diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event_intel_rapl.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel_rapl.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c index 673f930c700f..6e434f8e5fc8 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c +++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c @@ -103,6 +103,13 @@ static struct kobj_attribute format_attr_##_var = \ #define RAPL_CNTR_WIDTH 32 /* 32-bit rapl counters */ +#define RAPL_EVENT_ATTR_STR(_name, v, str) \ +static struct perf_pmu_events_attr event_attr_##v = { \ + .attr = __ATTR(_name, 0444, rapl_sysfs_show, NULL), \ + .id = 0, \ + .event_str = str, \ +}; + struct rapl_pmu { spinlock_t lock; int hw_unit; /* 1/2^hw_unit Joule */ @@ -379,23 +386,36 @@ static struct attribute_group rapl_pmu_attr_group = { .attrs = rapl_pmu_attrs, }; -EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01"); -EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02"); -EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03"); -EVENT_ATTR_STR(energy-gpu , rapl_gpu, "event=0x04"); +static ssize_t rapl_sysfs_show(struct device *dev, + struct device_attribute *attr, + char *page) +{ + struct perf_pmu_events_attr *pmu_attr = \ + container_of(attr, struct perf_pmu_events_attr, attr); + + if (pmu_attr->event_str) + return sprintf(page, "%s", pmu_attr->event_str); + + return 0; +} + +RAPL_EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01"); +RAPL_EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02"); +RAPL_EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03"); +RAPL_EVENT_ATTR_STR(energy-gpu , rapl_gpu, "event=0x04"); -EVENT_ATTR_STR(energy-cores.unit, rapl_cores_unit, "Joules"); -EVENT_ATTR_STR(energy-pkg.unit , rapl_pkg_unit, "Joules"); -EVENT_ATTR_STR(energy-ram.unit , rapl_ram_unit, "Joules"); -EVENT_ATTR_STR(energy-gpu.unit , rapl_gpu_unit, "Joules"); +RAPL_EVENT_ATTR_STR(energy-cores.unit, rapl_cores_unit, "Joules"); +RAPL_EVENT_ATTR_STR(energy-pkg.unit , rapl_pkg_unit, "Joules"); +RAPL_EVENT_ATTR_STR(energy-ram.unit , rapl_ram_unit, "Joules"); +RAPL_EVENT_ATTR_STR(energy-gpu.unit , rapl_gpu_unit, "Joules"); /* * we compute in 0.23 nJ increments regardless of MSR */ -EVENT_ATTR_STR(energy-cores.scale, rapl_cores_scale, "2.3283064365386962890625e-10"); -EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3283064365386962890625e-10"); -EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3283064365386962890625e-10"); -EVENT_ATTR_STR(energy-gpu.scale, rapl_gpu_scale, "2.3283064365386962890625e-10"); +RAPL_EVENT_ATTR_STR(energy-cores.scale, rapl_cores_scale, "2.3283064365386962890625e-10"); +RAPL_EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3283064365386962890625e-10"); +RAPL_EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3283064365386962890625e-10"); +RAPL_EVENT_ATTR_STR(energy-gpu.scale, rapl_gpu_scale, "2.3283064365386962890625e-10"); static struct attribute *rapl_events_srv_attr[] = { EVENT_PTR(rapl_cores), |