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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-09 13:37:46 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-09 13:37:46 -0400
commitc2ea122cd7c4a094be71641f3961796398035513 (patch)
tree7150db3e27a078c8a4183964a882bb15ba9f3f64
parent17b2e9bf27d417bc186cc922b4d6d5eaa048f9d8 (diff)
parent66bb74888eb4bef4ba7c87c931ecb7ecca3a240c (diff)
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
-rw-r--r--Documentation/trace/ftrace.txt (renamed from Documentation/ftrace.txt)0
-rw-r--r--Documentation/trace/kmemtrace.txt (renamed from Documentation/vm/kmemtrace.txt)0
-rw-r--r--Documentation/trace/mmiotrace.txt (renamed from Documentation/tracers/mmiotrace.txt)0
-rw-r--r--Documentation/trace/tracepoints.txt (renamed from Documentation/tracepoints.txt)0
-rw-r--r--arch/x86/kernel/ftrace.c2
-rw-r--r--arch/x86/kernel/ptrace.c3
-rw-r--r--include/linux/ftrace.h31
-rw-r--r--include/linux/syscalls.h2
-rw-r--r--include/trace/syscall.h35
-rw-r--r--kernel/trace/blktrace.c10
-rw-r--r--kernel/trace/trace_syscalls.c2
11 files changed, 47 insertions, 38 deletions
diff --git a/Documentation/ftrace.txt b/Documentation/trace/ftrace.txt
index fd9a3e693813..fd9a3e693813 100644
--- a/Documentation/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
diff --git a/Documentation/vm/kmemtrace.txt b/Documentation/trace/kmemtrace.txt
index a956d9b7f943..a956d9b7f943 100644
--- a/Documentation/vm/kmemtrace.txt
+++ b/Documentation/trace/kmemtrace.txt
diff --git a/Documentation/tracers/mmiotrace.txt b/Documentation/trace/mmiotrace.txt
index 5731c67abc55..5731c67abc55 100644
--- a/Documentation/tracers/mmiotrace.txt
+++ b/Documentation/trace/mmiotrace.txt
diff --git a/Documentation/tracepoints.txt b/Documentation/trace/tracepoints.txt
index c0e1ceed75a4..c0e1ceed75a4 100644
--- a/Documentation/tracepoints.txt
+++ b/Documentation/trace/tracepoints.txt
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 70a10ca100f6..18dfa30795c9 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -18,6 +18,8 @@
18#include <linux/init.h> 18#include <linux/init.h>
19#include <linux/list.h> 19#include <linux/list.h>
20 20
21#include <trace/syscall.h>
22
21#include <asm/cacheflush.h> 23#include <asm/cacheflush.h>
22#include <asm/ftrace.h> 24#include <asm/ftrace.h>
23#include <asm/nops.h> 25#include <asm/nops.h>
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index fe9345c967de..23b7c8f017e2 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -21,7 +21,6 @@
21#include <linux/audit.h> 21#include <linux/audit.h>
22#include <linux/seccomp.h> 22#include <linux/seccomp.h>
23#include <linux/signal.h> 23#include <linux/signal.h>
24#include <linux/ftrace.h>
25 24
26#include <asm/uaccess.h> 25#include <asm/uaccess.h>
27#include <asm/pgtable.h> 26#include <asm/pgtable.h>
@@ -35,6 +34,8 @@
35#include <asm/proto.h> 34#include <asm/proto.h>
36#include <asm/ds.h> 35#include <asm/ds.h>
37 36
37#include <trace/syscall.h>
38
38#include "tls.h" 39#include "tls.h"
39 40
40enum x86_regset { 41enum x86_regset {
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index da5405dce347..8a0c2f221e6b 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -357,7 +357,7 @@ struct ftrace_graph_ret {
357#ifdef CONFIG_FUNCTION_GRAPH_TRACER 357#ifdef CONFIG_FUNCTION_GRAPH_TRACER
358 358
359/* for init task */ 359/* for init task */
360#define INIT_FTRACE_GRAPH .ret_stack = NULL 360#define INIT_FTRACE_GRAPH .ret_stack = NULL,
361 361
362/* 362/*
363 * Stack of return addresses for functions 363 * Stack of return addresses for functions
@@ -511,33 +511,4 @@ static inline void trace_hw_branch_oops(void) {}
511 511
512#endif /* CONFIG_HW_BRANCH_TRACER */ 512#endif /* CONFIG_HW_BRANCH_TRACER */
513 513
514/*
515 * A syscall entry in the ftrace syscalls array.
516 *
517 * @name: name of the syscall
518 * @nb_args: number of parameters it takes
519 * @types: list of types as strings
520 * @args: list of args as strings (args[i] matches types[i])
521 */
522struct syscall_metadata {
523 const char *name;
524 int nb_args;
525 const char **types;
526 const char **args;
527};
528
529#ifdef CONFIG_FTRACE_SYSCALLS
530extern void arch_init_ftrace_syscalls(void);
531extern struct syscall_metadata *syscall_nr_to_meta(int nr);
532extern void start_ftrace_syscalls(void);
533extern void stop_ftrace_syscalls(void);
534extern void ftrace_syscall_enter(struct pt_regs *regs);
535extern void ftrace_syscall_exit(struct pt_regs *regs);
536#else
537static inline void start_ftrace_syscalls(void) { }
538static inline void stop_ftrace_syscalls(void) { }
539static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
540static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
541#endif
542
543#endif /* _LINUX_FTRACE_H */ 514#endif /* _LINUX_FTRACE_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 6470f74074af..dabe4ad89141 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -65,7 +65,7 @@ struct old_linux_dirent;
65#include <asm/signal.h> 65#include <asm/signal.h>
66#include <linux/quota.h> 66#include <linux/quota.h>
67#include <linux/key.h> 67#include <linux/key.h>
68#include <linux/ftrace.h> 68#include <trace/syscall.h>
69 69
70#define __SC_DECL1(t1, a1) t1 a1 70#define __SC_DECL1(t1, a1) t1 a1
71#define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__) 71#define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__)
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
new file mode 100644
index 000000000000..8cfe515cbc47
--- /dev/null
+++ b/include/trace/syscall.h
@@ -0,0 +1,35 @@
1#ifndef _TRACE_SYSCALL_H
2#define _TRACE_SYSCALL_H
3
4#include <asm/ptrace.h>
5
6/*
7 * A syscall entry in the ftrace syscalls array.
8 *
9 * @name: name of the syscall
10 * @nb_args: number of parameters it takes
11 * @types: list of types as strings
12 * @args: list of args as strings (args[i] matches types[i])
13 */
14struct syscall_metadata {
15 const char *name;
16 int nb_args;
17 const char **types;
18 const char **args;
19};
20
21#ifdef CONFIG_FTRACE_SYSCALLS
22extern void arch_init_ftrace_syscalls(void);
23extern struct syscall_metadata *syscall_nr_to_meta(int nr);
24extern void start_ftrace_syscalls(void);
25extern void stop_ftrace_syscalls(void);
26extern void ftrace_syscall_enter(struct pt_regs *regs);
27extern void ftrace_syscall_exit(struct pt_regs *regs);
28#else
29static inline void start_ftrace_syscalls(void) { }
30static inline void stop_ftrace_syscalls(void) { }
31static inline void ftrace_syscall_enter(struct pt_regs *regs) { }
32static inline void ftrace_syscall_exit(struct pt_regs *regs) { }
33#endif
34
35#endif /* _TRACE_SYSCALL_H */
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index b32ff446c3fb..921ef5d1f0ba 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1377,12 +1377,12 @@ static int blk_trace_str2mask(const char *str)
1377{ 1377{
1378 int i; 1378 int i;
1379 int mask = 0; 1379 int mask = 0;
1380 char *s, *token; 1380 char *buf, *s, *token;
1381 1381
1382 s = kstrdup(str, GFP_KERNEL); 1382 buf = kstrdup(str, GFP_KERNEL);
1383 if (s == NULL) 1383 if (buf == NULL)
1384 return -ENOMEM; 1384 return -ENOMEM;
1385 s = strstrip(s); 1385 s = strstrip(buf);
1386 1386
1387 while (1) { 1387 while (1) {
1388 token = strsep(&s, ","); 1388 token = strsep(&s, ",");
@@ -1403,7 +1403,7 @@ static int blk_trace_str2mask(const char *str)
1403 break; 1403 break;
1404 } 1404 }
1405 } 1405 }
1406 kfree(s); 1406 kfree(buf);
1407 1407
1408 return mask; 1408 return mask;
1409} 1409}
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index a2a3af29c943..5e579645ac86 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -1,5 +1,5 @@
1#include <trace/syscall.h>
1#include <linux/kernel.h> 2#include <linux/kernel.h>
2#include <linux/ftrace.h>
3#include <asm/syscall.h> 3#include <asm/syscall.h>
4 4
5#include "trace_output.h" 5#include "trace_output.h"