From: Wang Nan <wangn...@huawei.com> There are many value_set_##x helper for integer, but only for integer. This patch adds value_set_string() helper to help following commits create string fields.
Signed-off-by: Wang Nan <wangn...@huawei.com> Acked-by: Jiri Olsa <jo...@kernel.org> Cc: Zefan Li <lize...@huawei.com> Cc: pi3or...@163.com Link: http://lkml.kernel.org/r/1466767332-114472-2-git-send-email-wangn...@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/data-convert-bt.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c index 7b1bc24c382e..4b68e7b9ee0c 100644 --- a/tools/perf/util/data-convert-bt.c +++ b/tools/perf/util/data-convert-bt.c @@ -141,6 +141,36 @@ FUNC_VALUE_SET(s64) FUNC_VALUE_SET(u64) __FUNC_VALUE_SET(u64_hex, u64) +static int string_set_value(struct bt_ctf_field *field, const char *string); +static __maybe_unused int +value_set_string(struct ctf_writer *cw, struct bt_ctf_event *event, + const char *name, const char *string) +{ + struct bt_ctf_field_type *type = cw->data.string; + struct bt_ctf_field *field; + int ret = 0; + + field = bt_ctf_field_create(type); + if (!field) { + pr_err("failed to create a field %s\n", name); + return -1; + } + + ret = string_set_value(field, string); + if (ret) { + pr_err("failed to set value %s\n", name); + goto err_put_field; + } + + ret = bt_ctf_event_set_payload(event, name, field); + if (ret) + pr_err("failed to set payload %s\n", name); + +err_put_field: + bt_ctf_field_put(field); + return ret; +} + static struct bt_ctf_field_type* get_tracepoint_field_type(struct ctf_writer *cw, struct format_field *field) { -- 2.7.4
