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Allow rust bpfloader to load bpfMemEvents.bpf

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Test: TH
Bug: 410982483
Change-Id: I156024bf130c1a808d657b9b501b64d2ae0d607b
This commit is contained in:
Motomu Utsumi 2025-05-22 16:07:01 +09:00
commit d8506e9151
1 changed files with 54 additions and 0 deletions
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54
loader/bpfloader.rs
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@ -49,6 +49,8 @@ const fn kver(a: u32, b: u32, c: u32) -> u32 {
const KVER_NONE: u32 = kver(0, 0, 0);
const KVER_INF: u32 = 0xFFFFFFFF;
const KVER_5_10: u32 = kver(5, 10, 0);
const KVER_6_1: u32 = kver(6, 1, 0);
enum KernelLevel {
// Commented out unused due to rust complaining...
@ -160,6 +162,10 @@ impl MapDesc {
pub const fn new(group: u32, perms: mode_t, name: &'static str) -> Self {
MapDesc { name, perms, owner: AID_ROOT, group, min_kver: KVER_NONE, max_kver: KVER_INF }
}
pub const fn new_kver(group: u32, perms: mode_t, min_kver: u32, name: &'static str) -> Self {
MapDesc { name, perms, owner: AID_ROOT, group, min_kver, max_kver: KVER_INF }
}
}
struct ProgDesc {
@ -175,6 +181,10 @@ impl ProgDesc {
pub const fn new(group: u32, name: &'static str) -> Self {
ProgDesc { name, owner: AID_ROOT, group, min_kver: KVER_NONE, max_kver: KVER_INF }
}
pub const fn new_kver(group: u32, min_kver: u32, name: &'static str) -> Self {
ProgDesc { name, owner: AID_ROOT, group, min_kver, max_kver: KVER_INF }
}
}
struct BpfFileDesc {
@ -261,6 +271,50 @@ const FILE_ARR: &[BpfFileDesc] = &[
],
progs: &[ProgDesc::new(GID_GRAPHICS, "tracepoint_power_gpu_work_period")],
},
BpfFileDesc {
filename: "bpfMemEvents.bpf",
dir: "/etc/bpf/memevents/",
prefix: "memevents/",
critical: false,
skip_on_user: false,
maps: &[
MapDesc::new_kver(GID_SYSTEM, PERM_GRW, KVER_5_10, "ams_rb"),
MapDesc::new_kver(GID_SYSTEM, PERM_GRW, KVER_5_10, "lmkd_rb"),
],
progs: &[
ProgDesc::new_kver(GID_SYSTEM, KVER_5_10, "tracepoint_oom_mark_victim_ams"),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_5_10,
"tracepoint_vmscan_mm_vmscan_direct_reclaim_begin_lmkd",
),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_5_10,
"tracepoint_vmscan_mm_vmscan_direct_reclaim_end_lmkd",
),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_5_10,
"tracepoint_vmscan_mm_vmscan_kswapd_wake_lmkd",
),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_5_10,
"tracepoint_vmscan_mm_vmscan_kswapd_sleep_lmkd",
),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_6_1,
"tracepoint_android_vendor_lmk_android_trigger_vendor_lmk_kill_lmkd",
),
ProgDesc::new_kver(
GID_SYSTEM,
KVER_6_1,
"tracepoint_kmem_mm_calculate_totalreserve_pages_lmkd",
),
],
},
];
// TODO: Remove this code when fuse-bpf is upstreamed