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