MINOR: stats: also report the computed compression savings in html stats

It's interesting to know the average compression ratio obtained on
frontends and backends without having to compute it by hand, so let's
report it in the HTML stats.

diff --git a/src/dumpstats.c b/src/dumpstats.c
index 7c9365b8274f3acfbfe5bb356775204e0f2df09d..ec27db8da82ddc731db29d9bbdf14ac2c038636e 100644 (file)
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -2488,8 +2488,10 @@ static int stats_dump_proxy(struct stream_interface *si, struct proxy *px, struc
                                     U2H7(px->fe_counters.bytes_in));
 
                                /* compression stats (via td title): comp_in, comp_out, comp_byp */
-                               chunk_appendf(&trash, " title=\"compression: in=%lld out=%lld bypassed=%lld\"",
-                                    px->fe_counters.comp_in, px->fe_counters.comp_out, px->fe_counters.comp_byp);
+                               chunk_appendf(&trash, " title=\"compression: in=%lld out=%lld bypassed=%lld savings=%d%%\"",
+                                             px->fe_counters.comp_in, px->fe_counters.comp_out, px->fe_counters.comp_byp,
+                                             px->fe_counters.comp_in ?
+                                             (int)((px->fe_counters.comp_in - px->fe_counters.comp_out)*100/px->fe_counters.comp_in) : 0);
 
                                chunk_appendf(&trash,
                                     /* bytes: out */
@@ -3214,8 +3216,10 @@ static int stats_dump_proxy(struct stream_interface *si, struct proxy *px, struc
                                     U2H8(px->be_counters.bytes_in));
 
                                /* compression stats (via td title): comp_in, comp_out, comp_byp */
-                               chunk_appendf(&trash, " title=\"compression: in=%lld out=%lld bypassed=%lld\"",
-                                    px->be_counters.comp_in, px->be_counters.comp_out, px->be_counters.comp_byp);
+                               chunk_appendf(&trash, " title=\"compression: in=%lld out=%lld bypassed=%lld savings=%d%%\"",
+                                    px->be_counters.comp_in, px->be_counters.comp_out, px->be_counters.comp_byp,
+                                    px->be_counters.comp_in ?
+                                    (int)((px->be_counters.comp_in - px->be_counters.comp_out)*100/px->be_counters.comp_in) : 0);
 
                                chunk_appendf(&trash,
                                     /* bytes: out */