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btrfs-progs: list-chunks: rename variables, adjust LNumber starting point

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Rename variables tracking ordering, print the logical number starting
from 1 for consistency.

Sample output, sorted by usage:

Number      Type/profile    PStart    Length     PEnd LNumber   LStart Usage%
------ ----------------- --------- --------- -------- ------- -------- ------
     1     System/single   1.00MiB   4.00MiB  5.00MiB       1  1.00MiB   1.56
     2   Metadata/single   5.00MiB   8.00MiB 13.00MiB       2  5.00MiB   2.34
     3       Data/single  12.27GiB   1.00GiB 13.27GiB      17 77.02GiB   2.62
     4       Data/single  11.27GiB   1.00GiB 12.27GiB      15 75.77GiB   3.72
     5       Data/single  13.27GiB   1.00GiB 14.27GiB      18 78.02GiB   3.76
     6   Metadata/single   2.27GiB 256.00MiB  2.52GiB       6 68.02GiB   3.98
     7       Data/single  10.27GiB   1.00GiB 11.27GiB      14 74.77GiB   4.01
     8       Data/single   9.27GiB   1.00GiB 10.27GiB      13 73.77GiB   4.14
     9   Metadata/single   5.77GiB 256.00MiB  6.02GiB      12 73.52GiB   7.89
    10   Metadata/single   6.02GiB 256.00MiB  6.27GiB      16 76.77GiB   9.23
    11       Data/single  16.27GiB   1.00GiB 17.27GiB      19 81.02GiB  18.25
    12       Data/single   8.27GiB   1.00GiB  9.27GiB      11 72.52GiB  39.90
    13       Data/single   3.52GiB   1.00GiB  4.52GiB       8 69.27GiB  44.52
    14       Data/single   6.27GiB   1.00GiB  7.27GiB       3 65.02GiB  57.73
    15       Data/single   4.52GiB   1.00GiB  5.52GiB       9 70.27GiB  59.63
    16       Data/single 277.00MiB   1.00GiB  1.27GiB       4 66.02GiB  60.43
    17       Data/single   2.52GiB   1.00GiB  3.52GiB       7 68.27GiB  61.37
    18       Data/single   1.27GiB   1.00GiB  2.27GiB       5 67.02GiB  62.35
    19       Data/single   7.27GiB   1.00GiB  8.27GiB      10 71.52GiB  64.99

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2023-07-14 14:34:57 +02:00
parent cac019e583
commit 6a3c7aac45
1 changed files with 21 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
cmds/inspect.c
View File

@ -731,9 +731,9 @@ struct list_chunks_entry {
u64 lstart;
u64 length;
u64 flags;
u64 age;
u64 lnumber;
u64 used;
u32 pnumber;
u32 number;
};
struct list_chunks_ctx {
@ -843,7 +843,7 @@ static int print_list_chunks(struct list_chunks_ctx *ctx, unsigned sort_mode,
int i;
int chidx;
u64 lastend;
u64 age;
u64 number;
u32 gaps;
u32 tabidx;
@ -853,17 +853,17 @@ static int print_list_chunks(struct list_chunks_ctx *ctx, unsigned sort_mode,
*/
qsort(ctx->stats, ctx->length, sizeof(ctx->stats[0]), cmp_cse_devid_start);
devid = 0;
age = 0;
number = 0;
gaps = 0;
lastend = 0;
for (i = 0; i < ctx->length; i++) {
e = ctx->stats[i];
if (e.devid != devid) {
devid = e.devid;
age = 0;
number = 0;
}
ctx->stats[i].pnumber = age;
age++;
ctx->stats[i].number = number;
number++;
if (with_empty && sort_mode == CHUNK_SORT_PSTART && e.start != lastend)
gaps++;
lastend = e.start + e.length;
@ -937,7 +937,7 @@ static int print_list_chunks(struct list_chunks_ctx *ctx, unsigned sort_mode,
table_printf(table, 2, tabidx, ">%s", pretty_size_mode(e.start, unit_mode));
table_printf(table, 3, tabidx, ">%s", pretty_size_mode(e.length, unit_mode));
table_printf(table, 4, tabidx, ">%s", pretty_size_mode(e.start + e.length, unit_mode));
table_printf(table, 5, tabidx, ">%llu", e.age);
table_printf(table, 5, tabidx, ">%llu", e.lnumber + 1);
table_printf(table, 6, tabidx, ">%s", pretty_size_mode(e.lstart, unit_mode));
if (with_usage)
table_printf(table, 7, tabidx, ">%6.2f",
@ -995,8 +995,8 @@ static int cmd_inspect_list_chunks(const struct cmd_struct *cmd,
struct btrfs_ioctl_search_key *sk = &args.key;
struct btrfs_ioctl_search_header sh;
unsigned long off = 0;
u64 *age = NULL;
unsigned age_size = 128;
u64 *lnumber = NULL;
unsigned lnumber_size = 128;
int ret;
int fd;
int i;
@ -1091,8 +1091,8 @@ static int cmd_inspect_list_chunks(const struct cmd_struct *cmd,
sk->max_type = BTRFS_CHUNK_ITEM_KEY;
sk->max_offset = (u64)-1;
sk->max_transid = (u64)-1;
age = calloc(age_size, sizeof(u64));
if (!age) {
lnumber = calloc(lnumber_size, sizeof(u64));
if (!lnumber) {
ret = 1;
error_msg(ERROR_MSG_MEMORY, NULL);
goto out_nomem;
@ -1133,22 +1133,22 @@ static int cmd_inspect_list_chunks(const struct cmd_struct *cmd,
e->lstart = sh.offset;
e->length = item->length;
e->flags = item->type;
e->pnumber = -1;
while (devid > age_size) {
e->number = -1;
while (devid > lnumber_size) {
u64 *tmp;
unsigned old_size = age_size;
unsigned old_size = lnumber_size;
age_size += 128;
tmp = calloc(age_size, sizeof(u64));
lnumber_size += 128;
tmp = calloc(lnumber_size, sizeof(u64));
if (!tmp) {
ret = 1;
error_msg(ERROR_MSG_MEMORY, NULL);
goto out_nomem;
}
memcpy(tmp, age, sizeof(u64) * old_size);
age = tmp;
memcpy(tmp, lnumber, sizeof(u64) * old_size);
lnumber = tmp;
}
e->age = age[devid]++;
e->lnumber = lnumber[devid]++;
if (with_usage) {
if (used == (u64)-1)
used = fill_usage(fd, sh.offset);
@ -1186,7 +1186,7 @@ static int cmd_inspect_list_chunks(const struct cmd_struct *cmd,
out_nomem:
free(ctx.stats);
free(age);
free(lnumber);
return !!ret;
}