perf trace: Fix return value of trace__fprintf_tp_fields

This function formerly returned twice the number of bytes printed.

Signed-off-by: Benjamin Peterson <benjamin@engflow.com>
Reviewed-by: Howard Chu <howardchu95@gmail.com>
Link: https://lore.kernel.org/r/20250123-void-fprintf_tp_fields-v2-1-6038f8224987@engflow.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d7c7d29291fbfe872d3ebaa888f3591addf39c31..ac97632f13dc8f7c87b543c95d0a0bc2c5664751 100644 (file)
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -3080,7 +3080,7 @@ static size_t trace__fprintf_tp_fields(struct trace *trace, struct evsel *evsel,
                printed += syscall_arg_fmt__scnprintf_val(arg, bf + printed, size - printed, &syscall_arg, val);
        }
 
-       return printed + fprintf(trace->output, "%.*s", (int)printed, bf);
+       return fprintf(trace->output, "%.*s", (int)printed, bf);
 }
 
 static int trace__event_handler(struct trace *trace, struct evsel *evsel,