svn commit: r342730 - head/sys/dev/usb

[Hans Petter Selasky]

Author: hselasky
Date: Thu Jan  3 14:27:51 2019
New Revision: 342730
URL: https://svnweb.freebsd.org/changeset/base/342730

Log:
  Improve USB generic debug messages. Print process ID and name when opening
  and closing usb/ugenX.Y character device nodes.
  
  MFC after:	1 week
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/dev/usb/usb_generic.c

Modified: head/sys/dev/usb/usb_generic.c
==============================================================================
--- head/sys/dev/usb/usb_generic.c	Thu Jan  3 09:30:10 2019	(r342729)
+++ head/sys/dev/usb/usb_generic.c	Thu Jan  3 14:27:51 2019	(r342730)
@@ -183,7 +183,8 @@ 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)) {
@@ -213,7 +214,9 @@ 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 */