update kernel perf

Signed-off-by: Avi Deitcher <avi@deitcher.net>

kernel/Dockerfile.perf

@@ -15,6 +15,7 @@ RUN apk add \
     build-base \
     diffutils \
     flex \
+    git \
     gmp-dev \
     installkernel \
     kmod \
@@ -30,12 +31,24 @@ RUN apk add \
     xz \
     xz-dev \
     zlib-dev \
-    zlib-static
+    zlib-static \
+    zstd \
+    zstd-static
 
 COPY --from=ksrc /linux.tar.xz /kernel-headers.tar /
 RUN tar xf linux.tar.xz && \
     tar xf kernel-headers.tar
 
+# download and build libtraceevent.a
+
+WORKDIR /build
+ENV LIBTRACE_COMMIT=libtraceevent-1.8.2
+RUN git clone https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git && \
+    cd libtraceevent && \
+    git checkout $LIBTRACE_COMMIT
+
+RUN make -C libtraceevent all install V=1
+
 WORKDIR /linux
 
 RUN mkdir -p /out && \