diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-04-14 00:06:34 +0300 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-04-14 00:15:09 +0300 |
commit | 213cc929cbfd7962164420b300f9a6c60aaff189 (patch) | |
tree | 163d5e50169ce0399add99cba49a760214de05db /tools/testing/selftests/bpf/progs/fexit_sleep.c | |
parent | cd951b3971cdc1f8c76b075f2c97ff357bf141e2 (diff) | |
parent | d434405aaab7d0ebc516b68a8fc4100922d7f5ef (diff) | |
download | linux-213cc929cbfd7962164420b300f9a6c60aaff189.tar.xz |
Merge drm/drm-fixes into drm-next
msm-next pull request has a baseline with stuff from -fixes, roll
forward first.
Some simple conflicts in amdgpu, ttm and one in i915 where git gets
confused and tries to add the same function twice.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/fexit_sleep.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/fexit_sleep.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/fexit_sleep.c b/tools/testing/selftests/bpf/progs/fexit_sleep.c new file mode 100644 index 000000000000..03a672d76353 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/fexit_sleep.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2021 Facebook */ +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +char LICENSE[] SEC("license") = "GPL"; + +int pid = 0; +int fentry_cnt = 0; +int fexit_cnt = 0; + +SEC("fentry/__x64_sys_nanosleep") +int BPF_PROG(nanosleep_fentry, const struct pt_regs *regs) +{ + if ((int)bpf_get_current_pid_tgid() != pid) + return 0; + + fentry_cnt++; + return 0; +} + +SEC("fexit/__x64_sys_nanosleep") +int BPF_PROG(nanosleep_fexit, const struct pt_regs *regs, int ret) +{ + if ((int)bpf_get_current_pid_tgid() != pid) + return 0; + + fexit_cnt++; + return 0; +} |