24 char *osnoise_get_cpus(struct osnoise_context *context)  in osnoise_get_cpus()  argument
26 	if (context->curr_cpus)  in osnoise_get_cpus()
27 		return context->curr_cpus;  in osnoise_get_cpus()
29 	if (context->orig_cpus)  in osnoise_get_cpus()
30 		return context->orig_cpus;  in osnoise_get_cpus()
32 	context->orig_cpus = tracefs_instance_file_read(NULL, "osnoise/cpus", NULL);  in osnoise_get_cpus()
38 	return context->orig_cpus;  in osnoise_get_cpus()
48 int osnoise_set_cpus(struct osnoise_context *context, char *cpus)  in osnoise_set_cpus()  argument
50 	char *orig_cpus = osnoise_get_cpus(context);  in osnoise_set_cpus()
57 	context->curr_cpus = strdup(cpus);  in osnoise_set_cpus()
58 	if (!context->curr_cpus)  in osnoise_set_cpus()
63 	debug_msg("setting cpus to %s from %s", cpus, context->orig_cpus);  in osnoise_set_cpus()
67 		free(context->curr_cpus);  in osnoise_set_cpus()
68 		context->curr_cpus = NULL;  in osnoise_set_cpus()
82 void osnoise_restore_cpus(struct osnoise_context *context)  in osnoise_restore_cpus()  argument
86 	if (!context->orig_cpus)  in osnoise_restore_cpus()
89 	if (!context->curr_cpus)  in osnoise_restore_cpus()
93 	if (!strcmp(context->orig_cpus, context->curr_cpus))  in osnoise_restore_cpus()
96 	debug_msg("restoring cpus to %s", context->orig_cpus);  in osnoise_restore_cpus()
98 	retval = tracefs_instance_file_write(NULL, "osnoise/cpus", context->orig_cpus);  in osnoise_restore_cpus()
103 	free(context->curr_cpus);  in osnoise_restore_cpus()
104 	context->curr_cpus = NULL;  in osnoise_restore_cpus()
110 void osnoise_put_cpus(struct osnoise_context *context)  in osnoise_put_cpus()  argument
112 	osnoise_restore_cpus(context);  in osnoise_put_cpus()
114 	if (!context->orig_cpus)  in osnoise_put_cpus()
117 	free(context->orig_cpus);  in osnoise_put_cpus()
118 	context->orig_cpus = NULL;  in osnoise_put_cpus()
168 unsigned long long osnoise_get_runtime(struct osnoise_context *context)  in osnoise_get_runtime()  argument
172 	if (context->runtime_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_runtime()
173 		return context->runtime_us;  in osnoise_get_runtime()
175 	if (context->orig_runtime_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_runtime()
176 		return context->orig_runtime_us;  in osnoise_get_runtime()
182 	context->orig_runtime_us = runtime_us;  in osnoise_get_runtime()
194 unsigned long long osnoise_get_period(struct osnoise_context *context)  in osnoise_get_period()  argument
198 	if (context->period_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_period()
199 		return context->period_us;  in osnoise_get_period()
201 	if (context->orig_period_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_period()
202 		return context->orig_period_us;  in osnoise_get_period()
208 	context->orig_period_us = period_us;  in osnoise_get_period()
215 static int __osnoise_write_runtime(struct osnoise_context *context,  in __osnoise_write_runtime()  argument
220 	if (context->orig_runtime_us == OSNOISE_TIME_INIT_VAL)  in __osnoise_write_runtime()
227 	context->runtime_us = runtime;  in __osnoise_write_runtime()
231 static int __osnoise_write_period(struct osnoise_context *context,  in __osnoise_write_period()  argument
236 	if (context->orig_period_us == OSNOISE_TIME_INIT_VAL)  in __osnoise_write_period()
243 	context->period_us = period;  in __osnoise_write_period()
254 int osnoise_set_runtime_period(struct osnoise_context *context,  in osnoise_set_runtime_period()  argument
265 	curr_runtime_us = osnoise_get_runtime(context);  in osnoise_set_runtime_period()
266 	curr_period_us = osnoise_get_period(context);  in osnoise_set_runtime_period()
275 		return __osnoise_write_runtime(context, runtime);  in osnoise_set_runtime_period()
279 		return __osnoise_write_period(context, period);  in osnoise_set_runtime_period()
283 		retval = __osnoise_write_period(context, period);  in osnoise_set_runtime_period()
286 		retval = __osnoise_write_runtime(context, runtime);  in osnoise_set_runtime_period()
290 		retval = __osnoise_write_runtime(context, runtime);  in osnoise_set_runtime_period()
293 		retval = __osnoise_write_period(context, period);  in osnoise_set_runtime_period()
304 void osnoise_restore_runtime_period(struct osnoise_context *context)  in osnoise_restore_runtime_period()  argument
306 	unsigned long long orig_runtime = context->orig_runtime_us;  in osnoise_restore_runtime_period()
307 	unsigned long long orig_period = context->orig_period_us;  in osnoise_restore_runtime_period()
308 	unsigned long long curr_runtime = context->runtime_us;  in osnoise_restore_runtime_period()
309 	unsigned long long curr_period = context->period_us;  in osnoise_restore_runtime_period()
318 	retval = osnoise_set_runtime_period(context, orig_runtime, orig_period);  in osnoise_restore_runtime_period()
323 	context->runtime_us = OSNOISE_TIME_INIT_VAL;  in osnoise_restore_runtime_period()
324 	context->period_us = OSNOISE_TIME_INIT_VAL;  in osnoise_restore_runtime_period()
330 void osnoise_put_runtime_period(struct osnoise_context *context)  in osnoise_put_runtime_period()  argument
332 	osnoise_restore_runtime_period(context);  in osnoise_put_runtime_period()
334 	if (context->orig_runtime_us != OSNOISE_TIME_INIT_VAL)  in osnoise_put_runtime_period()
335 		context->orig_runtime_us = OSNOISE_TIME_INIT_VAL;  in osnoise_put_runtime_period()
337 	if (context->orig_period_us != OSNOISE_TIME_INIT_VAL)  in osnoise_put_runtime_period()
338 		context->orig_period_us = OSNOISE_TIME_INIT_VAL;  in osnoise_put_runtime_period()
345 osnoise_get_timerlat_period_us(struct osnoise_context *context)  in osnoise_get_timerlat_period_us()  argument
349 	if (context->timerlat_period_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_timerlat_period_us()
350 		return context->timerlat_period_us;  in osnoise_get_timerlat_period_us()
352 	if (context->orig_timerlat_period_us != OSNOISE_TIME_INIT_VAL)  in osnoise_get_timerlat_period_us()
353 		return context->orig_timerlat_period_us;  in osnoise_get_timerlat_period_us()
359 	context->orig_timerlat_period_us = timerlat_period_us;  in osnoise_get_timerlat_period_us()
369 int osnoise_set_timerlat_period_us(struct osnoise_context *context, long long timerlat_period_us)  in osnoise_set_timerlat_period_us()  argument
371 	long long curr_timerlat_period_us = osnoise_get_timerlat_period_us(context);  in osnoise_set_timerlat_period_us()
381 	context->timerlat_period_us = timerlat_period_us;  in osnoise_set_timerlat_period_us()
389 void osnoise_restore_timerlat_period_us(struct osnoise_context *context)  in osnoise_restore_timerlat_period_us()  argument
393 	if (context->orig_timerlat_period_us == OSNOISE_TIME_INIT_VAL)  in osnoise_restore_timerlat_period_us()
396 	if (context->orig_timerlat_period_us == context->timerlat_period_us)  in osnoise_restore_timerlat_period_us()
399 	retval = osnoise_write_ll_config("osnoise/timerlat_period_us", context->orig_timerlat_period_us);  in osnoise_restore_timerlat_period_us()
404 	context->timerlat_period_us = OSNOISE_TIME_INIT_VAL;  in osnoise_restore_timerlat_period_us()
410 void osnoise_put_timerlat_period_us(struct osnoise_context *context)  in osnoise_put_timerlat_period_us()  argument
412 	osnoise_restore_timerlat_period_us(context);  in osnoise_put_timerlat_period_us()
414 	if (context->orig_timerlat_period_us == OSNOISE_TIME_INIT_VAL)  in osnoise_put_timerlat_period_us()
417 	context->orig_timerlat_period_us = OSNOISE_TIME_INIT_VAL;  in osnoise_put_timerlat_period_us()
424 osnoise_get_stop_us(struct osnoise_context *context)  in osnoise_get_stop_us()  argument
428 	if (context->stop_us != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_stop_us()
429 		return context->stop_us;  in osnoise_get_stop_us()
431 	if (context->orig_stop_us != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_stop_us()
432 		return context->orig_stop_us;  in osnoise_get_stop_us()
438 	context->orig_stop_us = stop_us;  in osnoise_get_stop_us()
448 int osnoise_set_stop_us(struct osnoise_context *context, long long stop_us)  in osnoise_set_stop_us()  argument
450 	long long curr_stop_us = osnoise_get_stop_us(context);  in osnoise_set_stop_us()
460 	context->stop_us = stop_us;  in osnoise_set_stop_us()
468 void osnoise_restore_stop_us(struct osnoise_context *context)  in osnoise_restore_stop_us()  argument
472 	if (context->orig_stop_us == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_stop_us()
475 	if (context->orig_stop_us == context->stop_us)  in osnoise_restore_stop_us()
478 	retval = osnoise_write_ll_config("osnoise/stop_tracing_us", context->orig_stop_us);  in osnoise_restore_stop_us()
483 	context->stop_us = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_stop_us()
489 void osnoise_put_stop_us(struct osnoise_context *context)  in osnoise_put_stop_us()  argument
491 	osnoise_restore_stop_us(context);  in osnoise_put_stop_us()
493 	if (context->orig_stop_us == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_stop_us()
496 	context->orig_stop_us = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_stop_us()
503 osnoise_get_stop_total_us(struct osnoise_context *context)  in osnoise_get_stop_total_us()  argument
507 	if (context->stop_total_us != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_stop_total_us()
508 		return context->stop_total_us;  in osnoise_get_stop_total_us()
510 	if (context->orig_stop_total_us != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_stop_total_us()
511 		return context->orig_stop_total_us;  in osnoise_get_stop_total_us()
517 	context->orig_stop_total_us = stop_total_us;  in osnoise_get_stop_total_us()
527 int osnoise_set_stop_total_us(struct osnoise_context *context, long long stop_total_us)  in osnoise_set_stop_total_us()  argument
529 	long long curr_stop_total_us = osnoise_get_stop_total_us(context);  in osnoise_set_stop_total_us()
539 	context->stop_total_us = stop_total_us;  in osnoise_set_stop_total_us()
547 void osnoise_restore_stop_total_us(struct osnoise_context *context)  in osnoise_restore_stop_total_us()  argument
551 	if (context->orig_stop_total_us == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_stop_total_us()
554 	if (context->orig_stop_total_us == context->stop_total_us)  in osnoise_restore_stop_total_us()
558 			context->orig_stop_total_us);  in osnoise_restore_stop_total_us()
563 	context->stop_total_us = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_stop_total_us()
569 void osnoise_put_stop_total_us(struct osnoise_context *context)  in osnoise_put_stop_total_us()  argument
571 	osnoise_restore_stop_total_us(context);  in osnoise_put_stop_total_us()
573 	if (context->orig_stop_total_us == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_stop_total_us()
576 	context->orig_stop_total_us = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_stop_total_us()
583 osnoise_get_print_stack(struct osnoise_context *context)  in osnoise_get_print_stack()  argument
587 	if (context->print_stack != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_print_stack()
588 		return context->print_stack;  in osnoise_get_print_stack()
590 	if (context->orig_print_stack != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_print_stack()
591 		return context->orig_print_stack;  in osnoise_get_print_stack()
597 	context->orig_print_stack = print_stack;  in osnoise_get_print_stack()
607 int osnoise_set_print_stack(struct osnoise_context *context, long long print_stack)  in osnoise_set_print_stack()  argument
609 	long long curr_print_stack = osnoise_get_print_stack(context);  in osnoise_set_print_stack()
619 	context->print_stack = print_stack;  in osnoise_set_print_stack()
627 void osnoise_restore_print_stack(struct osnoise_context *context)  in osnoise_restore_print_stack()  argument
631 	if (context->orig_print_stack == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_print_stack()
634 	if (context->orig_print_stack == context->print_stack)  in osnoise_restore_print_stack()
637 	retval = osnoise_write_ll_config("osnoise/print_stack", context->orig_print_stack);  in osnoise_restore_print_stack()
642 	context->print_stack = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_print_stack()
648 void osnoise_put_print_stack(struct osnoise_context *context)  in osnoise_put_print_stack()  argument
650 	osnoise_restore_print_stack(context);  in osnoise_put_print_stack()
652 	if (context->orig_print_stack == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_print_stack()
655 	context->orig_print_stack = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_print_stack()
662 osnoise_get_tracing_thresh(struct osnoise_context *context)  in osnoise_get_tracing_thresh()  argument
666 	if (context->tracing_thresh != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_tracing_thresh()
667 		return context->tracing_thresh;  in osnoise_get_tracing_thresh()
669 	if (context->orig_tracing_thresh != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_tracing_thresh()
670 		return context->orig_tracing_thresh;  in osnoise_get_tracing_thresh()
676 	context->orig_tracing_thresh = tracing_thresh;  in osnoise_get_tracing_thresh()
686 int osnoise_set_tracing_thresh(struct osnoise_context *context, long long tracing_thresh)  in osnoise_set_tracing_thresh()  argument
688 	long long curr_tracing_thresh = osnoise_get_tracing_thresh(context);  in osnoise_set_tracing_thresh()
698 	context->tracing_thresh = tracing_thresh;  in osnoise_set_tracing_thresh()
706 void osnoise_restore_tracing_thresh(struct osnoise_context *context)  in osnoise_restore_tracing_thresh()  argument
710 	if (context->orig_tracing_thresh == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_tracing_thresh()
713 	if (context->orig_tracing_thresh == context->tracing_thresh)  in osnoise_restore_tracing_thresh()
716 	retval = osnoise_write_ll_config("tracing_thresh", context->orig_tracing_thresh);  in osnoise_restore_tracing_thresh()
721 	context->tracing_thresh = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_tracing_thresh()
727 void osnoise_put_tracing_thresh(struct osnoise_context *context)  in osnoise_put_tracing_thresh()  argument
729 	osnoise_restore_tracing_thresh(context);  in osnoise_put_tracing_thresh()
731 	if (context->orig_tracing_thresh == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_tracing_thresh()
734 	context->orig_tracing_thresh = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_tracing_thresh()
783 static int osnoise_get_irq_disable(struct osnoise_context *context)  in osnoise_get_irq_disable()  argument
785 	if (context->opt_irq_disable != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_irq_disable()
786 		return context->opt_irq_disable;  in osnoise_get_irq_disable()
788 	if (context->orig_opt_irq_disable != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_irq_disable()
789 		return context->orig_opt_irq_disable;  in osnoise_get_irq_disable()
791 	context->orig_opt_irq_disable = osnoise_options_get_option("OSNOISE_IRQ_DISABLE");  in osnoise_get_irq_disable()
793 	return context->orig_opt_irq_disable;  in osnoise_get_irq_disable()
796 int osnoise_set_irq_disable(struct osnoise_context *context, bool onoff)  in osnoise_set_irq_disable()  argument
798 	int opt_irq_disable = osnoise_get_irq_disable(context);  in osnoise_set_irq_disable()
811 	context->opt_irq_disable = onoff;  in osnoise_set_irq_disable()
816 static void osnoise_restore_irq_disable(struct osnoise_context *context)  in osnoise_restore_irq_disable()  argument
820 	if (context->orig_opt_irq_disable == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_irq_disable()
823 	if (context->orig_opt_irq_disable == context->opt_irq_disable)  in osnoise_restore_irq_disable()
826 	retval = osnoise_options_set_option("OSNOISE_IRQ_DISABLE", context->orig_opt_irq_disable);  in osnoise_restore_irq_disable()
831 	context->orig_opt_irq_disable = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_irq_disable()
834 static void osnoise_put_irq_disable(struct osnoise_context *context)  in osnoise_put_irq_disable()  argument
836 	osnoise_restore_irq_disable(context);  in osnoise_put_irq_disable()
838 	if (context->orig_opt_irq_disable == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_irq_disable()
841 	context->orig_opt_irq_disable = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_irq_disable()
844 static int osnoise_get_workload(struct osnoise_context *context)  in osnoise_get_workload()  argument
846 	if (context->opt_workload != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_workload()
847 		return context->opt_workload;  in osnoise_get_workload()
849 	if (context->orig_opt_workload != OSNOISE_OPTION_INIT_VAL)  in osnoise_get_workload()
850 		return context->orig_opt_workload;  in osnoise_get_workload()
852 	context->orig_opt_workload = osnoise_options_get_option("OSNOISE_WORKLOAD");  in osnoise_get_workload()
854 	return context->orig_opt_workload;  in osnoise_get_workload()
857 int osnoise_set_workload(struct osnoise_context *context, bool onoff)  in osnoise_set_workload()  argument
859 	int opt_workload = osnoise_get_workload(context);  in osnoise_set_workload()
872 	context->opt_workload = onoff;  in osnoise_set_workload()
877 static void osnoise_restore_workload(struct osnoise_context *context)  in osnoise_restore_workload()  argument
881 	if (context->orig_opt_workload == OSNOISE_OPTION_INIT_VAL)  in osnoise_restore_workload()
884 	if (context->orig_opt_workload == context->opt_workload)  in osnoise_restore_workload()
887 	retval = osnoise_options_set_option("OSNOISE_WORKLOAD", context->orig_opt_workload);  in osnoise_restore_workload()
892 	context->orig_opt_workload = OSNOISE_OPTION_INIT_VAL;  in osnoise_restore_workload()
895 static void osnoise_put_workload(struct osnoise_context *context)  in osnoise_put_workload()  argument
897 	osnoise_restore_workload(context);  in osnoise_put_workload()
899 	if (context->orig_opt_workload == OSNOISE_OPTION_INIT_VAL)  in osnoise_put_workload()
902 	context->orig_opt_workload = OSNOISE_OPTION_INIT_VAL;  in osnoise_put_workload()
929 int osnoise_get_context(struct osnoise_context *context)  in osnoise_get_context()  argument
933 	if (context->flags & FLAG_CONTEXT_DELETED) {  in osnoise_get_context()
936 		context->ref++;  in osnoise_get_context()
951 	struct osnoise_context *context;  in osnoise_context_alloc()  local
953 	context = calloc(1, sizeof(*context));  in osnoise_context_alloc()
954 	if (!context)  in osnoise_context_alloc()
957 	context->orig_stop_us		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
958 	context->stop_us		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
960 	context->orig_stop_total_us	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
961 	context->stop_total_us		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
963 	context->orig_print_stack	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
964 	context->print_stack		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
966 	context->orig_tracing_thresh	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
967 	context->tracing_thresh		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
969 	context->orig_opt_irq_disable	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
970 	context->opt_irq_disable	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
972 	context->orig_opt_workload	= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
973 	context->opt_workload		= OSNOISE_OPTION_INIT_VAL;  in osnoise_context_alloc()
975 	osnoise_get_context(context);  in osnoise_context_alloc()
977 	return context;  in osnoise_context_alloc()
986 void osnoise_put_context(struct osnoise_context *context)  in osnoise_put_context()  argument
988 	if (--context->ref < 1)  in osnoise_put_context()
989 		context->flags |= FLAG_CONTEXT_DELETED;  in osnoise_put_context()
991 	if (!(context->flags & FLAG_CONTEXT_DELETED))  in osnoise_put_context()
994 	osnoise_put_cpus(context);  in osnoise_put_context()
995 	osnoise_put_runtime_period(context);  in osnoise_put_context()
996 	osnoise_put_stop_us(context);  in osnoise_put_context()
997 	osnoise_put_stop_total_us(context);  in osnoise_put_context()
998 	osnoise_put_timerlat_period_us(context);  in osnoise_put_context()
999 	osnoise_put_print_stack(context);  in osnoise_put_context()
1000 	osnoise_put_tracing_thresh(context);  in osnoise_put_context()
1001 	osnoise_put_irq_disable(context);  in osnoise_put_context()
1002 	osnoise_put_workload(context);  in osnoise_put_context()
1004 	free(context);  in osnoise_put_context()
1017 	if (top->context)  in osnoise_destroy_tool()
1018 		osnoise_put_context(top->context);  in osnoise_destroy_tool()
1038 	top->context = osnoise_context_alloc();  in osnoise_init_tool()
1039 	if (!top->context)  in osnoise_init_tool()