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// SPDX-License-Identifier: LGPL-2.1
/*
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
*
*/
#include "event-parse.h"
#include "event-parse-local.h"
#include "event-utils.h"
/**
* tep_get_first_event - returns the first event in the events array
* @tep: a handle to the tep_handle
*
* This returns pointer to the first element of the events array
* If @tep is NULL, NULL is returned.
*/
struct tep_event *tep_get_first_event(struct tep_handle *tep)
{
if (tep && tep->events)
return tep->events[0];
return NULL;
}
/**
* tep_get_events_count - get the number of defined events
* @tep: a handle to the tep_handle
*
* This returns number of elements in event array
* If @tep is NULL, 0 is returned.
*/
int tep_get_events_count(struct tep_handle *tep)
{
if(tep)
return tep->nr_events;
return 0;
}
/**
* tep_set_flag - set event parser flag
* @tep: a handle to the tep_handle
* @flag: flag, or combination of flags to be set
* can be any combination from enum tep_flag
*
* This sets a flag or mbination of flags from enum tep_flag
*/
void tep_set_flag(struct tep_handle *tep, int flag)
{
if(tep)
tep->flags |= flag;
}
unsigned short tep_data2host2(struct tep_handle *pevent, unsigned short data)
{
unsigned short swap;
if (!pevent || pevent->host_bigendian == pevent->file_bigendian)
return data;
swap = ((data & 0xffULL) << 8) |
((data & (0xffULL << 8)) >> 8);
return swap;
}
unsigned int tep_data2host4(struct tep_handle *pevent, unsigned int data)
{
unsigned int swap;
if (!pevent || pevent->host_bigendian == pevent->file_bigendian)
return data;
swap = ((data & 0xffULL) << 24) |
((data & (0xffULL << 8)) << 8) |
((data & (0xffULL << 16)) >> 8) |
((data & (0xffULL << 24)) >> 24);
return swap;
}
unsigned long long
tep_data2host8(struct tep_handle *pevent, unsigned long long data)
{
unsigned long long swap;
if (!pevent || pevent->host_bigendian == pevent->file_bigendian)
return data;
swap = ((data & 0xffULL) << 56) |
((data & (0xffULL << 8)) << 40) |
((data & (0xffULL << 16)) << 24) |
((data & (0xffULL << 24)) << 8) |
((data & (0xffULL << 32)) >> 8) |
((data & (0xffULL << 40)) >> 24) |
((data & (0xffULL << 48)) >> 40) |
((data & (0xffULL << 56)) >> 56);
return swap;
}
/**
* tep_get_header_page_size - get size of the header page
* @pevent: a handle to the tep_handle
*
* This returns size of the header page
* If @pevent is NULL, 0 is returned.
*/
int tep_get_header_page_size(struct tep_handle *pevent)
{
if(pevent)
return pevent->header_page_size_size;
return 0;
}
/**
* tep_get_cpus - get the number of CPUs
* @pevent: a handle to the tep_handle
*
* This returns the number of CPUs
* If @pevent is NULL, 0 is returned.
*/
int tep_get_cpus(struct tep_handle *pevent)
{
if(pevent)
return pevent->cpus;
return 0;
}
/**
* tep_set_cpus - set the number of CPUs
* @pevent: a handle to the tep_handle
*
* This sets the number of CPUs
*/
void tep_set_cpus(struct tep_handle *pevent, int cpus)
{
if(pevent)
pevent->cpus = cpus;
}
/**
* tep_get_long_size - get the size of a long integer on the current machine
* @pevent: a handle to the tep_handle
*
* This returns the size of a long integer on the current machine
* If @pevent is NULL, 0 is returned.
*/
int tep_get_long_size(struct tep_handle *pevent)
{
if(pevent)
return pevent->long_size;
return 0;
}
/**
* tep_set_long_size - set the size of a long integer on the current machine
* @pevent: a handle to the tep_handle
* @size: size, in bytes, of a long integer
*
* This sets the size of a long integer on the current machine
*/
void tep_set_long_size(struct tep_handle *pevent, int long_size)
{
if(pevent)
pevent->long_size = long_size;
}
/**
* tep_get_page_size - get the size of a memory page on the current machine
* @pevent: a handle to the tep_handle
*
* This returns the size of a memory page on the current machine
* If @pevent is NULL, 0 is returned.
*/
int tep_get_page_size(struct tep_handle *pevent)
{
if(pevent)
return pevent->page_size;
return 0;
}
/**
* tep_set_page_size - set the size of a memory page on the current machine
* @pevent: a handle to the tep_handle
* @_page_size: size of a memory page, in bytes
*
* This sets the size of a memory page on the current machine
*/
void tep_set_page_size(struct tep_handle *pevent, int _page_size)
{
if(pevent)
pevent->page_size = _page_size;
}
/**
* tep_is_file_bigendian - get if the file is in big endian order
* @pevent: a handle to the tep_handle
*
* This returns if the file is in big endian order
* If @pevent is NULL, 0 is returned.
*/
int tep_is_file_bigendian(struct tep_handle *pevent)
{
if(pevent)
return pevent->file_bigendian;
return 0;
}
/**
* tep_set_file_bigendian - set if the file is in big endian order
* @pevent: a handle to the tep_handle
* @endian: non zero, if the file is in big endian order
*
* This sets if the file is in big endian order
*/
void tep_set_file_bigendian(struct tep_handle *pevent, enum tep_endian endian)
{
if(pevent)
pevent->file_bigendian = endian;
}
/**
* tep_is_host_bigendian - get if the order of the current host is big endian
* @pevent: a handle to the tep_handle
*
* This gets if the order of the current host is big endian
* If @pevent is NULL, 0 is returned.
*/
int tep_is_host_bigendian(struct tep_handle *pevent)
{
if(pevent)
return pevent->host_bigendian;
return 0;
}
/**
* tep_set_host_bigendian - set the order of the local host
* @pevent: a handle to the tep_handle
* @endian: non zero, if the local host has big endian order
*
* This sets the order of the local host
*/
void tep_set_host_bigendian(struct tep_handle *pevent, enum tep_endian endian)
{
if(pevent)
pevent->host_bigendian = endian;
}
/**
* tep_is_latency_format - get if the latency output format is configured
* @pevent: a handle to the tep_handle
*
* This gets if the latency output format is configured
* If @pevent is NULL, 0 is returned.
*/
int tep_is_latency_format(struct tep_handle *pevent)
{
if(pevent)
return pevent->latency_format;
return 0;
}
/**
* tep_set_latency_format - set the latency output format
* @pevent: a handle to the tep_handle
* @lat: non zero for latency output format
*
* This sets the latency output format
*/
void tep_set_latency_format(struct tep_handle *pevent, int lat)
{
if(pevent)
pevent->latency_format = lat;
}
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