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Subject[PATCH 6/7] intel-speed-select: Implement 'perf-profile info' on CascadeLake-N
Date
Add functionality for perf-profile info on CascadeLake-N.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
.../x86/intel-speed-select/isst-config.c | 24 +++++++++++++++----
.../x86/intel-speed-select/isst-display.c | 22 +++++++++++++----
tools/power/x86/intel-speed-select/isst.h | 3 ++-
3 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index a82005825990..0c66012fc5a1 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -823,6 +823,13 @@ static void cascadelaken_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, &cn_pkg_dev,
+ cpu_model);
+}
+
static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
@@ -834,13 +841,16 @@ static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
if (ret) {
perror("isst_get_process_ctdp");
} else {
- isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev);
+ isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev,
+ cpu_model);
isst_get_process_ctdp_complete(cpu, &pkg_dev);
}
}

static void dump_isst_config(int arg)
{
+ void *fn;
+
if (cmd_help) {
fprintf(stderr,
"Print Intel(R) Speed Select Technology Performance profile configuration\n");
@@ -852,14 +862,17 @@ static void dump_isst_config(int arg)
exit(0);
}

+ if (cpu_model != 0x55)
+ 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);
}
@@ -1374,6 +1387,7 @@ static void get_clos_assoc(int arg)
}

static struct process_cmd_struct cn_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..7d91a5de1b85 100644
--- a/tools/power/x86/intel-speed-select/isst-display.c
+++ b/tools/power/x86/intel-speed-select/isst-display.c
@@ -173,7 +173,7 @@ static void print_package_info(int cpu, FILE *outf)

static void _isst_pbf_display_information(int cpu, FILE *outf, int level,
struct isst_pbf_info *pbf_info,
- int disp_level)
+ int disp_level, int cpu_model)
{
char header[256];
char value[256];
@@ -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 (cpu_model == 0x55)
+ 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);
@@ -306,7 +309,7 @@ void isst_ctdp_display_core_info(int cpu, FILE *outf, char *prefix,
}

void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
- struct isst_pkg_ctdp *pkg_dev)
+ struct isst_pkg_ctdp *pkg_dev, int cpu_model)
{
char header[256];
char value[256];
@@ -375,6 +378,16 @@ 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 (cpu_model == 0x55) {
+ if (ctdp_level->pbf_support)
+ _isst_pbf_display_information(cpu, outf,
+ tdp_level,
+ &ctdp_level->pbf_info,
+ base_level + 4,
+ cpu_model);
+ 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);
@@ -438,7 +451,8 @@ void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
if (ctdp_level->pbf_support)
_isst_pbf_display_information(cpu, outf, i,
&ctdp_level->pbf_info,
- base_level + 4);
+ base_level + 4,
+ cpu_model);
if (ctdp_level->fact_support)
_isst_fact_display_information(cpu, outf, i, 0xff, 0xff,
&ctdp_level->fact_info,
@@ -463,7 +477,7 @@ void isst_pbf_display_information(int cpu, FILE *outf, int level,
struct isst_pbf_info *pbf_info)
{
print_package_info(cpu, outf);
- _isst_pbf_display_information(cpu, outf, level, pbf_info, 4);
+ _isst_pbf_display_information(cpu, outf, level, pbf_info, 4, 0);
format_and_print(outf, 1, NULL, NULL);
}

diff --git a/tools/power/x86/intel-speed-select/isst.h b/tools/power/x86/intel-speed-select/isst.h
index 0dcae17b3945..35b0fec44d35 100644
--- a/tools/power/x86/intel-speed-select/isst.h
+++ b/tools/power/x86/intel-speed-select/isst.h
@@ -196,7 +196,8 @@ extern int isst_get_process_ctdp(int cpu, int tdp_level,
extern void isst_get_process_ctdp_complete(int cpu,
struct isst_pkg_ctdp *pkg_dev);
extern void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
- struct isst_pkg_ctdp *pkg_dev);
+ struct isst_pkg_ctdp *pkg_dev,
+ int cpu_model);
extern void isst_ctdp_display_core_info(int cpu, FILE *outf, char *prefix,
unsigned int val);
extern void isst_ctdp_display_information_start(FILE *outf);
--
2.21.0
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