mirror of https://gitlab.com/qemu-project/qemu
*-user: remove the guest_user_syscall tracepoints
This is pure duplication now. Both bsd-user and linux-user have builtin strace support and we can also track syscalls via the plugins system. Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20230526165401.574474-2-alex.bennee@linaro.org Message-Id: <20230524133952.3971948-2-alex.bennee@linaro.org> [Remove unused variable in do_freebsd_syscall() reported by Richard Henderson. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -528,10 +528,8 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
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abi_long arg5, abi_long arg6, abi_long arg7,
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abi_long arg5, abi_long arg6, abi_long arg7,
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abi_long arg8)
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abi_long arg8)
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{
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{
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CPUState *cpu = env_cpu(cpu_env);
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abi_long ret;
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abi_long ret;
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trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
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if (do_strace) {
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if (do_strace) {
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print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
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print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
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}
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}
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@ -541,7 +539,6 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
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if (do_strace) {
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if (do_strace) {
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print_freebsd_syscall_ret(num, ret);
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print_freebsd_syscall_ret(num, ret);
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}
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}
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trace_guest_user_syscall_ret(cpu, num, ret);
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return ret;
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return ret;
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}
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}
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@ -26,9 +26,6 @@ static inline void record_syscall_start(void *cpu, int num,
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abi_long arg5, abi_long arg6,
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abi_long arg5, abi_long arg6,
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abi_long arg7, abi_long arg8)
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abi_long arg7, abi_long arg8)
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{
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{
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trace_guest_user_syscall(cpu, num,
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arg1, arg2, arg3, arg4,
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arg5, arg6, arg7, arg8);
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qemu_plugin_vcpu_syscall(cpu, num,
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qemu_plugin_vcpu_syscall(cpu, num,
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arg1, arg2, arg3, arg4,
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arg1, arg2, arg3, arg4,
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arg5, arg6, arg7, arg8);
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arg5, arg6, arg7, arg8);
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@ -36,7 +33,6 @@ static inline void record_syscall_start(void *cpu, int num,
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static inline void record_syscall_return(void *cpu, int num, abi_long ret)
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static inline void record_syscall_return(void *cpu, int num, abi_long ret)
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{
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{
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trace_guest_user_syscall_ret(cpu, num, ret);
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qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
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qemu_plugin_vcpu_syscall_ret(cpu, num, ret);
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}
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}
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19
trace-events
19
trace-events
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@ -85,22 +85,3 @@ vcpu guest_cpu_exit(void)
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# Targets: all
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# Targets: all
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vcpu guest_cpu_reset(void)
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vcpu guest_cpu_reset(void)
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# include/user/syscall-trace.h
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# @num: System call number.
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# @arg*: System call argument value.
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#
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# Start executing a guest system call in syscall emulation mode.
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#
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# Mode: user
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# Targets: TCG(all)
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vcpu guest_user_syscall(uint64_t num, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5, uint64_t arg6, uint64_t arg7, uint64_t arg8) "num=0x%016"PRIx64" arg1=0x%016"PRIx64" arg2=0x%016"PRIx64" arg3=0x%016"PRIx64" arg4=0x%016"PRIx64" arg5=0x%016"PRIx64" arg6=0x%016"PRIx64" arg7=0x%016"PRIx64" arg8=0x%016"PRIx64
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# @num: System call number.
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# @ret: System call result value.
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#
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# Finish executing a guest system call in syscall emulation mode.
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#
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# Mode: user
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# Targets: TCG(all)
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vcpu guest_user_syscall_ret(uint64_t num, uint64_t ret) "num=0x%016"PRIx64" ret=0x%016"PRIx64
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