From: Jason Baron <jbaron@redhat.com>
To: fweisbec@gmail.com, mingo@elte.hu, rostedt@goodmis.org
Cc: linux-kernel@vger.kernel.org, laijs@cn.fujitsu.com,
lizf@cn.fujitsu.com, hpa@zytor.com, tglx@linutronix.de,
mhiramat@redhat.com, heiko.carstens@de.ibm.com,
benh@kernel.crashing.org, davem@davemloft.net,
lethal@linux-sh.org, schwidefsky@de.ibm.com,
brueckner@linux.vnet.ibm.com, tony.luck@intel.com
Subject: [PATCH 14/14] tracing: make a "compat_syscalls" tracing subsys
Date: Tue, 16 Mar 2010 13:47:16 -0400 [thread overview]
Message-ID: <480e19e0b30c412a77f5030ad6c2bd350819bd12.1268749695.git.jbaron@redhat.com> (raw)
In-Reply-To: <cover.1268749695.git.jbaron@redhat.com>
Create a new "compat_syscalls" subsys for tracing
Signed-off-by: Jason Baron <jbaron@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
next prev parent reply other threads:[~2010-03-16 17:47 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-16 17:46 [PATCH 00/14] tracing: add compat syscall support v3 Jason Baron
2010-03-16 17:46 ` [PATCH 01/14] x86: add NR_syscalls_compat, make ia32 syscall table visible Jason Baron
2010-03-16 17:46 ` [PATCH 02/14] x86: add arch_compat_syscall_addr() Jason Baron
2010-03-17 19:11 ` Frederic Weisbecker
2010-03-16 17:46 ` [PATCH 03/14] compat: have generic is_compat_task for !CONFIG_COMPAT Jason Baron
2010-03-16 17:46 ` [PATCH 04/14] tracing: remove syscall bitmaps in preparation for compat support Jason Baron
2010-03-16 17:46 ` [PATCH 05/14] tracing: move __start_ftrace_events and __stop_ftrace_events to header file Jason Baron
2010-03-16 17:46 ` [PATCH 06/14] tracing: add tracing support for compat syscalls Jason Baron
2010-03-20 6:12 ` Frederic Weisbecker
2010-03-22 20:21 ` Jason Baron
2010-03-27 4:40 ` Frederic Weisbecker
2010-03-16 17:46 ` [PATCH 07/14] syscalls: add ARCH_COMPAT_SYSCALL_DEFINE() Jason Baron
2010-03-18 18:29 ` [PATCH 07/14 re-post] " Jason Baron
2010-03-27 4:56 ` Frederic Weisbecker
2010-05-24 7:05 ` [PATCH 07/14] " Ian Munsie
2010-05-24 20:26 ` Jason Baron
2010-03-16 17:46 ` [PATCH 08/14] x86, compat: convert ia32 layer to use Jason Baron
2010-03-16 17:46 ` [PATCH 09/14] syscalls: add new COMPAT_SYSCALL_DEFINE#N() macro Jason Baron
2010-03-16 17:46 ` [PATCH 10/14] compat: convert to use COMPAT_SYSCALL_DEFINE#N() Jason Baron
2010-03-16 17:47 ` [PATCH 11/14] compat: convert fs compat to use COMPAT_SYSCALL_DEFINE#N() macros Jason Baron
2010-03-16 17:47 ` [PATCH 12/14] tags: recognize compat syscalls Jason Baron
2010-03-16 17:47 ` [PATCH 13/14] cleanup: remove arg from TRACE_SYS_ENTER_PROFILE_INIT() macro Jason Baron
2010-03-16 17:47 ` Jason Baron [this message]
2010-03-18 18:22 ` [PATCH 15/14] compat_syscalls: introduce CONFIG_COMPAT_FTRACE_SYSCALLS Jason Baron
2010-03-27 5:00 ` [PATCH 00/14] tracing: add compat syscall support v3 Frederic Weisbecker
2010-05-21 9:40 ` Ian Munsie
2010-05-21 13:24 ` Jason Baron
2010-05-21 13:31 ` Frederic Weisbecker
2010-06-17 7:39 ` Ian Munsie
2010-06-17 7:46 ` Frederic Weisbecker
2010-06-17 15:39 ` Jason Baron
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