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Subject[PATCH 2/3] perf tools: Export usage string and option table of perf record
Date
Those are shared with other builtin commands like kvm, script.  So
make it accessable from them. This is a preparation of later change
that limiting possible options.

Cc: Alexander Yarygin <yarygin@linux.vnet.ibm.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/builtin-record.c | 7 +++++--
tools/perf/builtin-script.c | 1 -
tools/perf/builtin-timechart.c | 7 ++++---
tools/perf/perf.h | 3 +++
4 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 44c6f3d55ce7..4d1f224c90ab 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -678,11 +678,12 @@ static int perf_record_config(const char *var, const char *value, void *cb)
return perf_default_config(var, value, cb);
}

-static const char * const record_usage[] = {
+static const char * const __record_usage[] = {
"perf record [<options>] [<command>]",
"perf record [<options>] -- <command> [<options>]",
NULL
};
+const char * const *record_usage = __record_usage;

/*
* XXX Ideally would be local to cmd_record() and passed to a record__new
@@ -723,7 +724,7 @@ const char record_callchain_help[] = CALLCHAIN_HELP "fp";
* perf_evlist__prepare_workload, etc instead of fork+exec'in 'perf record',
* using pipes, etc.
*/
-const struct option record_options[] = {
+struct option __record_options[] = {
OPT_CALLBACK('e', "event", &record.evlist, "event",
"event selector. use 'perf list' to list available events",
parse_events_option),
@@ -800,6 +801,8 @@ const struct option record_options[] = {
OPT_END()
};

+struct option *record_options = __record_options;
+
int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
{
int err = -ENOMEM;
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index b9b9e58a6c39..c9cf613efa79 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -23,7 +23,6 @@ static char const *generate_script_lang;
static bool debug_mode;
static u64 last_timestamp;
static u64 nr_unordered;
-extern const struct option record_options[];
static bool no_callchain;
static bool latency_format;
static bool system_wide;
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 35b425b6293f..9a68fda17cb5 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1963,7 +1963,7 @@ int cmd_timechart(int argc, const char **argv,
NULL
};

- const struct option record_options[] = {
+ const struct option timechart_record_options[] = {
OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
"output processes data only"),
@@ -1972,7 +1972,7 @@ int cmd_timechart(int argc, const char **argv,
OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"),
OPT_END()
};
- const char * const record_usage[] = {
+ const char * const timechart_record_usage[] = {
"perf timechart record [<options>]",
NULL
};
@@ -1985,7 +1985,8 @@ int cmd_timechart(int argc, const char **argv,
}

if (argc && !strncmp(argv[0], "rec", 3)) {
- argc = parse_options(argc, argv, record_options, record_usage,
+ argc = parse_options(argc, argv, timechart_record_options,
+ timechart_record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);

if (tchart.power_only && tchart.tasks_only) {
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 220d44e44c1b..511c2831aa81 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -62,4 +62,7 @@ struct record_opts {
unsigned initial_delay;
};

+struct option;
+extern const char * const *record_usage;
+extern struct option *record_options;
#endif
--
2.1.2


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