commit 6f4644d15b3df1a9be92348f23a62282a8b332f6
author Josh Gao <jmgao@google.com> Fri Dec 14 13:05:12 2018 -0800
committer Josh Gao <jmgao@google.com> Fri Dec 14 13:29:52 2018 -0800
tree d96da52cef9a7b0d4e55cf8053139aff8b777e06
parent 8f1fcd5b943121e7b021c50468e01e71adb9d514

libdebuggerd: add timestamp to tombstones.

Bug: http://b/120099273
Test: debuggerd_test
Change-Id: I457506f8d9920d969e1eba0265f85693b484f1a9

debuggerd/libdebuggerd/test/tombstone_test.cpp

diff --git a/debuggerd/libdebuggerd/test/tombstone_test.cpp b/debuggerd/libdebuggerd/test/tombstone_test.cpp
index 421ce43..d24c887 100644
--- a/debuggerd/libdebuggerd/test/tombstone_test.cpp
+++ b/debuggerd/libdebuggerd/test/tombstone_test.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <stdlib.h>
+#include <time.h>
 
 #include <memory>
 #include <string>
@@ -494,3 +495,10 @@
   expected += android::base::StringPrintf("ABI: '%s'\n", ABI_STRING);
   ASSERT_STREQ(expected.c_str(), amfd_data_.c_str());
 }
+
+TEST_F(TombstoneTest, dump_timestamp) {
+  setenv("TZ", "UTC", 1);
+  tzset();
+  dump_timestamp(&log_, 0);
+  ASSERT_STREQ("Timestamp: 1970-01-01 00:00:00+0000\n", amfd_data_.c_str());
+}

debuggerd/libdebuggerd/tombstone.cpp

diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index 1179263..b20014f 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -78,6 +78,15 @@
   _LOG(log, logtype::HEADER, "ABI: '%s'\n", ABI_STRING);
 }
 
+static void dump_timestamp(log_t* log, time_t time) {
+  struct tm tm;
+  localtime_r(&time, &tm);
+
+  char buf[strlen("1970-01-01 00:00:00+0830") + 1];
+  strftime(buf, sizeof(buf), "%F %T%z", &tm);
+  _LOG(log, logtype::HEADER, "Timestamp: %s\n", buf);
+}
+
 static void dump_probable_cause(log_t* log, const siginfo_t* si, BacktraceMap* map) {
   std::string cause;
   if (si->si_signo == SIGSEGV && si->si_code == SEGV_MAPERR) {
@@ -654,6 +663,7 @@
 
   _LOG(&log, logtype::HEADER, "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\n");
   dump_header_info(&log);
+  dump_timestamp(&log, time(nullptr));
 
   auto it = threads.find(target_thread);
   if (it == threads.end()) {