tools/lib/bpf/libbpf.c

13659

struct perf_cpu_buf *cpu_buf)

tools/lib/bpf/libbpf.c

13663

if (cpu_buf->base &&

tools/lib/bpf/libbpf.c

13664

munmap(cpu_buf->base, pb->mmap_size + pb->page_size))

tools/lib/bpf/libbpf.c

13665

pr_warn("failed to munmap cpu_buf #%d\n", cpu_buf->cpu);

tools/lib/bpf/libbpf.c

13666

if (cpu_buf->fd >= 0) {

tools/lib/bpf/libbpf.c

13667

ioctl(cpu_buf->fd, PERF_EVENT_IOC_DISABLE, 0);

tools/lib/bpf/libbpf.c

13668

close(cpu_buf->fd);

tools/lib/bpf/libbpf.c

13670

free(cpu_buf->buf);

tools/lib/bpf/libbpf.c

13682

struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];

tools/lib/bpf/libbpf.c

13684

if (!cpu_buf)

tools/lib/bpf/libbpf.c

13687

bpf_map_delete_elem(pb->map_fd, &cpu_buf->map_key);

tools/lib/bpf/libbpf.c

13688

perf_buffer__free_cpu_buf(pb, cpu_buf);

tools/lib/bpf/libbpf.c

13702

struct perf_cpu_buf *cpu_buf;

tools/lib/bpf/libbpf.c

13705

cpu_buf = calloc(1, sizeof(*cpu_buf));

tools/lib/bpf/libbpf.c

13706

if (!cpu_buf)

tools/lib/bpf/libbpf.c

13709

cpu_buf->pb = pb;

tools/lib/bpf/libbpf.c

13710

cpu_buf->cpu = cpu;

tools/lib/bpf/libbpf.c

13711

cpu_buf->map_key = map_key;

tools/lib/bpf/libbpf.c

13713

cpu_buf->fd = syscall(__NR_perf_event_open, attr, -1 /* pid */, cpu,

tools/lib/bpf/libbpf.c

13715

if (cpu_buf->fd < 0) {

tools/lib/bpf/libbpf.c

13722

cpu_buf->base = mmap(NULL, pb->mmap_size + pb->page_size,

tools/lib/bpf/libbpf.c

13724

cpu_buf->fd, 0);

tools/lib/bpf/libbpf.c

13725

if (cpu_buf->base == MAP_FAILED) {

tools/lib/bpf/libbpf.c

13726

cpu_buf->base = NULL;

tools/lib/bpf/libbpf.c

13733

if (ioctl(cpu_buf->fd, PERF_EVENT_IOC_ENABLE, 0) < 0) {

tools/lib/bpf/libbpf.c

13740

return cpu_buf;

tools/lib/bpf/libbpf.c

13743

perf_buffer__free_cpu_buf(pb, cpu_buf);

tools/lib/bpf/libbpf.c

13899

struct perf_cpu_buf *cpu_buf;

tools/lib/bpf/libbpf.c

13911

cpu_buf = perf_buffer__open_cpu_buf(pb, p->attr, cpu, map_key);

tools/lib/bpf/libbpf.c

13912

if (IS_ERR(cpu_buf)) {

tools/lib/bpf/libbpf.c

13913

err = PTR_ERR(cpu_buf);

tools/lib/bpf/libbpf.c

13917

pb->cpu_bufs[j] = cpu_buf;

tools/lib/bpf/libbpf.c

13920

&cpu_buf->fd, 0);

tools/lib/bpf/libbpf.c

13924

cpu, map_key, cpu_buf->fd,

tools/lib/bpf/libbpf.c

13930

pb->events[j].data.ptr = cpu_buf;

tools/lib/bpf/libbpf.c

13931

if (epoll_ctl(pb->epoll_fd, EPOLL_CTL_ADD, cpu_buf->fd,

tools/lib/bpf/libbpf.c

13935

cpu, cpu_buf->fd,

tools/lib/bpf/libbpf.c

13969

struct perf_cpu_buf *cpu_buf = ctx;

tools/lib/bpf/libbpf.c

13970

struct perf_buffer *pb = cpu_buf->pb;

tools/lib/bpf/libbpf.c

13975

return pb->event_cb(pb->ctx, cpu_buf->cpu, e);

tools/lib/bpf/libbpf.c

13982

pb->sample_cb(pb->ctx, cpu_buf->cpu, s->data, s->size);

tools/lib/bpf/libbpf.c

13989

pb->lost_cb(pb->ctx, cpu_buf->cpu, s->lost);

tools/lib/bpf/libbpf.c

14000

struct perf_cpu_buf *cpu_buf)

tools/lib/bpf/libbpf.c

14004

ret = perf_event_read_simple(cpu_buf->base, pb->mmap_size,

tools/lib/bpf/libbpf.c

14005

pb->page_size, &cpu_buf->buf,

tools/lib/bpf/libbpf.c

14006

&cpu_buf->buf_size,

tools/lib/bpf/libbpf.c

14007

perf_buffer__process_record, cpu_buf);

tools/lib/bpf/libbpf.c

14027

struct perf_cpu_buf *cpu_buf = pb->events[i].data.ptr;

tools/lib/bpf/libbpf.c

14029

err = perf_buffer__process_records(pb, cpu_buf);

tools/lib/bpf/libbpf.c

14053

struct perf_cpu_buf *cpu_buf;

tools/lib/bpf/libbpf.c

14058

cpu_buf = pb->cpu_bufs[buf_idx];

tools/lib/bpf/libbpf.c

14059

if (!cpu_buf)

tools/lib/bpf/libbpf.c

14062

return cpu_buf->fd;

tools/lib/bpf/libbpf.c

14067

struct perf_cpu_buf *cpu_buf;

tools/lib/bpf/libbpf.c

14072

cpu_buf = pb->cpu_bufs[buf_idx];

tools/lib/bpf/libbpf.c

14073

if (!cpu_buf)

tools/lib/bpf/libbpf.c

14076

*buf = cpu_buf->base;

tools/lib/bpf/libbpf.c

14091

struct perf_cpu_buf *cpu_buf;

tools/lib/bpf/libbpf.c

14096

cpu_buf = pb->cpu_bufs[buf_idx];

tools/lib/bpf/libbpf.c

14097

if (!cpu_buf)

tools/lib/bpf/libbpf.c

14100

return perf_buffer__process_records(pb, cpu_buf);

tools/lib/bpf/libbpf.c

14108

struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];

tools/lib/bpf/libbpf.c

14110

if (!cpu_buf)

tools/lib/bpf/libbpf.c

14113

err = perf_buffer__process_records(pb, cpu_buf);

tools/testing/selftests/bpf/benchs/bench_ringbufs.c

532

struct perf_cpu_buf *cpu_buf;

tools/testing/selftests/bpf/benchs/bench_ringbufs.c

551

cpu_buf = pb->events[i].data.ptr;

tools/testing/selftests/bpf/benchs/bench_ringbufs.c

552

header = cpu_buf->base;