From 1c569f0264ea629c10bbab471dd0626ce4d3f19f Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Mon, 24 Aug 2009 14:43:14 -0700 Subject: tracing: Create generic syscall TRACE_EVENTs This converts the syscall_enter/exit tracepoints into TRACE_EVENTs, so you can have generic ftrace events that capture all system calls with arguments and return values. These generic events are also renamed to sys_enter/exit, so they're more closely aligned to the specific sys_enter_foo events. Signed-off-by: Josh Stone Cc: Jason Baron Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Li Zefan Cc: Steven Rostedt Cc: Peter Zijlstra Cc: Mathieu Desnoyers Cc: Jiaying Zhang Cc: Martin Bligh Cc: Lai Jiangshan Cc: Paul Mundt Cc: Martin Schwidefsky Cc: Heiko Carstens LKML-Reference: <1251150194-1713-5-git-send-email-jistone@redhat.com> Signed-off-by: Frederic Weisbecker --- kernel/trace/trace_syscalls.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'kernel/trace/trace_syscalls.c') diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 46c1b977a2c..2698fe401eb 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -1,4 +1,5 @@ #include +#include #include #include #include @@ -286,7 +287,7 @@ int reg_event_syscall_enter(void *ptr) return -ENOSYS; mutex_lock(&syscall_trace_lock); if (!sys_refcount_enter) - ret = register_trace_syscall_enter(ftrace_syscall_enter); + ret = register_trace_sys_enter(ftrace_syscall_enter); if (ret) { pr_info("event trace: Could not activate" "syscall entry trace point"); @@ -311,7 +312,7 @@ void unreg_event_syscall_enter(void *ptr) sys_refcount_enter--; clear_bit(num, enabled_enter_syscalls); if (!sys_refcount_enter) - unregister_trace_syscall_enter(ftrace_syscall_enter); + unregister_trace_sys_enter(ftrace_syscall_enter); mutex_unlock(&syscall_trace_lock); } @@ -327,7 +328,7 @@ int reg_event_syscall_exit(void *ptr) return -ENOSYS; mutex_lock(&syscall_trace_lock); if (!sys_refcount_exit) - ret = register_trace_syscall_exit(ftrace_syscall_exit); + ret = register_trace_sys_exit(ftrace_syscall_exit); if (ret) { pr_info("event trace: Could not activate" "syscall exit trace point"); @@ -352,7 +353,7 @@ void unreg_event_syscall_exit(void *ptr) sys_refcount_exit--; clear_bit(num, enabled_exit_syscalls); if (!sys_refcount_exit) - unregister_trace_syscall_exit(ftrace_syscall_exit); + unregister_trace_sys_exit(ftrace_syscall_exit); mutex_unlock(&syscall_trace_lock); } @@ -418,7 +419,7 @@ int reg_prof_syscall_enter(char *name) mutex_lock(&syscall_trace_lock); if (!sys_prof_refcount_enter) - ret = register_trace_syscall_enter(prof_syscall_enter); + ret = register_trace_sys_enter(prof_syscall_enter); if (ret) { pr_info("event trace: Could not activate" "syscall entry trace point"); @@ -442,7 +443,7 @@ void unreg_prof_syscall_enter(char *name) sys_prof_refcount_enter--; clear_bit(num, enabled_prof_enter_syscalls); if (!sys_prof_refcount_enter) - unregister_trace_syscall_enter(prof_syscall_enter); + unregister_trace_sys_enter(prof_syscall_enter); mutex_unlock(&syscall_trace_lock); } @@ -479,7 +480,7 @@ int reg_prof_syscall_exit(char *name) mutex_lock(&syscall_trace_lock); if (!sys_prof_refcount_exit) - ret = register_trace_syscall_exit(prof_syscall_exit); + ret = register_trace_sys_exit(prof_syscall_exit); if (ret) { pr_info("event trace: Could not activate" "syscall entry trace point"); @@ -503,7 +504,7 @@ void unreg_prof_syscall_exit(char *name) sys_prof_refcount_exit--; clear_bit(num, enabled_prof_exit_syscalls); if (!sys_prof_refcount_exit) - unregister_trace_syscall_exit(prof_syscall_exit); + unregister_trace_sys_exit(prof_syscall_exit); mutex_unlock(&syscall_trace_lock); } -- cgit v1.2.3