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Added new macro SYSCALL_TRACING_IGNORE_KTRACE_OUTPUT to disable tracing

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for the _kern_ktrace_output() syscall.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24392 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-03-14 21:58:17 +00:00
parent 929c94fe37
commit 6044b22ddb
2 changed files with 15 additions and 2 deletions
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headers/private/kernel/tracing_config.h
+1
View File
@@ -22,6 +22,7 @@
//#define RUNTIME_LOADER_TRACING
//#define SIGNAL_TRACING
//#define SYSCALL_TRACING
//#define SYSCALL_TRACING_IGNORE_KTRACE_OUTPUT
//#define TEAM_TRACING
//#define USER_MALLOC_TRACING
src/system/kernel/syscalls.cpp
+14 -2
View File
@@ -1,4 +1,5 @@
/*
* Copyright 2008, Ingo Weinhold, [email protected].
* Copyright 2004-2006, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
@@ -447,7 +448,12 @@ extern "C" void trace_pre_syscall(uint32 syscallNumber, const void* parameters);
void
trace_pre_syscall(uint32 syscallNumber, const void* parameters)
{
new(std::nothrow) SyscallTracing::PreSyscall(syscallNumber, parameters);
#ifdef SYSCALL_TRACING_IGNORE_KTRACE_OUTPUT
if (syscallNumber != SYSCALL_KTRACE_OUTPUT)
#endif
{
new(std::nothrow) SyscallTracing::PreSyscall(syscallNumber, parameters);
}
}
@@ -456,7 +462,13 @@ extern "C" void trace_post_syscall(int syscallNumber, uint64 returnValue);
void
trace_post_syscall(int syscallNumber, uint64 returnValue)
{
new(std::nothrow) SyscallTracing::PostSyscall(syscallNumber, returnValue);
#ifdef SYSCALL_TRACING_IGNORE_KTRACE_OUTPUT
if (syscallNumber != SYSCALL_KTRACE_OUTPUT)
#endif
{
new(std::nothrow) SyscallTracing::PostSyscall(syscallNumber,
returnValue);
}
}