From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>
Subject: [RFC][PATCH 0/2] ftrace: Add modify_ftrace_direct()
Date: Thu, 14 Nov 2019 14:46:36 -0500 [thread overview]
Message-ID: <20191114194636.811109457@goodmis.org> (raw)
As discussed with Alexei, here's a simple implementation of
modify_ftrace_direct() without the need for any architecture changes.
Steven Rostedt (VMware) (2):
ftrace: Add modify_ftrace_direct()
ftrace/samples: Add a sample module that implements modify_ftrace_direct()
----
include/linux/ftrace.h | 6 +++
kernel/trace/ftrace.c | 78 +++++++++++++++++++++++++++++++
samples/ftrace/Makefile | 1 +
samples/ftrace/ftrace-direct-modify.c | 88 +++++++++++++++++++++++++++++++++++
4 files changed, 173 insertions(+)
create mode 100644 samples/ftrace/ftrace-direct-modify.c
next reply other threads:[~2019-11-14 19:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 19:46 Steven Rostedt [this message]
2019-11-14 19:46 ` [RFC][PATCH 1/2] ftrace: Add modify_ftrace_direct() Steven Rostedt
2019-11-15 21:51 ` Alexei Starovoitov
2019-11-17 22:18 ` Steven Rostedt
2019-11-19 6:04 ` Alexei Starovoitov
2019-11-19 14:13 ` Steven Rostedt
2019-11-19 15:37 ` Alexei Starovoitov
2019-11-14 19:46 ` [RFC][PATCH 2/2] ftrace/samples: Add a sample module that implements modify_ftrace_direct() Steven Rostedt
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