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Date: Sat, 7 Mar 2009 05:52:58 +0100 From: Frederic Weisbecker <fweisbec@...il.com> To: Ingo Molnar <mingo@...e.hu> Cc: LKML <linux-kernel@...r.kernel.org>, Lai Jiangshan <laijs@...fujitsu.com>, Steven Rostedt <rostedt@...dmis.org>, Peter Zijlstra <peterz@...radead.org>, Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>, Jiaying Zhang <jiayingz@...gle.com>, Martin Bligh <mbligh@...gle.com>, Frederic Weisbecker <fweisbec@...il.com> Subject: [RFC][PATCH 0/2] Syscalls tracing Here is a first attempt, quick one-shot, to provide a syscall tracing infrastructure on ftrace. The RFC prefix is here to reflect its ugliness on various parts. The compromise between tracing reliabilty and speed is hard to balance. For example I guess the basic and horrid string mask should be dropped in favour of something else, which takes care of the volatile strings from the userspace. But I hope a lot of ideas to make it better will come along this discussion. Frederic Weisbecker (2): tracing/ftrace: syscall tracing infrastructure tracing/x86: basic implementation of syscall tracing for x86-64 arch/x86/Kconfig | 1 + arch/x86/include/asm/ftrace.h | 7 + arch/x86/include/asm/thread_info.h | 9 +- arch/x86/kernel/ftrace.c | 15 ++ arch/x86/kernel/ptrace.c | 7 + include/linux/ftrace.h | 44 ++++++ kernel/trace/Kconfig | 10 ++ kernel/trace/Makefile | 1 + kernel/trace/trace.c | 6 + kernel/trace/trace.h | 32 ++++ kernel/trace/trace_syscalls.c | 284 ++++++++++++++++++++++++++++++++++++ 11 files changed, 413 insertions(+), 3 deletions(-) create mode 100644 kernel/trace/trace_syscalls.c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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