#include <getopt.h>
#include "cpufreq.h"
+#include "helpers/sysfs.h"
#include "helpers/helpers.h"
#include "helpers/bitmask.h"
return 0;
}
-static void debug_output_one(unsigned int cpu)
-{
- char *driver;
- struct cpufreq_affected_cpus *cpus;
- struct cpufreq_available_frequencies *freqs;
- unsigned long min, max, freq_kernel, freq_hardware;
- unsigned long total_trans, latency;
- unsigned long long total_time;
- struct cpufreq_policy *policy;
- struct cpufreq_available_governors *governors;
- struct cpufreq_stats *stats;
-
- if (cpufreq_cpu_exists(cpu))
- return;
-
- freq_kernel = cpufreq_get_freq_kernel(cpu);
- freq_hardware = cpufreq_get_freq_hardware(cpu);
-
- driver = cpufreq_get_driver(cpu);
- if (!driver) {
- printf(_(" no or unknown cpufreq driver is active on this CPU\n"));
- } else {
- printf(_(" driver: %s\n"), driver);
- cpufreq_put_driver(driver);
- }
-
- cpus = cpufreq_get_related_cpus(cpu);
- if (cpus) {
- printf(_(" CPUs which run at the same hardware frequency: "));
- while (cpus->next) {
- printf("%d ", cpus->cpu);
- cpus = cpus->next;
- }
- printf("%d\n", cpus->cpu);
- cpufreq_put_related_cpus(cpus);
- }
-
- cpus = cpufreq_get_affected_cpus(cpu);
- if (cpus) {
- printf(_(" CPUs which need to have their frequency coordinated by software: "));
- while (cpus->next) {
- printf("%d ", cpus->cpu);
- cpus = cpus->next;
- }
- printf("%d\n", cpus->cpu);
- cpufreq_put_affected_cpus(cpus);
- }
-
- latency = cpufreq_get_transition_latency(cpu);
- if (latency) {
- printf(_(" maximum transition latency: "));
- print_duration(latency);
- printf(".\n");
- }
-
- if (!(cpufreq_get_hardware_limits(cpu, &min, &max))) {
- printf(_(" hardware limits: "));
- print_speed(min);
- printf(" - ");
- print_speed(max);
- printf("\n");
- }
-
- freqs = cpufreq_get_available_frequencies(cpu);
- if (freqs) {
- printf(_(" available frequency steps: "));
- while (freqs->next) {
- print_speed(freqs->frequency);
- printf(", ");
- freqs = freqs->next;
- }
- print_speed(freqs->frequency);
- printf("\n");
- cpufreq_put_available_frequencies(freqs);
- }
-
- governors = cpufreq_get_available_governors(cpu);
- if (governors) {
- printf(_(" available cpufreq governors: "));
- while (governors->next) {
- printf("%s, ", governors->governor);
- governors = governors->next;
- }
- printf("%s\n", governors->governor);
- cpufreq_put_available_governors(governors);
- }
-
- policy = cpufreq_get_policy(cpu);
- if (policy) {
- printf(_(" current policy: frequency should be within "));
- print_speed(policy->min);
- printf(_(" and "));
- print_speed(policy->max);
-
- printf(".\n ");
- printf(_("The governor \"%s\" may"
- " decide which speed to use\n within this range.\n"),
- policy->governor);
- cpufreq_put_policy(policy);
- }
-
- if (freq_kernel || freq_hardware) {
- printf(_(" current CPU frequency is "));
- if (freq_hardware) {
- print_speed(freq_hardware);
- printf(_(" (asserted by call to hardware)"));
- } else
- print_speed(freq_kernel);
- printf(".\n");
- }
- stats = cpufreq_get_stats(cpu, &total_time);
- if (stats) {
- printf(_(" cpufreq stats: "));
- while (stats) {
- print_speed(stats->frequency);
- printf(":%.2f%%", (100.0 * stats->time_in_state) / total_time);
- stats = stats->next;
- if (stats)
- printf(", ");
- }
- cpufreq_put_stats(stats);
- total_trans = cpufreq_get_transitions(cpu);
- if (total_trans)
- printf(" (%lu)\n", total_trans);
- else
- printf("\n");
- }
- get_boost_mode(cpu);
-
-}
-
/* --freq / -f */
static int get_freq_kernel(unsigned int cpu, unsigned int human)
{
unsigned long freq = cpufreq_get_freq_kernel(cpu);
- if (!freq)
+ printf(_(" current CPU frequency: "));
+ if (!freq) {
+ printf(_(" Unable to call to kernel\n"));
return -EINVAL;
+ }
if (human) {
print_speed(freq);
- printf("\n");
} else
- printf("%lu\n", freq);
+ printf("%lu", freq);
+ printf(_(" (asserted by call to kernel)\n"));
return 0;
}
static int get_freq_hardware(unsigned int cpu, unsigned int human)
{
unsigned long freq = cpufreq_get_freq_hardware(cpu);
- if (!freq)
+ printf(_(" current CPU frequency: "));
+ if (!freq) {
+ printf("Unable to call hardware\n");
return -EINVAL;
+ }
if (human) {
print_speed(freq);
- printf("\n");
} else
- printf("%lu\n", freq);
+ printf("%lu", freq);
+ printf(_(" (asserted by call to hardware)\n"));
return 0;
}
static int get_hardware_limits(unsigned int cpu)
{
unsigned long min, max;
- if (cpufreq_get_hardware_limits(cpu, &min, &max))
+
+ printf(_(" hardware limits: "));
+ if (cpufreq_get_hardware_limits(cpu, &min, &max)) {
+ printf(_("Not Available\n"));
return -EINVAL;
- printf("%lu %lu\n", min, max);
+ }
+
+ print_speed(min);
+ printf(" - ");
+ print_speed(max);
+ printf("\n");
return 0;
}
static int get_driver(unsigned int cpu)
{
char *driver = cpufreq_get_driver(cpu);
- if (!driver)
+ if (!driver) {
+ printf(_(" no or unknown cpufreq driver is active on this CPU\n"));
return -EINVAL;
- printf("%s\n", driver);
+ }
+ printf(" driver: %s\n", driver);
cpufreq_put_driver(driver);
return 0;
}
static int get_policy(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_get_policy(cpu);
- if (!policy)
+ if (!policy) {
+ printf(_(" Unable to determine current policy\n"));
return -EINVAL;
- printf("%lu %lu %s\n", policy->min, policy->max, policy->governor);
+ }
+ printf(_(" current policy: frequency should be within "));
+ print_speed(policy->min);
+ printf(_(" and "));
+ print_speed(policy->max);
+
+ printf(".\n ");
+ printf(_("The governor \"%s\" may decide which speed to use\n"
+ " within this range.\n"),
+ policy->governor);
cpufreq_put_policy(policy);
return 0;
}
{
struct cpufreq_available_governors *governors =
cpufreq_get_available_governors(cpu);
- if (!governors)
+
+ printf(_(" available cpufreq governors: "));
+ if (!governors) {
+ printf(_("Not Available\n"));
return -EINVAL;
+ }
while (governors->next) {
printf("%s ", governors->governor);
static int get_affected_cpus(unsigned int cpu)
{
struct cpufreq_affected_cpus *cpus = cpufreq_get_affected_cpus(cpu);
- if (!cpus)
+
+ printf(_(" CPUs which need to have their frequency coordinated by software: "));
+ if (!cpus) {
+ printf(_("Not Available\n"));
return -EINVAL;
+ }
while (cpus->next) {
printf("%d ", cpus->cpu);
static int get_related_cpus(unsigned int cpu)
{
struct cpufreq_affected_cpus *cpus = cpufreq_get_related_cpus(cpu);
- if (!cpus)
+
+ printf(_(" CPUs which run at the same hardware frequency: "));
+ if (!cpus) {
+ printf(_("Not Available\n"));
return -EINVAL;
+ }
while (cpus->next) {
printf("%d ", cpus->cpu);
static int get_latency(unsigned int cpu, unsigned int human)
{
unsigned long latency = cpufreq_get_transition_latency(cpu);
- if (!latency)
+
+ printf(_(" maximum transition latency: "));
+ if (!latency || latency == UINT_MAX) {
+ printf(_(" Cannot determine or is not supported.\n"));
return -EINVAL;
+ }
if (human) {
print_duration(latency);
return 0;
}
+static void debug_output_one(unsigned int cpu)
+{
+ struct cpufreq_available_frequencies *freqs;
+
+ get_driver(cpu);
+ get_related_cpus(cpu);
+ get_affected_cpus(cpu);
+ get_latency(cpu, 1);
+ get_hardware_limits(cpu);
+
+ freqs = cpufreq_get_available_frequencies(cpu);
+ if (freqs) {
+ printf(_(" available frequency steps: "));
+ while (freqs->next) {
+ print_speed(freqs->frequency);
+ printf(", ");
+ freqs = freqs->next;
+ }
+ print_speed(freqs->frequency);
+ printf("\n");
+ cpufreq_put_available_frequencies(freqs);
+ }
+
+ get_available_governors(cpu);
+ get_policy(cpu);
+ if (get_freq_hardware(cpu, 1) < 0)
+ get_freq_kernel(cpu, 1);
+ get_boost_mode(cpu);
+}
+
static struct option info_opts[] = {
{"debug", no_argument, NULL, 'e'},
{"boost", no_argument, NULL, 'b'},
if (!bitmask_isbitset(cpus_chosen, cpu))
continue;
- if (cpufreq_cpu_exists(cpu)) {
- printf(_("couldn't analyze CPU %d as it doesn't seem to be present\n"), cpu);
+
+ printf(_("analyzing CPU %d:\n"), cpu);
+
+ if (sysfs_is_cpu_online(cpu) != 1) {
+ printf(_(" *is offline\n"));
+ printf("\n");
continue;
}
- printf(_("analyzing CPU %d:\n"), cpu);
switch (output_param) {
case 'b':
}
if (ret)
return ret;
+ printf("\n");
}
return ret;
}
projects / linux-drm-fsl-dcu.git / blobdiff