archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-17 17:44:40 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8220151: SafepointTracing::end_of_last_safepoint_ms should return ms since epoch

Browse source 
Reviewed-by: dholmes, redestad
This commit is contained in:
Robbin Ehn 2019-03-06 11:15:16 +01:00
parent 26702d005b
commit d569301f4e
3 changed files with 11 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/hotspot/share/runtime/safepoint.cpp
View file

@ -1121,6 +1121,7 @@ jlong SafepointTracing::_last_safepoint_begin_time_ns = 0;
jlong SafepointTracing::_last_safepoint_sync_time_ns = 0;
jlong SafepointTracing::_last_safepoint_cleanup_time_ns = 0;
jlong SafepointTracing::_last_safepoint_end_time_ns = 0;
jlong SafepointTracing::_last_safepoint_end_time_epoch_ms = 0;
jlong SafepointTracing::_last_app_time_ns = 0;
int SafepointTracing::_nof_threads = 0;
int SafepointTracing::_nof_running = 0;
@ -1133,6 +1134,8 @@ uint64_t SafepointTracing::_op_count[VM_Operation::VMOp_Terminating] = {0};
void SafepointTracing::init() {
// Application start
_last_safepoint_end_time_ns = os::javaTimeNanos();
// amount of time since epoch
_last_safepoint_end_time_epoch_ms = os::javaTimeMillis();
}
// Helper method to print the header.
@ -1232,6 +1235,8 @@ void SafepointTracing::cleanup() {
void SafepointTracing::end() {
_last_safepoint_end_time_ns = os::javaTimeNanos();
// amount of time since epoch
_last_safepoint_end_time_epoch_ms = os::javaTimeMillis();
if (_max_sync_time < (_last_safepoint_sync_time_ns - _last_safepoint_begin_time_ns)) {
_max_sync_time = _last_safepoint_sync_time_ns - _last_safepoint_begin_time_ns;