Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 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 char *file_name; |
| 23 | static char name_buffer[256]; |
| 24 | |
| 25 | int perf_host = 1; |
| 26 | int perf_guest; |
| 27 | |
| 28 | static const char * const kvm_usage[] = { |
| 29 | "perf kvm [<options>] {top|record|report|diff|buildid-list}", |
| 30 | NULL |
| 31 | }; |
| 32 | |
| 33 | static const struct option kvm_options[] = { |
| 34 | OPT_STRING('i', "input", &file_name, "file", |
| 35 | "Input file name"), |
| 36 | OPT_STRING('o', "output", &file_name, "file", |
| 37 | "Output file name"), |
| 38 | OPT_BOOLEAN(0, "guest", &perf_guest, |
| 39 | "Collect guest os data"), |
| 40 | OPT_BOOLEAN(0, "host", &perf_host, |
| 41 | "Collect guest os data"), |
| 42 | OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", |
| 43 | "guest mount directory under which every guest os" |
| 44 | " instance has a subdir"), |
| 45 | OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, |
| 46 | "file", "file saving guest os vmlinux"), |
| 47 | OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, |
| 48 | "file", "file saving guest os /proc/kallsyms"), |
| 49 | OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, |
| 50 | "file", "file saving guest os /proc/modules"), |
| 51 | OPT_END() |
| 52 | }; |
| 53 | |
| 54 | static int __cmd_record(int argc, const char **argv) |
| 55 | { |
| 56 | int rec_argc, i = 0, j; |
| 57 | const char **rec_argv; |
| 58 | |
| 59 | rec_argc = argc + 2; |
| 60 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 61 | rec_argv[i++] = strdup("record"); |
| 62 | rec_argv[i++] = strdup("-o"); |
| 63 | rec_argv[i++] = strdup(file_name); |
| 64 | for (j = 1; j < argc; j++, i++) |
| 65 | rec_argv[i] = argv[j]; |
| 66 | |
| 67 | BUG_ON(i != rec_argc); |
| 68 | |
| 69 | return cmd_record(i, rec_argv, NULL); |
| 70 | } |
| 71 | |
| 72 | static int __cmd_report(int argc, const char **argv) |
| 73 | { |
| 74 | int rec_argc, i = 0, j; |
| 75 | const char **rec_argv; |
| 76 | |
| 77 | rec_argc = argc + 2; |
| 78 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 79 | rec_argv[i++] = strdup("report"); |
| 80 | rec_argv[i++] = strdup("-i"); |
| 81 | rec_argv[i++] = strdup(file_name); |
| 82 | for (j = 1; j < argc; j++, i++) |
| 83 | rec_argv[i] = argv[j]; |
| 84 | |
| 85 | BUG_ON(i != rec_argc); |
| 86 | |
| 87 | return cmd_report(i, rec_argv, NULL); |
| 88 | } |
| 89 | |
| 90 | static int __cmd_buildid_list(int argc, const char **argv) |
| 91 | { |
| 92 | int rec_argc, i = 0, j; |
| 93 | const char **rec_argv; |
| 94 | |
| 95 | rec_argc = argc + 2; |
| 96 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 97 | rec_argv[i++] = strdup("buildid-list"); |
| 98 | rec_argv[i++] = strdup("-i"); |
| 99 | rec_argv[i++] = strdup(file_name); |
| 100 | for (j = 1; j < argc; j++, i++) |
| 101 | rec_argv[i] = argv[j]; |
| 102 | |
| 103 | BUG_ON(i != rec_argc); |
| 104 | |
| 105 | return cmd_buildid_list(i, rec_argv, NULL); |
| 106 | } |
| 107 | |
| 108 | int cmd_kvm(int argc, const char **argv, const char *prefix __used) |
| 109 | { |
| 110 | perf_host = perf_guest = 0; |
| 111 | |
| 112 | argc = parse_options(argc, argv, kvm_options, kvm_usage, |
| 113 | PARSE_OPT_STOP_AT_NON_OPTION); |
| 114 | if (!argc) |
| 115 | usage_with_options(kvm_usage, kvm_options); |
| 116 | |
| 117 | if (!perf_host) |
| 118 | perf_guest = 1; |
| 119 | |
| 120 | if (!file_name) { |
| 121 | if (perf_host && !perf_guest) |
| 122 | sprintf(name_buffer, "perf.data.host"); |
| 123 | else if (!perf_host && perf_guest) |
| 124 | sprintf(name_buffer, "perf.data.guest"); |
| 125 | else |
| 126 | sprintf(name_buffer, "perf.data.kvm"); |
| 127 | file_name = name_buffer; |
| 128 | } |
| 129 | |
| 130 | if (!strncmp(argv[0], "rec", 3)) |
| 131 | return __cmd_record(argc, argv); |
| 132 | else if (!strncmp(argv[0], "rep", 3)) |
| 133 | return __cmd_report(argc, argv); |
| 134 | else if (!strncmp(argv[0], "diff", 4)) |
| 135 | return cmd_diff(argc, argv, NULL); |
| 136 | else if (!strncmp(argv[0], "top", 3)) |
| 137 | return cmd_top(argc, argv, NULL); |
| 138 | else if (!strncmp(argv[0], "buildid-list", 12)) |
| 139 | return __cmd_buildid_list(argc, argv); |
| 140 | else |
| 141 | usage_with_options(kvm_usage, kvm_options); |
| 142 | |
| 143 | return 0; |
| 144 | } |