Move over to ABSL logging and flags.
Removes gperftools too since that wants gflags.
Here come the fireworks.
Change-Id: I79cb7bcf60f1047fbfa28bfffc21a0fd692e4b1c
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/aos/ftrace.cc b/aos/ftrace.cc
index 37dc147..c731264 100644
--- a/aos/ftrace.cc
+++ b/aos/ftrace.cc
@@ -3,16 +3,18 @@
#include <cstdarg>
#include <cstdio>
+#include "absl/flags/flag.h"
+#include "absl/log/check.h"
#include "absl/strings/str_cat.h"
-DEFINE_bool(enable_ftrace, false,
- "If false, disable logging to /sys/kernel/tracing/trace_marker");
+ABSL_FLAG(bool, enable_ftrace, false,
+ "If false, disable logging to /sys/kernel/tracing/trace_marker");
namespace aos {
namespace {
int MaybeCheckOpen(const char *file) {
- if (!FLAGS_enable_ftrace) return -1;
+ if (!absl::GetFlag(FLAGS_enable_ftrace)) return -1;
int result =
open(absl::StrCat("/sys/kernel/tracing/", file).c_str(), O_WRONLY);
if (result == -1) {
@@ -42,6 +44,13 @@
}
}
+void Ftrace::TurnOffOrDie() {
+ CHECK(on_fd_ != -1)
+ << ": Failed to open tracing_on earlier, cannot turn off tracing";
+ char zero = '0';
+ CHECK_EQ(write(on_fd_, &zero, 1), 1) << ": Failed to turn tracing off";
+}
+
void Ftrace::FormatMessage(const char *format, ...) {
if (message_fd_ == -1) {
return;