286 lines
7.5 KiB
C
286 lines
7.5 KiB
C
#include <math.h>
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#include <linux/compiler.h>
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#include "../util/hist.h"
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#include "../util/util.h"
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#include "../util/sort.h"
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#include "../util/evsel.h"
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/* hist period print (hpp) functions */
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typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
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static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
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u64 (*get_field)(struct hist_entry *),
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const char *fmt, hpp_snprint_fn print_fn,
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bool fmt_percent)
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{
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int ret;
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struct hists *hists = he->hists;
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struct perf_evsel *evsel = hists_to_evsel(hists);
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if (fmt_percent) {
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double percent = 0.0;
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if (hists->stats.total_period)
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percent = 100.0 * get_field(he) /
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hists->stats.total_period;
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ret = print_fn(hpp->buf, hpp->size, fmt, percent);
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} else
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ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he));
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if (perf_evsel__is_group_event(evsel)) {
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int prev_idx, idx_delta;
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struct hist_entry *pair;
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int nr_members = evsel->nr_members;
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prev_idx = perf_evsel__group_idx(evsel);
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list_for_each_entry(pair, &he->pairs.head, pairs.node) {
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u64 period = get_field(pair);
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u64 total = pair->hists->stats.total_period;
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if (!total)
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continue;
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evsel = hists_to_evsel(pair->hists);
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idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
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while (idx_delta--) {
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/*
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* zero-fill group members in the middle which
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* have no sample
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*/
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ret += print_fn(hpp->buf + ret, hpp->size - ret,
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fmt, 0);
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}
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if (fmt_percent)
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ret += print_fn(hpp->buf + ret, hpp->size - ret,
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fmt, 100.0 * period / total);
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else
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ret += print_fn(hpp->buf + ret, hpp->size - ret,
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fmt, period);
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prev_idx = perf_evsel__group_idx(evsel);
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}
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idx_delta = nr_members - prev_idx - 1;
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while (idx_delta--) {
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/*
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* zero-fill group members at last which have no sample
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*/
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ret += print_fn(hpp->buf + ret, hpp->size - ret,
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fmt, 0);
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}
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}
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return ret;
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}
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#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
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static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
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struct perf_hpp *hpp) \
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{ \
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int len = _min_width; \
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\
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if (symbol_conf.event_group) { \
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struct perf_evsel *evsel = hpp->ptr; \
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\
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len = max(len, evsel->nr_members * _unit_width); \
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} \
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return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
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}
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#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \
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static int hpp__width_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
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struct perf_hpp *hpp __maybe_unused) \
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{ \
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int len = _min_width; \
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\
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if (symbol_conf.event_group) { \
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struct perf_evsel *evsel = hpp->ptr; \
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\
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len = max(len, evsel->nr_members * _unit_width); \
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} \
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return len; \
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}
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#define __HPP_COLOR_PERCENT_FN(_type, _field) \
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static u64 he_get_##_field(struct hist_entry *he) \
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{ \
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return he->stat._field; \
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} \
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\
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static int hpp__color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
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struct perf_hpp *hpp, struct hist_entry *he) \
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{ \
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return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
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percent_color_snprintf, true); \
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}
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#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
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static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
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struct perf_hpp *hpp, struct hist_entry *he) \
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{ \
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const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
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return __hpp__fmt(hpp, he, he_get_##_field, fmt, \
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scnprintf, true); \
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}
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#define __HPP_ENTRY_RAW_FN(_type, _field) \
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static u64 he_get_raw_##_field(struct hist_entry *he) \
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{ \
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return he->stat._field; \
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} \
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\
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static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \
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struct perf_hpp *hpp, struct hist_entry *he) \
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{ \
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const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
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return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false); \
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}
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#define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width) \
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__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
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__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
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__HPP_COLOR_PERCENT_FN(_type, _field) \
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__HPP_ENTRY_PERCENT_FN(_type, _field)
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#define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width) \
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__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
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__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
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__HPP_ENTRY_RAW_FN(_type, _field)
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HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
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HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
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HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
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HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
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HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)
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HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
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HPP_RAW_FNS(period, "Period", period, 12, 12)
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#define HPP__COLOR_PRINT_FNS(_name) \
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{ \
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.header = hpp__header_ ## _name, \
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.width = hpp__width_ ## _name, \
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.color = hpp__color_ ## _name, \
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.entry = hpp__entry_ ## _name \
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}
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#define HPP__PRINT_FNS(_name) \
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{ \
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.header = hpp__header_ ## _name, \
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.width = hpp__width_ ## _name, \
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.entry = hpp__entry_ ## _name \
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}
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struct perf_hpp_fmt perf_hpp__format[] = {
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HPP__COLOR_PRINT_FNS(overhead),
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HPP__COLOR_PRINT_FNS(overhead_sys),
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HPP__COLOR_PRINT_FNS(overhead_us),
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HPP__COLOR_PRINT_FNS(overhead_guest_sys),
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HPP__COLOR_PRINT_FNS(overhead_guest_us),
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HPP__PRINT_FNS(samples),
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HPP__PRINT_FNS(period)
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};
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LIST_HEAD(perf_hpp__list);
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#undef HPP__COLOR_PRINT_FNS
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#undef HPP__PRINT_FNS
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#undef HPP_PERCENT_FNS
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#undef HPP_RAW_FNS
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#undef __HPP_HEADER_FN
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#undef __HPP_WIDTH_FN
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#undef __HPP_COLOR_PERCENT_FN
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#undef __HPP_ENTRY_PERCENT_FN
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#undef __HPP_ENTRY_RAW_FN
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void perf_hpp__init(void)
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{
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perf_hpp__column_enable(PERF_HPP__OVERHEAD);
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if (symbol_conf.show_cpu_utilization) {
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perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
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perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);
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if (perf_guest) {
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perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
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perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
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}
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}
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if (symbol_conf.show_nr_samples)
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perf_hpp__column_enable(PERF_HPP__SAMPLES);
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if (symbol_conf.show_total_period)
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perf_hpp__column_enable(PERF_HPP__PERIOD);
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}
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void perf_hpp__column_register(struct perf_hpp_fmt *format)
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{
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list_add_tail(&format->list, &perf_hpp__list);
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}
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void perf_hpp__column_enable(unsigned col)
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{
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BUG_ON(col >= PERF_HPP__MAX_INDEX);
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perf_hpp__column_register(&perf_hpp__format[col]);
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}
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int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
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struct hists *hists)
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{
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const char *sep = symbol_conf.field_sep;
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struct sort_entry *se;
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int ret = 0;
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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if (se->elide)
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continue;
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ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
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ret += se->se_snprintf(he, s + ret, size - ret,
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hists__col_len(hists, se->se_width_idx));
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}
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return ret;
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}
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/*
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* See hists__fprintf to match the column widths
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*/
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unsigned int hists__sort_list_width(struct hists *hists)
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{
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struct perf_hpp_fmt *fmt;
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struct sort_entry *se;
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int i = 0, ret = 0;
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struct perf_hpp dummy_hpp = {
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.ptr = hists_to_evsel(hists),
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};
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perf_hpp__for_each_format(fmt) {
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if (i)
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ret += 2;
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ret += fmt->width(fmt, &dummy_hpp);
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}
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list_for_each_entry(se, &hist_entry__sort_list, list)
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if (!se->elide)
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ret += 2 + hists__col_len(hists, se->se_width_idx);
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if (verbose) /* Addr + origin */
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ret += 3 + BITS_PER_LONG / 4;
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return ret;
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}
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