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 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 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 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 } 111 112 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