Basic statistical profiling fixes

At least it works again now.  Sprofalyze should be made aware of the
kernel information page, though (i.e., /proc/ipcvecs).

Change-Id: Id4e5f6417ad152607c4e53b323b6f65ea4b10c6e

minix/commands/sprofalyze/sprofalyze.c

@@ -20,10 +20,29 @@
 static const char *default_binaries[] = {
 	"kernel/kernel",
 	"servers/",
-	"drivers/",
+	/* XXX this should not be necessary */
+	"drivers/audio/",
+	"drivers/bus/",
+	"drivers/clock/",
+	"drivers/eeprom/",
+	"drivers/examples/",
+	"drivers/hid/",
+	"drivers/iommu/",
+	"drivers/net/",
+	"drivers/power/",
+	"drivers/printer/",
+	"drivers/sensors/",
+	"drivers/storage/",
+	"drivers/system/",
+	"drivers/tty/",
+	"drivers/usb/",
+	"drivers/video/",
+	"drivers/vmm_guest/",
+	"fs/",
+	"net/",
 };
 
-static const char *src_path = "/usr/src";
+static const char *src_path = "/usr/src/minix";
 
 /* types */
 

minix/include/minix/syslib.h

@@ -253,7 +253,7 @@ int pci_get_bar(int devind, int port, u32_t *base, u32_t *size, int
 
 /* Profiling. */
 int sys_sprof(int action, int size, int freq, int type, endpoint_t
-	endpt, void *ctl_ptr, void *mem_ptr);
+	endpt, vir_bytes ctl_ptr, vir_bytes mem_ptr);
 
 /* machine context */
 int sys_getmcontext(endpoint_t proc, vir_bytes mcp);

minix/kernel/system/do_sprofile.c

@@ -77,7 +77,7 @@ int do_sprofile(struct proc * caller, message * m_ptr)
 			break;
 		case PROF_NMI:
 			err = nmi_watchdog_start_profiling(
-				_ptr->m_lsys_krn_sys_sprof.freq);
+				m_ptr->m_lsys_krn_sys_sprof.freq);
 			if (err)
 				return err;
 			break;

minix/lib/libsys/sys_sprof.c

@@ -11,8 +11,8 @@ int size;				/* available profiling memory */
 int freq;				/* sample frequency */
 int type;
 endpoint_t endpt;			/* caller endpoint */
-void *ctl_ptr;				/* location of info struct */
-void *mem_ptr;				/* location of profiling memory */
+vir_bytes ctl_ptr;			/* location of info struct */
+vir_bytes mem_ptr;			/* location of profiling memory */
 {
   message m;