diff --git a/infra/bots/assets/text_blob_traces/README.md b/infra/bots/assets/text_blob_traces/README.md
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+Text Blob Traces
+================
+
+Create
+------
+
+Download and build Chromium as usual, but add the line
+
+    #define SK_CAPTURE_DRAW_TEXT_BLOB
+
+to the top of `third_party/skia/src/core/SkRemoteGlyphCache.h`.
+Run `chrome --no-sandbox URL` Trace files will be written to the current
+working directory.  Use `blob_cache_sim` to check the contents of the trace.
+
+Upload
+------
+
+To upload a new version of the assets, first place the new version in the
+directory `text_blob_traces`, then execute:
+
+    infra/bots/assets/assets.py upload -t text_blob_traces text_blob_traces
+
+Then commit the file `infra/bots/assets/text_blob_traces/VERSION`
+
+Download
+--------
+
+Execute:
+
+    infra/bots/assets/assets.py download -t text_blob_traces text_blob_traces
+
+Run Bench and Simulator
+-----------------------
+
+    tools/git-sync-deps
+    bin/gn gen out/release --args='is_debug=false'
+    ninja -C out/release nanobench blob_cache_sim
+
+    out/release/nanobench -m SkDiffBench --texttraces text_blob_traces -q
+
+    out/release/blob_cache_sim text_blob_traces/*
diff --git a/infra/bots/assets/text_blob_traces/VERSION b/infra/bots/assets/text_blob_traces/VERSION
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+0
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