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tools/power/cpupower: Display boost frequency separately

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cpufreq driver creates sysfs file "scaling_boost_frequency" for platforms
which support boost frequency. Cpupower now prints boost frequencies
separately. For few x86 vendors who already have different way to get boost
frequency, will continue to use the existing logic. Rest of the platforms
will rely on "scaling_boost_frequency" file to display boost frequency.

Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
This commit is contained in:
Abhishek Goel
2019-02-05 04:51:28 -06:00
committed by Shuah Khan
parent d13937116f
commit ae2917093f
3 changed files with 50 additions and 27 deletions
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42
tools/power/cpupower/utils/cpufreq-info.c
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@@ -161,19 +161,12 @@ static void print_duration(unsigned long duration)
return;
}
/* --boost / -b */
static int get_boost_mode(unsigned int cpu)
static int get_boost_mode_x86(unsigned int cpu)
{
int support, active, b_states = 0, ret, pstate_no, i;
/* ToDo: Make this more global */
unsigned long pstates[MAX_HW_PSTATES] = {0,};
if (cpupower_cpu_info.vendor != X86_VENDOR_AMD &&
cpupower_cpu_info.vendor != X86_VENDOR_HYGON &&
cpupower_cpu_info.vendor != X86_VENDOR_INTEL)
return 0;
ret = cpufreq_has_boost_support(cpu, &support, &active, &b_states);
if (ret) {
printf(_("Error while evaluating Boost Capabilities"
@@ -248,6 +241,33 @@ static int get_boost_mode(unsigned int cpu)
return 0;
}
/* --boost / -b */
static int get_boost_mode(unsigned int cpu)
{
struct cpufreq_frequencies *freqs;
if (cpupower_cpu_info.vendor == X86_VENDOR_AMD ||
cpupower_cpu_info.vendor == X86_VENDOR_HYGON ||
cpupower_cpu_info.vendor == X86_VENDOR_INTEL)
return get_boost_mode_x86(cpu);
freqs = cpufreq_get_frequencies("boost", cpu);
if (freqs) {
printf(_(" boost frequency steps: "));
while (freqs->next) {
print_speed(freqs->frequency);
printf(", ");
freqs = freqs->next;
}
print_speed(freqs->frequency);
printf("\n");
cpufreq_put_frequencies(freqs);
}
return 0;
}
/* --freq / -f */
static int get_freq_kernel(unsigned int cpu, unsigned int human)
@@ -456,7 +476,7 @@ static int get_latency(unsigned int cpu, unsigned int human)
static void debug_output_one(unsigned int cpu)
{
struct cpufreq_available_frequencies *freqs;
struct cpufreq_frequencies *freqs;
get_driver(cpu);
get_related_cpus(cpu);
@@ -464,7 +484,7 @@ static void debug_output_one(unsigned int cpu)
get_latency(cpu, 1);
get_hardware_limits(cpu, 1);
freqs = cpufreq_get_available_frequencies(cpu);
freqs = cpufreq_get_frequencies("available", cpu);
if (freqs) {
printf(_(" available frequency steps: "));
while (freqs->next) {
@@ -474,7 +494,7 @@ static void debug_output_one(unsigned int cpu)
}
print_speed(freqs->frequency);
printf("\n");
cpufreq_put_available_frequencies(freqs);
cpufreq_put_frequencies(freqs);
}
get_available_governors(cpu);