Merge lp:~michihenning/thumbnailer/fix-hit-rate into lp:thumbnailer/devel

[Michi Henning]

Fixed incorrect hit rate reported on service start-up.

Fixed incorrect hit rate reported on service start-up.

[PS Jenkins bot (ps-jenkins)]

PASSED: Continuous integration, rev:288
http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-ci/492/
Executed test runs:
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-vivid-amd64-ci/197
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-vivid-armhf-ci/196
        deb: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-vivid-armhf-ci/196/artifact/work/output/*zip*/output.zip
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-vivid-i386-ci/198
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-wily-amd64-ci/302
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-wily-armhf-ci/307
        deb: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-wily-armhf-ci/307/artifact/work/output/*zip*/output.zip
    SUCCESS: http://jenkins.qa.ubuntu.com/job/thumbnailer-devel-wily-i386-ci/301

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review: Approve (continuous-integration)

[James Henstridge (jamesh)]

Looks good.

review: Approve

=== modified file 'src/service/main.cpp'
--- src/service/main.cpp	2015-09-29 14:05:53 +0000
+++ src/service/main.cpp	2015-10-15 04:37:08 +0000
@@ -40,7 +40,7 @@
 {
     auto hits = stats.hits();
     auto misses = stats.misses();
-    double hit_rate = (hits + misses == 0) ? 0.0 : hits / (hits + misses);
+    double hit_rate = (hits + misses == 0) ? 0.0 : double(hits) / (hits + misses);
     auto entries = stats.size();
     auto size_in_bytes = stats.size_in_bytes();
     QString entry_str = entries == 1 ? QStringLiteral("entry") : QStringLiteral("entries");