From 0aefb3df8b9938378abb24f31fd2ef10594f21bc Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Thu, 23 Jan 2025 15:59:35 -0800 Subject: [PATCH] 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 Reviewed-by: Howard Chu Link: https://lore.kernel.org/r/20250123-void-fprintf_tp_fields-v2-1-6038f8224987@engflow.com Signed-off-by: Namhyung Kim --- tools/perf/builtin-trace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d7c7d29291fb..ac97632f13dc 100644 --- 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, -- 2.50.1