Lines Matching refs:fbuf

20 static struct ftrace_buf *fbuf;
51 	fbuf = (struct ftrace_buf *)(vaddr_t)finfo->buf_start.ptr64;
52 	fbuf->head_off = sizeof(struct ftrace_buf);
53 	p = (char *)fbuf + fbuf->head_off;
60 	fbuf->ret_func_ptr = finfo->ret_ptr.ptr64;
61 	fbuf->ret_idx = 0;
62 	fbuf->lr_idx = 0;
63 	fbuf->suspend_time = 0;
64 	fbuf->buf_off = fbuf->head_off + count;
71 		fbuf->buf_off++;
76 	fbuf->buf_off += sizeof(magic);
78 	fbuf->curr_idx = 0;
79 	fbuf->max_size = fbuf_size - sizeof(struct ftrace_buf) - count;
80 	fbuf->syscall_trace_enabled = false;
81 	fbuf->syscall_trace_suspended = false;
83 	*fbuf_ptr = fbuf;
91 	if (fbuf) {
93 		char *hstart = (char *)fbuf + fbuf->head_off;
94 		char *cstart = (char *)fbuf + fbuf->buf_off;
95 		char *ccurr = cstart + fbuf->curr_idx * sizeof(uint64_t);
102 		if (fbuf->overflow)
103 			csize = fbuf->max_size;
105 			csize = fbuf->curr_idx * sizeof(uint64_t);
106 		dump_size = fbuf->buf_off - fbuf->head_off + csize;
110 		if (!fbuf->dump_id)
111 			copy_func(pctx, hstart, fbuf->buf_off - fbuf->head_off);
112 		if (fbuf->overflow) {
123 	if (fbuf)
124 		return fbuf->dump_id;
131 	if (fbuf) {
132 		fbuf->curr_idx = 0;
133 		fbuf->overflow = false;
139 	if (fbuf) {
140 		if (*lr == fbuf->ret_func_ptr &&
141 		    fbuf->lr_idx < fbuf->ret_idx) {
142 			fbuf->lr_idx++;
143 			*lr = fbuf->ret_stack[fbuf->ret_idx - fbuf->lr_idx];