Re: [PATCH 0/8] tools-power-x86-intel-speed-select: Fixes and updates for output

From: Srinivas Pandruvada
Date: Wed Sep 04 2019 - 16:59:51 EST



On Wed, 2019-09-04 at 16:55 -0400, Prarit Bhargava wrote:
>
> On 9/4/19 4:06 PM, Srinivas Pandruvada wrote:
> > On Tue, 2019-09-03 at 11:37 -0400, Prarit Bhargava wrote:
> > > Some general fixes and updates for intel-speed-select. Fixes
> > > include
> > > some
> > > typos as well as an off-by-one cpu count reporting
> > > error. Updates
> > > for the
> > > output are
> > >
> > > - switching to MHz as a standard
> > > - reporting CPU frequencies instead of ratios as a standard
> > > - viewing a human-readable CPU list.
> > > - avoiding reporting "0|1" as success|fail as these can be
> > > confusing
> > > for a
> > > user.
> >
> > Series looks fine, except 8/8.
> > So please submit v2. Better to resubmit as a series as v2, unless
> > Andy
> > has other preference.
>
> Thanks Srinivas.
>
> I have an additional patch. It looks like there's a memory
> leak. Sorry for the
> cut-and-paste but if okay I'll submit this as part of v2. Reworking
> the code
> this way makes it easier to introduce CascadeLake-N support too.
>
Looks good to me.

> diff --git a/tools/power/x86/intel-speed-select/isst-config.c
> b/tools/power/x86/
> intel-speed-select/isst-config.c
> index 78f0cebda1da..59753b3917bb 100644
> --- a/tools/power/x86/intel-speed-select/isst-config.c
> +++ b/tools/power/x86/intel-speed-select/isst-config.c
> @@ -603,6 +603,10 @@ static int isst_fill_platform_info(void)
>
> close(fd);
>
> + if (isst_platform_info.api_version > supported_api_ver) {
> + printf("Incompatible API versions; Upgrade of tool is
> required\n");
> + return -1;
> + }
> return 0;
> }
>
> @@ -1528,6 +1532,7 @@ static void cmdline(int argc, char **argv)
> {
> int opt;
> int option_index = 0;
> + int ret;
>
> static struct option long_options[] = {
> { "cpu", required_argument, 0, 'c' },
> @@ -1589,13 +1594,14 @@ static void cmdline(int argc, char **argv)
> set_max_cpu_num();
> set_cpu_present_cpu_mask();
> set_cpu_target_cpu_mask();
> - isst_fill_platform_info();
> - if (isst_platform_info.api_version > supported_api_ver) {
> - printf("Incompatible API versions; Upgrade of tool is
> required\n");
> - exit(0);
> - }
> + ret = isst_fill_platform_info();
> + if (ret)
> + goto out;
>
> process_command(argc, argv);
> +out:
> + free_cpu_set(present_cpumask);
> + free_cpu_set(target_cpumask);
> }
>
> int main(int argc, char **argv)
>
> P.
> >
> > Thanks,
> > Srinivas
> >
> > >
> > > Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>
> > > Cc: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> > > Cc: David Arcari <darcari@xxxxxxxxxx>
> > > Cc: linux-kernel@xxxxxxxxxxxxxxx
> > >
> > > Prarit Bhargava (8):
> > > tools/power/x86/intel-speed-select: Fix package typo
> > > tools/power/x86/intel-speed-select: Fix help option typo
> > > tools/power/x86/intel-speed-select: Fix cpu-count output
> > > tools/power/x86/intel-speed-select: Simplify output for turbo-
> > > freq
> > > and
> > > base-freq
> > > tools/power/x86/intel-speed-select: Switch output to MHz
> > > tools/power/x86/intel-speed-select: Change turbo ratio output
> > > to
> > > maximum turbo frequency
> > > tools/power/x86/intel-speed-select: Output human readable CPU
> > > list
> > > tools/power/x86/intel-speed-select: Output success/failed for
> > > command
> > > output
> > >
> > > .../x86/intel-speed-select/isst-config.c | 4 +-
> > > .../x86/intel-speed-select/isst-display.c | 116
> > > ++++++++++++--
> > > ----
> > > 2 files changed, 83 insertions(+), 37 deletions(-)
> > >