tools/perf/trace/beauty/sync_file_range.c

   1 // SPDX-License-Identifier: LGPL-2.1
   2 /*
   3  * trace/beauty/sync_file_range.c
   4  *
   5  *  Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
   6  */
   7
   8 #include "trace/beauty/beauty.h"
   9 #include <linux/log2.h>
  10 #include <uapi/linux/fs.h>
  11
  12 static size_t sync_file_range__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
  13 {
  14 #include "trace/beauty/generated/sync_file_range_arrays.c"
  15        static DEFINE_STRARRAY(sync_file_range_flags, "SYNC_FILE_RANGE_");
  16        size_t printed = 0;
  17
  18        if ((flags & SYNC_FILE_RANGE_WRITE_AND_WAIT) == SYNC_FILE_RANGE_WRITE_AND_WAIT) {
  19                printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? "SYNC_FILE_RANGE_" : "", "WRITE_AND_WAIT");
  20                flags &= ~SYNC_FILE_RANGE_WRITE_AND_WAIT;
  21        }
  22
  23        return printed + strarray__scnprintf_flags(&strarray__sync_file_range_flags, bf + printed, size - printed, show_prefix, flags);
  24 }
  25
  26 size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg)
  27 {
  28         unsigned long flags = arg->val;
  29
  30         return sync_file_range__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
  31 }