Hi,
This patchset implements two new APIs to access data inside the cgroup data
structure. It has been tested using,
#include <stdio.h>
#include <libcgroup.h>
#include <stdlib.h>
int main()
{
char **list;
int size;
struct cgroup *cgroup;
int ret;
int len;
int i;
ret = cgroup_init();
cgroup = cgroup_new_cgroup("a");
ret = cgroup_get_cgroup(cgroup);
if (ret) {
printf("get cgroup failed with %s\n", cgroup_strerror(ret));
return 0;
}
ret = cgroup_list_controllers(cgroup, NULL);
size = ret;
list = calloc(ret, sizeof(char *));
ret = cgroup_list_controllers(cgroup, list);
printf("Listing all controllers\n");
for (i = 0; i < size; i++)
printf("%s\n", list[i]);
for (i = 0; i < size; i++) {
free(list[i]);
list[i] = NULL;
}
ret = cgroup_list_controller_files(cgroup, "cpu", NULL);
if (ret == ECGCONTROLLERNOTFOUND) {
printf("Controller not found\n");
return 0;
}
len = ret;
list = calloc(ret, sizeof(char *));
ret = cgroup_list_controller_files(cgroup, "cpu", list);
printf("Listing all the files for the CPU controller\n");
for (i = 0; i < len; i++)
printf("%s\n", list[i]);
return 0;
}
which on running returns,
Listing all controllers
cpu
cpuacct
memory
Listing all the files for the CPU controller
cpu.rt_period_us
cpu.rt_runtime_us
cpu.shares
thanks,
--
regards,
Dhaval
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