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tracing/kprobes: Factor out struct trace_probe

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There are functions that can be shared to both of kprobes and uprobes.
Separate common data structure to struct trace_probe and use it from
the shared functions.

Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Oleg Nesterov <oleg@redhat.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>
This commit is contained in:
Namhyung Kim 2013-07-03 13:50:51 +09:00 committed by Steven Rostedt
parent 50eb2672ce
commit c31ffb3ff6
2 changed files with 295 additions and 285 deletions
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560
kernel/trace/trace_kprobe.c
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File diff suppressed because it is too large Load Diff

20
kernel/trace/trace_probe.h
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@ -124,6 +124,26 @@ struct probe_arg {
const struct fetch_type *type; /* Type of this argument */
};
struct trace_probe {
unsigned int flags; /* For TP_FLAG_* */
struct ftrace_event_class class;
struct ftrace_event_call call;
struct list_head files;
ssize_t size; /* trace entry size */
unsigned int nr_args;
struct probe_arg args[];
};
static inline bool trace_probe_is_enabled(struct trace_probe *tp)
{
return !!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE));
}
static inline bool trace_probe_is_registered(struct trace_probe *tp)
{
return !!(tp->flags & TP_FLAG_REGISTERED);
}
static inline __kprobes void call_fetch(struct fetch_param *fprm,
struct pt_regs *regs, void *dest)
{