Re: related to fixing depreciated api

2020-12-15 Thread Jeffrin Jose T
On Tue, 2020-12-15 at 12:52 -0700, Shuah Khan wrote:
> On 12/15/20 9:12 AM, Shuah Khan wrote:
> > On 12/14/20 9:42 AM, Jeffrin Jose T 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 ‘main’:
> > > aperf.c:58:2: warning: ‘ftime’ is deprecated [-Wdeprecated-
> > > declarations]
> > >     58 |  ftime();
> > >    |  ^
> > > 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: ‘ftime’ is deprecated [-Wdeprecated-
> > > declarations]
> > >     67 |  ftime();
> > >    |  ^
> > > 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.
> > > 
> > 
> > Please send a proper patch to fix intel_pstate to use
> > clock_gettime.
> > 
> 
> The fix for this is already in next - no need to send patch.
> 
> thanks,
> -- Shuah
> 
anyway thanks .


-- 
software engineer
rajagiri school of engineering and technology - autonomous




Re: related to fixing depreciated api

2020-12-15 Thread Shuah Khan

On 12/15/20 9:12 AM, Shuah Khan wrote:

On 12/14/20 9:42 AM, Jeffrin Jose T 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 ‘main’:
aperf.c:58:2: warning: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
    58 |  ftime();
   |  ^
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: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
    67 |  ftime();
   |  ^
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.



Please send a proper patch to fix intel_pstate to use clock_gettime.



The fix for this is already in next - no need to send patch.

thanks,
-- Shuah



Re: related to fixing depreciated api

2020-12-15 Thread Shuah Khan

On 12/14/20 9:42 AM, Jeffrin Jose T 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_SOURCEaperf.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 ‘main’:
aperf.c:58:2: warning: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
58 |  ftime();
   |  ^
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: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
67 |  ftime();
   |  ^
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.



Please send a proper patch to fix intel_pstate to use clock_gettime.

thanks,
-- Shuah



[WARNING ]Re: related to fixing depreciated api

2020-12-15 Thread Jeffrin Thalakkottoor
On Mon, Dec 14, 2020 at 10:12 PM Jeffrin Jose T
 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_SOURCEaperf.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 ‘main’:
> aperf.c:58:2: warning: ‘ftime’ is deprecated [-Wdeprecated-
> declarations]
>58 |  ftime();
>   |  ^
> 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: ‘ftime’ is deprecated [-Wdeprecated-
> declarations]
>67 |  ftime();
>   |  ^
> 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
>
>


-- 
software engineer
rajagiri school of engineering and technology
diff --git a/tools/testing/selftests/intel_pstate/aperf.c 
b/tools/testing/selftests/intel_pstate/aperf.c
index f6cd03a87493..7e35e7872f16 100644
--- a/tools/testing/selftests/intel_pstate/aperf.c
+++ b/tools/testing/selftests/intel_pstate/aperf.c
@@ -6,7 +6,7 @@
 #include 
 #include 
 #include 
-#include 
+#include 
 #include 
 #include 
 #include 
@@ -22,10 +22,12 @@ int main(int argc, char **argv) {
long long tsc, old_tsc, new_tsc;
long long aperf, old_aperf, new_aperf;
long long mperf, old_mperf, new_mperf;
-   struct timeb before, after;
+   struct timespec before, after;
+clockid_t clkid;
long long int start, finish, total;
cpu_set_t cpuset;
 
+
if (argc != 2) {
usage(argv[0]);
return 1;
@@ -41,6 +43,10 @@ int main(int argc, char **argv) {
 
sprintf(msr_file_name, "/dev/cpu/%d/msr", cpu);
fd = open(msr_file_name, O_RDONLY);
+#define CLOCKFD 3
+#define FD_TO_CLOCKID(fd)   ((~(clockid_t) (fd) << 3) | CLOCKFD)
+clkid = FD_TO_CLOCKID(fd);
+
 
if (fd == -1) {
printf("/dev/cpu/%d/msr: %s\n", cpu, strerror(errno));
@@ -55,7 +61,7 @@ int main(int argc, char **argv) {
return 1;
}
 
-   ftime();
+   clock_gettime(clkid,);
pread(fd, _tsc,  sizeof(old_tsc), 0x10);
pread(fd, _aperf,  sizeof(old_mperf), 0xe7);
pread(fd, _mperf,  sizeof(old_aperf), 0xe8);
@@ -64,7 +70,7 @@ int main(int argc, char **argv) {
sqrt(i);
}
 
-   ftime();
+   clock_gettime(clkid,);
pread(fd, _tsc,  sizeof(new_tsc), 0x10);
pread(fd, _aperf,  sizeof(new_mperf), 0xe7);
pread(fd, _mperf,  sizeof(new_aperf), 0xe8);
@@ -73,11 +79,10 @@ int main(int argc, char **argv) {
aperf = new_aperf-old_aperf;
mperf = new_mperf-old_mperf;
 
-   start = before.time*1000 + before.millitm;
-   finish = after.time*1000 + after.millitm;
-   total = finish - start;
-
-   printf("runTime: %4.2f\n", 1.0*total/1000);
-   printf("freq: %7.0f\n", tsc / (1.0*aperf / (1.0 * mperf)) / total);
+   start = before.tv_sec*100 + before.tv_nsec;
+   finish = after.tv_sec*100 + after.tv_nsec;
+   total = finish - start; 
+   printf("runTime: %4.2f\n", 1.0*total/100); 
+   printf("freq: %7.0f\n", tsc / (1.0 * aperf /1.0 * (mperf)) / total);
return 0;
 }
Setting maximum frequency to 500
launching aperf load on 0
launching aperf load on 1
launching aperf load on 2
launching aperf load on 3
sleeping for 5 seconds
waiting for job id 7521
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
waiting for job id 7522
waiting for job 

related to fixing depreciated api

2020-12-14 Thread Jeffrin Jose T
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_SOURCEaperf.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 ‘main’:
aperf.c:58:2: warning: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
   58 |  ftime();
  |  ^
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: ‘ftime’ is deprecated [-Wdeprecated-
declarations]
   67 |  ftime();
  |  ^
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


diff --git a/tools/testing/selftests/intel_pstate/aperf.c 
b/tools/testing/selftests/intel_pstate/aperf.c
index f6cd03a87493..7e35e7872f16 100644
--- a/tools/testing/selftests/intel_pstate/aperf.c
+++ b/tools/testing/selftests/intel_pstate/aperf.c
@@ -6,7 +6,7 @@
 #include 
 #include 
 #include 
-#include 
+#include 
 #include 
 #include 
 #include 
@@ -22,10 +22,12 @@ int main(int argc, char **argv) {
long long tsc, old_tsc, new_tsc;
long long aperf, old_aperf, new_aperf;
long long mperf, old_mperf, new_mperf;
-   struct timeb before, after;
+   struct timespec before, after;
+clockid_t clkid;
long long int start, finish, total;
cpu_set_t cpuset;
 
+
if (argc != 2) {
usage(argv[0]);
return 1;
@@ -41,6 +43,10 @@ int main(int argc, char **argv) {
 
sprintf(msr_file_name, "/dev/cpu/%d/msr", cpu);
fd = open(msr_file_name, O_RDONLY);
+#define CLOCKFD 3
+#define FD_TO_CLOCKID(fd)   ((~(clockid_t) (fd) << 3) | CLOCKFD)
+clkid = FD_TO_CLOCKID(fd);
+
 
if (fd == -1) {
printf("/dev/cpu/%d/msr: %s\n", cpu, strerror(errno));
@@ -55,7 +61,7 @@ int main(int argc, char **argv) {
return 1;
}
 
-   ftime();
+   clock_gettime(clkid,);
pread(fd, _tsc,  sizeof(old_tsc), 0x10);
pread(fd, _aperf,  sizeof(old_mperf), 0xe7);
pread(fd, _mperf,  sizeof(old_aperf), 0xe8);
@@ -64,7 +70,7 @@ int main(int argc, char **argv) {
sqrt(i);
}
 
-   ftime();
+   clock_gettime(clkid,);
pread(fd, _tsc,  sizeof(new_tsc), 0x10);
pread(fd, _aperf,  sizeof(new_mperf), 0xe7);
pread(fd, _mperf,  sizeof(new_aperf), 0xe8);
@@ -73,11 +79,10 @@ int main(int argc, char **argv) {
aperf = new_aperf-old_aperf;
mperf = new_mperf-old_mperf;
 
-   start = before.time*1000 + before.millitm;
-   finish = after.time*1000 + after.millitm;
-   total = finish - start;
-
-   printf("runTime: %4.2f\n", 1.0*total/1000);
-   printf("freq: %7.0f\n", tsc / (1.0*aperf / (1.0 * mperf)) / total);
+   start = before.tv_sec*100 + before.tv_nsec;
+   finish = after.tv_sec*100 + after.tv_nsec;
+   total = finish - start; 
+   printf("runTime: %4.2f\n", 1.0*total/100); 
+   printf("freq: %7.0f\n", tsc / (1.0 * aperf /1.0 * (mperf)) / total);
return 0;
 }
Setting maximum frequency to 500
launching aperf load on 0
launching aperf load on 1
launching aperf load on 2
launching aperf load on 3
sleeping for 5 seconds
waiting for job id 7521
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
runTime: 0.00
freq: inf
waiting for job id 7522
waiting for job id 7523
waiting for job id 7524
Setting maximum frequency to 400
launching aperf load on 0
launching aperf load on 1
launching aperf load on 2
launching aperf load on 3
sleeping for 5 seconds
waiting for job id 7540
runTime: 0.00
freq: inf