cgroups: move cgroup_event_listener.c to tools/cgroup

Move the cgroup_event_listener.c tool from Documentation into the new
tools/cgroup directory.

This change involves wiring cgroup_event_listener.c into the tools/
make system so that is can be built with:
  $ make tools/cgroup

Signed-off-by: Greg Thelen <gthelen@google.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/Documentation/cgroups/00-INDEX b/Documentation/cgroups/00-INDEX
index f78b90a..f5635a0 100644 (file)
--- a/Documentation/cgroups/00-INDEX
+++ b/Documentation/cgroups/00-INDEX
@@ -4,8 +4,6 @@ blkio-controller.txt
        - Description for Block IO Controller, implementation and usage details.
 cgroups.txt
        - Control Groups definition, implementation details, examples and API.
-cgroup_event_listener.c
-       - A user program for cgroup listener.
 cpuacct.txt
        - CPU Accounting Controller; account CPU usage for groups of tasks.
 cpusets.txt

diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroups/memcg_test.txt
index fc8fa97..ce94a83 100644 (file)
--- a/Documentation/cgroups/memcg_test.txt
+++ b/Documentation/cgroups/memcg_test.txt
@@ -399,8 +399,7 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
 
  9.10 Memory thresholds
        Memory controller implements memory thresholds using cgroups notification
-       API. You can use Documentation/cgroups/cgroup_event_listener.c to test
-       it.
+       API. You can use tools/cgroup/cgroup_event_listener.c to test it.
 
        (Shell-A) Create cgroup and run event listener
        # mkdir /cgroup/A

diff --git a/tools/Makefile b/tools/Makefile
index 1f9a529..fc57a28 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -3,6 +3,7 @@ include scripts/Makefile.include
 help:
        @echo 'Possible targets:'
        @echo ''
+       @echo '  cgroup     - cgroup tools'
        @echo '  cpupower   - a tool for all things x86 CPU power'
        @echo '  firewire   - the userspace part of nosy, an IEEE-1394 traffic sniffer'
        @echo '  lguest     - a minimal 32-bit x86 hypervisor'
@@ -33,7 +34,7 @@ help:
 cpupower: FORCE
        $(call descend,power/$@)
 
-firewire lguest perf usb virtio vm: FORCE
+cgroup firewire lguest perf usb virtio vm: FORCE
        $(call descend,$@)
 
 selftests: FORCE
@@ -45,7 +46,7 @@ turbostat x86_energy_perf_policy: FORCE
 cpupower_install:
        $(call descend,power/$(@:_install=),install)
 
-firewire_install lguest_install perf_install usb_install virtio_install vm_install:
+cgroup_install firewire_install lguest_install perf_install usb_install virtio_install vm_install:
        $(call descend,$(@:_install=),install)
 
 selftests_install:
@@ -54,14 +55,14 @@ selftests_install:
 turbostat_install x86_energy_perf_policy_install:
        $(call descend,power/x86/$(@:_install=),install)
 
-install: cpupower_install firewire_install lguest_install perf_install \
-               selftests_install turbostat_install usb_install virtio_install \
-               vm_install x86_energy_perf_policy_install
+install: cgroup_install cpupower_install firewire_install lguest_install \
+               perf_install selftests_install turbostat_install usb_install \
+               virtio_install vm_install x86_energy_perf_policy_install
 
 cpupower_clean:
        $(call descend,power/cpupower,clean)
 
-firewire_clean lguest_clean perf_clean usb_clean virtio_clean vm_clean:
+cgroup_clean firewire_clean lguest_clean perf_clean usb_clean virtio_clean vm_clean:
        $(call descend,$(@:_clean=),clean)
 
 selftests_clean:
@@ -70,8 +71,8 @@ selftests_clean:
 turbostat_clean x86_energy_perf_policy_clean:
        $(call descend,power/x86/$(@:_clean=),clean)
 
-clean: cpupower_clean firewire_clean lguest_clean perf_clean selftests_clean \
-               turbostat_clean usb_clean virtio_clean vm_clean \
-               x86_energy_perf_policy_clean
+clean: cgroup_clean cpupower_clean firewire_clean lguest_clean perf_clean \
+               selftests_clean turbostat_clean usb_clean virtio_clean \
+               vm_clean x86_energy_perf_policy_clean
 
 .PHONY: FORCE

diff --git a/tools/cgroup/.gitignore b/tools/cgroup/.gitignore
new file mode 100644 (file)
index 0000000..633cd9b
--- /dev/null
+++ b/tools/cgroup/.gitignore
@@ -0,0 +1 @@
+cgroup_event_listener

diff --git a/tools/cgroup/Makefile b/tools/cgroup/Makefile
new file mode 100644 (file)
index 0000000..b428619
--- /dev/null
+++ b/tools/cgroup/Makefile
@@ -0,0 +1,11 @@
+# Makefile for cgroup tools
+
+CC = $(CROSS_COMPILE)gcc
+CFLAGS = -Wall -Wextra
+
+all: cgroup_event_listener
+%: %.c
+       $(CC) $(CFLAGS) -o $@ $^
+
+clean:
+       $(RM) cgroup_event_listener

diff --git a/Documentation/cgroups/cgroup_event_listener.c b/tools/cgroup/cgroup_event_listener.c
similarity index 100%
rename from Documentation/cgroups/cgroup_event_listener.c
rename to tools/cgroup/cgroup_event_listener.c