WSL2-Linux-Kernel/tools/perf/trace/beauty/sync_file_range.c

32 строки
1.1 KiB
C

// SPDX-License-Identifier: LGPL-2.1
/*
* trace/beauty/sync_file_range.c
*
* Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "trace/beauty/beauty.h"
#include <linux/log2.h>
#include <uapi/linux/fs.h>
static size_t sync_file_range__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
{
#include "trace/beauty/generated/sync_file_range_arrays.c"
static DEFINE_STRARRAY(sync_file_range_flags, "SYNC_FILE_RANGE_");
size_t printed = 0;
if ((flags & SYNC_FILE_RANGE_WRITE_AND_WAIT) == SYNC_FILE_RANGE_WRITE_AND_WAIT) {
printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? "SYNC_FILE_RANGE_" : "", "WRITE_AND_WAIT");
flags &= ~SYNC_FILE_RANGE_WRITE_AND_WAIT;
}
return printed + strarray__scnprintf_flags(&strarray__sync_file_range_flags, bf + printed, size - printed, show_prefix, flags);
}
size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long flags = arg->val;
return sync_file_range__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
}