gallium/ddebug: add 'verbose' option

This currently just writes out the name of dump files, which can be useful
to easily correlate those files with other log outputs (driver debug output,
apitrace calls, etc.)

Reviewed-by: Marek Olšák <[email protected]>

4 files changed, 11 insertions, 4 deletions

diff --git a/src/gallium/drivers/ddebug/dd_draw.c b/src/gallium/drivers/ddebug/dd_draw.c
index de484abbb3d..45e4e10d500 100644
--- a/src/gallium/drivers/ddebug/dd_draw.c
+++ b/src/gallium/drivers/ddebug/dd_draw.c
@@ -88,8 +88,9 @@ struct dd_call
 static FILE *
 dd_get_file_stream(struct dd_context *dctx)
 {
+   struct dd_screen *dscreen = dd_screen(dctx->base.screen);
    struct pipe_screen *screen = dctx->pipe->screen;
-   FILE *f = dd_get_debug_file();
+   FILE *f = dd_get_debug_file(dscreen->verbose);
    if (!f)
       return NULL;
 
diff --git a/src/gallium/drivers/ddebug/dd_pipe.h b/src/gallium/drivers/ddebug/dd_pipe.h
index a045518dc16..80098dcb644 100644
--- a/src/gallium/drivers/ddebug/dd_pipe.h
+++ b/src/gallium/drivers/ddebug/dd_pipe.h
@@ -45,6 +45,7 @@ struct dd_screen
    unsigned timeout_ms;
    enum dd_mode mode;
    bool no_flush;
+   bool verbose;
    unsigned skip_count;
 };
 
diff --git a/src/gallium/drivers/ddebug/dd_screen.c b/src/gallium/drivers/ddebug/dd_screen.c
index ab87d259613..3706b2d63f5 100644
--- a/src/gallium/drivers/ddebug/dd_screen.c
+++ b/src/gallium/drivers/ddebug/dd_screen.c
@@ -280,17 +280,18 @@ ddebug_screen_create(struct pipe_screen *screen)
       puts("");
       puts("Usage:");
       puts("");
-      puts("  GALLIUM_DDEBUG=\"always [noflush]\"");
+      puts("  GALLIUM_DDEBUG=\"always [noflush] [verbose]\"");
       puts("    Flush and dump context and driver information after every draw call into");
       puts("    $HOME/"DD_DIR"/.");
       puts("");
-      puts("  GALLIUM_DDEBUG=\"[timeout in ms] [noflush]\"");
+      puts("  GALLIUM_DDEBUG=\"[timeout in ms] [noflush] [verbose]\"");
       puts("    Flush and detect a device hang after every draw call based on the given");
       puts("    fence timeout and dump context and driver information into");
       puts("    $HOME/"DD_DIR"/ when a hang is detected.");
       puts("");
       puts("  If 'noflush' is specified, do not flush on every draw call. In hang");
       puts("  detection mode, this only detect hangs in pipe->flush.");
+      puts("  If 'verbose' is specified, additional information is written to stderr.");
       puts("");
       puts("  GALLIUM_DDEBUG_SKIP=[count]");
       puts("    Skip flush and hang detection for the given initial number of draw calls.");
@@ -341,6 +342,7 @@ ddebug_screen_create(struct pipe_screen *screen)
    dscreen->timeout_ms = timeout;
    dscreen->mode = dump_always ? DD_DUMP_ALL_CALLS : DD_DETECT_HANGS;
    dscreen->no_flush = no_flush;
+   dscreen->verbose = strstr(option, "verbose") != NULL;
 
    switch (dscreen->mode) {
    case DD_DUMP_ALL_CALLS:
diff --git a/src/gallium/drivers/ddebug/dd_util.h b/src/gallium/drivers/ddebug/dd_util.h
index c217c8eed68..093bdff4a92 100644
--- a/src/gallium/drivers/ddebug/dd_util.h
+++ b/src/gallium/drivers/ddebug/dd_util.h
@@ -40,7 +40,7 @@
 #define DD_DIR "ddebug_dumps"
 
 static inline FILE *
-dd_get_debug_file()
+dd_get_debug_file(bool verbose)
 {
    static unsigned index;
    char proc_name[128], dir[256], name[512];
@@ -65,6 +65,9 @@ dd_get_debug_file()
       return NULL;
    }
 
+   if (verbose)
+      fprintf(stderr, "dd: dumping to file %s\n", name);
+
    return f;
 }