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References: <e479c654b6ca08057bf18a4e1c1d1ed3cdf8fdc8.camel@rajagiritech.edu.in>
In-Reply-To: <e479c654b6ca08057bf18a4e1c1d1ed3cdf8fdc8.camel@rajagiritech.edu.in>
From:   Jeffrin Thalakkottoor <jeffrin@rajagiritech.edu.in>
Date:   Tue, 15 Dec 2020 18:35:24 +0530
Message-ID: <CAG=yYwmN9vw4RqQ1pmF9oFx9BtS=npOBakMr1GO2WaHF7t1wrg@mail.gmail.com>
Subject: [WARNING ]Re: related to fixing depreciated api
To:     Shuah Khan <shuah@kernel.org>
Cc:     "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        lkml <linux-kernel@vger.kernel.org>
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On Mon, Dec 14, 2020 at 10:12 PM Jeffrin Jose T
<jeffrin@rajagiritech.edu.in> wrote:
>
> hello,
>
> i have worked on to  fix  depreciated api issue from
> tools/testing/selftests/intel_pstate/aerf.c
>
> i met with the following error related...
>
> --------------x------------------x----------------->
> $pwd
> /home/jeffrin/UP/linux-kselftest/tools/testing/selftests/intel_pstate
> $make
> gcc  -Wall -D_GNU_SOURCE    aperf.c /home/jeffrin/UP/linux-
> kselftest/tools/testing/selftests/kselftest_harness.h
> /home/jeffrin/UP/linux-kselftest/tools/testing/selftests/kselftest.h -
> lm -o /home/jeffrin/UP/linux-
> kselftest/tools/testing/selftests/intel_pstate/aperf
> aperf.c: In function =E2=80=98main=E2=80=99:
> aperf.c:58:2: warning: =E2=80=98ftime=E2=80=99 is deprecated [-Wdeprecate=
d-
> declarations]
>    58 |  ftime(&before);
>       |  ^~~~~
> In file included from aperf.c:9:
> /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here
>    39 | extern int ftime (struct timeb *__timebuf)
>       |            ^~~~~
> aperf.c:67:2: warning: =E2=80=98ftime=E2=80=99 is deprecated [-Wdeprecate=
d-
> declarations]
>    67 |  ftime(&after);
>       |  ^~~~~
> In file included from aperf.c:9:
> /usr/include/x86_64-linux-gnu/sys/timeb.h:39:12: note: declared here
>    39 | extern int ftime (struct timeb *__timebuf)
>       |            ^~~~~
> $
> ----------------x---------------x---------------------->
>
>
> from ftime manual  i found that it is depreciated...
>
> This  function is deprecated, and will be removed in a future version
> of the GNU C library.  Use clock_gettime(2) instead.
>
>
> now clock_gettime  gives  new data structure.
>
>  struct timespec {
>                time_t   tv_sec;        /* seconds */
>                long     tv_nsec;       /* nanoseconds */
>            };
>
>
> i worked on with the new data structure and some errors that came
> along.
> typical final output looks good but  values of runtime and typical
> frequency
> does not look normal during "sudo bash run.sh".
>
> output of "git diff" and  a  portion of output of   "sudo bash run.sh".
> is attached.
>
>
>
> --
> software engineer
> rajagiri school of engineering and technology - autonomous
>
>


--=20
software engineer
rajagiri school of engineering and technology

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