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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <stdio.h>
#include "_debug.h"
#include "msg.h"
#include "libld.h"
static const char *
fmt_human_units(size_t bytes, char *buf, size_t bufsize)
{
static int unit_arr[] = { 'K', 'M', 'G', 'T' };
int i, unit_ch;
size_t unit_bytes = bytes;
/* Convert to human readable units */
for (i = 0; i < sizeof (unit_arr) / sizeof (unit_arr[0]); i++) {
if (unit_bytes < 1024)
break;
unit_ch = unit_arr[i];
unit_bytes /= 1024;
}
if (unit_bytes == bytes)
buf[0] = '\0';
else
(void) snprintf(buf, bufsize, MSG_ORIG(MSG_FMT_MEMUNIT),
EC_XWORD(unit_bytes), unit_ch);
return (buf);
}
/*
* Generate a relocation cache statistics line for the active or
* output relocation cache.
*
* entry:
* ofl - output file descriptor
* alp - One of ofl->ofl_actrels or ofl->ofl_outrels.
*/
static void
rel_cache_statistics(Ofl_desc *ofl, const char *title, APlist *alp)
{
Lm_list *lml = ofl->ofl_lml;
size_t desc_cnt = 0, desc_used = 0, bytes;
Aliste idx;
Rel_cachebuf *rcp;
char unit_buf[CONV_INV_BUFSIZE + 10];
/* Sum the total memory allocated across all the buffers */
for (APLIST_TRAVERSE(alp, idx, rcp)) {
desc_cnt += rcp->rc_end - rcp->rc_arr;
desc_used += rcp->rc_free - rcp->rc_arr;
}
bytes = desc_cnt * sizeof (Rel_desc);
dbg_print(lml, MSG_INTL(MSG_STATS_REL_CACHE), title,
EC_WORD(aplist_nitems(alp)),
EC_XWORD(desc_used), EC_XWORD(desc_cnt),
(desc_cnt == 0) ? 100 : EC_WORD((desc_used * 100) / desc_cnt),
EC_XWORD(bytes),
fmt_human_units(bytes, unit_buf, sizeof (unit_buf)));
}
/*
* Generate a statistics line for the auxiliary relocation descriptor cache.
*
* entry:
* ofl - output file descriptor
*/
static void
rel_aux_cache_statistics(Ofl_desc *ofl)
{
Rel_aux_cachebuf *racp;
Lm_list *lml = ofl->ofl_lml;
size_t desc_cnt = 0, desc_used = 0, bytes;
Aliste idx;
char unit_buf[CONV_INV_BUFSIZE + 10];
/* Sum the total memory allocated across all the buffers */
for (APLIST_TRAVERSE(ofl->ofl_relaux, idx, racp)) {
desc_cnt += racp->rac_end - racp->rac_arr;
desc_used += racp->rac_free - racp->rac_arr;
}
bytes = desc_cnt * sizeof (Rel_desc);
dbg_print(lml, MSG_INTL(MSG_STATS_REL_ACACHE),
EC_WORD(aplist_nitems(ofl->ofl_relaux)),
EC_XWORD(desc_used), EC_XWORD(desc_cnt),
(desc_cnt == 0) ? 100 : EC_WORD((desc_used * 100) / desc_cnt),
EC_XWORD(bytes),
fmt_human_units(bytes, unit_buf, sizeof (unit_buf)));
}
void
Dbg_statistics_ld(Ofl_desc *ofl)
{
Lm_list *lml = ofl->ofl_lml;
if (DBG_NOTCLASS(DBG_C_STATS))
return;
Dbg_util_nl(lml, DBG_NL_STD);
dbg_print(lml, MSG_INTL(MSG_STATS_GENERAL));
if (ofl->ofl_objscnt || ofl->ofl_soscnt || ofl->ofl_arscnt) {
dbg_print(lml, MSG_INTL(MSG_STATS_FILES),
EC_XWORD(ofl->ofl_objscnt), EC_XWORD(ofl->ofl_soscnt),
EC_XWORD(ofl->ofl_arscnt));
}
if (ofl->ofl_locscnt || ofl->ofl_globcnt) {
dbg_print(lml, MSG_INTL(MSG_STATS_SYMBOLS_OUT),
EC_XWORD(ofl->ofl_globcnt), EC_XWORD(ofl->ofl_locscnt));
}
if (ofl->ofl_entercnt || ofl->ofl_scopecnt || ofl->ofl_elimcnt) {
dbg_print(lml, MSG_INTL(MSG_STATS_SYMBOLS_IN),
EC_XWORD(ofl->ofl_entercnt), EC_XWORD(ofl->ofl_scopecnt),
EC_XWORD(ofl->ofl_elimcnt));
}
dbg_print(lml, MSG_INTL(MSG_STATS_REL_OUT),
EC_XWORD(ofl->ofl_outrels.rc_cnt));
dbg_print(lml, MSG_INTL(MSG_STATS_REL_IN),
EC_XWORD(ofl->ofl_entrelscnt), EC_XWORD(ofl->ofl_actrels.rc_cnt));
dbg_print(lml, MSG_INTL(MSG_STATS_REL_TICACHE));
rel_cache_statistics(ofl, MSG_INTL(MSG_STATS_REL_TIOUT),
ofl->ofl_outrels.rc_list);
rel_cache_statistics(ofl, MSG_INTL(MSG_STATS_REL_TIACT),
ofl->ofl_actrels.rc_list);
rel_aux_cache_statistics(ofl);
}
void
Dbg_statistics_ar(Ofl_desc *ofl)
{
Aliste idx;
Ar_desc *adp;
Elf_Arsym *arsym;
Ar_aux *aux;
Lm_list *lml = ofl->ofl_lml;
if (DBG_NOTCLASS(DBG_C_STATS | DBG_C_UNUSED))
return;
Dbg_util_nl(lml, DBG_NL_STD);
for (APLIST_TRAVERSE(ofl->ofl_ars, idx, adp)) {
size_t poffset = 0;
uint_t count = 0, used = 0;
if ((adp->ad_flags & FLG_ARD_EXTRACT) == 0) {
Dbg_unused_file(lml, adp->ad_name, 0, 0);
continue;
}
if (DBG_NOTCLASS(DBG_C_STATS))
continue;
arsym = adp->ad_start;
aux = adp->ad_aux;
while ((arsym != NULL) && (arsym->as_off != 0)) {
/*
* Assume that symbols from the same member file are
* adjacent within the archive symbol table.
*/
if (poffset != arsym->as_off) {
count++;
poffset = arsym->as_off;
if (aux->au_mem == FLG_ARMEM_PROC)
used++;
}
aux++, arsym++;
}
if ((count == 0) || (used == 0))
continue;
dbg_print(lml, MSG_INTL(MSG_STATS_AR), adp->ad_name, count,
used, ((used * 100) / count));
}
Dbg_util_nl(lml, DBG_NL_STD);
}
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