perf tools: Add new perf data command
Adding new 'perf data' command to provide operations over
data files.
The 'perf data convert' sub command is coming in following
patch, but there's possibility for other useful commands
like 'perf data ls' (to display perf data file in directory
in ls style).
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt
new file mode 100644
index 0000000..b8c8394
--- /dev/null
+++ b/tools/perf/Documentation/perf-data.txt
@@ -0,0 +1,15 @@
+perf-data(1)
+==============
+
+NAME
+----
+perf-data - Data file related processing
+
+SYNOPSIS
+--------
+[verse]
+'perf data' [<common options>] <command> [<options>]",
+
+DESCRIPTION
+-----------
+Data file related processing.
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 47d9334..f22085c 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -485,6 +485,7 @@
BUILTIN_OBJS += $(OUTPUT)builtin-inject.o
BUILTIN_OBJS += $(OUTPUT)tests/builtin-test.o
BUILTIN_OBJS += $(OUTPUT)builtin-mem.o
+BUILTIN_OBJS += $(OUTPUT)builtin-data.o
PERFLIBS = $(LIB_FILE) $(LIBAPIKFS) $(LIBTRACEEVENT)
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c
new file mode 100644
index 0000000..1eee97d
--- /dev/null
+++ b/tools/perf/builtin-data.c
@@ -0,0 +1,75 @@
+#include <linux/compiler.h>
+#include "builtin.h"
+#include "perf.h"
+#include "debug.h"
+#include "parse-options.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[] = {
+ OPT_END()
+};
+
+static const char * const data_usage[] = {
+ "perf data [<common options>] <command> [<options>]",
+ NULL
+};
+
+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");
+}
+
+static struct data_cmd data_cmds[] = {
+ { 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(argc, argv, data_options, 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;
+}
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index b210d62..3688ad2 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -37,6 +37,7 @@
extern int cmd_trace(int argc, const char **argv, const char *prefix);
extern int cmd_inject(int argc, const char **argv, const char *prefix);
extern int cmd_mem(int argc, const char **argv, const char *prefix);
+extern int cmd_data(int argc, const char **argv, const char *prefix);
extern int find_scripts(char **scripts_array, char **scripts_path_array);
#endif
diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt
index 0906fc4..00fcaf8 100644
--- a/tools/perf/command-list.txt
+++ b/tools/perf/command-list.txt
@@ -7,6 +7,7 @@
perf-bench mainporcelain common
perf-buildid-cache mainporcelain common
perf-buildid-list mainporcelain common
+perf-data mainporcelain common
perf-diff mainporcelain common
perf-evlist mainporcelain common
perf-inject mainporcelain common
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 3700a7f..f3c66b8 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -62,6 +62,7 @@
#endif
{ "inject", cmd_inject, 0 },
{ "mem", cmd_mem, 0 },
+ { "data", cmd_data, 0 },
};
struct pager_config {
