From e672700698bf8078ed8cc277855760d6d030dae5 Mon Sep 17 00:00:00 2001 From: Dhaval Giani Date: Wed, 22 Apr 2009 15:30:20 +0530 Subject: libcgroup: Add test cases for new get_task API This is the test case for the new API. This test takes one argument, the group name. Sample run on my system with this test case returns, [dhaval@gondor tests]$ ../libtool --mode=execute ./walk_task a Printing the details of groups a Pid is 6092 Pid is 11315 Pid is 11318 Pid is 11319 Pid is 11324 Pid is 13234 [dhaval@gondor tests]$ Signed-off-by: Dhaval Giani Acked-by: Balbir Singh Acked-by: Bharata B Rao --- tests/Makefile.am | 3 ++- tests/walk_task.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 52 insertions(+), 1 deletion(-) create mode 100644 tests/walk_task.c diff --git a/tests/Makefile.am b/tests/Makefile.am index 5999389..41aebd3 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -2,7 +2,7 @@ INCLUDES = -I$(top_srcdir)/include LDADD = $(top_srcdir)/src/.libs/libcgroup.la # compile the tests, but do not install them -noinst_PROGRAMS = libcgrouptest01 libcg_ba setuid pathtest walk_test read_stats +noinst_PROGRAMS = libcgrouptest01 libcg_ba setuid pathtest walk_test read_stats walk_task libcgrouptest01_SOURCES=libcgrouptest01.c test_functions.c libcgrouptest.h libcg_ba_SOURCES=libcg_ba.cpp @@ -10,6 +10,7 @@ setuid_SOURCES=setuid.c pathtest_SOURCES=pathtest.c walk_test_SOURCES=walk_test.c read_stats_SOURCES=read_stats.c +walk_task_SOURCES=walk_task.c EXTRA_DIST = pathtest.sh runlibcgrouptest.sh diff --git a/tests/walk_task.c b/tests/walk_task.c new file mode 100644 index 0000000..fb89963 --- /dev/null +++ b/tests/walk_task.c @@ -0,0 +1,50 @@ +#include +#include +#include +#include +#include + +int main(int argc, char *argv[]) +{ + int ret, i; + char *group = NULL; + FILE *tasks = NULL; + + if (argc < 2) { + printf("No list of groups provided\n"); + return -1; + } + + ret = cgroup_init(); + + if (ret) { + printf("cgroup_init failed with %s\n", cgroup_strerror(ret)); + return -1; + } + + for (i = 1; i < argc; i++) { + pid_t pid; + group = strdup(argv[i]); + printf("Printing the details of groups %s\n", group); + ret = cgroup_get_task_begin(group, "cpu", (void *) &tasks, + &pid); + while (!ret) { + printf("Pid is %u\n", pid); + ret = cgroup_get_task_next((void *) tasks, &pid); + if (ret && ret != ECGEOF) { + printf("cgroup_get_task_next failed with %s\n", + cgroup_strerror(ret)); + if (ret == ECGOTHER) + printf("failure with %s\n", + strerror(errno)); + return -1; + } + } + free(group); + group = NULL; + ret = cgroup_get_task_end((void **) &tasks); + } + + return 0; + +} -- cgit