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| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-07-03 08:50:51 +0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-01-03 01:17:29 +0400 |
| commit | c31ffb3ff633109e8b7b438a9e1815b919f5e32d (patch) | |
| tree | 77536f8c866a626b4e7992151058068dd8bda5d8 /kernel/trace/trace_probe.h | |
| parent | 50eb2672ce13d73e96f6cee84e78cfb52513ff48 (diff) | |
| download | linux-c31ffb3ff633109e8b7b438a9e1815b919f5e32d.tar.xz | |
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.h | 20 |
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) { |