Faster bugreports (2/n)

- Having a system property to disable parallel run function.
- Post 'DumpTraces' to the thread pool. 3% is
  improved compared with single thread run.

Bug: 136262402
Test: atest dumpstate_test
Test: atest dumpstate_smoke_test
Test: Manual enable and disable parallel run
Test: Manual trigger report using hardware key
Test: Manual trigger using bugreport shortcut
Change-Id: I2185cc3e2f429a150605d6268324c52d137db385
Merged-In: I2185cc3e2f429a150605d6268324c52d137db385
(cherry picked from commit 5377d797fff94e0e070fdbbadc89288d90cc5f2c)

1 files changed, 9 insertions, 0 deletions

diff --git a/cmds/dumpstate/DumpstateUtil.cpp b/cmds/dumpstate/DumpstateUtil.cpp
index 4b69607156..eeaa5a3de0 100644
--- a/cmds/dumpstate/DumpstateUtil.cpp
+++ b/cmds/dumpstate/DumpstateUtil.cpp
@@ -180,6 +180,7 @@ CommandOptions::CommandOptionsBuilder CommandOptions::WithTimeoutInMs(int64_t ti
 std::string PropertiesHelper::build_type_ = "";
 int PropertiesHelper::dry_run_ = -1;
 int PropertiesHelper::unroot_ = -1;
+int PropertiesHelper::parallel_run_ = -1;
 
 bool PropertiesHelper::IsUserBuild() {
     if (build_type_.empty()) {
@@ -202,6 +203,14 @@ bool PropertiesHelper::IsUnroot() {
     return unroot_ == 1;
 }
 
+bool PropertiesHelper::IsParallelRun() {
+    if (parallel_run_ == -1) {
+        parallel_run_ = android::base::GetBoolProperty("dumpstate.parallel_run",
+                /* default_value = */true) ? 1 : 0;
+    }
+    return parallel_run_ == 1;
+}
+
 int DumpFileToFd(int out_fd, const std::string& title, const std::string& path) {
     android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path.c_str(), O_RDONLY | O_NONBLOCK | O_CLOEXEC)));
     if (fd.get() < 0) {