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 | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 4 | #include "util/evsel.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 5 | #include "util/util.h" |
| 6 | #include "util/cache.h" |
| 7 | #include "util/symbol.h" |
| 8 | #include "util/thread.h" |
| 9 | #include "util/header.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 10 | #include "util/session.h" |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame] | 11 | #include "util/tool.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 12 | |
| 13 | #include "util/parse-options.h" |
| 14 | #include "util/trace-event.h" |
| 15 | |
| 16 | #include "util/debug.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 17 | |
| 18 | #include <linux/rbtree.h> |
| 19 | |
| 20 | struct alloc_stat; |
| 21 | typedef int (*sort_fn_t)(struct alloc_stat *, struct alloc_stat *); |
| 22 | |
Robert Richter | efad141 | 2011-12-07 10:02:54 +0100 | [diff] [blame] | 23 | static const char *input_name; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 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 | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 33 | static char default_sort_order[] = "frag,hit,bytes"; |
| 34 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 35 | static int *cpunode_map; |
| 36 | static int max_cpu_num; |
| 37 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 38 | struct alloc_stat { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 39 | u64 call_site; |
| 40 | u64 ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 41 | u64 bytes_req; |
| 42 | u64 bytes_alloc; |
| 43 | u32 hit; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 44 | u32 pingpong; |
| 45 | |
| 46 | short alloc_cpu; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 47 | |
| 48 | struct rb_node node; |
| 49 | }; |
| 50 | |
| 51 | static struct rb_root root_alloc_stat; |
| 52 | static struct rb_root root_alloc_sorted; |
| 53 | static struct rb_root root_caller_stat; |
| 54 | static struct rb_root root_caller_sorted; |
| 55 | |
| 56 | static unsigned long total_requested, total_allocated; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 57 | static unsigned long nr_allocs, nr_cross_allocs; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 58 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 59 | #define PATH_SYS_NODE "/sys/devices/system/node" |
| 60 | |
| 61 | static void init_cpunode_map(void) |
| 62 | { |
| 63 | FILE *fp; |
| 64 | int i; |
| 65 | |
| 66 | fp = fopen("/sys/devices/system/cpu/kernel_max", "r"); |
| 67 | if (!fp) { |
| 68 | max_cpu_num = 4096; |
| 69 | return; |
| 70 | } |
| 71 | |
| 72 | if (fscanf(fp, "%d", &max_cpu_num) < 1) |
| 73 | die("Failed to read 'kernel_max' from sysfs"); |
| 74 | max_cpu_num++; |
| 75 | |
| 76 | cpunode_map = calloc(max_cpu_num, sizeof(int)); |
| 77 | if (!cpunode_map) |
| 78 | die("calloc"); |
| 79 | for (i = 0; i < max_cpu_num; i++) |
| 80 | cpunode_map[i] = -1; |
| 81 | fclose(fp); |
| 82 | } |
| 83 | |
| 84 | static void setup_cpunode_map(void) |
| 85 | { |
| 86 | struct dirent *dent1, *dent2; |
| 87 | DIR *dir1, *dir2; |
| 88 | unsigned int cpu, mem; |
| 89 | char buf[PATH_MAX]; |
| 90 | |
| 91 | init_cpunode_map(); |
| 92 | |
| 93 | dir1 = opendir(PATH_SYS_NODE); |
| 94 | if (!dir1) |
| 95 | return; |
| 96 | |
Ulrich Drepper | 659d8cf | 2009-12-19 16:40:28 -0500 | [diff] [blame] | 97 | while ((dent1 = readdir(dir1)) != NULL) { |
| 98 | if (dent1->d_type != DT_DIR || |
| 99 | sscanf(dent1->d_name, "node%u", &mem) < 1) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 100 | continue; |
| 101 | |
| 102 | snprintf(buf, PATH_MAX, "%s/%s", PATH_SYS_NODE, dent1->d_name); |
| 103 | dir2 = opendir(buf); |
| 104 | if (!dir2) |
| 105 | continue; |
Ulrich Drepper | 659d8cf | 2009-12-19 16:40:28 -0500 | [diff] [blame] | 106 | while ((dent2 = readdir(dir2)) != NULL) { |
| 107 | if (dent2->d_type != DT_LNK || |
| 108 | sscanf(dent2->d_name, "cpu%u", &cpu) < 1) |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 109 | continue; |
| 110 | cpunode_map[cpu] = mem; |
| 111 | } |
Namhyung Kim | 8442da1 | 2012-01-08 02:25:28 +0900 | [diff] [blame] | 112 | closedir(dir2); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 113 | } |
Namhyung Kim | 8442da1 | 2012-01-08 02:25:28 +0900 | [diff] [blame] | 114 | closedir(dir1); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 115 | } |
| 116 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 117 | static void insert_alloc_stat(unsigned long call_site, unsigned long ptr, |
| 118 | int bytes_req, int bytes_alloc, int cpu) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 119 | { |
| 120 | struct rb_node **node = &root_alloc_stat.rb_node; |
| 121 | struct rb_node *parent = NULL; |
| 122 | struct alloc_stat *data = NULL; |
| 123 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 124 | while (*node) { |
| 125 | parent = *node; |
| 126 | data = rb_entry(*node, struct alloc_stat, node); |
| 127 | |
| 128 | if (ptr > data->ptr) |
| 129 | node = &(*node)->rb_right; |
| 130 | else if (ptr < data->ptr) |
| 131 | node = &(*node)->rb_left; |
| 132 | else |
| 133 | break; |
| 134 | } |
| 135 | |
| 136 | if (data && data->ptr == ptr) { |
| 137 | data->hit++; |
| 138 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 139 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 140 | } else { |
| 141 | data = malloc(sizeof(*data)); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 142 | if (!data) |
| 143 | die("malloc"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 144 | data->ptr = ptr; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 145 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 146 | data->hit = 1; |
| 147 | data->bytes_req = bytes_req; |
| 148 | data->bytes_alloc = bytes_alloc; |
| 149 | |
| 150 | rb_link_node(&data->node, parent, node); |
| 151 | rb_insert_color(&data->node, &root_alloc_stat); |
| 152 | } |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 153 | data->call_site = call_site; |
| 154 | data->alloc_cpu = cpu; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | static void insert_caller_stat(unsigned long call_site, |
| 158 | int bytes_req, int bytes_alloc) |
| 159 | { |
| 160 | struct rb_node **node = &root_caller_stat.rb_node; |
| 161 | struct rb_node *parent = NULL; |
| 162 | struct alloc_stat *data = NULL; |
| 163 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 164 | while (*node) { |
| 165 | parent = *node; |
| 166 | data = rb_entry(*node, struct alloc_stat, node); |
| 167 | |
| 168 | if (call_site > data->call_site) |
| 169 | node = &(*node)->rb_right; |
| 170 | else if (call_site < data->call_site) |
| 171 | node = &(*node)->rb_left; |
| 172 | else |
| 173 | break; |
| 174 | } |
| 175 | |
| 176 | if (data && data->call_site == call_site) { |
| 177 | data->hit++; |
| 178 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 179 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 180 | } else { |
| 181 | data = malloc(sizeof(*data)); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 182 | if (!data) |
| 183 | die("malloc"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 184 | data->call_site = call_site; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 185 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 186 | data->hit = 1; |
| 187 | data->bytes_req = bytes_req; |
| 188 | data->bytes_alloc = bytes_alloc; |
| 189 | |
| 190 | rb_link_node(&data->node, parent, node); |
| 191 | rb_insert_color(&data->node, &root_caller_stat); |
| 192 | } |
| 193 | } |
| 194 | |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 195 | static void process_alloc_event(void *data, |
Steven Rostedt | aaf045f | 2012-04-06 00:47:56 +0200 | [diff] [blame] | 196 | struct event_format *event, |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 197 | int cpu, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 198 | u64 timestamp __used, |
| 199 | struct thread *thread __used, |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 200 | int node) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 201 | { |
| 202 | unsigned long call_site; |
| 203 | unsigned long ptr; |
| 204 | int bytes_req; |
| 205 | int bytes_alloc; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 206 | int node1, node2; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 207 | |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 208 | ptr = raw_field_value(event, "ptr", data); |
| 209 | call_site = raw_field_value(event, "call_site", data); |
| 210 | bytes_req = raw_field_value(event, "bytes_req", data); |
| 211 | bytes_alloc = raw_field_value(event, "bytes_alloc", data); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 212 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 213 | insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 214 | insert_caller_stat(call_site, bytes_req, bytes_alloc); |
| 215 | |
| 216 | total_requested += bytes_req; |
| 217 | total_allocated += bytes_alloc; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 218 | |
| 219 | if (node) { |
| 220 | node1 = cpunode_map[cpu]; |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 221 | node2 = raw_field_value(event, "node", data); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 222 | if (node1 != node2) |
| 223 | nr_cross_allocs++; |
| 224 | } |
| 225 | nr_allocs++; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 226 | } |
| 227 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 228 | static int ptr_cmp(struct alloc_stat *, struct alloc_stat *); |
| 229 | static int callsite_cmp(struct alloc_stat *, struct alloc_stat *); |
| 230 | |
| 231 | static struct alloc_stat *search_alloc_stat(unsigned long ptr, |
| 232 | unsigned long call_site, |
| 233 | struct rb_root *root, |
| 234 | sort_fn_t sort_fn) |
| 235 | { |
| 236 | struct rb_node *node = root->rb_node; |
| 237 | struct alloc_stat key = { .ptr = ptr, .call_site = call_site }; |
| 238 | |
| 239 | while (node) { |
| 240 | struct alloc_stat *data; |
| 241 | int cmp; |
| 242 | |
| 243 | data = rb_entry(node, struct alloc_stat, node); |
| 244 | |
| 245 | cmp = sort_fn(&key, data); |
| 246 | if (cmp < 0) |
| 247 | node = node->rb_left; |
| 248 | else if (cmp > 0) |
| 249 | node = node->rb_right; |
| 250 | else |
| 251 | return data; |
| 252 | } |
| 253 | return NULL; |
| 254 | } |
| 255 | |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 256 | static void process_free_event(void *data, |
Steven Rostedt | aaf045f | 2012-04-06 00:47:56 +0200 | [diff] [blame] | 257 | struct event_format *event, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 258 | int cpu, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 259 | u64 timestamp __used, |
| 260 | struct thread *thread __used) |
| 261 | { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 262 | unsigned long ptr; |
| 263 | struct alloc_stat *s_alloc, *s_caller; |
| 264 | |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 265 | ptr = raw_field_value(event, "ptr", data); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 266 | |
| 267 | s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp); |
| 268 | if (!s_alloc) |
| 269 | return; |
| 270 | |
| 271 | if (cpu != s_alloc->alloc_cpu) { |
| 272 | s_alloc->pingpong++; |
| 273 | |
| 274 | s_caller = search_alloc_stat(0, s_alloc->call_site, |
| 275 | &root_caller_stat, callsite_cmp); |
| 276 | assert(s_caller); |
| 277 | s_caller->pingpong++; |
| 278 | } |
| 279 | s_alloc->alloc_cpu = -1; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 280 | } |
| 281 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 282 | static void process_raw_event(struct perf_evsel *evsel, void *data, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 283 | int cpu, u64 timestamp, struct thread *thread) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 284 | { |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 285 | struct event_format *event = evsel->tp_format; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 286 | |
| 287 | if (!strcmp(event->name, "kmalloc") || |
| 288 | !strcmp(event->name, "kmem_cache_alloc")) { |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 289 | process_alloc_event(data, event, cpu, timestamp, thread, 0); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 290 | return; |
| 291 | } |
| 292 | |
| 293 | if (!strcmp(event->name, "kmalloc_node") || |
| 294 | !strcmp(event->name, "kmem_cache_alloc_node")) { |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 295 | process_alloc_event(data, event, cpu, timestamp, thread, 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 296 | return; |
| 297 | } |
| 298 | |
| 299 | if (!strcmp(event->name, "kfree") || |
| 300 | !strcmp(event->name, "kmem_cache_free")) { |
Xiao Guangrong | f48f669 | 2009-12-07 13:04:04 +0800 | [diff] [blame] | 301 | process_free_event(data, event, cpu, timestamp, thread); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 302 | return; |
| 303 | } |
| 304 | } |
| 305 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 306 | static int process_sample_event(struct perf_tool *tool __used, |
Arnaldo Carvalho de Melo | d20deb6 | 2011-11-25 08:19:45 -0200 | [diff] [blame] | 307 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 308 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 309 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 310 | struct machine *machine) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 311 | { |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 312 | struct thread *thread = machine__findnew_thread(machine, event->ip.pid); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 313 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 314 | if (thread == NULL) { |
| 315 | pr_debug("problem processing %d event, skipping it.\n", |
| 316 | event->header.type); |
| 317 | return -1; |
| 318 | } |
| 319 | |
| 320 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
| 321 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 322 | process_raw_event(evsel, sample->raw_data, sample->cpu, |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 323 | sample->time, thread); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 324 | |
| 325 | return 0; |
| 326 | } |
| 327 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 328 | static struct perf_tool perf_kmem = { |
| 329 | .sample = process_sample_event, |
| 330 | .comm = perf_event__process_comm, |
| 331 | .ordered_samples = true, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 332 | }; |
| 333 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 334 | static double fragmentation(unsigned long n_req, unsigned long n_alloc) |
| 335 | { |
| 336 | if (n_alloc == 0) |
| 337 | return 0.0; |
| 338 | else |
| 339 | return 100.0 - (100.0 * n_req / n_alloc); |
| 340 | } |
| 341 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 342 | static void __print_result(struct rb_root *root, struct perf_session *session, |
| 343 | int n_lines, int is_caller) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 344 | { |
| 345 | struct rb_node *next; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 346 | struct machine *machine; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 347 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 348 | printf("%.102s\n", graph_dotted_line); |
| 349 | printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr"); |
Pekka Enberg | 4710327 | 2010-01-19 19:23:23 +0200 | [diff] [blame] | 350 | printf(" Total_alloc/Per | Total_req/Per | Hit | Ping-pong | Frag\n"); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 351 | printf("%.102s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 352 | |
| 353 | next = rb_first(root); |
| 354 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 355 | machine = perf_session__find_host_machine(session); |
| 356 | if (!machine) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 357 | pr_err("__print_result: couldn't find kernel information\n"); |
| 358 | return; |
| 359 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 360 | while (next && n_lines--) { |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 361 | struct alloc_stat *data = rb_entry(next, struct alloc_stat, |
| 362 | node); |
| 363 | struct symbol *sym = NULL; |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 364 | struct map *map; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 365 | char buf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 366 | u64 addr; |
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 (is_caller) { |
| 369 | addr = data->call_site; |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 370 | if (!raw_ip) |
Arnaldo Carvalho de Melo | 5c0541d | 2010-04-29 15:25:23 -0300 | [diff] [blame] | 371 | sym = machine__find_kernel_function(machine, addr, &map, NULL); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 372 | } else |
| 373 | addr = data->ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 374 | |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 375 | if (sym != NULL) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 376 | snprintf(buf, sizeof(buf), "%s+%" PRIx64 "", sym->name, |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 377 | addr - map->unmap_ip(map, sym->start)); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 378 | else |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 379 | snprintf(buf, sizeof(buf), "%#" PRIx64 "", addr); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 380 | printf(" %-34s |", buf); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 381 | |
Pekka Enberg | 4710327 | 2010-01-19 19:23:23 +0200 | [diff] [blame] | 382 | printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %8lu | %6.3f%%\n", |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 383 | (unsigned long long)data->bytes_alloc, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 384 | (unsigned long)data->bytes_alloc / data->hit, |
| 385 | (unsigned long long)data->bytes_req, |
| 386 | (unsigned long)data->bytes_req / data->hit, |
| 387 | (unsigned long)data->hit, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 388 | (unsigned long)data->pingpong, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 389 | fragmentation(data->bytes_req, data->bytes_alloc)); |
| 390 | |
| 391 | next = rb_next(next); |
| 392 | } |
| 393 | |
| 394 | if (n_lines == -1) |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 395 | printf(" ... | ... | ... | ... | ... | ... \n"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 396 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 397 | printf("%.102s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | static void print_summary(void) |
| 401 | { |
| 402 | printf("\nSUMMARY\n=======\n"); |
| 403 | printf("Total bytes requested: %lu\n", total_requested); |
| 404 | printf("Total bytes allocated: %lu\n", total_allocated); |
| 405 | printf("Total bytes wasted on internal fragmentation: %lu\n", |
| 406 | total_allocated - total_requested); |
| 407 | printf("Internal fragmentation: %f%%\n", |
| 408 | fragmentation(total_requested, total_allocated)); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 409 | printf("Cross CPU allocations: %lu/%lu\n", nr_cross_allocs, nr_allocs); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 410 | } |
| 411 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 412 | static void print_result(struct perf_session *session) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 413 | { |
| 414 | if (caller_flag) |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 415 | __print_result(&root_caller_sorted, session, caller_lines, 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 416 | if (alloc_flag) |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 417 | __print_result(&root_alloc_sorted, session, alloc_lines, 0); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 418 | print_summary(); |
| 419 | } |
| 420 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 421 | struct sort_dimension { |
| 422 | const char name[20]; |
| 423 | sort_fn_t cmp; |
| 424 | struct list_head list; |
| 425 | }; |
| 426 | |
| 427 | static LIST_HEAD(caller_sort); |
| 428 | static LIST_HEAD(alloc_sort); |
| 429 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 430 | static void sort_insert(struct rb_root *root, struct alloc_stat *data, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 431 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 432 | { |
| 433 | struct rb_node **new = &(root->rb_node); |
| 434 | struct rb_node *parent = NULL; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 435 | struct sort_dimension *sort; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 436 | |
| 437 | while (*new) { |
| 438 | struct alloc_stat *this; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 439 | int cmp = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 440 | |
| 441 | this = rb_entry(*new, struct alloc_stat, node); |
| 442 | parent = *new; |
| 443 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 444 | list_for_each_entry(sort, sort_list, list) { |
| 445 | cmp = sort->cmp(data, this); |
| 446 | if (cmp) |
| 447 | break; |
| 448 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 449 | |
| 450 | if (cmp > 0) |
| 451 | new = &((*new)->rb_left); |
| 452 | else |
| 453 | new = &((*new)->rb_right); |
| 454 | } |
| 455 | |
| 456 | rb_link_node(&data->node, parent, new); |
| 457 | rb_insert_color(&data->node, root); |
| 458 | } |
| 459 | |
| 460 | 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] | 461 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 462 | { |
| 463 | struct rb_node *node; |
| 464 | struct alloc_stat *data; |
| 465 | |
| 466 | for (;;) { |
| 467 | node = rb_first(root); |
| 468 | if (!node) |
| 469 | break; |
| 470 | |
| 471 | rb_erase(node, root); |
| 472 | data = rb_entry(node, struct alloc_stat, node); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 473 | sort_insert(root_sorted, data, sort_list); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 474 | } |
| 475 | } |
| 476 | |
| 477 | static void sort_result(void) |
| 478 | { |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 479 | __sort_result(&root_alloc_stat, &root_alloc_sorted, &alloc_sort); |
| 480 | __sort_result(&root_caller_stat, &root_caller_sorted, &caller_sort); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 481 | } |
| 482 | |
| 483 | static int __cmd_kmem(void) |
| 484 | { |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 485 | int err = -EINVAL; |
Arnaldo Carvalho de Melo | da37896 | 2012-06-27 13:08:42 -0300 | [diff] [blame] | 486 | struct perf_session *session; |
| 487 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 488 | 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] | 489 | if (session == NULL) |
| 490 | return -ENOMEM; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 491 | |
Arnaldo Carvalho de Melo | e727ca7 | 2010-04-01 19:12:13 -0300 | [diff] [blame] | 492 | if (perf_session__create_kernel_maps(session) < 0) |
| 493 | goto out_delete; |
| 494 | |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 495 | if (!perf_session__has_traces(session, "kmem record")) |
| 496 | goto out_delete; |
| 497 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 498 | setup_pager(); |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame^] | 499 | err = perf_session__process_events(session, &perf_kmem); |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 500 | if (err != 0) |
| 501 | goto out_delete; |
| 502 | sort_result(); |
| 503 | print_result(session); |
| 504 | out_delete: |
| 505 | perf_session__delete(session); |
| 506 | return err; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | static const char * const kmem_usage[] = { |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 510 | "perf kmem [<options>] {record|stat}", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 511 | NULL |
| 512 | }; |
| 513 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 514 | static int ptr_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 515 | { |
| 516 | if (l->ptr < r->ptr) |
| 517 | return -1; |
| 518 | else if (l->ptr > r->ptr) |
| 519 | return 1; |
| 520 | return 0; |
| 521 | } |
| 522 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 523 | static struct sort_dimension ptr_sort_dimension = { |
| 524 | .name = "ptr", |
| 525 | .cmp = ptr_cmp, |
| 526 | }; |
| 527 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 528 | static int callsite_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 529 | { |
| 530 | if (l->call_site < r->call_site) |
| 531 | return -1; |
| 532 | else if (l->call_site > r->call_site) |
| 533 | return 1; |
| 534 | return 0; |
| 535 | } |
| 536 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 537 | static struct sort_dimension callsite_sort_dimension = { |
| 538 | .name = "callsite", |
| 539 | .cmp = callsite_cmp, |
| 540 | }; |
| 541 | |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 542 | static int hit_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 543 | { |
| 544 | if (l->hit < r->hit) |
| 545 | return -1; |
| 546 | else if (l->hit > r->hit) |
| 547 | return 1; |
| 548 | return 0; |
| 549 | } |
| 550 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 551 | static struct sort_dimension hit_sort_dimension = { |
| 552 | .name = "hit", |
| 553 | .cmp = hit_cmp, |
| 554 | }; |
| 555 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 556 | static int bytes_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 557 | { |
| 558 | if (l->bytes_alloc < r->bytes_alloc) |
| 559 | return -1; |
| 560 | else if (l->bytes_alloc > r->bytes_alloc) |
| 561 | return 1; |
| 562 | return 0; |
| 563 | } |
| 564 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 565 | static struct sort_dimension bytes_sort_dimension = { |
| 566 | .name = "bytes", |
| 567 | .cmp = bytes_cmp, |
| 568 | }; |
| 569 | |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 570 | static int frag_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 571 | { |
| 572 | double x, y; |
| 573 | |
| 574 | x = fragmentation(l->bytes_req, l->bytes_alloc); |
| 575 | y = fragmentation(r->bytes_req, r->bytes_alloc); |
| 576 | |
| 577 | if (x < y) |
| 578 | return -1; |
| 579 | else if (x > y) |
| 580 | return 1; |
| 581 | return 0; |
| 582 | } |
| 583 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 584 | static struct sort_dimension frag_sort_dimension = { |
| 585 | .name = "frag", |
| 586 | .cmp = frag_cmp, |
| 587 | }; |
| 588 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 589 | static int pingpong_cmp(struct alloc_stat *l, struct alloc_stat *r) |
| 590 | { |
| 591 | if (l->pingpong < r->pingpong) |
| 592 | return -1; |
| 593 | else if (l->pingpong > r->pingpong) |
| 594 | return 1; |
| 595 | return 0; |
| 596 | } |
| 597 | |
| 598 | static struct sort_dimension pingpong_sort_dimension = { |
| 599 | .name = "pingpong", |
| 600 | .cmp = pingpong_cmp, |
| 601 | }; |
| 602 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 603 | static struct sort_dimension *avail_sorts[] = { |
| 604 | &ptr_sort_dimension, |
| 605 | &callsite_sort_dimension, |
| 606 | &hit_sort_dimension, |
| 607 | &bytes_sort_dimension, |
| 608 | &frag_sort_dimension, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 609 | &pingpong_sort_dimension, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 610 | }; |
| 611 | |
| 612 | #define NUM_AVAIL_SORTS \ |
| 613 | (int)(sizeof(avail_sorts) / sizeof(struct sort_dimension *)) |
| 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)) { |
| 622 | sort = malloc(sizeof(*sort)); |
| 623 | if (!sort) |
| 624 | die("malloc"); |
| 625 | memcpy(sort, avail_sorts[i], sizeof(*sort)); |
| 626 | list_add_tail(&sort->list, list); |
| 627 | return 0; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | return -1; |
| 632 | } |
| 633 | |
| 634 | static int setup_sorting(struct list_head *sort_list, const char *arg) |
| 635 | { |
| 636 | char *tok; |
| 637 | char *str = strdup(arg); |
| 638 | |
| 639 | if (!str) |
| 640 | die("strdup"); |
| 641 | |
| 642 | while (true) { |
| 643 | tok = strsep(&str, ","); |
| 644 | if (!tok) |
| 645 | break; |
| 646 | if (sort_dimension__add(tok, sort_list) < 0) { |
| 647 | error("Unknown --sort key: '%s'", tok); |
Namhyung Kim | 1b22859 | 2012-01-08 02:25:29 +0900 | [diff] [blame] | 648 | free(str); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 649 | return -1; |
| 650 | } |
| 651 | } |
| 652 | |
| 653 | free(str); |
| 654 | return 0; |
| 655 | } |
| 656 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 657 | static int parse_sort_opt(const struct option *opt __used, |
| 658 | const char *arg, int unset __used) |
| 659 | { |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 660 | if (!arg) |
| 661 | return -1; |
| 662 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 663 | if (caller_flag > alloc_flag) |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 664 | return setup_sorting(&caller_sort, arg); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 665 | else |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 666 | return setup_sorting(&alloc_sort, arg); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 667 | |
| 668 | return 0; |
| 669 | } |
| 670 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 671 | static int parse_caller_opt(const struct option *opt __used, |
Ingo Molnar | 7931241 | 2009-12-10 08:43:34 +0100 | [diff] [blame] | 672 | const char *arg __used, int unset __used) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 673 | { |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 674 | caller_flag = (alloc_flag + 1); |
| 675 | return 0; |
| 676 | } |
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 | static int parse_alloc_opt(const struct option *opt __used, |
Ingo Molnar | 7931241 | 2009-12-10 08:43:34 +0100 | [diff] [blame] | 679 | const char *arg __used, int unset __used) |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 680 | { |
| 681 | alloc_flag = (caller_flag + 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | static int parse_line_opt(const struct option *opt __used, |
| 686 | const char *arg, int unset __used) |
| 687 | { |
| 688 | int lines; |
| 689 | |
| 690 | if (!arg) |
| 691 | return -1; |
| 692 | |
| 693 | lines = strtoul(arg, NULL, 10); |
| 694 | |
| 695 | if (caller_flag > alloc_flag) |
| 696 | caller_lines = lines; |
| 697 | else |
| 698 | alloc_lines = lines; |
| 699 | |
| 700 | return 0; |
| 701 | } |
| 702 | |
| 703 | static const struct option kmem_options[] = { |
| 704 | OPT_STRING('i', "input", &input_name, "file", |
| 705 | "input file name"), |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 706 | OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL, |
| 707 | "show per-callsite statistics", |
| 708 | parse_caller_opt), |
| 709 | OPT_CALLBACK_NOOPT(0, "alloc", NULL, NULL, |
| 710 | "show per-allocation statistics", |
| 711 | parse_alloc_opt), |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 712 | OPT_CALLBACK('s', "sort", NULL, "key[,key2...]", |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 713 | "sort by keys: ptr, call_site, bytes, hit, pingpong, frag", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 714 | parse_sort_opt), |
| 715 | OPT_CALLBACK('l', "line", NULL, "num", |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 716 | "show n lines", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 717 | parse_line_opt), |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 718 | OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"), |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 719 | OPT_END() |
| 720 | }; |
| 721 | |
| 722 | static const char *record_args[] = { |
| 723 | "record", |
| 724 | "-a", |
| 725 | "-R", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 726 | "-f", |
| 727 | "-c", "1", |
| 728 | "-e", "kmem:kmalloc", |
| 729 | "-e", "kmem:kmalloc_node", |
| 730 | "-e", "kmem:kfree", |
| 731 | "-e", "kmem:kmem_cache_alloc", |
| 732 | "-e", "kmem:kmem_cache_alloc_node", |
| 733 | "-e", "kmem:kmem_cache_free", |
| 734 | }; |
| 735 | |
| 736 | static int __cmd_record(int argc, const char **argv) |
| 737 | { |
| 738 | unsigned int rec_argc, i, j; |
| 739 | const char **rec_argv; |
| 740 | |
| 741 | rec_argc = ARRAY_SIZE(record_args) + argc - 1; |
| 742 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 743 | |
Chris Samuel | ce47dc5 | 2010-11-13 13:35:06 +1100 | [diff] [blame] | 744 | if (rec_argv == NULL) |
| 745 | return -ENOMEM; |
| 746 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 747 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
| 748 | rec_argv[i] = strdup(record_args[i]); |
| 749 | |
| 750 | for (j = 1; j < (unsigned int)argc; j++, i++) |
| 751 | rec_argv[i] = argv[j]; |
| 752 | |
| 753 | return cmd_record(i, rec_argv, NULL); |
| 754 | } |
| 755 | |
| 756 | int cmd_kmem(int argc, const char **argv, const char *prefix __used) |
| 757 | { |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 758 | argc = parse_options(argc, argv, kmem_options, kmem_usage, 0); |
| 759 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 760 | if (!argc) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 761 | usage_with_options(kmem_usage, kmem_options); |
| 762 | |
Arnaldo Carvalho de Melo | 655000e | 2009-12-15 20:04:40 -0200 | [diff] [blame] | 763 | symbol__init(); |
| 764 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 765 | if (!strncmp(argv[0], "rec", 3)) { |
| 766 | return __cmd_record(argc, argv); |
| 767 | } else if (!strcmp(argv[0], "stat")) { |
| 768 | setup_cpunode_map(); |
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 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +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 | |