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Commit 2a6ea2ce authored by Motomu Utsumi's avatar Motomu Utsumi
Browse files

Add libbpf_prog gpuMem.bpf target 

This is a preparation for migrating to the Rust platform bpfloader.

Flag: gpuMem.bpf is not used
Bug: 410982483
Test: m gpuMem.bpf
Flag: EXEMPT gpuMem.bpf is not used
Change-Id: Ie460d666b7a6e531a513bbb0656eee34848ecef6
parent 9384f33a

services/gpuservice/bpfprogs/Android.bp

+11 −0
Original line number Diff line number Diff line
@@ -24,4 +24,15 @@ package { 
bpf {

    name: "gpuMem.o",

    srcs: ["gpuMem.c"],

    include_dirs: [

        "system/bpf/include/defs",

    ],

}



libbpf_prog {

    name: "gpuMem.bpf",

    srcs: ["gpuMem.c"],

    header_libs: [

        "android_bpf_defs",

    ],

}

services/gpuservice/bpfprogs/gpuMem.c

+7 −2
Original line number Diff line number Diff line
@@ -14,7 +14,11 @@ 
 * limitations under the License.

 */



#include <bpf_helpers.h>

#include <android_bpf_defs.h>



#ifdef ENABLE_LIBBPF

#include <stdint.h>

#endif  // ENABLE_LIBBPF



/*

 * On Android the number of active processes using gpu is limited.
@@ -48,7 +52,8 @@ struct gpu_mem_total_args { 
 * Pass AID_GRAPHICS as gid since gpuservice is in the graphics group.

 * Upon seeing size 0, the corresponding KEY needs to be cleaned up.

 */

DEFINE_BPF_PROG("tracepoint/gpu_mem/gpu_mem_total", AID_ROOT, AID_GRAPHICS, tp_gpu_mem_total)

DEFINE_BPF_PROG("tracepoint/gpu_mem/gpu_mem_total", AID_ROOT, AID_GRAPHICS,

                tracepoint_gpu_mem_gpu_mem_total)

(struct gpu_mem_total_args* args) {

    uint64_t key = 0;

    uint64_t cur_val = 0;