summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-03-06 10:40:23 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-03-06 10:40:23 +0100
commit2c0bf86c7c1884e82e26047f0900803767aec881 (patch)
tree21dabed98fa39c59b400facd1079bc695f788869 /tools
parentLinux 5.0-rc8 (diff)
parenttools/power/cpupower: Display boost frequency separately (diff)
downloadlinux-2c0bf86c7c1884e82e26047f0900803767aec881.tar.xz
linux-2c0bf86c7c1884e82e26047f0900803767aec881.zip
Merge tag 'linux-cpupower-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Pull cpupower updates for 5.1-rc1 from Shuah Khan: "This cpupower update for Linux 5.1-rc1 consists of a patch to add support to display boost frequency separately from Abhishek Goel." * tag 'linux-cpupower-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: tools/power/cpupower: Display boost frequency separately
Diffstat (limited to 'tools')
-rw-r--r--tools/power/cpupower/lib/cpufreq.c19
-rw-r--r--tools/power/cpupower/lib/cpufreq.h16
-rw-r--r--tools/power/cpupower/utils/cpufreq-info.c42
3 files changed, 50 insertions, 27 deletions
diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
index 0c0f3e3f0d80..80650497fb80 100644
--- a/tools/power/cpupower/lib/cpufreq.c
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -333,17 +333,20 @@ void cpufreq_put_available_governors(struct cpufreq_available_governors *any)
}
-struct cpufreq_available_frequencies
-*cpufreq_get_available_frequencies(unsigned int cpu)
+struct cpufreq_frequencies
+*cpufreq_get_frequencies(const char *type, unsigned int cpu)
{
- struct cpufreq_available_frequencies *first = NULL;
- struct cpufreq_available_frequencies *current = NULL;
+ struct cpufreq_frequencies *first = NULL;
+ struct cpufreq_frequencies *current = NULL;
char one_value[SYSFS_PATH_MAX];
char linebuf[MAX_LINE_LEN];
+ char fname[MAX_LINE_LEN];
unsigned int pos, i;
unsigned int len;
- len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies",
+ snprintf(fname, MAX_LINE_LEN, "scaling_%s_frequencies", type);
+
+ len = sysfs_cpufreq_read_file(cpu, fname,
linebuf, sizeof(linebuf));
if (len == 0)
return NULL;
@@ -389,9 +392,9 @@ struct cpufreq_available_frequencies
return NULL;
}
-void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies
- *any) {
- struct cpufreq_available_frequencies *tmp, *next;
+void cpufreq_put_frequencies(struct cpufreq_frequencies *any)
+{
+ struct cpufreq_frequencies *tmp, *next;
if (!any)
return;
diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h
index 60beaf5ed2ea..775738269cbf 100644
--- a/tools/power/cpupower/lib/cpufreq.h
+++ b/tools/power/cpupower/lib/cpufreq.h
@@ -28,10 +28,10 @@ struct cpufreq_available_governors {
struct cpufreq_available_governors *first;
};
-struct cpufreq_available_frequencies {
+struct cpufreq_frequencies {
unsigned long frequency;
- struct cpufreq_available_frequencies *next;
- struct cpufreq_available_frequencies *first;
+ struct cpufreq_frequencies *next;
+ struct cpufreq_frequencies *first;
};
@@ -129,14 +129,14 @@ void cpufreq_put_available_governors(
*
* Only present on _some_ ->target() cpufreq drivers. For information purposes
* only. Please free allocated memory by calling
- * cpufreq_put_available_frequencies after use.
+ * cpufreq_put_frequencies after use.
*/
-struct cpufreq_available_frequencies
-*cpufreq_get_available_frequencies(unsigned int cpu);
+struct cpufreq_frequencies
+*cpufreq_get_frequencies(const char *type, unsigned int cpu);
-void cpufreq_put_available_frequencies(
- struct cpufreq_available_frequencies *first);
+void cpufreq_put_frequencies(
+ struct cpufreq_frequencies *first);
/* determine affected CPUs
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index c3f39d5128ee..10290b308797 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -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);