From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat at kernel.org (Masami Hiramatsu) Date: Fri, 27 Jul 2018 21:17:58 +0900 Subject: [PATCH 17/25] selftests/ftrace: Add kprobe profile testcase In-Reply-To: <153269339575.3084.16279591141931053689.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> Message-ID: <153269387834.3084.10793461311830659918.stgit@devbox> Add a testcase for testing kprobe_profile interface which provides per-kprobe event hit/misshit counts. Signed-off-by: Masami Hiramatsu --- .../selftests/ftrace/test.d/kprobe/profile.tc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/profile.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc new file mode 100644 index 000000000000..0384b525cdee --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc @@ -0,0 +1,15 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe dynamic event - adding and removing + +[ -f kprobe_events ] || exit_unsupported # this is configurable + +! grep -q 'myevent' kprobe_profile +echo p:myevent _do_fork > kprobe_events +grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile +echo 1 > events/kprobes/myevent/enable +( echo "forked" ) +grep -q 'myevent[[:space:]]*[[:digit:]]*[[:space:]]*0$' kprobe_profile +echo 0 > events/kprobes/myevent/enable +echo > kprobe_events +! grep -q 'myevent' kprobe_profile -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat@kernel.org (Masami Hiramatsu) Date: Fri, 27 Jul 2018 21:17:58 +0900 Subject: [PATCH 17/25] selftests/ftrace: Add kprobe profile testcase In-Reply-To: <153269339575.3084.16279591141931053689.stgit@devbox> References: <153269339575.3084.16279591141931053689.stgit@devbox> Message-ID: <153269387834.3084.10793461311830659918.stgit@devbox> Content-Type: text/plain; charset="UTF-8" Message-ID: <20180727121758.ibM2fhwNrOkG7nC7lBfIs_2-wiIeZNg_f0vSynGeFpE@z> Add a testcase for testing kprobe_profile interface which provides per-kprobe event hit/misshit counts. Signed-off-by: Masami Hiramatsu --- .../selftests/ftrace/test.d/kprobe/profile.tc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/kprobe/profile.tc diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc new file mode 100644 index 000000000000..0384b525cdee --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc @@ -0,0 +1,15 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe dynamic event - adding and removing + +[ -f kprobe_events ] || exit_unsupported # this is configurable + +! grep -q 'myevent' kprobe_profile +echo p:myevent _do_fork > kprobe_events +grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile +echo 1 > events/kprobes/myevent/enable +( echo "forked" ) +grep -q 'myevent[[:space:]]*[[:digit:]]*[[:space:]]*0$' kprobe_profile +echo 0 > events/kprobes/myevent/enable +echo > kprobe_events +! grep -q 'myevent' kprobe_profile -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html