// 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"
#include "dso.h"
#include "map.h"
#include "srcline.h"
#include "evlist.h"
#include "hist.h"
#include "ui/browsers/hists.h"
static struct block_header_column {
const char *name;
int width;
} block_columns[PERF_HPP_REPORT__BLOCK_MAX_INDEX] = {
[PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT] = {
.name = "Sampled Cycles%",
.width = 15,
},
[PERF_HPP_REPORT__BLOCK_LBR_CYCLES] = {
.name = "Sampled Cycles",
.width = 14,
},
[PERF_HPP_REPORT__BLOCK_CYCLES_PCT] = {
.name = "Avg Cycles%",
.width = 11,
},
[PERF_HPP_REPORT__BLOCK_AVG_CYCLES] = {
.name = "Avg Cycles",
.width = 10,
},
[PERF_HPP_REPORT__BLOCK_RANGE] = {
.name = "[Program Block Range]",
.width = 70,
},
[PERF_HPP_REPORT__BLOCK_DSO] = {
.name = "Shared Object",
.width = 20,
}
};
struct block_info *block_info__new(void)
{
return zalloc(sizeof(struct block_info));
}
void block_info__delete(struct block_info *bi)
{
free(bi);
}
int64_t __block_info__cmp(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 -1;
else if (!bi_l->sym)
return -1;
else
return 1;
}
cmp = strcmp(bi_l->sym->name, bi_r->sym->name);
if (cmp)
return cmp;
if (bi_l->start != bi_r->start)
return (int64_t)(bi_r->start - bi_l->start);
return (int64_t)(bi_r->end - bi_l->end);
}
int64_t block_info__cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
return __block_info__cmp(left, right);
}
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->branch || !notes->branch->cycles_hist)
return 0;
ch = notes->branch->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__delete(bi);
return -1;
}
}
}
if (block_cycles_aggr)
*block_cycles_aggr += cycles;
return 0;
}
static int block_column_header(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp,
struct hists *hists __maybe_unused,
int line __maybe_unused,
int *span __maybe_unused)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width,
block_fmt->header);
}
static int block_column_width(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp __maybe_unused,
struct hists *hists __maybe_unused)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
return block_fmt->width;
}
static int color_pct(struct perf_hpp *hpp, int width, double pct)
{
#ifdef HAVE_SLANG_SUPPORT
if (use_browser) {
return __hpp__slsmg_color_printf(hpp, "%*.2f%%",
width - 1, pct);
}
#endif
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, pct);
}
static int block_total_cycles_pct_entry(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp,
struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi = he->block_info;
double ratio = 0.0;
if (block_fmt->total_cycles)
ratio = (double)bi->cycles_aggr / (double)block_fmt->total_cycles;
return color_pct(hpp, block_fmt->width, 100.0 * ratio);
}
static int64_t block_total_cycles_pct_sort(struct perf_hpp_fmt *fmt,
struct hist_entry *left,
struct hist_entry *right)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi_l = left->block_info;
struct block_info *bi_r = right->block_info;
double l, r;
if (block_fmt->total_cycles) {
l = ((double)bi_l->cycles_aggr /
(double)block_fmt->total_cycles) * 100000.0;
r = ((double)bi_r->cycles_aggr /
(double)block_fmt->total_cycles) * 100000.0;
return (int64_t)l - (int64_t)r;
}
return 0;
}
static void cycles_string(u64 cycles, char *buf, int size)
{
if (cycles >= 1000000)
scnprintf(buf, size, "%.1fM", (double)cycles / 1000000.0);
else if (cycles >= 1000)
scnprintf(buf, size, "%.1fK", (double)cycles / 1000.0);
else
scnprintf(buf, size, "%1d", cycles);
}
static int block_cycles_lbr_entry(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp, struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi = he->block_info;
char cycles_buf[16];
cycles_string(bi->cycles_aggr, cycles_buf, sizeof(cycles_buf));
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width,
cycles_buf);
}
static int block_cycles_pct_entry(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp, struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi = he->block_info;
double ratio = 0.0;
u64 avg;
if (block_fmt->block_cycles && bi->num_aggr) {
avg = bi->cycles_aggr / bi->num_aggr;
ratio = (double)avg / (double)block_fmt->block_cycles;
}
return color_pct(hpp, block_fmt->width, 100.0 * ratio);
}
static int block_avg_cycles_entry(struct perf_hpp_fmt *fmt,
struct perf_hpp *hpp,
struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi = he->block_info;
char cycles_buf[16];
cycles_string(bi->cycles_aggr / bi->num_aggr, cycles_buf,
sizeof(cycles_buf));
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width,
cycles_buf);
}
static int block_range_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct block_info *bi = he->block_info;
char buf[128];
char *start_line, *end_line;
symbol_conf.disable_add2line_warn = true;
start_line = map__srcline(he->ms.map, bi->sym->start + bi->start,
he->ms.sym);
end_line = map__srcline(he->ms.map, bi->sym->start + bi->end,
he->ms.sym);
if (start_line != SRCLINE_UNKNOWN &&
end_line != SRCLINE_UNKNOWN) {
scnprintf(buf, sizeof(buf), "[%s -> %s]",
start_line, end_line);
} else {
scnprintf(buf, sizeof(buf), "[%7lx -> %7lx]",
bi->start, bi->end);
}
zfree_srcline(&start_line);
zfree_srcline(&end_line);
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width, buf);
}
static int block_dso_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct block_fmt *block_fmt = container_of(fmt, struct block_fmt, fmt);
struct map *map = he->ms.map;
if (map && map__dso(map)) {
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width,
dso__short_name(map__dso(map)));
}
return scnprintf(hpp->buf, hpp->size, "%*s", block_fmt->width,
"[unknown]");
}
static void init_block_header(struct block_fmt *block_fmt)
{
struct perf_hpp_fmt *fmt = &block_fmt->fmt;
BUG_ON(block_fmt->idx >= PERF_HPP_REPORT__BLOCK_MAX_INDEX);
block_fmt->header = block_columns[block_fmt->idx].name;
block_fmt->width = block_columns[block_fmt->idx].width;
fmt->header = block_column_header;
fmt->width = block_column_width;
}
static void hpp_register(struct block_fmt *block_fmt, int idx,
struct perf_hpp_list *hpp_list)
{
struct perf_hpp_fmt *fmt = &block_fmt->fmt;
block_fmt->idx = idx;
INIT_LIST_HEAD(&fmt->list);
INIT_LIST_HEAD(&fmt->sort_list);
switch (idx) {
case PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT:
fmt->color = block_total_cycles_pct_entry;
fmt->cmp = block_info__cmp;
fmt->sort = block_total_cycles_pct_sort;
break;
case PERF_HPP_REPORT__BLOCK_LBR_CYCLES:
fmt->entry = block_cycles_lbr_entry;
break;
case PERF_HPP_REPORT__BLOCK_CYCLES_PCT:
fmt->color = block_cycles_pct_entry;
break;
case PERF_HPP_REPORT__BLOCK_AVG_CYCLES:
fmt->entry = block_avg_cycles_entry;
break;
case PERF_HPP_REPORT__BLOCK_RANGE:
fmt->entry = block_range_entry;
break;
case PERF_HPP_REPORT__BLOCK_DSO:
fmt->entry = block_dso_entry;
break;
default:
return;
}
init_block_header(block_fmt);
perf_hpp_list__column_register(hpp_list, fmt);
}
static void register_block_columns(struct perf_hpp_list *hpp_list,
struct block_fmt *block_fmts,
int *block_hpps, int nr_hpps)
{
for (int i = 0; i < nr_hpps; i++)
hpp_register(&block_fmts[i], block_hpps[i], hpp_list);
}
static void init_block_hist(struct block_hist *bh, struct block_fmt *block_fmts,
int *block_hpps, int nr_hpps)
{
__hists__init(&bh->block_hists, &bh->block_list);
perf_hpp_list__init(&bh->block_list);
bh->block_list.nr_header_lines = 1;
register_block_columns(&bh->block_list, block_fmts,
block_hpps, nr_hpps);
/* Sort by the first fmt */
perf_hpp_list__register_sort_field(&bh->block_list, &block_fmts[0].fmt);
}
static int process_block_report(struct hists *hists,
struct block_report *block_report,
u64 total_cycles, int *block_hpps,
int nr_hpps)
{
struct rb_node *next = rb_first_cached(&hists->entries);
struct block_hist *bh = &block_report->hist;
struct hist_entry *he;
if (nr_hpps > PERF_HPP_REPORT__BLOCK_MAX_INDEX)
return -1;
block_report->nr_fmts = nr_hpps;
init_block_hist(bh, block_report->fmts, block_hpps, nr_hpps);
while (next) {
he = rb_entry(next, struct hist_entry, rb_node);
block_info__process_sym(he, bh, &block_report->cycles,
total_cycles);
next = rb_next(&he->rb_node);
}
for (int i = 0; i < nr_hpps; i++) {
block_report->fmts[i].total_cycles = total_cycles;
block_report->fmts[i].block_cycles = block_report->cycles;
}
hists__output_resort(&bh->block_hists, NULL);
return 0;
}
struct block_report *block_info__create_report(struct evlist *evlist,
u64 total_cycles,
int *block_hpps, int nr_hpps,
int *nr_reps)
{
struct block_report *block_reports;
int nr_hists = evlist->core.nr_entries, i = 0;
struct evsel *pos;
block_reports = calloc(nr_hists, sizeof(struct block_report));
if (!block_reports)
return NULL;
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
process_block_report(hists, &block_reports[i], total_cycles,
block_hpps, nr_hpps);
i++;
}
*nr_reps = nr_hists;
return block_reports;
}
void block_info__free_report(struct block_report *reps, int nr_reps)
{
for (int i = 0; i < nr_reps; i++)
hists__delete_entries(&reps[i].hist.block_hists);
free(reps);
}
int report__browse_block_hists(struct block_hist *bh, float min_percent,
struct evsel *evsel, struct perf_env *env)
{
int ret;
switch (use_browser) {
case 0:
symbol_conf.report_individual_block = true;
hists__fprintf(&bh->block_hists, true, 0, 0, min_percent,
stdout, true);
return 0;
case 1:
symbol_conf.report_individual_block = true;
ret = block_hists_tui_browse(bh, evsel, min_percent, env);
return ret;
default:
return -1;
}
return 0;
}
float block_info__total_cycles_percent(struct hist_entry *he)
{
struct block_info *bi = he->block_info;
if (bi->total_cycles)
return bi->cycles * 100.0 / bi->total_cycles;
return 0.0;
}
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