Commit e87c3434 authored by Yucong Sun's avatar Yucong Sun Committed by Andrii Nakryiko
Browse files

selftests/bpf: Add per worker cgroup suffix 



This patch make each worker use a unique cgroup base directory, thus
allowing tests that uses cgroups to run concurrently.

Signed-off-by: default avatarYucong Sun <sunyucong@gmail.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211006185619.364369-5-fallentree@fb.com
parent 6587ff58

tools/testing/selftests/bpf/cgroup_helpers.c

+3 −3
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <fcntl.h>

#include <unistd.h>

#include <ftw.h>

#include <unistd.h>



#include "cgroup_helpers.h"
@@ -33,10 +34,9 @@ 
#define CGROUP_MOUNT_DFLT		"/sys/fs/cgroup"

#define NETCLS_MOUNT_PATH		CGROUP_MOUNT_DFLT "/net_cls"

#define CGROUP_WORK_DIR			"/cgroup-test-work-dir"



#define format_cgroup_path(buf, path) \

	snprintf(buf, sizeof(buf), "%s%s%s", CGROUP_MOUNT_PATH, \

		 CGROUP_WORK_DIR, path)

	snprintf(buf, sizeof(buf), "%s%s%d%s", CGROUP_MOUNT_PATH, \

	CGROUP_WORK_DIR, getpid(), path)



#define format_classid_path(buf)				\

	snprintf(buf, sizeof(buf), "%s%s", NETCLS_MOUNT_PATH,	\

tools/testing/selftests/bpf/cgroup_helpers.h

+1 −1

File changed.

Contains only whitespace changes.