diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-11-26 15:21:04 +0900 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-01-02 16:17:40 -0500 |
| commit | 3fd996a29515df23b3f20c36d69788a3707254a9 (patch) | |
| tree | 7b6b4484ec5da2e1a63993705d978f50ac16b3ac /kernel/trace/trace_probe.h | |
| parent | 34fee3a104cea1c4b658e51836e4bcd99bd76c70 (diff) | |
tracing/probes: Implement 'stack' fetch method for uprobes
Use separate method to fetch from stack. Move existing functions to
trace_kprobe.c and make them static. Also add new stack fetch
implementation for uprobes.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'kernel/trace/trace_probe.h')
| -rw-r--r-- | kernel/trace/trace_probe.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index 5b77798d1130..8211dd674ab6 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -167,10 +167,6 @@ DECLARE_BASIC_FETCH_FUNCS(reg); #define fetch_reg_string NULL #define fetch_reg_string_size NULL -DECLARE_BASIC_FETCH_FUNCS(stack); -#define fetch_stack_string NULL -#define fetch_stack_string_size NULL - DECLARE_BASIC_FETCH_FUNCS(retval); #define fetch_retval_string NULL #define fetch_retval_string_size NULL @@ -191,6 +187,16 @@ DECLARE_BASIC_FETCH_FUNCS(bitfield); #define fetch_bitfield_string NULL #define fetch_bitfield_string_size NULL +/* + * Define macro for basic types - we don't need to define s* types, because + * we have to care only about bitwidth at recording time. + */ +#define DEFINE_BASIC_FETCH_FUNCS(method) \ +DEFINE_FETCH_##method(u8) \ +DEFINE_FETCH_##method(u16) \ +DEFINE_FETCH_##method(u32) \ +DEFINE_FETCH_##method(u64) + /* Default (unsigned long) fetch type */ #define __DEFAULT_FETCH_TYPE(t) u##t #define _DEFAULT_FETCH_TYPE(t) __DEFAULT_FETCH_TYPE(t) |