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| author |   Ingo Molnar <mingo@kernel.org> | 2018-11-03 23:42:16 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-11-03 23:42:16 +0100 |
| commit | 23a12ddee1ce28065b71f14ccc695b5a0c8a64ff (patch) | |
| tree | cedaa1cde5b2557116e523c31552187804704093 /tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc | |
| parent | compat: Cleanup in_compat_syscall() callers (diff) | |
| parent | objtool: Support GCC 9 cold subfunction naming scheme (diff) | |
| download | linux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.tar.xz linux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.zip | |
Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc new file mode 100644 index 000000000000..0d501058aa75 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc @@ -0,0 +1,22 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: ftrace - function profiling + +[ ! -f function_profile_enabled ] && exit_unsupported + +: "Enable function profile" +echo 1 > function_profile_enabled + +: "Profile must be updated" +cp trace_stat/function0 $TMPDIR/ +( echo "forked"; sleep 1 ) +: "diff returns 0 if there is no difference" +! diff trace_stat/function0 $TMPDIR/function0 + +echo 0 > function_profile_enabled + +: "Profile must NOT be updated" +cp trace_stat/function0 $TMPDIR/ +( echo "forked"; sleep 1 ) +: "diff returns 0 if there is no difference" +diff trace_stat/function0 $TMPDIR/function0 |