diff options
| author | Masami Hiramatsu <mhiramat@kernel.org> | 2019-05-31 18:17:37 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-16 22:14:47 +0300 |
| commit | 747774d6b018ca02493fd3f321624dfce749da61 (patch) | |
| tree | e0420b7753ec8668a09d7744daab7f4e53ae5122 /kernel/trace/trace_kprobe.c | |
| parent | b5f935ee133911b3ed2d4429dd86d2bd5385519d (diff) | |
| download | linux-747774d6b018ca02493fd3f321624dfce749da61.tar.xz | |
tracing/probe: Add trace flag access APIs for trace_probe
Add trace_probe_test/set/clear_flag() functions for accessing
trace_probe.flag field.
This flags field should not be accessed directly.
Link: http://lkml.kernel.org/r/155931585683.28323.314290023236905988.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 87a52094378c..c3ab84cb25c8 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -298,7 +298,7 @@ enable_trace_kprobe(struct trace_kprobe *tk, struct trace_event_file *file) if (ret) return ret; } else - tk->tp.flags |= TP_FLAG_PROFILE; + trace_probe_set_flag(&tk->tp, TP_FLAG_PROFILE); if (enabled) return 0; @@ -308,7 +308,7 @@ enable_trace_kprobe(struct trace_kprobe *tk, struct trace_event_file *file) if (file) trace_probe_remove_file(&tk->tp, file); else - tk->tp.flags &= ~TP_FLAG_PROFILE; + trace_probe_clear_flag(&tk->tp, TP_FLAG_PROFILE); } return ret; @@ -329,9 +329,9 @@ disable_trace_kprobe(struct trace_kprobe *tk, struct trace_event_file *file) return -ENOENT; if (!trace_probe_has_single_file(tp)) goto out; - tp->flags &= ~TP_FLAG_TRACE; + trace_probe_clear_flag(tp, TP_FLAG_TRACE); } else - tp->flags &= ~TP_FLAG_PROFILE; + trace_probe_clear_flag(tp, TP_FLAG_PROFILE); if (!trace_probe_is_enabled(tp) && trace_probe_is_registered(tp)) { if (trace_kprobe_is_return(tk)) @@ -408,7 +408,7 @@ static int __register_trace_kprobe(struct trace_kprobe *tk) ret = register_kprobe(&tk->rp.kp); if (ret == 0) - tk->tp.flags |= TP_FLAG_REGISTERED; + trace_probe_set_flag(&tk->tp, TP_FLAG_REGISTERED); return ret; } @@ -420,7 +420,7 @@ static void __unregister_trace_kprobe(struct trace_kprobe *tk) unregister_kretprobe(&tk->rp); else unregister_kprobe(&tk->rp.kp); - tk->tp.flags &= ~TP_FLAG_REGISTERED; + trace_probe_clear_flag(&tk->tp, TP_FLAG_REGISTERED); /* Cleanup kprobe for reuse */ if (tk->rp.kp.symbol_name) tk->rp.kp.addr = NULL; @@ -1313,10 +1313,10 @@ static int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs) raw_cpu_inc(*tk->nhit); - if (tk->tp.flags & TP_FLAG_TRACE) + if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE)) kprobe_trace_func(tk, regs); #ifdef CONFIG_PERF_EVENTS - if (tk->tp.flags & TP_FLAG_PROFILE) + if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE)) ret = kprobe_perf_func(tk, regs); #endif return ret; @@ -1330,10 +1330,10 @@ kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs) raw_cpu_inc(*tk->nhit); - if (tk->tp.flags & TP_FLAG_TRACE) + if (trace_probe_test_flag(&tk->tp, TP_FLAG_TRACE)) kretprobe_trace_func(tk, ri, regs); #ifdef CONFIG_PERF_EVENTS - if (tk->tp.flags & TP_FLAG_PROFILE) + if (trace_probe_test_flag(&tk->tp, TP_FLAG_PROFILE)) kretprobe_perf_func(tk, ri, regs); #endif return 0; /* We don't tweek kernel, so just return 0 */ |