37 void clear_trans_last(struct transient * trans)  in clear_trans_last()  argument
39 	trans->last = NULL;  in clear_trans_last()
40 	trans->last_anon = NULL;  in clear_trans_last()
44 void clear_trans_current(struct transient * trans)  in clear_trans_current()  argument
46 	trans->current = NULL;  in clear_trans_current()
47 	trans->anon = NULL;  in clear_trans_current()
51 uint64_t pop_buffer_value(struct transient * trans)  in pop_buffer_value()  argument
55 	if (!trans->remaining) {  in pop_buffer_value()
61 		uint32_t const * lbuf = (void const *)trans->buffer;  in pop_buffer_value()
64 		uint64_t const * lbuf = (void const *)trans->buffer;  in pop_buffer_value()
68 	trans->remaining--;  in pop_buffer_value()
69 	trans->buffer += kernel_pointer_size;  in pop_buffer_value()
74 int enough_remaining(struct transient * trans, size_t size)  in enough_remaining()  argument
76 	if (trans->remaining >= size)  in enough_remaining()
85 static void opd_put_sample(struct transient * trans, unsigned long long pc)  in opd_put_sample()  argument
89 	if (!enough_remaining(trans, 1)) {  in opd_put_sample()
90 		trans->remaining = 0;  in opd_put_sample()
94 	event = pop_buffer_value(trans);  in opd_put_sample()
96 	if (trans->tracing != TRACING_ON)  in opd_put_sample()
97 		trans->event = event;  in opd_put_sample()
99 	trans->pc = pc;  in opd_put_sample()
102 	if (trans->in_kernel != 0)  in opd_put_sample()
103 		clear_trans_current(trans);  in opd_put_sample()
105 	if (!trans->in_kernel && trans->cookie == NO_COOKIE)  in opd_put_sample()
106 		trans->anon = find_anon_mapping(trans);  in opd_put_sample()
109 	if (!trans->current)  in opd_put_sample()
110 		trans->current = sfile_find(trans);  in opd_put_sample()
116 	if (!trans->current)  in opd_put_sample()
120 	if (trans->current->ignored || (trans->last && trans->last->ignored))  in opd_put_sample()
124 	sfile_log_sample(trans);  in opd_put_sample()
128 	if (trans->tracing == TRACING_START)  in opd_put_sample()
129 		trans->tracing = TRACING_ON;  in opd_put_sample()
131 	update_trans_last(trans);  in opd_put_sample()
135 static void code_unknown(struct transient * trans __attribute__((unused)))  in code_unknown()  argument
142 static void code_ctx_switch(struct transient * trans)  in code_ctx_switch()  argument
144 	clear_trans_current(trans);  in code_ctx_switch()
146 	if (!enough_remaining(trans, 5)) {  in code_ctx_switch()
147 		trans->remaining = 0;  in code_ctx_switch()
151 	trans->tid = pop_buffer_value(trans);  in code_ctx_switch()
152 	trans->app_cookie = pop_buffer_value(trans);  in code_ctx_switch()
156 	pop_buffer_value(trans);  in code_ctx_switch()
157 	pop_buffer_value(trans);  in code_ctx_switch()
158 	trans->tgid = pop_buffer_value(trans);  in code_ctx_switch()
161 		char const * app = find_cookie(trans->app_cookie);  in code_ctx_switch()
163 		       (unsigned long)trans->tid, (unsigned long)trans->tgid,  in code_ctx_switch()
164 		       trans->app_cookie, app ? app : "none");  in code_ctx_switch()
169 static void code_cpu_switch(struct transient * trans)  in code_cpu_switch()  argument
171 	clear_trans_current(trans);  in code_cpu_switch()
173 	if (!enough_remaining(trans, 1)) {  in code_cpu_switch()
174 		trans->remaining = 0;  in code_cpu_switch()
178 	trans->cpu = pop_buffer_value(trans);  in code_cpu_switch()
179 	verbprintf(vmisc, "CPU_SWITCH to %lu\n", trans->cpu);  in code_cpu_switch()
183 static void code_cookie_switch(struct transient * trans)  in code_cookie_switch()  argument
185 	clear_trans_current(trans);  in code_cookie_switch()
187 	if (!enough_remaining(trans, 1)) {  in code_cookie_switch()
188 		trans->remaining = 0;  in code_cookie_switch()
192 	trans->cookie = pop_buffer_value(trans);  in code_cookie_switch()
195 		char const * name = verbose_cookie(trans->cookie);  in code_cookie_switch()
197 			   name, trans->cookie);  in code_cookie_switch()
202 static void code_kernel_enter(struct transient * trans)  in code_kernel_enter()  argument
205 	trans->in_kernel = 1;  in code_kernel_enter()
206 	clear_trans_current(trans);  in code_kernel_enter()
215 static void code_user_enter(struct transient * trans)  in code_user_enter()  argument
218 	trans->in_kernel = 0;  in code_user_enter()
219 	clear_trans_current(trans);  in code_user_enter()
220 	clear_trans_last(trans);  in code_user_enter()
224 static void code_module_loaded(struct transient * trans __attribute__((unused)))  in code_module_loaded()  argument
228 	clear_trans_current(trans);  in code_module_loaded()
229 	clear_trans_last(trans);  in code_module_loaded()
238 static void code_trace_begin(struct transient * trans)  in code_trace_begin()  argument
241 	trans->tracing = TRACING_START;  in code_trace_begin()
244 static void code_xen_enter(struct transient * trans)  in code_xen_enter()  argument
247 	trans->in_kernel = 1;  in code_xen_enter()
248 	trans->current = NULL;  in code_xen_enter()
258 extern void code_spu_profiling(struct transient * trans);
259 extern void code_spu_ctx_switch(struct transient * trans);
261 extern void code_ibs_fetch_sample(struct transient * trans);
262 extern void code_ibs_op_sample(struct transient * trans);
292 	struct transient trans = {  in opd_process_samples()  local
320 		special_processor(&trans);  in opd_process_samples()
324 	while (trans.remaining) {  in opd_process_samples()
325 		code = pop_buffer_value(&trans);  in opd_process_samples()
328 			opd_put_sample(&trans, code);  in opd_process_samples()
332 		if (!trans.remaining) {  in opd_process_samples()
339 		code = pop_buffer_value(&trans);  in opd_process_samples()
346 		handlers[code](&trans);  in opd_process_samples()