From 6414b7c981378a6eef480f6806d7cbfc98ca22a1 Mon Sep 17 00:00:00 2001 From: David Strauss Date: Mon, 11 Nov 2013 19:03:31 +1000 Subject: cgroups: Cache controller masks and optimize queues. --- src/test/test-cgroup-mask.c | 83 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/test/test-cgroup-mask.c (limited to 'src/test') diff --git a/src/test/test-cgroup-mask.c b/src/test/test-cgroup-mask.c new file mode 100644 index 0000000000..ecf041f864 --- /dev/null +++ b/src/test/test-cgroup-mask.c @@ -0,0 +1,83 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2013 David Strauss + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include +#include +#include +#include + +#include "manager.h" +#include "unit.h" +#include "util.h" +#include "macro.h" +#include "test-helper.h" + +static int test_cgroup_mask(void) { + Manager *m; + Unit *son, *daughter, *parent, *root; + FILE *serial = NULL; + FDSet *fdset = NULL; + int r; + + /* Prepare the manager. */ + assert_se(set_unit_path(TEST_DIR) >= 0); + r = manager_new(SYSTEMD_USER, false, &m); + if (r == -EPERM || r == -EACCES) { + puts("manager_new: Permission denied. Skipping test."); + return EXIT_TEST_SKIP; + } + assert(r >= 0); + assert_se(manager_startup(m, serial, fdset) >= 0); + + /* Load units and verify hierarchy. */ + assert_se(manager_load_unit(m, "parent.slice", NULL, NULL, &parent) >= 0); + assert_se(manager_load_unit(m, "son.service", NULL, NULL, &son) >= 0); + assert_se(manager_load_unit(m, "daughter.service", NULL, NULL, &daughter) >= 0); + assert(parent->load_state == UNIT_LOADED); + assert(son->load_state == UNIT_LOADED); + assert(daughter->load_state == UNIT_LOADED); + assert(UNIT_DEREF(son->slice) == parent); + assert(UNIT_DEREF(daughter->slice) == parent); + root = UNIT_DEREF(parent->slice); + + /* Verify per-unit cgroups settings. */ + assert(cgroup_context_get_mask(unit_get_cgroup_context(son)) == (CGROUP_CPU | CGROUP_CPUACCT)); + assert(cgroup_context_get_mask(unit_get_cgroup_context(daughter)) == 0); + assert(cgroup_context_get_mask(unit_get_cgroup_context(parent)) == CGROUP_BLKIO); + assert(cgroup_context_get_mask(unit_get_cgroup_context(root)) == 0); + + /* Verify aggregation of controller masks. */ + assert(son->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT)); + assert(daughter->cgroup_members_mask == 0); + assert(parent->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO)); + assert(root->cgroup_members_mask == (CGROUP_CPU | CGROUP_CPUACCT | CGROUP_BLKIO)); + + manager_free(m); + + return 0; +} + +int main(int argc, char* argv[]) { + int rc = 0; + TEST_REQ_RUNNING_SYSTEMD(rc = test_cgroup_mask()); + return rc; +} -- cgit v1.2.3-54-g00ecf