[Unstable][PATCH] UBUNTU: [Debian] install kvm_stat systemd service

[Krzysztof Kozlowski]

Install the kvm_stat systemd service in linux-host-tools package,
disabled by default.  The service logs KVM kernel module trace events to
/var/log/kvm_stat.csv.

This tool is useful for observing guest behavior from the host
perspective.  Often conclusions about performance or buggy behavior can
be drawn from the output.

BugLink: https://bugs.launchpad.net/bugs/1921870
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>
---
 debian/rules.d/3-binary-indep.mk | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/debian/rules.d/3-binary-indep.mk b/debian/rules.d/3-binary-indep.mk
index 511a5eb39211..6a44129678b2 100644
--- a/debian/rules.d/3-binary-indep.mk
+++ b/debian/rules.d/3-binary-indep.mk
@@ -88,6 +88,7 @@ install-tools: toolsbashcomp = $(CURDIR)/debian/$(toolspkg)/usr/share/bash-compl
 install-tools: hosttoolspkg = $(hosttools_pkg_name)
 install-tools: hosttoolsbin = $(CURDIR)/debian/$(hosttoolspkg)/usr/bin
 install-tools: hosttoolsman = $(CURDIR)/debian/$(hosttoolspkg)/usr/share/man
+install-tools: hosttoolssystemd = $(CURDIR)/debian/$(hosttoolspkg)/lib/systemd/system
 install-tools: cloudpkg = $(cloud_common_pkg_name)
 install-tools: cloudbin = $(CURDIR)/debian/$(cloudpkg)/usr/bin
 install-tools: cloudsbin = $(CURDIR)/debian/$(cloudpkg)/usr/sbin
@@ -159,8 +160,11 @@ endif
 ifeq ($(do_tools_host),true)
 	install -d $(hosttoolsbin)
 	install -d $(hosttoolsman)/man1
+	install -d $(hosttoolssystemd)
 
 	install -m 755 $(CURDIR)/tools/kvm/kvm_stat/kvm_stat $(hosttoolsbin)/
+	install -m 644 $(CURDIR)/tools/kvm/kvm_stat/kvm_stat.service \
+		$(hosttoolssystemd)/
 
 	cd $(builddir)/tools/tools/kvm/kvm_stat && make man
 	install -m644 $(builddir)/tools/tools/kvm/kvm_stat/*.1 \
@@ -188,6 +192,7 @@ binary-headers: prepare-indep install-headers
 	dh_builddeb -p$(indep_hdrpkg)
 
 binary-indep: cloudpkg = $(cloud_common_pkg_name)
+binary-indep: hosttoolspkg = $(hosttools_pkg_name)
 binary-indep: install-indep
 	@echo Debug: $@
 	dh_installchangelogs -i
@@ -213,6 +218,11 @@ endif
 	# and dh_systemd_start are called:
 	dh_installinit -p$(cloudpkg) --no-start --no-enable --name intel-sgx-load-module
 endif
+endif
+ifeq ($(do_tools_host),true)
+	# Keep kvm_stat.service disabled by default (after dh_systemd_enable
+	# and dh_systemd_start:
+	dh_installinit -p$(hosttoolspkg) --no-enable --no-start --name kvm_stat
 endif
 	dh_installdeb -i
 	$(lockme) dh_gencontrol -i
-- 
2.27.0