diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bpf.h | 2 | ||||
| -rw-r--r-- | include/linux/perf_event.h | 4 | ||||
| -rw-r--r-- | include/linux/trace_events.h | 9 | ||||
| -rw-r--r-- | include/trace/perf.h | 23 | ||||
| -rw-r--r-- | include/trace/trace_events.h | 3 | ||||
| -rw-r--r-- | include/uapi/linux/bpf.h | 1 |
6 files changed, 23 insertions, 19 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 21ee41b92e8a..b2365a6eba3d 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -131,6 +131,7 @@ struct bpf_prog_type_list { struct bpf_prog_aux { atomic_t refcnt; u32 used_map_cnt; + u32 max_ctx_offset; const struct bpf_verifier_ops *ops; struct bpf_map **used_maps; struct bpf_prog *prog; @@ -160,6 +161,7 @@ struct bpf_array { #define MAX_TAIL_CALL_CNT 32 u64 bpf_tail_call(u64 ctx, u64 r2, u64 index, u64 r4, u64 r5); +u64 bpf_get_stackid(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); void bpf_fd_array_map_clear(struct bpf_map *map); bool bpf_prog_array_compatible(struct bpf_array *array, const struct bpf_prog *fp); const struct bpf_func_proto *bpf_get_trace_printk_proto(void); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index f291275ffd71..eb41b535ef38 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -882,8 +882,6 @@ static inline void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned lo */ static inline void perf_fetch_caller_regs(struct pt_regs *regs) { - memset(regs, 0, sizeof(*regs)); - perf_arch_fetch_caller_regs(regs, CALLER_ADDR0); } @@ -1018,7 +1016,7 @@ static inline bool perf_paranoid_kernel(void) } extern void perf_event_init(void); -extern void perf_tp_event(u64 addr, u64 count, void *record, +extern void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size, struct pt_regs *regs, struct hlist_head *head, int rctx, struct task_struct *task); diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 0810f81b6db2..fe6441203b59 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -569,6 +569,7 @@ extern int trace_define_field(struct trace_event_call *call, const char *type, int is_signed, int filter_type); extern int trace_add_event_call(struct trace_event_call *call); extern int trace_remove_event_call(struct trace_event_call *call); +extern int trace_event_get_offsets(struct trace_event_call *call); #define is_signed_type(type) (((type)(-1)) < (type)1) @@ -605,15 +606,15 @@ extern void perf_trace_del(struct perf_event *event, int flags); extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, char *filter_str); extern void ftrace_profile_free_filter(struct perf_event *event); -extern void *perf_trace_buf_prepare(int size, unsigned short type, - struct pt_regs **regs, int *rctxp); +void perf_trace_buf_update(void *record, u16 type); +void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp); static inline void -perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, +perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type, u64 count, struct pt_regs *regs, void *head, struct task_struct *task) { - perf_tp_event(addr, count, raw_data, size, regs, head, rctx, task); + perf_tp_event(type, count, raw_data, size, regs, head, rctx, task); } #endif diff --git a/include/trace/perf.h b/include/trace/perf.h index 26486fcd74ce..a182306eefd7 100644 --- a/include/trace/perf.h +++ b/include/trace/perf.h @@ -20,9 +20,6 @@ #undef __get_bitmask #define __get_bitmask(field) (char *)__get_dynamic_array(field) -#undef __perf_addr -#define __perf_addr(a) (__addr = (a)) - #undef __perf_count #define __perf_count(c) (__count = (c)) @@ -37,8 +34,9 @@ perf_trace_##call(void *__data, proto) \ struct trace_event_call *event_call = __data; \ struct trace_event_data_offsets_##call __maybe_unused __data_offsets;\ struct trace_event_raw_##call *entry; \ + struct bpf_prog *prog = event_call->prog; \ struct pt_regs *__regs; \ - u64 __addr = 0, __count = 1; \ + u64 __count = 1; \ struct task_struct *__task = NULL; \ struct hlist_head *head; \ int __entry_size; \ @@ -48,7 +46,7 @@ perf_trace_##call(void *__data, proto) \ __data_size = trace_event_get_offsets_##call(&__data_offsets, args); \ \ head = this_cpu_ptr(event_call->perf_events); \ - if (__builtin_constant_p(!__task) && !__task && \ + if (!prog && __builtin_constant_p(!__task) && !__task && \ hlist_empty(head)) \ return; \ \ @@ -56,8 +54,7 @@ perf_trace_##call(void *__data, proto) \ sizeof(u64)); \ __entry_size -= sizeof(u32); \ \ - entry = perf_trace_buf_prepare(__entry_size, \ - event_call->event.type, &__regs, &rctx); \ + entry = perf_trace_buf_alloc(__entry_size, &__regs, &rctx); \ if (!entry) \ return; \ \ @@ -67,8 +64,16 @@ perf_trace_##call(void *__data, proto) \ \ { assign; } \ \ - perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \ - __count, __regs, head, __task); \ + if (prog) { \ + *(struct pt_regs **)entry = __regs; \ + if (!trace_call_bpf(prog, entry) || hlist_empty(head)) { \ + perf_swevent_put_recursion_context(rctx); \ + return; \ + } \ + } \ + perf_trace_buf_submit(entry, __entry_size, rctx, \ + event_call->event.type, __count, __regs, \ + head, __task); \ } /* diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h index 170c93bbdbb7..80679a9fae65 100644 --- a/include/trace/trace_events.h +++ b/include/trace/trace_events.h @@ -652,9 +652,6 @@ static inline notrace int trace_event_get_offsets_##call( \ #undef TP_fast_assign #define TP_fast_assign(args...) args -#undef __perf_addr -#define __perf_addr(a) (a) - #undef __perf_count #define __perf_count(c) (c) diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 23917bb47bf3..70eda5aeb304 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -92,6 +92,7 @@ enum bpf_prog_type { BPF_PROG_TYPE_KPROBE, BPF_PROG_TYPE_SCHED_CLS, BPF_PROG_TYPE_SCHED_ACT, + BPF_PROG_TYPE_TRACEPOINT, }; #define BPF_PSEUDO_MAP_FD 1 |