1 #include "builtin.h"
2 #include "perf.h"
3
4 #include "util/util.h"
5 #include "util/cache.h"
6 #include "util/symbol.h"
7 #include "util/thread.h"
8 #include "util/header.h"
9 #include "util/session.h"
10
11 #include "util/parse-options.h"
12 #include "util/trace-event.h"
13
14 #include "util/debug.h"
15
16 /* ANDROID_CHANGE_BEGIN */
17 #ifndef __APPLE__
18 #include <sys/prctl.h>
19 #endif
20 /* ANDROID_CHANGE_END */
21
22 #include <semaphore.h>
23 #include <pthread.h>
24 #include <math.h>
25
26 static const char *file_name;
27 static char name_buffer[256];
28
29 bool perf_host = 1;
30 bool perf_guest;
31
32 static const char * const kvm_usage[] = {
33 "perf kvm [<options>] {top|record|report|diff|buildid-list}",
34 NULL
35 };
36
37 static const struct option kvm_options[] = {
38 OPT_STRING('i', "input", &file_name, "file",
39 "Input file name"),
40 OPT_STRING('o', "output", &file_name, "file",
41 "Output file name"),
42 OPT_BOOLEAN(0, "guest", &perf_guest,
43 "Collect guest os data"),
44 OPT_BOOLEAN(0, "host", &perf_host,
45 "Collect guest os data"),
46 OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
47 "guest mount directory under which every guest os"
48 " instance has a subdir"),
49 OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
50 "file", "file saving guest os vmlinux"),
51 OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
52 "file", "file saving guest os /proc/kallsyms"),
53 OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
54 "file", "file saving guest os /proc/modules"),
55 OPT_END()
56 };
57
__cmd_record(int argc,const char ** argv)58 static int __cmd_record(int argc, const char **argv)
59 {
60 int rec_argc, i = 0, j;
61 const char **rec_argv;
62
63 rec_argc = argc + 2;
64 rec_argv = calloc(rec_argc + 1, sizeof(char *));
65 rec_argv[i++] = strdup("record");
66 rec_argv[i++] = strdup("-o");
67 rec_argv[i++] = strdup(file_name);
68 for (j = 1; j < argc; j++, i++)
69 rec_argv[i] = argv[j];
70
71 BUG_ON(i != rec_argc);
72
73 return cmd_record(i, rec_argv, NULL);
74 }
75
__cmd_report(int argc,const char ** argv)76 static int __cmd_report(int argc, const char **argv)
77 {
78 int rec_argc, i = 0, j;
79 const char **rec_argv;
80
81 rec_argc = argc + 2;
82 rec_argv = calloc(rec_argc + 1, sizeof(char *));
83 rec_argv[i++] = strdup("report");
84 rec_argv[i++] = strdup("-i");
85 rec_argv[i++] = strdup(file_name);
86 for (j = 1; j < argc; j++, i++)
87 rec_argv[i] = argv[j];
88
89 BUG_ON(i != rec_argc);
90
91 return cmd_report(i, rec_argv, NULL);
92 }
93
__cmd_buildid_list(int argc,const char ** argv)94 static int __cmd_buildid_list(int argc, const char **argv)
95 {
96 int rec_argc, i = 0, j;
97 const char **rec_argv;
98
99 rec_argc = argc + 2;
100 rec_argv = calloc(rec_argc + 1, sizeof(char *));
101 rec_argv[i++] = strdup("buildid-list");
102 rec_argv[i++] = strdup("-i");
103 rec_argv[i++] = strdup(file_name);
104 for (j = 1; j < argc; j++, i++)
105 rec_argv[i] = argv[j];
106
107 BUG_ON(i != rec_argc);
108
109 return cmd_buildid_list(i, rec_argv, NULL);
110 }
111
cmd_kvm(int argc,const char ** argv,const char * prefix __used)112 int cmd_kvm(int argc, const char **argv, const char *prefix __used)
113 {
114 perf_host = perf_guest = 0;
115
116 argc = parse_options(argc, argv, kvm_options, kvm_usage,
117 PARSE_OPT_STOP_AT_NON_OPTION);
118 if (!argc)
119 usage_with_options(kvm_usage, kvm_options);
120
121 if (!perf_host)
122 perf_guest = 1;
123
124 if (!file_name) {
125 if (perf_host && !perf_guest)
126 sprintf(name_buffer, "perf.data.host");
127 else if (!perf_host && perf_guest)
128 sprintf(name_buffer, "perf.data.guest");
129 else
130 sprintf(name_buffer, "perf.data.kvm");
131 file_name = name_buffer;
132 }
133
134 if (!strncmp(argv[0], "rec", 3))
135 return __cmd_record(argc, argv);
136 else if (!strncmp(argv[0], "rep", 3))
137 return __cmd_report(argc, argv);
138 else if (!strncmp(argv[0], "diff", 4))
139 return cmd_diff(argc, argv, NULL);
140 else if (!strncmp(argv[0], "top", 3))
141 return cmd_top(argc, argv, NULL);
142 else if (!strncmp(argv[0], "buildid-list", 12))
143 return __cmd_buildid_list(argc, argv);
144 else
145 usage_with_options(kvm_usage, kvm_options);
146
147 return 0;
148 }
149