arm64/util/arm-spe.c

68 arm_spe_snapshot_resolve_auxtrace_defaults(struct record_opts *opts,
85 	if (!opts->auxtrace_snapshot_size && !opts->auxtrace_mmap_pages) {
87 			opts->auxtrace_mmap_pages = MiB(4) / page_size;
89 			opts->auxtrace_mmap_pages = KiB(128) / page_size;
90 			if (opts->mmap_pages == UINT_MAX)
91 				opts->mmap_pages = KiB(256) / page_size;
93 	} else if (!opts->auxtrace_mmap_pages && !privileged && opts->mmap_pages == UINT_MAX) {
94 		opts->mmap_pages = KiB(256) / page_size;
101 	if (!opts->auxtrace_snapshot_size)
102 		opts->auxtrace_snapshot_size = opts->auxtrace_mmap_pages * (size_t)page_size;
108 	if (!opts->auxtrace_mmap_pages) {
109 		size_t sz = opts->auxtrace_snapshot_size;
112 		opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
137 				     struct record_opts *opts)
161 			opts->full_auxtrace = true;
165 	if (!opts->full_auxtrace)
171 	if (opts->auxtrace_snapshot_mode) {
176 		if (!opts->auxtrace_snapshot_size || !opts->auxtrace_mmap_pages)
177 			arm_spe_snapshot_resolve_auxtrace_defaults(opts, privileged);
182 		if (opts->auxtrace_snapshot_size > opts->auxtrace_mmap_pages * (size_t)page_size) {
184 			       opts->auxtrace_snapshot_size,
185 			       opts->auxtrace_mmap_pages * (size_t)page_size);
192 		if (!opts->auxtrace_snapshot_size || !opts->auxtrace_mmap_pages) {
199 	if (!opts->auxtrace_mmap_pages) {
201 			opts->auxtrace_mmap_pages = MiB(4) / page_size;
203 			opts->auxtrace_mmap_pages = KiB(128) / page_size;
204 			if (opts->mmap_pages == UINT_MAX)
205 				opts->mmap_pages = KiB(256) / page_size;
210 	if (opts->auxtrace_mmap_pages) {
211 		size_t sz = opts->auxtrace_mmap_pages * (size_t)page_size;
221 	if (opts->auxtrace_snapshot_mode)
223 			  opts->auxtrace_snapshot_size);
273 		if (!record_opts__no_switch_events(opts))
281 					 struct record_opts *opts,
293 	opts->auxtrace_snapshot_mode = true;
294 	opts->auxtrace_snapshot_size = snapshot_size;