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authorNamhyung Kim <namhyung.kim@lge.com>2013-07-03 13:50:51 +0900
committerSteven Rostedt <rostedt@goodmis.org>2014-01-02 16:17:29 -0500
commitc31ffb3ff633109e8b7b438a9e1815b919f5e32d (patch)
tree77536f8c866a626b4e7992151058068dd8bda5d8 /kernel/trace/trace_probe.h
parent50eb2672ce13d73e96f6cee84e78cfb52513ff48 (diff)
downloadlinux-c31ffb3ff633109e8b7b438a9e1815b919f5e32d.tar.bz2
tracing/kprobes: Factor out struct trace_probe
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>
Diffstat (limited to 'kernel/trace/trace_probe.h')
-rw-r--r--kernel/trace/trace_probe.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index 5c7e09d10d74..984e91ed8a44 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -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)
{