diff options
author | Yucong Sun <sunyucong@gmail.com> | 2021-10-06 21:56:09 +0300 |
---|---|---|
committer | Andrii Nakryiko <andrii@kernel.org> | 2021-10-09 00:45:18 +0300 |
commit | e87c3434f81ae566693cfdc22370dc938b2989dd (patch) | |
tree | 6acab3a4dce1f6a2422ca2c5cf95172965055fd1 /tools/testing/selftests/bpf/cgroup_helpers.c | |
parent | 6587ff58cea4a7f252b8bbc4031a1bf4ec3781d8 (diff) | |
download | linux-e87c3434f81ae566693cfdc22370dc938b2989dd.tar.xz |
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: Yucong Sun <sunyucong@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211006185619.364369-5-fallentree@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/cgroup_helpers.c')
-rw-r--r-- | tools/testing/selftests/bpf/cgroup_helpers.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c index f3daa44a8266..8fcd44841bb2 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.c +++ b/tools/testing/selftests/bpf/cgroup_helpers.c @@ -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, \ |