Commit 80e96b11 authored by Matt Fleming's avatar Matt Fleming Committed by Robert Richter

ARM: oprofile: Rename op_arm to oprofile_perf

In preparation for moving the generic functions out of this file, give
the functions more general names (e.g. remove "arm" from the names).
Signed-off-by: default avatarMatt Fleming <matt@console-pimps.org>
Tested-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
parent 56946331
......@@ -38,8 +38,8 @@ struct op_counter_config {
struct perf_event_attr attr;
};
static int op_arm_enabled;
static DEFINE_MUTEX(op_arm_mutex);
static int oprofile_perf_enabled;
static DEFINE_MUTEX(oprofile_perf_mutex);
static struct op_counter_config *counter_config;
static struct perf_event **perf_events[nr_cpumask_bits];
......@@ -66,7 +66,7 @@ static void op_overflow_handler(struct perf_event *event, int unused,
}
/*
* Called by op_arm_setup to create perf attributes to mirror the oprofile
* Called by oprofile_perf_setup to create perf attributes to mirror the oprofile
* settings in counter_config. Attributes are created as `pinned' events and
* so are permanently scheduled on the PMU.
*/
......@@ -123,7 +123,7 @@ static void op_destroy_counter(int cpu, int event)
}
/*
* Called by op_arm_start to create active perf events based on the
* Called by oprofile_perf_start to create active perf events based on the
* perviously configured attributes.
*/
static int op_perf_start(void)
......@@ -143,7 +143,7 @@ static int op_perf_start(void)
}
/*
* Called by op_arm_stop at the end of a profiling run.
* Called by oprofile_perf_stop at the end of a profiling run.
*/
static void op_perf_stop(void)
{
......@@ -177,7 +177,7 @@ char *op_name_from_perf_id(void)
}
}
static int op_arm_create_files(struct super_block *sb, struct dentry *root)
static int oprofile_perf_create_files(struct super_block *sb, struct dentry *root)
{
unsigned int i;
......@@ -198,7 +198,7 @@ static int op_arm_create_files(struct super_block *sb, struct dentry *root)
return 0;
}
static int op_arm_setup(void)
static int oprofile_perf_setup(void)
{
spin_lock(&oprofilefs_lock);
op_perf_setup();
......@@ -206,54 +206,54 @@ static int op_arm_setup(void)
return 0;
}
static int op_arm_start(void)
static int oprofile_perf_start(void)
{
int ret = -EBUSY;
mutex_lock(&op_arm_mutex);
if (!op_arm_enabled) {
mutex_lock(&oprofile_perf_mutex);
if (!oprofile_perf_enabled) {
ret = 0;
op_perf_start();
op_arm_enabled = 1;
oprofile_perf_enabled = 1;
}
mutex_unlock(&op_arm_mutex);
mutex_unlock(&oprofile_perf_mutex);
return ret;
}
static void op_arm_stop(void)
static void oprofile_perf_stop(void)
{
mutex_lock(&op_arm_mutex);
if (op_arm_enabled)
mutex_lock(&oprofile_perf_mutex);
if (oprofile_perf_enabled)
op_perf_stop();
op_arm_enabled = 0;
mutex_unlock(&op_arm_mutex);
oprofile_perf_enabled = 0;
mutex_unlock(&oprofile_perf_mutex);
}
#ifdef CONFIG_PM
static int op_arm_suspend(struct platform_device *dev, pm_message_t state)
static int oprofile_perf_suspend(struct platform_device *dev, pm_message_t state)
{
mutex_lock(&op_arm_mutex);
if (op_arm_enabled)
mutex_lock(&oprofile_perf_mutex);
if (oprofile_perf_enabled)
op_perf_stop();
mutex_unlock(&op_arm_mutex);
mutex_unlock(&oprofile_perf_mutex);
return 0;
}
static int op_arm_resume(struct platform_device *dev)
static int oprofile_perf_resume(struct platform_device *dev)
{
mutex_lock(&op_arm_mutex);
if (op_arm_enabled && op_perf_start())
op_arm_enabled = 0;
mutex_unlock(&op_arm_mutex);
mutex_lock(&oprofile_perf_mutex);
if (oprofile_perf_enabled && op_perf_start())
oprofile_perf_enabled = 0;
mutex_unlock(&oprofile_perf_mutex);
return 0;
}
static struct platform_driver oprofile_driver = {
.driver = {
.name = "arm-oprofile",
.name = "oprofile-perf",
},
.resume = op_arm_resume,
.suspend = op_arm_suspend,
.resume = oprofile_perf_resume,
.suspend = oprofile_perf_suspend,
};
static struct platform_device *oprofile_pdev;
......@@ -388,11 +388,11 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
}
ops->backtrace = arm_backtrace;
ops->create_files = op_arm_create_files;
ops->setup = op_arm_setup;
ops->start = op_arm_start;
ops->stop = op_arm_stop;
ops->shutdown = op_arm_stop;
ops->create_files = oprofile_perf_create_files;
ops->setup = oprofile_perf_setup;
ops->start = oprofile_perf_start;
ops->stop = oprofile_perf_stop;
ops->shutdown = oprofile_perf_stop;
ops->cpu_type = op_name_from_perf_id();
if (!ops->cpu_type)
......
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