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

8171157: Convert ObjectMonitor_test to GTest

Browse source 
Migration of the ObjectMonitor test to GTest. Two GTests were actually created, one for ObjectMonitor and one for ObjectSynchronizer.

Reviewed-by: dcubed, hseigel
This commit is contained in:
Patricio Chilano Mateo 2018-07-27 16:29:36 -04:00 • committed by Daniel D. Daugherty
parent c1bbdfaa2c
commit 2d1029c256
7 changed files with 140 additions and 124 deletions
Download patch file Download diff file Expand all files Collapse all files

54
src/hotspot/share/runtime/synchronizer.cpp
View file

@ -1906,52 +1906,20 @@ const char* ObjectSynchronizer::inflate_cause_name(const InflateCause cause) {
//------------------------------------------------------------------------------
// Debugging code
void ObjectSynchronizer::sanity_checks(const bool verbose,
const uint cache_line_size,
int *error_cnt_ptr,
int *warning_cnt_ptr) {
u_char *addr_begin = (u_char*)&GVars;
u_char *addr_stwRandom = (u_char*)&GVars.stwRandom;
u_char *addr_hcSequence = (u_char*)&GVars.hcSequence;
u_char* ObjectSynchronizer::get_gvars_addr() {
return (u_char*)&GVars;
}
if (verbose) {
tty->print_cr("INFO: sizeof(SharedGlobals)=" SIZE_FORMAT,
sizeof(SharedGlobals));
}
u_char* ObjectSynchronizer::get_gvars_hcSequence_addr() {
return (u_char*)&GVars.hcSequence;
}
uint offset_stwRandom = (uint)(addr_stwRandom - addr_begin);
if (verbose) tty->print_cr("INFO: offset(stwRandom)=%u", offset_stwRandom);
size_t ObjectSynchronizer::get_gvars_size() {
return sizeof(SharedGlobals);
}
uint offset_hcSequence = (uint)(addr_hcSequence - addr_begin);
if (verbose) {
tty->print_cr("INFO: offset(_hcSequence)=%u", offset_hcSequence);
}
if (cache_line_size != 0) {
// We were able to determine the L1 data cache line size so
// do some cache line specific sanity checks
if (offset_stwRandom < cache_line_size) {
tty->print_cr("WARNING: the SharedGlobals.stwRandom field is closer "
"to the struct beginning than a cache line which permits "
"false sharing.");
(*warning_cnt_ptr)++;
}
if ((offset_hcSequence - offset_stwRandom) < cache_line_size) {
tty->print_cr("WARNING: the SharedGlobals.stwRandom and "
"SharedGlobals.hcSequence fields are closer than a cache "
"line which permits false sharing.");
(*warning_cnt_ptr)++;
}
if ((sizeof(SharedGlobals) - offset_hcSequence) < cache_line_size) {
tty->print_cr("WARNING: the SharedGlobals.hcSequence field is closer "
"to the struct end than a cache line which permits false "
"sharing.");
(*warning_cnt_ptr)++;
}
}
u_char* ObjectSynchronizer::get_gvars_stwRandom_addr() {
return (u_char*)&GVars.stwRandom;
}
#ifndef PRODUCT