Commit | Line | Data |
---|---|---|
028f12ee SE |
1 | #include "builtin.h" |
2 | #include "perf.h" | |
3 | ||
4 | #include "util/parse-options.h" | |
5 | #include "util/trace-event.h" | |
6 | #include "util/tool.h" | |
7 | #include "util/session.h" | |
8 | ||
9 | #define MEM_OPERATION_LOAD "load" | |
10 | #define MEM_OPERATION_STORE "store" | |
11 | ||
12 | static const char *mem_operation = MEM_OPERATION_LOAD; | |
13 | ||
14 | struct perf_mem { | |
15 | struct perf_tool tool; | |
16 | char const *input_name; | |
17 | symbol_filter_t annotate_init; | |
18 | bool hide_unresolved; | |
19 | bool dump_raw; | |
20 | const char *cpu_list; | |
21 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
22 | }; | |
23 | ||
24 | static const char * const mem_usage[] = { | |
25 | "perf mem [<options>] {record <command> |report}", | |
26 | NULL | |
27 | }; | |
28 | ||
29 | static int __cmd_record(int argc, const char **argv) | |
30 | { | |
31 | int rec_argc, i = 0, j; | |
32 | const char **rec_argv; | |
33 | char event[64]; | |
34 | int ret; | |
35 | ||
36 | rec_argc = argc + 4; | |
37 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
38 | if (!rec_argv) | |
39 | return -1; | |
40 | ||
41 | rec_argv[i++] = strdup("record"); | |
42 | if (!strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
43 | rec_argv[i++] = strdup("-W"); | |
44 | rec_argv[i++] = strdup("-d"); | |
45 | rec_argv[i++] = strdup("-e"); | |
46 | ||
47 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
48 | sprintf(event, "cpu/mem-stores/pp"); | |
49 | else | |
50 | sprintf(event, "cpu/mem-loads/pp"); | |
51 | ||
52 | rec_argv[i++] = strdup(event); | |
53 | for (j = 1; j < argc; j++, i++) | |
54 | rec_argv[i] = argv[j]; | |
55 | ||
56 | ret = cmd_record(i, rec_argv, NULL); | |
57 | free(rec_argv); | |
58 | return ret; | |
59 | } | |
60 | ||
61 | static int | |
62 | dump_raw_samples(struct perf_tool *tool, | |
63 | union perf_event *event, | |
64 | struct perf_sample *sample, | |
65 | struct perf_evsel *evsel __maybe_unused, | |
66 | struct machine *machine) | |
67 | { | |
68 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
69 | struct addr_location al; | |
70 | const char *fmt; | |
71 | ||
72 | if (perf_event__preprocess_sample(event, machine, &al, sample, | |
73 | mem->annotate_init) < 0) { | |
74 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
75 | event->header.type); | |
76 | return -1; | |
77 | } | |
78 | ||
79 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
80 | return 0; | |
81 | ||
82 | if (al.map != NULL) | |
83 | al.map->dso->hit = 1; | |
84 | ||
85 | if (symbol_conf.field_sep) { | |
86 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
87 | "%s0x%"PRIx64"%s%s:%s\n"; | |
88 | } else { | |
89 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
90 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
91 | symbol_conf.field_sep = " "; | |
92 | } | |
93 | ||
94 | printf(fmt, | |
95 | sample->pid, | |
96 | symbol_conf.field_sep, | |
97 | sample->tid, | |
98 | symbol_conf.field_sep, | |
99 | event->ip.ip, | |
100 | symbol_conf.field_sep, | |
101 | sample->addr, | |
102 | symbol_conf.field_sep, | |
103 | sample->weight, | |
104 | symbol_conf.field_sep, | |
105 | sample->data_src, | |
106 | symbol_conf.field_sep, | |
107 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
108 | al.sym ? al.sym->name : "???"); | |
109 | ||
110 | return 0; | |
111 | } | |
112 | ||
113 | static int process_sample_event(struct perf_tool *tool, | |
114 | union perf_event *event, | |
115 | struct perf_sample *sample, | |
116 | struct perf_evsel *evsel, | |
117 | struct machine *machine) | |
118 | { | |
119 | return dump_raw_samples(tool, event, sample, evsel, machine); | |
120 | } | |
121 | ||
122 | static int report_raw_events(struct perf_mem *mem) | |
123 | { | |
124 | int err = -EINVAL; | |
125 | int ret; | |
126 | struct perf_session *session = perf_session__new(input_name, O_RDONLY, | |
127 | 0, false, &mem->tool); | |
128 | ||
129 | if (session == NULL) | |
130 | return -ENOMEM; | |
131 | ||
132 | if (mem->cpu_list) { | |
133 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
134 | mem->cpu_bitmap); | |
135 | if (ret) | |
136 | goto out_delete; | |
137 | } | |
138 | ||
139 | if (symbol__init() < 0) | |
140 | return -1; | |
141 | ||
142 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
143 | ||
144 | err = perf_session__process_events(session, &mem->tool); | |
145 | if (err) | |
146 | return err; | |
147 | ||
148 | return 0; | |
149 | ||
150 | out_delete: | |
151 | perf_session__delete(session); | |
152 | return err; | |
153 | } | |
154 | ||
155 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
156 | { | |
157 | const char **rep_argv; | |
158 | int ret, i = 0, j, rep_argc; | |
159 | ||
160 | if (mem->dump_raw) | |
161 | return report_raw_events(mem); | |
162 | ||
163 | rep_argc = argc + 3; | |
164 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
165 | if (!rep_argv) | |
166 | return -1; | |
167 | ||
168 | rep_argv[i++] = strdup("report"); | |
169 | rep_argv[i++] = strdup("--mem-mode"); | |
170 | rep_argv[i++] = strdup("-n"); /* display number of samples */ | |
171 | ||
172 | /* | |
173 | * there is no weight (cost) associated with stores, so don't print | |
174 | * the column | |
175 | */ | |
176 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
177 | rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr," | |
178 | "dso_daddr,tlb,locked"); | |
179 | ||
180 | for (j = 1; j < argc; j++, i++) | |
181 | rep_argv[i] = argv[j]; | |
182 | ||
183 | ret = cmd_report(i, rep_argv, NULL); | |
184 | free(rep_argv); | |
185 | return ret; | |
186 | } | |
187 | ||
188 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) | |
189 | { | |
190 | struct stat st; | |
191 | struct perf_mem mem = { | |
192 | .tool = { | |
193 | .sample = process_sample_event, | |
194 | .mmap = perf_event__process_mmap, | |
195 | .comm = perf_event__process_comm, | |
196 | .lost = perf_event__process_lost, | |
197 | .fork = perf_event__process_fork, | |
198 | .build_id = perf_event__process_build_id, | |
199 | .ordered_samples = true, | |
200 | }, | |
201 | .input_name = "perf.data", | |
202 | }; | |
203 | const struct option mem_options[] = { | |
204 | OPT_STRING('t', "type", &mem_operation, | |
205 | "type", "memory operations(load/store)"), | |
206 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, | |
207 | "dump raw samples in ASCII"), | |
208 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
209 | "Only display entries resolved to a symbol"), | |
210 | OPT_STRING('i', "input", &input_name, "file", | |
211 | "input file name"), | |
212 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
213 | "list of cpus to profile"), | |
214 | OPT_STRING('x', "field-separator", &symbol_conf.field_sep, | |
215 | "separator", | |
216 | "separator for columns, no spaces will be added" | |
217 | " between columns '.' is reserved."), | |
218 | OPT_END() | |
219 | }; | |
220 | ||
221 | argc = parse_options(argc, argv, mem_options, mem_usage, | |
222 | PARSE_OPT_STOP_AT_NON_OPTION); | |
223 | ||
224 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) | |
225 | usage_with_options(mem_usage, mem_options); | |
226 | ||
227 | if (!mem.input_name || !strlen(mem.input_name)) { | |
228 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
229 | mem.input_name = "-"; | |
230 | else | |
231 | mem.input_name = "perf.data"; | |
232 | } | |
233 | ||
234 | if (!strncmp(argv[0], "rec", 3)) | |
235 | return __cmd_record(argc, argv); | |
236 | else if (!strncmp(argv[0], "rep", 3)) | |
237 | return report_events(argc, argv, &mem); | |
238 | else | |
239 | usage_with_options(mem_usage, mem_options); | |
240 | ||
241 | return 0; | |
242 | } |