summaryrefslogtreecommitdiff
path: root/tools/power/cpupower/utils/cpuidle-info.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/power/cpupower/utils/cpuidle-info.c')
-rw-r--r--tools/power/cpupower/utils/cpuidle-info.c63
1 files changed, 36 insertions, 27 deletions
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index 75e66de7e7a7..e0d17f0de3fe 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
* (C) 2010 Thomas Renninger <trenn@suse.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
@@ -12,10 +11,11 @@
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
-#include <cpufreq.h>
-#include "helpers/helpers.h"
+#include <cpuidle.h>
+
#include "helpers/sysfs.h"
+#include "helpers/helpers.h"
#include "helpers/bitmask.h"
#define LINE_LEN 10
@@ -25,9 +25,7 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
unsigned int idlestates, idlestate;
char *tmp;
- printf(_ ("Analyzing CPU %d:\n"), cpu);
-
- idlestates = sysfs_get_idlestate_count(cpu);
+ idlestates = cpuidle_state_count(cpu);
if (idlestates == 0) {
printf(_("CPU %u: No idle states\n"), cpu);
return;
@@ -36,7 +34,7 @@ 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);
@@ -48,37 +46,38 @@ 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(_("Residency: %lu\n"),
+ cpuidle_state_residency(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));
}
- printf("\n");
}
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;
@@ -87,7 +86,7 @@ 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;
@@ -102,7 +101,7 @@ 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;
@@ -117,17 +116,19 @@ 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(_("residency[%05lu] "),
+ cpuidle_state_residency(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));
}
}
static struct option info_opts[] = {
- { .name = "silent", .has_arg = no_argument, .flag = NULL, .val = 's'},
- { .name = "proc", .has_arg = no_argument, .flag = NULL, .val = 'o'},
+ {"silent", no_argument, NULL, 's'},
+ {"proc", no_argument, NULL, 'o'},
{ },
};
@@ -179,9 +180,9 @@ int cmd_idle_info(int argc, char **argv)
cpuidle_exit(EXIT_FAILURE);
}
- /* Default is: show output of CPU 0 only */
+ /* Default is: show output of base_cpu only */
if (bitmask_isallclear(cpus_chosen))
- bitmask_setbit(cpus_chosen, 0);
+ bitmask_setbit(cpus_chosen, base_cpu);
if (output_param == 0)
cpuidle_general_output();
@@ -189,10 +190,17 @@ int cmd_idle_info(int argc, char **argv)
for (cpu = bitmask_first(cpus_chosen);
cpu <= bitmask_last(cpus_chosen); cpu++) {
- if (!bitmask_isbitset(cpus_chosen, cpu) ||
- cpufreq_cpu_exists(cpu))
+ if (!bitmask_isbitset(cpus_chosen, cpu))
continue;
+ printf(_("analyzing CPU %d:\n"), cpu);
+
+ if (sysfs_is_cpu_online(cpu) != 1) {
+ printf(_(" *is offline\n"));
+ printf("\n");
+ continue;
+ }
+
switch (output_param) {
case 'o':
@@ -203,6 +211,7 @@ int cmd_idle_info(int argc, char **argv)
cpuidle_cpu_output(cpu, verbose);
break;
}
+ printf("\n");
}
return EXIT_SUCCESS;
}