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OpenZFS 640 - number_to_scaled_string is duplicated in several commands
Porting Notes: - The OpenZFS patch added nicenum_scale() and nicenum() to a library not used by ZFS. Rather than pull in a new dependency the version of nicenum in lib/libzpool/util.c was simply replaced with the new one. Reviewed by: Sebastian Wiedenroth <wiedi@frubar.net> Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Yuri Pankov <yuripv@gmx.com> Approved by: Dan McDonald <danmcd@joyent.com> Authored by: Jason King <jason.brian.king@gmail.com> Ported-by: Brian Behlendorf <behlendorf1@llnl.gov> OpenZFS-issue: https://www.illumos.org/issues/640 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/0a055120 Closes #6796
This commit is contained in:
Jason King
Brian Behlendorf
parent
47c8e7fd97
commit
f3c8c9e6f0
139
cmd/zdb/zdb.c
139
cmd/zdb/zdb.c
@ -281,12 +281,12 @@ dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
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}
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static void
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zdb_nicenum(uint64_t num, char *buf)
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zdb_nicenum(uint64_t num, char *buf, size_t buflen)
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{
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if (dump_opt['P'])
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(void) sprintf(buf, "%llu", (longlong_t)num);
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(void) snprintf(buf, buflen, "%llu", (longlong_t)num);
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else
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nicenum(num, buf);
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nicenum(num, buf, sizeof (buf));
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}
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static const char histo_stars[] = "****************************************";
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@ -464,12 +464,17 @@ dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size)
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uint64_t i;
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char bytes[32], comp[32], uncomp[32];
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/* make sure the output won't get truncated */
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CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
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if (bpop == NULL)
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return;
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zdb_nicenum(bpop->bpo_bytes, bytes);
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zdb_nicenum(bpop->bpo_comp, comp);
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zdb_nicenum(bpop->bpo_uncomp, uncomp);
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zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes));
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zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp));
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zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp));
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(void) printf("\t\tnum_blkptrs = %llu\n",
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(u_longlong_t)bpop->bpo_num_blkptrs);
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@ -763,7 +768,10 @@ dump_metaslab_stats(metaslab_t *msp)
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avl_tree_t *t = &msp->ms_size_tree;
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int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
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zdb_nicenum(metaslab_block_maxsize(msp), maxbuf);
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/* max sure nicenum has enough space */
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CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ);
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zdb_nicenum(metaslab_block_maxsize(msp), maxbuf, sizeof (maxbuf));
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(void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
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"segments", avl_numnodes(t), "maxsize", maxbuf,
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@ -780,7 +788,8 @@ dump_metaslab(metaslab_t *msp)
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space_map_t *sm = msp->ms_sm;
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char freebuf[32];
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zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf);
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zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf,
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sizeof (freebuf));
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(void) printf(
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"\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
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@ -1354,6 +1363,9 @@ dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
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time_t crtime;
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char nice[32];
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ);
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if (dd == NULL)
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return;
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@ -1369,15 +1381,15 @@ dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
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(u_longlong_t)dd->dd_origin_obj);
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(void) printf("\t\tchild_dir_zapobj = %llu\n",
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(u_longlong_t)dd->dd_child_dir_zapobj);
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zdb_nicenum(dd->dd_used_bytes, nice);
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zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice));
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(void) printf("\t\tused_bytes = %s\n", nice);
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zdb_nicenum(dd->dd_compressed_bytes, nice);
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zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice));
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(void) printf("\t\tcompressed_bytes = %s\n", nice);
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zdb_nicenum(dd->dd_uncompressed_bytes, nice);
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zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice));
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(void) printf("\t\tuncompressed_bytes = %s\n", nice);
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zdb_nicenum(dd->dd_quota, nice);
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zdb_nicenum(dd->dd_quota, nice, sizeof (nice));
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(void) printf("\t\tquota = %s\n", nice);
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zdb_nicenum(dd->dd_reserved, nice);
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zdb_nicenum(dd->dd_reserved, nice, sizeof (nice));
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(void) printf("\t\treserved = %s\n", nice);
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(void) printf("\t\tprops_zapobj = %llu\n",
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(u_longlong_t)dd->dd_props_zapobj);
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@ -1387,7 +1399,8 @@ dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
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(u_longlong_t)dd->dd_flags);
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#define DO(which) \
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zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
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zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
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sizeof (nice)); \
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(void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
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DO(HEAD);
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DO(SNAP);
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@ -1406,15 +1419,22 @@ dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
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char used[32], compressed[32], uncompressed[32], unique[32];
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char blkbuf[BP_SPRINTF_LEN];
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (used) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ);
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if (ds == NULL)
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return;
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ASSERT(size == sizeof (*ds));
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crtime = ds->ds_creation_time;
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zdb_nicenum(ds->ds_referenced_bytes, used);
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zdb_nicenum(ds->ds_compressed_bytes, compressed);
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zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
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zdb_nicenum(ds->ds_unique_bytes, unique);
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zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used));
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zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed));
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zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed,
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sizeof (uncompressed));
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zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique));
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snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
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(void) printf("\t\tdir_obj = %llu\n",
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@ -1473,12 +1493,15 @@ dump_bptree(objset_t *os, uint64_t obj, const char *name)
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bptree_phys_t *bt;
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dmu_buf_t *db;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
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if (dump_opt['d'] < 3)
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return;
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VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
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bt = db->db_data;
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zdb_nicenum(bt->bt_bytes, bytes);
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zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes));
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(void) printf("\n %s: %llu datasets, %s\n",
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name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
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dmu_buf_rele(db, FTAG);
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@ -1511,13 +1534,18 @@ dump_full_bpobj(bpobj_t *bpo, const char *name, int indent)
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char uncomp[32];
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uint64_t i;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
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if (dump_opt['d'] < 3)
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return;
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zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
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zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes));
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if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
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zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
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zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
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zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp));
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zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp));
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(void) printf(" %*s: object %llu, %llu local blkptrs, "
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"%llu subobjs in object, %llu, %s (%s/%s comp)\n",
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indent * 8, name,
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@ -1571,6 +1599,11 @@ dump_deadlist(dsl_deadlist_t *dl)
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char comp[32];
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char uncomp[32];
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
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if (dump_opt['d'] < 3)
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return;
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@ -1579,9 +1612,9 @@ dump_deadlist(dsl_deadlist_t *dl)
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return;
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}
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zdb_nicenum(dl->dl_phys->dl_used, bytes);
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zdb_nicenum(dl->dl_phys->dl_comp, comp);
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zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
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zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes));
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zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp));
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zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp));
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(void) printf("\n Deadlist: %s (%s/%s comp)\n",
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bytes, comp, uncomp);
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@ -1942,6 +1975,13 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header,
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char aux[50];
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int error;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ);
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if (*print_header) {
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(void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
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"Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
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@ -1982,12 +2022,12 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header,
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if (dnode_slots_used)
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*dnode_slots_used = doi.doi_dnodesize / DNODE_MIN_SIZE;
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zdb_nicenum(doi.doi_metadata_block_size, iblk);
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zdb_nicenum(doi.doi_data_block_size, dblk);
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zdb_nicenum(doi.doi_max_offset, lsize);
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zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
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zdb_nicenum(doi.doi_bonus_size, bonus_size);
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zdb_nicenum(doi.doi_dnodesize, dnsize);
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zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk));
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zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk));
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zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize));
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zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize));
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zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size));
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zdb_nicenum(doi.doi_dnodesize, dnsize, sizeof (dnsize));
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(void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
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doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
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doi.doi_max_offset);
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@ -2063,6 +2103,8 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header,
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for (;;) {
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char segsize[32];
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ);
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error = dnode_next_offset(dn,
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0, &start, minlvl, blkfill, 0);
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if (error)
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@ -2070,7 +2112,7 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header,
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end = start;
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error = dnode_next_offset(dn,
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DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
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zdb_nicenum(end - start, segsize);
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zdb_nicenum(end - start, segsize, sizeof (segsize));
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(void) printf("\t\tsegment [%016llx, %016llx)"
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" size %5s\n", (u_longlong_t)start,
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(u_longlong_t)end, segsize);
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@ -2107,6 +2149,9 @@ dump_dir(objset_t *os)
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uint64_t max_slot_used = 0;
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uint64_t dnode_slots;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ);
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dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
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dmu_objset_fast_stat(os, &dds);
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dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
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@ -2125,7 +2170,7 @@ dump_dir(objset_t *os)
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ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
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zdb_nicenum(refdbytes, numbuf);
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zdb_nicenum(refdbytes, numbuf, sizeof (numbuf));
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if (verbosity >= 4) {
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(void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
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@ -3142,6 +3187,9 @@ zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
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int sec_remaining =
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(zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ);
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zfs_nicebytes(bytes, buf, sizeof (buf));
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(void) fprintf(stderr,
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"\r%5s completed (%4dMB/s) "
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@ -3497,6 +3545,14 @@ dump_block_stats(spa_t *spa)
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char avg[32], gang[32];
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const char *typename;
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/* make sure nicenum has enough space */
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CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ);
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CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ);
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if (t < DMU_OT_NUMTYPES)
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typename = dmu_ot[t].ot_name;
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else
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@ -3530,12 +3586,17 @@ dump_block_stats(spa_t *spa)
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zcb.zcb_type[ZB_TOTAL][t].zb_asize)
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continue;
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zdb_nicenum(zb->zb_count, csize);
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zdb_nicenum(zb->zb_lsize, lsize);
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zdb_nicenum(zb->zb_psize, psize);
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zdb_nicenum(zb->zb_asize, asize);
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zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
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zdb_nicenum(zb->zb_gangs, gang);
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zdb_nicenum(zb->zb_count, csize,
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sizeof (csize));
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zdb_nicenum(zb->zb_lsize, lsize,
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sizeof (lsize));
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zdb_nicenum(zb->zb_psize, psize,
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sizeof (psize));
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zdb_nicenum(zb->zb_asize, asize,
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sizeof (asize));
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zdb_nicenum(zb->zb_asize / zb->zb_count, avg,
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sizeof (avg));
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zdb_nicenum(zb->zb_gangs, gang, sizeof (gang));
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(void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
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"\t%5.2f\t%6.2f\t",
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@ -23,6 +23,8 @@
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* Copyright (c) 2011, 2016 by Delphix. All rights reserved.
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* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2013 Steven Hartland. All rights reserved.
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* Copyright (c) 2014 Integros [integros.com]
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* Copyright 2017 Joyent, Inc.
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*/
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/*
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@ -608,12 +610,13 @@ usage(boolean_t requested)
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{
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const ztest_shared_opts_t *zo = &ztest_opts_defaults;
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char nice_vdev_size[10];
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char nice_gang_bang[10];
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char nice_vdev_size[NN_NUMBUF_SZ];
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char nice_gang_bang[NN_NUMBUF_SZ];
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FILE *fp = requested ? stdout : stderr;
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nicenum(zo->zo_vdev_size, nice_vdev_size);
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nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang);
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nicenum(zo->zo_vdev_size, nice_vdev_size, sizeof (nice_vdev_size));
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nicenum(zo->zo_metaslab_gang_bang, nice_gang_bang,
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sizeof (nice_gang_bang));
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(void) fprintf(fp, "Usage: %s\n"
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"\t[-v vdevs (default: %llu)]\n"
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@ -3550,10 +3553,10 @@ ztest_vdev_LUN_growth(ztest_ds_t *zd, uint64_t id)
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old_class_space, new_class_space);
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if (ztest_opts.zo_verbose >= 5) {
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char oldnumbuf[6], newnumbuf[6];
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char oldnumbuf[NN_NUMBUF_SZ], newnumbuf[NN_NUMBUF_SZ];
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nicenum(old_class_space, oldnumbuf);
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nicenum(new_class_space, newnumbuf);
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||||
nicenum(old_class_space, oldnumbuf, sizeof (oldnumbuf));
|
||||
nicenum(new_class_space, newnumbuf, sizeof (newnumbuf));
|
||||
(void) printf("%s grew from %s to %s\n",
|
||||
spa->spa_name, oldnumbuf, newnumbuf);
|
||||
}
|
||||
@ -7024,7 +7027,7 @@ main(int argc, char **argv)
|
||||
ztest_info_t *zi;
|
||||
ztest_shared_callstate_t *zc;
|
||||
char timebuf[100];
|
||||
char numbuf[6];
|
||||
char numbuf[NN_NUMBUF_SZ];
|
||||
spa_t *spa;
|
||||
char *cmd;
|
||||
boolean_t hasalt;
|
||||
@ -7178,7 +7181,7 @@ main(int argc, char **argv)
|
||||
|
||||
now = MIN(now, zs->zs_proc_stop);
|
||||
print_time(zs->zs_proc_stop - now, timebuf);
|
||||
nicenum(zs->zs_space, numbuf);
|
||||
nicenum(zs->zs_space, numbuf, sizeof (numbuf));
|
||||
|
||||
(void) printf("Pass %3d, %8s, %3llu ENOSPC, "
|
||||
"%4.1f%% of %5s used, %3.0f%% done, %8s to go\n",
|
||||
|
||||
@ -626,6 +626,9 @@ extern void delay(clock_t ticks);
|
||||
|
||||
#define ptob(x) ((x) * PAGESIZE)
|
||||
|
||||
#define NN_DIVISOR_1000 (1U << 0)
|
||||
#define NN_NUMBUF_SZ (6)
|
||||
|
||||
extern uint64_t physmem;
|
||||
|
||||
extern int highbit64(uint64_t i);
|
||||
@ -639,7 +642,7 @@ extern void random_init(void);
|
||||
extern void random_fini(void);
|
||||
|
||||
struct spa;
|
||||
extern void nicenum(uint64_t num, char *buf);
|
||||
extern void nicenum(uint64_t num, char *buf, size_t);
|
||||
extern void show_pool_stats(struct spa *);
|
||||
extern int set_global_var(char *arg);
|
||||
|
||||
|
||||
@ -21,6 +21,7 @@
|
||||
/*
|
||||
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2016 by Delphix. All rights reserved.
|
||||
* Copyright 2017 Jason King
|
||||
*/
|
||||
|
||||
#include <assert.h>
|
||||
@ -38,33 +39,106 @@
|
||||
* Routines needed by more than one client of libzpool.
|
||||
*/
|
||||
|
||||
/* The largest suffix that can fit, aka an exabyte (2^60 / 10^18) */
|
||||
#define INDEX_MAX (6)
|
||||
|
||||
/* Verify INDEX_MAX fits */
|
||||
CTASSERT_GLOBAL(INDEX_MAX * 10 < sizeof (uint64_t) * 8);
|
||||
|
||||
void
|
||||
nicenum(uint64_t num, char *buf)
|
||||
nicenum_scale(uint64_t n, size_t units, char *buf, size_t buflen,
|
||||
uint32_t flags)
|
||||
{
|
||||
uint64_t n = num;
|
||||
uint64_t divamt = 1024;
|
||||
uint64_t divisor = 1;
|
||||
int index = 0;
|
||||
int rc = 0;
|
||||
char u;
|
||||
|
||||
while (n >= 1024) {
|
||||
n = (n + (1024 / 2)) / 1024; /* Round up or down */
|
||||
if (units == 0)
|
||||
units = 1;
|
||||
|
||||
if (n > 0) {
|
||||
n *= units;
|
||||
if (n < units)
|
||||
goto overflow;
|
||||
}
|
||||
|
||||
if (flags & NN_DIVISOR_1000)
|
||||
divamt = 1000;
|
||||
|
||||
/*
|
||||
* This tries to find the suffix S(n) such that
|
||||
* S(n) <= n < S(n+1), where S(n) = 2^(n*10) | 10^(3*n)
|
||||
* (i.e. 1024/1000, 1,048,576/1,000,000, etc). Stop once S(n)
|
||||
* is the largest prefix supported (i.e. don't bother computing
|
||||
* and checking S(n+1). Since INDEX_MAX should be the largest
|
||||
* suffix that fits (currently an exabyte), S(INDEX_MAX + 1) is
|
||||
* never checked as it would overflow.
|
||||
*/
|
||||
while (index < INDEX_MAX) {
|
||||
uint64_t newdiv = divisor * divamt;
|
||||
|
||||
/* CTASSERT() guarantee these never trip */
|
||||
VERIFY3U(newdiv, >=, divamt);
|
||||
VERIFY3U(newdiv, >=, divisor);
|
||||
|
||||
if (n < newdiv)
|
||||
break;
|
||||
|
||||
divisor = newdiv;
|
||||
index++;
|
||||
}
|
||||
|
||||
u = " KMGTPE"[index];
|
||||
|
||||
if (index == 0) {
|
||||
(void) sprintf(buf, "%llu", (u_longlong_t)n);
|
||||
} else if (n < 10 && (num & (num - 1)) != 0) {
|
||||
(void) sprintf(buf, "%.2f%c",
|
||||
(double)num / (1ULL << 10 * index), u);
|
||||
} else if (n < 100 && (num & (num - 1)) != 0) {
|
||||
(void) sprintf(buf, "%.1f%c",
|
||||
(double)num / (1ULL << 10 * index), u);
|
||||
rc = snprintf(buf, buflen, "%llu", (u_longlong_t)n);
|
||||
} else if (n % divisor == 0) {
|
||||
/*
|
||||
* If this is an even multiple of the base, always display
|
||||
* without any decimal precision.
|
||||
*/
|
||||
rc = snprintf(buf, buflen, "%llu%c",
|
||||
(u_longlong_t)(n / divisor), u);
|
||||
} else {
|
||||
(void) sprintf(buf, "%llu%c", (u_longlong_t)n, u);
|
||||
/*
|
||||
* We want to choose a precision that reflects the best choice
|
||||
* for fitting in 5 characters. This can get rather tricky
|
||||
* when we have numbers that are very close to an order of
|
||||
* magnitude. For example, when displaying 10239 (which is
|
||||
* really 9.999K), we want only a single place of precision
|
||||
* for 10.0K. We could develop some complex heuristics for
|
||||
* this, but it's much easier just to try each combination
|
||||
* in turn.
|
||||
*/
|
||||
int i;
|
||||
for (i = 2; i >= 0; i--) {
|
||||
if ((rc = snprintf(buf, buflen, "%.*f%c", i,
|
||||
(double)n / divisor, u)) <= 5)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (rc + 1 > buflen || rc < 0)
|
||||
goto overflow;
|
||||
|
||||
return;
|
||||
|
||||
overflow:
|
||||
/* prefer a more verbose message if possible */
|
||||
if (buflen > 10)
|
||||
(void) strlcpy(buf, "<overflow>", buflen);
|
||||
else
|
||||
(void) strlcpy(buf, "??", buflen);
|
||||
}
|
||||
|
||||
void
|
||||
nicenum(uint64_t num, char *buf, size_t buflen)
|
||||
{
|
||||
nicenum_scale(num, 1, buf, buflen, 0);
|
||||
}
|
||||
|
||||
static void
|
||||
show_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent)
|
||||
{
|
||||
@ -99,15 +173,17 @@ show_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent)
|
||||
|
||||
sec = MAX(1, vs->vs_timestamp / NANOSEC);
|
||||
|
||||
nicenum(vs->vs_alloc, used);
|
||||
nicenum(vs->vs_space - vs->vs_alloc, avail);
|
||||
nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops);
|
||||
nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops);
|
||||
nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes);
|
||||
nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes);
|
||||
nicenum(vs->vs_read_errors, rerr);
|
||||
nicenum(vs->vs_write_errors, werr);
|
||||
nicenum(vs->vs_checksum_errors, cerr);
|
||||
nicenum(vs->vs_alloc, used, sizeof (used));
|
||||
nicenum(vs->vs_space - vs->vs_alloc, avail, sizeof (avail));
|
||||
nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops, sizeof (rops));
|
||||
nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops, sizeof (wops));
|
||||
nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes,
|
||||
sizeof (rbytes));
|
||||
nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes,
|
||||
sizeof (wbytes));
|
||||
nicenum(vs->vs_read_errors, rerr, sizeof (rerr));
|
||||
nicenum(vs->vs_write_errors, werr, sizeof (werr));
|
||||
nicenum(vs->vs_checksum_errors, cerr, sizeof (cerr));
|
||||
|
||||
(void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n",
|
||||
indent, "",
|
||||
|
||||
Loading…
Reference in New Issue
Block a user