svn commit: r343133 - stable/10/sys/dev/usb

[Hans Petter Selasky]

Author: hselasky
Date: Fri Jan 18 08:45:56 2019
New Revision: 343133
URL: https://svnweb.freebsd.org/changeset/base/343133

Log:
  MFC r342730:
  Improve USB generic debug messages. Print process ID and name when opening
  and closing usb/ugenX.Y character device nodes.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/10/sys/dev/usb/usb_generic.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/usb/usb_generic.c
==============================================================================
--- stable/10/sys/dev/usb/usb_generic.c	Fri Jan 18 08:44:50 2019	(r343132)
+++ stable/10/sys/dev/usb/usb_generic.c	Fri Jan 18 08:45:56 2019	(r343133)
@@ -182,7 +182,8 @@ ugen_open(struct usb_fifo *f, int fflags)
 	struct usb_endpoint_descriptor *ed = ep->edesc;
 	uint8_t type;
 
-	DPRINTFN(6, "flag=0x%x\n", fflags);
+	DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags,
+	    curthread->td_proc->p_pid, curthread->td_proc->p_comm);
 
 	mtx_lock(f->priv_mtx);
 	switch (usbd_get_speed(f->udev)) {
@@ -212,7 +213,9 @@ ugen_open(struct usb_fifo *f, int fflags)
 static void
 ugen_close(struct usb_fifo *f, int fflags)
 {
-	DPRINTFN(6, "flag=0x%x\n", fflags);
+
+	DPRINTFN(1, "flag=0x%x pid=%d name=%s\n", fflags,
+	    curthread->td_proc->p_pid, curthread->td_proc->p_comm);
 
 	/* cleanup */