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Merge branches 'pm-sleep', 'pm-opp' and 'pm-tools'
Merge updates related to system sleep, operating performance points (OPP) updates, and PM tooling updates for 6.12-rc1: - Remove unused stub for saveable_highmem_page() and remove deprecated macros from power management documentation (Andy Shevchenko). - Use ysfs_emit() and sysfs_emit_at() in "show" functions in the PM sysfs interface (Xueqin Luo). - Update the maintainers information for the operating-points-v2-ti-cpu DT binding (Dhruva Gole). - Drop unnecessary of_match_ptr() from ti-opp-supply (Rob Herring). - Update directory handling and installation process in the pm-graph Makefile and add .gitignore to ignore sleepgraph.py artifacts to pm-graph (Amit Vadhavana, Yo-Jung Lin). - Make cpupower display residency value in idle-info (Aboorva Devarajan). - Add missing powercap_set_enabled() stub function to cpupower (John B. Wyatt IV). - Add SWIG support to cpupower (John B. Wyatt IV). * pm-sleep: PM: hibernate: Remove unused stub for saveable_highmem_page() Documentation: PM: Discourage use of deprecated macros PM: sleep: Use sysfs_emit() and sysfs_emit_at() in "show" functions PM: hibernate: Use sysfs_emit() and sysfs_emit_at() in "show" functions * pm-opp: dt-bindings: opp: operating-points-v2-ti-cpu: Update maintainers opp: ti: Drop unnecessary of_match_ptr() * pm-tools: pm:cpupower: Add error warning when SWIG is not installed MAINTAINERS: Add Maintainers for SWIG Python bindings pm:cpupower: Include test_raw_pylibcpupower.py pm:cpupower: Add SWIG bindings files for libcpupower pm:cpupower: Add missing powercap_set_enabled() stub function pm-graph: Update directory handling and installation process in Makefile pm-graph: Make git ignore sleepgraph.py artifacts tools/cpupower: display residency value in idle-info
This commit is contained in:
Rafael J. Wysocki
commit
0a06811d66
@ -19,7 +19,7 @@ description:
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the hardware description for the scheme mentioned above.
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maintainers:
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- Nishanth Menon <nm@ti.com>
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- Dhruva Gole <d-gole@ti.com>
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allOf:
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- $ref: opp-v2-base.yaml#
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@ -979,18 +979,17 @@ subsections can be defined as a separate function, it often is convenient to
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point two or more members of struct dev_pm_ops to the same routine. There are
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a few convenience macros that can be used for this purpose.
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The SIMPLE_DEV_PM_OPS macro declares a struct dev_pm_ops object with one
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The DEFINE_SIMPLE_DEV_PM_OPS() declares a struct dev_pm_ops object with one
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suspend routine pointed to by the .suspend(), .freeze(), and .poweroff()
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members and one resume routine pointed to by the .resume(), .thaw(), and
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.restore() members. The other function pointers in this struct dev_pm_ops are
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unset.
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The UNIVERSAL_DEV_PM_OPS macro is similar to SIMPLE_DEV_PM_OPS, but it
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additionally sets the .runtime_resume() pointer to the same value as
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.resume() (and .thaw(), and .restore()) and the .runtime_suspend() pointer to
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the same value as .suspend() (and .freeze() and .poweroff()).
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The DEFINE_RUNTIME_DEV_PM_OPS() is similar to DEFINE_SIMPLE_DEV_PM_OPS(), but it
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additionally sets the .runtime_resume() pointer to pm_runtime_force_resume()
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and the .runtime_suspend() pointer to pm_runtime_force_suspend().
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The SET_SYSTEM_SLEEP_PM_OPS can be used inside of a declaration of struct
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The SYSTEM_SLEEP_PM_OPS() can be used inside of a declaration of struct
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dev_pm_ops to indicate that one suspend routine is to be pointed to by the
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.suspend(), .freeze(), and .poweroff() members and one resume routine is to
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be pointed to by the .resume(), .thaw(), and .restore() members.
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@ -811,8 +811,8 @@ subsystem-level dev_pm_ops structure.
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Device drivers that wish to use the same function as a system suspend, freeze,
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poweroff and runtime suspend callback, and similarly for system resume, thaw,
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restore, and runtime resume, can achieve this with the help of the
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UNIVERSAL_DEV_PM_OPS macro defined in include/linux/pm.h (possibly setting its
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restore, and runtime resume, can achieve similar behaviour with the help of the
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DEFINE_RUNTIME_DEV_PM_OPS() defined in include/linux/pm_runtime.h (possibly setting its
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last argument to NULL).
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8. "No-Callback" Devices
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@ -5824,6 +5824,9 @@ CPU POWER MONITORING SUBSYSTEM
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M: Thomas Renninger <trenn@suse.com>
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M: Shuah Khan <shuah@kernel.org>
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M: Shuah Khan <skhan@linuxfoundation.org>
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M: John B. Wyatt IV <jwyatt@redhat.com>
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M: John B. Wyatt IV <sageofredondo@gmail.com>
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M: John Kacur <jkacur@redhat.com>
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L: linux-pm@vger.kernel.org
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S: Maintained
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F: tools/power/cpupower/
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@ -405,7 +405,7 @@ static struct platform_driver ti_opp_supply_driver = {
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.probe = ti_opp_supply_probe,
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.driver = {
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.name = "ti_opp_supply",
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.of_match_table = of_match_ptr(ti_opp_supply_of_match),
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.of_match_table = ti_opp_supply_of_match,
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},
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};
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module_platform_driver(ti_opp_supply_driver);
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@ -1123,11 +1123,11 @@ static const char * const hibernation_modes[] = {
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static ssize_t disk_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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ssize_t count = 0;
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int i;
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char *start = buf;
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if (!hibernation_available())
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return sprintf(buf, "[disabled]\n");
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return sysfs_emit(buf, "[disabled]\n");
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for (i = HIBERNATION_FIRST; i <= HIBERNATION_MAX; i++) {
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if (!hibernation_modes[i])
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@ -1147,12 +1147,16 @@ static ssize_t disk_show(struct kobject *kobj, struct kobj_attribute *attr,
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continue;
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}
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if (i == hibernation_mode)
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buf += sprintf(buf, "[%s] ", hibernation_modes[i]);
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count += sysfs_emit_at(buf, count, "[%s] ", hibernation_modes[i]);
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else
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buf += sprintf(buf, "%s ", hibernation_modes[i]);
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count += sysfs_emit_at(buf, count, "%s ", hibernation_modes[i]);
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}
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buf += sprintf(buf, "\n");
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return buf-start;
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/* Convert the last space to a newline if needed. */
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if (count > 0)
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buf[count - 1] = '\n';
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return count;
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}
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static ssize_t disk_store(struct kobject *kobj, struct kobj_attribute *attr,
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@ -1210,7 +1214,7 @@ power_attr(disk);
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static ssize_t resume_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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return sprintf(buf, "%d:%d\n", MAJOR(swsusp_resume_device),
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return sysfs_emit(buf, "%d:%d\n", MAJOR(swsusp_resume_device),
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MINOR(swsusp_resume_device));
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}
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@ -1270,7 +1274,7 @@ power_attr(resume);
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static ssize_t resume_offset_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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return sprintf(buf, "%llu\n", (unsigned long long)swsusp_resume_block);
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return sysfs_emit(buf, "%llu\n", (unsigned long long)swsusp_resume_block);
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}
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static ssize_t resume_offset_store(struct kobject *kobj,
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@ -1293,7 +1297,7 @@ power_attr(resume_offset);
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static ssize_t image_size_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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return sprintf(buf, "%lu\n", image_size);
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return sysfs_emit(buf, "%lu\n", image_size);
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}
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static ssize_t image_size_store(struct kobject *kobj, struct kobj_attribute *attr,
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@ -1314,7 +1318,7 @@ power_attr(image_size);
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static ssize_t reserved_size_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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return sprintf(buf, "%lu\n", reserved_size);
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return sysfs_emit(buf, "%lu\n", reserved_size);
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}
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static ssize_t reserved_size_store(struct kobject *kobj,
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@ -115,7 +115,7 @@ int pm_async_enabled = 1;
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static ssize_t pm_async_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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return sprintf(buf, "%d\n", pm_async_enabled);
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return sysfs_emit(buf, "%d\n", pm_async_enabled);
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}
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static ssize_t pm_async_store(struct kobject *kobj, struct kobj_attribute *attr,
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@ -139,7 +139,7 @@ power_attr(pm_async);
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static ssize_t mem_sleep_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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char *s = buf;
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ssize_t count = 0;
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suspend_state_t i;
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for (i = PM_SUSPEND_MIN; i < PM_SUSPEND_MAX; i++) {
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@ -149,17 +149,17 @@ static ssize_t mem_sleep_show(struct kobject *kobj, struct kobj_attribute *attr,
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const char *label = mem_sleep_states[i];
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if (mem_sleep_current == i)
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s += sprintf(s, "[%s] ", label);
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count += sysfs_emit_at(buf, count, "[%s] ", label);
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else
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s += sprintf(s, "%s ", label);
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count += sysfs_emit_at(buf, count, "%s ", label);
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}
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}
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/* Convert the last space to a newline if needed. */
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if (s != buf)
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*(s-1) = '\n';
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if (count > 0)
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buf[count - 1] = '\n';
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return (s - buf);
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return count;
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}
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static suspend_state_t decode_suspend_state(const char *buf, size_t n)
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@ -220,7 +220,7 @@ bool sync_on_suspend_enabled = !IS_ENABLED(CONFIG_SUSPEND_SKIP_SYNC);
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static ssize_t sync_on_suspend_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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return sprintf(buf, "%d\n", sync_on_suspend_enabled);
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return sysfs_emit(buf, "%d\n", sync_on_suspend_enabled);
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}
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static ssize_t sync_on_suspend_store(struct kobject *kobj,
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@ -257,22 +257,22 @@ static const char * const pm_tests[__TEST_AFTER_LAST] = {
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static ssize_t pm_test_show(struct kobject *kobj, struct kobj_attribute *attr,
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char *buf)
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{
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char *s = buf;
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ssize_t count = 0;
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int level;
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for (level = TEST_FIRST; level <= TEST_MAX; level++)
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if (pm_tests[level]) {
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if (level == pm_test_level)
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s += sprintf(s, "[%s] ", pm_tests[level]);
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count += sysfs_emit_at(buf, count, "[%s] ", pm_tests[level]);
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else
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s += sprintf(s, "%s ", pm_tests[level]);
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count += sysfs_emit_at(buf, count, "%s ", pm_tests[level]);
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}
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if (s != buf)
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/* convert the last space to a newline */
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*(s-1) = '\n';
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/* Convert the last space to a newline if needed. */
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if (count > 0)
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buf[count - 1] = '\n';
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return (s - buf);
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return count;
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}
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static ssize_t pm_test_store(struct kobject *kobj, struct kobj_attribute *attr,
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@ -390,7 +390,7 @@ static const char * const suspend_step_names[] = {
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static ssize_t _name##_show(struct kobject *kobj, \
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struct kobj_attribute *attr, char *buf) \
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{ \
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return sprintf(buf, format_str, suspend_stats._name); \
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return sysfs_emit(buf, format_str, suspend_stats._name);\
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} \
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static struct kobj_attribute _name = __ATTR_RO(_name)
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@ -404,7 +404,7 @@ suspend_attr(max_hw_sleep, "%llu\n");
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static ssize_t _name##_show(struct kobject *kobj, \
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struct kobj_attribute *attr, char *buf) \
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{ \
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return sprintf(buf, "%u\n", \
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return sysfs_emit(buf, "%u\n", \
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suspend_stats.step_failures[step-1]); \
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} \
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static struct kobj_attribute _name = __ATTR_RO(_name)
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@ -428,7 +428,7 @@ static ssize_t last_failed_dev_show(struct kobject *kobj,
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index %= REC_FAILED_NUM;
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last_failed_dev = suspend_stats.failed_devs[index];
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|
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return sprintf(buf, "%s\n", last_failed_dev);
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return sysfs_emit(buf, "%s\n", last_failed_dev);
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}
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static struct kobj_attribute last_failed_dev = __ATTR_RO(last_failed_dev);
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@ -442,7 +442,7 @@ static ssize_t last_failed_errno_show(struct kobject *kobj,
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index %= REC_FAILED_NUM;
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last_failed_errno = suspend_stats.errno[index];
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|
||||
return sprintf(buf, "%d\n", last_failed_errno);
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return sysfs_emit(buf, "%d\n", last_failed_errno);
|
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}
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static struct kobj_attribute last_failed_errno = __ATTR_RO(last_failed_errno);
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@ -456,7 +456,7 @@ static ssize_t last_failed_step_show(struct kobject *kobj,
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index %= REC_FAILED_NUM;
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step = suspend_stats.failed_steps[index];
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return sprintf(buf, "%s\n", suspend_step_names[step]);
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return sysfs_emit(buf, "%s\n", suspend_step_names[step]);
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}
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static struct kobj_attribute last_failed_step = __ATTR_RO(last_failed_step);
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@ -571,7 +571,7 @@ bool pm_print_times_enabled;
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static ssize_t pm_print_times_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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return sprintf(buf, "%d\n", pm_print_times_enabled);
|
||||
return sysfs_emit(buf, "%d\n", pm_print_times_enabled);
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}
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static ssize_t pm_print_times_store(struct kobject *kobj,
|
||||
@ -604,7 +604,7 @@ static ssize_t pm_wakeup_irq_show(struct kobject *kobj,
|
||||
if (!pm_wakeup_irq())
|
||||
return -ENODATA;
|
||||
|
||||
return sprintf(buf, "%u\n", pm_wakeup_irq());
|
||||
return sysfs_emit(buf, "%u\n", pm_wakeup_irq());
|
||||
}
|
||||
|
||||
power_attr_ro(pm_wakeup_irq);
|
||||
@ -620,7 +620,7 @@ EXPORT_SYMBOL_GPL(pm_debug_messages_should_print);
|
||||
static ssize_t pm_debug_messages_show(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, char *buf)
|
||||
{
|
||||
return sprintf(buf, "%d\n", pm_debug_messages_on);
|
||||
return sysfs_emit(buf, "%d\n", pm_debug_messages_on);
|
||||
}
|
||||
|
||||
static ssize_t pm_debug_messages_store(struct kobject *kobj,
|
||||
@ -668,21 +668,23 @@ struct kobject *power_kobj;
|
||||
static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
char *s = buf;
|
||||
ssize_t count = 0;
|
||||
#ifdef CONFIG_SUSPEND
|
||||
suspend_state_t i;
|
||||
|
||||
for (i = PM_SUSPEND_MIN; i < PM_SUSPEND_MAX; i++)
|
||||
if (pm_states[i])
|
||||
s += sprintf(s,"%s ", pm_states[i]);
|
||||
count += sysfs_emit_at(buf, count, "%s ", pm_states[i]);
|
||||
|
||||
#endif
|
||||
if (hibernation_available())
|
||||
s += sprintf(s, "disk ");
|
||||
if (s != buf)
|
||||
/* convert the last space to a newline */
|
||||
*(s-1) = '\n';
|
||||
return (s - buf);
|
||||
count += sysfs_emit_at(buf, count, "disk ");
|
||||
|
||||
/* Convert the last space to a newline if needed. */
|
||||
if (count > 0)
|
||||
buf[count - 1] = '\n';
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static suspend_state_t decode_state(const char *buf, size_t n)
|
||||
@ -782,7 +784,7 @@ static ssize_t wakeup_count_show(struct kobject *kobj,
|
||||
unsigned int val;
|
||||
|
||||
return pm_get_wakeup_count(&val, true) ?
|
||||
sprintf(buf, "%u\n", val) : -EINTR;
|
||||
sysfs_emit(buf, "%u\n", val) : -EINTR;
|
||||
}
|
||||
|
||||
static ssize_t wakeup_count_store(struct kobject *kobj,
|
||||
@ -824,17 +826,17 @@ static ssize_t autosleep_show(struct kobject *kobj,
|
||||
suspend_state_t state = pm_autosleep_state();
|
||||
|
||||
if (state == PM_SUSPEND_ON)
|
||||
return sprintf(buf, "off\n");
|
||||
return sysfs_emit(buf, "off\n");
|
||||
|
||||
#ifdef CONFIG_SUSPEND
|
||||
if (state < PM_SUSPEND_MAX)
|
||||
return sprintf(buf, "%s\n", pm_states[state] ?
|
||||
return sysfs_emit(buf, "%s\n", pm_states[state] ?
|
||||
pm_states[state] : "error");
|
||||
#endif
|
||||
#ifdef CONFIG_HIBERNATION
|
||||
return sprintf(buf, "disk\n");
|
||||
return sysfs_emit(buf, "disk\n");
|
||||
#else
|
||||
return sprintf(buf, "error");
|
||||
return sysfs_emit(buf, "error\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -903,7 +905,7 @@ int pm_trace_enabled;
|
||||
static ssize_t pm_trace_show(struct kobject *kobj, struct kobj_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
return sprintf(buf, "%d\n", pm_trace_enabled);
|
||||
return sysfs_emit(buf, "%d\n", pm_trace_enabled);
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
@ -940,7 +942,7 @@ power_attr_ro(pm_trace_dev_match);
|
||||
static ssize_t pm_freeze_timeout_show(struct kobject *kobj,
|
||||
struct kobj_attribute *attr, char *buf)
|
||||
{
|
||||
return sprintf(buf, "%u\n", freeze_timeout_msecs);
|
||||
return sysfs_emit(buf, "%u\n", freeze_timeout_msecs);
|
||||
}
|
||||
|
||||
static ssize_t pm_freeze_timeout_store(struct kobject *kobj,
|
||||
|
||||
@ -1365,11 +1365,6 @@ static unsigned int count_highmem_pages(void)
|
||||
}
|
||||
return n;
|
||||
}
|
||||
#else
|
||||
static inline void *saveable_highmem_page(struct zone *z, unsigned long p)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
#endif /* CONFIG_HIGHMEM */
|
||||
|
||||
/**
|
||||
|
||||
8
tools/power/cpupower/bindings/python/.gitignore
vendored
Normal file
8
tools/power/cpupower/bindings/python/.gitignore
vendored
Normal file
@ -0,0 +1,8 @@
|
||||
__pycache__/
|
||||
raw_pylibcpupower_wrap.c
|
||||
*.o
|
||||
*.so
|
||||
*.py
|
||||
!test_raw_pylibcpupower.py
|
||||
# git keeps ignoring this file, use git add -f raw_libcpupower.i
|
||||
!raw_pylibcpupower.i
|
||||
33
tools/power/cpupower/bindings/python/Makefile
Normal file
33
tools/power/cpupower/bindings/python/Makefile
Normal file
@ -0,0 +1,33 @@
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
# Makefile for libcpupower's Python bindings
|
||||
#
|
||||
# This Makefile expects you have already run the makefile for cpupower to build
|
||||
# the .o files in the lib directory for the bindings to be created.
|
||||
|
||||
CC := gcc
|
||||
HAVE_SWIG := $(shell if which swig >/dev/null 2>&1; then echo 1; else echo 0; fi)
|
||||
HAVE_PYCONFIG := $(shell if which python-config >/dev/null 2>&1; then echo 1; else echo 0; fi)
|
||||
|
||||
LIB_DIR := ../../lib
|
||||
PY_INCLUDE = $(firstword $(shell python-config --includes))
|
||||
OBJECTS_LIB = $(wildcard $(LIB_DIR)/*.o)
|
||||
|
||||
all: _raw_pylibcpupower.so
|
||||
|
||||
_raw_pylibcpupower.so: raw_pylibcpupower_wrap.o
|
||||
$(CC) -shared $(OBJECTS_LIB) raw_pylibcpupower_wrap.o -o _raw_pylibcpupower.so
|
||||
|
||||
raw_pylibcpupower_wrap.o: raw_pylibcpupower_wrap.c
|
||||
$(CC) -fPIC -c raw_pylibcpupower_wrap.c $(PY_INCLUDE)
|
||||
|
||||
raw_pylibcpupower_wrap.c: raw_pylibcpupower.i
|
||||
ifeq ($(HAVE_SWIG),0)
|
||||
$(error "swig was not found. Make sure you have it installed and in the PATH to generate the bindings.")
|
||||
else ifeq ($(HAVE_PYCONFIG),0)
|
||||
$(error "python-config was not found. Make sure you have it installed and in the PATH to generate the bindings.")
|
||||
endif
|
||||
swig -python raw_pylibcpupower.i
|
||||
|
||||
# Will only clean the bindings folder; will not clean the actual cpupower folder
|
||||
clean:
|
||||
rm -f raw_pylibcpupower.py raw_pylibcpupower_wrap.c raw_pylibcpupower_wrap.o _raw_pylibcpupower.so
|
||||
59
tools/power/cpupower/bindings/python/README
Normal file
59
tools/power/cpupower/bindings/python/README
Normal file
@ -0,0 +1,59 @@
|
||||
This folder contains the necessary files to build the Python bindings for
|
||||
libcpupower (aside from the libcpupower object files).
|
||||
|
||||
|
||||
requirements
|
||||
------------
|
||||
|
||||
* You need the object files in the libcpupower directory compiled by
|
||||
cpupower's makefile.
|
||||
* The SWIG program must be installed.
|
||||
* The Python's development libraries installed.
|
||||
|
||||
Please check that your version of SWIG is compatible with the version of Python
|
||||
installed on your machine by checking the SWIG changelog on their website.
|
||||
https://swig.org/
|
||||
|
||||
Note that while SWIG itself is GPL v3+ licensed; the resulting output,
|
||||
the bindings code: is permissively licensed + the license of libcpupower's .o
|
||||
files. For these bindings that means GPL v2.
|
||||
|
||||
Please see https://swig.org/legal.html and the discussion [1] for more details.
|
||||
|
||||
[1]
|
||||
https://lore.kernel.org/linux-pm/Zqv9BOjxLAgyNP5B@hatbackup/
|
||||
|
||||
|
||||
build
|
||||
-----
|
||||
|
||||
Install SWIG and the Python development files provided by your distribution.
|
||||
|
||||
Build the object files for libcpupower by running make in the cpupower
|
||||
directory.
|
||||
|
||||
Return to the directory this README is in to run:
|
||||
|
||||
$ make
|
||||
|
||||
|
||||
testing
|
||||
-------
|
||||
|
||||
Please verify the _raw_pylibcpupower.so and raw_pylibcpupower.py files have
|
||||
been created.
|
||||
|
||||
To run the test script:
|
||||
|
||||
$ python test_raw_pylibcpupower.py
|
||||
|
||||
|
||||
credits
|
||||
-------
|
||||
|
||||
Original Bindings Author:
|
||||
John B. Wyatt IV
|
||||
jwyatt@redhat.com
|
||||
sageofredondo@gmail.com
|
||||
|
||||
Copyright (C) 2024 Red Hat
|
||||
247
tools/power/cpupower/bindings/python/raw_pylibcpupower.i
Normal file
247
tools/power/cpupower/bindings/python/raw_pylibcpupower.i
Normal file
@ -0,0 +1,247 @@
|
||||
/* SPDX-License-Identifier: GPL-2.0-only */
|
||||
|
||||
%module raw_pylibcpupower
|
||||
%{
|
||||
#include "../../lib/cpupower_intern.h"
|
||||
#include "../../lib/acpi_cppc.h"
|
||||
#include "../../lib/cpufreq.h"
|
||||
#include "../../lib/cpuidle.h"
|
||||
#include "../../lib/cpupower.h"
|
||||
#include "../../lib/powercap.h"
|
||||
%}
|
||||
|
||||
/*
|
||||
* cpupower_intern.h
|
||||
*/
|
||||
|
||||
#define PATH_TO_CPU "/sys/devices/system/cpu/"
|
||||
#define MAX_LINE_LEN 4096
|
||||
#define SYSFS_PATH_MAX 255
|
||||
|
||||
int is_valid_path(const char *path);
|
||||
|
||||
unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen);
|
||||
|
||||
unsigned int cpupower_write_sysfs(const char *path, char *buf, size_t buflen);
|
||||
|
||||
/*
|
||||
* 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);
|
||||
|
||||
/*
|
||||
* cpufreq.h
|
||||
*/
|
||||
|
||||
struct cpufreq_policy {
|
||||
unsigned long min;
|
||||
unsigned long max;
|
||||
char *governor;
|
||||
};
|
||||
|
||||
struct cpufreq_available_governors {
|
||||
char *governor;
|
||||
struct cpufreq_available_governors *next;
|
||||
struct cpufreq_available_governors *first;
|
||||
};
|
||||
|
||||
struct cpufreq_available_frequencies {
|
||||
unsigned long frequency;
|
||||
struct cpufreq_available_frequencies *next;
|
||||
struct cpufreq_available_frequencies *first;
|
||||
};
|
||||
|
||||
|
||||
struct cpufreq_affected_cpus {
|
||||
unsigned int cpu;
|
||||
struct cpufreq_affected_cpus *next;
|
||||
struct cpufreq_affected_cpus *first;
|
||||
};
|
||||
|
||||
struct cpufreq_stats {
|
||||
unsigned long frequency;
|
||||
unsigned long long time_in_state;
|
||||
struct cpufreq_stats *next;
|
||||
struct cpufreq_stats *first;
|
||||
};
|
||||
|
||||
unsigned long cpufreq_get_freq_kernel(unsigned int cpu);
|
||||
|
||||
unsigned long cpufreq_get_freq_hardware(unsigned int cpu);
|
||||
|
||||
#define cpufreq_get(cpu) cpufreq_get_freq_kernel(cpu);
|
||||
|
||||
unsigned long cpufreq_get_transition_latency(unsigned int cpu);
|
||||
|
||||
int cpufreq_get_hardware_limits(unsigned int cpu,
|
||||
unsigned long *min,
|
||||
unsigned long *max);
|
||||
|
||||
char *cpufreq_get_driver(unsigned int cpu);
|
||||
|
||||
void cpufreq_put_driver(char *ptr);
|
||||
|
||||
struct cpufreq_policy *cpufreq_get_policy(unsigned int cpu);
|
||||
|
||||
void cpufreq_put_policy(struct cpufreq_policy *policy);
|
||||
|
||||
struct cpufreq_available_governors
|
||||
*cpufreq_get_available_governors(unsigned int cpu);
|
||||
|
||||
void cpufreq_put_available_governors(
|
||||
struct cpufreq_available_governors *first);
|
||||
|
||||
struct cpufreq_available_frequencies
|
||||
*cpufreq_get_available_frequencies(unsigned int cpu);
|
||||
|
||||
void cpufreq_put_available_frequencies(
|
||||
struct cpufreq_available_frequencies *first);
|
||||
|
||||
struct cpufreq_available_frequencies
|
||||
*cpufreq_get_boost_frequencies(unsigned int cpu);
|
||||
|
||||
void cpufreq_put_boost_frequencies(
|
||||
struct cpufreq_available_frequencies *first);
|
||||
|
||||
struct cpufreq_affected_cpus *cpufreq_get_affected_cpus(unsigned
|
||||
int cpu);
|
||||
|
||||
void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *first);
|
||||
|
||||
struct cpufreq_affected_cpus *cpufreq_get_related_cpus(unsigned
|
||||
int cpu);
|
||||
|
||||
void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *first);
|
||||
|
||||
struct cpufreq_stats *cpufreq_get_stats(unsigned int cpu,
|
||||
unsigned long long *total_time);
|
||||
|
||||
void cpufreq_put_stats(struct cpufreq_stats *stats);
|
||||
|
||||
unsigned long cpufreq_get_transitions(unsigned int cpu);
|
||||
|
||||
int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy);
|
||||
|
||||
int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq);
|
||||
|
||||
int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq);
|
||||
|
||||
int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);
|
||||
|
||||
int cpufreq_set_frequency(unsigned int cpu,
|
||||
unsigned long target_frequency);
|
||||
|
||||
unsigned long cpufreq_get_sysfs_value_from_table(unsigned int cpu,
|
||||
const char **table,
|
||||
unsigned int index,
|
||||
unsigned int size);
|
||||
|
||||
/*
|
||||
* cpuidle.h
|
||||
*/
|
||||
|
||||
int cpuidle_is_state_disabled(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
int cpuidle_state_disable(unsigned int cpu, unsigned int idlestate,
|
||||
unsigned int disable);
|
||||
unsigned long cpuidle_state_latency(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned long cpuidle_state_usage(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned long long cpuidle_state_time(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
char *cpuidle_state_name(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
char *cpuidle_state_desc(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned int cpuidle_state_count(unsigned int cpu);
|
||||
|
||||
char *cpuidle_get_governor(void);
|
||||
|
||||
char *cpuidle_get_driver(void);
|
||||
|
||||
/*
|
||||
* cpupower.h
|
||||
*/
|
||||
|
||||
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;
|
||||
};
|
||||
|
||||
struct cpuid_core_info {
|
||||
int pkg;
|
||||
int core;
|
||||
int cpu;
|
||||
|
||||
/* flags */
|
||||
unsigned int is_online:1;
|
||||
};
|
||||
|
||||
int get_cpu_topology(struct cpupower_topology *cpu_top);
|
||||
|
||||
void cpu_topology_release(struct cpupower_topology cpu_top);
|
||||
|
||||
int cpupower_is_cpu_online(unsigned int cpu);
|
||||
|
||||
/*
|
||||
* powercap.h
|
||||
*/
|
||||
|
||||
struct powercap_zone {
|
||||
char name[MAX_LINE_LEN];
|
||||
/*
|
||||
* sys_name relative to PATH_TO_POWERCAP,
|
||||
* do not forget the / in between
|
||||
*/
|
||||
char sys_name[SYSFS_PATH_MAX];
|
||||
int tree_depth;
|
||||
struct powercap_zone *parent;
|
||||
struct powercap_zone *children[POWERCAP_MAX_CHILD_ZONES];
|
||||
/* More possible caps or attributes to be added? */
|
||||
uint32_t has_power_uw:1,
|
||||
has_energy_uj:1;
|
||||
|
||||
};
|
||||
|
||||
int powercap_walk_zones(struct powercap_zone *zone,
|
||||
int (*f)(struct powercap_zone *zone));
|
||||
|
||||
struct powercap_zone *powercap_init_zones(void);
|
||||
|
||||
int powercap_get_enabled(int *mode);
|
||||
|
||||
int powercap_set_enabled(int mode);
|
||||
|
||||
int powercap_get_driver(char *driver, int buflen);
|
||||
|
||||
int powercap_get_max_energy_range_uj(struct powercap_zone *zone, uint64_t *val);
|
||||
|
||||
int powercap_get_energy_uj(struct powercap_zone *zone, uint64_t *val);
|
||||
|
||||
int powercap_get_max_power_range_uw(struct powercap_zone *zone, uint64_t *val);
|
||||
|
||||
int powercap_get_power_uw(struct powercap_zone *zone, uint64_t *val);
|
||||
|
||||
int powercap_zone_get_enabled(struct powercap_zone *zone, int *mode);
|
||||
|
||||
int powercap_zone_set_enabled(struct powercap_zone *zone, int mode);
|
||||
42
tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py
Executable file
42
tools/power/cpupower/bindings/python/test_raw_pylibcpupower.py
Executable file
@ -0,0 +1,42 @@
|
||||
#!/usr/bin/env python3
|
||||
# SPDX-License-Identifier: GPL-2.0-only
|
||||
|
||||
import raw_pylibcpupower as p
|
||||
|
||||
# Simple function call
|
||||
|
||||
"""
|
||||
Get cstate count
|
||||
"""
|
||||
cpu_cstates_count = p.cpuidle_state_count(0)
|
||||
if cpu_cstates_count > -1:
|
||||
print(f"CPU 0 has {cpu_cstates_count} c-states")
|
||||
else:
|
||||
print(f"cstate count error: return code: {cpu_cstates_count}")
|
||||
|
||||
"""
|
||||
Disable cstate (will fail if the above is 0, ex: a virtual machine)
|
||||
"""
|
||||
cstate_disabled = p.cpuidle_state_disable(0, 0, 1)
|
||||
if cpu_cstates_count == 0:
|
||||
print(f"CPU 0 has {cpu_cstates_count} c-states")
|
||||
else:
|
||||
print(f"cstate count error: return code: {cpu_cstates_count}")
|
||||
|
||||
match cstate_disabled:
|
||||
case 0:
|
||||
print(f"CPU state disabled")
|
||||
case -1:
|
||||
print(f"Idlestate not available")
|
||||
case _:
|
||||
print(f"Not documented")
|
||||
|
||||
|
||||
# Pointer example
|
||||
|
||||
topo = p.cpupower_topology()
|
||||
total_cpus = p.get_cpu_topology(topo)
|
||||
if total_cpus > 0:
|
||||
print(f"Number of total cpus: {total_cpus} and number of cores: {topo.cores}")
|
||||
else:
|
||||
print(f"Error: could not get cpu topology")
|
||||
@ -116,6 +116,7 @@ enum idlestate_value {
|
||||
IDLESTATE_USAGE,
|
||||
IDLESTATE_POWER,
|
||||
IDLESTATE_LATENCY,
|
||||
IDLESTATE_RESIDENCY,
|
||||
IDLESTATE_TIME,
|
||||
IDLESTATE_DISABLE,
|
||||
MAX_IDLESTATE_VALUE_FILES
|
||||
@ -125,6 +126,7 @@ static const char *idlestate_value_files[MAX_IDLESTATE_VALUE_FILES] = {
|
||||
[IDLESTATE_USAGE] = "usage",
|
||||
[IDLESTATE_POWER] = "power",
|
||||
[IDLESTATE_LATENCY] = "latency",
|
||||
[IDLESTATE_RESIDENCY] = "residency",
|
||||
[IDLESTATE_TIME] = "time",
|
||||
[IDLESTATE_DISABLE] = "disable",
|
||||
};
|
||||
@ -254,6 +256,12 @@ unsigned long cpuidle_state_latency(unsigned int cpu,
|
||||
return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_LATENCY);
|
||||
}
|
||||
|
||||
unsigned long cpuidle_state_residency(unsigned int cpu,
|
||||
unsigned int idlestate)
|
||||
{
|
||||
return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_RESIDENCY);
|
||||
}
|
||||
|
||||
unsigned long cpuidle_state_usage(unsigned int cpu,
|
||||
unsigned int idlestate)
|
||||
{
|
||||
|
||||
@ -8,6 +8,8 @@ int cpuidle_state_disable(unsigned int cpu, unsigned int idlestate,
|
||||
unsigned int disable);
|
||||
unsigned long cpuidle_state_latency(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned long cpuidle_state_residency(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned long cpuidle_state_usage(unsigned int cpu,
|
||||
unsigned int idlestate);
|
||||
unsigned long long cpuidle_state_time(unsigned int cpu,
|
||||
|
||||
@ -77,6 +77,14 @@ int powercap_get_enabled(int *mode)
|
||||
return sysfs_get_enabled(path, mode);
|
||||
}
|
||||
|
||||
/*
|
||||
* TODO: implement function. Returns dummy 0 for now.
|
||||
*/
|
||||
int powercap_set_enabled(int mode)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Hardcoded, because rapl is the only powercap implementation
|
||||
- * this needs to get more generic if more powercap implementations
|
||||
|
||||
@ -64,6 +64,8 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
|
||||
|
||||
printf(_("Latency: %lu\n"),
|
||||
cpuidle_state_latency(cpu, idlestate));
|
||||
printf(_("Residency: %lu\n"),
|
||||
cpuidle_state_residency(cpu, idlestate));
|
||||
printf(_("Usage: %lu\n"),
|
||||
cpuidle_state_usage(cpu, idlestate));
|
||||
printf(_("Duration: %llu\n"),
|
||||
@ -115,6 +117,8 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
|
||||
printf(_("promotion[--] demotion[--] "));
|
||||
printf(_("latency[%03lu] "),
|
||||
cpuidle_state_latency(cpu, cstate));
|
||||
printf(_("residency[%05lu] "),
|
||||
cpuidle_state_residency(cpu, cstate));
|
||||
printf(_("usage[%08lu] "),
|
||||
cpuidle_state_usage(cpu, cstate));
|
||||
printf(_("duration[%020Lu] \n"),
|
||||
|
||||
3
tools/power/pm-graph/.gitignore
vendored
Normal file
3
tools/power/pm-graph/.gitignore
vendored
Normal file
@ -0,0 +1,3 @@
|
||||
# sleepgraph.py artifacts
|
||||
suspend-[0-9]*-[0-9]*
|
||||
suspend-[0-9]*-[0-9]*-x[0-9]*
|
||||
@ -1,51 +1,86 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
|
||||
PREFIX ?= /usr
|
||||
#
|
||||
# Copyright (c) 2013, Intel Corporation.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify it
|
||||
# under the terms and conditions of the GNU General Public License,
|
||||
# version 2, as published by the Free Software Foundation.
|
||||
#
|
||||
# This program is distributed in the hope it will be useful, but WITHOUT
|
||||
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
# more details.
|
||||
#
|
||||
# Authors:
|
||||
# Todd Brandt <todd.e.brandt@linux.intel.com>
|
||||
|
||||
# Prefix to the directories we're installing to
|
||||
DESTDIR ?=
|
||||
|
||||
# Directory definitions. These are default and most probably
|
||||
# do not need to be changed. Please note that DESTDIR is
|
||||
# added in front of any of them
|
||||
|
||||
BINDIR ?= /usr/bin
|
||||
MANDIR ?= /usr/share/man
|
||||
LIBDIR ?= /usr/lib
|
||||
|
||||
# Toolchain: what tools do we use, and what options do they need:
|
||||
INSTALL = /usr/bin/install
|
||||
INSTALL_DATA = ${INSTALL} -m 644
|
||||
|
||||
all:
|
||||
@echo "Nothing to build"
|
||||
|
||||
install : uninstall
|
||||
install -d $(DESTDIR)$(PREFIX)/lib/pm-graph
|
||||
install sleepgraph.py $(DESTDIR)$(PREFIX)/lib/pm-graph
|
||||
install bootgraph.py $(DESTDIR)$(PREFIX)/lib/pm-graph
|
||||
install -d $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/cgskip.txt $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/freeze-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/freeze.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/freeze-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/standby-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/standby.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/standby-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/suspend-callgraph.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/suspend.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/suspend-dev.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
install -m 644 config/suspend-x2-proc.cfg $(DESTDIR)$(PREFIX)/lib/pm-graph/config
|
||||
$(INSTALL) -d $(DESTDIR)$(LIBDIR)/pm-graph
|
||||
$(INSTALL) sleepgraph.py $(DESTDIR)$(LIBDIR)/pm-graph
|
||||
$(INSTALL) bootgraph.py $(DESTDIR)$(LIBDIR)/pm-graph
|
||||
$(INSTALL) -d $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/cgskip.txt $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/freeze-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/freeze.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/freeze-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/standby-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/standby.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/standby-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/suspend-callgraph.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/suspend.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/suspend-dev.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
$(INSTALL_DATA) config/suspend-x2-proc.cfg $(DESTDIR)$(LIBDIR)/pm-graph/config
|
||||
|
||||
install -d $(DESTDIR)$(PREFIX)/bin
|
||||
ln -s ../lib/pm-graph/bootgraph.py $(DESTDIR)$(PREFIX)/bin/bootgraph
|
||||
ln -s ../lib/pm-graph/sleepgraph.py $(DESTDIR)$(PREFIX)/bin/sleepgraph
|
||||
$(INSTALL) -d $(DESTDIR)$(BINDIR)
|
||||
ln -s ../lib/pm-graph/bootgraph.py $(DESTDIR)$(BINDIR)/bootgraph
|
||||
ln -s ../lib/pm-graph/sleepgraph.py $(DESTDIR)$(BINDIR)/sleepgraph
|
||||
|
||||
install -d $(DESTDIR)$(PREFIX)/share/man/man8
|
||||
install bootgraph.8 $(DESTDIR)$(PREFIX)/share/man/man8
|
||||
install sleepgraph.8 $(DESTDIR)$(PREFIX)/share/man/man8
|
||||
$(INSTALL) -d $(DESTDIR)$(MANDIR)/man8
|
||||
$(INSTALL) bootgraph.8 $(DESTDIR)$(MANDIR)/man8
|
||||
$(INSTALL) sleepgraph.8 $(DESTDIR)$(MANDIR)/man8
|
||||
|
||||
uninstall :
|
||||
rm -f $(DESTDIR)$(PREFIX)/share/man/man8/bootgraph.8
|
||||
rm -f $(DESTDIR)$(PREFIX)/share/man/man8/sleepgraph.8
|
||||
rm -f $(DESTDIR)$(MANDIR)/man8/bootgraph.8
|
||||
rm -f $(DESTDIR)$(MANDIR)/man8/sleepgraph.8
|
||||
|
||||
rm -f $(DESTDIR)$(PREFIX)/bin/bootgraph
|
||||
rm -f $(DESTDIR)$(PREFIX)/bin/sleepgraph
|
||||
rm -f $(DESTDIR)$(BINDIR)/bootgraph
|
||||
rm -f $(DESTDIR)$(BINDIR)/sleepgraph
|
||||
|
||||
rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/config/*
|
||||
if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/config ] ; then \
|
||||
rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/config; \
|
||||
rm -f $(DESTDIR)$(LIBDIR)/pm-graph/config/*
|
||||
if [ -d $(DESTDIR)$(LIBDIR)/pm-graph/config ] ; then \
|
||||
rmdir $(DESTDIR)$(LIBDIR)/pm-graph/config; \
|
||||
fi;
|
||||
rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__/*
|
||||
if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__ ] ; then \
|
||||
rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__; \
|
||||
rm -f $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__/*
|
||||
if [ -d $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__ ] ; then \
|
||||
rmdir $(DESTDIR)$(LIBDIR)/pm-graph/__pycache__; \
|
||||
fi;
|
||||
rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/*
|
||||
if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph ] ; then \
|
||||
rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph; \
|
||||
rm -f $(DESTDIR)$(LIBDIR)/pm-graph/*
|
||||
if [ -d $(DESTDIR)$(LIBDIR)/pm-graph ] ; then \
|
||||
rmdir $(DESTDIR)$(LIBDIR)/pm-graph; \
|
||||
fi;
|
||||
|
||||
help:
|
||||
@echo 'Building targets:'
|
||||
@echo ' all - Nothing to build'
|
||||
@echo ' install - Install the program and create necessary directories'
|
||||
@echo ' uninstall - Remove installed files and directories'
|
||||
|
||||
.PHONY: all install uninstall help
|
||||
|
||||
Loading…
Reference in New Issue
Block a user