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Date: Fri, 04 Oct 2019 10:32:11 -0700
From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To: Prarit Bhargava <prarit@...hat.com>,
platform-driver-x86@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 6/7] intel-speed-select: Implement 'perf-profile
info' on CascadeLake-N
On Fri, 2019-10-04 at 10:23 -0700, Srinivas Pandruvada wrote:
> On Thu, 2019-10-03 at 08:11 -0400, Prarit Bhargava wrote:
> > Add functionality for perf-profile info on CascadeLake-N.
> >
>
> This results in
> #intel-speed-select perf-profile info
> Intel(R) Speed Select Technology
> Executing on CPU model:85[0x55]
> intel-speed-select:
> /sys/devices/system/cpu/cpu40/cpufreq/base_frequency: open failed: No
> such file or directory
>
> Let me fix this.
>
> Also the previous crash was also for this v2 series.
>
After fix
intel-speed-select perf-profile info
Intel(R) Speed Select Technology
Executing on CPU model:85[0x55]
package-0
die-0
cpu-0
perf-profile-level-0
cpu-count:20
enable-cpu-mask:00000000,00000000
enable-cpu-list:none
thermal-design-power-ratio:23
base-frequency(MHz):2300
speed-select-turbo-freq:unsupported
speed-select-base-freq:enabled
speed-select-base-freq
high-priority-base-frequency(MHz):2700000
high-priority-cpu-mask:0000000e,8c00e8c0
high-priority-cpu-list:6,7,11,13,14,15,26,27,31,33,34,35
low-priority-base-frequency(MHz):2100000
package-1
die-0
cpu-20
perf-profile-level-0
cpu-count:20
enable-cpu-mask:00000000,00000000
enable-cpu-list:none
thermal-design-power-ratio:23
base-frequency(MHz):2300
speed-select-turbo-freq:unsupported
speed-select-base-freq:enabled
speed-select-base-freq
high-priority-base-frequency(MHz):2700000
high-priority-cpu-mask:0000000e,8c00e8c0
high-priority-cpu-list:6,7,11,13,14,15,26,27,31,33,34,35
low-priority-base-frequency(MHz):2100000
The display for enable-cpu-mask should be all 1 for all present CPUs.
I will address this.
Thanks,
Srinivas
> Thanks,
> Srinivas
>
> > Signed-off-by: Prarit Bhargava <prarit@...hat.com>
> > ---
> > .../x86/intel-speed-select/isst-config.c | 20 +++++++++++++++
> > ----
> > .../x86/intel-speed-select/isst-display.c | 12 +++++++++++
> > tools/power/x86/intel-speed-select/isst.h | 1 +
> > 3 files changed, 29 insertions(+), 4 deletions(-)
> >
> > diff --git a/tools/power/x86/intel-speed-select/isst-config.c
> > b/tools/power/x86/intel-speed-select/isst-config.c
> > index 3ab0edade5ec..d9b580139a07 100644
> > --- a/tools/power/x86/intel-speed-select/isst-config.c
> > +++ b/tools/power/x86/intel-speed-select/isst-config.c
> > @@ -836,6 +836,12 @@ static void clx_n_config(void)
> > ctdp_level->fact_enabled = 0;
> > }
> >
> > +static void dump_cn_config_for_cpu(int cpu, void *arg1, void
> > *arg2,
> > + void *arg3, void *arg4)
> > +{
> > + isst_ctdp_display_information(cpu, outf, tdp_level,
> > &clx_n_pkg_dev);
> > +}
> > +
> > static void dump_isst_config_for_cpu(int cpu, void *arg1, void
> > *arg2,
> > void *arg3, void *arg4)
> > {
> > @@ -854,6 +860,8 @@ static void dump_isst_config_for_cpu(int cpu,
> > void *arg1, void *arg2,
> >
> > static void dump_isst_config(int arg)
> > {
> > + void *fn;
> > +
> > if (cmd_help) {
> > fprintf(stderr,
> > "Print Intel(R) Speed Select Technology
> > Performance profile configuration\n");
> > @@ -865,14 +873,17 @@ static void dump_isst_config(int arg)
> > exit(0);
> > }
> >
> > + if (!is_clx_n_platform())
> > + fn = dump_isst_config_for_cpu;
> > + else
> > + fn = dump_cn_config_for_cpu;
> > +
> > isst_ctdp_display_information_start(outf);
> >
> > if (max_target_cpus)
> > - for_each_online_target_cpu_in_set(dump_isst_config_for_
> > cpu,
> > - NULL, NULL, NULL,
> > NULL);
> > + for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL,
> > NULL);
> > else
> > - for_each_online_package_in_set(dump_isst_config_for_cpu
> > , NULL,
> > - NULL, NULL, NULL);
> > + for_each_online_package_in_set(fn, NULL, NULL, NULL,
> > NULL);
> >
> > isst_ctdp_display_information_end(outf);
> > }
> > @@ -1633,6 +1644,7 @@ static void get_clos_assoc(int arg)
> > }
> >
> > static struct process_cmd_struct clx_n_cmds[] = {
> > + { "perf-profile", "info", dump_isst_config, 0 },
> > { NULL, NULL, NULL, 0 }
> > };
> >
> > diff --git a/tools/power/x86/intel-speed-select/isst-display.c
> > b/tools/power/x86/intel-speed-select/isst-display.c
> > index 1caa7ae25245..8309810e7425 100644
> > --- a/tools/power/x86/intel-speed-select/isst-display.c
> > +++ b/tools/power/x86/intel-speed-select/isst-display.c
> > @@ -202,6 +202,9 @@ static void _isst_pbf_display_information(int
> > cpu, FILE *outf, int level,
> > pbf_info->p1_low * DISP_FREQ_MULTIPLIER);
> > format_and_print(outf, disp_level + 1, header, value);
> >
> > + if (is_clx_n_platform())
> > + return;
> > +
> > snprintf(header, sizeof(header), "tjunction-temperature(C)");
> > snprintf(value, sizeof(value), "%d", pbf_info->t_prochot);
> > format_and_print(outf, disp_level + 1, header, value);
> > @@ -375,6 +378,15 @@ void isst_ctdp_display_information(int cpu,
> > FILE
> > *outf, int tdp_level,
> > snprintf(value, sizeof(value), "unsupported");
> > format_and_print(outf, base_level + 4, header, value);
> >
> > + if (is_clx_n_platform()) {
> > + if (ctdp_level->pbf_support)
> > + _isst_pbf_display_information(cpu,
> > outf,
> > + tdp_level
> > ,
> > + &ctdp_level-
> > > pbf_info,
> >
> > + base_leve
> > l + 4);
> > + continue;
> > + }
> > +
> > snprintf(header, sizeof(header), "thermal-design-
> > power(W)");
> > snprintf(value, sizeof(value), "%d", ctdp_level-
> > > pkg_tdp);
> >
> > format_and_print(outf, base_level + 4, header, value);
> > diff --git a/tools/power/x86/intel-speed-select/isst.h
> > b/tools/power/x86/intel-speed-select/isst.h
> > index 0dcae17b3945..bef27bd6138e 100644
> > --- a/tools/power/x86/intel-speed-select/isst.h
> > +++ b/tools/power/x86/intel-speed-select/isst.h
> > @@ -239,4 +239,5 @@ extern void isst_display_result(int cpu, FILE
> > *outf, char *feature, char *cmd,
> > extern int isst_clos_get_clos_information(int cpu, int *enable,
> > int
> > *type);
> > extern void isst_clos_display_clos_information(int cpu, FILE
> > *outf,
> > int clos_enable, int
> > type);
> > +extern int is_clx_n_platform(void);
> > #endif
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