1214 lines
28 KiB
C
1214 lines
28 KiB
C
#include "annotate.h"
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#include "util.h"
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#include "build-id.h"
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#include "hist.h"
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#include "session.h"
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#include "sort.h"
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#include <math.h>
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static bool hists__filter_entry_by_dso(struct hists *hists,
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struct hist_entry *he);
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static bool hists__filter_entry_by_thread(struct hists *hists,
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struct hist_entry *he);
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enum hist_filter {
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HIST_FILTER__DSO,
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HIST_FILTER__THREAD,
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HIST_FILTER__PARENT,
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};
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struct callchain_param callchain_param = {
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.mode = CHAIN_GRAPH_REL,
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.min_percent = 0.5,
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.order = ORDER_CALLEE
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};
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u16 hists__col_len(struct hists *hists, enum hist_column col)
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{
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return hists->col_len[col];
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}
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void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
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{
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hists->col_len[col] = len;
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}
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bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
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{
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if (len > hists__col_len(hists, col)) {
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hists__set_col_len(hists, col, len);
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return true;
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}
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return false;
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}
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static void hists__reset_col_len(struct hists *hists)
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{
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enum hist_column col;
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for (col = 0; col < HISTC_NR_COLS; ++col)
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hists__set_col_len(hists, col, 0);
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}
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static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
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{
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u16 len;
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if (h->ms.sym)
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hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen);
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else {
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const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
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if (hists__col_len(hists, HISTC_DSO) < unresolved_col_width &&
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!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
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!symbol_conf.dso_list)
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hists__set_col_len(hists, HISTC_DSO,
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unresolved_col_width);
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}
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len = thread__comm_len(h->thread);
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if (hists__new_col_len(hists, HISTC_COMM, len))
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hists__set_col_len(hists, HISTC_THREAD, len + 6);
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if (h->ms.map) {
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len = dso__name_len(h->ms.map->dso);
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hists__new_col_len(hists, HISTC_DSO, len);
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}
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}
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static void hist_entry__add_cpumode_period(struct hist_entry *self,
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unsigned int cpumode, u64 period)
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{
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switch (cpumode) {
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case PERF_RECORD_MISC_KERNEL:
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self->period_sys += period;
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break;
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case PERF_RECORD_MISC_USER:
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self->period_us += period;
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break;
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case PERF_RECORD_MISC_GUEST_KERNEL:
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self->period_guest_sys += period;
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break;
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case PERF_RECORD_MISC_GUEST_USER:
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self->period_guest_us += period;
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break;
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default:
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break;
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}
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}
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static void hist_entry__decay(struct hist_entry *he)
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{
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he->period = (he->period * 7) / 8;
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he->nr_events = (he->nr_events * 7) / 8;
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}
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static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
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{
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u64 prev_period = he->period;
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if (prev_period == 0)
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return true;
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hist_entry__decay(he);
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if (!he->filtered)
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hists->stats.total_period -= prev_period - he->period;
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return he->period == 0;
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}
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static void __hists__decay_entries(struct hists *hists, bool zap_user,
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bool zap_kernel, bool threaded)
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{
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struct rb_node *next = rb_first(&hists->entries);
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struct hist_entry *n;
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while (next) {
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n = rb_entry(next, struct hist_entry, rb_node);
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next = rb_next(&n->rb_node);
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/*
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* We may be annotating this, for instance, so keep it here in
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* case some it gets new samples, we'll eventually free it when
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* the user stops browsing and it agains gets fully decayed.
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*/
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if (((zap_user && n->level == '.') ||
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(zap_kernel && n->level != '.') ||
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hists__decay_entry(hists, n)) &&
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!n->used) {
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rb_erase(&n->rb_node, &hists->entries);
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if (sort__need_collapse || threaded)
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rb_erase(&n->rb_node_in, &hists->entries_collapsed);
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hist_entry__free(n);
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--hists->nr_entries;
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}
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}
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}
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void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
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{
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return __hists__decay_entries(hists, zap_user, zap_kernel, false);
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}
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void hists__decay_entries_threaded(struct hists *hists,
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bool zap_user, bool zap_kernel)
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{
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return __hists__decay_entries(hists, zap_user, zap_kernel, true);
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}
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/*
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* histogram, sorted on item, collects periods
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*/
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static struct hist_entry *hist_entry__new(struct hist_entry *template)
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{
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size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0;
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struct hist_entry *self = malloc(sizeof(*self) + callchain_size);
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if (self != NULL) {
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*self = *template;
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self->nr_events = 1;
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if (self->ms.map)
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self->ms.map->referenced = true;
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if (symbol_conf.use_callchain)
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callchain_init(self->callchain);
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}
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return self;
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}
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static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
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{
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if (!h->filtered) {
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hists__calc_col_len(hists, h);
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++hists->nr_entries;
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hists->stats.total_period += h->period;
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}
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}
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static u8 symbol__parent_filter(const struct symbol *parent)
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{
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if (symbol_conf.exclude_other && parent == NULL)
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return 1 << HIST_FILTER__PARENT;
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return 0;
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}
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struct hist_entry *__hists__add_entry(struct hists *hists,
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struct addr_location *al,
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struct symbol *sym_parent, u64 period)
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{
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struct rb_node **p;
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struct rb_node *parent = NULL;
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struct hist_entry *he;
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struct hist_entry entry = {
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.thread = al->thread,
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.ms = {
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.map = al->map,
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.sym = al->sym,
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},
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.cpu = al->cpu,
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.ip = al->addr,
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.level = al->level,
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.period = period,
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.parent = sym_parent,
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.filtered = symbol__parent_filter(sym_parent),
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};
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int cmp;
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pthread_mutex_lock(&hists->lock);
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p = &hists->entries_in->rb_node;
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while (*p != NULL) {
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parent = *p;
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he = rb_entry(parent, struct hist_entry, rb_node_in);
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cmp = hist_entry__cmp(&entry, he);
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if (!cmp) {
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he->period += period;
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++he->nr_events;
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goto out;
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}
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if (cmp < 0)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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he = hist_entry__new(&entry);
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if (!he)
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goto out_unlock;
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rb_link_node(&he->rb_node_in, parent, p);
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rb_insert_color(&he->rb_node_in, hists->entries_in);
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out:
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hist_entry__add_cpumode_period(he, al->cpumode, period);
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out_unlock:
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pthread_mutex_unlock(&hists->lock);
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return he;
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}
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int64_t
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hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
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{
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struct sort_entry *se;
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int64_t cmp = 0;
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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cmp = se->se_cmp(left, right);
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if (cmp)
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break;
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}
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return cmp;
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}
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int64_t
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hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
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{
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struct sort_entry *se;
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int64_t cmp = 0;
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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int64_t (*f)(struct hist_entry *, struct hist_entry *);
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f = se->se_collapse ?: se->se_cmp;
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cmp = f(left, right);
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if (cmp)
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break;
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}
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return cmp;
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}
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void hist_entry__free(struct hist_entry *he)
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{
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free(he);
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}
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/*
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* collapse the histogram
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*/
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static bool hists__collapse_insert_entry(struct hists *hists,
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struct rb_root *root,
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struct hist_entry *he)
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{
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struct rb_node **p = &root->rb_node;
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struct rb_node *parent = NULL;
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struct hist_entry *iter;
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int64_t cmp;
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while (*p != NULL) {
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parent = *p;
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iter = rb_entry(parent, struct hist_entry, rb_node_in);
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cmp = hist_entry__collapse(iter, he);
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if (!cmp) {
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iter->period += he->period;
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iter->nr_events += he->nr_events;
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if (symbol_conf.use_callchain) {
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callchain_cursor_reset(&hists->callchain_cursor);
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callchain_merge(&hists->callchain_cursor, iter->callchain,
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he->callchain);
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}
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hist_entry__free(he);
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return false;
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}
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if (cmp < 0)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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rb_link_node(&he->rb_node_in, parent, p);
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rb_insert_color(&he->rb_node_in, root);
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return true;
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}
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static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
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{
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struct rb_root *root;
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pthread_mutex_lock(&hists->lock);
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root = hists->entries_in;
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if (++hists->entries_in > &hists->entries_in_array[1])
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hists->entries_in = &hists->entries_in_array[0];
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pthread_mutex_unlock(&hists->lock);
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return root;
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}
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static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
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{
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hists__filter_entry_by_dso(hists, he);
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hists__filter_entry_by_thread(hists, he);
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}
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static void __hists__collapse_resort(struct hists *hists, bool threaded)
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{
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struct rb_root *root;
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struct rb_node *next;
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struct hist_entry *n;
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if (!sort__need_collapse && !threaded)
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return;
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root = hists__get_rotate_entries_in(hists);
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next = rb_first(root);
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while (next) {
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n = rb_entry(next, struct hist_entry, rb_node_in);
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next = rb_next(&n->rb_node_in);
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rb_erase(&n->rb_node_in, root);
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if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n)) {
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/*
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* If it wasn't combined with one of the entries already
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* collapsed, we need to apply the filters that may have
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* been set by, say, the hist_browser.
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*/
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hists__apply_filters(hists, n);
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}
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}
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}
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void hists__collapse_resort(struct hists *hists)
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{
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return __hists__collapse_resort(hists, false);
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}
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void hists__collapse_resort_threaded(struct hists *hists)
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{
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return __hists__collapse_resort(hists, true);
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}
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/*
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* reverse the map, sort on period.
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*/
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static void __hists__insert_output_entry(struct rb_root *entries,
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struct hist_entry *he,
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u64 min_callchain_hits)
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{
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struct rb_node **p = &entries->rb_node;
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struct rb_node *parent = NULL;
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struct hist_entry *iter;
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if (symbol_conf.use_callchain)
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callchain_param.sort(&he->sorted_chain, he->callchain,
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min_callchain_hits, &callchain_param);
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while (*p != NULL) {
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parent = *p;
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iter = rb_entry(parent, struct hist_entry, rb_node);
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if (he->period > iter->period)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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rb_link_node(&he->rb_node, parent, p);
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rb_insert_color(&he->rb_node, entries);
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}
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static void __hists__output_resort(struct hists *hists, bool threaded)
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{
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struct rb_root *root;
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struct rb_node *next;
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struct hist_entry *n;
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u64 min_callchain_hits;
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min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
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if (sort__need_collapse || threaded)
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root = &hists->entries_collapsed;
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else
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root = hists->entries_in;
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next = rb_first(root);
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hists->entries = RB_ROOT;
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hists->nr_entries = 0;
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hists->stats.total_period = 0;
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hists__reset_col_len(hists);
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while (next) {
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n = rb_entry(next, struct hist_entry, rb_node_in);
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next = rb_next(&n->rb_node_in);
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__hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
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hists__inc_nr_entries(hists, n);
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}
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}
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void hists__output_resort(struct hists *hists)
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{
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return __hists__output_resort(hists, false);
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}
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void hists__output_resort_threaded(struct hists *hists)
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{
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return __hists__output_resort(hists, true);
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}
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static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
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{
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int i;
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int ret = fprintf(fp, " ");
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for (i = 0; i < left_margin; i++)
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ret += fprintf(fp, " ");
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return ret;
|
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}
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|
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static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
|
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int left_margin)
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{
|
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int i;
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size_t ret = callchain__fprintf_left_margin(fp, left_margin);
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for (i = 0; i < depth; i++)
|
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if (depth_mask & (1 << i))
|
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ret += fprintf(fp, "| ");
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else
|
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ret += fprintf(fp, " ");
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ret += fprintf(fp, "\n");
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|
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return ret;
|
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}
|
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|
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static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
|
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int depth, int depth_mask, int period,
|
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u64 total_samples, u64 hits,
|
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int left_margin)
|
|
{
|
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int i;
|
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size_t ret = 0;
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ret += callchain__fprintf_left_margin(fp, left_margin);
|
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for (i = 0; i < depth; i++) {
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if (depth_mask & (1 << i))
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ret += fprintf(fp, "|");
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else
|
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ret += fprintf(fp, " ");
|
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if (!period && i == depth - 1) {
|
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double percent;
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|
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percent = hits * 100.0 / total_samples;
|
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ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
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} else
|
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ret += fprintf(fp, "%s", " ");
|
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}
|
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if (chain->ms.sym)
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ret += fprintf(fp, "%s\n", chain->ms.sym->name);
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else
|
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ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
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|
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return ret;
|
|
}
|
|
|
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static struct symbol *rem_sq_bracket;
|
|
static struct callchain_list rem_hits;
|
|
|
|
static void init_rem_hits(void)
|
|
{
|
|
rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
|
|
if (!rem_sq_bracket) {
|
|
fprintf(stderr, "Not enough memory to display remaining hits\n");
|
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return;
|
|
}
|
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|
|
strcpy(rem_sq_bracket->name, "[...]");
|
|
rem_hits.ms.sym = rem_sq_bracket;
|
|
}
|
|
|
|
static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
|
|
u64 total_samples, int depth,
|
|
int depth_mask, int left_margin)
|
|
{
|
|
struct rb_node *node, *next;
|
|
struct callchain_node *child;
|
|
struct callchain_list *chain;
|
|
int new_depth_mask = depth_mask;
|
|
u64 new_total;
|
|
u64 remaining;
|
|
size_t ret = 0;
|
|
int i;
|
|
uint entries_printed = 0;
|
|
|
|
if (callchain_param.mode == CHAIN_GRAPH_REL)
|
|
new_total = self->children_hit;
|
|
else
|
|
new_total = total_samples;
|
|
|
|
remaining = new_total;
|
|
|
|
node = rb_first(&self->rb_root);
|
|
while (node) {
|
|
u64 cumul;
|
|
|
|
child = rb_entry(node, struct callchain_node, rb_node);
|
|
cumul = callchain_cumul_hits(child);
|
|
remaining -= cumul;
|
|
|
|
/*
|
|
* The depth mask manages the output of pipes that show
|
|
* the depth. We don't want to keep the pipes of the current
|
|
* level for the last child of this depth.
|
|
* Except if we have remaining filtered hits. They will
|
|
* supersede the last child
|
|
*/
|
|
next = rb_next(node);
|
|
if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
|
|
new_depth_mask &= ~(1 << (depth - 1));
|
|
|
|
/*
|
|
* But we keep the older depth mask for the line separator
|
|
* to keep the level link until we reach the last child
|
|
*/
|
|
ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
|
|
left_margin);
|
|
i = 0;
|
|
list_for_each_entry(chain, &child->val, list) {
|
|
ret += ipchain__fprintf_graph(fp, chain, depth,
|
|
new_depth_mask, i++,
|
|
new_total,
|
|
cumul,
|
|
left_margin);
|
|
}
|
|
ret += __callchain__fprintf_graph(fp, child, new_total,
|
|
depth + 1,
|
|
new_depth_mask | (1 << depth),
|
|
left_margin);
|
|
node = next;
|
|
if (++entries_printed == callchain_param.print_limit)
|
|
break;
|
|
}
|
|
|
|
if (callchain_param.mode == CHAIN_GRAPH_REL &&
|
|
remaining && remaining != new_total) {
|
|
|
|
if (!rem_sq_bracket)
|
|
return ret;
|
|
|
|
new_depth_mask &= ~(1 << (depth - 1));
|
|
|
|
ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
|
|
new_depth_mask, 0, new_total,
|
|
remaining, left_margin);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static size_t callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
|
|
u64 total_samples, int left_margin)
|
|
{
|
|
struct callchain_list *chain;
|
|
bool printed = false;
|
|
int i = 0;
|
|
int ret = 0;
|
|
u32 entries_printed = 0;
|
|
|
|
list_for_each_entry(chain, &self->val, list) {
|
|
if (!i++ && sort__first_dimension == SORT_SYM)
|
|
continue;
|
|
|
|
if (!printed) {
|
|
ret += callchain__fprintf_left_margin(fp, left_margin);
|
|
ret += fprintf(fp, "|\n");
|
|
ret += callchain__fprintf_left_margin(fp, left_margin);
|
|
ret += fprintf(fp, "---");
|
|
|
|
left_margin += 3;
|
|
printed = true;
|
|
} else
|
|
ret += callchain__fprintf_left_margin(fp, left_margin);
|
|
|
|
if (chain->ms.sym)
|
|
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
|
|
else
|
|
ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
|
|
|
|
if (++entries_printed == callchain_param.print_limit)
|
|
break;
|
|
}
|
|
|
|
ret += __callchain__fprintf_graph(fp, self, total_samples, 1, 1, left_margin);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static size_t callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
|
|
u64 total_samples)
|
|
{
|
|
struct callchain_list *chain;
|
|
size_t ret = 0;
|
|
|
|
if (!self)
|
|
return 0;
|
|
|
|
ret += callchain__fprintf_flat(fp, self->parent, total_samples);
|
|
|
|
|
|
list_for_each_entry(chain, &self->val, list) {
|
|
if (chain->ip >= PERF_CONTEXT_MAX)
|
|
continue;
|
|
if (chain->ms.sym)
|
|
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
|
|
else
|
|
ret += fprintf(fp, " %p\n",
|
|
(void *)(long)chain->ip);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
|
|
u64 total_samples, int left_margin)
|
|
{
|
|
struct rb_node *rb_node;
|
|
struct callchain_node *chain;
|
|
size_t ret = 0;
|
|
u32 entries_printed = 0;
|
|
|
|
rb_node = rb_first(&self->sorted_chain);
|
|
while (rb_node) {
|
|
double percent;
|
|
|
|
chain = rb_entry(rb_node, struct callchain_node, rb_node);
|
|
percent = chain->hit * 100.0 / total_samples;
|
|
switch (callchain_param.mode) {
|
|
case CHAIN_FLAT:
|
|
ret += percent_color_fprintf(fp, " %6.2f%%\n",
|
|
percent);
|
|
ret += callchain__fprintf_flat(fp, chain, total_samples);
|
|
break;
|
|
case CHAIN_GRAPH_ABS: /* Falldown */
|
|
case CHAIN_GRAPH_REL:
|
|
ret += callchain__fprintf_graph(fp, chain, total_samples,
|
|
left_margin);
|
|
case CHAIN_NONE:
|
|
default:
|
|
break;
|
|
}
|
|
ret += fprintf(fp, "\n");
|
|
if (++entries_printed == callchain_param.print_limit)
|
|
break;
|
|
rb_node = rb_next(rb_node);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void hists__output_recalc_col_len(struct hists *hists, int max_rows)
|
|
{
|
|
struct rb_node *next = rb_first(&hists->entries);
|
|
struct hist_entry *n;
|
|
int row = 0;
|
|
|
|
hists__reset_col_len(hists);
|
|
|
|
while (next && row++ < max_rows) {
|
|
n = rb_entry(next, struct hist_entry, rb_node);
|
|
if (!n->filtered)
|
|
hists__calc_col_len(hists, n);
|
|
next = rb_next(&n->rb_node);
|
|
}
|
|
}
|
|
|
|
static int hist_entry__pcnt_snprintf(struct hist_entry *self, char *s,
|
|
size_t size, struct hists *pair_hists,
|
|
bool show_displacement, long displacement,
|
|
bool color, u64 session_total)
|
|
{
|
|
u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
|
|
u64 nr_events;
|
|
const char *sep = symbol_conf.field_sep;
|
|
int ret;
|
|
|
|
if (symbol_conf.exclude_other && !self->parent)
|
|
return 0;
|
|
|
|
if (pair_hists) {
|
|
period = self->pair ? self->pair->period : 0;
|
|
nr_events = self->pair ? self->pair->nr_events : 0;
|
|
total = pair_hists->stats.total_period;
|
|
period_sys = self->pair ? self->pair->period_sys : 0;
|
|
period_us = self->pair ? self->pair->period_us : 0;
|
|
period_guest_sys = self->pair ? self->pair->period_guest_sys : 0;
|
|
period_guest_us = self->pair ? self->pair->period_guest_us : 0;
|
|
} else {
|
|
period = self->period;
|
|
nr_events = self->nr_events;
|
|
total = session_total;
|
|
period_sys = self->period_sys;
|
|
period_us = self->period_us;
|
|
period_guest_sys = self->period_guest_sys;
|
|
period_guest_us = self->period_guest_us;
|
|
}
|
|
|
|
if (total) {
|
|
if (color)
|
|
ret = percent_color_snprintf(s, size,
|
|
sep ? "%.2f" : " %6.2f%%",
|
|
(period * 100.0) / total);
|
|
else
|
|
ret = snprintf(s, size, sep ? "%.2f" : " %6.2f%%",
|
|
(period * 100.0) / total);
|
|
if (symbol_conf.show_cpu_utilization) {
|
|
ret += percent_color_snprintf(s + ret, size - ret,
|
|
sep ? "%.2f" : " %6.2f%%",
|
|
(period_sys * 100.0) / total);
|
|
ret += percent_color_snprintf(s + ret, size - ret,
|
|
sep ? "%.2f" : " %6.2f%%",
|
|
(period_us * 100.0) / total);
|
|
if (perf_guest) {
|
|
ret += percent_color_snprintf(s + ret,
|
|
size - ret,
|
|
sep ? "%.2f" : " %6.2f%%",
|
|
(period_guest_sys * 100.0) /
|
|
total);
|
|
ret += percent_color_snprintf(s + ret,
|
|
size - ret,
|
|
sep ? "%.2f" : " %6.2f%%",
|
|
(period_guest_us * 100.0) /
|
|
total);
|
|
}
|
|
}
|
|
} else
|
|
ret = snprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
|
|
|
|
if (symbol_conf.show_nr_samples) {
|
|
if (sep)
|
|
ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
|
|
else
|
|
ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
|
|
}
|
|
|
|
if (symbol_conf.show_total_period) {
|
|
if (sep)
|
|
ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
|
|
else
|
|
ret += snprintf(s + ret, size - ret, " %12" PRIu64, period);
|
|
}
|
|
|
|
if (pair_hists) {
|
|
char bf[32];
|
|
double old_percent = 0, new_percent = 0, diff;
|
|
|
|
if (total > 0)
|
|
old_percent = (period * 100.0) / total;
|
|
if (session_total > 0)
|
|
new_percent = (self->period * 100.0) / session_total;
|
|
|
|
diff = new_percent - old_percent;
|
|
|
|
if (fabs(diff) >= 0.01)
|
|
snprintf(bf, sizeof(bf), "%+4.2F%%", diff);
|
|
else
|
|
snprintf(bf, sizeof(bf), " ");
|
|
|
|
if (sep)
|
|
ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
|
|
else
|
|
ret += snprintf(s + ret, size - ret, "%11.11s", bf);
|
|
|
|
if (show_displacement) {
|
|
if (displacement)
|
|
snprintf(bf, sizeof(bf), "%+4ld", displacement);
|
|
else
|
|
snprintf(bf, sizeof(bf), " ");
|
|
|
|
if (sep)
|
|
ret += snprintf(s + ret, size - ret, "%c%s", *sep, bf);
|
|
else
|
|
ret += snprintf(s + ret, size - ret, "%6.6s", bf);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int hist_entry__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 += snprintf(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;
|
|
}
|
|
|
|
int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists,
|
|
struct hists *pair_hists, bool show_displacement,
|
|
long displacement, FILE *fp, u64 session_total)
|
|
{
|
|
char bf[512];
|
|
int ret;
|
|
|
|
if (size == 0 || size > sizeof(bf))
|
|
size = sizeof(bf);
|
|
|
|
ret = hist_entry__pcnt_snprintf(he, bf, size, pair_hists,
|
|
show_displacement, displacement,
|
|
true, session_total);
|
|
hist_entry__snprintf(he, bf + ret, size - ret, hists);
|
|
return fprintf(fp, "%s\n", bf);
|
|
}
|
|
|
|
static size_t hist_entry__fprintf_callchain(struct hist_entry *self,
|
|
struct hists *hists, FILE *fp,
|
|
u64 session_total)
|
|
{
|
|
int left_margin = 0;
|
|
|
|
if (sort__first_dimension == SORT_COMM) {
|
|
struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
|
|
typeof(*se), list);
|
|
left_margin = hists__col_len(hists, se->se_width_idx);
|
|
left_margin -= thread__comm_len(self->thread);
|
|
}
|
|
|
|
return hist_entry_callchain__fprintf(fp, self, session_total,
|
|
left_margin);
|
|
}
|
|
|
|
size_t hists__fprintf(struct hists *hists, struct hists *pair,
|
|
bool show_displacement, bool show_header, int max_rows,
|
|
int max_cols, FILE *fp)
|
|
{
|
|
struct sort_entry *se;
|
|
struct rb_node *nd;
|
|
size_t ret = 0;
|
|
unsigned long position = 1;
|
|
long displacement = 0;
|
|
unsigned int width;
|
|
const char *sep = symbol_conf.field_sep;
|
|
const char *col_width = symbol_conf.col_width_list_str;
|
|
int nr_rows = 0;
|
|
|
|
init_rem_hits();
|
|
|
|
if (!show_header)
|
|
goto print_entries;
|
|
|
|
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
|
|
|
|
if (symbol_conf.show_nr_samples) {
|
|
if (sep)
|
|
fprintf(fp, "%cSamples", *sep);
|
|
else
|
|
fputs(" Samples ", fp);
|
|
}
|
|
|
|
if (symbol_conf.show_total_period) {
|
|
if (sep)
|
|
ret += fprintf(fp, "%cPeriod", *sep);
|
|
else
|
|
ret += fprintf(fp, " Period ");
|
|
}
|
|
|
|
if (symbol_conf.show_cpu_utilization) {
|
|
if (sep) {
|
|
ret += fprintf(fp, "%csys", *sep);
|
|
ret += fprintf(fp, "%cus", *sep);
|
|
if (perf_guest) {
|
|
ret += fprintf(fp, "%cguest sys", *sep);
|
|
ret += fprintf(fp, "%cguest us", *sep);
|
|
}
|
|
} else {
|
|
ret += fprintf(fp, " sys ");
|
|
ret += fprintf(fp, " us ");
|
|
if (perf_guest) {
|
|
ret += fprintf(fp, " guest sys ");
|
|
ret += fprintf(fp, " guest us ");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pair) {
|
|
if (sep)
|
|
ret += fprintf(fp, "%cDelta", *sep);
|
|
else
|
|
ret += fprintf(fp, " Delta ");
|
|
|
|
if (show_displacement) {
|
|
if (sep)
|
|
ret += fprintf(fp, "%cDisplacement", *sep);
|
|
else
|
|
ret += fprintf(fp, " Displ");
|
|
}
|
|
}
|
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
if (se->elide)
|
|
continue;
|
|
if (sep) {
|
|
fprintf(fp, "%c%s", *sep, se->se_header);
|
|
continue;
|
|
}
|
|
width = strlen(se->se_header);
|
|
if (symbol_conf.col_width_list_str) {
|
|
if (col_width) {
|
|
hists__set_col_len(hists, se->se_width_idx,
|
|
atoi(col_width));
|
|
col_width = strchr(col_width, ',');
|
|
if (col_width)
|
|
++col_width;
|
|
}
|
|
}
|
|
if (!hists__new_col_len(hists, se->se_width_idx, width))
|
|
width = hists__col_len(hists, se->se_width_idx);
|
|
fprintf(fp, " %*s", width, se->se_header);
|
|
}
|
|
|
|
fprintf(fp, "\n");
|
|
if (max_rows && ++nr_rows >= max_rows)
|
|
goto out;
|
|
|
|
if (sep)
|
|
goto print_entries;
|
|
|
|
fprintf(fp, "# ........");
|
|
if (symbol_conf.show_nr_samples)
|
|
fprintf(fp, " ..........");
|
|
if (symbol_conf.show_total_period)
|
|
fprintf(fp, " ............");
|
|
if (pair) {
|
|
fprintf(fp, " ..........");
|
|
if (show_displacement)
|
|
fprintf(fp, " .....");
|
|
}
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
unsigned int i;
|
|
|
|
if (se->elide)
|
|
continue;
|
|
|
|
fprintf(fp, " ");
|
|
width = hists__col_len(hists, se->se_width_idx);
|
|
if (width == 0)
|
|
width = strlen(se->se_header);
|
|
for (i = 0; i < width; i++)
|
|
fprintf(fp, ".");
|
|
}
|
|
|
|
fprintf(fp, "\n");
|
|
if (max_rows && ++nr_rows >= max_rows)
|
|
goto out;
|
|
|
|
fprintf(fp, "#\n");
|
|
if (max_rows && ++nr_rows >= max_rows)
|
|
goto out;
|
|
|
|
print_entries:
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (h->filtered)
|
|
continue;
|
|
|
|
if (show_displacement) {
|
|
if (h->pair != NULL)
|
|
displacement = ((long)h->pair->position -
|
|
(long)position);
|
|
else
|
|
displacement = 0;
|
|
++position;
|
|
}
|
|
ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
|
|
displacement, fp, hists->stats.total_period);
|
|
|
|
if (symbol_conf.use_callchain)
|
|
ret += hist_entry__fprintf_callchain(h, hists, fp,
|
|
hists->stats.total_period);
|
|
if (max_rows && ++nr_rows >= max_rows)
|
|
goto out;
|
|
|
|
if (h->ms.map == NULL && verbose > 1) {
|
|
__map_groups__fprintf_maps(&h->thread->mg,
|
|
MAP__FUNCTION, verbose, fp);
|
|
fprintf(fp, "%.10s end\n", graph_dotted_line);
|
|
}
|
|
}
|
|
out:
|
|
free(rem_sq_bracket);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* See hists__fprintf to match the column widths
|
|
*/
|
|
unsigned int hists__sort_list_width(struct hists *hists)
|
|
{
|
|
struct sort_entry *se;
|
|
int ret = 9; /* total % */
|
|
|
|
if (symbol_conf.show_cpu_utilization) {
|
|
ret += 7; /* count_sys % */
|
|
ret += 6; /* count_us % */
|
|
if (perf_guest) {
|
|
ret += 13; /* count_guest_sys % */
|
|
ret += 12; /* count_guest_us % */
|
|
}
|
|
}
|
|
|
|
if (symbol_conf.show_nr_samples)
|
|
ret += 11;
|
|
|
|
if (symbol_conf.show_total_period)
|
|
ret += 13;
|
|
|
|
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;
|
|
}
|
|
|
|
static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
|
|
enum hist_filter filter)
|
|
{
|
|
h->filtered &= ~(1 << filter);
|
|
if (h->filtered)
|
|
return;
|
|
|
|
++hists->nr_entries;
|
|
if (h->ms.unfolded)
|
|
hists->nr_entries += h->nr_rows;
|
|
h->row_offset = 0;
|
|
hists->stats.total_period += h->period;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->nr_events;
|
|
|
|
hists__calc_col_len(hists, h);
|
|
}
|
|
|
|
|
|
static bool hists__filter_entry_by_dso(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
if (hists->dso_filter != NULL &&
|
|
(he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) {
|
|
he->filtered |= (1 << HIST_FILTER__DSO);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void hists__filter_by_dso(struct hists *hists)
|
|
{
|
|
struct rb_node *nd;
|
|
|
|
hists->nr_entries = hists->stats.total_period = 0;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (symbol_conf.exclude_other && !h->parent)
|
|
continue;
|
|
|
|
if (hists__filter_entry_by_dso(hists, h))
|
|
continue;
|
|
|
|
hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
|
|
}
|
|
}
|
|
|
|
static bool hists__filter_entry_by_thread(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
if (hists->thread_filter != NULL &&
|
|
he->thread != hists->thread_filter) {
|
|
he->filtered |= (1 << HIST_FILTER__THREAD);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void hists__filter_by_thread(struct hists *hists)
|
|
{
|
|
struct rb_node *nd;
|
|
|
|
hists->nr_entries = hists->stats.total_period = 0;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (hists__filter_entry_by_thread(hists, h))
|
|
continue;
|
|
|
|
hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
|
|
}
|
|
}
|
|
|
|
int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
|
|
{
|
|
return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
|
|
}
|
|
|
|
int hist_entry__annotate(struct hist_entry *he, size_t privsize)
|
|
{
|
|
return symbol__annotate(he->ms.sym, he->ms.map, privsize);
|
|
}
|
|
|
|
void hists__inc_nr_events(struct hists *hists, u32 type)
|
|
{
|
|
++hists->stats.nr_events[0];
|
|
++hists->stats.nr_events[type];
|
|
}
|
|
|
|
size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
|
|
{
|
|
int i;
|
|
size_t ret = 0;
|
|
|
|
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
|
|
const char *name;
|
|
|
|
if (hists->stats.nr_events[i] == 0)
|
|
continue;
|
|
|
|
name = perf_event__name(i);
|
|
if (!strcmp(name, "UNKNOWN"))
|
|
continue;
|
|
|
|
ret += fprintf(fp, "%16s events: %10d\n", name,
|
|
hists->stats.nr_events[i]);
|
|
}
|
|
|
|
return ret;
|
|
}
|