diff options
Diffstat (limited to 'drivers/oprofile/oprofile_files.c')
| -rw-r--r-- | drivers/oprofile/oprofile_files.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c index cc106d503ace..5d36ffc30dd5 100644 --- a/drivers/oprofile/oprofile_files.c +++ b/drivers/oprofile/oprofile_files.c @@ -14,13 +14,18 @@ #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 */ +#define BUFFER_SIZE_DEFAULT 131072 +#define CPU_BUFFER_SIZE_DEFAULT 8192 +#define BUFFER_WATERSHED_DEFAULT 32768 /* FIXME: tune */ + +unsigned long oprofile_buffer_size; +unsigned long oprofile_cpu_buffer_size; +unsigned long oprofile_buffer_watershed; static ssize_t depth_read(struct file *file, char __user *buf, size_t count, loff_t *offset) { - return oprofilefs_ulong_to_user(backtrace_depth, buf, count, offset); + return oprofilefs_ulong_to_user(oprofile_backtrace_depth, buf, count, + offset); } @@ -120,12 +125,17 @@ static const struct file_operations dump_fops = { void oprofile_create_files(struct super_block *sb, struct dentry *root) { + /* reinitialize default values */ + oprofile_buffer_size = BUFFER_SIZE_DEFAULT; + oprofile_cpu_buffer_size = CPU_BUFFER_SIZE_DEFAULT; + oprofile_buffer_watershed = BUFFER_WATERSHED_DEFAULT; + oprofilefs_create_file(sb, root, "enable", &enable_fops); oprofilefs_create_file_perm(sb, root, "dump", &dump_fops, 0666); oprofilefs_create_file(sb, root, "buffer", &event_buffer_fops); - 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_ulong(sb, root, "buffer_size", &oprofile_buffer_size); + oprofilefs_create_ulong(sb, root, "buffer_watershed", &oprofile_buffer_watershed); + oprofilefs_create_ulong(sb, root, "cpu_buffer_size", &oprofile_cpu_buffer_size); 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); |