cf69b74b674f404b6e7 100644 (file)
--- a/meta/classes/buildstats.bbclass
+++ b/meta/classes/buildstats.bbclass
@@ -136,7 +136,7 @@ python run_buildstats () {
                 if x:
                     f.write(x + " ")
             f.write("\n")
-            f.write("Build Started: %0.2f \n" % time.time())
+            f.write("Build Started: %0.2f \n" % d.getVar('__timedata_build', False)[0])
 
     elif isinstance(e, bb.event.BuildCompleted):
         build_time = os.path.join(bsdir, "build_stats")