System statistical and call profiling

support by Rogier Meurs <rogier@meurs.org>.

lib/syslib/Makefile.in

@@ -26,6 +26,7 @@ libsys_FILES=" \
 	pci_slot_name.c \
 	safecopies.c \
 	sys_abort.c \
+	sys_cprof.c \
 	sys_endsig.c \
 	sys_eniop.c \
 	sys_exec.c \
@@ -45,6 +46,7 @@ libsys_FILES=" \
 	sys_readbios.c \
 	sys_safecopy.c \
 	sys_vsafecopy.c \
+	sys_profbuf.c \
 	sys_sdevio.c \
 	sys_segctl.c \
 	sys_setalarm.c \
@@ -52,6 +54,7 @@ libsys_FILES=" \
 	sys_sigsend.c \
 	sys_privctl.c \
 	sys_setgrant.c \
+	sys_sprof.c \
 	sys_times.c \
 	sys_trace.c \
 	sys_umap.c \

lib/syslib/sys_cprof.c

@@ -0,0 +1,27 @@
+#include "syslib.h"
+
+#if CPROFILE
+
+/*===========================================================================*
+ *                                sys_cprof				     *
+ *===========================================================================*/
+PUBLIC int sys_cprof(action, size, endpt, ctl_ptr, mem_ptr)
+int action; 				/* get/reset profiling tables */
+int size;				/* size of allocated memory */
+int endpt;				/* caller endpoint */
+void *ctl_ptr;				/* location of info struct */
+void *mem_ptr;				/* location of allocated memory */
+{
+  message m;
+
+  m.PROF_ACTION         = action;
+  m.PROF_MEM_SIZE       = size;
+  m.PROF_ENDPT		= endpt;
+  m.PROF_CTL_PTR        = ctl_ptr;
+  m.PROF_MEM_PTR        = mem_ptr;
+
+  return(_taskcall(SYSTASK, SYS_CPROF, &m));
+}
+
+#endif
+

lib/syslib/sys_profbuf.c

@@ -0,0 +1,23 @@
+#include "syslib.h"
+
+#include <minix/config.h>
+
+#if CPROFILE
+
+/*===========================================================================*
+ *                                sys_profbuf				     *
+ *===========================================================================*/
+PUBLIC int sys_profbuf(ctl_ptr, mem_ptr)
+void *ctl_ptr;				/* pointer to control structure */
+void *mem_ptr;				/* pointer to profiling table */
+{
+  message m;
+
+  m.PROF_CTL_PTR       = ctl_ptr;
+  m.PROF_MEM_PTR       = mem_ptr;
+
+  return(_taskcall(SYSTASK, SYS_PROFBUF, &m));
+}
+
+#endif
+

lib/syslib/sys_sprof.c

@@ -0,0 +1,29 @@
+#include "syslib.h"
+
+#if SPROFILE
+
+/*===========================================================================*
+ *                                sys_sprof				     *
+ *===========================================================================*/
+PUBLIC int sys_sprof(action, size, freq, endpt, ctl_ptr, mem_ptr)
+int action; 				/* start/stop profiling */
+int size;				/* available profiling memory */
+int freq;				/* sample frequency */
+int endpt;				/* caller endpoint */
+void *ctl_ptr;				/* location of info struct */
+void *mem_ptr;				/* location of profiling memory */
+{
+  message m;
+
+  m.PROF_ACTION         = action;
+  m.PROF_MEM_SIZE       = size;
+  m.PROF_FREQ           = freq;
+  m.PROF_ENDPT		= endpt;
+  m.PROF_CTL_PTR        = ctl_ptr;
+  m.PROF_MEM_PTR        = mem_ptr;
+
+  return(_taskcall(SYSTASK, SYS_SPROF, &m));
+}
+
+#endif
+