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[release/7.0] [mono][sgen] Update memory load information after world is resumed #76534

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Merged
carlossanlop merged 1 commit into from
Oct 4, 2022
Merged

[release/7.0] [mono][sgen] Update memory load information after world is resumed #76534

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12 changes: 10 additions & 2 deletions src/mono/mono/sgen/sgen-memory-governor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -144,8 +144,6 @@ update_gc_info (mword used_slots_size)

sgen_gc_info.heap_size_bytes = major_size + sgen_los_memory_usage_total;
sgen_gc_info.fragmented_bytes = sgen_gc_info.heap_size_bytes - sgen_los_memory_usage - major_size_in_use;
guint64 physical_ram_size = mono_determine_physical_ram_size ();
sgen_gc_info.memory_load_bytes = physical_ram_size ? sgen_gc_info.total_available_memory_bytes - (guint64)(((double)sgen_gc_info.total_available_memory_bytes*mono_determine_physical_ram_available_size ())/physical_ram_size) : 0;
sgen_gc_info.total_committed_bytes = major_size_in_use + sgen_los_memory_usage;
sgen_gc_info.total_promoted_bytes = sgen_total_promoted_size - total_promoted_size_start;
sgen_gc_info.total_major_size_bytes = major_size;
Expand All @@ -154,6 +152,14 @@ update_gc_info (mword used_slots_size)
sgen_gc_info.total_los_size_in_use_bytes = sgen_los_memory_usage;
}

static void
update_gc_info_memory_load (void)
{
// We update this separately because it is not safe to do it during GC stw
guint64 physical_ram_size = mono_determine_physical_ram_size ();
sgen_gc_info.memory_load_bytes = physical_ram_size ? sgen_gc_info.total_available_memory_bytes - (guint64)(((double)sgen_gc_info.total_available_memory_bytes*mono_determine_physical_ram_available_size ())/physical_ram_size) : 0;
}

gboolean
sgen_need_major_collection (mword space_needed, gboolean *forced)
{
Expand Down Expand Up @@ -387,6 +393,8 @@ sgen_memgov_collection_end (int generation, gint64 stw_time)
sgen_pointer_queue_clear (&log_entries);
mono_os_mutex_unlock (&log_entries_mutex);
}

update_gc_info_memory_load ();
}

/*
Expand Down