cregit-Linux how code gets into the kernel

Release 4.10 tools/perf/builtin-data.c

Directory: tools/perf
#include <linux/compiler.h>
#include "builtin.h"
#include "perf.h"
#include "debug.h"
#include <subcmd/parse-options.h>
#include "data-convert.h"
#include "data-convert-bt.h"

typedef int (*data_cmd_fn_t)(int argc, const char **argv, const char *prefix);

struct data_cmd {
const char	*name;
const char	*summary;
data_cmd_fn_t	fn;

static struct data_cmd data_cmds[];

#define for_each_cmd(cmd) \
	for (cmd = data_cmds; cmd && cmd->name; cmd++)

static const struct option data_options[] = {

static const char * const data_subcommands[] = { "convert", NULL };

static const char *data_usage[] = {
	"perf data [<common options>] <command> [<options>]",

static void print_usage(void) { struct data_cmd *cmd; printf("Usage:\n"); printf("\t%s\n\n", data_usage[0]); printf("\tAvailable commands:\n"); for_each_cmd(cmd) { printf("\t %s\t- %s\n", cmd->name, cmd->summary); } printf("\n"); }


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static const char * const data_convert_usage[] = { "perf data convert [<options>]", NULL };
static int cmd_data_convert(int argc, const char **argv, const char *prefix __maybe_unused) { const char *to_ctf = NULL; struct perf_data_convert_opts opts = { .force = false, .all = false, }; const struct option options[] = { OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_STRING('i', "input", &input_name, "file", "input file name"), #ifdef HAVE_LIBBABELTRACE_SUPPORT OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), #endif OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), OPT_END() }; #ifndef HAVE_LIBBABELTRACE_SUPPORT pr_err("No conversion support compiled in.\n"); return -1; #endif argc = parse_options(argc, argv, options, data_convert_usage, 0); if (argc) { usage_with_options(data_convert_usage, options); return -1; } if (to_ctf) { #ifdef HAVE_LIBBABELTRACE_SUPPORT return bt_convert__perf2ctf(input_name, to_ctf, &opts); #else pr_err("The libbabeltrace support is not compiled in.\n"); return -1; #endif } return 0; }


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static struct data_cmd data_cmds[] = { { "convert", "converts data file between formats", cmd_data_convert }, { .name = NULL, }, };
int cmd_data(int argc, const char **argv, const char *prefix) { struct data_cmd *cmd; const char *cmdstr; /* No command specified. */ if (argc < 2) goto usage; argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, PARSE_OPT_STOP_AT_NON_OPTION); if (argc < 1) goto usage; cmdstr = argv[0]; for_each_cmd(cmd) { if (strcmp(cmd->name, cmdstr)) continue; return cmd->fn(argc, argv, prefix); } pr_err("Unknown command: %s\n", cmdstr); usage: print_usage(); return -1; }


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Directory: tools/perf
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