oprofile: oprofiled.h Source File

00001 /**
00002  * @file daemon/oprofiled.h
00003  * Initialisation and setup
00004  *
00005  * @remark Copyright 2002, 2003 OProfile authors
00006  * @remark Read the file COPYING
00007  *
00008  * @author John Levon
00009  * @author Philippe Elie
00010  * Modified by Aravind Menon for Xen
00011  * These modifications are:
00012  * Copyright (C) 2005 Hewlett-Packard Co.
00013  */
00014 
00015 #ifndef OPROFILED_H
00016 
00017 #include <signal.h>
00018 
00019 struct oprofiled_ops {
00020         void (*init)(void);
00021         void (*start)(void);
00022         void (*exit)(void);
00023 };
00024 
00025 
00026 /**
00027  * opd_open_logfile - open the log file
00028  *
00029  * Open the logfile on stdout and stderr. This function
00030  * assumes that 1 and 2 are the lowest close()d file
00031  * descriptors. Failure to open on either descriptor is
00032  * a fatal error.
00033  */
00034 void opd_open_logfile(void);
00035 
00036  
00037 /**
00038  * is_image_ignored - check if we must ignore this image
00039  * @param name the name to check
00040  *
00041  * Return true if the image should not be profiled
00042  */
00043 int is_image_ignored(char const * name);
00044 
00045 /** return the int in the given oprofilefs file, error is fatal if !is_fatal */
00046 int opd_read_fs_int(char const * path, char const * name, int is_fatal);
00047 
00048 
00049 /** global variable positioned by signal handler */
00050 extern sig_atomic_t signal_alarm;
00051 extern sig_atomic_t signal_hup;
00052 extern sig_atomic_t signal_term;
00053 extern sig_atomic_t signal_child;
00054 extern sig_atomic_t signal_usr1;
00055 extern sig_atomic_t signal_usr2;
00056 
00057 extern unsigned int op_nr_counters;
00058 extern int separate_lib;
00059 extern int separate_kernel;
00060 extern int separate_thread;
00061 extern int separate_cpu;
00062 extern int no_vmlinux;
00063 extern char * vmlinux;
00064 extern char * kernel_range;
00065 extern int no_xen;
00066 extern char * xenimage;
00067 extern char * xen_range;
00068 
00069 #endif /* OPROFILED_H */