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// SPDX-License-Identifier: GPL-2.0
#include <stdlib.h>
#include <string.h>
#include <linux/zalloc.h>
#include "block-info.h"
#include "sort.h"
#include "annotate.h"
#include "symbol.h"
struct block_info *block_info__get(struct block_info *bi)
{
if (bi)
refcount_inc(&bi->refcnt);
return bi;
}
void block_info__put(struct block_info *bi)
{
if (bi && refcount_dec_and_test(&bi->refcnt))
free(bi);
}
struct block_info *block_info__new(void)
{
struct block_info *bi = zalloc(sizeof(*bi));
if (bi)
refcount_set(&bi->refcnt, 1);
return bi;
}
int64_t block_info__cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
struct block_info *bi_l = left->block_info;
struct block_info *bi_r = right->block_info;
int cmp;
if (!bi_l->sym || !bi_r->sym) {
if (!bi_l->sym && !bi_r->sym)
return 0;
else if (!bi_l->sym)
return -1;
else
return 1;
}
if (bi_l->sym == bi_r->sym) {
if (bi_l->start == bi_r->start) {
if (bi_l->end == bi_r->end)
return 0;
else
return (int64_t)(bi_r->end - bi_l->end);
} else
return (int64_t)(bi_r->start - bi_l->start);
} else {
cmp = strcmp(bi_l->sym->name, bi_r->sym->name);
return cmp;
}
if (bi_l->sym->start != bi_r->sym->start)
return (int64_t)(bi_r->sym->start - bi_l->sym->start);
return (int64_t)(bi_r->sym->end - bi_l->sym->end);
}
static void init_block_info(struct block_info *bi, struct symbol *sym,
struct cyc_hist *ch, int offset,
u64 total_cycles)
{
bi->sym = sym;
bi->start = ch->start;
bi->end = offset;
bi->cycles = ch->cycles;
bi->cycles_aggr = ch->cycles_aggr;
bi->num = ch->num;
bi->num_aggr = ch->num_aggr;
bi->total_cycles = total_cycles;
memcpy(bi->cycles_spark, ch->cycles_spark,
NUM_SPARKS * sizeof(u64));
}
int block_info__process_sym(struct hist_entry *he, struct block_hist *bh,
u64 *block_cycles_aggr, u64 total_cycles)
{
struct annotation *notes;
struct cyc_hist *ch;
static struct addr_location al;
u64 cycles = 0;
if (!he->ms.map || !he->ms.sym)
return 0;
memset(&al, 0, sizeof(al));
al.map = he->ms.map;
al.sym = he->ms.sym;
notes = symbol__annotation(he->ms.sym);
if (!notes || !notes->src || !notes->src->cycles_hist)
return 0;
ch = notes->src->cycles_hist;
for (unsigned int i = 0; i < symbol__size(he->ms.sym); i++) {
if (ch[i].num_aggr) {
struct block_info *bi;
struct hist_entry *he_block;
bi = block_info__new();
if (!bi)
return -1;
init_block_info(bi, he->ms.sym, &ch[i], i,
total_cycles);
cycles += bi->cycles_aggr / bi->num_aggr;
he_block = hists__add_entry_block(&bh->block_hists,
&al, bi);
if (!he_block) {
block_info__put(bi);
return -1;
}
}
}
if (block_cycles_aggr)
*block_cycles_aggr += cycles;
return 0;
}
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