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nouveau: rework debugging so we can also dump into a file 

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
main
Karol Herbst 2021-05-05 14:01:57 +02:00
parent c0ae9cfa00
commit 17a51b0b31
2 changed files with 27 additions and 6 deletions
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26
nouveau/nouveau.c
View File

@ -46,15 +46,33 @@
#include "nvif/ioctl.h"
#include "nvif/unpack.h"
drm_private FILE *nouveau_out = NULL;
drm_private uint32_t nouveau_debug = 0;
static void
debug_init(char *args)
debug_init(void)
{
if (args) {
int n = strtol(args, NULL, 0);
static bool once = false;
char *debug, *out;
if (once)
return;
once = true;
debug = getenv("NOUVEAU_LIBDRM_DEBUG");
if (debug) {
int n = strtol(debug, NULL, 0);
if (n >= 0)
nouveau_debug = n;
}
nouveau_out = stderr;
out = getenv("NOUVEAU_LIBDRM_OUT");
if (out) {
FILE *fout = fopen(out, "w");
if (fout)
nouveau_out = fout;
}
}
@ -325,7 +343,7 @@ nouveau_drm_new(int fd, struct nouveau_drm **pdrm)
struct nouveau_drm *drm;
drmVersionPtr ver;
debug_init(getenv("NOUVEAU_LIBDRM_DEBUG"));
debug_init();
if (!(drm = calloc(1, sizeof(*drm))))
return -ENOMEM;

7
nouveau/private.h
View File

@ -1,6 +1,8 @@
#ifndef __NOUVEAU_LIBDRM_PRIVATE_H__
#define __NOUVEAU_LIBDRM_PRIVATE_H__
#include <stdio.h>
#include <libdrm_macros.h>
#include <xf86drm.h>
#include <xf86atomic.h>
@ -10,12 +12,13 @@
#include "nouveau.h"
drm_private extern uint32_t nouveau_debug;
drm_private extern FILE *nouveau_out;
#define dbg_on(lvl) (nouveau_debug & (1 << lvl))
#define dbg(lvl, fmt, args...) do { \
if (dbg_on((lvl))) \
fprintf(stderr, "nouveau: "fmt, ##args); \
fprintf(nouveau_out, "nouveau: "fmt, ##args); \
} while(0)
#define err(fmt, args...) fprintf(stderr, "nouveau: "fmt, ##args)
#define err(fmt, args...) fprintf(nouveau_out, "nouveau: "fmt, ##args)
struct nouveau_client_kref {
struct drm_nouveau_gem_pushbuf_bo *kref;