perf: ftrace: Add set_tracing_options() to set all trace options

	return 0;

}

static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)

static int set_tracing_options(struct perf_ftrace *ftrace)

{

	char *trace_file;

	int trace_fd;

	char buf[4096];

	struct pollfd pollfd = {

		.events = POLLIN,

	};

	if (!(perf_cap__capable(CAP_PERFMON) ||

	      perf_cap__capable(CAP_SYS_ADMIN))) {

		pr_err("ftrace only works for %s!\n",

#ifdef HAVE_LIBCAP_SUPPORT

		"users with the CAP_PERFMON or CAP_SYS_ADMIN capability"

#else

		"root"

#endif

		);

		return -1;

	}

	signal(SIGINT, sig_handler);

	signal(SIGUSR1, sig_handler);

	signal(SIGCHLD, sig_handler);

	signal(SIGPIPE, sig_handler);

	if (ftrace->list_avail_functions)

		return read_tracing_file_to_stdout("available_filter_functions");

	if (reset_tracing_files(ftrace) < 0) {

		pr_err("failed to reset ftrace\n");

		goto out;

	}

	/* reset ftrace buffer */

	if (write_tracing_file("trace", "0") < 0)

		goto out;

	if (argc && perf_evlist__prepare_workload(ftrace->evlist,

				&ftrace->target, argv, false,

				ftrace__workload_exec_failed_signal) < 0) {

		goto out;

	}

	if (set_tracing_pid(ftrace) < 0) {

		pr_err("failed to set ftrace pid\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_cpu(ftrace) < 0) {

		pr_err("failed to set tracing cpumask\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_func_stack_trace(ftrace) < 0) {

		pr_err("failed to set tracing option func_stack_trace\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_func_irqinfo(ftrace) < 0) {

		pr_err("failed to set tracing option irq-info\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_filters(ftrace) < 0) {

		pr_err("failed to set tracing filters\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_depth(ftrace) < 0) {

		pr_err("failed to set graph depth\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_percpu_buffer_size(ftrace) < 0) {

		pr_err("failed to set tracing per-cpu buffer size\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_trace_inherit(ftrace) < 0) {

		pr_err("failed to set tracing option function-fork\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_sleep_time(ftrace) < 0) {

		pr_err("failed to set tracing option sleep-time\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_funcgraph_irqs(ftrace) < 0) {

		pr_err("failed to set tracing option funcgraph-irqs\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_funcgraph_verbose(ftrace) < 0) {

		pr_err("failed to set tracing option funcgraph-proc/funcgraph-abstime\n");

		goto out_reset;

		return -1;

	}

	if (set_tracing_thresh(ftrace) < 0) {

		pr_err("failed to set tracing thresh\n");

		goto out_reset;

		return -1;

	}

	return 0;

}

static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)

{

	char *trace_file;

	int trace_fd;

	char buf[4096];

	struct pollfd pollfd = {

		.events = POLLIN,

	};

	if (!(perf_cap__capable(CAP_PERFMON) ||

	      perf_cap__capable(CAP_SYS_ADMIN))) {

		pr_err("ftrace only works for %s!\n",

#ifdef HAVE_LIBCAP_SUPPORT

		"users with the CAP_PERFMON or CAP_SYS_ADMIN capability"

#else

		"root"

#endif

		);

		return -1;

	}

	signal(SIGINT, sig_handler);

	signal(SIGUSR1, sig_handler);

	signal(SIGCHLD, sig_handler);

	signal(SIGPIPE, sig_handler);

	if (ftrace->list_avail_functions)

		return read_tracing_file_to_stdout("available_filter_functions");

	if (reset_tracing_files(ftrace) < 0) {

		pr_err("failed to reset ftrace\n");

		goto out;

	}

	/* reset ftrace buffer */

	if (write_tracing_file("trace", "0") < 0)

		goto out;

	if (argc && perf_evlist__prepare_workload(ftrace->evlist,

				&ftrace->target, argv, false,

				ftrace__workload_exec_failed_signal) < 0) {

		goto out;

	}

	if (set_tracing_options(ftrace) < 0)

		goto out_reset;

	if (write_tracing_file("current_tracer", ftrace->tracer) < 0) {

		pr_err("failed to set current_tracer to %s\n", ftrace->tracer);

		goto out_reset;