[PATCH v5 3/4] ftracetest: Add kprobe basic testcases

[Masami Hiramatsu]

Add basic testcases for kprobe dynamic events.
This also shows that the ftracetest accepts sub-directory
for new testcases.

Changes in v2:
  - Change shell to sh instead of bash.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
---
 .../ftrace/test.d/kprobe/add_and_remove.tc         |   11 +++++++++++
 .../selftests/ftrace/test.d/kprobe/busy_check.tc   |   14 ++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
 create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
new file mode 100644
index 0000000..5ddfb47
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
@@ -0,0 +1,11 @@
+#!/bin/sh
+# description: Kprobe dynamic event - adding and removing
+
+[ -f kprobe_events ] || exit 1
+
+echo 0 > events/enable || exit 1
+echo > kprobe_events || exit 1
+echo p:myevent do_fork > kprobe_events || exit 1
+grep myevent kprobe_events || exit 1
+[ -d events/kprobes/myevent ] || exit 1
+echo > kprobe_events
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
new file mode 100644
index 0000000..588fde97
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
@@ -0,0 +1,14 @@
+#!/bin/sh
+# description: Kprobe dynamic event - busy event check
+
+[ -f kprobe_events ] || exit 1
+
+echo 0 > events/enable || exit 1
+echo > kprobe_events || exit 1
+echo p:myevent do_fork > kprobe_events || exit 1
+[ -d events/kprobes/myevent ] || exit 1
+echo 1 > events/kprobes/myevent/enable || exit 1
+echo > kprobe_events && exit 1 # this must fail
+echo 0 > events/kprobes/myevent/enable || exit 1
+echo > kprobe_events # this must succeed
+

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