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

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* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing: Fix return of trace_dump_stack()
  ksym_tracer: Fix bad cast
  tracing/power: Remove two exports
  tracing: Change event->profile_count to be int type
  tracing: Simplify trace_option_write()
  tracing: Remove useless trace option
  tracing: Use seq file for trace_clock
  tracing: Use seq file for trace_options
  function-graph: Allow writing the same val to set_graph_function
  ftrace: Call trace_parser_clear() properly
  ftrace: Return EINVAL when writing invalid val to set_ftrace_filter
  tracing: Move a printk out of ftrace_raw_reg_event_foo()
  tracing: Pull up calls to trace_define_common_fields()
  tracing: Extract duplicate ftrace_raw_init_event_foo()
  ftrace.h: Use common pr_info fmt string
  tracing: Add stack trace to irqsoff tracer
  tracing: Add trace_dump_stack()
  ring-buffer: Move resize integrity check under reader lock
  ring-buffer: Use sync sched protection on ring buffer resizing
  tracing: Fix wrong usage of strstrip in trace_ksyms
This commit is contained in:
Linus Torvalds 2009-12-16 12:02:25 -08:00
commit da184a8064
16 changed files with 196 additions and 275 deletions
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4
include/linux/ftrace_event.h
View file

@ -131,7 +131,7 @@ struct ftrace_event_call {
void *mod;
void *data;
atomic_t profile_count;
int profile_count;
int (*profile_enable)(struct ftrace_event_call *);
void (*profile_disable)(struct ftrace_event_call *);
};
@ -158,7 +158,7 @@ enum {
FILTER_PTR_STRING,
};
extern int trace_define_common_fields(struct ftrace_event_call *call);
extern int trace_event_raw_init(struct ftrace_event_call *call);
extern int trace_define_field(struct ftrace_event_call *call, const char *type,
const char *name, int offset, int size,
int is_signed, int filter_type);

3
include/linux/kernel.h
View file

@ -535,6 +535,8 @@ extern int
__trace_printk(unsigned long ip, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
extern void trace_dump_stack(void);
/*
* The double __builtin_constant_p is because gcc will give us an error
* if we try to allocate the static variable to fmt if it is not a
@ -568,6 +570,7 @@ trace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static inline void tracing_start(void) { }
static inline void tracing_stop(void) { }
static inline void ftrace_off_permanent(void) { }
static inline void trace_dump_stack(void) { }
static inline int
trace_printk(const char *fmt, ...)
{

6
include/linux/syscalls.h
View file

@ -102,12 +102,10 @@ struct perf_event_attr;
#ifdef CONFIG_EVENT_PROFILE
#define TRACE_SYS_ENTER_PROFILE_INIT(sname) \
.profile_count = ATOMIC_INIT(-1), \
.profile_enable = prof_sysenter_enable, \
.profile_disable = prof_sysenter_disable,
#define TRACE_SYS_EXIT_PROFILE_INIT(sname) \
.profile_count = ATOMIC_INIT(-1), \
.profile_enable = prof_sysexit_enable, \
.profile_disable = prof_sysexit_disable,
#else
@ -145,7 +143,7 @@ struct perf_event_attr;
.name = "sys_enter"#sname, \
.system = "syscalls", \
.event = &enter_syscall_print_##sname, \
.raw_init = init_syscall_trace, \
.raw_init = trace_event_raw_init, \
.show_format = syscall_enter_format, \
.define_fields = syscall_enter_define_fields, \
.regfunc = reg_event_syscall_enter, \
@ -167,7 +165,7 @@ struct perf_event_attr;
.name = "sys_exit"#sname, \
.system = "syscalls", \
.event = &exit_syscall_print_##sname, \
.raw_init = init_syscall_trace, \
.raw_init = trace_event_raw_init, \
.show_format = syscall_exit_format, \
.define_fields = syscall_exit_define_fields, \
.regfunc = reg_event_syscall_exit, \