- 13 10月, 2009 2 次提交
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由 Paul Mundt 提交于
This cribs the x86 implementation of ftrace_nmi_enter() and friends to make ftrace_modify_code() NMI safe, particularly on SMP configurations. For additional notes on the problems involved, see the comment below ftrace_call_replace(). Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Paul Mundt 提交于
Sync up with latest core changes in the syscalls tracing area: - tracing: Map syscall name to number (syscall_name_to_nr()) - tracing: Call arch_init_ftrace_syscalls at boot - tracing: add support tracepoint ids (set_syscall_{enter,exit}_id()) Taken from the s390 change. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 24 8月, 2009 1 次提交
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由 Paul Mundt 提交于
Needed by ftrace changes in -tip. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 11 7月, 2009 1 次提交
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由 Matt Fleming 提交于
Add both dynamic and static function graph tracer support for sh. Signed-off-by: NMatt Fleming <matt@console-pimps.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 06 7月, 2009 1 次提交
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由 Matt Fleming 提交于
Now that I've added TIF_SYSCALL_FTRACE the thread flags do not fit into a single byte any more. Code testing them now needs to be aware of the upper and lower bytes. Signed-off-by: NMatt Fleming <matt@console-pimps.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 12 6月, 2009 1 次提交
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由 Matt Fleming 提交于
Ftrace on sh handles nop'ing out trace function calls differently than other architectures. Instead of inserting NOP instructions in place of the call to the function tracer we branch over the call instructions and continue executing the main body of the function. This patch fixes a bug in the implementation of ftrace_modify_code() where we check that the old value of the code we're about to replace is an expected one. In the ftrace_make_call() code path ftrace_modify_code() was comparing the old instruction value with NOP instructions. The compare was failing because we never actually insert NOP instructions. It makes sense to just get rid of the NOP instructions in ftrace_nop and compare the old code with the address of the function body if we're expecting ftrace to have nop'd out the function trace call. Signed-off-by: NMatt Fleming <matt@console-pimps.org>
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- 11 6月, 2009 1 次提交
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由 Matt Fleming 提交于
Use my current email address as my gentoo account will be closed at some point. Signed-off-by: NMatt Fleming <matt@console-pimps.org>
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- 22 12月, 2008 2 次提交
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由 Paul Mundt 提交于
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Matt Fleming 提交于
First cut at dynamic ftrace support. Signed-off-by: NMatt Fleming <mjf@gentoo.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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