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; | |
028f12ee SE |
17 | bool hide_unresolved; |
18 | bool dump_raw; | |
19 | const char *cpu_list; | |
20 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
21 | }; | |
22 | ||
23 | static const char * const mem_usage[] = { | |
24 | "perf mem [<options>] {record <command> |report}", | |
25 | NULL | |
26 | }; | |
27 | ||
28 | static int __cmd_record(int argc, const char **argv) | |
29 | { | |
30 | int rec_argc, i = 0, j; | |
31 | const char **rec_argv; | |
32 | char event[64]; | |
33 | int ret; | |
34 | ||
35 | rec_argc = argc + 4; | |
36 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
37 | if (!rec_argv) | |
38 | return -1; | |
39 | ||
40 | rec_argv[i++] = strdup("record"); | |
41 | if (!strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
42 | rec_argv[i++] = strdup("-W"); | |
43 | rec_argv[i++] = strdup("-d"); | |
44 | rec_argv[i++] = strdup("-e"); | |
45 | ||
46 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
47 | sprintf(event, "cpu/mem-stores/pp"); | |
48 | else | |
49 | sprintf(event, "cpu/mem-loads/pp"); | |
50 | ||
51 | rec_argv[i++] = strdup(event); | |
52 | for (j = 1; j < argc; j++, i++) | |
53 | rec_argv[i] = argv[j]; | |
54 | ||
55 | ret = cmd_record(i, rec_argv, NULL); | |
56 | free(rec_argv); | |
57 | return ret; | |
58 | } | |
59 | ||
60 | static int | |
61 | dump_raw_samples(struct perf_tool *tool, | |
62 | union perf_event *event, | |
63 | struct perf_sample *sample, | |
64 | struct perf_evsel *evsel __maybe_unused, | |
65 | struct machine *machine) | |
66 | { | |
67 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
68 | struct addr_location al; | |
69 | const char *fmt; | |
70 | ||
71 | if (perf_event__preprocess_sample(event, machine, &al, sample, | |
2d8cc685 | 72 | NULL) < 0) { |
028f12ee SE |
73 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
74 | event->header.type); | |
75 | return -1; | |
76 | } | |
77 | ||
78 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
79 | return 0; | |
80 | ||
81 | if (al.map != NULL) | |
82 | al.map->dso->hit = 1; | |
83 | ||
84 | if (symbol_conf.field_sep) { | |
85 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
86 | "%s0x%"PRIx64"%s%s:%s\n"; | |
87 | } else { | |
88 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
89 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
90 | symbol_conf.field_sep = " "; | |
91 | } | |
92 | ||
93 | printf(fmt, | |
94 | sample->pid, | |
95 | symbol_conf.field_sep, | |
96 | sample->tid, | |
97 | symbol_conf.field_sep, | |
98 | event->ip.ip, | |
99 | symbol_conf.field_sep, | |
100 | sample->addr, | |
101 | symbol_conf.field_sep, | |
102 | sample->weight, | |
103 | symbol_conf.field_sep, | |
104 | sample->data_src, | |
105 | symbol_conf.field_sep, | |
106 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
107 | al.sym ? al.sym->name : "???"); | |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
112 | static int process_sample_event(struct perf_tool *tool, | |
113 | union perf_event *event, | |
114 | struct perf_sample *sample, | |
115 | struct perf_evsel *evsel, | |
116 | struct machine *machine) | |
117 | { | |
118 | return dump_raw_samples(tool, event, sample, evsel, machine); | |
119 | } | |
120 | ||
121 | static int report_raw_events(struct perf_mem *mem) | |
122 | { | |
123 | int err = -EINVAL; | |
124 | int ret; | |
125 | struct perf_session *session = perf_session__new(input_name, O_RDONLY, | |
126 | 0, false, &mem->tool); | |
127 | ||
128 | if (session == NULL) | |
129 | return -ENOMEM; | |
130 | ||
131 | if (mem->cpu_list) { | |
132 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
133 | mem->cpu_bitmap); | |
134 | if (ret) | |
135 | goto out_delete; | |
136 | } | |
137 | ||
138 | if (symbol__init() < 0) | |
139 | return -1; | |
140 | ||
141 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
142 | ||
143 | err = perf_session__process_events(session, &mem->tool); | |
144 | if (err) | |
145 | return err; | |
146 | ||
147 | return 0; | |
148 | ||
149 | out_delete: | |
150 | perf_session__delete(session); | |
151 | return err; | |
152 | } | |
153 | ||
154 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
155 | { | |
156 | const char **rep_argv; | |
157 | int ret, i = 0, j, rep_argc; | |
158 | ||
159 | if (mem->dump_raw) | |
160 | return report_raw_events(mem); | |
161 | ||
162 | rep_argc = argc + 3; | |
163 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
164 | if (!rep_argv) | |
165 | return -1; | |
166 | ||
167 | rep_argv[i++] = strdup("report"); | |
168 | rep_argv[i++] = strdup("--mem-mode"); | |
169 | rep_argv[i++] = strdup("-n"); /* display number of samples */ | |
170 | ||
171 | /* | |
172 | * there is no weight (cost) associated with stores, so don't print | |
173 | * the column | |
174 | */ | |
175 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
176 | rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr," | |
177 | "dso_daddr,tlb,locked"); | |
178 | ||
179 | for (j = 1; j < argc; j++, i++) | |
180 | rep_argv[i] = argv[j]; | |
181 | ||
182 | ret = cmd_report(i, rep_argv, NULL); | |
183 | free(rep_argv); | |
184 | return ret; | |
185 | } | |
186 | ||
187 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) | |
188 | { | |
189 | struct stat st; | |
190 | struct perf_mem mem = { | |
191 | .tool = { | |
192 | .sample = process_sample_event, | |
193 | .mmap = perf_event__process_mmap, | |
194 | .comm = perf_event__process_comm, | |
195 | .lost = perf_event__process_lost, | |
196 | .fork = perf_event__process_fork, | |
197 | .build_id = perf_event__process_build_id, | |
198 | .ordered_samples = true, | |
199 | }, | |
200 | .input_name = "perf.data", | |
201 | }; | |
202 | const struct option mem_options[] = { | |
203 | OPT_STRING('t', "type", &mem_operation, | |
204 | "type", "memory operations(load/store)"), | |
205 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, | |
206 | "dump raw samples in ASCII"), | |
207 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
208 | "Only display entries resolved to a symbol"), | |
209 | OPT_STRING('i', "input", &input_name, "file", | |
210 | "input file name"), | |
211 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
212 | "list of cpus to profile"), | |
213 | OPT_STRING('x', "field-separator", &symbol_conf.field_sep, | |
214 | "separator", | |
215 | "separator for columns, no spaces will be added" | |
216 | " between columns '.' is reserved."), | |
217 | OPT_END() | |
218 | }; | |
219 | ||
220 | argc = parse_options(argc, argv, mem_options, mem_usage, | |
221 | PARSE_OPT_STOP_AT_NON_OPTION); | |
222 | ||
223 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) | |
224 | usage_with_options(mem_usage, mem_options); | |
225 | ||
226 | if (!mem.input_name || !strlen(mem.input_name)) { | |
227 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
228 | mem.input_name = "-"; | |
229 | else | |
230 | mem.input_name = "perf.data"; | |
231 | } | |
232 | ||
233 | if (!strncmp(argv[0], "rec", 3)) | |
234 | return __cmd_record(argc, argv); | |
235 | else if (!strncmp(argv[0], "rep", 3)) | |
236 | return report_events(argc, argv, &mem); | |
237 | else | |
238 | usage_with_options(mem_usage, mem_options); | |
239 | ||
240 | return 0; | |
241 | } |