trace2: trim whitespace in region messages in perf target format
Avoid unecessary trailing whitespace in "region_enter" and "region_leave"
messages in perf target format.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/trace2/tr2_tgt_perf.c b/trace2/tr2_tgt_perf.c
index 4a9d992..fb845cb 100644
--- a/trace2/tr2_tgt_perf.c
+++ b/trace2/tr2_tgt_perf.c
@@ -452,8 +452,11 @@ static void fn_region_enter_printf_va_fl(const char *file, int line,
struct strbuf buf_payload = STRBUF_INIT;
if (label)
- strbuf_addf(&buf_payload, "label:%s ", label);
- maybe_append_string_va(&buf_payload, fmt, ap);
+ strbuf_addf(&buf_payload, "label:%s", label);
+ if (fmt && *fmt) {
+ strbuf_addch(&buf_payload, ' ');
+ maybe_append_string_va(&buf_payload, fmt, ap);
+ }
perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
NULL, category, &buf_payload);
@@ -469,8 +472,11 @@ static void fn_region_leave_printf_va_fl(
struct strbuf buf_payload = STRBUF_INIT;
if (label)
- strbuf_addf(&buf_payload, "label:%s ", label);
- maybe_append_string_va(&buf_payload, fmt, ap);
+ strbuf_addf(&buf_payload, "label:%s", label);
+ if (fmt && *fmt) {
+ strbuf_addch(&buf_payload, ' ' );
+ maybe_append_string_va(&buf_payload, fmt, ap);
+ }
perf_io_write_fl(file, line, event_name, repo, &us_elapsed_absolute,
&us_elapsed_region, category, &buf_payload);
