Installing a Rust port of FlameGraph as part of image

Author: marc-casavant

scripts/docker/build/ubuntu24/Dockerfile.prof

@@ -53,5 +53,16 @@ RUN git clone --depth 1 https://github.com/brendangregg/FlameGraph /opt/flamegra
 
 ENV PATH="/opt/flamegraph:${PATH}"
 
+#
+#  Install Inferno for callgrind → folded conversion
+#  (Rust port of FlameGraph with broader format support)
+#
+RUN apt-get update && \
+    apt-get install -y $APT_OPTS --no-install-recommends \
+        cargo && \
+    cargo install inferno --version 0.11.21 --locked --root /usr/local && \
+    apt-get clean && \
+    rm -r /var/lib/apt/lists/*
+
 EXPOSE 1812/udp 1813/udp
 CMD ["/bin/sh", "-c", "while true; do sleep 60; done"]

scripts/docker/m4/profiling.deb.m4

@@ -48,5 +48,16 @@ RUN git clone --depth 1 https://github.com/brendangregg/FlameGraph /opt/flamegra
 
 ENV PATH="/opt/flamegraph:${PATH}"
 
+#
+#  Install Inferno for callgrind → folded conversion
+#  Inferno is a Rust port of FlameGraph with broader format support
+#
+RUN apt-get update && \
+    apt-get install -y $APT_OPTS --no-install-recommends \
+        cargo && \
+    cargo install inferno --version 0.11.21 --locked --root /usr/local && \
+    apt-get clean && \
+    rm -r /var/lib/apt/lists/*
+
 EXPOSE 1812/udp 1813/udp
 CMD ["/bin/sh", "-c", "while true; do sleep 60; done"]