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 22static const char *file_name; 23static char name_buffer[256]; 24 25bool perf_host = 1; 26bool perf_guest; 27 28static const char * const kvm_usage[] = { 29 "perf kvm [<options>] {top|record|report|diff|buildid-list}", 30 NULL 31}; 32 33static 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 54static 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 72static 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 90static 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 108int 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} 145