diff options
| -rw-r--r-- | tools/perf/builtin-report.c | 82 |
1 files changed, 71 insertions, 11 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 28d1cb2127e..ed391db9e0f 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -15,6 +15,7 @@ #include "util/rbtree.h" #include "util/symbol.h" #include "util/string.h" +#include "util/callchain.h" #include "perf.h" #include "util/header.h" @@ -52,6 +53,7 @@ static char *parent_pattern = default_parent_pattern; static regex_t parent_regex; static int exclude_other = 1; +static int callchain; static u64 sample_type; @@ -488,17 +490,19 @@ static size_t threads__fprintf(FILE *fp) static struct rb_root hist; struct hist_entry { - struct rb_node rb_node; - - struct thread *thread; - struct map *map; - struct dso *dso; - struct symbol *sym; - struct symbol *parent; - u64 ip; - char level; - - u64 count; + struct rb_node rb_node; + + struct thread *thread; + struct map *map; + struct dso *dso; + struct symbol *sym; + struct symbol *parent; + u64 ip; + char level; + struct callchain_node callchain; + struct rb_root sorted_chain; + + u64 count; }; /* @@ -769,6 +773,48 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) } static size_t +callchain__fprintf(FILE *fp, struct callchain_node *self, u64 total_samples) +{ + struct callchain_list *chain; + size_t ret = 0; + + if (!self) + return 0; + + ret += callchain__fprintf(fp, self->parent, total_samples); + + + list_for_each_entry(chain, &self->val, list) + ret += fprintf(fp, " %p\n", (void *)chain->ip); + + return ret; +} + +static size_t +hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self, + u64 total_samples) +{ + 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; + ret += fprintf(fp, " %6.2f%%\n", percent); + ret += callchain__fprintf(fp, chain, total_samples); + ret += fprintf(fp, "\n"); + rb_node = rb_next(rb_node); + } + + return ret; +} + + +static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) { struct sort_entry *se; @@ -808,6 +854,9 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples) ret += fprintf(fp, "\n"); + if (callchain) + hist_entry_callchain__fprintf(fp, self, total_samples); + return ret; } @@ -892,6 +941,7 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, .level = level, .count = count, .parent = NULL, + .sorted_chain = RB_ROOT }; int cmp; @@ -934,6 +984,8 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, if (!cmp) { he->count += count; + if (callchain) + append_chain(&he->callchain, chain); return 0; } @@ -947,6 +999,10 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, if (!he) return -ENOMEM; *he = entry; + if (callchain) { + callchain_init(&he->callchain); + append_chain(&he->callchain, chain); + } rb_link_node(&he->rb_node, parent, p); rb_insert_color(&he->rb_node, &hist); @@ -1023,6 +1079,9 @@ static void output__insert_entry(struct hist_entry *he) struct rb_node *parent = NULL; struct hist_entry *iter; + if (callchain) + sort_chain_to_rbtree(&he->sorted_chain, &he->callchain); + while (*p != NULL) { parent = *p; iter = rb_entry(parent, struct hist_entry, rb_node); @@ -1599,6 +1658,7 @@ static const struct option options[] = { "regex filter to identify parent, see: '--sort parent'"), OPT_BOOLEAN('x', "exclude-other", &exclude_other, "Only display entries with parent-match"), + OPT_BOOLEAN('c', "callchain", &callchain, "Display callchains"), OPT_END() }; |