51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
|
/* The kernel call that is implemented in this file:
|
||
|
|
* m_type: SYS_PROFBUF
|
||
|
|
*
|
||
|
|
* The parameters for this kernel call are:
|
||
|
|
* m_lsys_krn_sys_profbuf.ctl_ptr (location of control struct)
|
||
|
|
* m_lsys_krn_sys_profbuf.mem_ptr (location of profiling table)
|
||
|
|
*
|
||
|
|
* Changes:
|
||
|
|
* 14 Aug, 2006 Created (Rogier Meurs)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "kernel/system.h"
|
||
|
|
|
||
|
|
#if CPROFILE
|
||
|
|
|
||
|
|
/*===========================================================================*
|
||
|
|
* do_profbuf *
|
||
|
|
*===========================================================================*/
|
||
|
|
int do_profbuf(struct proc * caller, message * m_ptr)
|
||
|
|
{
|
||
|
|
/* This kernel call is used by profiled system processes when Call
|
||
|
|
* Profiling is enabled. It is called on the first execution of procentry.
|
||
|
|
* By means of this kernel call, the profiled processes inform the kernel
|
||
|
|
* about the location of their profiling table and the control structure
|
||
|
|
* which is used to enable the kernel to have the tables cleared.
|
||
|
|
*/
|
||
|
|
int proc_nr;
|
||
|
|
struct proc *rp;
|
||
|
|
|
||
|
|
/* Store process name, control struct, table locations. */
|
||
|
|
if(!isokendpt(caller->p_endpoint, &proc_nr))
|
||
|
|
return EDEADSRCDST;
|
||
|
|
|
||
|
|
if(cprof_procs_no >= NR_SYS_PROCS)
|
||
|
|
return ENOSPC;
|
||
|
|
|
||
|
|
rp = proc_addr(proc_nr);
|
||
|
|
|
||
|
|
cprof_proc_info[cprof_procs_no].endpt = caller->p_endpoint;
|
||
|
|
cprof_proc_info[cprof_procs_no].name = rp->p_name;
|
||
|
|
|
||
|
|
cprof_proc_info[cprof_procs_no].ctl_v = m_ptr->m_lsys_krn_sys_profbuf.ctl_ptr;
|
||
|
|
cprof_proc_info[cprof_procs_no].buf_v = m_ptr->m_lsys_krn_sys_profbuf.mem_ptr;
|
||
|
|
|
||
|
|
cprof_procs_no++;
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CPROFILE */
|