diff options
| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2024-06-03 15:07:30 -0400 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2024-06-04 10:38:28 -0400 |
| commit | 35b944a997e25962122c3dea68b020e7fbb06cbd (patch) | |
| tree | d34e10d0ee5a6fdef94a187a211e0819a4c27f13 /tools/testing/selftests/ftrace/test.d | |
| parent | fe835e3ca40e172aa8ad12f4ed2898c181fafab0 (diff) | |
selftests/ftrace: Add function_graph tracer to func-filter-pid test
The function tracer is tested to see if pid filtering works. Add a test to
test function_graph tracer as well, but only if the function_graph tracer
is enabled for the top level or instance.
Link: https://lore.kernel.org/linux-trace-kernel/20240603190825.083048115@goodmis.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Guo Ren <guoren@kernel.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc index 2f7211254529..c6fc9d31a496 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc @@ -14,6 +14,11 @@ if [ ! -f options/function-fork ]; then echo "no option for function-fork found. Option will not be tested." fi +if [ ! -f options/funcgraph-proc ]; then + do_funcgraph_proc=0 + echo "no option for function-fork found. Option will not be tested." +fi + read PID _ < /proc/self/stat if [ $do_function_fork -eq 1 ]; then @@ -21,12 +26,18 @@ if [ $do_function_fork -eq 1 ]; then orig_value=`grep function-fork trace_options` fi +if [ $do_funcgraph_proc -eq 1 ]; then + orig_value2=`cat options/funcgraph-proc` +fi + do_reset() { - if [ $do_function_fork -eq 0 ]; then - return + if [ $do_function_fork -eq 1 ]; then + echo $orig_value > trace_options fi - echo $orig_value > trace_options + if [ $do_funcgraph_proc -eq 1 ]; then + echo $orig_value2 > options/funcgraph-proc + fi } fail() { # msg @@ -36,13 +47,15 @@ fail() { # msg } do_test() { + TRACER=$1 + disable_tracing echo do_execve* > set_ftrace_filter echo $FUNCTION_FORK >> set_ftrace_filter echo $PID > set_ftrace_pid - echo function > current_tracer + echo $TRACER > current_tracer if [ $do_function_fork -eq 1 ]; then # don't allow children to be traced @@ -82,7 +95,11 @@ do_test() { fi } -do_test +do_test function +if grep -s function_graph available_tracers; then + do_test function_graph +fi + do_reset exit 0 |