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" |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 13 | #include "util/callchain.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 14 | |
| 15 | #include "util/parse-options.h" |
| 16 | #include "util/trace-event.h" |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 17 | #include "util/data.h" |
Don Zickus | 4b62795 | 2014-04-07 14:55:23 -0400 | [diff] [blame] | 18 | #include "util/cpumap.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 19 | |
| 20 | #include "util/debug.h" |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 21 | |
| 22 | #include <linux/rbtree.h> |
Arnaldo Carvalho de Melo | 8d9233f | 2013-01-24 22:24:57 -0300 | [diff] [blame] | 23 | #include <linux/string.h> |
Namhyung Kim | 77cfe38 | 2015-03-23 15:30:40 +0900 | [diff] [blame] | 24 | #include <locale.h> |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 25 | #include <regex.h> |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 26 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 27 | static int kmem_slab; |
| 28 | static int kmem_page; |
| 29 | |
| 30 | static long kmem_page_size; |
| 31 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 32 | struct alloc_stat; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 33 | typedef int (*sort_fn_t)(void *, void *); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 34 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 35 | static int alloc_flag; |
| 36 | static int caller_flag; |
| 37 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 38 | static int alloc_lines = -1; |
| 39 | static int caller_lines = -1; |
| 40 | |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 41 | static bool raw_ip; |
| 42 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 43 | struct alloc_stat { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 44 | u64 call_site; |
| 45 | u64 ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 46 | u64 bytes_req; |
| 47 | u64 bytes_alloc; |
| 48 | u32 hit; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 49 | u32 pingpong; |
| 50 | |
| 51 | short alloc_cpu; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 52 | |
| 53 | struct rb_node node; |
| 54 | }; |
| 55 | |
| 56 | static struct rb_root root_alloc_stat; |
| 57 | static struct rb_root root_alloc_sorted; |
| 58 | static struct rb_root root_caller_stat; |
| 59 | static struct rb_root root_caller_sorted; |
| 60 | |
| 61 | static unsigned long total_requested, total_allocated; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 62 | static unsigned long nr_allocs, nr_cross_allocs; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 63 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 64 | static int insert_alloc_stat(unsigned long call_site, unsigned long ptr, |
| 65 | int bytes_req, int bytes_alloc, int cpu) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 66 | { |
| 67 | struct rb_node **node = &root_alloc_stat.rb_node; |
| 68 | struct rb_node *parent = NULL; |
| 69 | struct alloc_stat *data = NULL; |
| 70 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 71 | while (*node) { |
| 72 | parent = *node; |
| 73 | data = rb_entry(*node, struct alloc_stat, node); |
| 74 | |
| 75 | if (ptr > data->ptr) |
| 76 | node = &(*node)->rb_right; |
| 77 | else if (ptr < data->ptr) |
| 78 | node = &(*node)->rb_left; |
| 79 | else |
| 80 | break; |
| 81 | } |
| 82 | |
| 83 | if (data && data->ptr == ptr) { |
| 84 | data->hit++; |
| 85 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 86 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 87 | } else { |
| 88 | data = malloc(sizeof(*data)); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 89 | if (!data) { |
| 90 | pr_err("%s: malloc failed\n", __func__); |
| 91 | return -1; |
| 92 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 93 | data->ptr = ptr; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 94 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 95 | data->hit = 1; |
| 96 | data->bytes_req = bytes_req; |
| 97 | data->bytes_alloc = bytes_alloc; |
| 98 | |
| 99 | rb_link_node(&data->node, parent, node); |
| 100 | rb_insert_color(&data->node, &root_alloc_stat); |
| 101 | } |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 102 | data->call_site = call_site; |
| 103 | data->alloc_cpu = cpu; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 104 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 105 | } |
| 106 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 107 | static int insert_caller_stat(unsigned long call_site, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 108 | int bytes_req, int bytes_alloc) |
| 109 | { |
| 110 | struct rb_node **node = &root_caller_stat.rb_node; |
| 111 | struct rb_node *parent = NULL; |
| 112 | struct alloc_stat *data = NULL; |
| 113 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 114 | while (*node) { |
| 115 | parent = *node; |
| 116 | data = rb_entry(*node, struct alloc_stat, node); |
| 117 | |
| 118 | if (call_site > data->call_site) |
| 119 | node = &(*node)->rb_right; |
| 120 | else if (call_site < data->call_site) |
| 121 | node = &(*node)->rb_left; |
| 122 | else |
| 123 | break; |
| 124 | } |
| 125 | |
| 126 | if (data && data->call_site == call_site) { |
| 127 | data->hit++; |
| 128 | data->bytes_req += bytes_req; |
Wenji Huang | 4efb529 | 2009-12-21 17:52:55 +0800 | [diff] [blame] | 129 | data->bytes_alloc += bytes_alloc; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 130 | } else { |
| 131 | data = malloc(sizeof(*data)); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 132 | if (!data) { |
| 133 | pr_err("%s: malloc failed\n", __func__); |
| 134 | return -1; |
| 135 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 136 | data->call_site = call_site; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 137 | data->pingpong = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 138 | data->hit = 1; |
| 139 | data->bytes_req = bytes_req; |
| 140 | data->bytes_alloc = bytes_alloc; |
| 141 | |
| 142 | rb_link_node(&data->node, parent, node); |
| 143 | rb_insert_color(&data->node, &root_caller_stat); |
| 144 | } |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 145 | |
| 146 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 147 | } |
| 148 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 149 | 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] | 150 | struct perf_sample *sample) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 151 | { |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 152 | unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"), |
| 153 | call_site = perf_evsel__intval(evsel, sample, "call_site"); |
| 154 | int bytes_req = perf_evsel__intval(evsel, sample, "bytes_req"), |
| 155 | bytes_alloc = perf_evsel__intval(evsel, sample, "bytes_alloc"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 156 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 157 | 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] | 158 | insert_caller_stat(call_site, bytes_req, bytes_alloc)) |
| 159 | return -1; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 160 | |
| 161 | total_requested += bytes_req; |
| 162 | total_allocated += bytes_alloc; |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 163 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 164 | nr_allocs++; |
| 165 | return 0; |
| 166 | } |
| 167 | |
| 168 | static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel, |
| 169 | struct perf_sample *sample) |
| 170 | { |
| 171 | int ret = perf_evsel__process_alloc_event(evsel, sample); |
| 172 | |
| 173 | if (!ret) { |
Don Zickus | 4b62795 | 2014-04-07 14:55:23 -0400 | [diff] [blame] | 174 | int node1 = cpu__get_node(sample->cpu), |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 175 | node2 = perf_evsel__intval(evsel, sample, "node"); |
| 176 | |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 177 | if (node1 != node2) |
| 178 | nr_cross_allocs++; |
| 179 | } |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 180 | |
| 181 | return ret; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 182 | } |
| 183 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 184 | static int ptr_cmp(void *, void *); |
| 185 | static int slab_callsite_cmp(void *, void *); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 186 | |
| 187 | static struct alloc_stat *search_alloc_stat(unsigned long ptr, |
| 188 | unsigned long call_site, |
| 189 | struct rb_root *root, |
| 190 | sort_fn_t sort_fn) |
| 191 | { |
| 192 | struct rb_node *node = root->rb_node; |
| 193 | struct alloc_stat key = { .ptr = ptr, .call_site = call_site }; |
| 194 | |
| 195 | while (node) { |
| 196 | struct alloc_stat *data; |
| 197 | int cmp; |
| 198 | |
| 199 | data = rb_entry(node, struct alloc_stat, node); |
| 200 | |
| 201 | cmp = sort_fn(&key, data); |
| 202 | if (cmp < 0) |
| 203 | node = node->rb_left; |
| 204 | else if (cmp > 0) |
| 205 | node = node->rb_right; |
| 206 | else |
| 207 | return data; |
| 208 | } |
| 209 | return NULL; |
| 210 | } |
| 211 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 212 | static int perf_evsel__process_free_event(struct perf_evsel *evsel, |
| 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"); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 216 | struct alloc_stat *s_alloc, *s_caller; |
| 217 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 218 | s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp); |
| 219 | if (!s_alloc) |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 220 | return 0; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 221 | |
Arnaldo Carvalho de Melo | 22ad798 | 2012-08-07 10:56:43 -0300 | [diff] [blame] | 222 | if ((short)sample->cpu != s_alloc->alloc_cpu) { |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 223 | s_alloc->pingpong++; |
| 224 | |
| 225 | s_caller = search_alloc_stat(0, s_alloc->call_site, |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 226 | &root_caller_stat, |
| 227 | slab_callsite_cmp); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 228 | if (!s_caller) |
| 229 | return -1; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 230 | s_caller->pingpong++; |
| 231 | } |
| 232 | s_alloc->alloc_cpu = -1; |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 233 | |
| 234 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 235 | } |
| 236 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 237 | static u64 total_page_alloc_bytes; |
| 238 | static u64 total_page_free_bytes; |
| 239 | static u64 total_page_nomatch_bytes; |
| 240 | static u64 total_page_fail_bytes; |
| 241 | static unsigned long nr_page_allocs; |
| 242 | static unsigned long nr_page_frees; |
| 243 | static unsigned long nr_page_fails; |
| 244 | static unsigned long nr_page_nomatch; |
| 245 | |
| 246 | static bool use_pfn; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 247 | static struct perf_session *kmem_session; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 248 | |
| 249 | #define MAX_MIGRATE_TYPES 6 |
| 250 | #define MAX_PAGE_ORDER 11 |
| 251 | |
| 252 | static int order_stats[MAX_PAGE_ORDER][MAX_MIGRATE_TYPES]; |
| 253 | |
| 254 | struct page_stat { |
| 255 | struct rb_node node; |
| 256 | u64 page; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 257 | u64 callsite; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 258 | int order; |
| 259 | unsigned gfp_flags; |
| 260 | unsigned migrate_type; |
| 261 | u64 alloc_bytes; |
| 262 | u64 free_bytes; |
| 263 | int nr_alloc; |
| 264 | int nr_free; |
| 265 | }; |
| 266 | |
| 267 | static struct rb_root page_tree; |
| 268 | static struct rb_root page_alloc_tree; |
| 269 | static struct rb_root page_alloc_sorted; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 270 | static struct rb_root page_caller_tree; |
| 271 | static struct rb_root page_caller_sorted; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 272 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 273 | struct alloc_func { |
| 274 | u64 start; |
| 275 | u64 end; |
| 276 | char *name; |
| 277 | }; |
| 278 | |
| 279 | static int nr_alloc_funcs; |
| 280 | static struct alloc_func *alloc_func_list; |
| 281 | |
| 282 | static int funcmp(const void *a, const void *b) |
| 283 | { |
| 284 | const struct alloc_func *fa = a; |
| 285 | const struct alloc_func *fb = b; |
| 286 | |
| 287 | if (fa->start > fb->start) |
| 288 | return 1; |
| 289 | else |
| 290 | return -1; |
| 291 | } |
| 292 | |
| 293 | static int callcmp(const void *a, const void *b) |
| 294 | { |
| 295 | const struct alloc_func *fa = a; |
| 296 | const struct alloc_func *fb = b; |
| 297 | |
| 298 | if (fb->start <= fa->start && fa->end < fb->end) |
| 299 | return 0; |
| 300 | |
| 301 | if (fa->start > fb->start) |
| 302 | return 1; |
| 303 | else |
| 304 | return -1; |
| 305 | } |
| 306 | |
| 307 | static int build_alloc_func_list(void) |
| 308 | { |
| 309 | int ret; |
| 310 | struct map *kernel_map; |
| 311 | struct symbol *sym; |
| 312 | struct rb_node *node; |
| 313 | struct alloc_func *func; |
| 314 | struct machine *machine = &kmem_session->machines.host; |
| 315 | regex_t alloc_func_regex; |
| 316 | const char pattern[] = "^_?_?(alloc|get_free|get_zeroed)_pages?"; |
| 317 | |
| 318 | ret = regcomp(&alloc_func_regex, pattern, REG_EXTENDED); |
| 319 | if (ret) { |
| 320 | char err[BUFSIZ]; |
| 321 | |
| 322 | regerror(ret, &alloc_func_regex, err, sizeof(err)); |
| 323 | pr_err("Invalid regex: %s\n%s", pattern, err); |
| 324 | return -EINVAL; |
| 325 | } |
| 326 | |
| 327 | kernel_map = machine->vmlinux_maps[MAP__FUNCTION]; |
| 328 | if (map__load(kernel_map, NULL) < 0) { |
| 329 | pr_err("cannot load kernel map\n"); |
| 330 | return -ENOENT; |
| 331 | } |
| 332 | |
| 333 | map__for_each_symbol(kernel_map, sym, node) { |
| 334 | if (regexec(&alloc_func_regex, sym->name, 0, NULL, 0)) |
| 335 | continue; |
| 336 | |
| 337 | func = realloc(alloc_func_list, |
| 338 | (nr_alloc_funcs + 1) * sizeof(*func)); |
| 339 | if (func == NULL) |
| 340 | return -ENOMEM; |
| 341 | |
| 342 | pr_debug("alloc func: %s\n", sym->name); |
| 343 | func[nr_alloc_funcs].start = sym->start; |
| 344 | func[nr_alloc_funcs].end = sym->end; |
| 345 | func[nr_alloc_funcs].name = sym->name; |
| 346 | |
| 347 | alloc_func_list = func; |
| 348 | nr_alloc_funcs++; |
| 349 | } |
| 350 | |
| 351 | qsort(alloc_func_list, nr_alloc_funcs, sizeof(*func), funcmp); |
| 352 | |
| 353 | regfree(&alloc_func_regex); |
| 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | /* |
| 358 | * Find first non-memory allocation function from callchain. |
| 359 | * The allocation functions are in the 'alloc_func_list'. |
| 360 | */ |
| 361 | static u64 find_callsite(struct perf_evsel *evsel, struct perf_sample *sample) |
| 362 | { |
| 363 | struct addr_location al; |
| 364 | struct machine *machine = &kmem_session->machines.host; |
| 365 | struct callchain_cursor_node *node; |
| 366 | |
| 367 | if (alloc_func_list == NULL) { |
| 368 | if (build_alloc_func_list() < 0) |
| 369 | goto out; |
| 370 | } |
| 371 | |
| 372 | al.thread = machine__findnew_thread(machine, sample->pid, sample->tid); |
| 373 | sample__resolve_callchain(sample, NULL, evsel, &al, 16); |
| 374 | |
| 375 | callchain_cursor_commit(&callchain_cursor); |
| 376 | while (true) { |
| 377 | struct alloc_func key, *caller; |
| 378 | u64 addr; |
| 379 | |
| 380 | node = callchain_cursor_current(&callchain_cursor); |
| 381 | if (node == NULL) |
| 382 | break; |
| 383 | |
| 384 | key.start = key.end = node->ip; |
| 385 | caller = bsearch(&key, alloc_func_list, nr_alloc_funcs, |
| 386 | sizeof(key), callcmp); |
| 387 | if (!caller) { |
| 388 | /* found */ |
| 389 | if (node->map) |
| 390 | addr = map__unmap_ip(node->map, node->ip); |
| 391 | else |
| 392 | addr = node->ip; |
| 393 | |
| 394 | return addr; |
| 395 | } else |
| 396 | pr_debug3("skipping alloc function: %s\n", caller->name); |
| 397 | |
| 398 | callchain_cursor_advance(&callchain_cursor); |
| 399 | } |
| 400 | |
| 401 | out: |
| 402 | pr_debug2("unknown callsite: %"PRIx64 "\n", sample->ip); |
| 403 | return sample->ip; |
| 404 | } |
| 405 | |
| 406 | static struct page_stat * |
| 407 | __page_stat__findnew_page(u64 page, bool create) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 408 | { |
| 409 | struct rb_node **node = &page_tree.rb_node; |
| 410 | struct rb_node *parent = NULL; |
| 411 | struct page_stat *data; |
| 412 | |
| 413 | while (*node) { |
| 414 | s64 cmp; |
| 415 | |
| 416 | parent = *node; |
| 417 | data = rb_entry(*node, struct page_stat, node); |
| 418 | |
| 419 | cmp = data->page - page; |
| 420 | if (cmp < 0) |
| 421 | node = &parent->rb_left; |
| 422 | else if (cmp > 0) |
| 423 | node = &parent->rb_right; |
| 424 | else |
| 425 | return data; |
| 426 | } |
| 427 | |
| 428 | if (!create) |
| 429 | return NULL; |
| 430 | |
| 431 | data = zalloc(sizeof(*data)); |
| 432 | if (data != NULL) { |
| 433 | data->page = page; |
| 434 | |
| 435 | rb_link_node(&data->node, parent, node); |
| 436 | rb_insert_color(&data->node, &page_tree); |
| 437 | } |
| 438 | |
| 439 | return data; |
| 440 | } |
| 441 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 442 | static struct page_stat *page_stat__find_page(u64 page) |
| 443 | { |
| 444 | return __page_stat__findnew_page(page, false); |
| 445 | } |
| 446 | |
| 447 | static struct page_stat *page_stat__findnew_page(u64 page) |
| 448 | { |
| 449 | return __page_stat__findnew_page(page, true); |
| 450 | } |
| 451 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 452 | struct sort_dimension { |
| 453 | const char name[20]; |
| 454 | sort_fn_t cmp; |
| 455 | struct list_head list; |
| 456 | }; |
| 457 | |
| 458 | static LIST_HEAD(page_alloc_sort_input); |
| 459 | static LIST_HEAD(page_caller_sort_input); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 460 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 461 | static struct page_stat * |
| 462 | __page_stat__findnew_alloc(struct page_stat *pstat, bool create) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 463 | { |
| 464 | struct rb_node **node = &page_alloc_tree.rb_node; |
| 465 | struct rb_node *parent = NULL; |
| 466 | struct page_stat *data; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 467 | struct sort_dimension *sort; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 468 | |
| 469 | while (*node) { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 470 | int cmp = 0; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 471 | |
| 472 | parent = *node; |
| 473 | data = rb_entry(*node, struct page_stat, node); |
| 474 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 475 | list_for_each_entry(sort, &page_alloc_sort_input, list) { |
| 476 | cmp = sort->cmp(pstat, data); |
| 477 | if (cmp) |
| 478 | break; |
| 479 | } |
| 480 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 481 | if (cmp < 0) |
| 482 | node = &parent->rb_left; |
| 483 | else if (cmp > 0) |
| 484 | node = &parent->rb_right; |
| 485 | else |
| 486 | return data; |
| 487 | } |
| 488 | |
| 489 | if (!create) |
| 490 | return NULL; |
| 491 | |
| 492 | data = zalloc(sizeof(*data)); |
| 493 | if (data != NULL) { |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 494 | data->page = pstat->page; |
| 495 | data->order = pstat->order; |
| 496 | data->gfp_flags = pstat->gfp_flags; |
| 497 | data->migrate_type = pstat->migrate_type; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 498 | |
| 499 | rb_link_node(&data->node, parent, node); |
| 500 | rb_insert_color(&data->node, &page_alloc_tree); |
| 501 | } |
| 502 | |
| 503 | return data; |
| 504 | } |
| 505 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 506 | static struct page_stat *page_stat__find_alloc(struct page_stat *pstat) |
| 507 | { |
| 508 | return __page_stat__findnew_alloc(pstat, false); |
| 509 | } |
| 510 | |
| 511 | static struct page_stat *page_stat__findnew_alloc(struct page_stat *pstat) |
| 512 | { |
| 513 | return __page_stat__findnew_alloc(pstat, true); |
| 514 | } |
| 515 | |
| 516 | static struct page_stat * |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 517 | __page_stat__findnew_caller(struct page_stat *pstat, bool create) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 518 | { |
| 519 | struct rb_node **node = &page_caller_tree.rb_node; |
| 520 | struct rb_node *parent = NULL; |
| 521 | struct page_stat *data; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 522 | struct sort_dimension *sort; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 523 | |
| 524 | while (*node) { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 525 | int cmp = 0; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 526 | |
| 527 | parent = *node; |
| 528 | data = rb_entry(*node, struct page_stat, node); |
| 529 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 530 | list_for_each_entry(sort, &page_caller_sort_input, list) { |
| 531 | cmp = sort->cmp(pstat, data); |
| 532 | if (cmp) |
| 533 | break; |
| 534 | } |
| 535 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 536 | if (cmp < 0) |
| 537 | node = &parent->rb_left; |
| 538 | else if (cmp > 0) |
| 539 | node = &parent->rb_right; |
| 540 | else |
| 541 | return data; |
| 542 | } |
| 543 | |
| 544 | if (!create) |
| 545 | return NULL; |
| 546 | |
| 547 | data = zalloc(sizeof(*data)); |
| 548 | if (data != NULL) { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 549 | data->callsite = pstat->callsite; |
| 550 | data->order = pstat->order; |
| 551 | data->gfp_flags = pstat->gfp_flags; |
| 552 | data->migrate_type = pstat->migrate_type; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 553 | |
| 554 | rb_link_node(&data->node, parent, node); |
| 555 | rb_insert_color(&data->node, &page_caller_tree); |
| 556 | } |
| 557 | |
| 558 | return data; |
| 559 | } |
| 560 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 561 | static struct page_stat *page_stat__find_caller(struct page_stat *pstat) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 562 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 563 | return __page_stat__findnew_caller(pstat, false); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 564 | } |
| 565 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 566 | static struct page_stat *page_stat__findnew_caller(struct page_stat *pstat) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 567 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 568 | return __page_stat__findnew_caller(pstat, true); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 569 | } |
| 570 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 571 | static bool valid_page(u64 pfn_or_page) |
| 572 | { |
| 573 | if (use_pfn && pfn_or_page == -1UL) |
| 574 | return false; |
| 575 | if (!use_pfn && pfn_or_page == 0) |
| 576 | return false; |
| 577 | return true; |
| 578 | } |
| 579 | |
| 580 | static int perf_evsel__process_page_alloc_event(struct perf_evsel *evsel, |
| 581 | struct perf_sample *sample) |
| 582 | { |
| 583 | u64 page; |
| 584 | unsigned int order = perf_evsel__intval(evsel, sample, "order"); |
| 585 | unsigned int gfp_flags = perf_evsel__intval(evsel, sample, "gfp_flags"); |
| 586 | unsigned int migrate_type = perf_evsel__intval(evsel, sample, |
| 587 | "migratetype"); |
| 588 | u64 bytes = kmem_page_size << order; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 589 | u64 callsite; |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 590 | struct page_stat *pstat; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 591 | struct page_stat this = { |
| 592 | .order = order, |
| 593 | .gfp_flags = gfp_flags, |
| 594 | .migrate_type = migrate_type, |
| 595 | }; |
| 596 | |
| 597 | if (use_pfn) |
| 598 | page = perf_evsel__intval(evsel, sample, "pfn"); |
| 599 | else |
| 600 | page = perf_evsel__intval(evsel, sample, "page"); |
| 601 | |
| 602 | nr_page_allocs++; |
| 603 | total_page_alloc_bytes += bytes; |
| 604 | |
| 605 | if (!valid_page(page)) { |
| 606 | nr_page_fails++; |
| 607 | total_page_fail_bytes += bytes; |
| 608 | |
| 609 | return 0; |
| 610 | } |
| 611 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 612 | callsite = find_callsite(evsel, sample); |
| 613 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 614 | /* |
| 615 | * This is to find the current page (with correct gfp flags and |
| 616 | * migrate type) at free event. |
| 617 | */ |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 618 | pstat = page_stat__findnew_page(page); |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 619 | if (pstat == NULL) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 620 | return -ENOMEM; |
| 621 | |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 622 | pstat->order = order; |
| 623 | pstat->gfp_flags = gfp_flags; |
| 624 | pstat->migrate_type = migrate_type; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 625 | pstat->callsite = callsite; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 626 | |
| 627 | this.page = page; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 628 | pstat = page_stat__findnew_alloc(&this); |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 629 | if (pstat == NULL) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 630 | return -ENOMEM; |
| 631 | |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 632 | pstat->nr_alloc++; |
| 633 | pstat->alloc_bytes += bytes; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 634 | pstat->callsite = callsite; |
| 635 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 636 | this.callsite = callsite; |
| 637 | pstat = page_stat__findnew_caller(&this); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 638 | if (pstat == NULL) |
| 639 | return -ENOMEM; |
| 640 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 641 | pstat->nr_alloc++; |
| 642 | pstat->alloc_bytes += bytes; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 643 | |
| 644 | order_stats[order][migrate_type]++; |
| 645 | |
| 646 | return 0; |
| 647 | } |
| 648 | |
| 649 | static int perf_evsel__process_page_free_event(struct perf_evsel *evsel, |
| 650 | struct perf_sample *sample) |
| 651 | { |
| 652 | u64 page; |
| 653 | unsigned int order = perf_evsel__intval(evsel, sample, "order"); |
| 654 | u64 bytes = kmem_page_size << order; |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 655 | struct page_stat *pstat; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 656 | struct page_stat this = { |
| 657 | .order = order, |
| 658 | }; |
| 659 | |
| 660 | if (use_pfn) |
| 661 | page = perf_evsel__intval(evsel, sample, "pfn"); |
| 662 | else |
| 663 | page = perf_evsel__intval(evsel, sample, "page"); |
| 664 | |
| 665 | nr_page_frees++; |
| 666 | total_page_free_bytes += bytes; |
| 667 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 668 | pstat = page_stat__find_page(page); |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 669 | if (pstat == NULL) { |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 670 | pr_debug2("missing free at page %"PRIx64" (order: %d)\n", |
| 671 | page, order); |
| 672 | |
| 673 | nr_page_nomatch++; |
| 674 | total_page_nomatch_bytes += bytes; |
| 675 | |
| 676 | return 0; |
| 677 | } |
| 678 | |
| 679 | this.page = page; |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 680 | this.gfp_flags = pstat->gfp_flags; |
| 681 | this.migrate_type = pstat->migrate_type; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 682 | this.callsite = pstat->callsite; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 683 | |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 684 | rb_erase(&pstat->node, &page_tree); |
| 685 | free(pstat); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 686 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 687 | pstat = page_stat__find_alloc(&this); |
| 688 | if (pstat == NULL) |
| 689 | return -ENOENT; |
| 690 | |
| 691 | pstat->nr_free++; |
| 692 | pstat->free_bytes += bytes; |
| 693 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 694 | pstat = page_stat__find_caller(&this); |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 695 | if (pstat == NULL) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 696 | return -ENOENT; |
| 697 | |
David Ahern | 6b1a275 | 2015-04-14 13:49:33 -0400 | [diff] [blame] | 698 | pstat->nr_free++; |
| 699 | pstat->free_bytes += bytes; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 700 | |
| 701 | return 0; |
| 702 | } |
| 703 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 704 | typedef int (*tracepoint_handler)(struct perf_evsel *evsel, |
| 705 | struct perf_sample *sample); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 706 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 707 | 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] | 708 | union perf_event *event, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 709 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 710 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 711 | struct machine *machine) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 712 | { |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 713 | struct thread *thread = machine__findnew_thread(machine, sample->pid, |
Namhyung Kim | 13ce34d | 2014-05-12 09:56:42 +0900 | [diff] [blame] | 714 | sample->tid); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 715 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 716 | if (thread == NULL) { |
| 717 | pr_debug("problem processing %d event, skipping it.\n", |
| 718 | event->header.type); |
| 719 | return -1; |
| 720 | } |
| 721 | |
Frederic Weisbecker | b9c5143 | 2013-09-11 14:46:56 +0200 | [diff] [blame] | 722 | dump_printf(" ... thread: %s:%d\n", thread__comm_str(thread), thread->tid); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 723 | |
Arnaldo Carvalho de Melo | 744a971 | 2013-11-06 10:17:38 -0300 | [diff] [blame] | 724 | if (evsel->handler != NULL) { |
| 725 | tracepoint_handler f = evsel->handler; |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 726 | return f(evsel, sample); |
| 727 | } |
| 728 | |
| 729 | return 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 730 | } |
| 731 | |
Arnaldo Carvalho de Melo | fcf65bf | 2012-08-07 09:58:03 -0300 | [diff] [blame] | 732 | static struct perf_tool perf_kmem = { |
| 733 | .sample = process_sample_event, |
| 734 | .comm = perf_event__process_comm, |
Namhyung Kim | 64c4090 | 2014-08-01 14:59:31 +0900 | [diff] [blame] | 735 | .mmap = perf_event__process_mmap, |
| 736 | .mmap2 = perf_event__process_mmap2, |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 737 | .ordered_events = true, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 738 | }; |
| 739 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 740 | static double fragmentation(unsigned long n_req, unsigned long n_alloc) |
| 741 | { |
| 742 | if (n_alloc == 0) |
| 743 | return 0.0; |
| 744 | else |
| 745 | return 100.0 - (100.0 * n_req / n_alloc); |
| 746 | } |
| 747 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 748 | static void __print_slab_result(struct rb_root *root, |
| 749 | struct perf_session *session, |
| 750 | int n_lines, int is_caller) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 751 | { |
| 752 | struct rb_node *next; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 753 | struct machine *machine = &session->machines.host; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 754 | |
Namhyung Kim | 65f46e0 | 2015-03-12 16:32:48 +0900 | [diff] [blame] | 755 | printf("%.105s\n", graph_dotted_line); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 756 | printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr"); |
Pekka Enberg | 4710327 | 2010-01-19 19:23:23 +0200 | [diff] [blame] | 757 | printf(" Total_alloc/Per | Total_req/Per | Hit | Ping-pong | Frag\n"); |
Namhyung Kim | 65f46e0 | 2015-03-12 16:32:48 +0900 | [diff] [blame] | 758 | printf("%.105s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 759 | |
| 760 | next = rb_first(root); |
| 761 | |
| 762 | while (next && n_lines--) { |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 763 | struct alloc_stat *data = rb_entry(next, struct alloc_stat, |
| 764 | node); |
| 765 | struct symbol *sym = NULL; |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 766 | struct map *map; |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 767 | char buf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 768 | u64 addr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 769 | |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 770 | if (is_caller) { |
| 771 | addr = data->call_site; |
Li Zefan | 7707b6b | 2009-11-24 13:25:48 +0800 | [diff] [blame] | 772 | if (!raw_ip) |
Arnaldo Carvalho de Melo | 5c0541d | 2010-04-29 15:25:23 -0300 | [diff] [blame] | 773 | sym = machine__find_kernel_function(machine, addr, &map, NULL); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 774 | } else |
| 775 | addr = data->ptr; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 776 | |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 777 | if (sym != NULL) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 778 | snprintf(buf, sizeof(buf), "%s+%" PRIx64 "", sym->name, |
Arnaldo Carvalho de Melo | 71cf8b8 | 2010-04-01 21:24:38 -0300 | [diff] [blame] | 779 | addr - map->unmap_ip(map, sym->start)); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 780 | else |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 781 | snprintf(buf, sizeof(buf), "%#" PRIx64 "", addr); |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 782 | printf(" %-34s |", buf); |
Arnaldo Carvalho de Melo | 1b145ae | 2009-11-23 17:51:09 -0200 | [diff] [blame] | 783 | |
Namhyung Kim | 65f46e0 | 2015-03-12 16:32:48 +0900 | [diff] [blame] | 784 | printf(" %9llu/%-5lu | %9llu/%-5lu | %8lu | %9lu | %6.3f%%\n", |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 785 | (unsigned long long)data->bytes_alloc, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 786 | (unsigned long)data->bytes_alloc / data->hit, |
| 787 | (unsigned long long)data->bytes_req, |
| 788 | (unsigned long)data->bytes_req / data->hit, |
| 789 | (unsigned long)data->hit, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 790 | (unsigned long)data->pingpong, |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 791 | fragmentation(data->bytes_req, data->bytes_alloc)); |
| 792 | |
| 793 | next = rb_next(next); |
| 794 | } |
| 795 | |
| 796 | if (n_lines == -1) |
Namhyung Kim | 65f46e0 | 2015-03-12 16:32:48 +0900 | [diff] [blame] | 797 | printf(" ... | ... | ... | ... | ... | ... \n"); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 798 | |
Namhyung Kim | 65f46e0 | 2015-03-12 16:32:48 +0900 | [diff] [blame] | 799 | printf("%.105s\n", graph_dotted_line); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 800 | } |
| 801 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 802 | static const char * const migrate_type_str[] = { |
| 803 | "UNMOVABL", |
| 804 | "RECLAIM", |
| 805 | "MOVABLE", |
| 806 | "RESERVED", |
| 807 | "CMA/ISLT", |
| 808 | "UNKNOWN", |
| 809 | }; |
| 810 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 811 | static void __print_page_alloc_result(struct perf_session *session, int n_lines) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 812 | { |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 813 | struct rb_node *next = rb_first(&page_alloc_sorted); |
| 814 | struct machine *machine = &session->machines.host; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 815 | const char *format; |
| 816 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 817 | printf("\n%.105s\n", graph_dotted_line); |
| 818 | printf(" %-16s | Total alloc (KB) | Hits | Order | Mig.type | GFP flags | Callsite\n", |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 819 | use_pfn ? "PFN" : "Page"); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 820 | printf("%.105s\n", graph_dotted_line); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 821 | |
| 822 | if (use_pfn) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 823 | format = " %16llu | %'16llu | %'9d | %5d | %8s | %08lx | %s\n"; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 824 | else |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 825 | format = " %016llx | %'16llu | %'9d | %5d | %8s | %08lx | %s\n"; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 826 | |
| 827 | while (next && n_lines--) { |
| 828 | struct page_stat *data; |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 829 | struct symbol *sym; |
| 830 | struct map *map; |
| 831 | char buf[32]; |
| 832 | char *caller = buf; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 833 | |
| 834 | data = rb_entry(next, struct page_stat, node); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 835 | sym = machine__find_kernel_function(machine, data->callsite, |
| 836 | &map, NULL); |
| 837 | if (sym && sym->name) |
| 838 | caller = sym->name; |
| 839 | else |
| 840 | scnprintf(buf, sizeof(buf), "%"PRIx64, data->callsite); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 841 | |
| 842 | printf(format, (unsigned long long)data->page, |
| 843 | (unsigned long long)data->alloc_bytes / 1024, |
| 844 | data->nr_alloc, data->order, |
| 845 | migrate_type_str[data->migrate_type], |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 846 | (unsigned long)data->gfp_flags, caller); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 847 | |
| 848 | next = rb_next(next); |
| 849 | } |
| 850 | |
| 851 | if (n_lines == -1) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 852 | printf(" ... | ... | ... | ... | ... | ... | ...\n"); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 853 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 854 | printf("%.105s\n", graph_dotted_line); |
| 855 | } |
| 856 | |
| 857 | static void __print_page_caller_result(struct perf_session *session, int n_lines) |
| 858 | { |
| 859 | struct rb_node *next = rb_first(&page_caller_sorted); |
| 860 | struct machine *machine = &session->machines.host; |
| 861 | |
| 862 | printf("\n%.105s\n", graph_dotted_line); |
| 863 | printf(" Total alloc (KB) | Hits | Order | Mig.type | GFP flags | Callsite\n"); |
| 864 | printf("%.105s\n", graph_dotted_line); |
| 865 | |
| 866 | while (next && n_lines--) { |
| 867 | struct page_stat *data; |
| 868 | struct symbol *sym; |
| 869 | struct map *map; |
| 870 | char buf[32]; |
| 871 | char *caller = buf; |
| 872 | |
| 873 | data = rb_entry(next, struct page_stat, node); |
| 874 | sym = machine__find_kernel_function(machine, data->callsite, |
| 875 | &map, NULL); |
| 876 | if (sym && sym->name) |
| 877 | caller = sym->name; |
| 878 | else |
| 879 | scnprintf(buf, sizeof(buf), "%"PRIx64, data->callsite); |
| 880 | |
| 881 | printf(" %'16llu | %'9d | %5d | %8s | %08lx | %s\n", |
| 882 | (unsigned long long)data->alloc_bytes / 1024, |
| 883 | data->nr_alloc, data->order, |
| 884 | migrate_type_str[data->migrate_type], |
| 885 | (unsigned long)data->gfp_flags, caller); |
| 886 | |
| 887 | next = rb_next(next); |
| 888 | } |
| 889 | |
| 890 | if (n_lines == -1) |
| 891 | printf(" ... | ... | ... | ... | ... | ...\n"); |
| 892 | |
| 893 | printf("%.105s\n", graph_dotted_line); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | static void print_slab_summary(void) |
| 897 | { |
| 898 | printf("\nSUMMARY (SLAB allocator)"); |
| 899 | printf("\n========================\n"); |
Namhyung Kim | 77cfe38 | 2015-03-23 15:30:40 +0900 | [diff] [blame] | 900 | printf("Total bytes requested: %'lu\n", total_requested); |
| 901 | printf("Total bytes allocated: %'lu\n", total_allocated); |
| 902 | printf("Total bytes wasted on internal fragmentation: %'lu\n", |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 903 | total_allocated - total_requested); |
| 904 | printf("Internal fragmentation: %f%%\n", |
| 905 | fragmentation(total_requested, total_allocated)); |
Namhyung Kim | 77cfe38 | 2015-03-23 15:30:40 +0900 | [diff] [blame] | 906 | printf("Cross CPU allocations: %'lu/%'lu\n", nr_cross_allocs, nr_allocs); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 907 | } |
| 908 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 909 | static void print_page_summary(void) |
| 910 | { |
| 911 | int o, m; |
| 912 | u64 nr_alloc_freed = nr_page_frees - nr_page_nomatch; |
| 913 | u64 total_alloc_freed_bytes = total_page_free_bytes - total_page_nomatch_bytes; |
| 914 | |
| 915 | printf("\nSUMMARY (page allocator)"); |
| 916 | printf("\n========================\n"); |
| 917 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total allocation requests", |
| 918 | nr_page_allocs, total_page_alloc_bytes / 1024); |
| 919 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total free requests", |
| 920 | nr_page_frees, total_page_free_bytes / 1024); |
| 921 | printf("\n"); |
| 922 | |
| 923 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total alloc+freed requests", |
| 924 | nr_alloc_freed, (total_alloc_freed_bytes) / 1024); |
| 925 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total alloc-only requests", |
| 926 | nr_page_allocs - nr_alloc_freed, |
| 927 | (total_page_alloc_bytes - total_alloc_freed_bytes) / 1024); |
| 928 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total free-only requests", |
| 929 | nr_page_nomatch, total_page_nomatch_bytes / 1024); |
| 930 | printf("\n"); |
| 931 | |
| 932 | printf("%-30s: %'16lu [ %'16"PRIu64" KB ]\n", "Total allocation failures", |
| 933 | nr_page_fails, total_page_fail_bytes / 1024); |
| 934 | printf("\n"); |
| 935 | |
| 936 | printf("%5s %12s %12s %12s %12s %12s\n", "Order", "Unmovable", |
| 937 | "Reclaimable", "Movable", "Reserved", "CMA/Isolated"); |
| 938 | printf("%.5s %.12s %.12s %.12s %.12s %.12s\n", graph_dotted_line, |
| 939 | graph_dotted_line, graph_dotted_line, graph_dotted_line, |
| 940 | graph_dotted_line, graph_dotted_line); |
| 941 | |
| 942 | for (o = 0; o < MAX_PAGE_ORDER; o++) { |
| 943 | printf("%5d", o); |
| 944 | for (m = 0; m < MAX_MIGRATE_TYPES - 1; m++) { |
| 945 | if (order_stats[o][m]) |
| 946 | printf(" %'12d", order_stats[o][m]); |
| 947 | else |
| 948 | printf(" %12c", '.'); |
| 949 | } |
| 950 | printf("\n"); |
| 951 | } |
| 952 | } |
| 953 | |
| 954 | static void print_slab_result(struct perf_session *session) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 955 | { |
| 956 | if (caller_flag) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 957 | __print_slab_result(&root_caller_sorted, session, caller_lines, 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 958 | if (alloc_flag) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 959 | __print_slab_result(&root_alloc_sorted, session, alloc_lines, 0); |
| 960 | print_slab_summary(); |
| 961 | } |
| 962 | |
| 963 | static void print_page_result(struct perf_session *session) |
| 964 | { |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 965 | if (caller_flag) |
| 966 | __print_page_caller_result(session, caller_lines); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 967 | if (alloc_flag) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 968 | __print_page_alloc_result(session, alloc_lines); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 969 | print_page_summary(); |
| 970 | } |
| 971 | |
| 972 | static void print_result(struct perf_session *session) |
| 973 | { |
| 974 | if (kmem_slab) |
| 975 | print_slab_result(session); |
| 976 | if (kmem_page) |
| 977 | print_page_result(session); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 978 | } |
| 979 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 980 | static LIST_HEAD(slab_caller_sort); |
| 981 | static LIST_HEAD(slab_alloc_sort); |
| 982 | static LIST_HEAD(page_caller_sort); |
| 983 | static LIST_HEAD(page_alloc_sort); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 984 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 985 | static void sort_slab_insert(struct rb_root *root, struct alloc_stat *data, |
| 986 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 987 | { |
| 988 | struct rb_node **new = &(root->rb_node); |
| 989 | struct rb_node *parent = NULL; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 990 | struct sort_dimension *sort; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 991 | |
| 992 | while (*new) { |
| 993 | struct alloc_stat *this; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 994 | int cmp = 0; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 995 | |
| 996 | this = rb_entry(*new, struct alloc_stat, node); |
| 997 | parent = *new; |
| 998 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 999 | list_for_each_entry(sort, sort_list, list) { |
| 1000 | cmp = sort->cmp(data, this); |
| 1001 | if (cmp) |
| 1002 | break; |
| 1003 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1004 | |
| 1005 | if (cmp > 0) |
| 1006 | new = &((*new)->rb_left); |
| 1007 | else |
| 1008 | new = &((*new)->rb_right); |
| 1009 | } |
| 1010 | |
| 1011 | rb_link_node(&data->node, parent, new); |
| 1012 | rb_insert_color(&data->node, root); |
| 1013 | } |
| 1014 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1015 | static void __sort_slab_result(struct rb_root *root, struct rb_root *root_sorted, |
| 1016 | struct list_head *sort_list) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1017 | { |
| 1018 | struct rb_node *node; |
| 1019 | struct alloc_stat *data; |
| 1020 | |
| 1021 | for (;;) { |
| 1022 | node = rb_first(root); |
| 1023 | if (!node) |
| 1024 | break; |
| 1025 | |
| 1026 | rb_erase(node, root); |
| 1027 | data = rb_entry(node, struct alloc_stat, node); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1028 | sort_slab_insert(root_sorted, data, sort_list); |
| 1029 | } |
| 1030 | } |
| 1031 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1032 | static void sort_page_insert(struct rb_root *root, struct page_stat *data, |
| 1033 | struct list_head *sort_list) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1034 | { |
| 1035 | struct rb_node **new = &root->rb_node; |
| 1036 | struct rb_node *parent = NULL; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1037 | struct sort_dimension *sort; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1038 | |
| 1039 | while (*new) { |
| 1040 | struct page_stat *this; |
| 1041 | int cmp = 0; |
| 1042 | |
| 1043 | this = rb_entry(*new, struct page_stat, node); |
| 1044 | parent = *new; |
| 1045 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1046 | list_for_each_entry(sort, sort_list, list) { |
| 1047 | cmp = sort->cmp(data, this); |
| 1048 | if (cmp) |
| 1049 | break; |
| 1050 | } |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1051 | |
| 1052 | if (cmp > 0) |
| 1053 | new = &parent->rb_left; |
| 1054 | else |
| 1055 | new = &parent->rb_right; |
| 1056 | } |
| 1057 | |
| 1058 | rb_link_node(&data->node, parent, new); |
| 1059 | rb_insert_color(&data->node, root); |
| 1060 | } |
| 1061 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1062 | static void __sort_page_result(struct rb_root *root, struct rb_root *root_sorted, |
| 1063 | struct list_head *sort_list) |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1064 | { |
| 1065 | struct rb_node *node; |
| 1066 | struct page_stat *data; |
| 1067 | |
| 1068 | for (;;) { |
| 1069 | node = rb_first(root); |
| 1070 | if (!node) |
| 1071 | break; |
| 1072 | |
| 1073 | rb_erase(node, root); |
| 1074 | data = rb_entry(node, struct page_stat, node); |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1075 | sort_page_insert(root_sorted, data, sort_list); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | static void sort_result(void) |
| 1080 | { |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1081 | if (kmem_slab) { |
| 1082 | __sort_slab_result(&root_alloc_stat, &root_alloc_sorted, |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1083 | &slab_alloc_sort); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1084 | __sort_slab_result(&root_caller_stat, &root_caller_sorted, |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1085 | &slab_caller_sort); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1086 | } |
| 1087 | if (kmem_page) { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1088 | __sort_page_result(&page_alloc_tree, &page_alloc_sorted, |
| 1089 | &page_alloc_sort); |
| 1090 | __sort_page_result(&page_caller_tree, &page_caller_sorted, |
| 1091 | &page_caller_sort); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1092 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1093 | } |
| 1094 | |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1095 | static int __cmd_kmem(struct perf_session *session) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1096 | { |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 1097 | int err = -EINVAL; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1098 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 1099 | const struct perf_evsel_str_handler kmem_tracepoints[] = { |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1100 | /* slab allocator */ |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 1101 | { "kmem:kmalloc", perf_evsel__process_alloc_event, }, |
| 1102 | { "kmem:kmem_cache_alloc", perf_evsel__process_alloc_event, }, |
| 1103 | { "kmem:kmalloc_node", perf_evsel__process_alloc_node_event, }, |
| 1104 | { "kmem:kmem_cache_alloc_node", perf_evsel__process_alloc_node_event, }, |
| 1105 | { "kmem:kfree", perf_evsel__process_free_event, }, |
| 1106 | { "kmem:kmem_cache_free", perf_evsel__process_free_event, }, |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1107 | /* page allocator */ |
| 1108 | { "kmem:mm_page_alloc", perf_evsel__process_page_alloc_event, }, |
| 1109 | { "kmem:mm_page_free", perf_evsel__process_page_free_event, }, |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 1110 | }; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1111 | |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 1112 | if (!perf_session__has_traces(session, "kmem record")) |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1113 | goto out; |
Arnaldo Carvalho de Melo | d549c769 | 2009-12-27 21:37:02 -0200 | [diff] [blame] | 1114 | |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 1115 | if (perf_session__set_tracepoints_handlers(session, kmem_tracepoints)) { |
| 1116 | pr_err("Initializing perf session tracepoint handlers failed\n"); |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1117 | goto out; |
Arnaldo Carvalho de Melo | 0f7d2f1 | 2012-09-24 10:46:54 -0300 | [diff] [blame] | 1118 | } |
| 1119 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1120 | evlist__for_each(session->evlist, evsel) { |
| 1121 | if (!strcmp(perf_evsel__name(evsel), "kmem:mm_page_alloc") && |
| 1122 | perf_evsel__field(evsel, "pfn")) { |
| 1123 | use_pfn = true; |
| 1124 | break; |
| 1125 | } |
| 1126 | } |
| 1127 | |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 1128 | setup_pager(); |
Arnaldo Carvalho de Melo | b7b61cb | 2015-03-03 11:58:45 -0300 | [diff] [blame] | 1129 | err = perf_session__process_events(session); |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1130 | if (err != 0) { |
| 1131 | pr_err("error during process events: %d\n", err); |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1132 | goto out; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1133 | } |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 1134 | sort_result(); |
| 1135 | print_result(session); |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1136 | out: |
Arnaldo Carvalho de Melo | 4aa6563 | 2009-12-13 19:50:29 -0200 | [diff] [blame] | 1137 | return err; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1138 | } |
| 1139 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1140 | /* slab sort keys */ |
| 1141 | static int ptr_cmp(void *a, void *b) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1142 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1143 | struct alloc_stat *l = a; |
| 1144 | struct alloc_stat *r = b; |
| 1145 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1146 | if (l->ptr < r->ptr) |
| 1147 | return -1; |
| 1148 | else if (l->ptr > r->ptr) |
| 1149 | return 1; |
| 1150 | return 0; |
| 1151 | } |
| 1152 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1153 | static struct sort_dimension ptr_sort_dimension = { |
| 1154 | .name = "ptr", |
| 1155 | .cmp = ptr_cmp, |
| 1156 | }; |
| 1157 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1158 | static int slab_callsite_cmp(void *a, void *b) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1159 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1160 | struct alloc_stat *l = a; |
| 1161 | struct alloc_stat *r = b; |
| 1162 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1163 | if (l->call_site < r->call_site) |
| 1164 | return -1; |
| 1165 | else if (l->call_site > r->call_site) |
| 1166 | return 1; |
| 1167 | return 0; |
| 1168 | } |
| 1169 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1170 | static struct sort_dimension callsite_sort_dimension = { |
| 1171 | .name = "callsite", |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1172 | .cmp = slab_callsite_cmp, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1173 | }; |
| 1174 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1175 | static int hit_cmp(void *a, void *b) |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 1176 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1177 | struct alloc_stat *l = a; |
| 1178 | struct alloc_stat *r = b; |
| 1179 | |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 1180 | if (l->hit < r->hit) |
| 1181 | return -1; |
| 1182 | else if (l->hit > r->hit) |
| 1183 | return 1; |
| 1184 | return 0; |
| 1185 | } |
| 1186 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1187 | static struct sort_dimension hit_sort_dimension = { |
| 1188 | .name = "hit", |
| 1189 | .cmp = hit_cmp, |
| 1190 | }; |
| 1191 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1192 | static int bytes_cmp(void *a, void *b) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1193 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1194 | struct alloc_stat *l = a; |
| 1195 | struct alloc_stat *r = b; |
| 1196 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1197 | if (l->bytes_alloc < r->bytes_alloc) |
| 1198 | return -1; |
| 1199 | else if (l->bytes_alloc > r->bytes_alloc) |
| 1200 | return 1; |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1204 | static struct sort_dimension bytes_sort_dimension = { |
| 1205 | .name = "bytes", |
| 1206 | .cmp = bytes_cmp, |
| 1207 | }; |
| 1208 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1209 | static int frag_cmp(void *a, void *b) |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 1210 | { |
| 1211 | double x, y; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1212 | struct alloc_stat *l = a; |
| 1213 | struct alloc_stat *r = b; |
Pekka Enberg | f3ced7c | 2009-11-22 11:58:00 +0200 | [diff] [blame] | 1214 | |
| 1215 | x = fragmentation(l->bytes_req, l->bytes_alloc); |
| 1216 | y = fragmentation(r->bytes_req, r->bytes_alloc); |
| 1217 | |
| 1218 | if (x < y) |
| 1219 | return -1; |
| 1220 | else if (x > y) |
| 1221 | return 1; |
| 1222 | return 0; |
| 1223 | } |
| 1224 | |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1225 | static struct sort_dimension frag_sort_dimension = { |
| 1226 | .name = "frag", |
| 1227 | .cmp = frag_cmp, |
| 1228 | }; |
| 1229 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1230 | static int pingpong_cmp(void *a, void *b) |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 1231 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1232 | struct alloc_stat *l = a; |
| 1233 | struct alloc_stat *r = b; |
| 1234 | |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 1235 | if (l->pingpong < r->pingpong) |
| 1236 | return -1; |
| 1237 | else if (l->pingpong > r->pingpong) |
| 1238 | return 1; |
| 1239 | return 0; |
| 1240 | } |
| 1241 | |
| 1242 | static struct sort_dimension pingpong_sort_dimension = { |
| 1243 | .name = "pingpong", |
| 1244 | .cmp = pingpong_cmp, |
| 1245 | }; |
| 1246 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1247 | /* page sort keys */ |
| 1248 | static int page_cmp(void *a, void *b) |
| 1249 | { |
| 1250 | struct page_stat *l = a; |
| 1251 | struct page_stat *r = b; |
| 1252 | |
| 1253 | if (l->page < r->page) |
| 1254 | return -1; |
| 1255 | else if (l->page > r->page) |
| 1256 | return 1; |
| 1257 | return 0; |
| 1258 | } |
| 1259 | |
| 1260 | static struct sort_dimension page_sort_dimension = { |
| 1261 | .name = "page", |
| 1262 | .cmp = page_cmp, |
| 1263 | }; |
| 1264 | |
| 1265 | static int page_callsite_cmp(void *a, void *b) |
| 1266 | { |
| 1267 | struct page_stat *l = a; |
| 1268 | struct page_stat *r = b; |
| 1269 | |
| 1270 | if (l->callsite < r->callsite) |
| 1271 | return -1; |
| 1272 | else if (l->callsite > r->callsite) |
| 1273 | return 1; |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
| 1277 | static struct sort_dimension page_callsite_sort_dimension = { |
| 1278 | .name = "callsite", |
| 1279 | .cmp = page_callsite_cmp, |
| 1280 | }; |
| 1281 | |
| 1282 | static int page_hit_cmp(void *a, void *b) |
| 1283 | { |
| 1284 | struct page_stat *l = a; |
| 1285 | struct page_stat *r = b; |
| 1286 | |
| 1287 | if (l->nr_alloc < r->nr_alloc) |
| 1288 | return -1; |
| 1289 | else if (l->nr_alloc > r->nr_alloc) |
| 1290 | return 1; |
| 1291 | return 0; |
| 1292 | } |
| 1293 | |
| 1294 | static struct sort_dimension page_hit_sort_dimension = { |
| 1295 | .name = "hit", |
| 1296 | .cmp = page_hit_cmp, |
| 1297 | }; |
| 1298 | |
| 1299 | static int page_bytes_cmp(void *a, void *b) |
| 1300 | { |
| 1301 | struct page_stat *l = a; |
| 1302 | struct page_stat *r = b; |
| 1303 | |
| 1304 | if (l->alloc_bytes < r->alloc_bytes) |
| 1305 | return -1; |
| 1306 | else if (l->alloc_bytes > r->alloc_bytes) |
| 1307 | return 1; |
| 1308 | return 0; |
| 1309 | } |
| 1310 | |
| 1311 | static struct sort_dimension page_bytes_sort_dimension = { |
| 1312 | .name = "bytes", |
| 1313 | .cmp = page_bytes_cmp, |
| 1314 | }; |
| 1315 | |
| 1316 | static int page_order_cmp(void *a, void *b) |
| 1317 | { |
| 1318 | struct page_stat *l = a; |
| 1319 | struct page_stat *r = b; |
| 1320 | |
| 1321 | if (l->order < r->order) |
| 1322 | return -1; |
| 1323 | else if (l->order > r->order) |
| 1324 | return 1; |
| 1325 | return 0; |
| 1326 | } |
| 1327 | |
| 1328 | static struct sort_dimension page_order_sort_dimension = { |
| 1329 | .name = "order", |
| 1330 | .cmp = page_order_cmp, |
| 1331 | }; |
| 1332 | |
| 1333 | static int migrate_type_cmp(void *a, void *b) |
| 1334 | { |
| 1335 | struct page_stat *l = a; |
| 1336 | struct page_stat *r = b; |
| 1337 | |
| 1338 | /* for internal use to find free'd page */ |
| 1339 | if (l->migrate_type == -1U) |
| 1340 | return 0; |
| 1341 | |
| 1342 | if (l->migrate_type < r->migrate_type) |
| 1343 | return -1; |
| 1344 | else if (l->migrate_type > r->migrate_type) |
| 1345 | return 1; |
| 1346 | return 0; |
| 1347 | } |
| 1348 | |
| 1349 | static struct sort_dimension migrate_type_sort_dimension = { |
| 1350 | .name = "migtype", |
| 1351 | .cmp = migrate_type_cmp, |
| 1352 | }; |
| 1353 | |
| 1354 | static int gfp_flags_cmp(void *a, void *b) |
| 1355 | { |
| 1356 | struct page_stat *l = a; |
| 1357 | struct page_stat *r = b; |
| 1358 | |
| 1359 | /* for internal use to find free'd page */ |
| 1360 | if (l->gfp_flags == -1U) |
| 1361 | return 0; |
| 1362 | |
| 1363 | if (l->gfp_flags < r->gfp_flags) |
| 1364 | return -1; |
| 1365 | else if (l->gfp_flags > r->gfp_flags) |
| 1366 | return 1; |
| 1367 | return 0; |
| 1368 | } |
| 1369 | |
| 1370 | static struct sort_dimension gfp_flags_sort_dimension = { |
| 1371 | .name = "gfp", |
| 1372 | .cmp = gfp_flags_cmp, |
| 1373 | }; |
| 1374 | |
| 1375 | static struct sort_dimension *slab_sorts[] = { |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1376 | &ptr_sort_dimension, |
| 1377 | &callsite_sort_dimension, |
| 1378 | &hit_sort_dimension, |
| 1379 | &bytes_sort_dimension, |
| 1380 | &frag_sort_dimension, |
Li Zefan | 079d3f6 | 2009-11-24 13:26:55 +0800 | [diff] [blame] | 1381 | &pingpong_sort_dimension, |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1382 | }; |
| 1383 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1384 | static struct sort_dimension *page_sorts[] = { |
| 1385 | &page_sort_dimension, |
| 1386 | &page_callsite_sort_dimension, |
| 1387 | &page_hit_sort_dimension, |
| 1388 | &page_bytes_sort_dimension, |
| 1389 | &page_order_sort_dimension, |
| 1390 | &migrate_type_sort_dimension, |
| 1391 | &gfp_flags_sort_dimension, |
| 1392 | }; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1393 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1394 | static int slab_sort_dimension__add(const char *tok, struct list_head *list) |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1395 | { |
| 1396 | struct sort_dimension *sort; |
| 1397 | int i; |
| 1398 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1399 | for (i = 0; i < (int)ARRAY_SIZE(slab_sorts); i++) { |
| 1400 | if (!strcmp(slab_sorts[i]->name, tok)) { |
| 1401 | sort = memdup(slab_sorts[i], sizeof(*slab_sorts[i])); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 1402 | if (!sort) { |
Arnaldo Carvalho de Melo | 8d9233f | 2013-01-24 22:24:57 -0300 | [diff] [blame] | 1403 | pr_err("%s: memdup failed\n", __func__); |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 1404 | return -1; |
| 1405 | } |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1406 | list_add_tail(&sort->list, list); |
| 1407 | return 0; |
| 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | return -1; |
| 1412 | } |
| 1413 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1414 | static int page_sort_dimension__add(const char *tok, struct list_head *list) |
| 1415 | { |
| 1416 | struct sort_dimension *sort; |
| 1417 | int i; |
| 1418 | |
| 1419 | for (i = 0; i < (int)ARRAY_SIZE(page_sorts); i++) { |
| 1420 | if (!strcmp(page_sorts[i]->name, tok)) { |
| 1421 | sort = memdup(page_sorts[i], sizeof(*page_sorts[i])); |
| 1422 | if (!sort) { |
| 1423 | pr_err("%s: memdup failed\n", __func__); |
| 1424 | return -1; |
| 1425 | } |
| 1426 | list_add_tail(&sort->list, list); |
| 1427 | return 0; |
| 1428 | } |
| 1429 | } |
| 1430 | |
| 1431 | return -1; |
| 1432 | } |
| 1433 | |
| 1434 | static int setup_slab_sorting(struct list_head *sort_list, const char *arg) |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1435 | { |
| 1436 | char *tok; |
| 1437 | char *str = strdup(arg); |
Namhyung Kim | 405f875 | 2015-03-12 16:32:46 +0900 | [diff] [blame] | 1438 | char *pos = str; |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1439 | |
Arnaldo Carvalho de Melo | 2814eb0 | 2012-09-08 22:53:06 -0300 | [diff] [blame] | 1440 | if (!str) { |
| 1441 | pr_err("%s: strdup failed\n", __func__); |
| 1442 | return -1; |
| 1443 | } |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1444 | |
| 1445 | while (true) { |
Namhyung Kim | 405f875 | 2015-03-12 16:32:46 +0900 | [diff] [blame] | 1446 | tok = strsep(&pos, ","); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1447 | if (!tok) |
| 1448 | break; |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1449 | if (slab_sort_dimension__add(tok, sort_list) < 0) { |
| 1450 | error("Unknown slab --sort key: '%s'", tok); |
| 1451 | free(str); |
| 1452 | return -1; |
| 1453 | } |
| 1454 | } |
| 1455 | |
| 1456 | free(str); |
| 1457 | return 0; |
| 1458 | } |
| 1459 | |
| 1460 | static int setup_page_sorting(struct list_head *sort_list, const char *arg) |
| 1461 | { |
| 1462 | char *tok; |
| 1463 | char *str = strdup(arg); |
| 1464 | char *pos = str; |
| 1465 | |
| 1466 | if (!str) { |
| 1467 | pr_err("%s: strdup failed\n", __func__); |
| 1468 | return -1; |
| 1469 | } |
| 1470 | |
| 1471 | while (true) { |
| 1472 | tok = strsep(&pos, ","); |
| 1473 | if (!tok) |
| 1474 | break; |
| 1475 | if (page_sort_dimension__add(tok, sort_list) < 0) { |
| 1476 | error("Unknown page --sort key: '%s'", tok); |
Namhyung Kim | 1b22859 | 2012-01-08 02:25:29 +0900 | [diff] [blame] | 1477 | free(str); |
Li Zefan | 29b3e15 | 2009-11-24 13:26:10 +0800 | [diff] [blame] | 1478 | return -1; |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | free(str); |
| 1483 | return 0; |
| 1484 | } |
| 1485 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1486 | static int parse_sort_opt(const struct option *opt __maybe_unused, |
| 1487 | const char *arg, int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1488 | { |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1489 | if (!arg) |
| 1490 | return -1; |
| 1491 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1492 | if (kmem_page > kmem_slab) { |
| 1493 | if (caller_flag > alloc_flag) |
| 1494 | return setup_page_sorting(&page_caller_sort, arg); |
| 1495 | else |
| 1496 | return setup_page_sorting(&page_alloc_sort, arg); |
| 1497 | } else { |
| 1498 | if (caller_flag > alloc_flag) |
| 1499 | return setup_slab_sorting(&slab_caller_sort, arg); |
| 1500 | else |
| 1501 | return setup_slab_sorting(&slab_alloc_sort, arg); |
| 1502 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1503 | |
| 1504 | return 0; |
| 1505 | } |
| 1506 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1507 | static int parse_caller_opt(const struct option *opt __maybe_unused, |
| 1508 | const char *arg __maybe_unused, |
| 1509 | int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1510 | { |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 1511 | caller_flag = (alloc_flag + 1); |
| 1512 | return 0; |
| 1513 | } |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1514 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1515 | static int parse_alloc_opt(const struct option *opt __maybe_unused, |
| 1516 | const char *arg __maybe_unused, |
| 1517 | int unset __maybe_unused) |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 1518 | { |
| 1519 | alloc_flag = (caller_flag + 1); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1520 | return 0; |
| 1521 | } |
| 1522 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1523 | static int parse_slab_opt(const struct option *opt __maybe_unused, |
| 1524 | const char *arg __maybe_unused, |
| 1525 | int unset __maybe_unused) |
| 1526 | { |
| 1527 | kmem_slab = (kmem_page + 1); |
| 1528 | return 0; |
| 1529 | } |
| 1530 | |
| 1531 | static int parse_page_opt(const struct option *opt __maybe_unused, |
| 1532 | const char *arg __maybe_unused, |
| 1533 | int unset __maybe_unused) |
| 1534 | { |
| 1535 | kmem_page = (kmem_slab + 1); |
| 1536 | return 0; |
| 1537 | } |
| 1538 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1539 | static int parse_line_opt(const struct option *opt __maybe_unused, |
| 1540 | const char *arg, int unset __maybe_unused) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1541 | { |
| 1542 | int lines; |
| 1543 | |
| 1544 | if (!arg) |
| 1545 | return -1; |
| 1546 | |
| 1547 | lines = strtoul(arg, NULL, 10); |
| 1548 | |
| 1549 | if (caller_flag > alloc_flag) |
| 1550 | caller_lines = lines; |
| 1551 | else |
| 1552 | alloc_lines = lines; |
| 1553 | |
| 1554 | return 0; |
| 1555 | } |
| 1556 | |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1557 | static int __cmd_record(int argc, const char **argv) |
| 1558 | { |
| 1559 | const char * const record_args[] = { |
Jiri Olsa | 4a4d371 | 2013-06-05 13:37:21 +0200 | [diff] [blame] | 1560 | "record", "-a", "-R", "-c", "1", |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1561 | }; |
| 1562 | const char * const slab_events[] = { |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1563 | "-e", "kmem:kmalloc", |
| 1564 | "-e", "kmem:kmalloc_node", |
| 1565 | "-e", "kmem:kfree", |
| 1566 | "-e", "kmem:kmem_cache_alloc", |
| 1567 | "-e", "kmem:kmem_cache_alloc_node", |
| 1568 | "-e", "kmem:kmem_cache_free", |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1569 | }; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1570 | const char * const page_events[] = { |
| 1571 | "-e", "kmem:mm_page_alloc", |
| 1572 | "-e", "kmem:mm_page_free", |
| 1573 | }; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1574 | unsigned int rec_argc, i, j; |
| 1575 | const char **rec_argv; |
| 1576 | |
| 1577 | rec_argc = ARRAY_SIZE(record_args) + argc - 1; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1578 | if (kmem_slab) |
| 1579 | rec_argc += ARRAY_SIZE(slab_events); |
| 1580 | if (kmem_page) |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 1581 | rec_argc += ARRAY_SIZE(page_events) + 1; /* for -g */ |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1582 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1583 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 1584 | |
Chris Samuel | ce47dc5 | 2010-11-13 13:35:06 +1100 | [diff] [blame] | 1585 | if (rec_argv == NULL) |
| 1586 | return -ENOMEM; |
| 1587 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1588 | for (i = 0; i < ARRAY_SIZE(record_args); i++) |
| 1589 | rec_argv[i] = strdup(record_args[i]); |
| 1590 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1591 | if (kmem_slab) { |
| 1592 | for (j = 0; j < ARRAY_SIZE(slab_events); j++, i++) |
| 1593 | rec_argv[i] = strdup(slab_events[j]); |
| 1594 | } |
| 1595 | if (kmem_page) { |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 1596 | rec_argv[i++] = strdup("-g"); |
| 1597 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1598 | for (j = 0; j < ARRAY_SIZE(page_events); j++, i++) |
| 1599 | rec_argv[i] = strdup(page_events[j]); |
| 1600 | } |
| 1601 | |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1602 | for (j = 1; j < (unsigned int)argc; j++, i++) |
| 1603 | rec_argv[i] = argv[j]; |
| 1604 | |
| 1605 | return cmd_record(i, rec_argv, NULL); |
| 1606 | } |
| 1607 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1608 | 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] | 1609 | { |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1610 | const char * const default_slab_sort = "frag,hit,bytes"; |
| 1611 | const char * const default_page_sort = "bytes,hit"; |
Yunlong Song | d1eeb77 | 2015-04-02 21:47:12 +0800 | [diff] [blame] | 1612 | struct perf_data_file file = { |
Yunlong Song | d1eeb77 | 2015-04-02 21:47:12 +0800 | [diff] [blame] | 1613 | .mode = PERF_DATA_MODE_READ, |
| 1614 | }; |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1615 | const struct option kmem_options[] = { |
| 1616 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
Namhyung Kim | bd72a33 | 2015-03-12 16:32:47 +0900 | [diff] [blame] | 1617 | OPT_INCR('v', "verbose", &verbose, |
| 1618 | "be more verbose (show symbol address, etc)"), |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1619 | OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL, |
| 1620 | "show per-callsite statistics", parse_caller_opt), |
| 1621 | OPT_CALLBACK_NOOPT(0, "alloc", NULL, NULL, |
| 1622 | "show per-allocation statistics", parse_alloc_opt), |
| 1623 | OPT_CALLBACK('s', "sort", NULL, "key[,key2...]", |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1624 | "sort by keys: ptr, callsite, bytes, hit, pingpong, frag, " |
| 1625 | "page, order, migtype, gfp", parse_sort_opt), |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1626 | OPT_CALLBACK('l', "line", NULL, "num", "show n lines", parse_line_opt), |
| 1627 | OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"), |
Yunlong Song | d1eeb77 | 2015-04-02 21:47:12 +0800 | [diff] [blame] | 1628 | OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"), |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1629 | OPT_CALLBACK_NOOPT(0, "slab", NULL, NULL, "Analyze slab allocator", |
| 1630 | parse_slab_opt), |
| 1631 | OPT_CALLBACK_NOOPT(0, "page", NULL, NULL, "Analyze page allocator", |
| 1632 | parse_page_opt), |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1633 | OPT_END() |
| 1634 | }; |
Ramkumar Ramachandra | 3bca235 | 2014-03-14 23:17:51 -0400 | [diff] [blame] | 1635 | const char *const kmem_subcommands[] = { "record", "stat", NULL }; |
| 1636 | const char *kmem_usage[] = { |
| 1637 | NULL, |
Arnaldo Carvalho de Melo | 0433ffb | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1638 | NULL |
| 1639 | }; |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1640 | struct perf_session *session; |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1641 | int ret = -1; |
| 1642 | |
Ramkumar Ramachandra | 3bca235 | 2014-03-14 23:17:51 -0400 | [diff] [blame] | 1643 | argc = parse_options_subcommand(argc, argv, kmem_options, |
| 1644 | kmem_subcommands, kmem_usage, 0); |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1645 | |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 1646 | if (!argc) |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1647 | usage_with_options(kmem_usage, kmem_options); |
| 1648 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1649 | if (kmem_slab == 0 && kmem_page == 0) |
| 1650 | kmem_slab = 1; /* for backward compatibility */ |
| 1651 | |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1652 | if (!strncmp(argv[0], "rec", 3)) { |
Namhyung Kim | 0a7e6d1 | 2014-08-12 15:40:45 +0900 | [diff] [blame] | 1653 | symbol__init(NULL); |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1654 | return __cmd_record(argc, argv); |
| 1655 | } |
| 1656 | |
Jiri Olsa | 28939e1 | 2015-04-06 14:36:08 +0900 | [diff] [blame] | 1657 | file.path = input_name; |
| 1658 | |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 1659 | kmem_session = session = perf_session__new(&file, false, &perf_kmem); |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1660 | if (session == NULL) |
Taeung Song | 52e02834 | 2014-09-24 10:33:37 +0900 | [diff] [blame] | 1661 | return -1; |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1662 | |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1663 | if (kmem_page) { |
| 1664 | struct perf_evsel *evsel = perf_evlist__first(session->evlist); |
| 1665 | |
| 1666 | if (evsel == NULL || evsel->tp_format == NULL) { |
| 1667 | pr_err("invalid event found.. aborting\n"); |
| 1668 | return -1; |
| 1669 | } |
| 1670 | |
| 1671 | kmem_page_size = pevent_get_page_size(evsel->tp_format->pevent); |
Namhyung Kim | c9758cc | 2015-04-21 13:55:02 +0900 | [diff] [blame] | 1672 | symbol_conf.use_callchain = true; |
Namhyung Kim | 0d68bc9 | 2015-04-06 14:36:10 +0900 | [diff] [blame] | 1673 | } |
| 1674 | |
Namhyung Kim | 0a7e6d1 | 2014-08-12 15:40:45 +0900 | [diff] [blame] | 1675 | symbol__init(&session->header.env); |
Arnaldo Carvalho de Melo | 655000e | 2009-12-15 20:04:40 -0200 | [diff] [blame] | 1676 | |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1677 | if (!strcmp(argv[0], "stat")) { |
Namhyung Kim | 77cfe38 | 2015-03-23 15:30:40 +0900 | [diff] [blame] | 1678 | setlocale(LC_ALL, ""); |
| 1679 | |
Don Zickus | 4b62795 | 2014-04-07 14:55:23 -0400 | [diff] [blame] | 1680 | if (cpu__setup_cpunode_map()) |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1681 | goto out_delete; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1682 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1683 | if (list_empty(&slab_caller_sort)) |
| 1684 | setup_slab_sorting(&slab_caller_sort, default_slab_sort); |
| 1685 | if (list_empty(&slab_alloc_sort)) |
| 1686 | setup_slab_sorting(&slab_alloc_sort, default_slab_sort); |
| 1687 | if (list_empty(&page_caller_sort)) |
| 1688 | setup_page_sorting(&page_caller_sort, default_page_sort); |
| 1689 | if (list_empty(&page_alloc_sort)) |
| 1690 | setup_page_sorting(&page_alloc_sort, default_page_sort); |
Li Zefan | 7d0d394 | 2009-11-24 13:26:31 +0800 | [diff] [blame] | 1691 | |
Namhyung Kim | fb4f313 | 2015-04-21 13:55:03 +0900 | [diff] [blame^] | 1692 | if (kmem_page) { |
| 1693 | setup_page_sorting(&page_alloc_sort_input, |
| 1694 | "page,order,migtype,gfp"); |
| 1695 | setup_page_sorting(&page_caller_sort_input, |
| 1696 | "callsite,order,migtype,gfp"); |
| 1697 | } |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1698 | ret = __cmd_kmem(session); |
Pekka Enberg | b00eca8 | 2010-01-19 19:26:11 +0200 | [diff] [blame] | 1699 | } else |
| 1700 | usage_with_options(kmem_usage, kmem_options); |
Li Zefan | 90b86a9 | 2009-12-10 15:21:57 +0800 | [diff] [blame] | 1701 | |
Namhyung Kim | 2b2b2c6 | 2014-08-12 15:40:38 +0900 | [diff] [blame] | 1702 | out_delete: |
| 1703 | perf_session__delete(session); |
| 1704 | |
| 1705 | return ret; |
Li Zefan | ba77c9e | 2009-11-20 15:53:25 +0800 | [diff] [blame] | 1706 | } |
| 1707 | |