Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1 | #include "builtin.h" |
| 2 | #include "perf.h" |
| 3 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 4 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 5 | #include "util/evsel.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 6 | #include "util/util.h" |
| 7 | #include "util/cache.h" |
| 8 | #include "util/symbol.h" |
| 9 | #include "util/thread.h" |
| 10 | #include "util/header.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 11 | #include "util/session.h" |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 12 | #include "util/tool.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 13 | |
| 14 | #include "util/parse-options.h" |
| 15 | #include "util/trace-event.h" |
| 16 | |
| 17 | #include "util/debug.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 18 | |
| 19 | #include <linux/rbtree.h> |
Arnaldo Carvalho de Melo | 8d9233f | 2013-01-24 22:24:57 -0300 | [diff] [blame] | 20 | #include <linux/string.h> |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 21 | |
| 22 | struct alloc_stat; |
| 23 | typedef int (*sort_fn_t)(struct alloc_stat *, struct alloc_stat *); |
| 24 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 25 | static int alloc_flag; |
| 26 | static int caller_flag; |
| 27 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 28 | static int alloc_lines = -1; |
| 29 | static int caller_lines = -1; |
| 30 | |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 31 | static bool raw_ip; |
| 32 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 33 | static int *cpunode_map; |
| 34 | static int max_cpu_num; |
| 35 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 36 | struct alloc_stat { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 37 | u64 call_site; |
| 38 | u64 ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 39 | u64 bytes_req; |
| 40 | u64 bytes_alloc; |
| 41 | u32 hit; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 42 | u32 pingpong; |
| 43 | |
| 44 | short alloc_cpu; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 45 | |
| 46 | struct rb_node node; |
| 47 | }; |
| 48 | |
| 49 | static struct rb_root root_alloc_stat; |
| 50 | static struct rb_root root_alloc_sorted; |
| 51 | static struct rb_root root_caller_stat; |
| 52 | static struct rb_root root_caller_sorted; |
| 53 | |
| 54 | static unsigned long total_requested, total_allocated; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 55 | static unsigned long nr_allocs, nr_cross_allocs; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 56 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 57 | #define PATH_SYS_NODE "/sys/devices/system/node" |
| 58 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 59 | static int init_cpunode_map(void) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 60 | { |
| 61 | FILE *fp; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 62 | int i, err = -1; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 63 | |
| 64 | fp = fopen("/sys/devices/system/cpu/kernel_max", "r"); |
| 65 | if (!fp) { |
| 66 | max_cpu_num = 4096; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 67 | return 0; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 68 | } |
| 69 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 70 | if (fscanf(fp, "%d", &max_cpu_num) < 1) { |
| 71 | pr_err("Failed to read 'kernel_max' from sysfs"); |
| 72 | goto out_close; |
| 73 | } |
| 74 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 75 | max_cpu_num++; |
| 76 | |
| 77 | cpunode_map = calloc(max_cpu_num, sizeof(int)); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 78 | if (!cpunode_map) { |
| 79 | pr_err("%s: calloc failed\n", __func__); |
| 80 | goto out_close; |
| 81 | } |
| 82 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 83 | for (i = 0; i < max_cpu_num; i++) |
| 84 | cpunode_map[i] = -1; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 85 | |
| 86 | err = 0; |
| 87 | out_close: |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 88 | fclose(fp); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 89 | return err; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 90 | } |
| 91 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 92 | static int setup_cpunode_map(void) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 93 | { |
| 94 | struct dirent *dent1, *dent2; |
| 95 | DIR *dir1, *dir2; |
| 96 | unsigned int cpu, mem; |
| 97 | char buf[PATH_MAX]; |
| 98 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 99 | if (init_cpunode_map()) |
| 100 | return -1; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 101 | |
| 102 | dir1 = opendir(PATH_SYS_NODE); |
| 103 | if (!dir1) |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 104 | return -1; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 105 | |
Ulrich Drepper | 659d8cf | 2009-12-19 16:40:28 -0500 | [diff] [blame] | 106 | while ((dent1 = readdir(dir1)) != NULL) { |
| 107 | if (dent1->d_type != DT_DIR || |
| 108 | sscanf(dent1->d_name, "node%u", &mem) < 1) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 109 | continue; |
| 110 | |
| 111 | snprintf(buf, PATH_MAX, "%s/%s", PATH_SYS_NODE, dent1->d_name); |
| 112 | dir2 = opendir(buf); |
| 113 | if (!dir2) |
| 114 | continue; |
Ulrich Drepper | 659d8cf | 2009-12-19 16:40:28 -0500 | [diff] [blame] | 115 | while ((dent2 = readdir(dir2)) != NULL) { |
| 116 | if (dent2->d_type != DT_LNK || |
| 117 | sscanf(dent2->d_name, "cpu%u", &cpu) < 1) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 118 | continue; |
| 119 | cpunode_map[cpu] = mem; |
| 120 | } |
Namhyung Kim | 8442da1 | 2012-01-08 02:25:28 +0900 | [diff] [blame] | 121 | closedir(dir2); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 122 | } |
Namhyung Kim | 8442da1 | 2012-01-08 02:25:28 +0900 | [diff] [blame] | 123 | closedir(dir1); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 124 | return 0; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 125 | } |
| 126 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 127 | static int insert_alloc_stat(unsigned long call_site, unsigned long ptr, |
| 128 | int bytes_req, int bytes_alloc, int cpu) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 129 | { |
| 130 | struct rb_node **node = &root_alloc_stat.rb_node; |
| 131 | struct rb_node *parent = NULL; |
| 132 | struct alloc_stat *data = NULL; |
| 133 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 134 | while (*node) { |
| 135 | parent = *node; |
| 136 | data = rb_entry(*node, struct alloc_stat, node); |
| 137 | |
| 138 | if (ptr > data->ptr) |
| 139 | node = &(*node)->rb_right; |
| 140 | else if (ptr < data->ptr) |
| 141 | node = &(*node)->rb_left; |
| 142 | else |
| 143 | break; |
| 144 | } |
| 145 | |
| 146 | if (data && data->ptr == ptr) { |
| 147 | data->hit++; |
| 148 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 149 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 150 | } else { |
| 151 | data = malloc(sizeof(*data)); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 152 | if (!data) { |
| 153 | pr_err("%s: malloc failed\n", __func__); |
| 154 | return -1; |
| 155 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 156 | data->ptr = ptr; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 157 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 158 | data->hit = 1; |
| 159 | data->bytes_req = bytes_req; |
| 160 | data->bytes_alloc = bytes_alloc; |
| 161 | |
| 162 | rb_link_node(&data->node, parent, node); |
| 163 | rb_insert_color(&data->node, &root_alloc_stat); |
| 164 | } |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 165 | data->call_site = call_site; |
| 166 | data->alloc_cpu = cpu; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 167 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 168 | } |
| 169 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 170 | static int insert_caller_stat(unsigned long call_site, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 171 | int bytes_req, int bytes_alloc) |
| 172 | { |
| 173 | struct rb_node **node = &root_caller_stat.rb_node; |
| 174 | struct rb_node *parent = NULL; |
| 175 | struct alloc_stat *data = NULL; |
| 176 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 177 | while (*node) { |
| 178 | parent = *node; |
| 179 | data = rb_entry(*node, struct alloc_stat, node); |
| 180 | |
| 181 | if (call_site > data->call_site) |
| 182 | node = &(*node)->rb_right; |
| 183 | else if (call_site < data->call_site) |
| 184 | node = &(*node)->rb_left; |
| 185 | else |
| 186 | break; |
| 187 | } |
| 188 | |
| 189 | if (data && data->call_site == call_site) { |
| 190 | data->hit++; |
| 191 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 192 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 193 | } else { |
| 194 | data = malloc(sizeof(*data)); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 195 | if (!data) { |
| 196 | pr_err("%s: malloc failed\n", __func__); |
| 197 | return -1; |
| 198 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 199 | data->call_site = call_site; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 200 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 201 | data->hit = 1; |
| 202 | data->bytes_req = bytes_req; |
| 203 | data->bytes_alloc = bytes_alloc; |
| 204 | |
| 205 | rb_link_node(&data->node, parent, node); |
| 206 | rb_insert_color(&data->node, &root_caller_stat); |
| 207 | } |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 208 | |
| 209 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 210 | } |
| 211 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 212 | static int perf_evsel__process_alloc_event(struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 213 | struct perf_sample *sample) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 214 | { |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 215 | unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"), |
| 216 | call_site = perf_evsel__intval(evsel, sample, "call_site"); |
| 217 | int bytes_req = perf_evsel__intval(evsel, sample, "bytes_req"), |
| 218 | bytes_alloc = perf_evsel__intval(evsel, sample, "bytes_alloc"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 219 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 220 | if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, sample->cpu) || |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 221 | insert_caller_stat(call_site, bytes_req, bytes_alloc)) |
| 222 | return -1; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 223 | |
| 224 | total_requested += bytes_req; |
| 225 | total_allocated += bytes_alloc; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 226 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 227 | nr_allocs++; |
| 228 | return 0; |
| 229 | } |
| 230 | |
| 231 | static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel, |
| 232 | struct perf_sample *sample) |
| 233 | { |
| 234 | int ret = perf_evsel__process_alloc_event(evsel, sample); |
| 235 | |
| 236 | if (!ret) { |
| 237 | int node1 = cpunode_map[sample->cpu], |
| 238 | node2 = perf_evsel__intval(evsel, sample, "node"); |
| 239 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 240 | if (node1 != node2) |
| 241 | nr_cross_allocs++; |
| 242 | } |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 243 | |
| 244 | return ret; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 245 | } |
| 246 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 247 | static int ptr_cmp(struct alloc_stat *, struct alloc_stat *); |
| 248 | static int callsite_cmp(struct alloc_stat *, struct alloc_stat *); |
| 249 | |
| 250 | static struct alloc_stat *search_alloc_stat(unsigned long ptr, |
| 251 | unsigned long call_site, |
| 252 | struct rb_root *root, |
| 253 | sort_fn_t sort_fn) |
| 254 | { |
| 255 | struct rb_node *node = root->rb_node; |
| 256 | struct alloc_stat key = { .ptr = ptr, .call_site = call_site }; |
| 257 | |
| 258 | while (node) { |
| 259 | struct alloc_stat *data; |
| 260 | int cmp; |
| 261 | |
| 262 | data = rb_entry(node, struct alloc_stat, node); |
| 263 | |
| 264 | cmp = sort_fn(&key, data); |
| 265 | if (cmp < 0) |
| 266 | node = node->rb_left; |
| 267 | else if (cmp > 0) |
| 268 | node = node->rb_right; |
| 269 | else |
| 270 | return data; |
| 271 | } |
| 272 | return NULL; |
| 273 | } |
| 274 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 275 | static int perf_evsel__process_free_event(struct perf_evsel *evsel, |
| 276 | struct perf_sample *sample) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 277 | { |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 278 | unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 279 | struct alloc_stat *s_alloc, *s_caller; |
| 280 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 281 | s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp); |
| 282 | if (!s_alloc) |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 283 | return 0; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 284 | |
Arnaldo Carvalho de Melo | 22ad798 | 2012-08-07 10:56:43 -0300 | [diff] [blame] | 285 | if ((short)sample->cpu != s_alloc->alloc_cpu) { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 286 | s_alloc->pingpong++; |
| 287 | |
| 288 | s_caller = search_alloc_stat(0, s_alloc->call_site, |
| 289 | &root_caller_stat, callsite_cmp); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 290 | if (!s_caller) |
| 291 | return -1; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 292 | s_caller->pingpong++; |
| 293 | } |
| 294 | s_alloc->alloc_cpu = -1; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 295 | |
| 296 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 297 | } |
| 298 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 299 | typedef int (*tracepoint_handler)(struct perf_evsel *evsel, |
| 300 | struct perf_sample *sample); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 301 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 302 | static int process_sample_event(struct perf_tool *tool __maybe_unused, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 303 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 304 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 305 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 306 | struct machine *machine) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 307 | { |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 308 | struct thread *thread = machine__findnew_thread(machine, event->ip.pid); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 309 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 310 | if (thread == NULL) { |
| 311 | pr_debug("problem processing %d event, skipping it.\n", |
| 312 | event->header.type); |
| 313 | return -1; |
| 314 | } |
| 315 | |
| 316 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
| 317 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 318 | if (evsel->handler.func != NULL) { |
| 319 | tracepoint_handler f = evsel->handler.func; |
| 320 | return f(evsel, sample); |
| 321 | } |
| 322 | |
| 323 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 324 | } |
| 325 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 326 | static struct perf_tool perf_kmem = { |
| 327 | .sample = process_sample_event, |
| 328 | .comm = perf_event__process_comm, |
| 329 | .ordered_samples = true, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 330 | }; |
| 331 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 332 | static double fragmentation(unsigned long n_req, unsigned long n_alloc) |
| 333 | { |
| 334 | if (n_alloc == 0) |
| 335 | return 0.0; |
| 336 | else |
| 337 | return 100.0 - (100.0 * n_req / n_alloc); |
| 338 | } |
| 339 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 340 | static void __print_result(struct rb_root *root, struct perf_session *session, |
| 341 | int n_lines, int is_caller) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 342 | { |
| 343 | struct rb_node *next; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 344 | struct machine *machine = &session->machines.host; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 345 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 346 | printf("%.102s\n", graph_dotted_line); |
| 347 | printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr"); |
Pekka Enberg | 4710327 | 2010-01-19 19:23:23 +0200 | [diff] [blame] | 348 | printf(" Total_alloc/Per | Total_req/Per | Hit | Ping-pong | Frag\n"); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 349 | printf("%.102s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 350 | |
| 351 | next = rb_first(root); |
| 352 | |
| 353 | while (next && n_lines--) { |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 354 | struct alloc_stat *data = rb_entry(next, struct alloc_stat, |
| 355 | node); |
| 356 | struct symbol *sym = NULL; |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 357 | struct map *map; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 358 | char buf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 359 | u64 addr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 360 | |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 361 | if (is_caller) { |
| 362 | addr = data->call_site; |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 363 | if (!raw_ip) |
Arnaldo Carvalho de Melo | 5c0541d | 2010-04-29 15:25:23 -0300 | [diff] [blame] | 364 | sym = machine__find_kernel_function(machine, addr, &map, NULL); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 365 | } else |
| 366 | addr = data->ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 367 | |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 368 | if (sym != NULL) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 369 | snprintf(buf, sizeof(buf), "%s+%" PRIx64 "", sym->name, |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 370 | addr - map->unmap_ip(map, sym->start)); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 371 | else |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 372 | snprintf(buf, sizeof(buf), "%#" PRIx64 "", addr); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 373 | printf(" %-34s |", buf); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 374 | |
Pekka Enberg | 4710327 | 2010-01-19 19:23:23 +0200 | [diff] [blame] | 375 | printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %8lu | %6.3f%%\n", |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 376 | (unsigned long long)data->bytes_alloc, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 377 | (unsigned long)data->bytes_alloc / data->hit, |
| 378 | (unsigned long long)data->bytes_req, |
| 379 | (unsigned long)data->bytes_req / data->hit, |
| 380 | (unsigned long)data->hit, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 381 | (unsigned long)data->pingpong, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 382 | fragmentation(data->bytes_req, data->bytes_alloc)); |
| 383 | |
| 384 | next = rb_next(next); |
| 385 | } |
| 386 | |
| 387 | if (n_lines == -1) |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 388 | printf(" ... | ... | ... | ... | ... | ... \n"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 389 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 390 | printf("%.102s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | static void print_summary(void) |
| 394 | { |
| 395 | printf("\nSUMMARY\n=======\n"); |
| 396 | printf("Total bytes requested: %lu\n", total_requested); |
| 397 | printf("Total bytes allocated: %lu\n", total_allocated); |
| 398 | printf("Total bytes wasted on internal fragmentation: %lu\n", |
| 399 | total_allocated - total_requested); |
| 400 | printf("Internal fragmentation: %f%%\n", |
| 401 | fragmentation(total_requested, total_allocated)); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 402 | printf("Cross CPU allocations: %lu/%lu\n", nr_cross_allocs, nr_allocs); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 403 | } |
| 404 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 405 | static void print_result(struct perf_session *session) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 406 | { |
| 407 | if (caller_flag) |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 408 | __print_result(&root_caller_sorted, session, caller_lines, 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 409 | if (alloc_flag) |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 410 | __print_result(&root_alloc_sorted, session, alloc_lines, 0); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 411 | print_summary(); |
| 412 | } |
| 413 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 414 | struct sort_dimension { |
| 415 | const char name[20]; |
| 416 | sort_fn_t cmp; |
| 417 | struct list_head list; |
| 418 | }; |
| 419 | |
| 420 | static LIST_HEAD(caller_sort); |
| 421 | static LIST_HEAD(alloc_sort); |
| 422 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 423 | static void sort_insert(struct rb_root *root, struct alloc_stat *data, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 424 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 425 | { |
| 426 | struct rb_node **new = &(root->rb_node); |
| 427 | struct rb_node *parent = NULL; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 428 | struct sort_dimension *sort; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 429 | |
| 430 | while (*new) { |
| 431 | struct alloc_stat *this; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 432 | int cmp = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 433 | |
| 434 | this = rb_entry(*new, struct alloc_stat, node); |
| 435 | parent = *new; |
| 436 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 437 | list_for_each_entry(sort, sort_list, list) { |
| 438 | cmp = sort->cmp(data, this); |
| 439 | if (cmp) |
| 440 | break; |
| 441 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 442 | |
| 443 | if (cmp > 0) |
| 444 | new = &((*new)->rb_left); |
| 445 | else |
| 446 | new = &((*new)->rb_right); |
| 447 | } |
| 448 | |
| 449 | rb_link_node(&data->node, parent, new); |
| 450 | rb_insert_color(&data->node, root); |
| 451 | } |
| 452 | |
| 453 | static void __sort_result(struct rb_root *root, struct rb_root *root_sorted, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 454 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 455 | { |
| 456 | struct rb_node *node; |
| 457 | struct alloc_stat *data; |
| 458 | |
| 459 | for (;;) { |
| 460 | node = rb_first(root); |
| 461 | if (!node) |
| 462 | break; |
| 463 | |
| 464 | rb_erase(node, root); |
| 465 | data = rb_entry(node, struct alloc_stat, node); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 466 | sort_insert(root_sorted, data, sort_list); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
| 470 | static void sort_result(void) |
| 471 | { |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 472 | __sort_result(&root_alloc_stat, &root_alloc_sorted, &alloc_sort); |
| 473 | __sort_result(&root_caller_stat, &root_caller_sorted, &caller_sort); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 474 | } |
| 475 | |
Feng Tang | 70cb4e9 | 2012-10-30 11:56:02 +0800 | [diff] [blame] | 476 | static int __cmd_kmem(void) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 477 | { |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 478 | int err = -EINVAL; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 479 | struct perf_session *session; |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 480 | const struct perf_evsel_str_handler kmem_tracepoints[] = { |
| 481 | { "kmem:kmalloc", perf_evsel__process_alloc_event, }, |
| 482 | { "kmem:kmem_cache_alloc", perf_evsel__process_alloc_event, }, |
| 483 | { "kmem:kmalloc_node", perf_evsel__process_alloc_node_event, }, |
| 484 | { "kmem:kmem_cache_alloc_node", perf_evsel__process_alloc_node_event, }, |
| 485 | { "kmem:kfree", perf_evsel__process_free_event, }, |
| 486 | { "kmem:kmem_cache_free", perf_evsel__process_free_event, }, |
| 487 | }; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 488 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 489 | session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_kmem); |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 490 | if (session == NULL) |
| 491 | return -ENOMEM; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 492 | |
Arnaldo Carvalho de Melo | e727ca7 | 2010-04-01 19:12:13 -0300 | [diff] [blame] | 493 | if (perf_session__create_kernel_maps(session) < 0) |
| 494 | goto out_delete; |
| 495 | |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 496 | if (!perf_session__has_traces(session, "kmem record")) |
| 497 | goto out_delete; |
| 498 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 499 | if (perf_session__set_tracepoints_handlers(session, kmem_tracepoints)) { |
| 500 | pr_err("Initializing perf session tracepoint handlers failed\n"); |
| 501 | return -1; |
| 502 | } |
| 503 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 504 | setup_pager(); |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 505 | err = perf_session__process_events(session, &perf_kmem); |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 506 | if (err != 0) |
| 507 | goto out_delete; |
| 508 | sort_result(); |
| 509 | print_result(session); |
| 510 | out_delete: |
| 511 | perf_session__delete(session); |
| 512 | return err; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 513 | } |
| 514 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 515 | static int ptr_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 516 | { |
| 517 | if (l->ptr < r->ptr) |
| 518 | return -1; |
| 519 | else if (l->ptr > r->ptr) |
| 520 | return 1; |
| 521 | return 0; |
| 522 | } |
| 523 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 524 | static struct sort_dimension ptr_sort_dimension = { |
| 525 | .name = "ptr", |
| 526 | .cmp = ptr_cmp, |
| 527 | }; |
| 528 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 529 | static int callsite_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 530 | { |
| 531 | if (l->call_site < r->call_site) |
| 532 | return -1; |
| 533 | else if (l->call_site > r->call_site) |
| 534 | return 1; |
| 535 | return 0; |
| 536 | } |
| 537 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 538 | static struct sort_dimension callsite_sort_dimension = { |
| 539 | .name = "callsite", |
| 540 | .cmp = callsite_cmp, |
| 541 | }; |
| 542 | |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 543 | static int hit_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 544 | { |
| 545 | if (l->hit < r->hit) |
| 546 | return -1; |
| 547 | else if (l->hit > r->hit) |
| 548 | return 1; |
| 549 | return 0; |
| 550 | } |
| 551 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 552 | static struct sort_dimension hit_sort_dimension = { |
| 553 | .name = "hit", |
| 554 | .cmp = hit_cmp, |
| 555 | }; |
| 556 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 557 | static int bytes_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 558 | { |
| 559 | if (l->bytes_alloc < r->bytes_alloc) |
| 560 | return -1; |
| 561 | else if (l->bytes_alloc > r->bytes_alloc) |
| 562 | return 1; |
| 563 | return 0; |
| 564 | } |
| 565 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 566 | static struct sort_dimension bytes_sort_dimension = { |
| 567 | .name = "bytes", |
| 568 | .cmp = bytes_cmp, |
| 569 | }; |
| 570 | |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 571 | static int frag_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 572 | { |
| 573 | double x, y; |
| 574 | |
| 575 | x = fragmentation(l->bytes_req, l->bytes_alloc); |
| 576 | y = fragmentation(r->bytes_req, r->bytes_alloc); |
| 577 | |
| 578 | if (x < y) |
| 579 | return -1; |
| 580 | else if (x > y) |
| 581 | return 1; |
| 582 | return 0; |
| 583 | } |
| 584 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 585 | static struct sort_dimension frag_sort_dimension = { |
| 586 | .name = "frag", |
| 587 | .cmp = frag_cmp, |
| 588 | }; |
| 589 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 590 | static int pingpong_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 591 | { |
| 592 | if (l->pingpong < r->pingpong) |
| 593 | return -1; |
| 594 | else if (l->pingpong > r->pingpong) |
| 595 | return 1; |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | static struct sort_dimension pingpong_sort_dimension = { |
| 600 | .name = "pingpong", |
| 601 | .cmp = pingpong_cmp, |
| 602 | }; |
| 603 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 604 | static struct sort_dimension *avail_sorts[] = { |
| 605 | &ptr_sort_dimension, |
| 606 | &callsite_sort_dimension, |
| 607 | &hit_sort_dimension, |
| 608 | &bytes_sort_dimension, |
| 609 | &frag_sort_dimension, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 610 | &pingpong_sort_dimension, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 611 | }; |
| 612 | |
Sasha Levin | 49e4ba5 | 2012-12-20 14:11:16 -0500 | [diff] [blame] | 613 | #define NUM_AVAIL_SORTS ((int)ARRAY_SIZE(avail_sorts)) |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 614 | |
| 615 | static int sort_dimension__add(const char *tok, struct list_head *list) |
| 616 | { |
| 617 | struct sort_dimension *sort; |
| 618 | int i; |
| 619 | |
| 620 | for (i = 0; i < NUM_AVAIL_SORTS; i++) { |
| 621 | if (!strcmp(avail_sorts[i]->name, tok)) { |
Arnaldo Carvalho de Melo | 8d9233f | 2013-01-24 22:24:57 -0300 | [diff] [blame] | 622 | sort = memdup(avail_sorts[i], sizeof(*avail_sorts[i])); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 623 | if (!sort) { |
Arnaldo Carvalho de Melo | 8d9233f | 2013-01-24 22:24:57 -0300 | [diff] [blame] | 624 | pr_err("%s: memdup failed\n", __func__); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 625 | return -1; |
| 626 | } |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 627 | list_add_tail(&sort->list, list); |
| 628 | return 0; |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | return -1; |
| 633 | } |
| 634 | |
| 635 | static int setup_sorting(struct list_head *sort_list, const char *arg) |
| 636 | { |
| 637 | char *tok; |
| 638 | char *str = strdup(arg); |
| 639 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 640 | if (!str) { |
| 641 | pr_err("%s: strdup failed\n", __func__); |
| 642 | return -1; |
| 643 | } |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 644 | |
| 645 | while (true) { |
| 646 | tok = strsep(&str, ","); |
| 647 | if (!tok) |
| 648 | break; |
| 649 | if (sort_dimension__add(tok, sort_list) < 0) { |
| 650 | error("Unknown --sort key: '%s'", tok); |
Namhyung Kim | 1b22859 | 2012-01-08 02:25:29 +0900 | [diff] [blame] | 651 | free(str); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 652 | return -1; |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | free(str); |
| 657 | return 0; |
| 658 | } |
| 659 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 660 | static int parse_sort_opt(const struct option *opt __maybe_unused, |
| 661 | const char *arg, int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 662 | { |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 663 | if (!arg) |
| 664 | return -1; |
| 665 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 666 | if (caller_flag > alloc_flag) |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 667 | return setup_sorting(&caller_sort, arg); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 668 | else |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 669 | return setup_sorting(&alloc_sort, arg); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 670 | |
| 671 | return 0; |
| 672 | } |
| 673 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 674 | static int parse_caller_opt(const struct option *opt __maybe_unused, |
| 675 | const char *arg __maybe_unused, |
| 676 | int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 677 | { |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 678 | caller_flag = (alloc_flag + 1); |
| 679 | return 0; |
| 680 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 681 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 682 | static int parse_alloc_opt(const struct option *opt __maybe_unused, |
| 683 | const char *arg __maybe_unused, |
| 684 | int unset __maybe_unused) |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 685 | { |
| 686 | alloc_flag = (caller_flag + 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 687 | return 0; |
| 688 | } |
| 689 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 690 | static int parse_line_opt(const struct option *opt __maybe_unused, |
| 691 | const char *arg, int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 692 | { |
| 693 | int lines; |
| 694 | |
| 695 | if (!arg) |
| 696 | return -1; |
| 697 | |
| 698 | lines = strtoul(arg, NULL, 10); |
| 699 | |
| 700 | if (caller_flag > alloc_flag) |
| 701 | caller_lines = lines; |
| 702 | else |
| 703 | alloc_lines = lines; |
| 704 | |
| 705 | return 0; |
| 706 | } |
| 707 | |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 708 | static int __cmd_record(int argc, const char **argv) |
| 709 | { |
| 710 | const char * const record_args[] = { |
Jiri Olsa | 4a4d371 | 2013-06-05 13:37:21 +0200 | [diff] [blame] | 711 | "record", "-a", "-R", "-c", "1", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 712 | "-e", "kmem:kmalloc", |
| 713 | "-e", "kmem:kmalloc_node", |
| 714 | "-e", "kmem:kfree", |
| 715 | "-e", "kmem:kmem_cache_alloc", |
| 716 | "-e", "kmem:kmem_cache_alloc_node", |
| 717 | "-e", "kmem:kmem_cache_free", |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 718 | }; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 719 | unsigned int rec_argc, i, j; |
| 720 | const char **rec_argv; |
| 721 | |
| 722 | rec_argc = ARRAY_SIZE(record_args) + argc - 1; |
| 723 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 724 | |
Chris Samuel | ce47dc5 | 2010-11-13 13:35:06 +1100 | [diff] [blame] | 725 | if (rec_argv == NULL) |
| 726 | return -ENOMEM; |
| 727 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 728 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
| 729 | rec_argv[i] = strdup(record_args[i]); |
| 730 | |
| 731 | for (j = 1; j < (unsigned int)argc; j++, i++) |
| 732 | rec_argv[i] = argv[j]; |
| 733 | |
| 734 | return cmd_record(i, rec_argv, NULL); |
| 735 | } |
| 736 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 737 | int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 738 | { |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 739 | const char * const default_sort_order = "frag,hit,bytes"; |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 740 | const struct option kmem_options[] = { |
| 741 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
| 742 | OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL, |
| 743 | "show per-callsite statistics", parse_caller_opt), |
| 744 | OPT_CALLBACK_NOOPT(0, "alloc", NULL, NULL, |
| 745 | "show per-allocation statistics", parse_alloc_opt), |
| 746 | OPT_CALLBACK('s', "sort", NULL, "key[,key2...]", |
| 747 | "sort by keys: ptr, call_site, bytes, hit, pingpong, frag", |
| 748 | parse_sort_opt), |
| 749 | OPT_CALLBACK('l', "line", NULL, "num", "show n lines", parse_line_opt), |
| 750 | OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"), |
| 751 | OPT_END() |
| 752 | }; |
| 753 | const char * const kmem_usage[] = { |
| 754 | "perf kmem [<options>] {record|stat}", |
| 755 | NULL |
| 756 | }; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 757 | argc = parse_options(argc, argv, kmem_options, kmem_usage, 0); |
| 758 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 759 | if (!argc) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 760 | usage_with_options(kmem_usage, kmem_options); |
| 761 | |
Arnaldo Carvalho de Melo | 655000e | 2009-12-15 20:04:40 -0200 | [diff] [blame] | 762 | symbol__init(); |
| 763 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 764 | if (!strncmp(argv[0], "rec", 3)) { |
| 765 | return __cmd_record(argc, argv); |
| 766 | } else if (!strcmp(argv[0], "stat")) { |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 767 | if (setup_cpunode_map()) |
| 768 | return -1; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 769 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 770 | if (list_empty(&caller_sort)) |
| 771 | setup_sorting(&caller_sort, default_sort_order); |
| 772 | if (list_empty(&alloc_sort)) |
| 773 | setup_sorting(&alloc_sort, default_sort_order); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 774 | |
Feng Tang | 70cb4e9 | 2012-10-30 11:56:02 +0800 | [diff] [blame] | 775 | return __cmd_kmem(); |
Pekka Enberg | b00eca8 | 2010-01-19 19:26:11 +0200 | [diff] [blame] | 776 | } else |
| 777 | usage_with_options(kmem_usage, kmem_options); |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 778 | |
| 779 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 780 | } |
| 781 | |