diff options
Diffstat (limited to 'tools/perf/util/sort.c')
-rw-r--r-- | tools/perf/util/sort.c | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index a41209e242ae..d78e680d3988 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -2153,8 +2153,10 @@ static void sort__type_init(struct hist_entry *he) return; he->mem_type = hist_entry__get_data_type(he); - if (he->mem_type == NULL) + if (he->mem_type == NULL) { he->mem_type = &unknown_type; + he->mem_type_off = 0; + } } static int64_t @@ -2198,6 +2200,84 @@ struct sort_entry sort_type = { .se_width_idx = HISTC_TYPE, }; +/* --sort typeoff */ + +static int64_t +sort__typeoff_sort(struct hist_entry *left, struct hist_entry *right) +{ + struct annotated_data_type *left_type = left->mem_type; + struct annotated_data_type *right_type = right->mem_type; + int64_t ret; + + if (!left_type) { + sort__type_init(left); + left_type = left->mem_type; + } + + if (!right_type) { + sort__type_init(right); + right_type = right->mem_type; + } + + ret = strcmp(left_type->self.type_name, right_type->self.type_name); + if (ret) + return ret; + return left->mem_type_off - right->mem_type_off; +} + +static void fill_member_name(char *buf, size_t sz, struct annotated_member *m, + int offset, bool first) +{ + struct annotated_member *child; + + if (list_empty(&m->children)) + return; + + list_for_each_entry(child, &m->children, node) { + if (child->offset <= offset && offset < child->offset + child->size) { + int len = 0; + + /* It can have anonymous struct/union members */ + if (child->var_name) { + len = scnprintf(buf, sz, "%s%s", + first ? "" : ".", child->var_name); + first = false; + } + + fill_member_name(buf + len, sz - len, child, offset, first); + return; + } + } +} + +static int hist_entry__typeoff_snprintf(struct hist_entry *he, char *bf, + size_t size, unsigned int width __maybe_unused) +{ + struct annotated_data_type *he_type = he->mem_type; + char buf[4096]; + + buf[0] = '\0'; + if (list_empty(&he_type->self.children)) + snprintf(buf, sizeof(buf), "no field"); + else + fill_member_name(buf, sizeof(buf), &he_type->self, + he->mem_type_off, true); + buf[4095] = '\0'; + + return repsep_snprintf(bf, size, "%s %+d (%s)", he_type->self.type_name, + he->mem_type_off, buf); +} + +struct sort_entry sort_type_offset = { + .se_header = "Data Type Offset", + .se_cmp = sort__type_cmp, + .se_collapse = sort__typeoff_sort, + .se_sort = sort__typeoff_sort, + .se_init = sort__type_init, + .se_snprintf = hist_entry__typeoff_snprintf, + .se_width_idx = HISTC_TYPE_OFFSET, +}; + struct sort_dimension { const char *name; @@ -2254,6 +2334,7 @@ static struct sort_dimension common_sort_dimensions[] = { DIM(SORT_GLOBAL_RETIRE_LAT, "retire_lat", sort_global_p_stage_cyc), DIM(SORT_SIMD, "simd", sort_simd), DIM(SORT_ANNOTATE_DATA_TYPE, "type", sort_type), + DIM(SORT_ANNOTATE_DATA_TYPE_OFFSET, "typeoff", sort_type_offset), }; #undef DIM |