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bsd/sys/stackshot.h xnu-12377.101.15 /dev/null
--- xnu/xnu-12377.101.15/bsd/sys/stackshot.h
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-/*
- * Copyright (c) 2014 Apple 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 _SYS_STACKSHOT_H
-#define _SYS_STACKSHOT_H
-
-#include <stdint.h>
-
-#define STACKSHOT_CONFIG_TYPE 1
-
-typedef struct stackshot_config {
-	/* Input options */
-	int             sc_pid;                 /* PID to trace, or -1 for the entire system */
-	uint64_t        sc_flags;               /* Stackshot flags */
-	uint64_t        sc_delta_timestamp;     /* Retrieve a delta stackshot of system state that has changed since this time */
-
-	/* Stackshot results */
-	uint64_t        sc_buffer;              /* Pointer to stackshot buffer */
-	uint32_t        sc_size;                /* Length of the stackshot buffer */
-
-	/* Internals */
-	uint64_t        sc_out_buffer_addr;     /* Location where the kernel should copy the address of the newly mapped buffer in user space */
-	uint64_t        sc_out_size_addr;       /* Location where the kernel should copy the size of the stackshot buffer */
-	uint64_t                sc_pagetable_mask;      /* Mask of page table levels to dump, must pass STACKSHOT_PAGE_TABLES */
-} stackshot_config_t;
-
-typedef struct stackshot_stats {
-	uint64_t        ss_last_start;          /* mach_absolute_time of last start */
-	uint64_t        ss_last_end;            /* mach_absolute_time of last end */
-	uint64_t        ss_count;               /* count of stackshots taken */
-	uint64_t        ss_duration;            /* sum(mach_absolute_time) of taken stackshots */
-} stackshot_stats_t;
-
-#ifndef KERNEL
-
-stackshot_config_t * stackshot_config_create(void);
-int stackshot_config_set_pid(stackshot_config_t * stackshot_config, int pid);
-int stackshot_config_set_flags(stackshot_config_t * stackshot_config, uint64_t flags);
-int stackshot_capture_with_config(stackshot_config_t * stackshot_config);
-void * stackshot_config_get_stackshot_buffer(stackshot_config_t * stackshot_config);
-uint32_t stackshot_config_get_stackshot_size(stackshot_config_t * stackshot_config);
-int stackshot_config_set_size_hint(stackshot_config_t * stackshot_config, uint32_t suggested_size);
-int stackshot_config_set_delta_timestamp(stackshot_config_t * stackshot_config, uint64_t delta_timestamp);
-int stackshot_config_set_pagetable_mask(stackshot_config_t * stackshot_config, uint32_t mask);
-int stackshot_config_dealloc_buffer(stackshot_config_t * stackshot_config);
-int stackshot_config_dealloc(stackshot_config_t * stackshot_config);
-
-#endif /* ! KERNEL */
-
-#endif /* _SYS_STACKSHOT_H */