diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-report.c | 397 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 384 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 1 |
3 files changed, 385 insertions, 397 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 26f4de6..24d20e7 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -43,316 +43,6 @@ static char *pretty_printing_style = default_pretty_printing_style; static char callchain_default_opt[] = "fractal,0.5"; -static size_t -callchain__fprintf_left_margin(FILE *fp, int left_margin) -{ - int i; - int ret; - - 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 = 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, " "); - - ret += fprintf(fp, "\n"); - - return ret; -} -static size_t -ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth, - int depth_mask, int count, u64 total_samples, - int 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 (!count && 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->sym) - ret += fprintf(fp, "%s\n", chain->sym->name); - else - ret += fprintf(fp, "%p\n", (void *)(long)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.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; - - 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 = 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 seperator - * 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) { - if (chain->ip >= PERF_CONTEXT_MAX) - continue; - 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 (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; - - list_for_each_entry(chain, &self->val, list) { - if (chain->ip >= PERF_CONTEXT_MAX) - continue; - - 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->sym) - ret += fprintf(fp, " %s\n", chain->sym->name); - else - ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); - } - - 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->sym) - ret += fprintf(fp, " %s\n", chain->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; - - 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"); - rb_node = rb_next(rb_node); - } - - return ret; -} - -static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, - struct perf_session *session) -{ - struct sort_entry *se; - size_t ret; - - if (symbol_conf.exclude_other && !self->parent) - return 0; - - if (session->events_stats.total) - ret = percent_color_fprintf(fp, - symbol_conf.field_sep ? "%.2f" : " %6.2f%%", - (self->count * 100.0) / session->events_stats.total); - else - ret = fprintf(fp, symbol_conf.field_sep ? "%lld" : "%12lld ", self->count); - - if (symbol_conf.show_nr_samples) { - if (symbol_conf.field_sep) - fprintf(fp, "%c%lld", *symbol_conf.field_sep, self->count); - else - fprintf(fp, "%11lld", self->count); - } - - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; - - fprintf(fp, "%s", symbol_conf.field_sep ?: " "); - ret += se->print(fp, self, se->width ? *se->width : 0); - } - - ret += fprintf(fp, "\n"); - - if (symbol_conf.use_callchain) { - int left_margin = 0; - - if (sort__first_dimension == SORT_COMM) { - se = list_first_entry(&hist_entry__sort_list, typeof(*se), - list); - left_margin = se->width ? *se->width : 0; - left_margin -= thread__comm_len(self->thread); - } - - hist_entry_callchain__fprintf(fp, self, session->events_stats.total, - left_margin); - } - - return ret; -} - -/* - * collect histogram counts - */ - static int perf_session__add_hist_entry(struct perf_session *self, struct addr_location *al, struct ip_callchain *chain, u64 count) @@ -381,93 +71,6 @@ static int perf_session__add_hist_entry(struct perf_session *self, return 0; } -static size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp) -{ - struct hist_entry *pos; - struct sort_entry *se; - struct rb_node *nd; - size_t ret = 0; - unsigned int width; - char *col_width = symbol_conf.col_width_list_str; - - init_rem_hits(); - - fprintf(fp, "# Samples: %ld\n", self->events_stats.total); - fprintf(fp, "#\n"); - - fprintf(fp, "# Overhead"); - if (symbol_conf.show_nr_samples) { - if (symbol_conf.field_sep) - fprintf(fp, "%cSamples", *symbol_conf.field_sep); - else - fputs(" Samples ", fp); - } - list_for_each_entry(se, &hist_entry__sort_list, list) { - if (se->elide) - continue; - if (symbol_conf.field_sep) { - fprintf(fp, "%c%s", *symbol_conf.field_sep, se->header); - continue; - } - width = strlen(se->header); - if (se->width) { - if (symbol_conf.col_width_list_str) { - if (col_width) { - *se->width = atoi(col_width); - col_width = strchr(col_width, ','); - if (col_width) - ++col_width; - } - } - width = *se->width = max(*se->width, width); - } - fprintf(fp, " %*s", width, se->header); - } - fprintf(fp, "\n"); - - if (symbol_conf.field_sep) - goto print_entries; - - fprintf(fp, "# ........"); - if (symbol_conf.show_nr_samples) - fprintf(fp, " .........."); - list_for_each_entry(se, &hist_entry__sort_list, list) { - unsigned int i; - - if (se->elide) - continue; - - fprintf(fp, " "); - if (se->width) - width = *se->width; - else - width = strlen(se->header); - for (i = 0; i < width; i++) - fprintf(fp, "."); - } - fprintf(fp, "\n"); - - fprintf(fp, "#\n"); - -print_entries: - for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { - pos = rb_entry(nd, struct hist_entry, rb_node); - ret += hist_entry__fprintf(fp, pos, self); - } - - if (sort_order == default_sort_order && - parent_pattern == default_parent_pattern) { - fprintf(fp, "#\n"); - fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n"); - fprintf(fp, "#\n"); - } - fprintf(fp, "\n"); - - free(rem_sq_bracket); - - return ret; -} - static int validate_chain(struct ip_callchain *chain, event_t *event) { unsigned int chain_size; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index d9a5a193..270eb8f 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -206,3 +206,387 @@ void perf_session__output_resort(struct perf_session *self, u64 total_samples) self->hists = tmp; } + +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 count, + u64 total_samples, int 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 (!count && 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->sym) + ret += fprintf(fp, "%s\n", chain->sym->name); + else + ret += fprintf(fp, "%p\n", (void *)(long)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.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; + + 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 = 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 seperator + * 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) { + if (chain->ip >= PERF_CONTEXT_MAX) + continue; + 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 (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; + + list_for_each_entry(chain, &self->val, list) { + if (chain->ip >= PERF_CONTEXT_MAX) + continue; + + 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->sym) + ret += fprintf(fp, " %s\n", chain->sym->name); + else + ret += fprintf(fp, " %p\n", (void *)(long)chain->ip); + } + + 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->sym) + ret += fprintf(fp, " %s\n", chain->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; + + 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"); + rb_node = rb_next(rb_node); + } + + return ret; +} + +static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, + struct perf_session *session) +{ + struct sort_entry *se; + size_t ret; + + if (symbol_conf.exclude_other && !self->parent) + return 0; + + if (session->events_stats.total) + ret = percent_color_fprintf(fp, + symbol_conf.field_sep ? "%.2f" : " %6.2f%%", + (self->count * 100.0) / session->events_stats.total); + else + ret = fprintf(fp, symbol_conf.field_sep ? "%lld" : "%12lld ", self->count); + + if (symbol_conf.show_nr_samples) { + if (symbol_conf.field_sep) + fprintf(fp, "%c%lld", *symbol_conf.field_sep, self->count); + else + fprintf(fp, "%11lld", self->count); + } + + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (se->elide) + continue; + + fprintf(fp, "%s", symbol_conf.field_sep ?: " "); + ret += se->print(fp, self, se->width ? *se->width : 0); + } + + ret += fprintf(fp, "\n"); + + if (symbol_conf.use_callchain) { + int left_margin = 0; + + if (sort__first_dimension == SORT_COMM) { + se = list_first_entry(&hist_entry__sort_list, typeof(*se), + list); + left_margin = se->width ? *se->width : 0; + left_margin -= thread__comm_len(self->thread); + } + + hist_entry_callchain__fprintf(fp, self, session->events_stats.total, + left_margin); + } + + return ret; +} + +size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp) +{ + struct hist_entry *pos; + struct sort_entry *se; + struct rb_node *nd; + size_t ret = 0; + unsigned int width; + char *col_width = symbol_conf.col_width_list_str; + + init_rem_hits(); + + fprintf(fp, "# Samples: %ld\n", self->events_stats.total); + fprintf(fp, "#\n"); + + fprintf(fp, "# Overhead"); + if (symbol_conf.show_nr_samples) { + if (symbol_conf.field_sep) + fprintf(fp, "%cSamples", *symbol_conf.field_sep); + else + fputs(" Samples ", fp); + } + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (se->elide) + continue; + if (symbol_conf.field_sep) { + fprintf(fp, "%c%s", *symbol_conf.field_sep, se->header); + continue; + } + width = strlen(se->header); + if (se->width) { + if (symbol_conf.col_width_list_str) { + if (col_width) { + *se->width = atoi(col_width); + col_width = strchr(col_width, ','); + if (col_width) + ++col_width; + } + } + width = *se->width = max(*se->width, width); + } + fprintf(fp, " %*s", width, se->header); + } + fprintf(fp, "\n"); + + if (symbol_conf.field_sep) + goto print_entries; + + fprintf(fp, "# ........"); + if (symbol_conf.show_nr_samples) + fprintf(fp, " .........."); + list_for_each_entry(se, &hist_entry__sort_list, list) { + unsigned int i; + + if (se->elide) + continue; + + fprintf(fp, " "); + if (se->width) + width = *se->width; + else + width = strlen(se->header); + for (i = 0; i < width; i++) + fprintf(fp, "."); + } + fprintf(fp, "\n"); + + fprintf(fp, "#\n"); + +print_entries: + for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { + pos = rb_entry(nd, struct hist_entry, rb_node); + ret += hist_entry__fprintf(fp, pos, self); + } + + if (sort_order == default_sort_order && + parent_pattern == default_parent_pattern) { + fprintf(fp, "#\n"); + fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n"); + fprintf(fp, "#\n"); + } + fprintf(fp, "\n"); + + free(rem_sq_bracket); + + return ret; +} diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 7efdb1b..c7ac78d 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -21,5 +21,6 @@ void hist_entry__free(struct hist_entry *); void perf_session__output_resort(struct perf_session *self, u64 total_samples); void perf_session__collapse_resort(struct perf_session *self); +size_t perf_session__fprintf_hists(struct perf_session *self, FILE *fp); #endif /* __PERF_HIST_H */ |
