Merge branch 'pm-tools'
Merge power management utilities changes for 5.18-rc1:
- Add tracer tool for the amd-pstate driver (Jinzhou Su).
- Fix PC6 displaying in turbostat on some systems (Artem Bityutskiy).
- Add AMD P-State support to the cpupower utility (Huang Rui).
* pm-tools:
Documentation: amd-pstate: add tracer tool introduction
tools/power/x86/amd_pstate_tracer: Add tracer tool for AMD P-state
tools/power/x86/intel_pstate_tracer: make tracer as a module
cpufreq: amd-pstate: Add more tracepoint for AMD P-State module
turbostat: fix PC6 displaying on some systems
cpupower: Add "perf" option to print AMD P-State information
cpupower: Add function to print AMD P-State performance capabilities
cpupower: Move print_speed function into misc helper
cpupower: Enable boost state support for AMD P-State module
cpupower: Add AMD P-State sysfs definition and access helper
cpupower: Introduce ACPI CPPC library
cpupower: Add the function to get the sysfs value from specific table
cpupower: Initial AMD P-State capability
cpupower: Add the function to check AMD P-State enabled
cpupower: Add AMD P-State capability flag
tools/power/cpupower/{ToDo => TODO}: Rename the todo file
tools: cpupower: fix typo in cpupower-idle-set(1) manpage
diff --git a/Documentation/admin-guide/pm/amd-pstate.rst b/Documentation/admin-guide/pm/amd-pstate.rst
index 2f066df..1923cb2 100644
--- a/Documentation/admin-guide/pm/amd-pstate.rst
+++ b/Documentation/admin-guide/pm/amd-pstate.rst
@@ -369,6 +369,32 @@
policies with other scaling governors).
+Tracer Tool
+-------------
+
+``amd_pstate_tracer.py`` can record and parse ``amd-pstate`` trace log, then
+generate performance plots. This utility can be used to debug and tune the
+performance of ``amd-pstate`` driver. The tracer tool needs to import intel
+pstate tracer.
+
+Tracer tool located in ``linux/tools/power/x86/amd_pstate_tracer``. It can be
+used in two ways. If trace file is available, then directly parse the file
+with command ::
+
+ ./amd_pstate_trace.py [-c cpus] -t <trace_file> -n <test_name>
+
+Or generate trace file with root privilege, then parse and plot with command ::
+
+ sudo ./amd_pstate_trace.py [-c cpus] -n <test_name> -i <interval> [-m kbytes]
+
+The test result can be found in ``results/test_name``. Following is the example
+about part of the output. ::
+
+ common_cpu common_secs common_usecs min_perf des_perf max_perf freq mperf apef tsc load duration_ms sample_num elapsed_time common_comm
+ CPU_005 712 116384 39 49 166 0.7565 9645075 2214891 38431470 25.1 11.646 469 2.496 kworker/5:0-40
+ CPU_006 712 116408 39 49 166 0.6769 8950227 1839034 37192089 24.06 11.272 470 2.496 kworker/6:0-1264
+
+
Reference
===========
diff --git a/MAINTAINERS b/MAINTAINERS
index 1ba1e4a..6d888b6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1002,6 +1002,7 @@
S: Supported
F: Documentation/admin-guide/pm/amd-pstate.rst
F: drivers/cpufreq/amd-pstate*
+F: tools/power/x86/amd_pstate_tracer/amd_pstate_trace.py
AMD PTDMA DRIVER
M: Sanjay R Mehta <sanju.mehta@amd.com>
diff --git a/drivers/cpufreq/amd-pstate-trace.h b/drivers/cpufreq/amd-pstate-trace.h
index 6475059..35f38ae 100644
--- a/drivers/cpufreq/amd-pstate-trace.h
+++ b/drivers/cpufreq/amd-pstate-trace.h
@@ -27,6 +27,10 @@ TRACE_EVENT(amd_pstate_perf,
TP_PROTO(unsigned long min_perf,
unsigned long target_perf,
unsigned long capacity,
+ u64 freq,
+ u64 mperf,
+ u64 aperf,
+ u64 tsc,
unsigned int cpu_id,
bool changed,
bool fast_switch
@@ -35,6 +39,10 @@ TRACE_EVENT(amd_pstate_perf,
TP_ARGS(min_perf,
target_perf,
capacity,
+ freq,
+ mperf,
+ aperf,
+ tsc,
cpu_id,
changed,
fast_switch
@@ -44,6 +52,10 @@ TRACE_EVENT(amd_pstate_perf,
__field(unsigned long, min_perf)
__field(unsigned long, target_perf)
__field(unsigned long, capacity)
+ __field(unsigned long long, freq)
+ __field(unsigned long long, mperf)
+ __field(unsigned long long, aperf)
+ __field(unsigned long long, tsc)
__field(unsigned int, cpu_id)
__field(bool, changed)
__field(bool, fast_switch)
@@ -53,15 +65,23 @@ TRACE_EVENT(amd_pstate_perf,
__entry->min_perf = min_perf;
__entry->target_perf = target_perf;
__entry->capacity = capacity;
+ __entry->freq = freq;
+ __entry->mperf = mperf;
+ __entry->aperf = aperf;
+ __entry->tsc = tsc;
__entry->cpu_id = cpu_id;
__entry->changed = changed;
__entry->fast_switch = fast_switch;
),
- TP_printk("amd_min_perf=%lu amd_des_perf=%lu amd_max_perf=%lu cpu_id=%u changed=%s fast_switch=%s",
+ TP_printk("amd_min_perf=%lu amd_des_perf=%lu amd_max_perf=%lu freq=%llu mperf=%llu aperf=%llu tsc=%llu cpu_id=%u changed=%s fast_switch=%s",
(unsigned long)__entry->min_perf,
(unsigned long)__entry->target_perf,
(unsigned long)__entry->capacity,
+ (unsigned long long)__entry->freq,
+ (unsigned long long)__entry->mperf,
+ (unsigned long long)__entry->aperf,
+ (unsigned long long)__entry->tsc,
(unsigned int)__entry->cpu_id,
(__entry->changed) ? "true" : "false",
(__entry->fast_switch) ? "true" : "false"
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 9ce75ed..7be38bc 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -66,6 +66,18 @@ MODULE_PARM_DESC(shared_mem,
static struct cpufreq_driver amd_pstate_driver;
/**
+ * struct amd_aperf_mperf
+ * @aperf: actual performance frequency clock count
+ * @mperf: maximum performance frequency clock count
+ * @tsc: time stamp counter
+ */
+struct amd_aperf_mperf {
+ u64 aperf;
+ u64 mperf;
+ u64 tsc;
+};
+
+/**
* struct amd_cpudata - private CPU data for AMD P-State
* @cpu: CPU number
* @req: constraint request to apply
@@ -81,6 +93,9 @@ static struct cpufreq_driver amd_pstate_driver;
* @min_freq: the frequency that mapped to lowest_perf
* @nominal_freq: the frequency that mapped to nominal_perf
* @lowest_nonlinear_freq: the frequency that mapped to lowest_nonlinear_perf
+ * @cur: Difference of Aperf/Mperf/tsc count between last and current sample
+ * @prev: Last Aperf/Mperf/tsc count value read from register
+ * @freq: current cpu frequency value
* @boost_supported: check whether the Processor or SBIOS supports boost mode
*
* The amd_cpudata is key private data for each CPU thread in AMD P-State, and
@@ -102,6 +117,10 @@ struct amd_cpudata {
u32 nominal_freq;
u32 lowest_nonlinear_freq;
+ struct amd_aperf_mperf cur;
+ struct amd_aperf_mperf prev;
+
+ u64 freq;
bool boost_supported;
};
@@ -211,6 +230,39 @@ static inline void amd_pstate_update_perf(struct amd_cpudata *cpudata,
max_perf, fast_switch);
}
+static inline bool amd_pstate_sample(struct amd_cpudata *cpudata)
+{
+ u64 aperf, mperf, tsc;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ rdmsrl(MSR_IA32_APERF, aperf);
+ rdmsrl(MSR_IA32_MPERF, mperf);
+ tsc = rdtsc();
+
+ if (cpudata->prev.mperf == mperf || cpudata->prev.tsc == tsc) {
+ local_irq_restore(flags);
+ return false;
+ }
+
+ local_irq_restore(flags);
+
+ cpudata->cur.aperf = aperf;
+ cpudata->cur.mperf = mperf;
+ cpudata->cur.tsc = tsc;
+ cpudata->cur.aperf -= cpudata->prev.aperf;
+ cpudata->cur.mperf -= cpudata->prev.mperf;
+ cpudata->cur.tsc -= cpudata->prev.tsc;
+
+ cpudata->prev.aperf = aperf;
+ cpudata->prev.mperf = mperf;
+ cpudata->prev.tsc = tsc;
+
+ cpudata->freq = div64_u64((cpudata->cur.aperf * cpu_khz), cpudata->cur.mperf);
+
+ return true;
+}
+
static void amd_pstate_update(struct amd_cpudata *cpudata, u32 min_perf,
u32 des_perf, u32 max_perf, bool fast_switch)
{
@@ -226,8 +278,11 @@ static void amd_pstate_update(struct amd_cpudata *cpudata, u32 min_perf,
value &= ~AMD_CPPC_MAX_PERF(~0L);
value |= AMD_CPPC_MAX_PERF(max_perf);
- trace_amd_pstate_perf(min_perf, des_perf, max_perf,
- cpudata->cpu, (value != prev), fast_switch);
+ if (trace_amd_pstate_perf_enabled() && amd_pstate_sample(cpudata)) {
+ trace_amd_pstate_perf(min_perf, des_perf, max_perf, cpudata->freq,
+ cpudata->cur.mperf, cpudata->cur.aperf, cpudata->cur.tsc,
+ cpudata->cpu, (value != prev), fast_switch);
+ }
if (value == prev)
return;
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 3b15944..e9b6de3 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -143,9 +143,9 @@
utils/helpers/bitmask.h \
utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
-LIB_HEADERS = lib/cpufreq.h lib/cpupower.h lib/cpuidle.h
-LIB_SRC = lib/cpufreq.c lib/cpupower.c lib/cpuidle.c
-LIB_OBJS = lib/cpufreq.o lib/cpupower.o lib/cpuidle.o
+LIB_HEADERS = lib/cpufreq.h lib/cpupower.h lib/cpuidle.h lib/acpi_cppc.h
+LIB_SRC = lib/cpufreq.c lib/cpupower.c lib/cpuidle.c lib/acpi_cppc.c
+LIB_OBJS = lib/cpufreq.o lib/cpupower.o lib/cpuidle.o lib/acpi_cppc.o
LIB_OBJS := $(addprefix $(OUTPUT),$(LIB_OBJS))
override CFLAGS += -pipe
diff --git a/tools/power/cpupower/ToDo b/tools/power/cpupower/TODO
similarity index 100%
rename from tools/power/cpupower/ToDo
rename to tools/power/cpupower/TODO
diff --git a/tools/power/cpupower/lib/acpi_cppc.c b/tools/power/cpupower/lib/acpi_cppc.c
new file mode 100644
index 0000000..c401ac3
--- /dev/null
+++ b/tools/power/cpupower/lib/acpi_cppc.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "cpupower_intern.h"
+#include "acpi_cppc.h"
+
+/* ACPI CPPC sysfs access ***********************************************/
+
+static int acpi_cppc_read_file(unsigned int cpu, const char *fname,
+ char *buf, size_t buflen)
+{
+ char path[SYSFS_PATH_MAX];
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/acpi_cppc/%s",
+ cpu, fname);
+ return cpupower_read_sysfs(path, buf, buflen);
+}
+
+static const char * const acpi_cppc_value_files[] = {
+ [HIGHEST_PERF] = "highest_perf",
+ [LOWEST_PERF] = "lowest_perf",
+ [NOMINAL_PERF] = "nominal_perf",
+ [LOWEST_NONLINEAR_PERF] = "lowest_nonlinear_perf",
+ [LOWEST_FREQ] = "lowest_freq",
+ [NOMINAL_FREQ] = "nominal_freq",
+ [REFERENCE_PERF] = "reference_perf",
+ [WRAPAROUND_TIME] = "wraparound_time"
+};
+
+unsigned long acpi_cppc_get_data(unsigned int cpu, enum acpi_cppc_value which)
+{
+ unsigned long long value;
+ unsigned int len;
+ char linebuf[MAX_LINE_LEN];
+ char *endp;
+
+ if (which >= MAX_CPPC_VALUE_FILES)
+ return 0;
+
+ len = acpi_cppc_read_file(cpu, acpi_cppc_value_files[which],
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return 0;
+
+ value = strtoull(linebuf, &endp, 0);
+
+ if (endp == linebuf || errno == ERANGE)
+ return 0;
+
+ return value;
+}
diff --git a/tools/power/cpupower/lib/acpi_cppc.h b/tools/power/cpupower/lib/acpi_cppc.h
new file mode 100644
index 0000000..85ca830
--- /dev/null
+++ b/tools/power/cpupower/lib/acpi_cppc.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ACPI_CPPC_H__
+#define __ACPI_CPPC_H__
+
+enum acpi_cppc_value {
+ HIGHEST_PERF,
+ LOWEST_PERF,
+ NOMINAL_PERF,
+ LOWEST_NONLINEAR_PERF,
+ LOWEST_FREQ,
+ NOMINAL_FREQ,
+ REFERENCE_PERF,
+ WRAPAROUND_TIME,
+ MAX_CPPC_VALUE_FILES
+};
+
+unsigned long acpi_cppc_get_data(unsigned int cpu,
+ enum acpi_cppc_value which);
+
+#endif /* _ACPI_CPPC_H */
diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
index c3b56db..1516d23 100644
--- a/tools/power/cpupower/lib/cpufreq.c
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -83,20 +83,21 @@ static const char *cpufreq_value_files[MAX_CPUFREQ_VALUE_READ_FILES] = {
[STATS_NUM_TRANSITIONS] = "stats/total_trans"
};
-
-static unsigned long sysfs_cpufreq_get_one_value(unsigned int cpu,
- enum cpufreq_value which)
+unsigned long cpufreq_get_sysfs_value_from_table(unsigned int cpu,
+ const char **table,
+ unsigned int index,
+ unsigned int size)
{
unsigned long value;
unsigned int len;
char linebuf[MAX_LINE_LEN];
char *endp;
- if (which >= MAX_CPUFREQ_VALUE_READ_FILES)
+ if (!table || index >= size || !table[index])
return 0;
- len = sysfs_cpufreq_read_file(cpu, cpufreq_value_files[which],
- linebuf, sizeof(linebuf));
+ len = sysfs_cpufreq_read_file(cpu, table[index], linebuf,
+ sizeof(linebuf));
if (len == 0)
return 0;
@@ -109,6 +110,14 @@ static unsigned long sysfs_cpufreq_get_one_value(unsigned int cpu,
return value;
}
+static unsigned long sysfs_cpufreq_get_one_value(unsigned int cpu,
+ enum cpufreq_value which)
+{
+ return cpufreq_get_sysfs_value_from_table(cpu, cpufreq_value_files,
+ which,
+ MAX_CPUFREQ_VALUE_READ_FILES);
+}
+
/* read access to files which contain one string */
enum cpufreq_string {
@@ -124,7 +133,7 @@ static const char *cpufreq_string_files[MAX_CPUFREQ_STRING_FILES] = {
static char *sysfs_cpufreq_get_one_string(unsigned int cpu,
- enum cpufreq_string which)
+ enum cpufreq_string which)
{
char linebuf[MAX_LINE_LEN];
char *result;
diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h
index 95f4fd9..2f3c840 100644
--- a/tools/power/cpupower/lib/cpufreq.h
+++ b/tools/power/cpupower/lib/cpufreq.h
@@ -203,6 +203,18 @@ int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);
int cpufreq_set_frequency(unsigned int cpu,
unsigned long target_frequency);
+/*
+ * get the sysfs value from specific table
+ *
+ * Read the value with the sysfs file name from specific table. Does
+ * only work if the cpufreq driver has the specific sysfs interfaces.
+ */
+
+unsigned long cpufreq_get_sysfs_value_from_table(unsigned int cpu,
+ const char **table,
+ unsigned int index,
+ unsigned int size);
+
#ifdef __cplusplus
}
#endif
diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1
index 6aa8d23..dd545b4 100644
--- a/tools/power/cpupower/man/cpupower-frequency-info.1
+++ b/tools/power/cpupower/man/cpupower-frequency-info.1
@@ -53,6 +53,9 @@
\fB\-n\fR \fB\-\-no-rounding\fR
Output frequencies and latencies without rounding off values.
.TP
+\fB\-c\fR \fB\-\-perf\fR
+Get performances and frequencies capabilities of CPPC, by reading it from hardware (only available on the hardware with CPPC).
+.TP
.SH "REMARKS"
.LP
By default only values of core zero are displayed. How to display settings of
diff --git a/tools/power/cpupower/man/cpupower-idle-set.1 b/tools/power/cpupower/man/cpupower-idle-set.1
index 21916cf..8cef3c7 100644
--- a/tools/power/cpupower/man/cpupower-idle-set.1
+++ b/tools/power/cpupower/man/cpupower-idle-set.1
@@ -4,7 +4,7 @@
cpupower\-idle\-set \- Utility to set cpu idle state specific kernel options
.SH "SYNTAX"
.LP
-cpupower [ \-c cpulist ] idle\-info [\fIoptions\fP]
+cpupower [ \-c cpulist ] idle\-set [\fIoptions\fP]
.SH "DESCRIPTION"
.LP
The cpupower idle\-set subcommand allows to set cpu idle, also called cpu
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index f9895e3..0646f61 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -84,43 +84,6 @@ static void proc_cpufreq_output(void)
}
static int no_rounding;
-static void print_speed(unsigned long speed)
-{
- unsigned long tmp;
-
- if (no_rounding) {
- if (speed > 1000000)
- printf("%u.%06u GHz", ((unsigned int) speed/1000000),
- ((unsigned int) speed%1000000));
- else if (speed > 1000)
- printf("%u.%03u MHz", ((unsigned int) speed/1000),
- (unsigned int) (speed%1000));
- else
- printf("%lu kHz", speed);
- } else {
- if (speed > 1000000) {
- tmp = speed%10000;
- if (tmp >= 5000)
- speed += 10000;
- printf("%u.%02u GHz", ((unsigned int) speed/1000000),
- ((unsigned int) (speed%1000000)/10000));
- } else if (speed > 100000) {
- tmp = speed%1000;
- if (tmp >= 500)
- speed += 1000;
- printf("%u MHz", ((unsigned int) speed/1000));
- } else if (speed > 1000) {
- tmp = speed%100;
- if (tmp >= 50)
- speed += 100;
- printf("%u.%01u MHz", ((unsigned int) speed/1000),
- ((unsigned int) (speed%1000)/100));
- }
- }
-
- return;
-}
-
static void print_duration(unsigned long duration)
{
unsigned long tmp;
@@ -183,9 +146,12 @@ static int get_boost_mode_x86(unsigned int cpu)
printf(_(" Supported: %s\n"), support ? _("yes") : _("no"));
printf(_(" Active: %s\n"), active ? _("yes") : _("no"));
- if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
- cpupower_cpu_info.family >= 0x10) ||
- cpupower_cpu_info.vendor == X86_VENDOR_HYGON) {
+ if (cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
+ cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) {
+ return 0;
+ } else if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
+ cpupower_cpu_info.family >= 0x10) ||
+ cpupower_cpu_info.vendor == X86_VENDOR_HYGON) {
ret = decode_pstates(cpu, b_states, pstates, &pstate_no);
if (ret)
return ret;
@@ -254,11 +220,11 @@ static int get_boost_mode(unsigned int cpu)
if (freqs) {
printf(_(" boost frequency steps: "));
while (freqs->next) {
- print_speed(freqs->frequency);
+ print_speed(freqs->frequency, no_rounding);
printf(", ");
freqs = freqs->next;
}
- print_speed(freqs->frequency);
+ print_speed(freqs->frequency, no_rounding);
printf("\n");
cpufreq_put_available_frequencies(freqs);
}
@@ -277,7 +243,7 @@ static int get_freq_kernel(unsigned int cpu, unsigned int human)
return -EINVAL;
}
if (human) {
- print_speed(freq);
+ print_speed(freq, no_rounding);
} else
printf("%lu", freq);
printf(_(" (asserted by call to kernel)\n"));
@@ -296,7 +262,7 @@ static int get_freq_hardware(unsigned int cpu, unsigned int human)
return -EINVAL;
}
if (human) {
- print_speed(freq);
+ print_speed(freq, no_rounding);
} else
printf("%lu", freq);
printf(_(" (asserted by call to hardware)\n"));
@@ -316,9 +282,9 @@ static int get_hardware_limits(unsigned int cpu, unsigned int human)
if (human) {
printf(_(" hardware limits: "));
- print_speed(min);
+ print_speed(min, no_rounding);
printf(" - ");
- print_speed(max);
+ print_speed(max, no_rounding);
printf("\n");
} else {
printf("%lu %lu\n", min, max);
@@ -350,9 +316,9 @@ static int get_policy(unsigned int cpu)
return -EINVAL;
}
printf(_(" current policy: frequency should be within "));
- print_speed(policy->min);
+ print_speed(policy->min, no_rounding);
printf(_(" and "));
- print_speed(policy->max);
+ print_speed(policy->max, no_rounding);
printf(".\n ");
printf(_("The governor \"%s\" may decide which speed to use\n"
@@ -436,7 +402,7 @@ static int get_freq_stats(unsigned int cpu, unsigned int human)
struct cpufreq_stats *stats = cpufreq_get_stats(cpu, &total_time);
while (stats) {
if (human) {
- print_speed(stats->frequency);
+ print_speed(stats->frequency, no_rounding);
printf(":%.2f%%",
(100.0 * stats->time_in_state) / total_time);
} else
@@ -472,6 +438,17 @@ static int get_latency(unsigned int cpu, unsigned int human)
return 0;
}
+/* --performance / -c */
+
+static int get_perf_cap(unsigned int cpu)
+{
+ if (cpupower_cpu_info.vendor == X86_VENDOR_AMD &&
+ cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE)
+ amd_pstate_show_perf_and_freq(cpu, no_rounding);
+
+ return 0;
+}
+
static void debug_output_one(unsigned int cpu)
{
struct cpufreq_available_frequencies *freqs;
@@ -486,11 +463,11 @@ static void debug_output_one(unsigned int cpu)
if (freqs) {
printf(_(" available frequency steps: "));
while (freqs->next) {
- print_speed(freqs->frequency);
+ print_speed(freqs->frequency, no_rounding);
printf(", ");
freqs = freqs->next;
}
- print_speed(freqs->frequency);
+ print_speed(freqs->frequency, no_rounding);
printf("\n");
cpufreq_put_available_frequencies(freqs);
}
@@ -500,6 +477,7 @@ static void debug_output_one(unsigned int cpu)
if (get_freq_hardware(cpu, 1) < 0)
get_freq_kernel(cpu, 1);
get_boost_mode(cpu);
+ get_perf_cap(cpu);
}
static struct option info_opts[] = {
@@ -518,6 +496,7 @@ static struct option info_opts[] = {
{"proc", no_argument, NULL, 'o'},
{"human", no_argument, NULL, 'm'},
{"no-rounding", no_argument, NULL, 'n'},
+ {"performance", no_argument, NULL, 'c'},
{ },
};
@@ -531,7 +510,7 @@ int cmd_freq_info(int argc, char **argv)
int output_param = 0;
do {
- ret = getopt_long(argc, argv, "oefwldpgrasmybn", info_opts,
+ ret = getopt_long(argc, argv, "oefwldpgrasmybnc", info_opts,
NULL);
switch (ret) {
case '?':
@@ -554,6 +533,7 @@ int cmd_freq_info(int argc, char **argv)
case 'e':
case 's':
case 'y':
+ case 'c':
if (output_param) {
output_param = -1;
cont = 0;
@@ -660,6 +640,9 @@ int cmd_freq_info(int argc, char **argv)
case 'y':
ret = get_latency(cpu, human);
break;
+ case 'c':
+ ret = get_perf_cap(cpu);
+ break;
}
if (ret)
return ret;
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 97f2c85..c519cc8 100644
--- a/tools/power/cpupower/utils/helpers/amd.c
+++ b/tools/power/cpupower/utils/helpers/amd.c
@@ -8,7 +8,10 @@
#include <pci/pci.h>
#include "helpers/helpers.h"
+#include "cpufreq.h"
+#include "acpi_cppc.h"
+/* ACPI P-States Helper Functions for AMD Processors ***************/
#define MSR_AMD_PSTATE_STATUS 0xc0010063
#define MSR_AMD_PSTATE 0xc0010064
#define MSR_AMD_PSTATE_LIMIT 0xc0010061
@@ -146,4 +149,78 @@ int amd_pci_get_num_boost_states(int *active, int *states)
pci_cleanup(pci_acc);
return 0;
}
+
+/* ACPI P-States Helper Functions for AMD Processors ***************/
+
+/* AMD P-State Helper Functions ************************************/
+enum amd_pstate_value {
+ AMD_PSTATE_HIGHEST_PERF,
+ AMD_PSTATE_MAX_FREQ,
+ AMD_PSTATE_LOWEST_NONLINEAR_FREQ,
+ MAX_AMD_PSTATE_VALUE_READ_FILES,
+};
+
+static const char *amd_pstate_value_files[MAX_AMD_PSTATE_VALUE_READ_FILES] = {
+ [AMD_PSTATE_HIGHEST_PERF] = "amd_pstate_highest_perf",
+ [AMD_PSTATE_MAX_FREQ] = "amd_pstate_max_freq",
+ [AMD_PSTATE_LOWEST_NONLINEAR_FREQ] = "amd_pstate_lowest_nonlinear_freq",
+};
+
+static unsigned long amd_pstate_get_data(unsigned int cpu,
+ enum amd_pstate_value value)
+{
+ return cpufreq_get_sysfs_value_from_table(cpu,
+ amd_pstate_value_files,
+ value,
+ MAX_AMD_PSTATE_VALUE_READ_FILES);
+}
+
+void amd_pstate_boost_init(unsigned int cpu, int *support, int *active)
+{
+ unsigned long highest_perf, nominal_perf, cpuinfo_min,
+ cpuinfo_max, amd_pstate_max;
+
+ highest_perf = amd_pstate_get_data(cpu, AMD_PSTATE_HIGHEST_PERF);
+ nominal_perf = acpi_cppc_get_data(cpu, NOMINAL_PERF);
+
+ *support = highest_perf > nominal_perf ? 1 : 0;
+ if (!(*support))
+ return;
+
+ cpufreq_get_hardware_limits(cpu, &cpuinfo_min, &cpuinfo_max);
+ amd_pstate_max = amd_pstate_get_data(cpu, AMD_PSTATE_MAX_FREQ);
+
+ *active = cpuinfo_max == amd_pstate_max ? 1 : 0;
+}
+
+void amd_pstate_show_perf_and_freq(unsigned int cpu, int no_rounding)
+{
+ printf(_(" AMD PSTATE Highest Performance: %lu. Maximum Frequency: "),
+ amd_pstate_get_data(cpu, AMD_PSTATE_HIGHEST_PERF));
+ /*
+ * If boost isn't active, the cpuinfo_max doesn't indicate real max
+ * frequency. So we read it back from amd-pstate sysfs entry.
+ */
+ print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_MAX_FREQ), no_rounding);
+ printf(".\n");
+
+ printf(_(" AMD PSTATE Nominal Performance: %lu. Nominal Frequency: "),
+ acpi_cppc_get_data(cpu, NOMINAL_PERF));
+ print_speed(acpi_cppc_get_data(cpu, NOMINAL_FREQ) * 1000,
+ no_rounding);
+ printf(".\n");
+
+ printf(_(" AMD PSTATE Lowest Non-linear Performance: %lu. Lowest Non-linear Frequency: "),
+ acpi_cppc_get_data(cpu, LOWEST_NONLINEAR_PERF));
+ print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_LOWEST_NONLINEAR_FREQ),
+ no_rounding);
+ printf(".\n");
+
+ printf(_(" AMD PSTATE Lowest Performance: %lu. Lowest Frequency: "),
+ acpi_cppc_get_data(cpu, LOWEST_PERF));
+ print_speed(acpi_cppc_get_data(cpu, LOWEST_FREQ) * 1000, no_rounding);
+ printf(".\n");
+}
+
+/* AMD P-State Helper Functions ************************************/
#endif /* defined(__i386__) || defined(__x86_64__) */
diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c
index 72eb435..eae91f1 100644
--- a/tools/power/cpupower/utils/helpers/cpuid.c
+++ b/tools/power/cpupower/utils/helpers/cpuid.c
@@ -149,6 +149,19 @@ int get_cpu_info(struct cpupower_cpu_info *cpu_info)
if (ext_cpuid_level >= 0x80000008 &&
cpuid_ebx(0x80000008) & (1 << 4))
cpu_info->caps |= CPUPOWER_CAP_AMD_RDPRU;
+
+ if (cpupower_amd_pstate_enabled()) {
+ cpu_info->caps |= CPUPOWER_CAP_AMD_PSTATE;
+
+ /*
+ * If AMD P-State is enabled, the firmware will treat
+ * AMD P-State function as high priority.
+ */
+ cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB;
+ cpu_info->caps &= ~CPUPOWER_CAP_AMD_CPB_MSR;
+ cpu_info->caps &= ~CPUPOWER_CAP_AMD_HW_PSTATE;
+ cpu_info->caps &= ~CPUPOWER_CAP_AMD_PSTATEDEF;
+ }
}
if (cpu_info->vendor == X86_VENDOR_INTEL) {
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index 33fface..96e4bed 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -11,6 +11,7 @@
#include <libintl.h>
#include <locale.h>
+#include <stdbool.h>
#include "helpers/bitmask.h"
#include <cpupower.h>
@@ -73,6 +74,7 @@ enum cpupower_cpu_vendor {X86_VENDOR_UNKNOWN = 0, X86_VENDOR_INTEL,
#define CPUPOWER_CAP_AMD_HW_PSTATE 0x00000100
#define CPUPOWER_CAP_AMD_PSTATEDEF 0x00000200
#define CPUPOWER_CAP_AMD_CPB_MSR 0x00000400
+#define CPUPOWER_CAP_AMD_PSTATE 0x00000800
#define CPUPOWER_AMD_CPBDIS 0x02000000
@@ -135,6 +137,16 @@ extern int decode_pstates(unsigned int cpu, int boost_states,
extern int cpufreq_has_boost_support(unsigned int cpu, int *support,
int *active, int * states);
+
+/* AMD P-State stuff **************************/
+bool cpupower_amd_pstate_enabled(void);
+void amd_pstate_boost_init(unsigned int cpu,
+ int *support, int *active);
+void amd_pstate_show_perf_and_freq(unsigned int cpu,
+ int no_rounding);
+
+/* AMD P-State stuff **************************/
+
/*
* CPUID functions returning a single datum
*/
@@ -167,6 +179,15 @@ static inline int cpufreq_has_boost_support(unsigned int cpu, int *support,
int *active, int * states)
{ return -1; }
+static inline bool cpupower_amd_pstate_enabled(void)
+{ return false; }
+static inline void amd_pstate_boost_init(unsigned int cpu, int *support,
+ int *active)
+{}
+static inline void amd_pstate_show_perf_and_freq(unsigned int cpu,
+ int no_rounding)
+{}
+
/* cpuid and cpuinfo helpers **************************/
static inline unsigned int cpuid_eax(unsigned int op) { return 0; };
@@ -184,5 +205,6 @@ extern struct bitmask *offline_cpus;
void get_cpustate(void);
void print_online_cpus(void);
void print_offline_cpus(void);
+void print_speed(unsigned long speed, int no_rounding);
#endif /* __CPUPOWERUTILS_HELPERS__ */
diff --git a/tools/power/cpupower/utils/helpers/misc.c b/tools/power/cpupower/utils/helpers/misc.c
index fc6e345..9547b29 100644
--- a/tools/power/cpupower/utils/helpers/misc.c
+++ b/tools/power/cpupower/utils/helpers/misc.c
@@ -3,9 +3,11 @@
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
+#include <string.h>
#include "helpers/helpers.h"
#include "helpers/sysfs.h"
+#include "cpufreq.h"
#if defined(__i386__) || defined(__x86_64__)
@@ -39,6 +41,8 @@ int cpufreq_has_boost_support(unsigned int cpu, int *support, int *active,
if (ret)
return ret;
}
+ } else if (cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) {
+ amd_pstate_boost_init(cpu, support, active);
} else if (cpupower_cpu_info.caps & CPUPOWER_CAP_INTEL_IDA)
*support = *active = 1;
return 0;
@@ -83,6 +87,22 @@ int cpupower_intel_set_perf_bias(unsigned int cpu, unsigned int val)
return 0;
}
+bool cpupower_amd_pstate_enabled(void)
+{
+ char *driver = cpufreq_get_driver(0);
+ bool ret = false;
+
+ if (!driver)
+ return ret;
+
+ if (!strcmp(driver, "amd-pstate"))
+ ret = true;
+
+ cpufreq_put_driver(driver);
+
+ return ret;
+}
+
#endif /* #if defined(__i386__) || defined(__x86_64__) */
/* get_cpustate
@@ -144,3 +164,43 @@ void print_offline_cpus(void)
printf(_("cpupower set operation was not performed on them\n"));
}
}
+
+/*
+ * print_speed
+ *
+ * Print the exact CPU frequency with appropriate unit
+ */
+void print_speed(unsigned long speed, int no_rounding)
+{
+ unsigned long tmp;
+
+ if (no_rounding) {
+ if (speed > 1000000)
+ printf("%u.%06u GHz", ((unsigned int)speed / 1000000),
+ ((unsigned int)speed % 1000000));
+ else if (speed > 1000)
+ printf("%u.%03u MHz", ((unsigned int)speed / 1000),
+ (unsigned int)(speed % 1000));
+ else
+ printf("%lu kHz", speed);
+ } else {
+ if (speed > 1000000) {
+ tmp = speed % 10000;
+ if (tmp >= 5000)
+ speed += 10000;
+ printf("%u.%02u GHz", ((unsigned int)speed / 1000000),
+ ((unsigned int)(speed % 1000000) / 10000));
+ } else if (speed > 100000) {
+ tmp = speed % 1000;
+ if (tmp >= 500)
+ speed += 1000;
+ printf("%u MHz", ((unsigned int)speed / 1000));
+ } else if (speed > 1000) {
+ tmp = speed % 100;
+ if (tmp >= 50)
+ speed += 100;
+ printf("%u.%01u MHz", ((unsigned int)speed / 1000),
+ ((unsigned int)(speed % 1000) / 100));
+ }
+ }
+}
diff --git a/tools/power/x86/amd_pstate_tracer/amd_pstate_trace.py b/tools/power/x86/amd_pstate_tracer/amd_pstate_trace.py
new file mode 100755
index 0000000..2dea4032
--- /dev/null
+++ b/tools/power/x86/amd_pstate_tracer/amd_pstate_trace.py
@@ -0,0 +1,354 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-only
+# -*- coding: utf-8 -*-
+#
+""" This utility can be used to debug and tune the performance of the
+AMD P-State driver. It imports intel_pstate_tracer to analyze AMD P-State
+trace event.
+
+Prerequisites:
+ Python version 2.7.x or higher
+ gnuplot 5.0 or higher
+ gnuplot-py 1.8 or higher
+ (Most of the distributions have these required packages. They may be called
+ gnuplot-py, phython-gnuplot or phython3-gnuplot, gnuplot-nox, ... )
+
+ Kernel config for Linux trace is enabled
+
+ see print_help(): for Usage and Output details
+
+"""
+from __future__ import print_function
+from datetime import datetime
+import subprocess
+import os
+import time
+import re
+import signal
+import sys
+import getopt
+import Gnuplot
+from numpy import *
+from decimal import *
+sys.path.append('../intel_pstate_tracer')
+#import intel_pstate_tracer
+import intel_pstate_tracer as ipt
+
+__license__ = "GPL version 2"
+
+MAX_CPUS = 256
+# Define the csv file columns
+C_COMM = 15
+C_ELAPSED = 14
+C_SAMPLE = 13
+C_DURATION = 12
+C_LOAD = 11
+C_TSC = 10
+C_APERF = 9
+C_MPERF = 8
+C_FREQ = 7
+C_MAX_PERF = 6
+C_DES_PERF = 5
+C_MIN_PERF = 4
+C_USEC = 3
+C_SEC = 2
+C_CPU = 1
+
+global sample_num, last_sec_cpu, last_usec_cpu, start_time, test_name, trace_file
+
+getcontext().prec = 11
+
+sample_num =0
+last_sec_cpu = [0] * MAX_CPUS
+last_usec_cpu = [0] * MAX_CPUS
+
+def plot_per_cpu_freq(cpu_index):
+ """ Plot per cpu frequency """
+
+ file_name = 'cpu{:0>3}.csv'.format(cpu_index)
+ if os.path.exists(file_name):
+ output_png = "cpu%03d_frequency.png" % cpu_index
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set yrange [0:7]')
+ g_plot('set ytics 0, 1')
+ g_plot('set ylabel "CPU Frequency (GHz)"')
+ g_plot('set title "{} : frequency : CPU {:0>3} : {:%F %H:%M}"'.format(test_name, cpu_index, datetime.now()))
+ g_plot('set ylabel "CPU frequency"')
+ g_plot('set key off')
+ ipt.set_4_plot_linestyles(g_plot)
+ g_plot('plot "' + file_name + '" using {:d}:{:d} with linespoints linestyle 1 axis x1y1'.format(C_ELAPSED, C_FREQ))
+
+def plot_per_cpu_des_perf(cpu_index):
+ """ Plot per cpu desired perf """
+
+ file_name = 'cpu{:0>3}.csv'.format(cpu_index)
+ if os.path.exists(file_name):
+ output_png = "cpu%03d_des_perf.png" % cpu_index
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set yrange [0:255]')
+ g_plot('set ylabel "des perf"')
+ g_plot('set title "{} : cpu des perf : CPU {:0>3} : {:%F %H:%M}"'.format(test_name, cpu_index, datetime.now()))
+ g_plot('set key off')
+ ipt.set_4_plot_linestyles(g_plot)
+ g_plot('plot "' + file_name + '" using {:d}:{:d} with linespoints linestyle 1 axis x1y1'.format(C_ELAPSED, C_DES_PERF))
+
+def plot_per_cpu_load(cpu_index):
+ """ Plot per cpu load """
+
+ file_name = 'cpu{:0>3}.csv'.format(cpu_index)
+ if os.path.exists(file_name):
+ output_png = "cpu%03d_load.png" % cpu_index
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set yrange [0:100]')
+ g_plot('set ytics 0, 10')
+ g_plot('set ylabel "CPU load (percent)"')
+ g_plot('set title "{} : cpu load : CPU {:0>3} : {:%F %H:%M}"'.format(test_name, cpu_index, datetime.now()))
+ g_plot('set key off')
+ ipt.set_4_plot_linestyles(g_plot)
+ g_plot('plot "' + file_name + '" using {:d}:{:d} with linespoints linestyle 1 axis x1y1'.format(C_ELAPSED, C_LOAD))
+
+def plot_all_cpu_frequency():
+ """ Plot all cpu frequencies """
+
+ output_png = 'all_cpu_frequencies.png'
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set ylabel "CPU Frequency (GHz)"')
+ g_plot('set title "{} : cpu frequencies : {:%F %H:%M}"'.format(test_name, datetime.now()))
+
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
+ plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_FREQ)
+ g_plot('title_list = "{}"'.format(title_list))
+ g_plot(plot_str)
+
+def plot_all_cpu_des_perf():
+ """ Plot all cpu desired perf """
+
+ output_png = 'all_cpu_des_perf.png'
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set ylabel "des perf"')
+ g_plot('set title "{} : cpu des perf : {:%F %H:%M}"'.format(test_name, datetime.now()))
+
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
+ plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 255 ps 1 title i".format(C_ELAPSED, C_DES_PERF)
+ g_plot('title_list = "{}"'.format(title_list))
+ g_plot(plot_str)
+
+def plot_all_cpu_load():
+ """ Plot all cpu load """
+
+ output_png = 'all_cpu_load.png'
+ g_plot = ipt.common_gnuplot_settings()
+ g_plot('set output "' + output_png + '"')
+ g_plot('set yrange [0:100]')
+ g_plot('set ylabel "CPU load (percent)"')
+ g_plot('set title "{} : cpu load : {:%F %H:%M}"'.format(test_name, datetime.now()))
+
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
+ plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 255 ps 1 title i".format(C_ELAPSED, C_LOAD)
+ g_plot('title_list = "{}"'.format(title_list))
+ g_plot(plot_str)
+
+def store_csv(cpu_int, time_pre_dec, time_post_dec, min_perf, des_perf, max_perf, freq_ghz, mperf, aperf, tsc, common_comm, load, duration_ms, sample_num, elapsed_time, cpu_mask):
+ """ Store master csv file information """
+
+ global graph_data_present
+
+ if cpu_mask[cpu_int] == 0:
+ return
+
+ try:
+ f_handle = open('cpu.csv', 'a')
+ string_buffer = "CPU_%03u, %05u, %06u, %u, %u, %u, %.4f, %u, %u, %u, %.2f, %.3f, %u, %.3f, %s\n" % (cpu_int, int(time_pre_dec), int(time_post_dec), int(min_perf), int(des_perf), int(max_perf), freq_ghz, int(mperf), int(aperf), int(tsc), load, duration_ms, sample_num, elapsed_time, common_comm)
+ f_handle.write(string_buffer)
+ f_handle.close()
+ except:
+ print('IO error cpu.csv')
+ return
+
+ graph_data_present = True;
+
+
+def cleanup_data_files():
+ """ clean up existing data files """
+
+ if os.path.exists('cpu.csv'):
+ os.remove('cpu.csv')
+ f_handle = open('cpu.csv', 'a')
+ f_handle.write('common_cpu, common_secs, common_usecs, min_perf, des_perf, max_perf, freq, mperf, aperf, tsc, load, duration_ms, sample_num, elapsed_time, common_comm')
+ f_handle.write('\n')
+ f_handle.close()
+
+def read_trace_data(file_name, cpu_mask):
+ """ Read and parse trace data """
+
+ global current_max_cpu
+ global sample_num, last_sec_cpu, last_usec_cpu, start_time
+
+ try:
+ data = open(file_name, 'r').read()
+ except:
+ print('Error opening ', file_name)
+ sys.exit(2)
+
+ for line in data.splitlines():
+ search_obj = \
+ re.search(r'(^(.*?)\[)((\d+)[^\]])(.*?)(\d+)([.])(\d+)(.*?amd_min_perf=)(\d+)(.*?amd_des_perf=)(\d+)(.*?amd_max_perf=)(\d+)(.*?freq=)(\d+)(.*?mperf=)(\d+)(.*?aperf=)(\d+)(.*?tsc=)(\d+)'
+ , line)
+
+ if search_obj:
+ cpu = search_obj.group(3)
+ cpu_int = int(cpu)
+ cpu = str(cpu_int)
+
+ time_pre_dec = search_obj.group(6)
+ time_post_dec = search_obj.group(8)
+ min_perf = search_obj.group(10)
+ des_perf = search_obj.group(12)
+ max_perf = search_obj.group(14)
+ freq = search_obj.group(16)
+ mperf = search_obj.group(18)
+ aperf = search_obj.group(20)
+ tsc = search_obj.group(22)
+
+ common_comm = search_obj.group(2).replace(' ', '')
+
+ if sample_num == 0 :
+ start_time = Decimal(time_pre_dec) + Decimal(time_post_dec) / Decimal(1000000)
+ sample_num += 1
+
+ if last_sec_cpu[cpu_int] == 0 :
+ last_sec_cpu[cpu_int] = time_pre_dec
+ last_usec_cpu[cpu_int] = time_post_dec
+ else :
+ duration_us = (int(time_pre_dec) - int(last_sec_cpu[cpu_int])) * 1000000 + (int(time_post_dec) - int(last_usec_cpu[cpu_int]))
+ duration_ms = Decimal(duration_us) / Decimal(1000)
+ last_sec_cpu[cpu_int] = time_pre_dec
+ last_usec_cpu[cpu_int] = time_post_dec
+ elapsed_time = Decimal(time_pre_dec) + Decimal(time_post_dec) / Decimal(1000000) - start_time
+ load = Decimal(int(mperf)*100)/ Decimal(tsc)
+ freq_ghz = Decimal(freq)/Decimal(1000000)
+ store_csv(cpu_int, time_pre_dec, time_post_dec, min_perf, des_perf, max_perf, freq_ghz, mperf, aperf, tsc, common_comm, load, duration_ms, sample_num, elapsed_time, cpu_mask)
+
+ if cpu_int > current_max_cpu:
+ current_max_cpu = cpu_int
+# Now separate the main overall csv file into per CPU csv files.
+ ipt.split_csv(current_max_cpu, cpu_mask)
+
+
+def signal_handler(signal, frame):
+ print(' SIGINT: Forcing cleanup before exit.')
+ if interval:
+ ipt.disable_trace(trace_file)
+ ipt.clear_trace_file()
+ ipt.free_trace_buffer()
+ sys.exit(0)
+
+trace_file = "/sys/kernel/debug/tracing/events/amd_cpu/enable"
+signal.signal(signal.SIGINT, signal_handler)
+
+interval = ""
+file_name = ""
+cpu_list = ""
+test_name = ""
+memory = "10240"
+graph_data_present = False;
+
+valid1 = False
+valid2 = False
+
+cpu_mask = zeros((MAX_CPUS,), dtype=int)
+
+
+try:
+ opts, args = getopt.getopt(sys.argv[1:],"ht:i:c:n:m:",["help","trace_file=","interval=","cpu=","name=","memory="])
+except getopt.GetoptError:
+ ipt.print_help('amd_pstate')
+ sys.exit(2)
+for opt, arg in opts:
+ if opt == '-h':
+ print()
+ sys.exit()
+ elif opt in ("-t", "--trace_file"):
+ valid1 = True
+ location = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
+ file_name = os.path.join(location, arg)
+ elif opt in ("-i", "--interval"):
+ valid1 = True
+ interval = arg
+ elif opt in ("-c", "--cpu"):
+ cpu_list = arg
+ elif opt in ("-n", "--name"):
+ valid2 = True
+ test_name = arg
+ elif opt in ("-m", "--memory"):
+ memory = arg
+
+if not (valid1 and valid2):
+ ipt.print_help('amd_pstate')
+ sys.exit()
+
+if cpu_list:
+ for p in re.split("[,]", cpu_list):
+ if int(p) < MAX_CPUS :
+ cpu_mask[int(p)] = 1
+else:
+ for i in range (0, MAX_CPUS):
+ cpu_mask[i] = 1
+
+if not os.path.exists('results'):
+ os.mkdir('results')
+ ipt.fix_ownership('results')
+
+os.chdir('results')
+if os.path.exists(test_name):
+ print('The test name directory already exists. Please provide a unique test name. Test re-run not supported, yet.')
+ sys.exit()
+os.mkdir(test_name)
+ipt.fix_ownership(test_name)
+os.chdir(test_name)
+
+cur_version = sys.version_info
+print('python version (should be >= 2.7):')
+print(cur_version)
+
+cleanup_data_files()
+
+if interval:
+ file_name = "/sys/kernel/debug/tracing/trace"
+ ipt.clear_trace_file()
+ ipt.set_trace_buffer_size(memory)
+ ipt.enable_trace(trace_file)
+ time.sleep(int(interval))
+ ipt.disable_trace(trace_file)
+
+current_max_cpu = 0
+
+read_trace_data(file_name, cpu_mask)
+
+if interval:
+ ipt.clear_trace_file()
+ ipt.free_trace_buffer()
+
+if graph_data_present == False:
+ print('No valid data to plot')
+ sys.exit(2)
+
+for cpu_no in range(0, current_max_cpu + 1):
+ plot_per_cpu_freq(cpu_no)
+ plot_per_cpu_des_perf(cpu_no)
+ plot_per_cpu_load(cpu_no)
+
+plot_all_cpu_des_perf()
+plot_all_cpu_frequency()
+plot_all_cpu_load()
+
+for root, dirs, files in os.walk('.'):
+ for f in files:
+ ipt.fix_ownership(f)
+
+os.chdir('../../')
diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index e15e206..b46e9eb 100755
--- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -63,7 +63,7 @@
C_SEC = 2
C_CPU = 1
-global sample_num, last_sec_cpu, last_usec_cpu, start_time, testname
+global sample_num, last_sec_cpu, last_usec_cpu, start_time, testname, trace_file
# 11 digits covers uptime to 115 days
getcontext().prec = 11
@@ -72,17 +72,17 @@
last_sec_cpu = [0] * MAX_CPUS
last_usec_cpu = [0] * MAX_CPUS
-def print_help():
- print('intel_pstate_tracer.py:')
+def print_help(driver_name):
+ print('%s_tracer.py:'%driver_name)
print(' Usage:')
print(' If the trace file is available, then to simply parse and plot, use (sudo not required):')
- print(' ./intel_pstate_tracer.py [-c cpus] -t <trace_file> -n <test_name>')
+ print(' ./%s_tracer.py [-c cpus] -t <trace_file> -n <test_name>'%driver_name)
print(' Or')
- print(' ./intel_pstate_tracer.py [--cpu cpus] ---trace_file <trace_file> --name <test_name>')
+ print(' ./%s_tracer.py [--cpu cpus] ---trace_file <trace_file> --name <test_name>'%driver_name)
print(' To generate trace file, parse and plot, use (sudo required):')
- print(' sudo ./intel_pstate_tracer.py [-c cpus] -i <interval> -n <test_name> -m <kbytes>')
+ print(' sudo ./%s_tracer.py [-c cpus] -i <interval> -n <test_name> -m <kbytes>'%driver_name)
print(' Or')
- print(' sudo ./intel_pstate_tracer.py [--cpu cpus] --interval <interval> --name <test_name> --memory <kbytes>')
+ print(' sudo ./%s_tracer.py [--cpu cpus] --interval <interval> --name <test_name> --memory <kbytes>'%driver_name)
print(' Optional argument:')
print(' cpus: comma separated list of CPUs')
print(' kbytes: Kilo bytes of memory per CPU to allocate to the trace buffer. Default: 10240')
@@ -323,7 +323,7 @@
g_plot('set style line 3 linetype 1 linecolor rgb "purple" pointtype -1')
g_plot('set style line 4 linetype 1 linecolor rgb "blue" pointtype -1')
-def store_csv(cpu_int, time_pre_dec, time_post_dec, core_busy, scaled, _from, _to, mperf, aperf, tsc, freq_ghz, io_boost, common_comm, load, duration_ms, sample_num, elapsed_time, tsc_ghz):
+def store_csv(cpu_int, time_pre_dec, time_post_dec, core_busy, scaled, _from, _to, mperf, aperf, tsc, freq_ghz, io_boost, common_comm, load, duration_ms, sample_num, elapsed_time, tsc_ghz, cpu_mask):
""" Store master csv file information """
global graph_data_present
@@ -342,11 +342,9 @@
graph_data_present = True;
-def split_csv():
+def split_csv(current_max_cpu, cpu_mask):
""" seperate the all csv file into per CPU csv files. """
- global current_max_cpu
-
if os.path.exists('cpu.csv'):
for index in range(0, current_max_cpu + 1):
if cpu_mask[int(index)] != 0:
@@ -381,27 +379,25 @@
print('IO error clearing trace file ')
sys.exit(2)
-def enable_trace():
+def enable_trace(trace_file):
""" Enable trace """
try:
- open('/sys/kernel/debug/tracing/events/power/pstate_sample/enable'
- , 'w').write("1")
+ open(trace_file,'w').write("1")
except:
print('IO error enabling trace ')
sys.exit(2)
-def disable_trace():
+def disable_trace(trace_file):
""" Disable trace """
try:
- open('/sys/kernel/debug/tracing/events/power/pstate_sample/enable'
- , 'w').write("0")
+ open(trace_file, 'w').write("0")
except:
print('IO error disabling trace ')
sys.exit(2)
-def set_trace_buffer_size():
+def set_trace_buffer_size(memory):
""" Set trace buffer size """
try:
@@ -421,7 +417,7 @@
print('IO error freeing trace buffer ')
sys.exit(2)
-def read_trace_data(filename):
+def read_trace_data(filename, cpu_mask):
""" Read and parse trace data """
global current_max_cpu
@@ -481,135 +477,137 @@
tsc_ghz = Decimal(0)
if duration_ms != Decimal(0) :
tsc_ghz = Decimal(tsc)/duration_ms/Decimal(1000000)
- store_csv(cpu_int, time_pre_dec, time_post_dec, core_busy, scaled, _from, _to, mperf, aperf, tsc, freq_ghz, io_boost, common_comm, load, duration_ms, sample_num, elapsed_time, tsc_ghz)
+ store_csv(cpu_int, time_pre_dec, time_post_dec, core_busy, scaled, _from, _to, mperf, aperf, tsc, freq_ghz, io_boost, common_comm, load, duration_ms, sample_num, elapsed_time, tsc_ghz, cpu_mask)
if cpu_int > current_max_cpu:
current_max_cpu = cpu_int
# End of for each trace line loop
# Now seperate the main overall csv file into per CPU csv files.
- split_csv()
+ split_csv(current_max_cpu, cpu_mask)
def signal_handler(signal, frame):
print(' SIGINT: Forcing cleanup before exit.')
if interval:
- disable_trace()
+ disable_trace(trace_file)
clear_trace_file()
# Free the memory
free_trace_buffer()
sys.exit(0)
-signal.signal(signal.SIGINT, signal_handler)
+if __name__ == "__main__":
+ trace_file = "/sys/kernel/debug/tracing/events/power/pstate_sample/enable"
+ signal.signal(signal.SIGINT, signal_handler)
-interval = ""
-filename = ""
-cpu_list = ""
-testname = ""
-memory = "10240"
-graph_data_present = False;
+ interval = ""
+ filename = ""
+ cpu_list = ""
+ testname = ""
+ memory = "10240"
+ graph_data_present = False;
-valid1 = False
-valid2 = False
+ valid1 = False
+ valid2 = False
-cpu_mask = zeros((MAX_CPUS,), dtype=int)
+ cpu_mask = zeros((MAX_CPUS,), dtype=int)
-try:
- opts, args = getopt.getopt(sys.argv[1:],"ht:i:c:n:m:",["help","trace_file=","interval=","cpu=","name=","memory="])
-except getopt.GetoptError:
- print_help()
- sys.exit(2)
-for opt, arg in opts:
- if opt == '-h':
- print()
+ try:
+ opts, args = getopt.getopt(sys.argv[1:],"ht:i:c:n:m:",["help","trace_file=","interval=","cpu=","name=","memory="])
+ except getopt.GetoptError:
+ print_help('intel_pstate')
+ sys.exit(2)
+ for opt, arg in opts:
+ if opt == '-h':
+ print_help('intel_pstate')
+ sys.exit()
+ elif opt in ("-t", "--trace_file"):
+ valid1 = True
+ location = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
+ filename = os.path.join(location, arg)
+ elif opt in ("-i", "--interval"):
+ valid1 = True
+ interval = arg
+ elif opt in ("-c", "--cpu"):
+ cpu_list = arg
+ elif opt in ("-n", "--name"):
+ valid2 = True
+ testname = arg
+ elif opt in ("-m", "--memory"):
+ memory = arg
+
+ if not (valid1 and valid2):
+ print_help('intel_pstate')
sys.exit()
- elif opt in ("-t", "--trace_file"):
- valid1 = True
- location = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
- filename = os.path.join(location, arg)
- elif opt in ("-i", "--interval"):
- valid1 = True
- interval = arg
- elif opt in ("-c", "--cpu"):
- cpu_list = arg
- elif opt in ("-n", "--name"):
- valid2 = True
- testname = arg
- elif opt in ("-m", "--memory"):
- memory = arg
-if not (valid1 and valid2):
- print_help()
- sys.exit()
+ if cpu_list:
+ for p in re.split("[,]", cpu_list):
+ if int(p) < MAX_CPUS :
+ cpu_mask[int(p)] = 1
+ else:
+ for i in range (0, MAX_CPUS):
+ cpu_mask[i] = 1
-if cpu_list:
- for p in re.split("[,]", cpu_list):
- if int(p) < MAX_CPUS :
- cpu_mask[int(p)] = 1
-else:
- for i in range (0, MAX_CPUS):
- cpu_mask[i] = 1
+ if not os.path.exists('results'):
+ os.mkdir('results')
+ # The regular user needs to own the directory, not root.
+ fix_ownership('results')
-if not os.path.exists('results'):
- os.mkdir('results')
+ os.chdir('results')
+ if os.path.exists(testname):
+ print('The test name directory already exists. Please provide a unique test name. Test re-run not supported, yet.')
+ sys.exit()
+ os.mkdir(testname)
# The regular user needs to own the directory, not root.
- fix_ownership('results')
+ fix_ownership(testname)
+ os.chdir(testname)
-os.chdir('results')
-if os.path.exists(testname):
- print('The test name directory already exists. Please provide a unique test name. Test re-run not supported, yet.')
- sys.exit()
-os.mkdir(testname)
-# The regular user needs to own the directory, not root.
-fix_ownership(testname)
-os.chdir(testname)
+ # Temporary (or perhaps not)
+ cur_version = sys.version_info
+ print('python version (should be >= 2.7):')
+ print(cur_version)
-# Temporary (or perhaps not)
-cur_version = sys.version_info
-print('python version (should be >= 2.7):')
-print(cur_version)
+ # Left as "cleanup" for potential future re-run ability.
+ cleanup_data_files()
-# Left as "cleanup" for potential future re-run ability.
-cleanup_data_files()
+ if interval:
+ filename = "/sys/kernel/debug/tracing/trace"
+ clear_trace_file()
+ set_trace_buffer_size(memory)
+ enable_trace(trace_file)
+ print('Sleeping for ', interval, 'seconds')
+ time.sleep(int(interval))
+ disable_trace(trace_file)
-if interval:
- filename = "/sys/kernel/debug/tracing/trace"
- clear_trace_file()
- set_trace_buffer_size()
- enable_trace()
- print('Sleeping for ', interval, 'seconds')
- time.sleep(int(interval))
- disable_trace()
+ current_max_cpu = 0
-current_max_cpu = 0
+ read_trace_data(filename, cpu_mask)
-read_trace_data(filename)
+ if interval:
+ clear_trace_file()
+ # Free the memory
+ free_trace_buffer()
-if interval:
- clear_trace_file()
- # Free the memory
- free_trace_buffer()
+ if graph_data_present == False:
+ print('No valid data to plot')
+ sys.exit(2)
-if graph_data_present == False:
- print('No valid data to plot')
- sys.exit(2)
+ for cpu_no in range(0, current_max_cpu + 1):
+ plot_perf_busy_with_sample(cpu_no)
+ plot_perf_busy(cpu_no)
+ plot_durations(cpu_no)
+ plot_loads(cpu_no)
-for cpu_no in range(0, current_max_cpu + 1):
- plot_perf_busy_with_sample(cpu_no)
- plot_perf_busy(cpu_no)
- plot_durations(cpu_no)
- plot_loads(cpu_no)
+ plot_pstate_cpu_with_sample()
+ plot_pstate_cpu()
+ plot_load_cpu()
+ plot_frequency_cpu()
+ plot_duration_cpu()
+ plot_scaled_cpu()
+ plot_boost_cpu()
+ plot_ghz_cpu()
-plot_pstate_cpu_with_sample()
-plot_pstate_cpu()
-plot_load_cpu()
-plot_frequency_cpu()
-plot_duration_cpu()
-plot_scaled_cpu()
-plot_boost_cpu()
-plot_ghz_cpu()
+ # It is preferrable, but not necessary, that the regular user owns the files, not root.
+ for root, dirs, files in os.walk('.'):
+ for f in files:
+ fix_ownership(f)
-# It is preferrable, but not necessary, that the regular user owns the files, not root.
-for root, dirs, files in os.walk('.'):
- for f in files:
- fix_ownership(f)
-
-os.chdir('../../')
+ os.chdir('../../')
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 47d3ba8..bc5ae08 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -2323,7 +2323,7 @@ int skx_pkg_cstate_limits[16] =
};
int icx_pkg_cstate_limits[16] =
- { PCL__0, PCL__2, PCL__6, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
+ { PCL__0, PCL__2, PCL__6, PCL__6, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV,
PCLRSV, PCLRSV
};
