diff options
| -rw-r--r-- | drivers/oprofile/buffer_sync.h | 4 | ||||
| -rw-r--r-- | drivers/oprofile/cpu_buffer.c | 16 | ||||
| -rw-r--r-- | drivers/oprofile/cpu_buffer.h | 6 | ||||
| -rw-r--r-- | drivers/oprofile/event_buffer.c | 24 | ||||
| -rw-r--r-- | drivers/oprofile/event_buffer.h | 10 | ||||
| -rw-r--r-- | drivers/oprofile/oprof.c | 2 | ||||
| -rw-r--r-- | drivers/oprofile/oprof.h | 8 | ||||
| -rw-r--r-- | drivers/oprofile/oprofile_files.c | 20 | ||||
| -rw-r--r-- | drivers/oprofile/oprofile_stats.c | 14 | ||||
| -rw-r--r-- | drivers/oprofile/oprofile_stats.h | 8 | ||||
| -rw-r--r-- | drivers/oprofile/oprofilefs.c | 6 | ||||
| -rw-r--r-- | drivers/oprofile/timer_int.c | 2 |
12 files changed, 60 insertions, 60 deletions
diff --git a/drivers/oprofile/buffer_sync.h b/drivers/oprofile/buffer_sync.h index 08866f6..3110732 100644 --- a/drivers/oprofile/buffer_sync.h +++ b/drivers/oprofile/buffer_sync.h @@ -9,13 +9,13 @@ #ifndef OPROFILE_BUFFER_SYNC_H #define OPROFILE_BUFFER_SYNC_H - + /* add the necessary profiling hooks */ int sync_start(void); /* remove the hooks */ void sync_stop(void); - + /* sync the given CPU's buffer */ void sync_buffer(int cpu); diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index b47ce03..5a17806 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -22,7 +22,7 @@ #include <linux/oprofile.h> #include <linux/vmalloc.h> #include <linux/errno.h> - + #include "event_buffer.h" #include "cpu_buffer.h" #include "buffer_sync.h" @@ -38,7 +38,7 @@ static int work_enabled; void free_cpu_buffers(void) { int i; - + for_each_online_cpu(i) { vfree(per_cpu(cpu_buffer, i).buffer); per_cpu(cpu_buffer, i).buffer = NULL; @@ -48,17 +48,17 @@ void free_cpu_buffers(void) int alloc_cpu_buffers(void) { int i; - + unsigned long buffer_size = fs_cpu_buffer_size; - + for_each_online_cpu(i) { struct oprofile_cpu_buffer *b = &per_cpu(cpu_buffer, i); - + b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size, cpu_to_node(i)); if (!b->buffer) goto fail; - + b->last_task = NULL; b->last_is_kernel = -1; b->tracing = 0; @@ -150,7 +150,7 @@ static void increment_head(struct oprofile_cpu_buffer *b) static inline void add_sample(struct oprofile_cpu_buffer *cpu_buf, - unsigned long pc, unsigned long event) + unsigned long pc, unsigned long event) { struct op_sample *entry = &cpu_buf->buffer[cpu_buf->head_pos]; entry->eip = pc; @@ -205,7 +205,7 @@ static int log_sample(struct oprofile_cpu_buffer *cpu_buf, unsigned long pc, cpu_buf->last_task = task; add_code(cpu_buf, (unsigned long)task); } - + add_sample(cpu_buf, pc, event); return 1; } diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index 9bc6bb2..d3cc262 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -15,9 +15,9 @@ #include <linux/workqueue.h> #include <linux/cache.h> #include <linux/sched.h> - + struct task_struct; - + int alloc_cpu_buffers(void); void free_cpu_buffers(void); @@ -31,7 +31,7 @@ struct op_sample { unsigned long eip; unsigned long event; }; - + struct oprofile_cpu_buffer { volatile unsigned long head_pos; volatile unsigned long tail_pos; diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index c9329f4..d962ba0 100644 --- a/drivers/oprofile/event_buffer.c +++ b/drivers/oprofile/event_buffer.c @@ -19,13 +19,13 @@ #include <linux/dcookies.h> #include <linux/fs.h> #include <asm/uaccess.h> - + #include "oprof.h" #include "event_buffer.h" #include "oprofile_stats.h" DEFINE_MUTEX(buffer_mutex); - + static unsigned long buffer_opened; static DECLARE_WAIT_QUEUE_HEAD(buffer_wait); static unsigned long *event_buffer; @@ -66,7 +66,7 @@ void wake_up_buffer_waiter(void) mutex_unlock(&buffer_mutex); } - + int alloc_event_buffer(void) { int err = -ENOMEM; @@ -76,13 +76,13 @@ int alloc_event_buffer(void) buffer_size = fs_buffer_size; buffer_watershed = fs_buffer_watershed; spin_unlock_irqrestore(&oprofilefs_lock, flags); - + if (buffer_watershed >= buffer_size) return -EINVAL; - + event_buffer = vmalloc(sizeof(unsigned long) * buffer_size); if (!event_buffer) - goto out; + goto out; err = 0; out: @@ -97,7 +97,7 @@ void free_event_buffer(void) event_buffer = NULL; } - + static int event_buffer_open(struct inode *inode, struct file *file) { int err = -EPERM; @@ -116,14 +116,14 @@ static int event_buffer_open(struct inode *inode, struct file *file) file->private_data = dcookie_register(); if (!file->private_data) goto out; - + if ((err = oprofile_setup())) goto fail; /* NB: the actual start happens from userspace * echo 1 >/dev/oprofile/enable */ - + return 0; fail: @@ -172,18 +172,18 @@ static ssize_t event_buffer_read(struct file *file, char __user *buf, retval = -EFAULT; count = buffer_pos * sizeof(unsigned long); - + if (copy_to_user(buf, event_buffer, count)) goto out; retval = count; buffer_pos = 0; - + out: mutex_unlock(&buffer_mutex); return retval; } - + const struct file_operations event_buffer_fops = { .open = event_buffer_open, .release = event_buffer_release, diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h index 5076ed1..00db2e6 100644 --- a/drivers/oprofile/event_buffer.h +++ b/drivers/oprofile/event_buffer.h @@ -10,13 +10,13 @@ #ifndef EVENT_BUFFER_H #define EVENT_BUFFER_H -#include <linux/types.h> +#include <linux/types.h> #include <asm/mutex.h> - + int alloc_event_buffer(void); void free_event_buffer(void); - + /* wake up the process sleeping on the event file */ void wake_up_buffer_waiter(void); @@ -24,10 +24,10 @@ void wake_up_buffer_waiter(void); #define NO_COOKIE 0UL extern const struct file_operations event_buffer_fops; - + /* mutex between sync_cpu_buffers() and the * file reading code. */ extern struct mutex buffer_mutex; - + #endif /* EVENT_BUFFER_H */ diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c index 50062ce..cd37590 100644 --- a/drivers/oprofile/oprof.c +++ b/drivers/oprofile/oprof.c @@ -94,7 +94,7 @@ int oprofile_start(void) int err = -EINVAL; mutex_lock(&start_mutex); - + if (!is_setup) goto out; diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h index 7a44ddb..5df0c21 100644 --- a/drivers/oprofile/oprof.h +++ b/drivers/oprofile/oprof.h @@ -11,7 +11,7 @@ #define OPROF_H int oprofile_setup(void); -void oprofile_shutdown(void); +void oprofile_shutdown(void); int oprofilefs_register(void); void oprofilefs_unregister(void); @@ -20,14 +20,14 @@ int oprofile_start(void); void oprofile_stop(void); struct oprofile_operations; - + extern unsigned long fs_buffer_size; extern unsigned long fs_cpu_buffer_size; extern unsigned long fs_buffer_watershed; extern struct oprofile_operations oprofile_ops; extern unsigned long oprofile_started; extern unsigned long backtrace_depth; - + struct super_block; struct dentry; @@ -35,5 +35,5 @@ void oprofile_create_files(struct super_block *sb, struct dentry *root); void oprofile_timer_init(struct oprofile_operations *ops); int oprofile_set_backtrace(unsigned long depth); - + #endif /* OPROF_H */ diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c index 241804a..cc106d5 100644 --- a/drivers/oprofile/oprofile_files.c +++ b/drivers/oprofile/oprofile_files.c @@ -13,7 +13,7 @@ #include "event_buffer.h" #include "oprofile_stats.h" #include "oprof.h" - + unsigned long fs_buffer_size = 131072; unsigned long fs_cpu_buffer_size = 8192; unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */ @@ -49,7 +49,7 @@ static const struct file_operations depth_fops = { .write = depth_write }; - + static ssize_t pointer_size_read(struct file *file, char __user *buf, size_t count, loff_t *offset) { return oprofilefs_ulong_to_user(sizeof(void *), buf, count, offset); @@ -65,13 +65,13 @@ static ssize_t cpu_type_read(struct file *file, char __user *buf, size_t count, { return oprofilefs_str_to_user(oprofile_ops.cpu_type, buf, count, offset); } - - + + static const struct file_operations cpu_type_fops = { .read = cpu_type_read, }; - - + + static ssize_t enable_read(struct file *file, char __user *buf, size_t count, loff_t *offset) { return oprofilefs_ulong_to_user(oprofile_started, buf, count, offset); @@ -89,7 +89,7 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co retval = oprofilefs_ulong_from_user(&val, buf, count); if (retval) return retval; - + if (val) retval = oprofile_start(); else @@ -100,7 +100,7 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co return count; } - + static const struct file_operations enable_fops = { .read = enable_read, .write = enable_write, @@ -117,7 +117,7 @@ static ssize_t dump_write(struct file *file, char const __user *buf, size_t coun static const struct file_operations dump_fops = { .write = dump_write, }; - + void oprofile_create_files(struct super_block *sb, struct dentry *root) { oprofilefs_create_file(sb, root, "enable", &enable_fops); @@ -126,7 +126,7 @@ void oprofile_create_files(struct super_block *sb, struct dentry *root) oprofilefs_create_ulong(sb, root, "buffer_size", &fs_buffer_size); oprofilefs_create_ulong(sb, root, "buffer_watershed", &fs_buffer_watershed); oprofilefs_create_ulong(sb, root, "cpu_buffer_size", &fs_cpu_buffer_size); - oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops); + oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops); oprofilefs_create_file(sb, root, "backtrace_depth", &depth_fops); oprofilefs_create_file(sb, root, "pointer_size", &pointer_size_fops); oprofile_create_stats_files(sb, root); diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c index e0c4549..e1f6ce0 100644 --- a/drivers/oprofile/oprofile_stats.c +++ b/drivers/oprofile/oprofile_stats.c @@ -11,17 +11,17 @@ #include <linux/smp.h> #include <linux/cpumask.h> #include <linux/threads.h> - + #include "oprofile_stats.h" #include "cpu_buffer.h" - + struct oprofile_stat_struct oprofile_stats; - + void oprofile_reset_stats(void) { struct oprofile_cpu_buffer *cpu_buf; int i; - + for_each_possible_cpu(i) { cpu_buf = &per_cpu(cpu_buffer, i); cpu_buf->sample_received = 0; @@ -29,7 +29,7 @@ void oprofile_reset_stats(void) cpu_buf->backtrace_aborted = 0; cpu_buf->sample_invalid_eip = 0; } - + atomic_set(&oprofile_stats.sample_lost_no_mm, 0); atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); atomic_set(&oprofile_stats.event_lost_overflow, 0); @@ -52,7 +52,7 @@ void oprofile_create_stats_files(struct super_block *sb, struct dentry *root) cpu_buf = &per_cpu(cpu_buffer, i); snprintf(buf, 10, "cpu%d", i); cpudir = oprofilefs_mkdir(sb, dir, buf); - + /* Strictly speaking access to these ulongs is racy, * but we can't simply lock them, and they are * informational only. @@ -66,7 +66,7 @@ void oprofile_create_stats_files(struct super_block *sb, struct dentry *root) oprofilefs_create_ro_ulong(sb, cpudir, "sample_invalid_eip", &cpu_buf->sample_invalid_eip); } - + oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mm", &oprofile_stats.sample_lost_no_mm); oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mapping", diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h index 54e59c2..3da0d08 100644 --- a/drivers/oprofile/oprofile_stats.h +++ b/drivers/oprofile/oprofile_stats.h @@ -11,7 +11,7 @@ #define OPROFILE_STATS_H #include <asm/atomic.h> - + struct oprofile_stat_struct { atomic_t sample_lost_no_mm; atomic_t sample_lost_no_mapping; @@ -20,13 +20,13 @@ struct oprofile_stat_struct { }; extern struct oprofile_stat_struct oprofile_stats; - + /* reset all stats to zero */ void oprofile_reset_stats(void); - + struct super_block; struct dentry; - + /* create the stats/ dir */ void oprofile_create_stats_files(struct super_block *sb, struct dentry *root); diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index a275a3a..ddc4c59 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -181,13 +181,13 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun atomic_t *val = file->private_data; return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset); } - + static const struct file_operations atomic_ro_fops = { .read = atomic_read_file, .open = default_open, }; - + int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root, char const *name, atomic_t *val) @@ -201,7 +201,7 @@ int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root, return 0; } - + int oprofilefs_create_file(struct super_block *sb, struct dentry *root, char const *name, const struct file_operations *fops) { diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c index 7258b14..333f915 100644 --- a/drivers/oprofile/timer_int.c +++ b/drivers/oprofile/timer_int.c @@ -19,7 +19,7 @@ static int timer_notify(struct pt_regs *regs) { - oprofile_add_sample(regs, 0); + oprofile_add_sample(regs, 0); return 0; } |
