[K/N] Prevent unmarked objects from appearing during concurrent weak processing
Merge-request: KT-MR-11614 Merged-by: Alexey Glushko <aleksei.glushko@jetbrains.com>
This commit is contained in:
Aleksei.Glushko
committed by
Space Team
Space Team
parent
3013e3549c
commit
0d04e170b1
@@ -53,10 +53,16 @@ public class RootSetStatistics(
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* @property startTimeNs Time, when garbage collector run is started, meausered by [kotlin.system.getTimeNanos].
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* @property endTimeNs Time, when garbage collector run is ended, measured by [kotlin.system.getTimeNanos].
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* After this point, most of the memory is reclaimed, and a new garbage collector run can start.
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* @property pauseStartTimeNs Time, when mutator threads are suspended, mesured by [kotlin.system.getTimeNanos].
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* @property pauseEndTimeNs Time, when mutator threads are unsuspended, mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseRequestTimeNs Time, when the garbage collector thread requested suspension of mutator threads for the first time,
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* mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseStartTimeNs Time, when mutator threads are suspended for the first time, mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseEndTimeNs Time, when mutator threads are unsuspended for the first time, mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseRequestTimeNs Time, when the garbage collector thread requested suspension of mutator threads for the second time,
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* mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseStartTimeNs Time, when mutator threads are suspended for the second time, mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseEndTimeNs Time, when mutator threads are unsuspended for the second time, mesured by [kotlin.system.getTimeNanos].
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* @property postGcCleanupTimeNs Time, when all memory is reclaimed, measured by [kotlin.system.getTimeNanos].
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* If null, memory reclamation is still in progress.
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* If null, memory reclamation is still in progress.
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* @property rootSet The number of objects in each root set pool. Check [RootSetStatistics] doc for details.
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* @property memoryUsageAfter Memory usage at the start of garbage collector run, separated by memory pools.
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* The set of memory pools depends on the collector implementation.
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@@ -74,8 +80,12 @@ public class GCInfo(
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val epoch: Long,
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val startTimeNs: Long,
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val endTimeNs: Long,
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val pauseStartTimeNs: Long,
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val pauseEndTimeNs: Long,
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val firstPauseRequestTimeNs: Long,
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val firstPauseStartTimeNs: Long,
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val firstPauseEndTimeNs: Long,
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val secondPauseRequestTimeNs: Long?,
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val secondPauseStartTimeNs: Long?,
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val secondPauseEndTimeNs: Long?,
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val postGcCleanupTimeNs: Long?,
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val rootSet: RootSetStatistics,
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val memoryUsageBefore: Map<String, MemoryUsage>,
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@@ -89,8 +99,12 @@ public class GCInfo(
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info.epoch,
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info.startTimeNs,
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info.endTimeNs,
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info.pauseStartTimeNs,
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info.pauseEndTimeNs,
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info.firstPauseRequestTimeNs,
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info.firstPauseStartTimeNs,
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info.firstPauseEndTimeNs,
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info.secondPauseRequestTimeNs,
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info.secondPauseStartTimeNs,
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info.secondPauseEndTimeNs,
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info.postGcCleanupTimeNs,
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info.rootSet.let {
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RootSetStatistics(
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@@ -71,8 +71,14 @@ public class RootSetStatistics(
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* @property startTimeNs Time, when garbage collector run is started, meausered by [kotlin.system.getTimeNanos].
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* @property endTimeNs Time, when garbage collector run is ended, measured by [kotlin.system.getTimeNanos].
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* After this point, most of the memory is reclaimed, and a new garbage collector run can start.
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* @property pauseStartTimeNs Time, when mutator threads are suspended, mesured by [kotlin.system.getTimeNanos].
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* @property pauseEndTimeNs Time, when mutator threads are unsuspended, mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseRequestTimeNs Time, when the garbage collector thread requested suspension of mutator threads for the first time,
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* mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseStartTimeNs Time, when mutator threads are suspended for the first time, mesured by [kotlin.system.getTimeNanos].
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* @property firstPauseEndTimeNs Time, when mutator threads are unsuspended for the first time, mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseRequestTimeNs Time, when the garbage collector thread requested suspension of mutator threads for the second time,
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* mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseStartTimeNs Time, when mutator threads are suspended for the second time, mesured by [kotlin.system.getTimeNanos].
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* @property secondPauseEndTimeNs Time, when mutator threads are unsuspended for the second time, mesured by [kotlin.system.getTimeNanos].
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* @property postGcCleanupTimeNs Time, when all memory is reclaimed, measured by [kotlin.system.getTimeNanos].
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* If null, memory reclamation is still in progress.
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* @property rootSet The number of objects in each root set pool. Check [RootSetStatistics] doc for details.
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@@ -93,8 +99,12 @@ public class GCInfo(
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val epoch: Long,
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val startTimeNs: Long,
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val endTimeNs: Long,
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val pauseStartTimeNs: Long,
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val pauseEndTimeNs: Long,
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val firstPauseRequestTimeNs: Long,
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val firstPauseStartTimeNs: Long,
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val firstPauseEndTimeNs: Long,
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val secondPauseRequestTimeNs: Long?,
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val secondPauseStartTimeNs: Long?,
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val secondPauseEndTimeNs: Long?,
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val postGcCleanupTimeNs: Long?,
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val rootSet: RootSetStatistics,
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val markedCount: Long,
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@@ -116,8 +126,12 @@ private class GCInfoBuilder() {
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var epoch: Long? = null
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var startTimeNs: Long? = null
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var endTimeNs: Long? = null
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var pauseStartTimeNs: Long? = null
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var pauseEndTimeNs: Long? = null
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var firstPauseRequestTimeNs: Long? = null
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var firstPauseStartTimeNs: Long? = null
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var firstPauseEndTimeNs: Long? = null
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var secondPauseRequestTimeNs: Long? = null
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var secondPauseStartTimeNs: Long? = null
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var secondPauseEndTimeNs: Long? = null
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var postGcCleanupTimeNs: Long? = null
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var rootSet: RootSetStatistics? = null
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var markedCount: Long? = null
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@@ -140,14 +154,34 @@ private class GCInfoBuilder() {
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endTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setPauseStartTime")
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private fun setPauseStartTime(value: Long) {
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pauseStartTimeNs = value
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setFirstPauseRequestTime")
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private fun setFirstPauseRequestTime(value: Long) {
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firstPauseRequestTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setPauseEndTime")
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private fun setPauseEndTime(value: Long) {
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pauseEndTimeNs = value
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setFirstPauseStartTime")
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private fun setFirstPauseStartTime(value: Long) {
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firstPauseStartTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setFirstPauseEndTime")
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private fun setFirstPauseEndTime(value: Long) {
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firstPauseEndTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setSecondPauseRequestTime")
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private fun setSecondPauseRequestTime(value: Long) {
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secondPauseRequestTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setSecondPauseStartTime")
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private fun setSecondPauseStartTime(value: Long) {
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secondPauseStartTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setSecondPauseEndTime")
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private fun setSecondPauseEndTime(value: Long) {
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secondPauseEndTimeNs = value
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}
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@ExportForCppRuntime("Kotlin_Internal_GC_GCInfoBuilder_setPostGcCleanupTime")
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@@ -191,8 +225,12 @@ private class GCInfoBuilder() {
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epoch ?: return null,
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startTimeNs ?: return null,
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endTimeNs ?: return null,
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pauseStartTimeNs ?: return null,
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pauseEndTimeNs ?: return null,
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firstPauseRequestTimeNs ?: return null,
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firstPauseStartTimeNs ?: return null,
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firstPauseEndTimeNs ?: return null,
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secondPauseRequestTimeNs,
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secondPauseStartTimeNs,
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secondPauseEndTimeNs,
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postGcCleanupTimeNs,
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rootSet ?: return null,
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markedCount ?: return null,
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