osfmk/pmc/pmc.c

141  * @member method A pointer to a method to call to handle PMI.
144  * @member refCon Passed to the @method method as the refCon argument.
148 	volatile pmc_interrupt_method_t method;
457  * If found, the method returns the perf_monitor_t with an extra reference
800  * This method will inspect the task/thread of the reservation to see if it
875  * determined by the reservation's scope flags). Further, this method returns
1044 #error pmc_reservation_interrupt needs an inter-processor method invocation mechanism for this architecture
1057  * NOTE: The scope flag must have been set for this method to function.
1621  * NOTE: This method is interrupt safe.
1640 		/* We are in context, but the reservation may have already had the context_in method run.  Attempt
1670  * method is called. This method marks the reservation as stopped, and passes
1671  * control off to the user-registered callback method, along with the
1674  * This method assumes the reservation has a valid pmc_config_t within.
1715 	assert(reservation->config->method);
1722 	(void)reservation->config->method(reservation, refCon);
1727 		kprintf("%s - user method %p took %llu ns\n", __FUNCTION__,
1728 				reservation->config->method, (end - start));
1874  * perf_monitor_register before this method will succeed.
2006  * NOTE: This method is not interrupt safe.
2026 			tmp->method = NULL;
2045  * NOTE: This method is not interrupt safe.
2062  * NOTE: This method is not interrupt safe.
2093  * NOTE: This method is not interrupt safe.
2096 	uint64_t threshold, pmc_interrupt_method_t method, void *refCon) {
2112 		 * it.  However, in order to have the PMI method have the reservation as
2113 		 * the first argument (in order to allow the user-method to, for
2116 		 * We overcome this by caching the method in the pmc_config_t stand-in,
2123 		config->method = method;
2140  * NOTE: This method is not interrupt safe.
2197  * NOTE: This method is not interrupt safe.
2284  * NOTE: Driver authors must take care to not allocate during this method, as
2285  * this method *IS* interrupt safe.
2300  * NOTE: This method is interrupt safe.
2323 	if(config->interrupt_after_value && config->method) {
2351  * configuration object, for counting system-wide. This method will fail with
2354  * This method consumes the given configuration object if it returns
2358  * NOTE: This method is NOT interrupt safe.
2401  * logical core that can directly access the given @pmc.  This method will fail
2405  * This method consumes the given configuration object if it returns
2410  * NOTE: This method is NOT interrupt safe.
2460  * logical core that can directly access the given @pmc.  This method will fail
2464  * This method consumes the given configuration object if it returns
2469  * NOTE: This method is NOT interrupt safe.
2519  * NOTE: This method is interrupt safe.
2549  * soon as possible.  When this method returns, the pmc will be marked as stopping
2589  * NOTE: This method is interrupt safe.
2590  * NOTE: When not on the interrupt stack, this method may block.
2648  * NOTE: This method is interrupt safe.
2649  * NOTE: When not on the interrupt stack, this method may block.
2700  * NOTE: This method is NOT interrupt safe.
2796  * NOTE: This method IS interrupt safe.
2890 	pmc_interrupt_method_t method __unused, void *refCon __unused) {