[PATCH 14/14] tracing: make a "compat_syscalls" tracing subsys
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From: Jason Baron on 16 Mar 2010 13:50 Create a new "compat_syscalls" subsys for tracing Signed-off-by: Jason Baron <jbaron(a)redhat.com> --- include/linux/syscalls.h | 38 +++++++++++++++++++------------------- 1 files changed, 19 insertions(+), 19 deletions(-) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 501cd46..94caf73 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -128,7 +128,7 @@ struct perf_event_attr; #define __SC_STR_TDECL5(t, a, ...) #t, __SC_STR_TDECL4(__VA_ARGS__) #define __SC_STR_TDECL6(t, a, ...) #t, __SC_STR_TDECL5(__VA_ARGS__) -#define SYSCALL_TRACE_ENTER_EVENT(sname) \ +#define SYSCALL_TRACE_ENTER_EVENT(sname, subsys) \ static const struct syscall_metadata __syscall_meta_##sname; \ static struct ftrace_event_call \ __attribute__((__aligned__(4))) event_enter_##sname; \ @@ -140,7 +140,7 @@ struct perf_event_attr; __attribute__((section("_ftrace_events"))) \ event_enter_##sname = { \ .name = "enter_"#sname, \ - .system = "syscalls", \ + .system = #subsys, \ .event = &enter_syscall_print_##sname, \ .raw_init = init_syscall_trace, \ .define_fields = syscall_enter_define_fields, \ @@ -150,7 +150,7 @@ struct perf_event_attr; TRACE_SYS_ENTER_PROFILE_INIT \ } -#define SYSCALL_TRACE_EXIT_EVENT(sname) \ +#define SYSCALL_TRACE_EXIT_EVENT(sname, subsys) \ static const struct syscall_metadata __syscall_meta_##sname; \ static struct ftrace_event_call \ __attribute__((__aligned__(4))) event_exit_##sname; \ @@ -162,7 +162,7 @@ struct perf_event_attr; __attribute__((section("_ftrace_events"))) \ event_exit_##sname = { \ .name = "exit_"#sname, \ - .system = "syscalls", \ + .system = #subsys, \ .event = &exit_syscall_print_##sname, \ .raw_init = init_syscall_trace, \ .define_fields = syscall_exit_define_fields, \ @@ -172,9 +172,9 @@ struct perf_event_attr; TRACE_SYS_EXIT_PROFILE_INIT \ } -#define SYSCALL_METADATA(rname, sname, nb) \ - SYSCALL_TRACE_ENTER_EVENT(sname); \ - SYSCALL_TRACE_EXIT_EVENT(sname); \ +#define SYSCALL_METADATA(rname, sname, nb, subsys) \ + SYSCALL_TRACE_ENTER_EVENT(sname, subsys); \ + SYSCALL_TRACE_EXIT_EVENT(sname, subsys); \ static const struct syscall_metadata __used \ __attribute__((__aligned__(4))) \ __attribute__((section("__syscalls_metadata"))) \ @@ -192,8 +192,8 @@ struct perf_event_attr; }; #define SYSCALL_DEFINE0(sname) \ - SYSCALL_TRACE_ENTER_EVENT(sys_##sname); \ - SYSCALL_TRACE_EXIT_EVENT(sys_##sname); \ + SYSCALL_TRACE_ENTER_EVENT(sys_##sname, syscalls); \ + SYSCALL_TRACE_EXIT_EVENT(sys_##sname, syscalls); \ static const struct syscall_metadata __used \ __attribute__((__aligned__(4))) \ __attribute__((section("__syscalls_metadata"))) \ @@ -236,17 +236,17 @@ struct perf_event_attr; #define COMPAT_SYSCALL_DEFINE6(name, ...) COMPAT_SYSCALL_DEFINEx(6, compat_sys_##name, name, __VA_ARGS__) #ifdef CONFIG_FTRACE_SYSCALLS -#define COMPAT_SYSCALL_DEFINEx(x, syscall, sname, ...) \ - static const char *types_compat_sys_##sname[] = { \ - __SC_STR_TDECL##x(__VA_ARGS__) \ - }; \ - static const char *args_compat_sys_##sname[] = { \ - __SC_STR_ADECL##x(__VA_ARGS__) \ - }; \ - SYSCALL_METADATA(syscall, compat_sys_##sname, x); \ +#define COMPAT_SYSCALL_DEFINEx(x, syscall, sname, ...) \ + static const char *types_compat_sys_##sname[] = { \ + __SC_STR_TDECL##x(__VA_ARGS__) \ + }; \ + static const char *args_compat_sys_##sname[] = { \ + __SC_STR_ADECL##x(__VA_ARGS__) \ + }; \ + SYSCALL_METADATA(syscall, compat_sys_##sname, x, compat_syscalls);\ asmlinkage long syscall(__SC_DECL##x(__VA_ARGS__)) #else -#define COMPAT_SYSCALL_DEFINEx(x, sname, ...) \ +#define COMPAT_SYSCALL_DEFINEx(x, sname, ...) \ asmlinkage long syscall(__SC_DECL##x(__VA_ARGS__)) #endif @@ -274,7 +274,7 @@ struct perf_event_attr; static const char *args_sys##sname[] = { \ __SC_STR_ADECL##x(__VA_ARGS__) \ }; \ - SYSCALL_METADATA(sys##sname, sys##sname, x); \ + SYSCALL_METADATA(sys##sname, sys##sname, x, syscalls); \ __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) #else #define SYSCALL_DEFINEx(x, sname, ...) \ -- 1.6.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |