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      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