Re: [PATCH -tip v3 3/9] selftests: ftrace: Add --quiet option not to show error logs on screen

From: Steven Rostedt
Date: Tue Nov 22 2016 - 14:45:09 EST


On Wed, 16 Nov 2016 17:13:17 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> Since the verbose error logs scrolls out previous test results
> --quiet option suppress to show such message.

I wonder if -q should be default, and -v be what we have, and -vv be
verbose?

-- Steve

>
> e.g.
> # ./ftracetest -q
> === Ftrace unit tests ===
> [1] Basic trace file check [PASS]
> [2] Basic test for tracers [PASS]
> [3] Basic trace clock test [PASS]
> [4] Basic event tracing check [PASS]
> [5] event tracing - enable/disable with event level files [PASS]
> [6] event tracing - restricts events based on pid [PASS]
> [7] event tracing - enable/disable with subsystem level files [PASS]
> [8] event tracing - enable/disable with top level files [PASS]
> [9] ftrace - function graph filters with stack tracer [UNSUPPORTED]
> [10] ftrace - function graph filters [UNSUPPORTED]
> [11] ftrace - function profiler with function tracing [UNSUPPORTED]
> [12] Test creation and deletion of trace instances while setting an event
> [PASS]
> [13] Test creation and deletion of trace instances [PASS]
> [14] Kprobe dynamic event - adding and removing [UNSUPPORTED]
> [15] Kprobe dynamic event - busy event check [UNSUPPORTED]
> [16] Kprobe dynamic event with arguments [UNSUPPORTED]
> [17] Kprobe dynamic event with function tracer [UNSUPPORTED]
> [18] Kretprobe dynamic event with arguments [UNSUPPORTED]
> [19] event trigger - test event enable/disable trigger [PASS]
> [20] event trigger - test trigger filter [PASS]
> [21] event trigger - test histogram modifiers [UNSUPPORTED]
> [22] event trigger - test histogram trigger [UNSUPPORTED]
> [23] event trigger - test multiple histogram triggers [UNSUPPORTED]
> [24] event trigger - test snapshot-trigger [FAIL]
> [25] event trigger - test stacktrace-trigger [PASS]
> [26] event trigger - test traceon/off trigger [PASS]
>