Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing: consolidate documents
  blktrace: pass the right pointer to kfree()
  tracing/syscalls: use a dedicated file header
  tracing: append a comma to INIT_FTRACE_GRAPH
This commit is contained in:
Linus Torvalds 2009-04-09 10:37:46 -07:00
commit c2ea122cd7
11 changed files with 47 additions and 38 deletions

View File

@ -18,6 +18,8 @@
#include <linux/init.h>
#include <linux/list.h>
#include <trace/syscall.h>
#include <asm/cacheflush.h>
#include <asm/ftrace.h>
#include <asm/nops.h>

View File

@ -21,7 +21,6 @@
#include <linux/audit.h>
#include <linux/seccomp.h>
#include <linux/signal.h>
#include <linux/ftrace.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@ -35,6 +34,8 @@
#include <asm/proto.h>
#include <asm/ds.h>
#include <trace/syscall.h>
#include "tls.h"
enum x86_regset {

View File

@ -357,7 +357,7 @@ struct ftrace_graph_ret {
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/* for init task */
#define INIT_FTRACE_GRAPH .ret_stack = NULL
#define INIT_FTRACE_GRAPH .ret_stack = NULL,
/*
* Stack of return addresses for functions
@ -511,33 +511,4 @@ static inline void trace_hw_branch_oops(void) {}
#endif /* CONFIG_HW_BRANCH_TRACER */
/*
* A syscall entry in the ftrace syscalls array.
*
* @name: name of the syscall
* @nb_args: number of parameters it takes
* @types: list of types as strings
* @args: list of args as strings (args[i] matches types[i])
*/
struct syscall_metadata {
const char *name;
int nb_args;
const char **types;
const char **args;
};
#ifdef CONFIG_FTRACE_SYSCALLS
extern void arch_init_ftrace_syscalls(void);
extern struct syscall_metadata *syscall_nr_to_meta(int nr);
extern void start_ftrace_syscalls(void);
extern void stop_ftrace_syscalls(void);
extern void ftrace_syscall_enter(struct pt_regs *regs);
extern void ftrace_syscall_exit(struct pt_regs *regs);
#else
static inline void start_ftrace_syscalls(void) { }
static inline void stop_ftrace_syscalls(void) { }
static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
#endif
#endif /* _LINUX_FTRACE_H */

View File

@ -65,7 +65,7 @@ struct old_linux_dirent;
#include <asm/signal.h>
#include <linux/quota.h>
#include <linux/key.h>
#include <linux/ftrace.h>
#include <trace/syscall.h>
#define __SC_DECL1(t1, a1) t1 a1
#define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__)

35
include/trace/syscall.h Normal file
View File

@ -0,0 +1,35 @@
#ifndef _TRACE_SYSCALL_H
#define _TRACE_SYSCALL_H
#include <asm/ptrace.h>
/*
* A syscall entry in the ftrace syscalls array.
*
* @name: name of the syscall
* @nb_args: number of parameters it takes
* @types: list of types as strings
* @args: list of args as strings (args[i] matches types[i])
*/
struct syscall_metadata {
const char *name;
int nb_args;
const char **types;
const char **args;
};
#ifdef CONFIG_FTRACE_SYSCALLS
extern void arch_init_ftrace_syscalls(void);
extern struct syscall_metadata *syscall_nr_to_meta(int nr);
extern void start_ftrace_syscalls(void);
extern void stop_ftrace_syscalls(void);
extern void ftrace_syscall_enter(struct pt_regs *regs);
extern void ftrace_syscall_exit(struct pt_regs *regs);
#else
static inline void start_ftrace_syscalls(void) { }
static inline void stop_ftrace_syscalls(void) { }
static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
#endif
#endif /* _TRACE_SYSCALL_H */

View File

@ -1377,12 +1377,12 @@ static int blk_trace_str2mask(const char *str)
{
int i;
int mask = 0;
char *s, *token;
char *buf, *s, *token;
s = kstrdup(str, GFP_KERNEL);
if (s == NULL)
buf = kstrdup(str, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
s = strstrip(s);
s = strstrip(buf);
while (1) {
token = strsep(&s, ",");
@ -1403,7 +1403,7 @@ static int blk_trace_str2mask(const char *str)
break;
}
}
kfree(s);
kfree(buf);
return mask;
}

View File

@ -1,5 +1,5 @@
#include <trace/syscall.h>
#include <linux/kernel.h>
#include <linux/ftrace.h>
#include <asm/syscall.h>
#include "trace_output.h"