John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 1 | #include "sort.h" |
| 2 | |
| 3 | regex_t parent_regex; |
| 4 | char default_parent_pattern[] = "^sys_|^do_page_fault"; |
| 5 | char *parent_pattern = default_parent_pattern; |
| 6 | char default_sort_order[] = "comm,dso,symbol"; |
| 7 | char *sort_order = default_sort_order; |
| 8 | int sort__need_collapse = 0; |
| 9 | int sort__has_parent = 0; |
| 10 | |
| 11 | unsigned int dsos__col_width; |
| 12 | unsigned int comms__col_width; |
| 13 | unsigned int threads__col_width; |
| 14 | static unsigned int parent_symbol__col_width; |
| 15 | char * field_sep; |
| 16 | |
| 17 | LIST_HEAD(hist_entry__sort_list); |
| 18 | |
| 19 | struct sort_entry sort_thread = { |
| 20 | .header = "Command: Pid", |
| 21 | .cmp = sort__thread_cmp, |
| 22 | .print = sort__thread_print, |
| 23 | .width = &threads__col_width, |
| 24 | }; |
| 25 | |
| 26 | struct sort_entry sort_comm = { |
| 27 | .header = "Command", |
| 28 | .cmp = sort__comm_cmp, |
| 29 | .collapse = sort__comm_collapse, |
| 30 | .print = sort__comm_print, |
| 31 | .width = &comms__col_width, |
| 32 | }; |
| 33 | |
| 34 | struct sort_entry sort_dso = { |
| 35 | .header = "Shared Object", |
| 36 | .cmp = sort__dso_cmp, |
| 37 | .print = sort__dso_print, |
| 38 | .width = &dsos__col_width, |
| 39 | }; |
| 40 | |
| 41 | struct sort_entry sort_sym = { |
| 42 | .header = "Symbol", |
| 43 | .cmp = sort__sym_cmp, |
| 44 | .print = sort__sym_print, |
| 45 | }; |
| 46 | |
| 47 | struct sort_entry sort_parent = { |
| 48 | .header = "Parent symbol", |
| 49 | .cmp = sort__parent_cmp, |
| 50 | .print = sort__parent_print, |
| 51 | .width = &parent_symbol__col_width, |
| 52 | }; |
| 53 | |
| 54 | struct sort_dimension { |
| 55 | const char *name; |
| 56 | struct sort_entry *entry; |
| 57 | int taken; |
| 58 | }; |
| 59 | |
| 60 | static struct sort_dimension sort_dimensions[] = { |
| 61 | { .name = "pid", .entry = &sort_thread, }, |
| 62 | { .name = "comm", .entry = &sort_comm, }, |
| 63 | { .name = "dso", .entry = &sort_dso, }, |
| 64 | { .name = "symbol", .entry = &sort_sym, }, |
| 65 | { .name = "parent", .entry = &sort_parent, }, |
| 66 | }; |
| 67 | |
| 68 | int64_t cmp_null(void *l, void *r) |
| 69 | { |
| 70 | if (!l && !r) |
| 71 | return 0; |
| 72 | else if (!l) |
| 73 | return -1; |
| 74 | else |
| 75 | return 1; |
| 76 | } |
| 77 | |
| 78 | /* --sort pid */ |
| 79 | |
| 80 | int64_t |
| 81 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
| 82 | { |
| 83 | return right->thread->pid - left->thread->pid; |
| 84 | } |
| 85 | |
| 86 | int repsep_fprintf(FILE *fp, const char *fmt, ...) |
| 87 | { |
| 88 | int n; |
| 89 | va_list ap; |
| 90 | |
| 91 | va_start(ap, fmt); |
| 92 | if (!field_sep) |
| 93 | n = vfprintf(fp, fmt, ap); |
| 94 | else { |
| 95 | char *bf = NULL; |
| 96 | n = vasprintf(&bf, fmt, ap); |
| 97 | if (n > 0) { |
| 98 | char *sep = bf; |
| 99 | |
| 100 | while (1) { |
| 101 | sep = strchr(sep, *field_sep); |
| 102 | if (sep == NULL) |
| 103 | break; |
| 104 | *sep = '.'; |
| 105 | } |
| 106 | } |
| 107 | fputs(bf, fp); |
| 108 | free(bf); |
| 109 | } |
| 110 | va_end(ap); |
| 111 | return n; |
| 112 | } |
| 113 | |
| 114 | size_t |
| 115 | sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width) |
| 116 | { |
| 117 | return repsep_fprintf(fp, "%*s:%5d", width - 6, |
| 118 | self->thread->comm ?: "", self->thread->pid); |
| 119 | } |
| 120 | |
| 121 | size_t |
| 122 | sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width) |
| 123 | { |
| 124 | return repsep_fprintf(fp, "%*s", width, self->thread->comm); |
| 125 | } |
| 126 | |
| 127 | /* --sort dso */ |
| 128 | |
| 129 | int64_t |
| 130 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) |
| 131 | { |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 132 | struct dso *dso_l = left->map ? left->map->dso : NULL; |
| 133 | struct dso *dso_r = right->map ? right->map->dso : NULL; |
| 134 | const char *dso_name_l, *dso_name_r; |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 135 | |
| 136 | if (!dso_l || !dso_r) |
| 137 | return cmp_null(dso_l, dso_r); |
| 138 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 139 | if (verbose) { |
| 140 | dso_name_l = dso_l->long_name; |
| 141 | dso_name_r = dso_r->long_name; |
| 142 | } else { |
| 143 | dso_name_l = dso_l->short_name; |
| 144 | dso_name_r = dso_r->short_name; |
| 145 | } |
| 146 | |
| 147 | return strcmp(dso_name_l, dso_name_r); |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | size_t |
| 151 | sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width) |
| 152 | { |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 153 | if (self->map && self->map->dso) { |
| 154 | const char *dso_name = !verbose ? self->map->dso->short_name : |
| 155 | self->map->dso->long_name; |
| 156 | return repsep_fprintf(fp, "%-*s", width, dso_name); |
| 157 | } |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 158 | |
| 159 | return repsep_fprintf(fp, "%*llx", width, (u64)self->ip); |
| 160 | } |
| 161 | |
| 162 | /* --sort symbol */ |
| 163 | |
| 164 | int64_t |
| 165 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) |
| 166 | { |
| 167 | u64 ip_l, ip_r; |
| 168 | |
| 169 | if (left->sym == right->sym) |
| 170 | return 0; |
| 171 | |
| 172 | ip_l = left->sym ? left->sym->start : left->ip; |
| 173 | ip_r = right->sym ? right->sym->start : right->ip; |
| 174 | |
| 175 | return (int64_t)(ip_r - ip_l); |
| 176 | } |
| 177 | |
| 178 | |
| 179 | size_t |
| 180 | sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used) |
| 181 | { |
| 182 | size_t ret = 0; |
| 183 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 184 | if (verbose) { |
| 185 | char o = self->map ? dso__symtab_origin(self->map->dso) : '!'; |
| 186 | ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip, o); |
| 187 | } |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 188 | |
| 189 | ret += repsep_fprintf(fp, "[%c] ", self->level); |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 190 | if (self->sym) |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 191 | ret += repsep_fprintf(fp, "%s", self->sym->name); |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 192 | else |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 193 | ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip); |
John Kacur | dd68ada | 2009-09-24 18:02:49 +0200 | [diff] [blame] | 194 | |
| 195 | return ret; |
| 196 | } |
| 197 | |
| 198 | /* --sort comm */ |
| 199 | |
| 200 | int64_t |
| 201 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) |
| 202 | { |
| 203 | return right->thread->pid - left->thread->pid; |
| 204 | } |
| 205 | |
| 206 | int64_t |
| 207 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) |
| 208 | { |
| 209 | char *comm_l = left->thread->comm; |
| 210 | char *comm_r = right->thread->comm; |
| 211 | |
| 212 | if (!comm_l || !comm_r) |
| 213 | return cmp_null(comm_l, comm_r); |
| 214 | |
| 215 | return strcmp(comm_l, comm_r); |
| 216 | } |
| 217 | |
| 218 | /* --sort parent */ |
| 219 | |
| 220 | int64_t |
| 221 | sort__parent_cmp(struct hist_entry *left, struct hist_entry *right) |
| 222 | { |
| 223 | struct symbol *sym_l = left->parent; |
| 224 | struct symbol *sym_r = right->parent; |
| 225 | |
| 226 | if (!sym_l || !sym_r) |
| 227 | return cmp_null(sym_l, sym_r); |
| 228 | |
| 229 | return strcmp(sym_l->name, sym_r->name); |
| 230 | } |
| 231 | |
| 232 | size_t |
| 233 | sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width) |
| 234 | { |
| 235 | return repsep_fprintf(fp, "%-*s", width, |
| 236 | self->parent ? self->parent->name : "[other]"); |
| 237 | } |
| 238 | |
| 239 | int sort_dimension__add(const char *tok) |
| 240 | { |
| 241 | unsigned int i; |
| 242 | |
| 243 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { |
| 244 | struct sort_dimension *sd = &sort_dimensions[i]; |
| 245 | |
| 246 | if (sd->taken) |
| 247 | continue; |
| 248 | |
| 249 | if (strncasecmp(tok, sd->name, strlen(tok))) |
| 250 | continue; |
| 251 | |
| 252 | if (sd->entry->collapse) |
| 253 | sort__need_collapse = 1; |
| 254 | |
| 255 | if (sd->entry == &sort_parent) { |
| 256 | int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); |
| 257 | if (ret) { |
| 258 | char err[BUFSIZ]; |
| 259 | |
| 260 | regerror(ret, &parent_regex, err, sizeof(err)); |
| 261 | fprintf(stderr, "Invalid regex: %s\n%s", |
| 262 | parent_pattern, err); |
| 263 | exit(-1); |
| 264 | } |
| 265 | sort__has_parent = 1; |
| 266 | } |
| 267 | |
| 268 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
| 269 | sd->taken = 1; |
| 270 | |
| 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | return -ESRCH; |
| 275 | } |
| 276 | |