Merge pull request #1271 from serilog/dev

2.8.0 Release
serilog · Jan 16, 2019 · 870feca · 870feca
2 parents 12ca059 + f197269
commit 870feca
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diff --git a/CHANGES.md b/CHANGES.md
@@ -1,3 +1,33 @@
+2.7.1
+ * #1075 - overload of `LoggerSinkConfiguration.Wrap()` accepting `LoggingLevelSwitch`
+ * #1083 - update package metadata, including `https://` project and icon URLs
+ * #1091 - make `{Properties:j}` work consistently with the console sink
+ * #1110 - expose an efficient `Logger.None`
+ * #1113 - (tooling) improve tests for `LogContext`
+ * #1136 - (tooling) fix `build.sh` exit code
+ * #1141 - fix logging of `byte[]` smaller than 1 KB
+ * #1157 - (tooling) update _.gitignore_
+ * #1158 - (tooling) re-enable macOS builds
+ * #1163 - SourceLink v2 support
+ * #1165 - fix a number of issues with `LoggerSinkConfiguration.Wrap()` affecting `WriteTo.Async()`
+ * #1134 - (tooling) add README badges for downloads/stats
+ * #1166 - allow `LoggerConfiguration` to be garbage collected after logger is created
+ * #1160 - (tooling) update NuGet.org API key
+ * (tooling) Update to use the latest .NET SDK
+
+2.6.0
+ * #992 - fix `LogContext` remoting issue on .NET Framework 4.5
+ * #1007 - `LogContext.Suspend()` and `LogContext.Reset()` to pass or drop context from child tasks
+ * #1018 - include source in NUPKGs
+ * #1020 - support for `LoggingLevelSwitch` in key-value/`<appSettings>` settings
+ * #1033 - warn when `MinimumLevel.Override()` is used in a sub-logger
+ * #1034 - more efficient levelled `ILogger.ForContext()`/`Log.ForContext()`
+ * #1051 - handle duplicate keys in key-value/`<appSettings>` settings (last-in wins)
+ * #1064 - support static member references as key-value/`<appSettings>` values
+ * #1059 - support for abstract class parameters in settings
+ * #1068 - handle parsing of token width more robustly
+ * Plus build/documentation items #988, #994, #996, #1019, #842, #1042, #1050, #1055, #1063.
+
 2.5.0
  * #939, #946, #972 - RTM .NET Standard/Core tooling
  * #955 - `LoggerSinkConfiguration.Wrap()`

diff --git a/build.sh b/build.sh
@@ -14,6 +14,5 @@ for path in test/*.Tests/*.csproj; do
 done
 
 for path in test/*.PerformanceTests/*.PerformanceTests.csproj; do
-    dotnet build -f netcoreapp1.1 -c Release ${path}
-    # dotnet test -f netcoreapp1.1 -c Release ${path}
+    dotnet build -f netcoreapp2.0  -c Release ${path}
 done
diff --git a/results/netcoreapp2.0/AllocationsBenchmark-report-github.md b/results/netcoreapp2.0/AllocationsBenchmark-report-github.md
@@ -0,0 +1,19 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |               Method |          Mean |       Error |        StdDev |        Median |   Scaled | ScaledSD |  Gen 0 | Allocated |
+ |--------------------- |--------------:|------------:|--------------:|--------------:|---------:|---------:|-------:|----------:|
+ |             LogEmpty |      8.295 ns |   0.1916 ns |     0.1882 ns |      8.251 ns |     1.00 |     0.00 |      - |       0 B |
+ | LogEmptyWithEnricher |    129.205 ns |   4.7752 ns |    13.5464 ns |    126.329 ns |    15.58 |     1.66 | 0.0265 |      56 B |
+ |            LogScalar |    998.006 ns |  19.7947 ns |    48.5568 ns |    993.968 ns |   120.37 |     6.37 | 0.2060 |     432 B |
+ |        LogDictionary |  6,418.543 ns | 142.5459 ns |   418.0626 ns |  6,304.087 ns |   774.13 |    52.90 | 1.0910 |    2296 B |
+ |          LogSequence |  2,664.592 ns |  52.9768 ns |   145.9136 ns |  2,655.944 ns |   321.37 |    18.83 | 0.4158 |     880 B |
+ |         LogAnonymous | 12,776.209 ns | 378.7175 ns | 1,110.7127 ns | 12,563.375 ns | 1,540.91 |   137.42 | 1.6785 |    3528 B |
diff --git a/results/netcoreapp2.0/LevelControlBenchmark-report-github.md b/results/netcoreapp2.0/LevelControlBenchmark-report-github.md
@@ -0,0 +1,17 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |         Method |      Mean |     Error |    StdDev | Scaled | ScaledSD |
+ |--------------- |----------:|----------:|----------:|-------:|---------:|
+ |            Off |  2.931 ns | 0.0893 ns | 0.0877 ns |   1.00 |     0.00 |
+ | LevelSwitchOff |  3.636 ns | 0.1048 ns | 0.1029 ns |   1.24 |     0.05 |
+ | MinimumLevelOn | 10.497 ns | 0.2462 ns | 0.3370 ns |   3.58 |     0.15 |
+ |  LevelSwitchOn | 10.981 ns | 0.3005 ns | 0.3340 ns |   3.75 |     0.15 |
diff --git a/results/netcoreapp2.0/LogContextEnrichmentBenchmark-report-github.md b/results/netcoreapp2.0/LogContextEnrichmentBenchmark-report-github.md
@@ -0,0 +1,17 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |               Method |      Mean |     Error |     StdDev | Scaled | ScaledSD |
+ |--------------------- |----------:|----------:|-----------:|-------:|---------:|
+ |                 Bare |  12.05 ns | 0.3210 ns |  0.5789 ns |   1.00 |     0.00 |
+ |         PushProperty | 149.67 ns | 2.9527 ns |  3.2820 ns |  12.45 |     0.62 |
+ |   PushPropertyNested | 296.44 ns | 6.7011 ns | 11.0101 ns |  24.65 |     1.43 |
+ | PushPropertyEnriched | 304.18 ns | 5.7287 ns |  8.3971 ns |  25.29 |     1.33 |
diff --git a/results/netcoreapp2.0/MessageTemplateCacheBenchmark_Cached-report-github.md b/results/netcoreapp2.0/MessageTemplateCacheBenchmark_Cached-report-github.md
@@ -0,0 +1,43 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |     Method | Items | MaxDegreeOfParallelism |        Mean |      Error |      StdDev |      Median | Scaled | ScaledSD |
+ |----------- |------ |----------------------- |------------:|-----------:|------------:|------------:|-------:|---------:|
+ | **Dictionary** |    **10** |                     **-1** |   **484.65 us** | **29.5203 us** |  **86.1121 us** |   **475.13 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    10 |                     -1 |    74.78 us |  1.5697 us |   2.8304 us |    73.99 us |   0.16 |     0.03 |
+ | Concurrent |    10 |                     -1 |    69.52 us |  0.6831 us |   0.5704 us |    69.62 us |   0.15 |     0.03 |
+ | **Dictionary** |    **10** |                      **1** |   **116.22 us** |  **2.2490 us** |   **2.4998 us** |   **115.86 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    10 |                      1 |   140.77 us |  2.8065 us |   4.1137 us |   140.40 us |   1.21 |     0.04 |
+ | Concurrent |    10 |                      1 |   132.99 us |  2.2509 us |   1.9954 us |   132.61 us |   1.14 |     0.03 |
+ | **Dictionary** |    **20** |                     **-1** |   **593.71 us** | **30.5094 us** |  **89.9578 us** |   **602.83 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    20 |                     -1 |   136.36 us |  3.6865 us |  10.5773 us |   133.11 us |   0.24 |     0.04 |
+ | Concurrent |    20 |                     -1 |   127.68 us |  2.7541 us |   5.1729 us |   125.60 us |   0.22 |     0.03 |
+ | **Dictionary** |    **20** |                      **1** |   **247.53 us** |  **4.9128 us** |   **8.8589 us** |   **247.69 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    20 |                      1 |   269.34 us |  5.0332 us |   4.7081 us |   270.26 us |   1.09 |     0.04 |
+ | Concurrent |    20 |                      1 |   265.41 us |  5.0592 us |   4.2247 us |   264.26 us |   1.07 |     0.04 |
+ | **Dictionary** |    **50** |                     **-1** | **1,344.03 us** | **75.5937 us** | **219.3111 us** | **1,299.64 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    50 |                     -1 |   319.29 us |  6.2183 us |  10.7263 us |   316.55 us |   0.24 |     0.04 |
+ | Concurrent |    50 |                     -1 |   311.74 us |  6.3992 us |  16.7456 us |   305.20 us |   0.24 |     0.04 |
+ | **Dictionary** |    **50** |                      **1** |   **580.35 us** | **10.5809 us** |   **9.3797 us** |   **580.59 us** |   **1.00** |     **0.00** |
+ |  Hashtable |    50 |                      1 |   685.28 us | 16.2339 us |  23.2821 us |   682.71 us |   1.18 |     0.04 |
+ | Concurrent |    50 |                      1 |   663.75 us | 14.2723 us |  16.9902 us |   664.83 us |   1.14 |     0.03 |
+ | **Dictionary** |   **100** |                     **-1** | **2,766.91 us** | **70.1788 us** | **206.9237 us** | **2,776.40 us** |   **1.00** |     **0.00** |
+ |  Hashtable |   100 |                     -1 |   634.39 us | 11.9496 us |  17.8855 us |   632.35 us |   0.23 |     0.02 |
+ | Concurrent |   100 |                     -1 |   607.86 us | 12.1245 us |  14.8900 us |   605.14 us |   0.22 |     0.02 |
+ | **Dictionary** |   **100** |                      **1** | **1,145.86 us** | **21.7679 us** |  **19.2966 us** | **1,151.96 us** |   **1.00** |     **0.00** |
+ |  Hashtable |   100 |                      1 | 1,384.02 us | 26.6146 us |  27.3312 us | 1,386.84 us |   1.21 |     0.03 |
+ | Concurrent |   100 |                      1 | 1,374.88 us | 30.0217 us |  59.2599 us | 1,363.38 us |   1.20 |     0.05 |
+ | **Dictionary** |  **1000** |                     **-1** | **2,722.48 us** | **70.6602 us** | **206.1192 us** | **2,724.74 us** |   **1.00** |     **0.00** |
+ |  Hashtable |  1000 |                     -1 |   634.43 us | 12.5225 us |  19.4960 us |   642.28 us |   0.23 |     0.02 |
+ | Concurrent |  1000 |                     -1 |   611.38 us | 11.9573 us |  22.1637 us |   609.39 us |   0.23 |     0.02 |
+ | **Dictionary** |  **1000** |                      **1** | **1,202.34 us** | **27.6262 us** |  **32.8871 us** | **1,196.17 us** |   **1.00** |     **0.00** |
+ |  Hashtable |  1000 |                      1 | 1,408.56 us | 24.4617 us |  22.8815 us | 1,410.87 us |   1.17 |     0.04 |
+ | Concurrent |  1000 |                      1 | 1,342.42 us | 19.1854 us |  17.9460 us | 1,338.93 us |   1.12 |     0.03 |
diff --git a/results/netcoreapp2.0/MessageTemplateCacheBenchmark_Leaking-report-github.md b/results/netcoreapp2.0/MessageTemplateCacheBenchmark_Leaking-report-github.md
@@ -0,0 +1,37 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |     Method | Items | OverflowCount | MaxDegreeOfParallelism |       Mean |      Error |     StdDev |     Median | Scaled | ScaledSD |
+ |----------- |------ |-------------- |----------------------- |-----------:|-----------:|-----------:|-----------:|-------:|---------:|
+ | **Dictionary** | **10000** |             **1** |                     **-1** |   **3.809 ms** |  **0.1689 ms** |  **0.4900 ms** |   **3.695 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |             1 |                     -1 |   3.401 ms |  0.0587 ms |  0.0763 ms |   3.386 ms |   0.91 |     0.11 |
+ | Concurrent | 10000 |             1 |                     -1 | 141.271 ms | 14.7981 ms | 43.6325 ms | 141.945 ms |  37.67 |    12.51 |
+ | **Dictionary** | **10000** |             **1** |                      **1** |   **1.995 ms** |  **0.0396 ms** |  **0.0617 ms** |   **1.982 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |             1 |                      1 |   2.581 ms |  0.0429 ms |  0.0401 ms |   2.575 ms |   1.30 |     0.04 |
+ | Concurrent | 10000 |             1 |                      1 | 193.445 ms |  2.1087 ms |  1.9725 ms | 193.561 ms |  97.07 |     3.08 |
+ | **Dictionary** | **10000** |            **10** |                     **-1** |   **3.300 ms** |  **0.0726 ms** |  **0.2119 ms** |   **3.281 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |            10 |                     -1 |   3.252 ms |  0.0646 ms |  0.1498 ms |   3.232 ms |   0.99 |     0.08 |
+ | Concurrent | 10000 |            10 |                     -1 |  81.583 ms |  3.0187 ms |  8.9007 ms |  79.069 ms |  24.82 |     3.12 |
+ | **Dictionary** | **10000** |            **10** |                      **1** |   **1.979 ms** |  **0.0390 ms** |  **0.0449 ms** |   **1.970 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |            10 |                      1 |   2.576 ms |  0.0398 ms |  0.0352 ms |   2.563 ms |   1.30 |     0.03 |
+ | Concurrent | 10000 |            10 |                      1 | 200.065 ms |  4.9247 ms |  5.8626 ms | 200.199 ms | 101.16 |     3.64 |
+ | **Dictionary** | **10000** |           **100** |                     **-1** |   **4.076 ms** |  **0.0813 ms** |  **0.2292 ms** |   **4.066 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |           100 |                     -1 |   3.660 ms |  0.0719 ms |  0.1008 ms |   3.653 ms |   0.90 |     0.06 |
+ | Concurrent | 10000 |           100 |                     -1 | 167.547 ms | 20.0876 ms | 58.2777 ms | 175.712 ms |  41.23 |    14.48 |
+ | **Dictionary** | **10000** |           **100** |                      **1** |   **2.061 ms** |  **0.0354 ms** |  **0.0331 ms** |   **2.054 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |           100 |                      1 |   2.685 ms |  0.0331 ms |  0.0310 ms |   2.685 ms |   1.30 |     0.02 |
+ | Concurrent | 10000 |           100 |                      1 | 198.448 ms |  2.5433 ms |  2.3790 ms | 198.288 ms |  96.31 |     1.86 |
+ | **Dictionary** | **10000** |          **1000** |                     **-1** |   **3.923 ms** |  **0.1650 ms** |  **0.4788 ms** |   **3.865 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |          1000 |                     -1 |   3.870 ms |  0.0766 ms |  0.1907 ms |   3.862 ms |   1.00 |     0.13 |
+ | Concurrent | 10000 |          1000 |                     -1 | 207.440 ms | 23.7700 ms | 70.0864 ms | 182.505 ms |  53.66 |    19.30 |
+ | **Dictionary** | **10000** |          **1000** |                      **1** |   **2.150 ms** |  **0.0278 ms** |  **0.0246 ms** |   **2.154 ms** |   **1.00** |     **0.00** |
+ |  Hashtable | 10000 |          1000 |                      1 |   2.806 ms |  0.0398 ms |  0.0373 ms |   2.795 ms |   1.31 |     0.02 |
+ | Concurrent | 10000 |          1000 |                      1 | 201.843 ms |  3.2293 ms |  2.8627 ms | 201.881 ms |  93.91 |     1.66 |
diff --git a/results/netcoreapp2.0/MessageTemplateParsingBenchmark-report-github.md b/results/netcoreapp2.0/MessageTemplateParsingBenchmark-report-github.md
@@ -0,0 +1,15 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |                       Method |       Mean |     Error |    StdDev | Scaled | ScaledSD |  Gen 0 | Allocated |
+ |----------------------------- |-----------:|----------:|----------:|-------:|---------:|-------:|----------:|
+ |                EmptyTemplate |   371.0 ns |  7.570 ns |  14.03 ns |   1.00 |     0.00 | 0.1259 |     264 B |
+ | DefaultConsoleOutputTemplate | 2,912.1 ns | 66.661 ns | 190.19 ns |   7.86 |     0.58 | 1.0948 |    2296 B |
diff --git a/results/netcoreapp2.0/MessageTemplateRenderingBenchmark-report-github.md b/results/netcoreapp2.0/MessageTemplateRenderingBenchmark-report-github.md
@@ -0,0 +1,15 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |                       Method |       Mean |     Error |     StdDev |  Gen 0 | Allocated |
+ |----------------------------- |-----------:|----------:|-----------:|-------:|----------:|
+ |     TemplateWithNoProperties |   5.067 ns | 0.1194 ns |  0.1058 ns |      - |       0 B |
+ | TemplateWithVariedProperties | 423.457 ns | 8.8139 ns | 12.3559 ns | 0.0453 |      96 B |
diff --git a/results/netcoreapp2.0/NestedLoggerCreationBenchmark-report-github.md b/results/netcoreapp2.0/NestedLoggerCreationBenchmark-report-github.md
@@ -0,0 +1,15 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |           Method |     Mean |    Error |   StdDev |
+ |----------------- |---------:|---------:|---------:|
+ | ForContextString | 104.5 ns | 2.126 ns | 4.884 ns |
+ |   ForContextType | 173.8 ns | 3.425 ns | 5.021 ns |
diff --git a/results/netcoreapp2.0/NestedLoggerLatencyBenchmark-report-github.md b/results/netcoreapp2.0/NestedLoggerLatencyBenchmark-report-github.md
@@ -0,0 +1,15 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |       Method |     Mean |     Error |    StdDev | Scaled | ScaledSD |
+ |------------- |---------:|----------:|----------:|-------:|---------:|
+ |   RootLogger | 11.78 ns | 0.1157 ns | 0.1082 ns |   1.00 |     0.00 |
+ | NestedLogger | 41.70 ns | 0.1993 ns | 0.1556 ns |   3.54 |     0.03 |
diff --git a/results/netcoreapp2.0/OutputTemplateRenderingBenchmark-report-github.md b/results/netcoreapp2.0/OutputTemplateRenderingBenchmark-report-github.md
@@ -0,0 +1,14 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |         Method |     Mean |     Error |    StdDev |  Gen 0 | Allocated |
+ |--------------- |---------:|----------:|----------:|-------:|----------:|
+ | FormatToOutput | 1.386 us | 0.0237 us | 0.0222 us | 0.2327 |     488 B |
diff --git a/results/netcoreapp2.0/PipelineBenchmark-report-github.md b/results/netcoreapp2.0/PipelineBenchmark-report-github.md
@@ -0,0 +1,14 @@
+``` ini
+
+BenchmarkDotNet=v0.10.6, OS=Mac OS X 10.12
+Processor=Intel Core i7-7567U CPU 3.50GHz (Kaby Lake), ProcessorCount=4
+Frequency=1000000000 Hz, Resolution=1.0000 ns, Timer=UNKNOWN
+dotnet cli version=2.1.4
+  [Host]     : .NET Core 4.6.0.0, 64bit RyuJIT
+  DefaultJob : .NET Core 4.6.0.0, 64bit RyuJIT
+
+
+```
+ |       Method |     Mean |    Error |   StdDev |  Gen 0 | Allocated |
+ |------------- |---------:|---------:|---------:|-------:|----------:|
+ | EmitLogEvent | 837.9 ns | 16.17 ns | 15.88 ns | 0.2060 |     432 B |
diff --git a/run_perf_tests.sh b/run_perf_tests.sh
@@ -2,5 +2,5 @@
 dotnet restore
 
 for path in test/*.PerformanceTests/*.csproj; do
-    dotnet test -f netcoreapp1.1 -c Release ${path}
+    dotnet test -f netcoreapp2.0 -c Release ${path}
 done
diff --git a/src/Serilog/Capturing/GetablePropertyFinder.cs b/src/Serilog/Capturing/GetablePropertyFinder.cs
@@ -39,8 +39,14 @@ internal static IEnumerable<PropertyInfo> GetPropertiesRecursive(this Type type)
                     yield return propertyInfo;
                 }
 
-                currentTypeInfo = currentTypeInfo.BaseType.GetTypeInfo();
+                var baseType = currentTypeInfo.BaseType;
+                if(baseType == null)
+                {
+                    yield break;
+                }
+
+                currentTypeInfo = baseType.GetTypeInfo();
             }
         }
     }
-}
+}
diff --git a/src/Serilog/Core/Logger.cs b/src/Serilog/Core/Logger.cs
@@ -1377,6 +1377,6 @@ public void Dispose()
         /// <summary>
         /// An <see cref="ILogger"/> instance that efficiently ignores all method calls.
         /// </summary>
-        public static ILogger None { get; } = new SilentLogger();
+        public static ILogger None { get; } = SilentLogger.Instance;
     }
 }
diff --git a/src/Serilog/Core/Pipeline/SilentLogger.cs b/src/Serilog/Core/Pipeline/SilentLogger.cs
@@ -20,6 +20,12 @@ namespace Serilog.Core.Pipeline
 {
     class SilentLogger : ILogger
     {
+        public static readonly ILogger Instance = new SilentLogger();
+
+        private SilentLogger()
+        {
+        }
+
         public ILogger ForContext(ILogEventEnricher enricher)
         {
             return this;

diff --git a/src/Serilog/Formatting/Display/MessageTemplateTextFormatter.cs b/src/Serilog/Formatting/Display/MessageTemplateTextFormatter.cs
@@ -116,7 +116,7 @@ public void Format(LogEvent logEvent, TextWriter output)
                         }
                         else
                         {
-                            propertyValue.Render(output, pt.Format, _formatProvider);
+                            propertyValue.Render(writer, pt.Format, _formatProvider);
                         }
                     }
 

diff --git a/src/Serilog/Log.cs b/src/Serilog/Log.cs
@@ -40,7 +40,7 @@ namespace Serilog
     /// </remarks>
     public static class Log
     {
-        static ILogger _logger = new SilentLogger();
+        static ILogger _logger = SilentLogger.Instance;
 
         /// <summary>
         /// The globally-shared logger.
@@ -61,7 +61,7 @@ public static ILogger Logger
         /// </summary>
         public static void CloseAndFlush()
         {
-            ILogger logger = Interlocked.Exchange(ref _logger, new SilentLogger());
+            ILogger logger = Interlocked.Exchange(ref _logger, SilentLogger.Instance);
 
             (logger as IDisposable)?.Dispose();
         }