Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1 | /* |
| 2 | * builtin-diff.c |
| 3 | * |
| 4 | * Builtin diff command: Analyze two perf.data input files, look up and read |
| 5 | * DSOs and symbol information, sort them and produce a diff. |
| 6 | */ |
| 7 | #include "builtin.h" |
| 8 | |
| 9 | #include "util/debug.h" |
| 10 | #include "util/event.h" |
| 11 | #include "util/hist.h" |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 12 | #include "util/evsel.h" |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 13 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 14 | #include "util/session.h" |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 15 | #include "util/tool.h" |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 16 | #include "util/sort.h" |
| 17 | #include "util/symbol.h" |
| 18 | #include "util/util.h" |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 19 | #include "util/data.h" |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 20 | |
| 21 | #include <stdlib.h> |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 22 | #include <math.h> |
| 23 | |
| 24 | /* Diff command specific HPP columns. */ |
| 25 | enum { |
| 26 | PERF_HPP_DIFF__BASELINE, |
| 27 | PERF_HPP_DIFF__PERIOD, |
| 28 | PERF_HPP_DIFF__PERIOD_BASELINE, |
| 29 | PERF_HPP_DIFF__DELTA, |
| 30 | PERF_HPP_DIFF__RATIO, |
| 31 | PERF_HPP_DIFF__WEIGHTED_DIFF, |
| 32 | PERF_HPP_DIFF__FORMULA, |
| 33 | |
| 34 | PERF_HPP_DIFF__MAX_INDEX |
| 35 | }; |
| 36 | |
| 37 | struct diff_hpp_fmt { |
| 38 | struct perf_hpp_fmt fmt; |
| 39 | int idx; |
| 40 | char *header; |
| 41 | int header_width; |
| 42 | }; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 43 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 44 | struct data__file { |
| 45 | struct perf_session *session; |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 46 | struct perf_data_file file; |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 47 | int idx; |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 48 | struct hists *hists; |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 49 | struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX]; |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | static struct data__file *data__files; |
| 53 | static int data__files_cnt; |
| 54 | |
| 55 | #define data__for_each_file_start(i, d, s) \ |
| 56 | for (i = s, d = &data__files[s]; \ |
| 57 | i < data__files_cnt; \ |
| 58 | i++, d = &data__files[i]) |
| 59 | |
| 60 | #define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 61 | #define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1) |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 62 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 63 | static bool force; |
Jiri Olsa | 61949b2 | 2012-10-05 16:44:44 +0200 | [diff] [blame] | 64 | static bool show_period; |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 65 | static bool show_formula; |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 66 | static bool show_baseline_only; |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 67 | static unsigned int sort_compute; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 68 | |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 69 | static s64 compute_wdiff_w1; |
| 70 | static s64 compute_wdiff_w2; |
| 71 | |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 72 | enum { |
| 73 | COMPUTE_DELTA, |
| 74 | COMPUTE_RATIO, |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 75 | COMPUTE_WEIGHTED_DIFF, |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 76 | COMPUTE_MAX, |
| 77 | }; |
| 78 | |
| 79 | const char *compute_names[COMPUTE_MAX] = { |
| 80 | [COMPUTE_DELTA] = "delta", |
| 81 | [COMPUTE_RATIO] = "ratio", |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 82 | [COMPUTE_WEIGHTED_DIFF] = "wdiff", |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 83 | }; |
| 84 | |
| 85 | static int compute; |
| 86 | |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 87 | static int compute_2_hpp[COMPUTE_MAX] = { |
| 88 | [COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA, |
| 89 | [COMPUTE_RATIO] = PERF_HPP_DIFF__RATIO, |
| 90 | [COMPUTE_WEIGHTED_DIFF] = PERF_HPP_DIFF__WEIGHTED_DIFF, |
| 91 | }; |
| 92 | |
| 93 | #define MAX_COL_WIDTH 70 |
| 94 | |
| 95 | static struct header_column { |
| 96 | const char *name; |
| 97 | int width; |
| 98 | } columns[PERF_HPP_DIFF__MAX_INDEX] = { |
| 99 | [PERF_HPP_DIFF__BASELINE] = { |
| 100 | .name = "Baseline", |
| 101 | }, |
| 102 | [PERF_HPP_DIFF__PERIOD] = { |
| 103 | .name = "Period", |
| 104 | .width = 14, |
| 105 | }, |
| 106 | [PERF_HPP_DIFF__PERIOD_BASELINE] = { |
| 107 | .name = "Base period", |
| 108 | .width = 14, |
| 109 | }, |
| 110 | [PERF_HPP_DIFF__DELTA] = { |
| 111 | .name = "Delta", |
| 112 | .width = 7, |
| 113 | }, |
| 114 | [PERF_HPP_DIFF__RATIO] = { |
| 115 | .name = "Ratio", |
| 116 | .width = 14, |
| 117 | }, |
| 118 | [PERF_HPP_DIFF__WEIGHTED_DIFF] = { |
| 119 | .name = "Weighted diff", |
| 120 | .width = 14, |
| 121 | }, |
| 122 | [PERF_HPP_DIFF__FORMULA] = { |
| 123 | .name = "Formula", |
| 124 | .width = MAX_COL_WIDTH, |
| 125 | } |
| 126 | }; |
| 127 | |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 128 | static int setup_compute_opt_wdiff(char *opt) |
| 129 | { |
| 130 | char *w1_str = opt; |
| 131 | char *w2_str; |
| 132 | |
| 133 | int ret = -EINVAL; |
| 134 | |
| 135 | if (!opt) |
| 136 | goto out; |
| 137 | |
| 138 | w2_str = strchr(opt, ','); |
| 139 | if (!w2_str) |
| 140 | goto out; |
| 141 | |
| 142 | *w2_str++ = 0x0; |
| 143 | if (!*w2_str) |
| 144 | goto out; |
| 145 | |
| 146 | compute_wdiff_w1 = strtol(w1_str, NULL, 10); |
| 147 | compute_wdiff_w2 = strtol(w2_str, NULL, 10); |
| 148 | |
| 149 | if (!compute_wdiff_w1 || !compute_wdiff_w2) |
| 150 | goto out; |
| 151 | |
| 152 | pr_debug("compute wdiff w1(%" PRId64 ") w2(%" PRId64 ")\n", |
| 153 | compute_wdiff_w1, compute_wdiff_w2); |
| 154 | |
| 155 | ret = 0; |
| 156 | |
| 157 | out: |
| 158 | if (ret) |
| 159 | pr_err("Failed: wrong weight data, use 'wdiff:w1,w2'\n"); |
| 160 | |
| 161 | return ret; |
| 162 | } |
| 163 | |
| 164 | static int setup_compute_opt(char *opt) |
| 165 | { |
| 166 | if (compute == COMPUTE_WEIGHTED_DIFF) |
| 167 | return setup_compute_opt_wdiff(opt); |
| 168 | |
| 169 | if (opt) { |
| 170 | pr_err("Failed: extra option specified '%s'", opt); |
| 171 | return -EINVAL; |
| 172 | } |
| 173 | |
| 174 | return 0; |
| 175 | } |
| 176 | |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 177 | static int setup_compute(const struct option *opt, const char *str, |
| 178 | int unset __maybe_unused) |
| 179 | { |
| 180 | int *cp = (int *) opt->value; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 181 | char *cstr = (char *) str; |
| 182 | char buf[50]; |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 183 | unsigned i; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 184 | char *option; |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 185 | |
| 186 | if (!str) { |
| 187 | *cp = COMPUTE_DELTA; |
| 188 | return 0; |
| 189 | } |
| 190 | |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 191 | option = strchr(str, ':'); |
| 192 | if (option) { |
| 193 | unsigned len = option++ - str; |
| 194 | |
| 195 | /* |
| 196 | * The str data are not writeable, so we need |
| 197 | * to use another buffer. |
| 198 | */ |
| 199 | |
| 200 | /* No option value is longer. */ |
| 201 | if (len >= sizeof(buf)) |
| 202 | return -EINVAL; |
| 203 | |
| 204 | strncpy(buf, str, len); |
| 205 | buf[len] = 0x0; |
| 206 | cstr = buf; |
| 207 | } |
| 208 | |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 209 | for (i = 0; i < COMPUTE_MAX; i++) |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 210 | if (!strcmp(cstr, compute_names[i])) { |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 211 | *cp = i; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 212 | return setup_compute_opt(option); |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | pr_err("Failed: '%s' is not computation method " |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 216 | "(use 'delta','ratio' or 'wdiff')\n", str); |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 217 | return -EINVAL; |
| 218 | } |
| 219 | |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 220 | static double period_percent(struct hist_entry *he, u64 period) |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 221 | { |
Namhyung Kim | 8810f6c | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 222 | u64 total = hists__total_period(he->hists); |
| 223 | |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 224 | return (period * 100.0) / total; |
| 225 | } |
| 226 | |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 227 | static double compute_delta(struct hist_entry *he, struct hist_entry *pair) |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 228 | { |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 229 | double old_percent = period_percent(he, he->stat.period); |
| 230 | double new_percent = period_percent(pair, pair->stat.period); |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 231 | |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 232 | pair->diff.period_ratio_delta = new_percent - old_percent; |
| 233 | pair->diff.computed = true; |
| 234 | return pair->diff.period_ratio_delta; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 235 | } |
| 236 | |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 237 | static double compute_ratio(struct hist_entry *he, struct hist_entry *pair) |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 238 | { |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 239 | double old_period = he->stat.period ?: 1; |
| 240 | double new_period = pair->stat.period; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 241 | |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 242 | pair->diff.computed = true; |
| 243 | pair->diff.period_ratio = new_period / old_period; |
| 244 | return pair->diff.period_ratio; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 245 | } |
| 246 | |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 247 | static s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair) |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 248 | { |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 249 | u64 old_period = he->stat.period; |
| 250 | u64 new_period = pair->stat.period; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 251 | |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 252 | pair->diff.computed = true; |
| 253 | pair->diff.wdiff = new_period * compute_wdiff_w2 - |
| 254 | old_period * compute_wdiff_w1; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 255 | |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 256 | return pair->diff.wdiff; |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 257 | } |
| 258 | |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 259 | static int formula_delta(struct hist_entry *he, struct hist_entry *pair, |
| 260 | char *buf, size_t size) |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 261 | { |
Namhyung Kim | 8810f6c | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 262 | u64 he_total = he->hists->stats.total_period; |
| 263 | u64 pair_total = pair->hists->stats.total_period; |
| 264 | |
| 265 | if (symbol_conf.filter_relative) { |
| 266 | he_total = he->hists->stats.total_non_filtered_period; |
| 267 | pair_total = pair->hists->stats.total_non_filtered_period; |
| 268 | } |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 269 | return scnprintf(buf, size, |
| 270 | "(%" PRIu64 " * 100 / %" PRIu64 ") - " |
| 271 | "(%" PRIu64 " * 100 / %" PRIu64 ")", |
Namhyung Kim | 8810f6c | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 272 | pair->stat.period, pair_total, |
| 273 | he->stat.period, he_total); |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 274 | } |
| 275 | |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 276 | static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, |
| 277 | char *buf, size_t size) |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 278 | { |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 279 | double old_period = he->stat.period; |
| 280 | double new_period = pair->stat.period; |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 281 | |
| 282 | return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); |
| 283 | } |
| 284 | |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 285 | static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, |
| 286 | char *buf, size_t size) |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 287 | { |
Jiri Olsa | 9af303e | 2012-12-01 21:15:40 +0100 | [diff] [blame] | 288 | u64 old_period = he->stat.period; |
| 289 | u64 new_period = pair->stat.period; |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 290 | |
| 291 | return scnprintf(buf, size, |
| 292 | "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", |
| 293 | new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); |
| 294 | } |
| 295 | |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 296 | static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair, |
| 297 | char *buf, size_t size) |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 298 | { |
| 299 | switch (compute) { |
| 300 | case COMPUTE_DELTA: |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 301 | return formula_delta(he, pair, buf, size); |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 302 | case COMPUTE_RATIO: |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 303 | return formula_ratio(he, pair, buf, size); |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 304 | case COMPUTE_WEIGHTED_DIFF: |
Jiri Olsa | f4c8bae | 2012-11-28 14:52:41 +0100 | [diff] [blame] | 305 | return formula_wdiff(he, pair, buf, size); |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 306 | default: |
| 307 | BUG_ON(1); |
| 308 | } |
| 309 | |
| 310 | return -1; |
| 311 | } |
| 312 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 313 | static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 314 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 315 | struct perf_sample *sample, |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 316 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 317 | struct machine *machine) |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 318 | { |
| 319 | struct addr_location al; |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 320 | struct hists *hists = evsel__hists(evsel); |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 321 | int ret = -1; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 322 | |
Arnaldo Carvalho de Melo | bb3eb56 | 2016-03-22 18:39:09 -0300 | [diff] [blame] | 323 | if (machine__resolve(machine, &al, sample) < 0) { |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 324 | pr_warning("problem processing %d event, skipping it.\n", |
| 325 | event->header.type); |
| 326 | return -1; |
| 327 | } |
| 328 | |
Jiri Olsa | 0102ef3 | 2016-06-14 20:19:21 +0200 | [diff] [blame] | 329 | if (!hists__add_entry(hists, &al, NULL, NULL, NULL, sample, true)) { |
Arnaldo Carvalho de Melo | c82ee82 | 2010-05-14 14:19:35 -0300 | [diff] [blame] | 330 | pr_warning("problem incrementing symbol period, skipping event\n"); |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 331 | goto out_put; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 332 | } |
| 333 | |
Namhyung Kim | 820bc81 | 2014-04-22 11:44:21 +0900 | [diff] [blame] | 334 | /* |
| 335 | * The total_period is updated here before going to the output |
| 336 | * tree since normally only the baseline hists will call |
| 337 | * hists__output_resort() and precompute needs the total |
| 338 | * period in order to sort entries by percentage delta. |
| 339 | */ |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 340 | hists->stats.total_period += sample->period; |
Namhyung Kim | 820bc81 | 2014-04-22 11:44:21 +0900 | [diff] [blame] | 341 | if (!al.filtered) |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 342 | hists->stats.total_non_filtered_period += sample->period; |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 343 | ret = 0; |
| 344 | out_put: |
| 345 | addr_location__put(&al); |
| 346 | return ret; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 347 | } |
| 348 | |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 349 | static struct perf_tool tool = { |
| 350 | .sample = diff__process_sample_event, |
| 351 | .mmap = perf_event__process_mmap, |
Kan Liang | 68ca9d6 | 2014-11-18 11:38:18 -0500 | [diff] [blame] | 352 | .mmap2 = perf_event__process_mmap2, |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 353 | .comm = perf_event__process_comm, |
Arnaldo Carvalho de Melo | f62d3f0 | 2012-10-06 15:44:59 -0300 | [diff] [blame] | 354 | .exit = perf_event__process_exit, |
| 355 | .fork = perf_event__process_fork, |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 356 | .lost = perf_event__process_lost, |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 357 | .ordered_events = true, |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 358 | .ordering_requires_timestamps = true, |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 359 | }; |
| 360 | |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 361 | static struct perf_evsel *evsel_match(struct perf_evsel *evsel, |
| 362 | struct perf_evlist *evlist) |
| 363 | { |
| 364 | struct perf_evsel *e; |
| 365 | |
Arnaldo Carvalho de Melo | e5cadb9 | 2016-06-23 11:26:15 -0300 | [diff] [blame] | 366 | evlist__for_each_entry(evlist, e) { |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 367 | if (perf_evsel__match2(evsel, e)) |
| 368 | return e; |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 369 | } |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 370 | |
| 371 | return NULL; |
| 372 | } |
| 373 | |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 374 | static void perf_evlist__collapse_resort(struct perf_evlist *evlist) |
Jiri Olsa | dd46434 | 2012-10-04 21:49:36 +0900 | [diff] [blame] | 375 | { |
| 376 | struct perf_evsel *evsel; |
| 377 | |
Arnaldo Carvalho de Melo | e5cadb9 | 2016-06-23 11:26:15 -0300 | [diff] [blame] | 378 | evlist__for_each_entry(evlist, evsel) { |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 379 | struct hists *hists = evsel__hists(evsel); |
Jiri Olsa | dd46434 | 2012-10-04 21:49:36 +0900 | [diff] [blame] | 380 | |
Namhyung Kim | c1fb565 | 2013-10-11 14:15:38 +0900 | [diff] [blame] | 381 | hists__collapse_resort(hists, NULL); |
Jiri Olsa | dd46434 | 2012-10-04 21:49:36 +0900 | [diff] [blame] | 382 | } |
| 383 | } |
| 384 | |
Namhyung Kim | ff21cef | 2015-01-08 09:45:45 +0900 | [diff] [blame] | 385 | static struct data__file *fmt_to_data_file(struct perf_hpp_fmt *fmt) |
| 386 | { |
| 387 | struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); |
| 388 | void *ptr = dfmt - dfmt->idx; |
| 389 | struct data__file *d = container_of(ptr, struct data__file, fmt); |
| 390 | |
| 391 | return d; |
| 392 | } |
| 393 | |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 394 | static struct hist_entry* |
| 395 | get_pair_data(struct hist_entry *he, struct data__file *d) |
| 396 | { |
| 397 | if (hist_entry__has_pairs(he)) { |
| 398 | struct hist_entry *pair; |
| 399 | |
| 400 | list_for_each_entry(pair, &he->pairs.head, pairs.node) |
| 401 | if (pair->hists == d->hists) |
| 402 | return pair; |
| 403 | } |
| 404 | |
| 405 | return NULL; |
| 406 | } |
| 407 | |
| 408 | static struct hist_entry* |
| 409 | get_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt) |
| 410 | { |
Namhyung Kim | ff21cef | 2015-01-08 09:45:45 +0900 | [diff] [blame] | 411 | struct data__file *d = fmt_to_data_file(&dfmt->fmt); |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 412 | |
| 413 | return get_pair_data(he, d); |
| 414 | } |
| 415 | |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 416 | static void hists__baseline_only(struct hists *hists) |
| 417 | { |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 418 | struct rb_root *root; |
| 419 | struct rb_node *next; |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 420 | |
Jiri Olsa | 5222503 | 2016-05-03 13:54:42 +0200 | [diff] [blame] | 421 | if (hists__has(hists, need_collapse)) |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 422 | root = &hists->entries_collapsed; |
| 423 | else |
| 424 | root = hists->entries_in; |
| 425 | |
| 426 | next = rb_first(root); |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 427 | while (next != NULL) { |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 428 | struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node_in); |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 429 | |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 430 | next = rb_next(&he->rb_node_in); |
Arnaldo Carvalho de Melo | b821c73 | 2012-10-25 14:42:45 -0200 | [diff] [blame] | 431 | if (!hist_entry__next_pair(he)) { |
Namhyung Kim | ce74f60 | 2012-12-10 17:29:55 +0900 | [diff] [blame] | 432 | rb_erase(&he->rb_node_in, root); |
Arnaldo Carvalho de Melo | 6733d1b | 2014-12-19 12:31:40 -0300 | [diff] [blame] | 433 | hist_entry__delete(he); |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 434 | } |
| 435 | } |
| 436 | } |
| 437 | |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 438 | static void hists__precompute(struct hists *hists) |
| 439 | { |
Jiri Olsa | 367c53c | 2012-12-13 14:08:59 +0100 | [diff] [blame] | 440 | struct rb_root *root; |
| 441 | struct rb_node *next; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 442 | |
Jiri Olsa | 5222503 | 2016-05-03 13:54:42 +0200 | [diff] [blame] | 443 | if (hists__has(hists, need_collapse)) |
Jiri Olsa | 367c53c | 2012-12-13 14:08:59 +0100 | [diff] [blame] | 444 | root = &hists->entries_collapsed; |
| 445 | else |
| 446 | root = hists->entries_in; |
| 447 | |
| 448 | next = rb_first(root); |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 449 | while (next != NULL) { |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 450 | struct hist_entry *he, *pair; |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 451 | struct data__file *d; |
| 452 | int i; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 453 | |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 454 | he = rb_entry(next, struct hist_entry, rb_node_in); |
Jiri Olsa | 367c53c | 2012-12-13 14:08:59 +0100 | [diff] [blame] | 455 | next = rb_next(&he->rb_node_in); |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 456 | |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 457 | data__for_each_file_new(i, d) { |
| 458 | pair = get_pair_data(he, d); |
| 459 | if (!pair) |
| 460 | continue; |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 461 | |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 462 | switch (compute) { |
| 463 | case COMPUTE_DELTA: |
| 464 | compute_delta(he, pair); |
| 465 | break; |
| 466 | case COMPUTE_RATIO: |
| 467 | compute_ratio(he, pair); |
| 468 | break; |
| 469 | case COMPUTE_WEIGHTED_DIFF: |
| 470 | compute_wdiff(he, pair); |
| 471 | break; |
| 472 | default: |
| 473 | BUG_ON(1); |
| 474 | } |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 475 | } |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | static int64_t cmp_doubles(double l, double r) |
| 480 | { |
| 481 | if (l > r) |
| 482 | return -1; |
| 483 | else if (l < r) |
| 484 | return 1; |
| 485 | else |
| 486 | return 0; |
| 487 | } |
| 488 | |
| 489 | static int64_t |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 490 | __hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 491 | int c) |
| 492 | { |
| 493 | switch (c) { |
| 494 | case COMPUTE_DELTA: |
| 495 | { |
| 496 | double l = left->diff.period_ratio_delta; |
| 497 | double r = right->diff.period_ratio_delta; |
| 498 | |
| 499 | return cmp_doubles(l, r); |
| 500 | } |
| 501 | case COMPUTE_RATIO: |
| 502 | { |
| 503 | double l = left->diff.period_ratio; |
| 504 | double r = right->diff.period_ratio; |
| 505 | |
| 506 | return cmp_doubles(l, r); |
| 507 | } |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 508 | case COMPUTE_WEIGHTED_DIFF: |
| 509 | { |
| 510 | s64 l = left->diff.wdiff; |
| 511 | s64 r = right->diff.wdiff; |
| 512 | |
| 513 | return r - l; |
| 514 | } |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 515 | default: |
| 516 | BUG_ON(1); |
| 517 | } |
| 518 | |
| 519 | return 0; |
| 520 | } |
| 521 | |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 522 | static int64_t |
| 523 | hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 524 | int c, int sort_idx) |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 525 | { |
| 526 | bool pairs_left = hist_entry__has_pairs(left); |
| 527 | bool pairs_right = hist_entry__has_pairs(right); |
| 528 | struct hist_entry *p_right, *p_left; |
| 529 | |
| 530 | if (!pairs_left && !pairs_right) |
| 531 | return 0; |
| 532 | |
| 533 | if (!pairs_left || !pairs_right) |
| 534 | return pairs_left ? -1 : 1; |
| 535 | |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 536 | p_left = get_pair_data(left, &data__files[sort_idx]); |
| 537 | p_right = get_pair_data(right, &data__files[sort_idx]); |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 538 | |
| 539 | if (!p_left && !p_right) |
| 540 | return 0; |
| 541 | |
| 542 | if (!p_left || !p_right) |
| 543 | return p_left ? -1 : 1; |
| 544 | |
| 545 | /* |
| 546 | * We have 2 entries of same kind, let's |
| 547 | * make the data comparison. |
| 548 | */ |
| 549 | return __hist_entry__cmp_compute(p_left, p_right, c); |
| 550 | } |
| 551 | |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 552 | static int64_t |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 553 | hist_entry__cmp_compute_idx(struct hist_entry *left, struct hist_entry *right, |
| 554 | int c, int sort_idx) |
| 555 | { |
| 556 | struct hist_entry *p_right, *p_left; |
| 557 | |
| 558 | p_left = get_pair_data(left, &data__files[sort_idx]); |
| 559 | p_right = get_pair_data(right, &data__files[sort_idx]); |
| 560 | |
| 561 | if (!p_left && !p_right) |
| 562 | return 0; |
| 563 | |
| 564 | if (!p_left || !p_right) |
| 565 | return p_left ? -1 : 1; |
| 566 | |
| 567 | if (c != COMPUTE_DELTA) { |
| 568 | /* |
| 569 | * The delta can be computed without the baseline, but |
| 570 | * others are not. Put those entries which have no |
| 571 | * values below. |
| 572 | */ |
| 573 | if (left->dummy && right->dummy) |
| 574 | return 0; |
| 575 | |
| 576 | if (left->dummy || right->dummy) |
| 577 | return left->dummy ? 1 : -1; |
| 578 | } |
| 579 | |
| 580 | return __hist_entry__cmp_compute(p_left, p_right, c); |
| 581 | } |
| 582 | |
| 583 | static int64_t |
Namhyung Kim | 87bbdf7 | 2015-01-08 09:45:46 +0900 | [diff] [blame] | 584 | hist_entry__cmp_nop(struct perf_hpp_fmt *fmt __maybe_unused, |
| 585 | struct hist_entry *left __maybe_unused, |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 586 | struct hist_entry *right __maybe_unused) |
| 587 | { |
| 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | static int64_t |
Namhyung Kim | 87bbdf7 | 2015-01-08 09:45:46 +0900 | [diff] [blame] | 592 | hist_entry__cmp_baseline(struct perf_hpp_fmt *fmt __maybe_unused, |
| 593 | struct hist_entry *left, struct hist_entry *right) |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 594 | { |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 595 | if (left->stat.period == right->stat.period) |
| 596 | return 0; |
| 597 | return left->stat.period > right->stat.period ? 1 : -1; |
| 598 | } |
| 599 | |
| 600 | static int64_t |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 601 | hist_entry__cmp_delta(struct perf_hpp_fmt *fmt, |
Namhyung Kim | 87bbdf7 | 2015-01-08 09:45:46 +0900 | [diff] [blame] | 602 | struct hist_entry *left, struct hist_entry *right) |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 603 | { |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 604 | struct data__file *d = fmt_to_data_file(fmt); |
| 605 | |
| 606 | return hist_entry__cmp_compute(right, left, COMPUTE_DELTA, d->idx); |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 607 | } |
| 608 | |
| 609 | static int64_t |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 610 | hist_entry__cmp_ratio(struct perf_hpp_fmt *fmt, |
Namhyung Kim | 87bbdf7 | 2015-01-08 09:45:46 +0900 | [diff] [blame] | 611 | struct hist_entry *left, struct hist_entry *right) |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 612 | { |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 613 | struct data__file *d = fmt_to_data_file(fmt); |
| 614 | |
| 615 | return hist_entry__cmp_compute(right, left, COMPUTE_RATIO, d->idx); |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | static int64_t |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 619 | hist_entry__cmp_wdiff(struct perf_hpp_fmt *fmt, |
Namhyung Kim | 87bbdf7 | 2015-01-08 09:45:46 +0900 | [diff] [blame] | 620 | struct hist_entry *left, struct hist_entry *right) |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 621 | { |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 622 | struct data__file *d = fmt_to_data_file(fmt); |
| 623 | |
| 624 | return hist_entry__cmp_compute(right, left, COMPUTE_WEIGHTED_DIFF, d->idx); |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 625 | } |
| 626 | |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 627 | static int64_t |
| 628 | hist_entry__cmp_delta_idx(struct perf_hpp_fmt *fmt __maybe_unused, |
| 629 | struct hist_entry *left, struct hist_entry *right) |
| 630 | { |
| 631 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_DELTA, |
| 632 | sort_compute); |
| 633 | } |
| 634 | |
| 635 | static int64_t |
| 636 | hist_entry__cmp_ratio_idx(struct perf_hpp_fmt *fmt __maybe_unused, |
| 637 | struct hist_entry *left, struct hist_entry *right) |
| 638 | { |
| 639 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_RATIO, |
| 640 | sort_compute); |
| 641 | } |
| 642 | |
| 643 | static int64_t |
| 644 | hist_entry__cmp_wdiff_idx(struct perf_hpp_fmt *fmt __maybe_unused, |
| 645 | struct hist_entry *left, struct hist_entry *right) |
| 646 | { |
| 647 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_WEIGHTED_DIFF, |
| 648 | sort_compute); |
| 649 | } |
| 650 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 651 | static void hists__process(struct hists *hists) |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 652 | { |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 653 | if (show_baseline_only) |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 654 | hists__baseline_only(hists); |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 655 | |
Namhyung Kim | 56495a8 | 2015-01-08 09:45:47 +0900 | [diff] [blame] | 656 | hists__precompute(hists); |
Namhyung Kim | 38259a1 | 2014-12-27 14:06:30 +0900 | [diff] [blame] | 657 | hists__output_resort(hists, NULL); |
Jiri Olsa | 96c47f1 | 2012-10-05 16:44:42 +0200 | [diff] [blame] | 658 | |
Jiri Olsa | d05e3aa | 2016-06-14 20:19:18 +0200 | [diff] [blame] | 659 | hists__fprintf(hists, true, 0, 0, 0, stdout, |
| 660 | symbol_conf.use_callchain); |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 661 | } |
| 662 | |
Jiri Olsa | 1d81c7f | 2012-12-01 21:56:03 +0100 | [diff] [blame] | 663 | static void data__fprintf(void) |
| 664 | { |
| 665 | struct data__file *d; |
| 666 | int i; |
| 667 | |
| 668 | fprintf(stdout, "# Data files:\n"); |
| 669 | |
| 670 | data__for_each_file(i, d) |
| 671 | fprintf(stdout, "# [%d] %s %s\n", |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 672 | d->idx, d->file.path, |
Jiri Olsa | 1d81c7f | 2012-12-01 21:56:03 +0100 | [diff] [blame] | 673 | !d->idx ? "(Baseline)" : ""); |
| 674 | |
| 675 | fprintf(stdout, "#\n"); |
| 676 | } |
| 677 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 678 | static void data_process(void) |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 679 | { |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 680 | struct perf_evlist *evlist_base = data__files[0].session->evlist; |
| 681 | struct perf_evsel *evsel_base; |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 682 | bool first = true; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 683 | |
Arnaldo Carvalho de Melo | e5cadb9 | 2016-06-23 11:26:15 -0300 | [diff] [blame] | 684 | evlist__for_each_entry(evlist_base, evsel_base) { |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 685 | struct hists *hists_base = evsel__hists(evsel_base); |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 686 | struct data__file *d; |
| 687 | int i; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 688 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 689 | data__for_each_file_new(i, d) { |
| 690 | struct perf_evlist *evlist = d->session->evlist; |
| 691 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 692 | struct hists *hists; |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 693 | |
| 694 | evsel = evsel_match(evsel_base, evlist); |
| 695 | if (!evsel) |
| 696 | continue; |
| 697 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 698 | hists = evsel__hists(evsel); |
| 699 | d->hists = hists; |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 700 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 701 | hists__match(hists_base, hists); |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 702 | |
| 703 | if (!show_baseline_only) |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 704 | hists__link(hists_base, hists); |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 705 | } |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 706 | |
| 707 | fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 708 | perf_evsel__name(evsel_base)); |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 709 | |
| 710 | first = false; |
| 711 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 712 | if (verbose || data__files_cnt > 2) |
Jiri Olsa | 1d81c7f | 2012-12-01 21:56:03 +0100 | [diff] [blame] | 713 | data__fprintf(); |
| 714 | |
Kan Liang | f9db0d0 | 2015-08-11 06:30:48 -0400 | [diff] [blame] | 715 | /* Don't sort callchain for perf diff */ |
| 716 | perf_evsel__reset_sample_bit(evsel_base, CALLCHAIN); |
| 717 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 718 | hists__process(hists_base); |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 719 | } |
| 720 | } |
| 721 | |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 722 | static void data__free(struct data__file *d) |
| 723 | { |
| 724 | int col; |
| 725 | |
| 726 | for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) { |
| 727 | struct diff_hpp_fmt *fmt = &d->fmt[col]; |
| 728 | |
Arnaldo Carvalho de Melo | 74cf249 | 2013-12-27 16:55:14 -0300 | [diff] [blame] | 729 | zfree(&fmt->header); |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 730 | } |
| 731 | } |
| 732 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 733 | static int __cmd_diff(void) |
| 734 | { |
| 735 | struct data__file *d; |
| 736 | int ret = -EINVAL, i; |
| 737 | |
| 738 | data__for_each_file(i, d) { |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 739 | d->session = perf_session__new(&d->file, false, &tool); |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 740 | if (!d->session) { |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 741 | pr_err("Failed to open %s\n", d->file.path); |
Taeung Song | 52e02834 | 2014-09-24 10:33:37 +0900 | [diff] [blame] | 742 | ret = -1; |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 743 | goto out_delete; |
| 744 | } |
| 745 | |
Arnaldo Carvalho de Melo | b7b61cb | 2015-03-03 11:58:45 -0300 | [diff] [blame] | 746 | ret = perf_session__process_events(d->session); |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 747 | if (ret) { |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 748 | pr_err("Failed to process %s\n", d->file.path); |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 749 | goto out_delete; |
| 750 | } |
| 751 | |
| 752 | perf_evlist__collapse_resort(d->session->evlist); |
Jiri Olsa | 863e451 | 2012-09-06 17:46:55 +0200 | [diff] [blame] | 753 | } |
| 754 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 755 | data_process(); |
| 756 | |
| 757 | out_delete: |
| 758 | data__for_each_file(i, d) { |
Arnaldo Carvalho de Melo | e144655 | 2016-06-22 10:02:16 -0300 | [diff] [blame] | 759 | perf_session__delete(d->session); |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 760 | data__free(d); |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | free(data__files); |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 764 | return ret; |
| 765 | } |
| 766 | |
Arnaldo Carvalho de Melo | 0422a4f | 2009-12-18 16:35:58 -0200 | [diff] [blame] | 767 | static const char * const diff_usage[] = { |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 768 | "perf diff [<options>] [old_file] [new_file]", |
Arnaldo Carvalho de Melo | 0422a4f | 2009-12-18 16:35:58 -0200 | [diff] [blame] | 769 | NULL, |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 770 | }; |
| 771 | |
| 772 | static const struct option options[] = { |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 773 | OPT_INCR('v', "verbose", &verbose, |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 774 | "be more verbose (show symbol address, etc)"), |
Jiri Olsa | a06d143 | 2012-10-05 16:44:40 +0200 | [diff] [blame] | 775 | OPT_BOOLEAN('b', "baseline-only", &show_baseline_only, |
| 776 | "Show only items with match in baseline"), |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 777 | OPT_CALLBACK('c', "compute", &compute, |
| 778 | "delta,ratio,wdiff:w1,w2 (default delta)", |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 779 | "Entries differential computation selection", |
| 780 | setup_compute), |
Jiri Olsa | 61949b2 | 2012-10-05 16:44:44 +0200 | [diff] [blame] | 781 | OPT_BOOLEAN('p', "period", &show_period, |
| 782 | "Show period values."), |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 783 | OPT_BOOLEAN('F', "formula", &show_formula, |
| 784 | "Show formula."), |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 785 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| 786 | "dump raw trace in ASCII"), |
| 787 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), |
David Ahern | 6b1f342 | 2015-03-24 09:51:57 -0600 | [diff] [blame] | 788 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
| 789 | "file", "kallsyms pathname"), |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 790 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
| 791 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 792 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 793 | "only consider symbols in these dsos"), |
| 794 | OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 795 | "only consider symbols in these comms"), |
| 796 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 797 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | c351c28 | 2009-12-16 13:49:27 -0200 | [diff] [blame] | 798 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
Namhyung Kim | a2ce067 | 2014-03-04 09:06:42 +0900 | [diff] [blame] | 799 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
| 800 | " Please refer the man page for the complete list."), |
Wang Nan | 8b8ca6e | 2015-03-20 02:57:52 +0000 | [diff] [blame] | 801 | OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", |
Arnaldo Carvalho de Melo | c351c28 | 2009-12-16 13:49:27 -0200 | [diff] [blame] | 802 | "separator for columns, no spaces will be added between " |
| 803 | "columns '.' is reserved."), |
He Kuang | a706670 | 2016-05-19 11:47:37 +0000 | [diff] [blame] | 804 | OPT_CALLBACK(0, "symfs", NULL, "directory", |
| 805 | "Look for files with symbols relative to this directory", |
| 806 | symbol__config_symfs), |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 807 | OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."), |
Namhyung Kim | 8810f6c | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 808 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
| 809 | "How to display percentage of filtered entries", parse_filter_percentage), |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 810 | OPT_END() |
| 811 | }; |
| 812 | |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 813 | static double baseline_percent(struct hist_entry *he) |
Jiri Olsa | 1d77822 | 2012-10-04 21:49:39 +0900 | [diff] [blame] | 814 | { |
Namhyung Kim | 8810f6c | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 815 | u64 total = hists__total_period(he->hists); |
| 816 | |
| 817 | return 100.0 * he->stat.period / total; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 818 | } |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 819 | |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 820 | static int hpp__color_baseline(struct perf_hpp_fmt *fmt, |
| 821 | struct perf_hpp *hpp, struct hist_entry *he) |
| 822 | { |
| 823 | struct diff_hpp_fmt *dfmt = |
| 824 | container_of(fmt, struct diff_hpp_fmt, fmt); |
| 825 | double percent = baseline_percent(he); |
| 826 | char pfmt[20] = " "; |
| 827 | |
| 828 | if (!he->dummy) { |
| 829 | scnprintf(pfmt, 20, "%%%d.2f%%%%", dfmt->header_width - 1); |
| 830 | return percent_color_snprintf(hpp->buf, hpp->size, |
| 831 | pfmt, percent); |
| 832 | } else |
| 833 | return scnprintf(hpp->buf, hpp->size, "%*s", |
| 834 | dfmt->header_width, pfmt); |
| 835 | } |
| 836 | |
| 837 | static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) |
| 838 | { |
| 839 | double percent = baseline_percent(he); |
| 840 | const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%"; |
| 841 | int ret = 0; |
| 842 | |
| 843 | if (!he->dummy) |
| 844 | ret = scnprintf(buf, size, fmt, percent); |
| 845 | |
| 846 | return ret; |
| 847 | } |
| 848 | |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 849 | static int __hpp__color_compare(struct perf_hpp_fmt *fmt, |
| 850 | struct perf_hpp *hpp, struct hist_entry *he, |
| 851 | int comparison_method) |
| 852 | { |
| 853 | struct diff_hpp_fmt *dfmt = |
| 854 | container_of(fmt, struct diff_hpp_fmt, fmt); |
| 855 | struct hist_entry *pair = get_pair_fmt(he, dfmt); |
| 856 | double diff; |
Ramkumar Ramachandra | a5846e2 | 2013-12-30 13:32:35 +0530 | [diff] [blame] | 857 | s64 wdiff; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 858 | char pfmt[20] = " "; |
| 859 | |
| 860 | if (!pair) |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 861 | goto no_print; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 862 | |
| 863 | switch (comparison_method) { |
| 864 | case COMPUTE_DELTA: |
| 865 | if (pair->diff.computed) |
| 866 | diff = pair->diff.period_ratio_delta; |
| 867 | else |
| 868 | diff = compute_delta(he, pair); |
| 869 | |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 870 | scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); |
| 871 | return percent_color_snprintf(hpp->buf, hpp->size, |
| 872 | pfmt, diff); |
Ramkumar Ramachandra | 1f513b2 | 2013-12-30 13:04:20 +0530 | [diff] [blame] | 873 | case COMPUTE_RATIO: |
| 874 | if (he->dummy) |
| 875 | goto dummy_print; |
| 876 | if (pair->diff.computed) |
| 877 | diff = pair->diff.period_ratio; |
| 878 | else |
| 879 | diff = compute_ratio(he, pair); |
| 880 | |
| 881 | scnprintf(pfmt, 20, "%%%d.6f", dfmt->header_width); |
| 882 | return value_color_snprintf(hpp->buf, hpp->size, |
| 883 | pfmt, diff); |
Ramkumar Ramachandra | a5846e2 | 2013-12-30 13:32:35 +0530 | [diff] [blame] | 884 | case COMPUTE_WEIGHTED_DIFF: |
| 885 | if (he->dummy) |
| 886 | goto dummy_print; |
| 887 | if (pair->diff.computed) |
| 888 | wdiff = pair->diff.wdiff; |
| 889 | else |
| 890 | wdiff = compute_wdiff(he, pair); |
| 891 | |
| 892 | scnprintf(pfmt, 20, "%%14ld", dfmt->header_width); |
| 893 | return color_snprintf(hpp->buf, hpp->size, |
| 894 | get_percent_color(wdiff), |
| 895 | pfmt, wdiff); |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 896 | default: |
| 897 | BUG_ON(1); |
| 898 | } |
| 899 | dummy_print: |
| 900 | return scnprintf(hpp->buf, hpp->size, "%*s", |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 901 | dfmt->header_width, "N/A"); |
| 902 | no_print: |
| 903 | return scnprintf(hpp->buf, hpp->size, "%*s", |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 904 | dfmt->header_width, pfmt); |
| 905 | } |
| 906 | |
| 907 | static int hpp__color_delta(struct perf_hpp_fmt *fmt, |
| 908 | struct perf_hpp *hpp, struct hist_entry *he) |
| 909 | { |
| 910 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); |
| 911 | } |
| 912 | |
Ramkumar Ramachandra | 1f513b2 | 2013-12-30 13:04:20 +0530 | [diff] [blame] | 913 | static int hpp__color_ratio(struct perf_hpp_fmt *fmt, |
| 914 | struct perf_hpp *hpp, struct hist_entry *he) |
| 915 | { |
| 916 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_RATIO); |
| 917 | } |
| 918 | |
Ramkumar Ramachandra | a5846e2 | 2013-12-30 13:32:35 +0530 | [diff] [blame] | 919 | static int hpp__color_wdiff(struct perf_hpp_fmt *fmt, |
| 920 | struct perf_hpp *hpp, struct hist_entry *he) |
| 921 | { |
| 922 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_WEIGHTED_DIFF); |
| 923 | } |
| 924 | |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 925 | static void |
| 926 | hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) |
| 927 | { |
| 928 | switch (idx) { |
| 929 | case PERF_HPP_DIFF__PERIOD_BASELINE: |
| 930 | scnprintf(buf, size, "%" PRIu64, he->stat.period); |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 931 | break; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 932 | |
| 933 | default: |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 934 | break; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 935 | } |
| 936 | } |
| 937 | |
| 938 | static void |
| 939 | hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, |
| 940 | int idx, char *buf, size_t size) |
| 941 | { |
| 942 | double diff; |
| 943 | double ratio; |
| 944 | s64 wdiff; |
| 945 | |
| 946 | switch (idx) { |
| 947 | case PERF_HPP_DIFF__DELTA: |
| 948 | if (pair->diff.computed) |
| 949 | diff = pair->diff.period_ratio_delta; |
| 950 | else |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 951 | diff = compute_delta(he, pair); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 952 | |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 953 | scnprintf(buf, size, "%+4.2F%%", diff); |
Jiri Olsa | 81d5f95 | 2012-10-05 16:44:43 +0200 | [diff] [blame] | 954 | break; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 955 | |
| 956 | case PERF_HPP_DIFF__RATIO: |
| 957 | /* No point for ratio number if we are dummy.. */ |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 958 | if (he->dummy) { |
| 959 | scnprintf(buf, size, "N/A"); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 960 | break; |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 961 | } |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 962 | |
| 963 | if (pair->diff.computed) |
| 964 | ratio = pair->diff.period_ratio; |
| 965 | else |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 966 | ratio = compute_ratio(he, pair); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 967 | |
| 968 | if (ratio > 0.0) |
| 969 | scnprintf(buf, size, "%14.6F", ratio); |
| 970 | break; |
| 971 | |
| 972 | case PERF_HPP_DIFF__WEIGHTED_DIFF: |
| 973 | /* No point for wdiff number if we are dummy.. */ |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 974 | if (he->dummy) { |
| 975 | scnprintf(buf, size, "N/A"); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 976 | break; |
Namhyung Kim | ec3d07c | 2014-12-27 14:06:31 +0900 | [diff] [blame] | 977 | } |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 978 | |
| 979 | if (pair->diff.computed) |
| 980 | wdiff = pair->diff.wdiff; |
| 981 | else |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 982 | wdiff = compute_wdiff(he, pair); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 983 | |
| 984 | if (wdiff != 0) |
| 985 | scnprintf(buf, size, "%14ld", wdiff); |
| 986 | break; |
| 987 | |
| 988 | case PERF_HPP_DIFF__FORMULA: |
Jiri Olsa | ef358e6 | 2012-10-21 23:31:51 +0200 | [diff] [blame] | 989 | formula_fprintf(he, pair, buf, size); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 990 | break; |
| 991 | |
| 992 | case PERF_HPP_DIFF__PERIOD: |
| 993 | scnprintf(buf, size, "%" PRIu64, pair->stat.period); |
| 994 | break; |
| 995 | |
Jiri Olsa | 7aaf6b3 | 2012-10-05 16:44:41 +0200 | [diff] [blame] | 996 | default: |
| 997 | BUG_ON(1); |
| 998 | }; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 999 | } |
| 1000 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1001 | static void |
| 1002 | __hpp__entry_global(struct hist_entry *he, struct diff_hpp_fmt *dfmt, |
| 1003 | char *buf, size_t size) |
| 1004 | { |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 1005 | struct hist_entry *pair = get_pair_fmt(he, dfmt); |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1006 | int idx = dfmt->idx; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1007 | |
| 1008 | /* baseline is special */ |
| 1009 | if (idx == PERF_HPP_DIFF__BASELINE) |
| 1010 | hpp__entry_baseline(he, buf, size); |
| 1011 | else { |
| 1012 | if (pair) |
| 1013 | hpp__entry_pair(he, pair, idx, buf, size); |
| 1014 | else |
| 1015 | hpp__entry_unpair(he, idx, buf, size); |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, |
| 1020 | struct hist_entry *he) |
| 1021 | { |
| 1022 | struct diff_hpp_fmt *dfmt = |
| 1023 | container_of(_fmt, struct diff_hpp_fmt, fmt); |
| 1024 | char buf[MAX_COL_WIDTH] = " "; |
| 1025 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1026 | __hpp__entry_global(he, dfmt, buf, MAX_COL_WIDTH); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1027 | |
| 1028 | if (symbol_conf.field_sep) |
| 1029 | return scnprintf(hpp->buf, hpp->size, "%s", buf); |
| 1030 | else |
| 1031 | return scnprintf(hpp->buf, hpp->size, "%*s", |
| 1032 | dfmt->header_width, buf); |
| 1033 | } |
| 1034 | |
Namhyung Kim | 94a0793 | 2014-03-10 16:43:52 +0900 | [diff] [blame] | 1035 | static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
Jiri Olsa | 74bb43f | 2016-08-07 17:28:27 +0200 | [diff] [blame] | 1036 | struct hists *hists __maybe_unused, |
Jiri Olsa | 29659ab | 2016-08-07 17:28:30 +0200 | [diff] [blame] | 1037 | int line __maybe_unused, |
| 1038 | int *span __maybe_unused) |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1039 | { |
| 1040 | struct diff_hpp_fmt *dfmt = |
| 1041 | container_of(fmt, struct diff_hpp_fmt, fmt); |
| 1042 | |
| 1043 | BUG_ON(!dfmt->header); |
| 1044 | return scnprintf(hpp->buf, hpp->size, dfmt->header); |
| 1045 | } |
| 1046 | |
| 1047 | static int hpp__width(struct perf_hpp_fmt *fmt, |
Namhyung Kim | 94a0793 | 2014-03-10 16:43:52 +0900 | [diff] [blame] | 1048 | struct perf_hpp *hpp __maybe_unused, |
Jiri Olsa | da1b040 | 2016-06-14 20:19:20 +0200 | [diff] [blame] | 1049 | struct hists *hists __maybe_unused) |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1050 | { |
| 1051 | struct diff_hpp_fmt *dfmt = |
| 1052 | container_of(fmt, struct diff_hpp_fmt, fmt); |
| 1053 | |
| 1054 | BUG_ON(dfmt->header_width <= 0); |
| 1055 | return dfmt->header_width; |
| 1056 | } |
| 1057 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1058 | static void init_header(struct data__file *d, struct diff_hpp_fmt *dfmt) |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1059 | { |
| 1060 | #define MAX_HEADER_NAME 100 |
| 1061 | char buf_indent[MAX_HEADER_NAME]; |
| 1062 | char buf[MAX_HEADER_NAME]; |
| 1063 | const char *header = NULL; |
| 1064 | int width = 0; |
| 1065 | |
| 1066 | BUG_ON(dfmt->idx >= PERF_HPP_DIFF__MAX_INDEX); |
| 1067 | header = columns[dfmt->idx].name; |
| 1068 | width = columns[dfmt->idx].width; |
| 1069 | |
| 1070 | /* Only our defined HPP fmts should appear here. */ |
| 1071 | BUG_ON(!header); |
| 1072 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1073 | if (data__files_cnt > 2) |
| 1074 | scnprintf(buf, MAX_HEADER_NAME, "%s/%d", header, d->idx); |
| 1075 | |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1076 | #define NAME (data__files_cnt > 2 ? buf : header) |
| 1077 | dfmt->header_width = width; |
| 1078 | width = (int) strlen(NAME); |
| 1079 | if (dfmt->header_width < width) |
| 1080 | dfmt->header_width = width; |
| 1081 | |
| 1082 | scnprintf(buf_indent, MAX_HEADER_NAME, "%*s", |
| 1083 | dfmt->header_width, NAME); |
| 1084 | |
| 1085 | dfmt->header = strdup(buf_indent); |
| 1086 | #undef MAX_HEADER_NAME |
| 1087 | #undef NAME |
| 1088 | } |
| 1089 | |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1090 | static void data__hpp_register(struct data__file *d, int idx) |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1091 | { |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1092 | struct diff_hpp_fmt *dfmt = &d->fmt[idx]; |
| 1093 | struct perf_hpp_fmt *fmt = &dfmt->fmt; |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1094 | |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1095 | dfmt->idx = idx; |
| 1096 | |
| 1097 | fmt->header = hpp__header; |
| 1098 | fmt->width = hpp__width; |
| 1099 | fmt->entry = hpp__entry_global; |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1100 | fmt->cmp = hist_entry__cmp_nop; |
| 1101 | fmt->collapse = hist_entry__cmp_nop; |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1102 | |
| 1103 | /* TODO more colors */ |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 1104 | switch (idx) { |
| 1105 | case PERF_HPP_DIFF__BASELINE: |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1106 | fmt->color = hpp__color_baseline; |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1107 | fmt->sort = hist_entry__cmp_baseline; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 1108 | break; |
| 1109 | case PERF_HPP_DIFF__DELTA: |
| 1110 | fmt->color = hpp__color_delta; |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1111 | fmt->sort = hist_entry__cmp_delta; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 1112 | break; |
Ramkumar Ramachandra | 1f513b2 | 2013-12-30 13:04:20 +0530 | [diff] [blame] | 1113 | case PERF_HPP_DIFF__RATIO: |
| 1114 | fmt->color = hpp__color_ratio; |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1115 | fmt->sort = hist_entry__cmp_ratio; |
Ramkumar Ramachandra | 1f513b2 | 2013-12-30 13:04:20 +0530 | [diff] [blame] | 1116 | break; |
Ramkumar Ramachandra | a5846e2 | 2013-12-30 13:32:35 +0530 | [diff] [blame] | 1117 | case PERF_HPP_DIFF__WEIGHTED_DIFF: |
| 1118 | fmt->color = hpp__color_wdiff; |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1119 | fmt->sort = hist_entry__cmp_wdiff; |
Ramkumar Ramachandra | a5846e2 | 2013-12-30 13:32:35 +0530 | [diff] [blame] | 1120 | break; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 1121 | default: |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1122 | fmt->sort = hist_entry__cmp_nop; |
Ramkumar Ramachandra | 01f10bc | 2013-12-30 13:04:19 +0530 | [diff] [blame] | 1123 | break; |
| 1124 | } |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1125 | |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1126 | init_header(d, dfmt); |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1127 | perf_hpp__column_register(fmt); |
Namhyung Kim | e7024fc | 2014-12-27 14:06:29 +0900 | [diff] [blame] | 1128 | perf_hpp__register_sort_field(fmt); |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1129 | } |
| 1130 | |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 1131 | static int ui_init(void) |
Jiri Olsa | 345dc0b | 2013-02-03 20:08:34 +0100 | [diff] [blame] | 1132 | { |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1133 | struct data__file *d; |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 1134 | struct perf_hpp_fmt *fmt; |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1135 | int i; |
Jiri Olsa | 1d77822 | 2012-10-04 21:49:39 +0900 | [diff] [blame] | 1136 | |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1137 | data__for_each_file(i, d) { |
Jiri Olsa | ed279da | 2012-10-05 16:44:45 +0200 | [diff] [blame] | 1138 | |
Jiri Olsa | c818b49 | 2012-12-01 21:57:04 +0100 | [diff] [blame] | 1139 | /* |
| 1140 | * Baseline or compute realted columns: |
| 1141 | * |
| 1142 | * PERF_HPP_DIFF__BASELINE |
| 1143 | * PERF_HPP_DIFF__DELTA |
| 1144 | * PERF_HPP_DIFF__RATIO |
| 1145 | * PERF_HPP_DIFF__WEIGHTED_DIFF |
| 1146 | */ |
| 1147 | data__hpp_register(d, i ? compute_2_hpp[compute] : |
| 1148 | PERF_HPP_DIFF__BASELINE); |
| 1149 | |
| 1150 | /* |
| 1151 | * And the rest: |
| 1152 | * |
| 1153 | * PERF_HPP_DIFF__FORMULA |
| 1154 | * PERF_HPP_DIFF__PERIOD |
| 1155 | * PERF_HPP_DIFF__PERIOD_BASELINE |
| 1156 | */ |
| 1157 | if (show_formula && i) |
| 1158 | data__hpp_register(d, PERF_HPP_DIFF__FORMULA); |
| 1159 | |
| 1160 | if (show_period) |
| 1161 | data__hpp_register(d, i ? PERF_HPP_DIFF__PERIOD : |
| 1162 | PERF_HPP_DIFF__PERIOD_BASELINE); |
Jiri Olsa | 61949b2 | 2012-10-05 16:44:44 +0200 | [diff] [blame] | 1163 | } |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 1164 | |
| 1165 | if (!sort_compute) |
| 1166 | return 0; |
| 1167 | |
| 1168 | /* |
| 1169 | * Prepend an fmt to sort on columns at 'sort_compute' first. |
| 1170 | * This fmt is added only to the sort list but not to the |
| 1171 | * output fields list. |
| 1172 | * |
| 1173 | * Note that this column (data) can be compared twice - one |
| 1174 | * for this 'sort_compute' fmt and another for the normal |
| 1175 | * diff_hpp_fmt. But it shouldn't a problem as most entries |
| 1176 | * will be sorted out by first try or baseline and comparing |
| 1177 | * is not a costly operation. |
| 1178 | */ |
| 1179 | fmt = zalloc(sizeof(*fmt)); |
| 1180 | if (fmt == NULL) { |
| 1181 | pr_err("Memory allocation failed\n"); |
| 1182 | return -1; |
| 1183 | } |
| 1184 | |
| 1185 | fmt->cmp = hist_entry__cmp_nop; |
| 1186 | fmt->collapse = hist_entry__cmp_nop; |
| 1187 | |
| 1188 | switch (compute) { |
| 1189 | case COMPUTE_DELTA: |
| 1190 | fmt->sort = hist_entry__cmp_delta_idx; |
| 1191 | break; |
| 1192 | case COMPUTE_RATIO: |
| 1193 | fmt->sort = hist_entry__cmp_ratio_idx; |
| 1194 | break; |
| 1195 | case COMPUTE_WEIGHTED_DIFF: |
| 1196 | fmt->sort = hist_entry__cmp_wdiff_idx; |
| 1197 | break; |
| 1198 | default: |
| 1199 | BUG_ON(1); |
| 1200 | } |
| 1201 | |
Jiri Olsa | 21e6d84 | 2016-01-07 10:14:09 +0100 | [diff] [blame] | 1202 | perf_hpp__register_sort_field(fmt); |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 1203 | return 0; |
Jiri Olsa | 1d77822 | 2012-10-04 21:49:39 +0900 | [diff] [blame] | 1204 | } |
| 1205 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1206 | static int data_init(int argc, const char **argv) |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1207 | { |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1208 | struct data__file *d; |
| 1209 | static const char *defaults[] = { |
| 1210 | "perf.data.old", |
| 1211 | "perf.data", |
| 1212 | }; |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1213 | bool use_default = true; |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1214 | int i; |
| 1215 | |
| 1216 | data__files_cnt = 2; |
| 1217 | |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1218 | if (argc) { |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1219 | if (argc == 1) |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1220 | defaults[1] = argv[0]; |
Jiri Olsa | 22aeb7f | 2012-12-01 22:00:00 +0100 | [diff] [blame] | 1221 | else { |
| 1222 | data__files_cnt = argc; |
| 1223 | use_default = false; |
| 1224 | } |
Dongsheng Yang | d8d9608 | 2013-12-06 17:25:52 -0500 | [diff] [blame] | 1225 | } else if (perf_guest) { |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1226 | defaults[0] = "perf.data.host"; |
| 1227 | defaults[1] = "perf.data.guest"; |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1228 | } |
| 1229 | |
Jiri Olsa | 5f3f8d3 | 2012-11-25 23:10:20 +0100 | [diff] [blame] | 1230 | if (sort_compute >= (unsigned int) data__files_cnt) { |
| 1231 | pr_err("Order option out of limit.\n"); |
| 1232 | return -EINVAL; |
| 1233 | } |
| 1234 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1235 | data__files = zalloc(sizeof(*data__files) * data__files_cnt); |
| 1236 | if (!data__files) |
| 1237 | return -ENOMEM; |
| 1238 | |
| 1239 | data__for_each_file(i, d) { |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 1240 | struct perf_data_file *file = &d->file; |
| 1241 | |
| 1242 | file->path = use_default ? defaults[i] : argv[i]; |
| 1243 | file->mode = PERF_DATA_MODE_READ, |
| 1244 | file->force = force, |
| 1245 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1246 | d->idx = i; |
| 1247 | } |
| 1248 | |
| 1249 | return 0; |
| 1250 | } |
| 1251 | |
| 1252 | int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) |
| 1253 | { |
Kan Liang | 9ab1f50 | 2014-10-22 15:02:41 -0400 | [diff] [blame] | 1254 | int ret = hists__init(); |
| 1255 | |
| 1256 | if (ret < 0) |
| 1257 | return ret; |
| 1258 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1259 | argc = parse_options(argc, argv, options, diff_usage, 0); |
| 1260 | |
Namhyung Kim | 0a7e6d1 | 2014-08-12 15:40:45 +0900 | [diff] [blame] | 1261 | if (symbol__init(NULL) < 0) |
Arnaldo Carvalho de Melo | 655000e | 2009-12-15 20:04:40 -0200 | [diff] [blame] | 1262 | return -1; |
| 1263 | |
Jiri Olsa | ec30842 | 2013-03-25 00:02:01 +0100 | [diff] [blame] | 1264 | if (data_init(argc, argv) < 0) |
| 1265 | return -1; |
| 1266 | |
Namhyung Kim | 566b5cf | 2015-01-08 09:45:48 +0900 | [diff] [blame] | 1267 | if (ui_init() < 0) |
| 1268 | return -1; |
Jiri Olsa | 1d77822 | 2012-10-04 21:49:39 +0900 | [diff] [blame] | 1269 | |
Namhyung Kim | 512ae1b | 2014-03-18 11:31:39 +0900 | [diff] [blame] | 1270 | sort__mode = SORT_MODE__DIFF; |
| 1271 | |
Namhyung Kim | 40184c4 | 2015-12-23 02:07:01 +0900 | [diff] [blame] | 1272 | if (setup_sorting(NULL) < 0) |
Namhyung Kim | 5530998 | 2013-02-06 14:57:16 +0900 | [diff] [blame] | 1273 | usage_with_options(diff_usage, options); |
| 1274 | |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1275 | setup_pager(); |
Arnaldo Carvalho de Melo | c351c28 | 2009-12-16 13:49:27 -0200 | [diff] [blame] | 1276 | |
Namhyung Kim | 08e7154 | 2013-04-03 21:26:19 +0900 | [diff] [blame] | 1277 | sort__setup_elide(NULL); |
Arnaldo Carvalho de Melo | c351c28 | 2009-12-16 13:49:27 -0200 | [diff] [blame] | 1278 | |
Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1279 | return __cmd_diff(); |
| 1280 | } |