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author | Ingo Molnar <mingo@elte.hu> | 2009-09-19 12:05:25 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-19 12:05:25 +0200 |
commit | be4bdbfbae6b303c21ebe446648f617908a794b5 (patch) | |
tree | 4ea485b2fa95cb17aded35b0ac83d6bdf9a0396d /include/linux | |
parent | fc5377668c3d808e1d53c4aee152c836f55c3490 (diff) | |
parent | 20ab4425a77a1f34028cc6ce57053c22c184ba5f (diff) | |
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Merge branch 'tracing/core-v3' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/urgent
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/ftrace_event.h | 10 | ||||
-rw-r--r-- | include/linux/syscalls.h | 24 |
2 files changed, 16 insertions, 18 deletions
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index bd099ba..4ec5e67 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -4,6 +4,7 @@ #include <linux/ring_buffer.h> #include <linux/trace_seq.h> #include <linux/percpu.h> +#include <linux/hardirq.h> struct trace_array; struct tracer; @@ -130,10 +131,15 @@ struct ftrace_event_call { void *data; atomic_t profile_count; - int (*profile_enable)(struct ftrace_event_call *); - void (*profile_disable)(struct ftrace_event_call *); + int (*profile_enable)(void); + void (*profile_disable)(void); }; +#define FTRACE_MAX_PROFILE_SIZE 2048 + +extern char *trace_profile_buf; +extern char *trace_profile_buf_nmi; + #define MAX_FILTER_PRED 32 #define MAX_FILTER_STR_VAL 256 /* Should handle KSYM_SYMBOL_LEN */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a8e3782..7d9803c 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -100,33 +100,25 @@ struct perf_counter_attr; #ifdef CONFIG_EVENT_PROFILE #define TRACE_SYS_ENTER_PROFILE(sname) \ -static int prof_sysenter_enable_##sname(struct ftrace_event_call *event_call) \ +static int prof_sysenter_enable_##sname(void) \ { \ - int ret = 0; \ - if (!atomic_inc_return(&event_enter_##sname.profile_count)) \ - ret = reg_prof_syscall_enter("sys"#sname); \ - return ret; \ + return reg_prof_syscall_enter("sys"#sname); \ } \ \ -static void prof_sysenter_disable_##sname(struct ftrace_event_call *event_call)\ +static void prof_sysenter_disable_##sname(void) \ { \ - if (atomic_add_negative(-1, &event_enter_##sname.profile_count)) \ - unreg_prof_syscall_enter("sys"#sname); \ + unreg_prof_syscall_enter("sys"#sname); \ } #define TRACE_SYS_EXIT_PROFILE(sname) \ -static int prof_sysexit_enable_##sname(struct ftrace_event_call *event_call) \ +static int prof_sysexit_enable_##sname(void) \ { \ - int ret = 0; \ - if (!atomic_inc_return(&event_exit_##sname.profile_count)) \ - ret = reg_prof_syscall_exit("sys"#sname); \ - return ret; \ + return reg_prof_syscall_exit("sys"#sname); \ } \ \ -static void prof_sysexit_disable_##sname(struct ftrace_event_call *event_call) \ +static void prof_sysexit_disable_##sname(void) \ { \ - if (atomic_add_negative(-1, &event_exit_##sname.profile_count)) \ - unreg_prof_syscall_exit("sys"#sname); \ + unreg_prof_syscall_exit("sys"#sname); \ } #define TRACE_SYS_ENTER_PROFILE_INIT(sname) \ |