Merge pull request #41 from sj-i/add-flamegraph-visualizer

Add flamegraph visualizer
reliforp · Aug 2, 2021 · b2da654 · b2da654
2 parents 0fe2381 + 67e6a68
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diff --git a/README.md b/README.md
@@ -199,6 +199,12 @@ docker build -t php-profiler .
 docker run -it --security-opt="apparmor=unconfined" --cap-add=SYS_PTRACE --pid=host php-profiler:latest vendor/bin/php-profiler inspector:trace -p <pid of the target process or thread>
 ```
 
+### Generate flamegraphs from traces
+```bash
+sudo php ./php-profiler inspector:trace -p <pid of the target process or thread> >traces
+./tools/stackcollapse-phpspy/stackcollapse-phpspy.pl <traces | ./tools/flamegraph/flamegraph.pl >flame.svg
+```
+
 # LICENSE
 - MIT (mostly)
 - Some C headers defining internal structures are extracted from php-src. They are licensed under the zend engine license. See src/Lib/PhpInternals/Headers . So here are the words required by the zend engine license.

diff --git a/tools/flamegraph/README.md b/tools/flamegraph/README.md
@@ -0,0 +1,3 @@
+flamegraph.pl here is copied from https://github.com/brendangregg/FlameGraph and licenced under the CDDL 1.0.
+
+See docs/cddl1.txt and the header of the script for more detail.
diff --git a/tools/flamegraph/docs/cddl1.txt b/tools/flamegraph/docs/cddl1.txt