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verify-pack -v: show delta-chain histogram.

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Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-03-05 11:20:12 -08:00
parent 9201c70742
commit 473ab1659b
1 changed files with 19 additions and 1 deletions
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20
pack-check.c
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@ -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)