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| author | Ralf Baechle <ralf@linux-mips.org> | 2013-09-06 20:24:48 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-10-29 21:25:16 +0100 |
| commit | 1d7bf993e0731b4ac790667c196b2a2d787f95c3 (patch) | |
| tree | 235093a4593d6c68b87b5d602a2f1d0dde3ad085 /arch/mips/kernel | |
| parent | 0dfa95aaa817eec8473abf5465eae135b1cf1138 (diff) | |
| download | linux-1d7bf993e0731b4ac790667c196b2a2d787f95c3.tar.bz2 | |
MIPS: ftrace: Add support for syscall tracepoints.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/ptrace.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index b996efcccc11..b52e1d2b33e0 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -29,6 +29,7 @@ #include <linux/tracehook.h> #include <linux/audit.h> #include <linux/seccomp.h> +#include <linux/ftrace.h> #include <asm/byteorder.h> #include <asm/cpu.h> @@ -43,6 +44,9 @@ #include <asm/bootinfo.h> #include <asm/reg.h> +#define CREATE_TRACE_POINTS +#include <trace/events/syscalls.h> + /* * Called by kernel/ptrace.c when detaching.. * @@ -664,6 +668,9 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs) tracehook_report_syscall_entry(regs)) ret = -1; + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_enter(regs, regs->regs[2]); + audit_syscall_entry(__syscall_get_arch(), regs->regs[2], regs->regs[4], regs->regs[5], @@ -685,6 +692,9 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) audit_syscall_exit(regs); + if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) + trace_sys_exit(regs, regs->regs[2]); + if (test_thread_flag(TIF_SYSCALL_TRACE)) tracehook_report_syscall_exit(regs, 0); |