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-rw-r--r--tools/power/cpupower/utils/cpufreq-set.c8
-rw-r--r--tools/power/cpupower/utils/cpuidle-info.c32
-rw-r--r--tools/power/cpupower/utils/cpuidle-set.c26
-rw-r--r--tools/power/cpupower/utils/helpers/helpers.h26
-rw-r--r--tools/power/cpupower/utils/helpers/topology.c107
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c12
6 files changed, 43 insertions, 168 deletions
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c
index 0fbd1a22c0a9..b4bf76971dc9 100644
--- a/tools/power/cpupower/utils/cpufreq-set.c
+++ b/tools/power/cpupower/utils/cpufreq-set.c
@@ -16,8 +16,8 @@
#include <getopt.h>
#include "cpufreq.h"
+#include "cpuidle.h"
#include "helpers/helpers.h"
-#include "helpers/sysfs.h"
#define NORM_FREQ_LEN 32
@@ -296,7 +296,7 @@ int cmd_freq_set(int argc, char **argv)
struct cpufreq_affected_cpus *cpus;
if (!bitmask_isbitset(cpus_chosen, cpu) ||
- cpufreq_cpu_exists(cpu))
+ cpupower_is_cpu_online(cpu))
continue;
cpus = cpufreq_get_related_cpus(cpu);
@@ -316,10 +316,10 @@ int cmd_freq_set(int argc, char **argv)
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
- cpufreq_cpu_exists(cpu))
+ cpupower_is_cpu_online(cpu))
continue;
- if (sysfs_is_cpu_online(cpu) != 1)
+ if (cpupower_is_cpu_online(cpu) != 1)
continue;
printf(_("Setting cpu: %d\n"), cpu);
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index 8bf8ab5ffa25..b59c85defa05 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -13,8 +13,10 @@
#include <string.h>
#include <getopt.h>
-#include "helpers/helpers.h"
+#include <cpuidle.h>
+
#include "helpers/sysfs.h"
+#include "helpers/helpers.h"
#include "helpers/bitmask.h"
#define LINE_LEN 10
@@ -24,7 +26,7 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
unsigned int idlestates, idlestate;
char *tmp;
- idlestates = sysfs_get_idlestate_count(cpu);
+ idlestates = cpuidle_state_count(cpu);
if (idlestates == 0) {
printf(_("CPU %u: No idle states\n"), cpu);
return;
@@ -33,7 +35,7 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
printf(_("Number of idle states: %d\n"), idlestates);
printf(_("Available idle states:"));
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- tmp = sysfs_get_idlestate_name(cpu, idlestate);
+ tmp = cpuidle_state_name(cpu, idlestate);
if (!tmp)
continue;
printf(" %s", tmp);
@@ -45,28 +47,28 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
return;
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- int disabled = sysfs_is_idlestate_disabled(cpu, idlestate);
+ int disabled = cpuidle_is_state_disabled(cpu, idlestate);
/* Disabled interface not supported on older kernels */
if (disabled < 0)
disabled = 0;
- tmp = sysfs_get_idlestate_name(cpu, idlestate);
+ tmp = cpuidle_state_name(cpu, idlestate);
if (!tmp)
continue;
printf("%s%s:\n", tmp, (disabled) ? " (DISABLED) " : "");
free(tmp);
- tmp = sysfs_get_idlestate_desc(cpu, idlestate);
+ tmp = cpuidle_state_desc(cpu, idlestate);
if (!tmp)
continue;
printf(_("Flags/Description: %s\n"), tmp);
free(tmp);
printf(_("Latency: %lu\n"),
- sysfs_get_idlestate_latency(cpu, idlestate));
+ cpuidle_state_latency(cpu, idlestate));
printf(_("Usage: %lu\n"),
- sysfs_get_idlestate_usage(cpu, idlestate));
+ cpuidle_state_usage(cpu, idlestate));
printf(_("Duration: %llu\n"),
- sysfs_get_idlestate_time(cpu, idlestate));
+ cpuidle_state_time(cpu, idlestate));
}
}
@@ -74,7 +76,7 @@ static void cpuidle_general_output(void)
{
char *tmp;
- tmp = sysfs_get_cpuidle_driver();
+ tmp = cpuidle_get_driver();
if (!tmp) {
printf(_("Could not determine cpuidle driver\n"));
return;
@@ -83,7 +85,7 @@ static void cpuidle_general_output(void)
printf(_("CPUidle driver: %s\n"), tmp);
free(tmp);
- tmp = sysfs_get_cpuidle_governor();
+ tmp = cpuidle_get_governor();
if (!tmp) {
printf(_("Could not determine cpuidle governor\n"));
return;
@@ -98,7 +100,7 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
long max_allowed_cstate = 2000000000;
unsigned int cstate, cstates;
- cstates = sysfs_get_idlestate_count(cpu);
+ cstates = cpuidle_state_count(cpu);
if (cstates == 0) {
printf(_("CPU %u: No C-states info\n"), cpu);
return;
@@ -113,11 +115,11 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
"type[C%d] "), cstate, cstate);
printf(_("promotion[--] demotion[--] "));
printf(_("latency[%03lu] "),
- sysfs_get_idlestate_latency(cpu, cstate));
+ cpuidle_state_latency(cpu, cstate));
printf(_("usage[%08lu] "),
- sysfs_get_idlestate_usage(cpu, cstate));
+ cpuidle_state_usage(cpu, cstate));
printf(_("duration[%020Lu] \n"),
- sysfs_get_idlestate_time(cpu, cstate));
+ cpuidle_state_time(cpu, cstate));
}
}
diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c
index d6b6ae44b8c2..691c24d50ef4 100644
--- a/tools/power/cpupower/utils/cpuidle-set.c
+++ b/tools/power/cpupower/utils/cpuidle-set.c
@@ -5,12 +5,12 @@
#include <limits.h>
#include <string.h>
#include <ctype.h>
-
#include <getopt.h>
-#include "cpufreq.h"
+#include <cpufreq.h>
+#include <cpuidle.h>
+
#include "helpers/helpers.h"
-#include "helpers/sysfs.h"
static struct option info_opts[] = {
{"disable", required_argument, NULL, 'd'},
@@ -104,16 +104,16 @@ int cmd_idle_set(int argc, char **argv)
if (!bitmask_isbitset(cpus_chosen, cpu))
continue;
- if (sysfs_is_cpu_online(cpu) != 1)
+ if (cpupower_is_cpu_online(cpu) != 1)
continue;
- idlestates = sysfs_get_idlestate_count(cpu);
+ idlestates = cpuidle_state_count(cpu);
if (idlestates <= 0)
continue;
switch (param) {
case 'd':
- ret = sysfs_idlestate_disable(cpu, idlestate, 1);
+ ret = cpuidle_state_disable(cpu, idlestate, 1);
if (ret == 0)
printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu);
else if (ret == -1)
@@ -126,7 +126,7 @@ int cmd_idle_set(int argc, char **argv)
idlestate, cpu);
break;
case 'e':
- ret = sysfs_idlestate_disable(cpu, idlestate, 0);
+ ret = cpuidle_state_disable(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
else if (ret == -1)
@@ -140,13 +140,13 @@ int cmd_idle_set(int argc, char **argv)
break;
case 'D':
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- disabled = sysfs_is_idlestate_disabled
+ disabled = cpuidle_is_state_disabled
(cpu, idlestate);
- state_latency = sysfs_get_idlestate_latency
+ state_latency = cpuidle_state_latency
(cpu, idlestate);
if (disabled == 1) {
if (latency > state_latency){
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
@@ -154,7 +154,7 @@ int cmd_idle_set(int argc, char **argv)
continue;
}
if (latency <= state_latency){
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 1);
if (ret == 0)
printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu);
@@ -163,10 +163,10 @@ int cmd_idle_set(int argc, char **argv)
break;
case 'E':
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- disabled = sysfs_is_idlestate_disabled
+ disabled = cpuidle_is_state_disabled
(cpu, idlestate);
if (disabled == 1) {
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index aa9e95486a2d..afb66f80554e 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -14,6 +14,7 @@
#include <locale.h>
#include "helpers/bitmask.h"
+#include <cpupower.h>
/* Internationalization ****************************/
#ifdef NLS
@@ -92,31 +93,6 @@ extern int get_cpu_info(unsigned int cpu, struct cpupower_cpu_info *cpu_info);
extern struct cpupower_cpu_info cpupower_cpu_info;
/* cpuid and cpuinfo helpers **************************/
-struct cpuid_core_info {
- int pkg;
- int core;
- int cpu;
-
- /* flags */
- unsigned int is_online:1;
-};
-
-/* CPU topology/hierarchy parsing ******************/
-struct cpupower_topology {
- /* Amount of CPU cores, packages and threads per core in the system */
- unsigned int cores;
- unsigned int pkgs;
- unsigned int threads; /* per core */
-
- /* Array gets mallocated with cores entries, holding per core info */
- struct cpuid_core_info *core_info;
-};
-
-extern int get_cpu_topology(struct cpupower_topology *cpu_top);
-extern void cpu_topology_release(struct cpupower_topology cpu_top);
-
-/* CPU topology/hierarchy parsing ******************/
-
/* X86 ONLY ****************************************/
#if defined(__i386__) || defined(__x86_64__)
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index 5f9c908f4557..a1a6c6041a1e 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -16,110 +16,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <helpers/helpers.h>
-#include <helpers/sysfs.h>
+#include <cpuidle.h>
-/* returns -1 on failure, 0 on success */
-static int sysfs_topology_read_file(unsigned int cpu, const char *fname, int *result)
-{
- char linebuf[MAX_LINE_LEN];
- char *endp;
- char path[SYSFS_PATH_MAX];
+/* CPU topology/hierarchy parsing ******************/
- snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
- cpu, fname);
- if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
- return -1;
- *result = strtol(linebuf, &endp, 0);
- if (endp == linebuf || errno == ERANGE)
- return -1;
- return 0;
-}
-
-static int __compare(const void *t1, const void *t2)
-{
- struct cpuid_core_info *top1 = (struct cpuid_core_info *)t1;
- struct cpuid_core_info *top2 = (struct cpuid_core_info *)t2;
- if (top1->pkg < top2->pkg)
- return -1;
- else if (top1->pkg > top2->pkg)
- return 1;
- else if (top1->core < top2->core)
- return -1;
- else if (top1->core > top2->core)
- return 1;
- else if (top1->cpu < top2->cpu)
- return -1;
- else if (top1->cpu > top2->cpu)
- return 1;
- else
- return 0;
-}
-
-/*
- * Returns amount of cpus, negative on error, cpu_top must be
- * passed to cpu_topology_release to free resources
- *
- * Array is sorted after ->pkg, ->core, then ->cpu
- */
-int get_cpu_topology(struct cpupower_topology *cpu_top)
-{
- int cpu, last_pkg, cpus = sysconf(_SC_NPROCESSORS_CONF);
-
- cpu_top->core_info = malloc(sizeof(struct cpuid_core_info) * cpus);
- if (cpu_top->core_info == NULL)
- return -ENOMEM;
- cpu_top->pkgs = cpu_top->cores = 0;
- for (cpu = 0; cpu < cpus; cpu++) {
- cpu_top->core_info[cpu].cpu = cpu;
- cpu_top->core_info[cpu].is_online = sysfs_is_cpu_online(cpu);
- if(sysfs_topology_read_file(
- cpu,
- "physical_package_id",
- &(cpu_top->core_info[cpu].pkg)) < 0) {
- cpu_top->core_info[cpu].pkg = -1;
- cpu_top->core_info[cpu].core = -1;
- continue;
- }
- if(sysfs_topology_read_file(
- cpu,
- "core_id",
- &(cpu_top->core_info[cpu].core)) < 0) {
- cpu_top->core_info[cpu].pkg = -1;
- cpu_top->core_info[cpu].core = -1;
- continue;
- }
- }
-
- qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info),
- __compare);
-
- /* Count the number of distinct pkgs values. This works
- because the primary sort of the core_info struct was just
- done by pkg value. */
- last_pkg = cpu_top->core_info[0].pkg;
- for(cpu = 1; cpu < cpus; cpu++) {
- if (cpu_top->core_info[cpu].pkg != last_pkg &&
- cpu_top->core_info[cpu].pkg != -1) {
-
- last_pkg = cpu_top->core_info[cpu].pkg;
- cpu_top->pkgs++;
- }
- }
- if (!(cpu_top->core_info[0].pkg == -1))
- cpu_top->pkgs++;
-
- /* Intel's cores count is not consecutively numbered, there may
- * be a core_id of 3, but none of 2. Assume there always is 0
- * Get amount of cores by counting duplicates in a package
- for (cpu = 0; cpu_top->core_info[cpu].pkg = 0 && cpu < cpus; cpu++) {
- if (cpu_top->core_info[cpu].core == 0)
- cpu_top->cores++;
- */
- return cpus;
-}
-
-void cpu_topology_release(struct cpupower_topology cpu_top)
-{
- free(cpu_top.core_info);
-}
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index bcd22a1a3970..1b5da0066ebf 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -10,8 +10,8 @@
#include <stdint.h>
#include <string.h>
#include <limits.h>
+#include <cpuidle.h>
-#include "helpers/sysfs.h"
#include "helpers/helpers.h"
#include "idle_monitor/cpupower-monitor.h"
@@ -51,7 +51,7 @@ static int cpuidle_start(void)
for (state = 0; state < cpuidle_sysfs_monitor.hw_states_num;
state++) {
previous_count[cpu][state] =
- sysfs_get_idlestate_time(cpu, state);
+ cpuidle_state_time(cpu, state);
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
@@ -70,7 +70,7 @@ static int cpuidle_stop(void)
for (state = 0; state < cpuidle_sysfs_monitor.hw_states_num;
state++) {
current_count[cpu][state] =
- sysfs_get_idlestate_time(cpu, state);
+ cpuidle_state_time(cpu, state);
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
@@ -132,13 +132,13 @@ static struct cpuidle_monitor *cpuidle_register(void)
char *tmp;
/* Assume idle state count is the same for all CPUs */
- cpuidle_sysfs_monitor.hw_states_num = sysfs_get_idlestate_count(0);
+ cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0);
if (cpuidle_sysfs_monitor.hw_states_num <= 0)
return NULL;
for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
- tmp = sysfs_get_idlestate_name(0, num);
+ tmp = cpuidle_state_name(0, num);
if (tmp == NULL)
continue;
@@ -146,7 +146,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
free(tmp);
- tmp = sysfs_get_idlestate_desc(0, num);
+ tmp = cpuidle_state_desc(0, num);
if (tmp == NULL)
continue;
strncpy(cpuidle_cstates[num].desc, tmp, CSTATE_DESC_LEN - 1);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.