The filename for setting the cpumask should be `tracing_cpumask`, instead of `tracing_cpu_mask`. Signed-off-by: Yuanhsi Chung <freshliver.cys@xxxxxxxxx> --- Documentation/trace/ftrace.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index b37dc19e4d40..b93f11c430a9 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -2524,7 +2524,7 @@ want, depending on your needs. - The cpu number on which the function executed is default enabled. It is sometimes better to only trace one cpu (see - tracing_cpu_mask file) or you might sometimes see unordered + tracing_cpumask file) or you might sometimes see unordered function calls while cpu tracing switch. - hide: echo nofuncgraph-cpu > trace_options -- 2.25.1