/*
* Copyright (c) 2016 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@
*/
#include <kperf/task_samplers.h>
#include <kperf/context.h>
#include <kperf/buffer.h>
#include <kern/thread.h>
#include <kern/task.h>
extern void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty,
boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit);
void
kperf_task_snapshot_sample(task_t task, struct kperf_task_snapshot *tksn)
{
BUF_INFO(PERF_TK_SNAP_SAMPLE | DBG_FUNC_START);
assert(tksn != NULL);
tksn->kptksn_flags = 0;
if (task->effective_policy.tep_darwinbg) {
tksn->kptksn_flags |= KPERF_TASK_FLAG_DARWIN_BG;
}
if (task->requested_policy.trp_role == TASK_FOREGROUND_APPLICATION) {
tksn->kptksn_flags |= KPERF_TASK_FLAG_FOREGROUND;
}
if (task->requested_policy.trp_boosted == 1) {
tksn->kptksn_flags |= KPERF_TASK_FLAG_BOOSTED;
}
#if CONFIG_MEMORYSTATUS
boolean_t dirty = FALSE, dirty_tracked = FALSE, allow_idle_exit = FALSE;
memorystatus_proc_flags_unsafe(get_bsdtask_info(task), &dirty, &dirty_tracked, &allow_idle_exit);
if (dirty) {
tksn->kptksn_flags |= KPERF_TASK_FLAG_DIRTY;
}
if (dirty_tracked) {
tksn->kptksn_flags |= KPERF_TASK_FLAG_DIRTY_TRACKED;
}
if (allow_idle_exit) {
tksn->kptksn_flags |= KPERF_TASK_ALLOW_IDLE_EXIT;
}
#endif
tksn->kptksn_suspend_count = task->suspend_count;
tksn->kptksn_pageins = (integer_t) MIN(counter_load(&task->pageins), INT32_MAX);
struct recount_times_mach times = recount_task_terminated_times(task);
tksn->kptksn_user_time_in_terminated_threads = times.rtm_user;
tksn->kptksn_system_time_in_terminated_threads = times.rtm_system;
BUF_INFO(PERF_TK_SNAP_SAMPLE | DBG_FUNC_END);
}
void
kperf_task_snapshot_log(struct kperf_task_snapshot *tksn)
{
assert(tksn != NULL);
#if defined(__LP64__)
BUF_DATA(PERF_TK_SNAP_DATA, tksn->kptksn_flags,
ENCODE_UPPER_64(tksn->kptksn_suspend_count) |
ENCODE_LOWER_64(tksn->kptksn_pageins),
tksn->kptksn_user_time_in_terminated_threads,
tksn->kptksn_system_time_in_terminated_threads);
#else
BUF_DATA(PERF_TK_SNAP_DATA1_32, UPPER_32(tksn->kptksn_flags),
LOWER_32(tksn->kptksn_flags),
tksn->kptksn_suspend_count,
tksn->kptksn_pageins);
BUF_DATA(PERF_TK_SNAP_DATA2_32, UPPER_32(tksn->kptksn_user_time_in_terminated_threads),
LOWER_32(tksn->kptksn_user_time_in_terminated_threads),
UPPER_32(tksn->kptksn_system_time_in_terminated_threads),
LOWER_32(tksn->kptksn_system_time_in_terminated_threads));
#endif /* defined(__LP64__) */
}
void
kperf_task_info_log(struct kperf_context *ctx)
{
assert(ctx != NULL);
BUF_DATA(PERF_TK_INFO_DATA, ctx->cur_pid);
}