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/**************************************************************************
*
* Copyright (C) 2019 Chromium.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "virgl_util.h"
#include <errno.h>
#ifdef HAVE_EVENTFD_H
#include <sys/eventfd.h>
#endif
#include <unistd.h>
#include "util/u_pointer.h"
#include <stdarg.h>
#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if ENABLE_TRACING == TRACE_WITH_PERFETTO
#include <vperfetto-min.h>
#endif
#if ENABLE_TRACING == TRACE_WITH_STDERR
#include <stdio.h>
#endif
unsigned hash_func_u32(void *key)
{
intptr_t ip = pointer_to_intptr(key);
return (unsigned)(ip & 0xffffffff);
}
int compare_func(void *key1, void *key2)
{
if (key1 < key2)
return -1;
if (key1 > key2)
return 1;
else
return 0;
}
bool has_eventfd(void)
{
#ifdef HAVE_EVENTFD_H
return true;
#else
return false;
#endif
}
int create_eventfd(unsigned int initval)
{
#ifdef HAVE_EVENTFD_H
return eventfd(initval, EFD_CLOEXEC | EFD_NONBLOCK);
#else
return -1;
#endif
}
int write_eventfd(int fd, uint64_t val)
{
const char *buf = (const char *)&val;
size_t count = sizeof(val);
ssize_t ret = 0;
while (count) {
ret = write(fd, buf, count);
if (ret < 0) {
if (errno == EINTR)
continue;
break;
}
count -= ret;
buf += ret;
}
return count ? -1 : 0;
}
void flush_eventfd(int fd)
{
ssize_t len;
uint64_t value;
do {
len = read(fd, &value, sizeof(value));
} while ((len == -1 && errno == EINTR) || len == sizeof(value));
}
#if ENABLE_TRACING == TRACE_WITH_PERCETTO
PERCETTO_CATEGORY_DEFINE(VIRGL_PERCETTO_CATEGORIES)
void trace_init(void)
{
PERCETTO_INIT(PERCETTO_CLOCK_DONT_CARE);
}
#endif
#if ENABLE_TRACING == TRACE_WITH_PERFETTO
void trace_init(void)
{
struct vperfetto_min_config config = {
.init_flags = VPERFETTO_INIT_FLAG_USE_SYSTEM_BACKEND,
.filename = NULL,
.shmem_size_hint_kb = 32 * 1024,
};
vperfetto_min_startTracing(&config);
}
const char *trace_begin(const char *scope)
{
vperfetto_min_beginTrackEvent_VMM(scope);
return scope;
}
void trace_end(const char **dummy)
{
(void)dummy;
vperfetto_min_endTrackEvent_VMM();
}
#endif
#if ENABLE_TRACING == TRACE_WITH_STDERR
static int nesting_depth = 0;
void trace_init(void)
{
}
const char *trace_begin(const char *scope)
{
for (int i = 0; i < nesting_depth; ++i)
fprintf(stderr, " ");
fprintf(stderr, "ENTER:%s\n", scope);
nesting_depth++;
return scope;
}
void trace_end(const char **func_name)
{
--nesting_depth;
for (int i = 0; i < nesting_depth; ++i)
fprintf(stderr, " ");
fprintf(stderr, "LEAVE %s\n", *func_name);
}
#endif
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