src/share/vm/gc_implementation/g1/g1GCPhaseTimes.cpp

Print this page
rev 5920 : 8035406: Improve data structure for Code Cache remembered sets
Summary: Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.
Reviewed-by:

*** 1,7 **** /* ! * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 248,257 **** --- 248,260 ---- misc_time_ms += _cur_collection_code_root_fixup_time_ms; // Strong code root migration time misc_time_ms += _cur_strong_code_root_migration_time_ms; + // Strong code root purge time + misc_time_ms += _cur_strong_code_root_purge_time_ms; + // Subtract the time taken to clean the card table from the // current value of "other time" misc_time_ms += _cur_clear_ct_time_ms; return misc_time_ms;
*** 297,306 **** --- 300,310 ---- _last_strong_code_root_scan_times_ms.print(1, "Code Root Scanning (ms)"); _last_obj_copy_times_ms.print(1, "Object Copy (ms)"); } print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms); print_stats(1, "Code Root Migration", _cur_strong_code_root_migration_time_ms); + print_stats(1, "Code Root Purge", _cur_strong_code_root_purge_time_ms); print_stats(1, "Clear CT", _cur_clear_ct_time_ms); double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms(); print_stats(1, "Other", misc_time_ms); if (_cur_verify_before_time_ms > 0.0) { print_stats(2, "Verify Before", _cur_verify_before_time_ms);