Commit 0d48696f authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar

perf_counter: Rename perf_counter_hw_event => perf_counter_attr

The structure isn't hw only and when I read event, I think about those
things that fall out the other end. Rename the thing.
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Stephane Eranian <eranian@googlemail.com>
LKML-Reference: <new-submission>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 08247e31
......@@ -262,13 +262,13 @@ static int check_excludes(struct perf_counter **ctrs, unsigned int cflags[],
}
counter = ctrs[i];
if (first) {
eu = counter->hw_event.exclude_user;
ek = counter->hw_event.exclude_kernel;
eh = counter->hw_event.exclude_hv;
eu = counter->attr.exclude_user;
ek = counter->attr.exclude_kernel;
eh = counter->attr.exclude_hv;
first = 0;
} else if (counter->hw_event.exclude_user != eu ||
counter->hw_event.exclude_kernel != ek ||
counter->hw_event.exclude_hv != eh) {
} else if (counter->attr.exclude_user != eu ||
counter->attr.exclude_kernel != ek ||
counter->attr.exclude_hv != eh) {
return -EAGAIN;
}
}
......@@ -483,16 +483,16 @@ void hw_perf_enable(void)
/*
* Add in MMCR0 freeze bits corresponding to the
* hw_event.exclude_* bits for the first counter.
* attr.exclude_* bits for the first counter.
* We have already checked that all counters have the
* same values for these bits as the first counter.
*/
counter = cpuhw->counter[0];
if (counter->hw_event.exclude_user)
if (counter->attr.exclude_user)
cpuhw->mmcr[0] |= MMCR0_FCP;
if (counter->hw_event.exclude_kernel)
if (counter->attr.exclude_kernel)
cpuhw->mmcr[0] |= freeze_counters_kernel;
if (counter->hw_event.exclude_hv)
if (counter->attr.exclude_hv)
cpuhw->mmcr[0] |= MMCR0_FCHV;
/*
......@@ -786,10 +786,10 @@ static int can_go_on_limited_pmc(struct perf_counter *counter, u64 ev,
int n;
u64 alt[MAX_EVENT_ALTERNATIVES];
if (counter->hw_event.exclude_user
|| counter->hw_event.exclude_kernel
|| counter->hw_event.exclude_hv
|| counter->hw_event.sample_period)
if (counter->attr.exclude_user
|| counter->attr.exclude_kernel
|| counter->attr.exclude_hv
|| counter->attr.sample_period)
return 0;
if (ppmu->limited_pmc_event(ev))
......@@ -855,13 +855,13 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
if (!ppmu)
return ERR_PTR(-ENXIO);
if (!perf_event_raw(&counter->hw_event)) {
ev = perf_event_id(&counter->hw_event);
if (!perf_event_raw(&counter->attr)) {
ev = perf_event_id(&counter->attr);
if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0)
return ERR_PTR(-EOPNOTSUPP);
ev = ppmu->generic_events[ev];
} else {
ev = perf_event_config(&counter->hw_event);
ev = perf_event_config(&counter->attr);
}
counter->hw.config_base = ev;
counter->hw.idx = 0;
......@@ -872,7 +872,7 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
* the user set it to.
*/
if (!firmware_has_feature(FW_FEATURE_LPAR))
counter->hw_event.exclude_hv = 0;
counter->attr.exclude_hv = 0;
/*
* If this is a per-task counter, then we can use
......@@ -990,7 +990,7 @@ static void record_and_restart(struct perf_counter *counter, long val,
*/
if (record) {
addr = 0;
if (counter->hw_event.record_type & PERF_RECORD_ADDR) {
if (counter->attr.record_type & PERF_RECORD_ADDR) {
/*
* The user wants a data address recorded.
* If we're not doing instruction sampling,
......
......@@ -247,11 +247,11 @@ static inline int x86_pmu_initialized(void)
}
/*
* Setup the hardware configuration for a given hw_event_type
* Setup the hardware configuration for a given attr_type
*/
static int __hw_perf_counter_init(struct perf_counter *counter)
{
struct perf_counter_hw_event *hw_event = &counter->hw_event;
struct perf_counter_attr *attr = &counter->attr;
struct hw_perf_counter *hwc = &counter->hw;
int err;
......@@ -279,9 +279,9 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
/*
* Count user and OS events unless requested not to.
*/
if (!hw_event->exclude_user)
if (!attr->exclude_user)
hwc->config |= ARCH_PERFMON_EVENTSEL_USR;
if (!hw_event->exclude_kernel)
if (!attr->exclude_kernel)
hwc->config |= ARCH_PERFMON_EVENTSEL_OS;
if (!hwc->sample_period)
......@@ -292,15 +292,15 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
/*
* Raw event type provide the config in the event structure
*/
if (perf_event_raw(hw_event)) {
hwc->config |= x86_pmu.raw_event(perf_event_config(hw_event));
if (perf_event_raw(attr)) {
hwc->config |= x86_pmu.raw_event(perf_event_config(attr));
} else {
if (perf_event_id(hw_event) >= x86_pmu.max_events)
if (perf_event_id(attr) >= x86_pmu.max_events)
return -EINVAL;
/*
* The generic map:
*/
hwc->config |= x86_pmu.event_map(perf_event_id(hw_event));
hwc->config |= x86_pmu.event_map(perf_event_id(attr));
}
counter->destroy = hw_perf_counter_destroy;
......
......@@ -22,7 +22,7 @@
*/
/*
* hw_event.type
* attr.type
*/
enum perf_event_types {
PERF_TYPE_HARDWARE = 0,
......@@ -37,10 +37,10 @@ enum perf_event_types {
};
/*
* Generalized performance counter event types, used by the hw_event.event_id
* Generalized performance counter event types, used by the attr.event_id
* parameter of the sys_perf_counter_open() syscall:
*/
enum hw_event_ids {
enum attr_ids {
/*
* Common hardware events, generalized by the kernel:
*/
......@@ -94,7 +94,7 @@ enum sw_event_ids {
#define PERF_COUNTER_EVENT_MASK __PERF_COUNTER_MASK(EVENT)
/*
* Bits that can be set in hw_event.sample_type to request information
* Bits that can be set in attr.sample_type to request information
* in the overflow packets.
*/
enum perf_counter_sample_format {
......@@ -109,7 +109,7 @@ enum perf_counter_sample_format {
};
/*
* Bits that can be set in hw_event.read_format to request that
* Bits that can be set in attr.read_format to request that
* reads on the counter should return the indicated quantities,
* in increasing order of bit value, after the counter value.
*/
......@@ -122,7 +122,7 @@ enum perf_counter_read_format {
/*
* Hardware event to monitor via a performance monitoring counter:
*/
struct perf_counter_hw_event {
struct perf_counter_attr {
/*
* The MSB of the config word signifies if the rest contains cpu
* specific (raw) counter configuration data, if unset, the next
......@@ -323,25 +323,25 @@ enum perf_event_type {
struct task_struct;
static inline u64 perf_event_raw(struct perf_counter_hw_event *hw_event)
static inline u64 perf_event_raw(struct perf_counter_attr *attr)
{
return hw_event->config & PERF_COUNTER_RAW_MASK;
return attr->config & PERF_COUNTER_RAW_MASK;
}
static inline u64 perf_event_config(struct perf_counter_hw_event *hw_event)
static inline u64 perf_event_config(struct perf_counter_attr *attr)
{
return hw_event->config & PERF_COUNTER_CONFIG_MASK;
return attr->config & PERF_COUNTER_CONFIG_MASK;
}
static inline u64 perf_event_type(struct perf_counter_hw_event *hw_event)
static inline u64 perf_event_type(struct perf_counter_attr *attr)
{
return (hw_event->config & PERF_COUNTER_TYPE_MASK) >>
return (attr->config & PERF_COUNTER_TYPE_MASK) >>
PERF_COUNTER_TYPE_SHIFT;
}
static inline u64 perf_event_id(struct perf_counter_hw_event *hw_event)
static inline u64 perf_event_id(struct perf_counter_attr *attr)
{
return hw_event->config & PERF_COUNTER_EVENT_MASK;
return attr->config & PERF_COUNTER_EVENT_MASK;
}
/**
......@@ -457,7 +457,7 @@ struct perf_counter {
u64 tstamp_running;
u64 tstamp_stopped;
struct perf_counter_hw_event hw_event;
struct perf_counter_attr attr;
struct hw_perf_counter hw;
struct perf_counter_context *ctx;
......@@ -605,8 +605,8 @@ extern int perf_counter_overflow(struct perf_counter *counter,
*/
static inline int is_software_counter(struct perf_counter *counter)
{
return !perf_event_raw(&counter->hw_event) &&
perf_event_type(&counter->hw_event) != PERF_TYPE_HARDWARE;
return !perf_event_raw(&counter->attr) &&
perf_event_type(&counter->attr) != PERF_TYPE_HARDWARE;
}
extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
......
......@@ -55,7 +55,7 @@ struct compat_timeval;
struct robust_list_head;
struct getcpu_cache;
struct old_linux_dirent;
struct perf_counter_hw_event;
struct perf_counter_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
......@@ -758,6 +758,6 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
asmlinkage long sys_perf_counter_open(
const struct perf_counter_hw_event __user *hw_event_uptr,
const struct perf_counter_attr __user *attr_uptr,
pid_t pid, int cpu, int group_fd, unsigned long flags);
#endif
......@@ -260,7 +260,7 @@ counter_sched_out(struct perf_counter *counter,
if (!is_software_counter(counter))
cpuctx->active_oncpu--;
ctx->nr_active--;
if (counter->hw_event.exclusive || !cpuctx->active_oncpu)
if (counter->attr.exclusive || !cpuctx->active_oncpu)
cpuctx->exclusive = 0;
}
......@@ -282,7 +282,7 @@ group_sched_out(struct perf_counter *group_counter,
list_for_each_entry(counter, &group_counter->sibling_list, list_entry)
counter_sched_out(counter, cpuctx, ctx);
if (group_counter->hw_event.exclusive)
if (group_counter->attr.exclusive)
cpuctx->exclusive = 0;
}
......@@ -550,7 +550,7 @@ counter_sched_in(struct perf_counter *counter,
cpuctx->active_oncpu++;
ctx->nr_active++;
if (counter->hw_event.exclusive)
if (counter->attr.exclusive)
cpuctx->exclusive = 1;
return 0;
......@@ -642,7 +642,7 @@ static int group_can_go_on(struct perf_counter *counter,
* If this group is exclusive and there are already
* counters on the CPU, it can't go on.
*/
if (counter->hw_event.exclusive && cpuctx->active_oncpu)
if (counter->attr.exclusive && cpuctx->active_oncpu)
return 0;
/*
* Otherwise, try to add it if all previous groups were able
......@@ -725,7 +725,7 @@ static void __perf_install_in_context(void *info)
*/
if (leader != counter)
group_sched_out(leader, cpuctx, ctx);
if (leader->hw_event.pinned) {
if (leader->attr.pinned) {
update_group_times(leader);
leader->state = PERF_COUNTER_STATE_ERROR;
}
......@@ -849,7 +849,7 @@ static void __perf_counter_enable(void *info)
*/
if (leader != counter)
group_sched_out(leader, cpuctx, ctx);
if (leader->hw_event.pinned) {
if (leader->attr.pinned) {
update_group_times(leader);
leader->state = PERF_COUNTER_STATE_ERROR;
}
......@@ -927,7 +927,7 @@ static int perf_counter_refresh(struct perf_counter *counter, int refresh)
/*
* not supported on inherited counters
*/
if (counter->hw_event.inherit)
if (counter->attr.inherit)
return -EINVAL;
atomic_add(refresh, &counter->event_limit);
......@@ -1094,7 +1094,7 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
*/
list_for_each_entry(counter, &ctx->counter_list, list_entry) {
if (counter->state <= PERF_COUNTER_STATE_OFF ||
!counter->hw_event.pinned)
!counter->attr.pinned)
continue;
if (counter->cpu != -1 && counter->cpu != cpu)
continue;
......@@ -1122,7 +1122,7 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
* ignore pinned counters since we did them already.
*/
if (counter->state <= PERF_COUNTER_STATE_OFF ||
counter->hw_event.pinned)
counter->attr.pinned)
continue;
/*
......@@ -1204,11 +1204,11 @@ static void perf_adjust_freq(struct perf_counter_context *ctx)
interrupts = 2*sysctl_perf_counter_limit/HZ;
}
if (!counter->hw_event.freq || !counter->hw_event.sample_freq)
if (!counter->attr.freq || !counter->attr.sample_freq)
continue;
events = HZ * interrupts * counter->hw.sample_period;
period = div64_u64(events, counter->hw_event.sample_freq);
period = div64_u64(events, counter->attr.sample_freq);
delta = (s64)(1 + period - counter->hw.sample_period);
delta >>= 1;
......@@ -1444,11 +1444,11 @@ static void free_counter(struct perf_counter *counter)
perf_pending_sync(counter);
atomic_dec(&nr_counters);
if (counter->hw_event.mmap)
if (counter->attr.mmap)
atomic_dec(&nr_mmap_tracking);
if (counter->hw_event.munmap)
if (counter->attr.munmap)
atomic_dec(&nr_munmap_tracking);
if (counter->hw_event.comm)
if (counter->attr.comm)
atomic_dec(&nr_comm_tracking);
if (counter->destroy)
......@@ -1504,13 +1504,13 @@ perf_read_hw(struct perf_counter *counter, char __user *buf, size_t count)
mutex_lock(&counter->child_mutex);
values[0] = perf_counter_read(counter);
n = 1;
if (counter->hw_event.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
values[n++] = counter->total_time_enabled +
atomic64_read(&counter->child_total_time_enabled);
if (counter->hw_event.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
values[n++] = counter->total_time_running +
atomic64_read(&counter->child_total_time_running);
if (counter->hw_event.read_format & PERF_FORMAT_ID)
if (counter->attr.read_format & PERF_FORMAT_ID)
values[n++] = counter->id;
mutex_unlock(&counter->child_mutex);
......@@ -1611,7 +1611,7 @@ static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
int ret = 0;
u64 value;
if (!counter->hw_event.sample_period)
if (!counter->attr.sample_period)
return -EINVAL;
size = copy_from_user(&value, arg, sizeof(value));
......@@ -1622,15 +1622,15 @@ static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
return -EINVAL;
spin_lock_irq(&ctx->lock);
if (counter->hw_event.freq) {
if (counter->attr.freq) {
if (value > sysctl_perf_counter_limit) {
ret = -EINVAL;
goto unlock;
}
counter->hw_event.sample_freq = value;
counter->attr.sample_freq = value;
} else {
counter->hw_event.sample_period = value;
counter->attr.sample_period = value;
counter->hw.sample_period = value;
perf_log_period(counter, value);
......@@ -2299,7 +2299,7 @@ static void perf_output_end(struct perf_output_handle *handle)
struct perf_counter *counter = handle->counter;
struct perf_mmap_data *data = handle->data;
int wakeup_events = counter->hw_event.wakeup_events;
int wakeup_events = counter->attr.wakeup_events;
if (handle->overflow && wakeup_events) {
int events = atomic_inc_return(&data->events);
......@@ -2339,7 +2339,7 @@ static void perf_counter_output(struct perf_counter *counter,
int nmi, struct pt_regs *regs, u64 addr)
{
int ret;
u64 sample_type = counter->hw_event.sample_type;
u64 sample_type = counter->attr.sample_type;
struct perf_output_handle handle;
struct perf_event_header header;
u64 ip;
......@@ -2441,7 +2441,7 @@ static void perf_counter_output(struct perf_counter *counter,
perf_output_put(&handle, addr);
if (sample_type & PERF_SAMPLE_CONFIG)
perf_output_put(&handle, counter->hw_event.config);
perf_output_put(&handle, counter->attr.config);
if (sample_type & PERF_SAMPLE_CPU)
perf_output_put(&handle, cpu_entry);
......@@ -2512,7 +2512,7 @@ static void perf_counter_comm_output(struct perf_counter *counter,
static int perf_counter_comm_match(struct perf_counter *counter,
struct perf_comm_event *comm_event)
{
if (counter->hw_event.comm &&
if (counter->attr.comm &&
comm_event->event.header.type == PERF_EVENT_COMM)
return 1;
......@@ -2623,11 +2623,11 @@ static void perf_counter_mmap_output(struct perf_counter *counter,
static int perf_counter_mmap_match(struct perf_counter *counter,
struct perf_mmap_event *mmap_event)
{
if (counter->hw_event.mmap &&
if (counter->attr.mmap &&
mmap_event->event.header.type == PERF_EVENT_MMAP)
return 1;
if (counter->hw_event.munmap &&
if (counter->attr.munmap &&
mmap_event->event.header.type == PERF_EVENT_MUNMAP)
return 1;
......@@ -2907,8 +2907,8 @@ static enum hrtimer_restart perf_swcounter_hrtimer(struct hrtimer *hrtimer)
* In case we exclude kernel IPs or are somehow not in interrupt
* context, provide the next best thing, the user IP.
*/
if ((counter->hw_event.exclude_kernel || !regs) &&
!counter->hw_event.exclude_user)
if ((counter->attr.exclude_kernel || !regs) &&
!counter->attr.exclude_user)
regs = task_pt_regs(current);
if (regs) {
......@@ -2982,14 +2982,14 @@ static int perf_swcounter_match(struct perf_counter *counter,
if (!perf_swcounter_is_counting(counter))
return 0;
if (counter->hw_event.config != event_config)
if (counter->attr.config != event_config)
return 0;
if (regs) {
if (counter->hw_event.exclude_user && user_mode(regs))
if (counter->attr.exclude_user && user_mode(regs))
return 0;
if (counter->hw_event.exclude_kernel && !user_mode(regs))
if (counter->attr.exclude_kernel && !user_mode(regs))
return 0;
}
......@@ -3252,12 +3252,12 @@ extern void ftrace_profile_disable(int);
static void tp_perf_counter_destroy(struct perf_counter *counter)
{
ftrace_profile_disable(perf_event_id(&counter->hw_event));
ftrace_profile_disable(perf_event_id(&counter->attr));
}
static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
{
int event_id = perf_event_id(&counter->hw_event);
int event_id = perf_event_id(&counter->attr);
int ret;
ret = ftrace_profile_enable(event_id);
......@@ -3265,7 +3265,7 @@ static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
return NULL;
counter->destroy = tp_perf_counter_destroy;
counter->hw.sample_period = counter->hw_event.sample_period;
counter->hw.sample_period = counter->attr.sample_period;
return &perf_ops_generic;
}
......@@ -3287,7 +3287,7 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
* to be kernel events, and page faults are never hypervisor
* events.
*/
switch (perf_event_id(&counter->hw_event)) {
switch (perf_event_id(&counter->attr)) {
case PERF_COUNT_CPU_CLOCK:
pmu = &perf_ops_cpu_clock;
......@@ -3319,7 +3319,7 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
* Allocate and initialize a counter structure
*/
static struct perf_counter *
perf_counter_alloc(struct perf_counter_hw_event *hw_event,
perf_counter_alloc(struct perf_counter_attr *attr,
int cpu,
struct perf_counter_context *ctx,
struct perf_counter *group_leader,
......@@ -3352,36 +3352,36 @@ perf_counter_alloc(struct perf_counter_hw_event *hw_event,
mutex_init(&counter->mmap_mutex);
counter->cpu = cpu;
counter->hw_event = *hw_event;
counter->attr = *attr;
counter->group_leader = group_leader;
counter->pmu = NULL;
counter->ctx = ctx;
counter->oncpu = -1;
counter->state = PERF_COUNTER_STATE_INACTIVE;
if (hw_event->disabled)
if (attr->disabled)
counter->state = PERF_COUNTER_STATE_OFF;
pmu = NULL;
hwc = &counter->hw;
if (hw_event->freq && hw_event->sample_freq)
hwc->sample_period = div64_u64(TICK_NSEC, hw_event->sample_freq);
if (attr->freq && attr->sample_freq)
hwc->sample_period = div64_u64(TICK_NSEC, attr->sample_freq);
else
hwc->sample_period = hw_event->sample_period;
hwc->sample_period = attr->sample_period;
/*
* we currently do not support PERF_SAMPLE_GROUP on inherited counters
*/
if (hw_event->inherit && (hw_event->sample_type & PERF_SAMPLE_GROUP))
if (attr->inherit && (attr->sample_type & PERF_SAMPLE_GROUP))
goto done;
if (perf_event_raw(hw_event)) {
if (perf_event_raw(attr)) {
pmu = hw_perf_counter_init(counter);
goto done;
}
switch (perf_event_type(hw_event)) {
switch (perf_event_type(attr)) {
case PERF_TYPE_HARDWARE:
pmu = hw_perf_counter_init(counter);
break;
......@@ -3409,11 +3409,11 @@ perf_counter_alloc(struct perf_counter_hw_event *hw_event,
counter->pmu = pmu;
atomic_inc(&nr_counters);
if (counter->hw_event.mmap)
if (counter->attr.mmap)
atomic_inc(&nr_mmap_tracking);
if (counter->hw_event.munmap)
if (counter->attr.munmap)
atomic_inc(&nr_munmap_tracking);
if (counter->hw_event.comm)
if (counter->attr.comm)
atomic_inc(&nr_comm_tracking);
return counter;
......@@ -3424,17 +3424,17 @@ static atomic64_t perf_counter_id;
/**
* sys_perf_counter_open - open a performance counter, associate it to a task/cpu
*
* @hw_event_uptr: event type attributes for monitoring/sampling
* @attr_uptr: event type attributes for monitoring/sampling
* @pid: target pid
* @cpu: target cpu
* @group_fd: group leader counter fd
*/
SYSCALL_DEFINE5(perf_counter_open,
const struct perf_counter_hw_event __user *, hw_event_uptr,
const struct perf_counter_attr __user *, attr_uptr,
pid_t, pid, int, cpu, int, group_fd, unsigned long, flags)
{
struct perf_counter *counter, *group_leader;
struct perf_counter_hw_event hw_event;
struct perf_counter_attr attr;
struct perf_counter_context *ctx;
struct file *counter_file = NULL;
struct file *group_file = NULL;
......@@ -3446,7 +3446,7 @@ SYSCALL_DEFINE5(perf_counter_open,
if (flags)
return -EINVAL;
if (copy_from_user(&hw_event, hw_event_uptr, sizeof(hw_event)) != 0)
if (copy_from_user(&attr, attr_uptr, sizeof(attr)) != 0)
return -EFAULT;
/*
......@@ -3484,11 +3484,11 @@ SYSCALL_DEFINE5(perf_counter_open,
/*
* Only a group leader can be exclusive or pinned
*/
if (hw_event.exclusive || hw_event.pinned)
if (attr.exclusive || attr.pinned)
goto err_put_context;
}
counter = perf_counter_alloc(&hw_event, cpu, ctx, group_leader,
counter = perf_counter_alloc(&attr, cpu, ctx, group_leader,
GFP_KERNEL);
ret = PTR_ERR(counter);
if (IS_ERR(counter))
......@@ -3556,7 +3556,7 @@ inherit_counter(struct perf_counter *parent_counter,
if (parent_counter->parent)
parent_counter = parent_counter->parent;