kernel/trace/trace_selftest.c

71 	arch_spin_lock(&buf->tr->max_lock);
89 	arch_spin_unlock(&buf->tr->max_lock);
183 static int trace_selftest_ops(struct trace_array *tr, int cnt)
220 		ftrace_init_array_ops(tr, trace_selftest_test_global_func);
221 		register_ftrace_function(tr->ops);
336 		unregister_ftrace_function(tr->ops);
337 	ftrace_reset_array_ops(tr);
358 						  struct trace_array *tr,
387 	ret = tracer_init(trace, tr);
397 	ret = trace_test_buffer(&tr->array_buffer, &count);
418 	ret = trace_test_buffer(&tr->array_buffer, &count);
425 		trace->reset(tr);
432 	ret = trace_selftest_ops(tr, 1);
433 	trace->reset(tr);
443 		ret = trace_selftest_ops(tr, 2);
573 # define trace_selftest_startup_dynamic_tracing(trace, tr, func) ({ 0; })
692 trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr)
711 	ret = tracer_init(trace, tr);
724 	ret = trace_test_buffer(&tr->array_buffer, &count);
727 	trace->reset(tr);
736 	ret = trace_selftest_startup_dynamic_tracing(trace, tr,
1063 					struct trace_array *tr)
1080 	tracing_reset_online_cpus(&tr->array_buffer);
1081 	fgraph_ops.private = tr;
1102 	ret = trace_test_buffer(&tr->array_buffer, &count);
1104 	/* Need to also simulate the tr->reset to remove this fgraph_ops */
1123 	tracing_reset_online_cpus(&tr->array_buffer);
1124 	fgraph_ops.private = tr;
1158 	ret = trace_test_buffer(&tr->array_buffer, &count);
1196 trace_selftest_startup_irqsoff(struct tracer *trace, struct trace_array *tr)
1198 	unsigned long save_max = tr->max_latency;
1203 	ret = tracer_init(trace, tr);
1210 	tr->max_latency = 0;
1219 	 * disables the tr and max buffers, making flipping impossible
1222 	trace->stop(tr);
1226 	ret = trace_test_buffer(&tr->array_buffer, NULL);
1228 		ret = trace_test_buffer(&tr->max_buffer, &count);
1229 	trace->reset(tr);
1237 	tr->max_latency = save_max;
1245 trace_selftest_startup_preemptoff(struct tracer *trace, struct trace_array *tr)
1247 	unsigned long save_max = tr->max_latency;
1265 	ret = tracer_init(trace, tr);
1272 	tr->max_latency = 0;
1281 	 * disables the tr and max buffers, making flipping impossible
1284 	trace->stop(tr);
1288 	ret = trace_test_buffer(&tr->array_buffer, NULL);
1290 		ret = trace_test_buffer(&tr->max_buffer, &count);
1291 	trace->reset(tr);
1299 	tr->max_latency = save_max;
1307 trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *tr)
1309 	unsigned long save_max = tr->max_latency;
1327 	ret = tracer_init(trace, tr);
1334 	tr->max_latency = 0;
1347 	 * disables the tr and max buffers, making flipping impossible
1350 	trace->stop(tr);
1354 	ret = trace_test_buffer(&tr->array_buffer, NULL);
1358 	ret = trace_test_buffer(&tr->max_buffer, &count);
1369 	tr->max_latency = 0;
1371 	trace->start(tr);
1380 	trace->stop(tr);
1384 	ret = trace_test_buffer(&tr->array_buffer, NULL);
1388 	ret = trace_test_buffer(&tr->max_buffer, &count);
1399 	trace->reset(tr);
1400 	tr->max_latency = save_max;
1408 trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr)
1460 trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr)
1462 	unsigned long save_max = tr->max_latency;
1483 	ret = tracer_init(trace, tr);
1490 	tr->max_latency = 0;
1514 	ret = trace_test_buffer(&tr->array_buffer, NULL);
1516 		ret = trace_test_buffer(&tr->max_buffer, &count);
1519 	trace->reset(tr);
1522 	tr->max_latency = save_max;
1538 trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr)
1544 	ret = tracer_init(trace, tr);
1555 	ret = trace_test_buffer(&tr->array_buffer, &count);
1556 	trace->reset(tr);