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| author | Wang Nan <wangnan0@huawei.com> | 2016-06-24 14:22:06 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-06-28 16:54:55 +0300 |
| commit | 069ee5c488d161f539bb897b1bc64b83f9773221 (patch) | |
| tree | 2eefab2fd756f57939068fdceacc1d79e6d1895a /tools/perf/util/data-convert-bt.c | |
| parent | ed7b630b310775f3b6c0b360ede7a12cd8dff6fe (diff) | |
| download | linux-069ee5c488d161f539bb897b1bc64b83f9773221.tar.xz | |
perf data ctf: Add value_set_string() helper
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 <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1466767332-114472-2-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/data-convert-bt.c')
| -rw-r--r-- | tools/perf/util/data-convert-bt.c | 30 |
1 files changed, 30 insertions, 0 deletions
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) { |