diff options
Diffstat (limited to 'tools/perf/builtin-kvm.c')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 144 | 
1 files changed, 144 insertions, 0 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c new file mode 100644 index 00000000000..34d1e853829 --- /dev/null +++ b/tools/perf/builtin-kvm.c @@ -0,0 +1,144 @@ +#include "builtin.h" +#include "perf.h" + +#include "util/util.h" +#include "util/cache.h" +#include "util/symbol.h" +#include "util/thread.h" +#include "util/header.h" +#include "util/session.h" + +#include "util/parse-options.h" +#include "util/trace-event.h" + +#include "util/debug.h" + +#include <sys/prctl.h> + +#include <semaphore.h> +#include <pthread.h> +#include <math.h> + +static const char		*file_name; +static char			name_buffer[256]; + +bool				perf_host = 1; +bool				perf_guest; + +static const char * const kvm_usage[] = { +	"perf kvm [<options>] {top|record|report|diff|buildid-list}", +	NULL +}; + +static const struct option kvm_options[] = { +	OPT_STRING('i', "input", &file_name, "file", +		   "Input file name"), +	OPT_STRING('o', "output", &file_name, "file", +		   "Output file name"), +	OPT_BOOLEAN(0, "guest", &perf_guest, +		    "Collect guest os data"), +	OPT_BOOLEAN(0, "host", &perf_host, +		    "Collect guest os data"), +	OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory", +		   "guest mount directory under which every guest os" +		   " instance has a subdir"), +	OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name, +		   "file", "file saving guest os vmlinux"), +	OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms, +		   "file", "file saving guest os /proc/kallsyms"), +	OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, +		   "file", "file saving guest os /proc/modules"), +	OPT_END() +}; + +static int __cmd_record(int argc, const char **argv) +{ +	int rec_argc, i = 0, j; +	const char **rec_argv; + +	rec_argc = argc + 2; +	rec_argv = calloc(rec_argc + 1, sizeof(char *)); +	rec_argv[i++] = strdup("record"); +	rec_argv[i++] = strdup("-o"); +	rec_argv[i++] = strdup(file_name); +	for (j = 1; j < argc; j++, i++) +		rec_argv[i] = argv[j]; + +	BUG_ON(i != rec_argc); + +	return cmd_record(i, rec_argv, NULL); +} + +static int __cmd_report(int argc, const char **argv) +{ +	int rec_argc, i = 0, j; +	const char **rec_argv; + +	rec_argc = argc + 2; +	rec_argv = calloc(rec_argc + 1, sizeof(char *)); +	rec_argv[i++] = strdup("report"); +	rec_argv[i++] = strdup("-i"); +	rec_argv[i++] = strdup(file_name); +	for (j = 1; j < argc; j++, i++) +		rec_argv[i] = argv[j]; + +	BUG_ON(i != rec_argc); + +	return cmd_report(i, rec_argv, NULL); +} + +static int __cmd_buildid_list(int argc, const char **argv) +{ +	int rec_argc, i = 0, j; +	const char **rec_argv; + +	rec_argc = argc + 2; +	rec_argv = calloc(rec_argc + 1, sizeof(char *)); +	rec_argv[i++] = strdup("buildid-list"); +	rec_argv[i++] = strdup("-i"); +	rec_argv[i++] = strdup(file_name); +	for (j = 1; j < argc; j++, i++) +		rec_argv[i] = argv[j]; + +	BUG_ON(i != rec_argc); + +	return cmd_buildid_list(i, rec_argv, NULL); +} + +int cmd_kvm(int argc, const char **argv, const char *prefix __used) +{ +	perf_host = perf_guest = 0; + +	argc = parse_options(argc, argv, kvm_options, kvm_usage, +			PARSE_OPT_STOP_AT_NON_OPTION); +	if (!argc) +		usage_with_options(kvm_usage, kvm_options); + +	if (!perf_host) +		perf_guest = 1; + +	if (!file_name) { +		if (perf_host && !perf_guest) +			sprintf(name_buffer, "perf.data.host"); +		else if (!perf_host && perf_guest) +			sprintf(name_buffer, "perf.data.guest"); +		else +			sprintf(name_buffer, "perf.data.kvm"); +		file_name = name_buffer; +	} + +	if (!strncmp(argv[0], "rec", 3)) +		return __cmd_record(argc, argv); +	else if (!strncmp(argv[0], "rep", 3)) +		return __cmd_report(argc, argv); +	else if (!strncmp(argv[0], "diff", 4)) +		return cmd_diff(argc, argv, NULL); +	else if (!strncmp(argv[0], "top", 3)) +		return cmd_top(argc, argv, NULL); +	else if (!strncmp(argv[0], "buildid-list", 12)) +		return __cmd_buildid_list(argc, argv); +	else +		usage_with_options(kvm_usage, kvm_options); + +	return 0; +}  |