tCount cache hit/miss for the current run only - dedup - deduplicating backup program
 (HTM) git clone git://git.z3bra.org/dedup.git
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       ---
 (DIR) commit f32c0a57bf01c2734bbc927d7fe3c94f42b3e430
 (DIR) parent 53741db3458c3a8fc633b7a5336d08062fa5e8a6
 (HTM) Author: z3bra <contactatz3bradotorg>
       Date:   Wed, 20 Feb 2019 15:37:42 +0100
       
       Count cache hit/miss for the current run only
       
       Diffstat:
         M dedup.c                             |      16 +++++++---------
       
       1 file changed, 7 insertions(+), 9 deletions(-)
       ---
 (DIR) diff --git a/dedup.c b/dedup.c
       t@@ -42,9 +42,7 @@ struct stats {
                uint64_t min_blk_size;
                uint64_t max_blk_size;
                uint64_t nr_blks;
       -        uint64_t cache_hits;
       -        uint64_t cache_misses;
       -        uint64_t reserved[4];
       +        uint64_t reserved[6];
        };
        
        struct snapshot_hdr {
       t@@ -86,6 +84,8 @@ int sfd;
        int cfd;
        int verbose;
        int cache_dirty;
       +unsigned long long cache_hits;
       +unsigned long long cache_misses;
        char *argv0;
        
        /*
       t@@ -236,10 +236,8 @@ print_stats(struct stats *st)
                        (unsigned long long)st->max_blk_size);
                fprintf(stderr, "number of blocks: %llu\n",
                        (unsigned long long)st->nr_blks);
       -        fprintf(stderr, "total cache hits: %llu\n",
       -                (unsigned long long)st->cache_hits);
       -        fprintf(stderr, "total cache misses: %llu\n",
       -                (unsigned long long)st->cache_misses);
       +        fprintf(stderr, "cache hits: %llu\n", cache_hits);
       +        fprintf(stderr, "cache misses: %llu\n", cache_misses);
        }
        
        void
       t@@ -513,10 +511,10 @@ dedup(int fd, char *msg)
                                ent->blk_desc = blk_desc;
                                add_cache_entry(ent);
                                cache_dirty = 1;
       +                        cache_misses++;
        
                                snaphdr.st.dedup_size += blk_desc.size;
                                snaphdr.st.nr_blks++;
       -                        snaphdr.st.cache_misses++;
        
                                if (blk_desc.size > snaphdr.st.max_blk_size)
                                        snaphdr.st.max_blk_size = blk_desc.size;
       t@@ -524,7 +522,7 @@ dedup(int fd, char *msg)
                                        snaphdr.st.min_blk_size = blk_desc.size;
                        } else {
                                snap->blk_desc[snap->nr_blk_descs++] = blk_desc;
       -                        snaphdr.st.cache_hits++;
       +                        cache_hits++;
                        }
        
                        memmove(inp, inp + blksize, bufsize - blksize);