public void ManyContexts()
{
using (var conn = Create())
{
var profiler = new AsyncLocalProfiler();
var prefix = Me();
conn.RegisterProfiler(profiler.GetSession);
var tasks = new Task[16];
var results = new ProfiledCommandEnumerable[tasks.Length];
for (var i = 0; i < tasks.Length; i++)
{
var ix = i;
tasks[ix] = Task.Run(async() =>
{
var db = conn.GetDatabase(ix);
var allTasks = new List <Task>();
for (var j = 0; j < 1000; j++)
{
var g = db.StringGetAsync(prefix + ix);
var s = db.StringSetAsync(prefix + ix, "world" + ix);
// overlap the g+s, just for fun
await g;
await s;
}
results[ix] = profiler.GetSession().FinishProfiling();
});
}
Task.WhenAll(tasks).Wait();
for (var i = 0; i < results.Length; i++)
{
var res = results[i];
var numGets = res.Count(r => r.Command == "GET");
var numSets = res.Count(r => r.Command == "SET");
Assert.Equal(1000, numGets);
Assert.Equal(1000, numSets);
Assert.True(res.All(cmd => cmd.Db == i));
}
}
}
public async Task ProfilingMD_Ex2_Async()
{
using (var c = Create())
{
IConnectionMultiplexer conn = c;
var profiler = new AsyncLocalProfiler();
var prefix = Me();
conn.RegisterProfiler(profiler.GetSession);
var tasks = new List <Task>();
var perThreadTimings = new ConcurrentBag <List <IProfiledCommand> >();
for (var i = 0; i < 16; i++)
{
var db = conn.GetDatabase(i);
var task = Task.Run(async() =>
{
for (var j = 0; j < 100; j++)
{
await db.StringSetAsync(prefix + j, "" + j).ForAwait();
}
perThreadTimings.Add(profiler.GetSession().FinishProfiling().ToList());
});
tasks.Add(task);
}
var timeout = Task.Delay(10000);
var complete = Task.WhenAll(tasks);
if (timeout == await Task.WhenAny(timeout, complete).ForAwait())
{
throw new TimeoutException();
}
Assert.Equal(16, perThreadTimings.Count);
foreach (var item in perThreadTimings)
{
Assert.Equal(100, item.Count);
}
}
}
public static void TestProfiling()
{
var profiler = new AsyncLocalProfiler();
_redis.RegisterProfiler(profiler.GetSession);
//var commands = profiler.GetSession().FinishProfiling();
//Console.WriteLine(string.Join(",", commands.Select(p => p.ElapsedTime)));
var toyProfiler = new ToyProfiler();
//var sharedSession = new ProfilingSession();
_redis.RegisterProfiler(() => toyProfiler.PerThreadSession);
var threads = new List <Thread>();
var perThreadTimings = new ConcurrentDictionary <Thread, List <IProfiledCommand> >();
for (int i = 0; i < 16; i++)
{
var db = _redis.GetDatabase(i);
var thread = new Thread(
delegate()
{
//set each thread to share a session
//toyProfiler.PerThreadSession = sharedSession;
var threadTasks = new List <Task>();
toyProfiler.PerThreadSession = new ProfilingSession();
for (int j = 0; j < 1000; j++)
{
var task = db.StringSetAsync("" + j, "" + j);
threadTasks.Add(task);
}
Task.WaitAll(threadTasks.ToArray());
perThreadTimings[Thread.CurrentThread] = toyProfiler.PerThreadSession.FinishProfiling().ToList();
});
threads.Add(thread);
}
threads.ForEach(thread => thread.Start());
threads.ForEach(thread => thread.Join());
//var timings = sharedSession.FinishProfiling();
Console.WriteLine(perThreadTimings.Count);
}
