thread_samplers.h   [plain text]


/*
 * Copyright (c) 2011 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#ifndef KPERF_THREAD_SAMPLERS_H
#define KPERF_THREAD_SAMPLERS_H

#include <kperf/context.h>

/* legacy thread info */
struct kperf_thread_info {
	uint64_t kpthi_pid;
	uint64_t kpthi_tid;
	uint64_t kpthi_dq_addr;
	uint64_t kpthi_runmode;
};

void kperf_thread_info_sample(struct kperf_thread_info *,
                              struct kperf_context *);
void kperf_thread_info_log(struct kperf_thread_info *);

/* scheduling information */
struct kperf_thread_scheduling {
	uint64_t kpthsc_user_time;
	uint64_t kpthsc_system_time;
	unsigned int kpthsc_state;
	uint16_t kpthsc_base_priority;
	uint16_t kpthsc_sched_priority;
	unsigned int kpthsc_effective_qos : 3;
	unsigned int kpthsc_requested_qos : 3;
	unsigned int kpthsc_requested_qos_override : 3;
	unsigned int kpthsc_effective_latency_qos : 3;
};

void kperf_thread_scheduling_sample(struct kperf_thread_scheduling *,
                                    struct kperf_context *);
void kperf_thread_scheduling_log(struct kperf_thread_scheduling *);

/* thread snapshot information */
struct kperf_thread_snapshot {
	uint64_t kpthsn_last_made_runnable_time;
	int16_t kpthsn_suspend_count;
	uint8_t kpthsn_io_tier;
	uint8_t kpthsn_flags;
};

void kperf_thread_snapshot_sample(struct kperf_thread_snapshot *,
                                  struct kperf_context *);
void kperf_thread_snapshot_log(struct kperf_thread_snapshot *);

/* libdispatch information */
struct kperf_thread_dispatch {
	uint64_t kpthdi_dq_serialno;
};

void kperf_thread_dispatch_sample(struct kperf_thread_dispatch *,
                                  struct kperf_context *);
int kperf_thread_dispatch_pend(struct kperf_context *);
void kperf_thread_dispatch_log(struct kperf_thread_dispatch *);

#endif /* !defined(KPERF_THREAD_SAMPLERS_H) */