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| author | Junio C Hamano <junkio@cox.net> | 2006-03-05 11:20:12 -0800 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-03-05 11:22:01 -0800 |
| commit | 473ab1659bc6b2483544e404661e4349dc249355 (patch) | |
| tree | 4202025a690a7380ee1c10882adbbe36e7892be1 /pack-check.c | |
| parent | 9201c707426b3dc0c894775416f576c25c008d46 (diff) | |
| download | git-473ab1659bc6b2483544e404661e4349dc249355.tar.gz git-473ab1659bc6b2483544e404661e4349dc249355.tar.xz | |
verify-pack -v: show delta-chain histogram.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'pack-check.c')
| -rw-r--r-- | pack-check.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/pack-check.c b/pack-check.c index eca32b6ca..84ed90d36 100644 --- a/pack-check.c +++ b/pack-check.c @@ -70,13 +70,17 @@ static int verify_packfile(struct packed_git *p) } +#define MAX_CHAIN 40 + static void show_pack_info(struct packed_git *p) { struct pack_header *hdr; int nr_objects, i; + unsigned int chain_histogram[MAX_CHAIN]; hdr = p->pack_base; nr_objects = ntohl(hdr->hdr_entries); + memset(chain_histogram, 0, sizeof(chain_histogram)); for (i = 0; i < nr_objects; i++) { unsigned char sha1[20], base_sha1[20]; @@ -97,11 +101,25 @@ static void show_pack_info(struct packed_git *p) printf("%s ", sha1_to_hex(sha1)); if (!delta_chain_length) printf("%-6s %lu %u\n", type, size, e.offset); - else + else { printf("%-6s %lu %u %u %s\n", type, size, e.offset, delta_chain_length, sha1_to_hex(base_sha1)); + if (delta_chain_length < MAX_CHAIN) + chain_histogram[delta_chain_length]++; + else + chain_histogram[0]++; + } } + for (i = 0; i < MAX_CHAIN; i++) { + if (!chain_histogram[i]) + continue; + printf("chain length %s %d: %d object%s\n", + i ? "=" : ">=", + i ? i : MAX_CHAIN, + chain_histogram[i], + 1 < chain_histogram[i] ? "s" : ""); + } } int verify_pack(struct packed_git *p, int verbose) |