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-rw-r--r--tools/perf/util/hist.c721
1 files changed, 26 insertions, 695 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f247ef2789a..236bc9d98ff 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -45,7 +45,7 @@ bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
return false;
}
-static void hists__reset_col_len(struct hists *hists)
+void hists__reset_col_len(struct hists *hists)
{
enum hist_column col;
@@ -63,7 +63,7 @@ static void hists__set_unres_dso_col_len(struct hists *hists, int dso)
hists__set_col_len(hists, dso, unresolved_col_width);
}
-static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
+void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
{
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
u16 len;
@@ -114,6 +114,22 @@ static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
}
}
+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 void hist_entry__add_cpumode_period(struct hist_entry *he,
unsigned int cpumode, u64 period)
{
@@ -378,7 +394,7 @@ void hist_entry__free(struct hist_entry *he)
* collapse the histogram
*/
-static bool hists__collapse_insert_entry(struct hists *hists __used,
+static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
struct rb_root *root,
struct hist_entry *he)
{
@@ -394,8 +410,13 @@ static bool hists__collapse_insert_entry(struct hists *hists __used,
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
- iter->period += he->period;
- iter->nr_events += he->nr_events;
+ iter->period += he->period;
+ iter->period_sys += he->period_sys;
+ iter->period_us += he->period_us;
+ iter->period_guest_sys += he->period_guest_sys;
+ iter->period_guest_us += he->period_guest_us;
+ iter->nr_events += he->nr_events;
+
if (symbol_conf.use_callchain) {
callchain_cursor_reset(&callchain_cursor);
callchain_merge(&callchain_cursor,
@@ -547,674 +568,6 @@ void hists__output_resort_threaded(struct hists *hists)
return __hists__output_resort(hists, true);
}
-static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
-{
- int i;
- int ret = fprintf(fp, " ");
-
- for (i = 0; i < left_margin; i++)
- ret += fprintf(fp, " ");
-
- return ret;
-}
-
-static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
- int left_margin)
-{
- int i;
- size_t ret = callchain__fprintf_left_margin(fp, left_margin);
-
- for (i = 0; i < depth; i++)
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "| ");
- else
- ret += fprintf(fp, " ");
-
- ret += fprintf(fp, "\n");
-
- return ret;
-}
-
-static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
- int depth, int depth_mask, int period,
- u64 total_samples, u64 hits,
- int left_margin)
-{
- int i;
- size_t ret = 0;
-
- ret += callchain__fprintf_left_margin(fp, left_margin);
- for (i = 0; i < depth; i++) {
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "|");
- else
- ret += fprintf(fp, " ");
- if (!period && i == depth - 1) {
- double percent;
-
- percent = hits * 100.0 / total_samples;
- ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
- } else
- ret += fprintf(fp, "%s", " ");
- }
- if (chain->ms.sym)
- ret += fprintf(fp, "%s\n", chain->ms.sym->name);
- else
- ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
-
- return ret;
-}
-
-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");
- return;
- }
-
- strcpy(rem_sq_bracket->name, "[...]");
- rem_hits.ms.sym = rem_sq_bracket;
-}
-
-static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
- 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 remaining;
- size_t ret = 0;
- int i;
- uint entries_printed = 0;
-
- remaining = total_samples;
-
- node = rb_first(root);
- while (node) {
- u64 new_total;
- 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++,
- total_samples,
- cumul,
- left_margin);
- }
-
- if (callchain_param.mode == CHAIN_GRAPH_REL)
- new_total = child->children_hit;
- else
- new_total = total_samples;
-
- ret += __callchain__fprintf_graph(fp, &child->rb_root, 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 != total_samples) {
-
- if (!rem_sq_bracket)
- return ret;
-
- new_depth_mask &= ~(1 << (depth - 1));
- ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
- new_depth_mask, 0, total_samples,
- remaining, left_margin);
- }
-
- return ret;
-}
-
-static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
- u64 total_samples, int left_margin)
-{
- struct callchain_node *cnode;
- struct callchain_list *chain;
- u32 entries_printed = 0;
- bool printed = false;
- struct rb_node *node;
- int i = 0;
- int ret = 0;
-
- /*
- * If have one single callchain root, don't bother printing
- * its percentage (100 % in fractal mode and the same percentage
- * than the hist in graph mode). This also avoid one level of column.
- */
- node = rb_first(root);
- if (node && !rb_next(node)) {
- cnode = rb_entry(node, struct callchain_node, rb_node);
- list_for_each_entry(chain, &cnode->val, list) {
- /*
- * If we sort by symbol, the first entry is the same than
- * the symbol. No need to print it otherwise it appears as
- * displayed twice.
- */
- 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;
- }
- root = &cnode->rb_root;
- }
-
- ret += __callchain__fprintf_graph(fp, root, total_samples,
- 1, 1, left_margin);
- ret += fprintf(fp, "\n");
-
- 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 callchain__fprintf_flat(FILE *fp, struct rb_root *self,
- u64 total_samples)
-{
- size_t ret = 0;
- u32 entries_printed = 0;
- struct rb_node *rb_node;
- struct callchain_node *chain;
-
- rb_node = rb_first(self);
- while (rb_node) {
- double percent;
-
- chain = rb_entry(rb_node, struct callchain_node, rb_node);
- percent = chain->hit * 100.0 / total_samples;
-
- ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
- ret += __callchain__fprintf_flat(fp, chain, total_samples);
- ret += fprintf(fp, "\n");
- if (++entries_printed == callchain_param.print_limit)
- break;
-
- rb_node = rb_next(rb_node);
- }
-
- return ret;
-}
-
-static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
- u64 total_samples, int left_margin,
- FILE *fp)
-{
- switch (callchain_param.mode) {
- case CHAIN_GRAPH_REL:
- return callchain__fprintf_graph(fp, &he->sorted_chain, he->period,
- left_margin);
- break;
- case CHAIN_GRAPH_ABS:
- return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
- left_margin);
- break;
- case CHAIN_FLAT:
- return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
- break;
- case CHAIN_NONE:
- break;
- default:
- pr_err("Bad callchain mode\n");
- }
-
- return 0;
-}
-
-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 *he, char *s,
- size_t size, struct hists *pair_hists,
- bool show_displacement, long displacement,
- bool color, u64 total_period)
-{
- 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 && !he->parent)
- return 0;
-
- if (pair_hists) {
- period = he->pair ? he->pair->period : 0;
- nr_events = he->pair ? he->pair->nr_events : 0;
- total = pair_hists->stats.total_period;
- period_sys = he->pair ? he->pair->period_sys : 0;
- period_us = he->pair ? he->pair->period_us : 0;
- period_guest_sys = he->pair ? he->pair->period_guest_sys : 0;
- period_guest_us = he->pair ? he->pair->period_guest_us : 0;
- } else {
- period = he->period;
- nr_events = he->nr_events;
- total = total_period;
- period_sys = he->period_sys;
- period_us = he->period_us;
- period_guest_sys = he->period_guest_sys;
- period_guest_us = he->period_guest_us;
- }
-
- if (total) {
- if (color)
- ret = percent_color_snprintf(s, size,
- sep ? "%.2f" : " %6.2f%%",
- (period * 100.0) / total);
- else
- ret = scnprintf(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 = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
-
- if (symbol_conf.show_nr_samples) {
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
- else
- ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
- }
-
- if (symbol_conf.show_total_period) {
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
- else
- ret += scnprintf(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 (total_period > 0)
- new_percent = (he->period * 100.0) / total_period;
-
- diff = new_percent - old_percent;
-
- if (fabs(diff) >= 0.01)
- scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
- else
- scnprintf(bf, sizeof(bf), " ");
-
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
- else
- ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
-
- if (show_displacement) {
- if (displacement)
- scnprintf(bf, sizeof(bf), "%+4ld", displacement);
- else
- scnprintf(bf, sizeof(bf), " ");
-
- if (sep)
- ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
- else
- ret += scnprintf(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 += 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;
-}
-
-static int hist_entry__fprintf(struct hist_entry *he, size_t size,
- struct hists *hists, struct hists *pair_hists,
- bool show_displacement, long displacement,
- u64 total_period, FILE *fp)
-{
- 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, total_period);
- 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 *he,
- struct hists *hists,
- u64 total_period, FILE *fp)
-{
- 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(he->thread);
- }
-
- return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
-}
-
-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;
- u64 total_period;
- 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_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 (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 (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_cpu_utilization)
- 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:
- total_period = hists->stats.total_period;
-
- 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, total_period, fp);
-
- if (symbol_conf.use_callchain)
- ret += hist_entry__fprintf_callchain(h, hists, total_period, fp);
- 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)
{
@@ -1342,25 +695,3 @@ 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;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-24 11:03:36 +0000