diff options
Diffstat (limited to 'tapset/tty.stp')
| -rw-r--r-- | tapset/tty.stp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/tapset/tty.stp b/tapset/tty.stp new file mode 100644 index 00000000..f6ce8ea9 --- /dev/null +++ b/tapset/tty.stp @@ -0,0 +1,189 @@ +// tty tapset +// Copyright (C) 2009 IBM Corp. +// +// Author: Breno Leitao <leitao@linux.vnet.ibm.com> +// +// This file is part of systemtap, and is free software. You can +// redistribute it and/or modify it under the terms of the GNU General +// Public License (GPL); either version 2, or (at your option) any +// later version. + +/** + * probe tty.open - Called when a tty is opened + * @inode_number: the inode number + * @inode_state: the inode state + * @inode_flags: the inode flags + * @file_name: the file name + * @file_mode: the file mode + * @file_flags: the file flags + */ +probe tty.open = kernel.function("tty_open") { + inode_number= $inode->i_ino + inode_state = $inode->i_state + inode_flags = $inode->i_flags + + file_name = d_name($filp->f_path->dentry) + file_mode = $filp->f_mode + file_flags = $filp->f_flags +} + +/** + * probe tty.release - Called when the tty is closed + * @inode_number: the inode number + * @inode_state: the inode state + * @inode_flags: the inode flags + * @file_name: the file name + * @file_mode: the file mode + * @file_flags: the file flags + */ +probe tty.release = kernel.function("tty_release") { + inode_number= $inode->i_ino + inode_state = $inode->i_state + inode_flags = $inode->i_flags + + file_name = d_name($filp->f_path->dentry) + file_mode = $filp->f_mode + file_flags = $filp->f_flags +} + +/** + * probe tty.resize - Called when a terminal resize happens + * @name: the tty name + * @old_row: the old row value + * @old_col: the old col value + * @old_ypixel: the old ypixel + * @old_xpixel: the old xpixel + * @new_row: the new row value + * @new_col: the new col value + * @new_ypixel: the new ypixel value + * @new_xpixel: the new xpixel value +*/ +probe tty.resize = kernel.function("tty_do_resize"){ + name = kernel_string($tty->name) + old_row = $tty->winsize->ws_row + old_col = $tty->winsize->ws_col + old_ypixel = $tty->winsize->ws_ypixel + old_xpixel = $tty->winsize->ws_xpixel + + new_row = $ws->ws_row + new_col = $ws->ws_col + new_ypixel = $ws->ws_ypixel + new_xpixel = $ws->ws_xpixel +} + +/** + * probe tty.ioctl - called when a ioctl is request to the tty + * @name: the file name + * @cmd: the ioctl command + * @arg: the ioctl argument + */ +probe tty.ioctl = kernel.function("tty_ioctl"){ + name = kernel_string($file->f_path->dentry->d_iname) + + cmd = $cmd + arg = $arg +} + +/** + * probe tty.init - Called when a tty is being initalized + * @driver_name: the driver name + * @name: the driver .dev_name name + * @module: the module name + */ +probe tty.init = kernel.function("tty_init_dev"){ + driver_name = kernel_string($driver->driver_name) + name = kernel_string($driver->name) + module = kernel_string($driver->owner->name) +} + +/** + * probe tty.register - Called when a tty device is registred + * @driver_name: the driver name + * @name: the driver .dev_name name + * @module: the module name + * @index: the tty index requested + */ +probe tty.register = kernel.function("tty_register_device"){ + driver_name = kernel_string($driver->driver_name) + name = kernel_string($driver->name) + module = kernel_string($driver->owner->name) + index = $index +} + +/** + * probe tty.unregister - Called when a tty device is being unregistered + * @driver_name: the driver name + * @name: the driver .dev_name name + * @module: the module name + * @index: the tty index requested + */ +probe tty.unregister = kernel.function("tty_unregister_device"){ + driver_name = kernel_string($driver->driver_name) + name = kernel_string($driver->name) + module = kernel_string($driver->owner->name) + index = $index +} + +/** + * probe tty.poll - Called when a tty device is being polled + * @file_name: the tty file name + * @wait_key: the wait queue key + */ +probe tty.poll = kernel.function("tty_poll"){ + file_name = d_name($filp->f_path->dentry) + + if ($wait) + wait_key = $wait->key + else + wait_key = 0 +} + +/** + * probe tty.receive - called when a tty receives a message + * @cp: the buffer that was received + * @fp: The flag buffer + * @count: The amount of characters received + * @driver_name: the driver name + * @name: the name of the module file + * @index: The tty Index + * @id: the tty id + */ +probe tty.receive = kernel.function("n_tty_receive_buf"){ + cp = kernel_string($cp) + fp = kernel_string($fp) + count = $count + + driver_name = kernel_string($tty->driver->driver_name) + name = kernel_string($tty->driver->name) + index = $tty->index + id = $tty->magic +} + +/** + * probe tty.write - write to the tty line + * @buffer: the buffer that will be written + * @nr: The amount of characters + * @driver_name: the driver name + * @file_name: the file name lreated to the tty + */ +probe tty.write = kernel.function("n_tty_write"){ + buffer = kernel_string($buf) + nr = $nr + + file_name = d_name($file->f_path->dentry) + driver_name = kernel_string($tty->driver->driver_name) +} + +/** + * probe tty.read - called when a tty line will be read + * @buffer: the buffer that will receive the characters + * @nr: The amount of characters to be read + * @driver_name: the driver name + * @file_name: the file name lreated to the tty + */ +probe tty.read = kernel.function("n_tty_read"){ + buffer = kernel_string($buf) + nr = $nr + file_name = d_name($file->f_path->dentry) + driver_name = kernel_string($tty->driver->driver_name) +} |