[src/trunk]: src/sys/dev Add vc to debug messages in audio_mix.

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c2a59bb5a90
branches:  trunk
changeset: 827891:4c2a59bb5a90
user:      nat <nat%NetBSD.org@localhost>
date:      Thu Nov 16 23:32:11 2017 +0000

description:
Add vc to debug messages in audio_mix.
Also add debug message when available data in the vc is less than the mix
ring blocksize.  NFC.

diffstat:

 sys/dev/audio.c |  23 +++++++++++++----------
 1 files changed, 13 insertions(+), 10 deletions(-)

diffs (63 lines):

diff -r b6cf2cf9609f -r 4c2a59bb5a90 sys/dev/audio.c
--- a/sys/dev/audio.c   Thu Nov 16 21:54:51 2017 +0000
+++ b/sys/dev/audio.c   Thu Nov 16 23:32:11 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: audio.c,v 1.438 2017/11/15 04:28:45 nat Exp $  */
+/*     $NetBSD: audio.c,v 1.439 2017/11/16 23:32:11 nat Exp $  */
 
 /*-
  * Copyright (c) 2016 Nathanial Sloss <nathanialsloss%yahoo.com.au@localhost>
@@ -148,7 +148,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.438 2017/11/15 04:28:45 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.439 2017/11/16 23:32:11 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "audio.h"
@@ -3749,8 +3749,9 @@
                inp = cb->s.inp;
                cb->stamp += blksize;
                if (cb->mmapped) {
-                       DPRINTF(("audio_pint: mmapped outp=%p cc=%d inp=%p\n",
-                                    cb->s.outp, blksize, cb->s.inp));
+                       DPRINTF(("audio_pint: vc=%p mmapped outp=%p cc=%d "
+                                "inp=%p\n", vc, cb->s.outp, blksize,
+                                 cb->s.inp));
                        mutex_enter(sc->sc_intr_lock);
                        mix_func(sc, cb, vc);
                        cb->s.outp = audio_stream_add_outp(&cb->s, cb->s.outp,
@@ -3825,6 +3826,9 @@
                                DPRINTFN(1, ("audio_pint: copying in "
                                         "progress\n"));
                        } else {
+                               DPRINTF(("audio_pint: used < blksize vc=%p "
+                                         "used=%d blksize=%d\n", vc, used,
+                                         blksize));
                                inp = cb->s.inp;
                                cc = blksize - (inp - cb->s.start) % blksize;
                                if (cb->pause)
@@ -3847,17 +3851,16 @@
                        }
                }
 
-               DPRINTFN(5, ("audio_pint: outp=%p cc=%d\n", cb->s.outp,
-                        blksize));
+               DPRINTFN(5, ("audio_pint: vc=%p outp=%p used=%d cc=%d\n", vc,
+                        cb->s.outp, used, blksize));
                mutex_enter(sc->sc_intr_lock);
                mix_func(sc, cb, vc);
                mutex_exit(sc->sc_intr_lock);
                cb->s.outp = audio_stream_add_outp(&cb->s, cb->s.outp, blksize);
 
-               DPRINTFN(2, ("audio_pint: mode=%d pause=%d used=%d lowat=%d\n",
-                            vc->sc_mode, cb->pause,
-                            audio_stream_get_used(vc->sc_pustream),
-                            cb->usedlow));
+               DPRINTFN(2, ("audio_pint: vc=%p mode=%d pause=%d used=%d "
+                            "lowat=%d\n", vc, vc->sc_mode, cb->pause,
+                            audio_stream_get_used(&cb->s), cb->usedlow));
 
                if ((vc->sc_mode & AUMODE_PLAY) && !cb->pause) {
                        if (audio_stream_get_used(&cb->s) <= cb->usedlow)