WSL2-Linux-Kernel/tools/perf/ui/hist.c

528 строки
13 KiB
C

#include <math.h>
#include "../util/hist.h"
#include "../util/util.h"
#include "../util/sort.h"
/* hist period print (hpp) functions */
static int hpp__header_overhead(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "Overhead");
}
static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
{
return 8;
}
static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period / hists->stats.total_period;
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
}
static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}
static int hpp__header_overhead_sys(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
return scnprintf(hpp->buf, hpp->size, fmt, "sys");
}
static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
{
return 7;
}
static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_sys / hists->stats.total_period;
return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}
static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_sys / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}
static int hpp__header_overhead_us(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
return scnprintf(hpp->buf, hpp->size, fmt, "user");
}
static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
{
return 7;
}
static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_us / hists->stats.total_period;
return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
}
static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_us / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}
static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "guest sys");
}
static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
{
return 9;
}
static int hpp__color_overhead_guest_sys(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_guest_sys / hists->stats.total_period;
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}
static int hpp__entry_overhead_guest_sys(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_guest_sys / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}
static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "guest usr");
}
static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
{
return 9;
}
static int hpp__color_overhead_guest_us(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_guest_us / hists->stats.total_period;
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
}
static int hpp__entry_overhead_guest_us(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hists *hists = he->hists;
double percent = 100.0 * he->stat.period_guest_us / hists->stats.total_period;
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
return scnprintf(hpp->buf, hpp->size, fmt, percent);
}
static int hpp__header_baseline(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "Baseline");
}
static int hpp__width_baseline(struct perf_hpp *hpp __maybe_unused)
{
return 8;
}
static double baseline_percent(struct hist_entry *he)
{
struct hist_entry *pair = hist_entry__next_pair(he);
struct hists *pair_hists = pair ? pair->hists : NULL;
double percent = 0.0;
if (pair) {
u64 total_period = pair_hists->stats.total_period;
u64 base_period = pair->stat.period;
percent = 100.0 * base_period / total_period;
}
return percent;
}
static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he)
{
double percent = baseline_percent(he);
if (hist_entry__has_pairs(he))
return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
else
return scnprintf(hpp->buf, hpp->size, " ");
}
static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he)
{
double percent = baseline_percent(he);
const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
if (hist_entry__has_pairs(he) || symbol_conf.field_sep)
return scnprintf(hpp->buf, hpp->size, fmt, percent);
else
return scnprintf(hpp->buf, hpp->size, " ");
}
static int hpp__header_samples(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%11s";
return scnprintf(hpp->buf, hpp->size, fmt, "Samples");
}
static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
{
return 11;
}
static int hpp__entry_samples(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%11" PRIu64;
return scnprintf(hpp->buf, hpp->size, fmt, he->stat.nr_events);
}
static int hpp__header_period(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
return scnprintf(hpp->buf, hpp->size, fmt, "Period");
}
static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
{
return 12;
}
static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
return scnprintf(hpp->buf, hpp->size, fmt, he->stat.period);
}
static int hpp__header_period_baseline(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
return scnprintf(hpp->buf, hpp->size, fmt, "Period Base");
}
static int hpp__width_period_baseline(struct perf_hpp *hpp __maybe_unused)
{
return 12;
}
static int hpp__entry_period_baseline(struct perf_hpp *hpp, struct hist_entry *he)
{
struct hist_entry *pair = hist_entry__next_pair(he);
u64 period = pair ? pair->stat.period : 0;
const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
return scnprintf(hpp->buf, hpp->size, fmt, period);
}
static int hpp__header_delta(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
return scnprintf(hpp->buf, hpp->size, fmt, "Delta");
}
static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
{
return 7;
}
static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
char buf[32] = " ";
double diff;
if (he->diff.computed)
diff = he->diff.period_ratio_delta;
else
diff = perf_diff__compute_delta(he);
if (fabs(diff) >= 0.01)
scnprintf(buf, sizeof(buf), "%+4.2F%%", diff);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}
static int hpp__header_ratio(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
return scnprintf(hpp->buf, hpp->size, fmt, "Ratio");
}
static int hpp__width_ratio(struct perf_hpp *hpp __maybe_unused)
{
return 14;
}
static int hpp__entry_ratio(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
char buf[32] = " ";
double ratio;
if (he->diff.computed)
ratio = he->diff.period_ratio;
else
ratio = perf_diff__compute_ratio(he);
if (ratio > 0.0)
scnprintf(buf, sizeof(buf), "%+14.6F", ratio);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}
static int hpp__header_wdiff(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
return scnprintf(hpp->buf, hpp->size, fmt, "Weighted diff");
}
static int hpp__width_wdiff(struct perf_hpp *hpp __maybe_unused)
{
return 14;
}
static int hpp__entry_wdiff(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
char buf[32] = " ";
s64 wdiff;
if (he->diff.computed)
wdiff = he->diff.wdiff;
else
wdiff = perf_diff__compute_wdiff(he);
if (wdiff != 0)
scnprintf(buf, sizeof(buf), "%14ld", wdiff);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}
static int hpp__header_displ(struct perf_hpp *hpp)
{
return scnprintf(hpp->buf, hpp->size, "Displ.");
}
static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused)
{
return 6;
}
static int hpp__entry_displ(struct perf_hpp *hpp,
struct hist_entry *he)
{
struct hist_entry *pair = hist_entry__next_pair(he);
long displacement = pair ? pair->position - he->position : 0;
const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s";
char buf[32] = " ";
if (displacement)
scnprintf(buf, sizeof(buf), "%+4ld", displacement);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}
static int hpp__header_formula(struct perf_hpp *hpp)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%70s";
return scnprintf(hpp->buf, hpp->size, fmt, "Formula");
}
static int hpp__width_formula(struct perf_hpp *hpp __maybe_unused)
{
return 70;
}
static int hpp__entry_formula(struct perf_hpp *hpp, struct hist_entry *he)
{
const char *fmt = symbol_conf.field_sep ? "%s" : "%-70s";
char buf[96] = " ";
perf_diff__formula(buf, sizeof(buf), he);
return scnprintf(hpp->buf, hpp->size, fmt, buf);
}
#define HPP__COLOR_PRINT_FNS(_name) \
.header = hpp__header_ ## _name, \
.width = hpp__width_ ## _name, \
.color = hpp__color_ ## _name, \
.entry = hpp__entry_ ## _name
#define HPP__PRINT_FNS(_name) \
.header = hpp__header_ ## _name, \
.width = hpp__width_ ## _name, \
.entry = hpp__entry_ ## _name
struct perf_hpp_fmt perf_hpp__format[] = {
{ .cond = false, HPP__COLOR_PRINT_FNS(baseline) },
{ .cond = true, HPP__COLOR_PRINT_FNS(overhead) },
{ .cond = false, HPP__COLOR_PRINT_FNS(overhead_sys) },
{ .cond = false, HPP__COLOR_PRINT_FNS(overhead_us) },
{ .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_sys) },
{ .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_us) },
{ .cond = false, HPP__PRINT_FNS(samples) },
{ .cond = false, HPP__PRINT_FNS(period) },
{ .cond = false, HPP__PRINT_FNS(period_baseline) },
{ .cond = false, HPP__PRINT_FNS(delta) },
{ .cond = false, HPP__PRINT_FNS(ratio) },
{ .cond = false, HPP__PRINT_FNS(wdiff) },
{ .cond = false, HPP__PRINT_FNS(displ) },
{ .cond = false, HPP__PRINT_FNS(formula) }
};
#undef HPP__COLOR_PRINT_FNS
#undef HPP__PRINT_FNS
void perf_hpp__init(void)
{
if (symbol_conf.show_cpu_utilization) {
perf_hpp__format[PERF_HPP__OVERHEAD_SYS].cond = true;
perf_hpp__format[PERF_HPP__OVERHEAD_US].cond = true;
if (perf_guest) {
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].cond = true;
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].cond = true;
}
}
if (symbol_conf.show_nr_samples)
perf_hpp__format[PERF_HPP__SAMPLES].cond = true;
if (symbol_conf.show_total_period)
perf_hpp__format[PERF_HPP__PERIOD].cond = true;
}
void perf_hpp__column_enable(unsigned col, bool enable)
{
BUG_ON(col >= PERF_HPP__MAX_INDEX);
perf_hpp__format[col].cond = enable;
}
static inline void advance_hpp(struct perf_hpp *hpp, int inc)
{
hpp->buf += inc;
hpp->size -= inc;
}
int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he,
bool color)
{
const char *sep = symbol_conf.field_sep;
char *start = hpp->buf;
int i, ret;
bool first = true;
if (symbol_conf.exclude_other && !he->parent)
return 0;
for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
if (!perf_hpp__format[i].cond)
continue;
if (!sep || !first) {
ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: " ");
advance_hpp(hpp, ret);
first = false;
}
if (color && perf_hpp__format[i].color)
ret = perf_hpp__format[i].color(hpp, he);
else
ret = perf_hpp__format[i].entry(hpp, he);
advance_hpp(hpp, ret);
}
return hpp->buf - start;
}
int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
struct hists *hists)
{
const char *sep = symbol_conf.field_sep;
struct sort_entry *se;
int ret = 0;
list_for_each_entry(se, &hist_entry__sort_list, list) {
if (se->elide)
continue;
ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
ret += se->se_snprintf(he, s + ret, size - ret,
hists__col_len(hists, se->se_width_idx));
}
return ret;
}
/*
* See hists__fprintf to match the column widths
*/
unsigned int hists__sort_list_width(struct hists *hists)
{
struct sort_entry *se;
int i, ret = 0;
for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
if (!perf_hpp__format[i].cond)
continue;
if (i)
ret += 2;
ret += perf_hpp__format[i].width(NULL);
}
list_for_each_entry(se, &hist_entry__sort_list, list)
if (!se->elide)
ret += 2 + hists__col_len(hists, se->se_width_idx);
if (verbose) /* Addr + origin */
ret += 3 + BITS_PER_LONG / 4;
return ret;
}