blob: 4a1a6c94a5ebcb5b7a08bef5034f22419ce07c77 [file] [log] [blame]
Stephane Eranian028f12e2013-01-24 16:10:38 +01001#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"
Jiri Olsaf5fc1412013-10-15 16:27:32 +02008#include "util/data.h"
Stephane Eranian028f12e2013-01-24 16:10:38 +01009
10#define MEM_OPERATION_LOAD "load"
11#define MEM_OPERATION_STORE "store"
12
13static const char *mem_operation = MEM_OPERATION_LOAD;
14
15struct perf_mem {
16 struct perf_tool tool;
17 char const *input_name;
Stephane Eranian028f12e2013-01-24 16:10:38 +010018 bool hide_unresolved;
19 bool dump_raw;
20 const char *cpu_list;
21 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
22};
23
Stephane Eranian028f12e2013-01-24 16:10:38 +010024static int __cmd_record(int argc, const char **argv)
25{
26 int rec_argc, i = 0, j;
27 const char **rec_argv;
28 char event[64];
29 int ret;
30
31 rec_argc = argc + 4;
32 rec_argv = calloc(rec_argc + 1, sizeof(char *));
33 if (!rec_argv)
34 return -1;
35
36 rec_argv[i++] = strdup("record");
37 if (!strcmp(mem_operation, MEM_OPERATION_LOAD))
38 rec_argv[i++] = strdup("-W");
39 rec_argv[i++] = strdup("-d");
40 rec_argv[i++] = strdup("-e");
41
42 if (strcmp(mem_operation, MEM_OPERATION_LOAD))
43 sprintf(event, "cpu/mem-stores/pp");
44 else
45 sprintf(event, "cpu/mem-loads/pp");
46
47 rec_argv[i++] = strdup(event);
48 for (j = 1; j < argc; j++, i++)
49 rec_argv[i] = argv[j];
50
51 ret = cmd_record(i, rec_argv, NULL);
52 free(rec_argv);
53 return ret;
54}
55
56static int
57dump_raw_samples(struct perf_tool *tool,
58 union perf_event *event,
59 struct perf_sample *sample,
Stephane Eranian028f12e2013-01-24 16:10:38 +010060 struct machine *machine)
61{
62 struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
63 struct addr_location al;
64 const char *fmt;
65
Adrian Huntere44baa32013-08-08 14:32:25 +030066 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
Stephane Eranian028f12e2013-01-24 16:10:38 +010067 fprintf(stderr, "problem processing %d event, skipping it.\n",
68 event->header.type);
69 return -1;
70 }
71
72 if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
73 return 0;
74
75 if (al.map != NULL)
76 al.map->dso->hit = 1;
77
78 if (symbol_conf.field_sep) {
79 fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
80 "%s0x%"PRIx64"%s%s:%s\n";
81 } else {
82 fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
83 "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
84 symbol_conf.field_sep = " ";
85 }
86
87 printf(fmt,
88 sample->pid,
89 symbol_conf.field_sep,
90 sample->tid,
91 symbol_conf.field_sep,
Adrian Hunteref893252013-08-27 11:23:06 +030092 sample->ip,
Stephane Eranian028f12e2013-01-24 16:10:38 +010093 symbol_conf.field_sep,
94 sample->addr,
95 symbol_conf.field_sep,
96 sample->weight,
97 symbol_conf.field_sep,
98 sample->data_src,
99 symbol_conf.field_sep,
100 al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
101 al.sym ? al.sym->name : "???");
102
103 return 0;
104}
105
106static int process_sample_event(struct perf_tool *tool,
107 union perf_event *event,
108 struct perf_sample *sample,
Arnaldo Carvalho de Melo8b640cc2013-12-19 17:00:45 -0300109 struct perf_evsel *evsel __maybe_unused,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100110 struct machine *machine)
111{
Arnaldo Carvalho de Melo8b640cc2013-12-19 17:00:45 -0300112 return dump_raw_samples(tool, event, sample, machine);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100113}
114
115static int report_raw_events(struct perf_mem *mem)
116{
Jiri Olsaf5fc1412013-10-15 16:27:32 +0200117 struct perf_data_file file = {
118 .path = input_name,
119 .mode = PERF_DATA_MODE_READ,
120 };
Stephane Eranian028f12e2013-01-24 16:10:38 +0100121 int err = -EINVAL;
122 int ret;
Jiri Olsaf5fc1412013-10-15 16:27:32 +0200123 struct perf_session *session = perf_session__new(&file, false,
124 &mem->tool);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100125
126 if (session == NULL)
127 return -ENOMEM;
128
129 if (mem->cpu_list) {
130 ret = perf_session__cpu_bitmap(session, mem->cpu_list,
131 mem->cpu_bitmap);
132 if (ret)
133 goto out_delete;
134 }
135
136 if (symbol__init() < 0)
137 return -1;
138
139 printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
140
141 err = perf_session__process_events(session, &mem->tool);
142 if (err)
143 return err;
144
145 return 0;
146
147out_delete:
148 perf_session__delete(session);
149 return err;
150}
151
152static int report_events(int argc, const char **argv, struct perf_mem *mem)
153{
154 const char **rep_argv;
155 int ret, i = 0, j, rep_argc;
156
157 if (mem->dump_raw)
158 return report_raw_events(mem);
159
160 rep_argc = argc + 3;
161 rep_argv = calloc(rep_argc + 1, sizeof(char *));
162 if (!rep_argv)
163 return -1;
164
165 rep_argv[i++] = strdup("report");
166 rep_argv[i++] = strdup("--mem-mode");
167 rep_argv[i++] = strdup("-n"); /* display number of samples */
168
169 /*
170 * there is no weight (cost) associated with stores, so don't print
171 * the column
172 */
173 if (strcmp(mem_operation, MEM_OPERATION_LOAD))
174 rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr,"
175 "dso_daddr,tlb,locked");
176
177 for (j = 1; j < argc; j++, i++)
178 rep_argv[i] = argv[j];
179
180 ret = cmd_report(i, rep_argv, NULL);
181 free(rep_argv);
182 return ret;
183}
184
185int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
186{
187 struct stat st;
188 struct perf_mem mem = {
189 .tool = {
190 .sample = process_sample_event,
191 .mmap = perf_event__process_mmap,
Stephane Eranian5c5e8542013-08-21 12:10:25 +0200192 .mmap2 = perf_event__process_mmap2,
Stephane Eranian028f12e2013-01-24 16:10:38 +0100193 .comm = perf_event__process_comm,
194 .lost = perf_event__process_lost,
195 .fork = perf_event__process_fork,
196 .build_id = perf_event__process_build_id,
197 .ordered_samples = true,
198 },
199 .input_name = "perf.data",
200 };
201 const struct option mem_options[] = {
202 OPT_STRING('t', "type", &mem_operation,
203 "type", "memory operations(load/store)"),
204 OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
205 "dump raw samples in ASCII"),
206 OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
207 "Only display entries resolved to a symbol"),
208 OPT_STRING('i', "input", &input_name, "file",
209 "input file name"),
210 OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
211 "list of cpus to profile"),
212 OPT_STRING('x', "field-separator", &symbol_conf.field_sep,
213 "separator",
214 "separator for columns, no spaces will be added"
215 " between columns '.' is reserved."),
216 OPT_END()
217 };
Ramkumar Ramachandra8d2a2a12014-03-14 23:17:52 -0400218 const char *const mem_subcommands[] = { "record", "report", NULL };
219 const char *mem_usage[] = {
220 NULL,
221 NULL
222 };
Stephane Eranian028f12e2013-01-24 16:10:38 +0100223
Ramkumar Ramachandra8d2a2a12014-03-14 23:17:52 -0400224
225 argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
226 mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eranian028f12e2013-01-24 16:10:38 +0100227
228 if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation))
229 usage_with_options(mem_usage, mem_options);
230
231 if (!mem.input_name || !strlen(mem.input_name)) {
232 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
233 mem.input_name = "-";
234 else
235 mem.input_name = "perf.data";
236 }
237
238 if (!strncmp(argv[0], "rec", 3))
239 return __cmd_record(argc, argv);
240 else if (!strncmp(argv[0], "rep", 3))
241 return report_events(argc, argv, &mem);
242 else
243 usage_with_options(mem_usage, mem_options);
244
245 return 0;
246}