granicus.if.org Git - strace/blob - tests/getrusage.c

   1 /*
   2  * Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
   3  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
   4  * Copyright (c) 2016-2017 The strace developers.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "tests.h"
  31 #include <asm/unistd.h>
  32
  33 #ifdef __NR_getrusage
  34
  35 # include <stdio.h>
  36 # include <stdint.h>
  37 # include <sys/resource.h>
  38 # include <unistd.h>
  39 # include <errno.h>
  40
  41 # include "xlat.h"
  42 # include "xlat/usagewho.h"
  43
  44 int
  45 invoke_print(int who, const char *who_str, struct rusage *usage)
  46 {
  47         int rc = syscall(__NR_getrusage, who, usage);
  48         int saved_errno = errno;
  49         printf("getrusage(%s, {ru_utime={tv_sec=%lld, tv_usec=%llu}"
  50                ", ru_stime={tv_sec=%lld, tv_usec=%llu}, ru_maxrss=%lu"
  51                ", ru_ixrss=%lu, ru_idrss=%lu, ru_isrss=%lu, ru_minflt=%lu"
  52                ", ru_majflt=%lu, ru_nswap=%lu, ru_inblock=%lu"
  53                ", ru_oublock=%lu, ru_msgsnd=%lu, ru_msgrcv=%lu"
  54                ", ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}) = %s\n",
  55                who_str,
  56                (long long) usage->ru_utime.tv_sec,
  57                zero_extend_signed_to_ull(usage->ru_utime.tv_usec),
  58                (long long) usage->ru_stime.tv_sec,
  59                zero_extend_signed_to_ull(usage->ru_stime.tv_usec),
  60                usage->ru_maxrss, usage->ru_ixrss, usage->ru_idrss,
  61                usage->ru_isrss, usage->ru_minflt, usage->ru_majflt,
  62                usage->ru_nswap, usage->ru_inblock, usage->ru_oublock,
  63                usage->ru_msgsnd, usage->ru_msgrcv, usage->ru_nsignals,
  64                usage->ru_nvcsw, usage->ru_nivcsw, sprintrc(rc));
  65         errno = saved_errno;
  66         return rc;
  67 }
  68
  69 int
  70 main(void)
  71 {
  72         TAIL_ALLOC_OBJECT_CONST_PTR(struct rusage, usage);
  73         if (invoke_print(ARG_STR(RUSAGE_SELF), usage)) {
  74                 perror_msg_and_fail("RUSAGE_SELF");
  75         }
  76         if (invoke_print(ARG_STR(RUSAGE_THREAD), usage) && errno != EINVAL) {
  77                 perror_msg_and_fail("RUSAGE_THREAD");
  78         }
  79
  80         puts("+++ exited with 0 +++");
  81         return 0;
  82 }
  83
  84 #else
  85
  86 SKIP_MAIN_UNDEFINED("__NR_getrusage")
  87
  88 #endif