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Code Issues Releases Wiki Activity

Add database statistics to GlobalStatistics

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This commit is contained in:
Dean Herbert 2019-07-02 13:40:40 +09:00
parent 115dcc3147
commit 8e54990f62
2 changed files with 37 additions and 1 deletions
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19
osu.Game/Database/DatabaseContextFactory.cs
View File

@ -5,6 +5,7 @@ using System.Linq;
using System.Threading;
using Microsoft.EntityFrameworkCore.Storage;
using osu.Framework.Platform;
using osu.Framework.Statistics;
namespace osu.Game.Database
{
@ -31,11 +32,20 @@ namespace osu.Game.Database
recycleThreadContexts();
}
private static readonly GlobalStatistic<int> reads = GlobalStatistics.Get<int>("Database", "Get (Read)");
private static readonly GlobalStatistic<int> writes = GlobalStatistics.Get<int>("Database", "Get (Write)");
private static readonly GlobalStatistic<int> commits = GlobalStatistics.Get<int>("Database", "Commits");
private static readonly GlobalStatistic<int> rollbacks = GlobalStatistics.Get<int>("Database", "Rollbacks");
/// <summary>
/// Get a context for the current thread for read-only usage.
/// If a <see cref="DatabaseWriteUsage"/> is in progress, the existing write-safe context will be returned.
/// </summary>
public OsuDbContext Get() => threadContexts.Value;
public OsuDbContext Get()
{
reads.Value++;
return threadContexts.Value;
}
/// <summary>
/// Request a context for write usage. Can be consumed in a nested fashion (and will return the same underlying context).
@ -45,6 +55,7 @@ namespace osu.Game.Database
/// <returns>A usage containing a usable context.</returns>
public DatabaseWriteUsage GetForWrite(bool withTransaction = true)
{
writes.Value++;
Monitor.Enter(writeLock);
OsuDbContext context;
@ -90,9 +101,15 @@ namespace osu.Game.Database
if (usages == 0)
{
if (currentWriteDidError)
{
rollbacks.Value++;
currentWriteTransaction?.Rollback();
}
else
{
commits.Value++;
currentWriteTransaction?.Commit();
}
if (currentWriteDidWrite || currentWriteDidError)
{

19
osu.Game/Database/OsuDbContext.cs
View File

@ -6,6 +6,7 @@ using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.Extensions.Logging;
using osu.Framework.Logging;
using osu.Framework.Statistics;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.IO;
@ -34,6 +35,8 @@ namespace osu.Game.Database
private static readonly Lazy<OsuDbLoggerFactory> logger = new Lazy<OsuDbLoggerFactory>(() => new OsuDbLoggerFactory());
private static readonly GlobalStatistic<int> contexts = GlobalStatistics.Get<int>("Database", "Contexts");
static OsuDbContext()
{
// required to initialise native SQLite libraries on some platforms.
@ -76,6 +79,8 @@ namespace osu.Game.Database
connection.Close();
throw;
}
contexts.Value++;
}
~OsuDbContext()
@ -85,6 +90,20 @@ namespace osu.Game.Database
Dispose();
}
private bool isDisposed;
public override void Dispose()
{
if (isDisposed) return;
isDisposed = true;
base.Dispose();
contexts.Value--;
GC.SuppressFinalize(this);
}
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
base.OnConfiguring(optionsBuilder);