xo-alloc: + timing stats + timeseries tooltips
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df9ad3b855
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78195b0218
5 changed files with 110 additions and 40 deletions
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@ -14,6 +14,7 @@ set(SELF_SRCS
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)
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xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
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xo_dependency(${SELF_LIB} xo_unit)
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xo_dependency(${SELF_LIB} reflect)
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xo_dependency(${SELF_LIB} callback)
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@ -7,6 +7,7 @@
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#include "GC.hpp"
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#include "Object.hpp"
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#include "xo/indentlog/scope.hpp"
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#include <chrono>
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#include <cassert>
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#include <cstddef>
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@ -1037,9 +1038,9 @@ namespace xo {
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}
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void
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GC::cleanup_phase(generation upto)
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GC::cleanup_phase(generation upto, nanos dt)
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{
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scope log(XO_DEBUG(config_.debug_flag_));
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scope log(XO_DEBUG(config_.stats_flag_));
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std::size_t N0_before_gc = nursery_from()->after_checkpoint();
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std::size_t N1_before_gc = nursery_from()->before_checkpoint();
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@ -1098,6 +1099,7 @@ namespace xo {
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this->tenured_to()->checkpoint();
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if (log) {
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log(xtag("gcseq_before_gc", gc_statistics_.n_gc()));
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log(xtag("N0_before_gc", N0_before_gc));
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log(xtag("N1_before_gc", N1_before_gc));
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log(xtag("N_after_gc", N_after_gc));
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@ -1107,18 +1109,6 @@ namespace xo {
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log(xtag("T_after_gc", T_after_gc));
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}
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GcStatisticsHistoryItem item(upto,
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new_alloc_z,
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survive_z,
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promote_z,
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persist_z,
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effort_z,
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garbage0_z,
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garbage1_z,
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garbageN_z);
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this->gc_history_.push_back(item);
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this->incr_gc_pending_ = false;
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this->gc_statistics_.include_gc(generation::nursery, N0_before_gc, N_before_gc, N_after_gc, promote_z);
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@ -1129,6 +1119,23 @@ namespace xo {
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// still want to update tenured stats for current alloc size
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this->gc_statistics_.update_snapshot(generation::tenured, T_after_gc);
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}
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GcStatisticsHistoryItem item(gc_statistics_.n_gc(),
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upto,
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new_alloc_z,
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survive_z,
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promote_z,
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persist_z,
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effort_z,
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garbage0_z,
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garbage1_z,
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garbageN_z,
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dt);
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log && log(xtag("gcseq_after_gc", gc_statistics_.n_gc()),
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xtag("item", item));
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this->gc_history_.push_back(item);
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} /*cleanup_phase*/
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void
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@ -1136,6 +1143,8 @@ namespace xo {
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{
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scope log(XO_DEBUG(config_.stats_flag_));
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auto t0 = std::chrono::steady_clock::now();
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bool full_move = (upto == generation::tenured);
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// TODO: RAII version in case of exceptions
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@ -1146,9 +1155,7 @@ namespace xo {
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/* new allocation since last GC */
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std::size_t new_alloc = this->after_checkpoint();
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++(gc_statistics_.gen_v_[static_cast<std::size_t>(upto)].n_gc_);
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gc_statistics_.total_allocated_ += new_alloc;
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gc_statistics_.total_promoted_sab_ = gc_statistics_.total_promoted_;
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gc_statistics_.begin_gc(upto, new_alloc);
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log && log(xtag("new_alloc", new_alloc));
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@ -1176,10 +1183,13 @@ namespace xo {
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log && log("step 6 : cleanup");
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this->cleanup_phase(upto);
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this->capture_object_statistics(upto, capture_phase::sae);
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auto t1 = std::chrono::steady_clock::now();
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auto dt = std::chrono::duration_cast<std::chrono::nanoseconds>(t1 - t0);
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this->cleanup_phase(upto, xo::qty::qty::nanoseconds(dt.count()));
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log && log("object statistics [nursery]:");
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log && log(refrtag("stats", object_statistics_sab_[gen2int(generation::nursery)]));
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log && log("object statistics [tenured]:");
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@ -1233,6 +1243,13 @@ namespace xo {
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this->request_gc(full_gc_pending_ ? generation::tenured : generation::nursery);
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}
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}
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void
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GC::enable_gc_once() {
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this->enable_gc();
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this->disable_gc();
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}
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} /*namespace gc*/
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} /*namespace xo*/
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@ -16,6 +16,7 @@ namespace xo {
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{
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this->update_snapshot(after_z);
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//++n_gc_;
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new_alloc_z_ += alloc_z;
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scanned_z_ += before_z;
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survive_z_ += after_z;
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@ -41,6 +42,15 @@ namespace xo {
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<< ">";
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}
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void
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GcStatistics::begin_gc(generation upto,
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std::size_t new_alloc)
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{
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++(this->gen_v_[static_cast<std::size_t>(upto)].n_gc_);
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this->total_allocated_ += new_alloc;
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this->total_promoted_sab_ = total_promoted_;
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}
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void
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GcStatistics::include_gc(generation upto,
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std::size_t alloc_z,
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@ -105,6 +115,7 @@ namespace xo {
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<< xrtag("garbage0_z", garbage0_z_)
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<< xrtag("garbage1_z", garbage1_z_)
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<< xrtag("garbageN_z", garbageN_z_)
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<< xrtag("dt", dt_)
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<< ">";
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}
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@ -177,7 +188,8 @@ namespace xo {
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refrtag("effort_z", x.effort_z_),
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refrtag("garbage0_z", x.garbage0_z_),
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refrtag("garbage1_z", x.garbage1_z_),
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refrtag("garbageN_z", x.garbageN_z_));
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refrtag("garbageN_z", x.garbageN_z_),
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refrtag("dt", x.dt_));
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}
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} /*namespace print*/
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} /*namespace xo*/
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