Add --debug for enabling internal dumps on various actions
A little weak currently, when it's fully integrated everywhere in
fio it'll help find fio problems that I can't trigger.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/filesetup.c b/filesetup.c
index f509220..20ef3f8 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -44,6 +44,7 @@
if (new_layout)
flags |= O_TRUNC;
+ dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags);
f->fd = open(f->file_name, flags, 0644);
if (f->fd < 0) {
td_verror(td, errno, "open");
@@ -53,11 +54,15 @@
if (!new_layout)
goto done;
+ dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
+ f->real_file_size);
if (ftruncate(f->fd, f->real_file_size) == -1) {
td_verror(td, errno, "ftruncate");
goto err;
}
+ dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
+ f->real_file_size);
if (posix_fallocate(f->fd, 0, f->real_file_size) < 0) {
td_verror(td, errno, "posix_fallocate");
goto err;
@@ -172,6 +177,8 @@
{
int ret = 0;
+ dprint(FD_IO, "invalidate cache (%d)\n", td->o.odirect);
+
if (td->o.odirect)
return 0;
@@ -204,6 +211,7 @@
void generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
{
+ dprint(FD_FILE, "fd close %s\n", f->file_name);
close(f->fd);
f->fd = -1;
}
@@ -213,6 +221,8 @@
int is_std = 0;
int flags = 0;
+ dprint(FD_FILE, "fd open %s\n", f->file_name);
+
if (!strcmp(f->file_name, "-")) {
if (td_rw(td)) {
log_err("fio: can't read/write to stdin/out\n");
@@ -288,6 +298,8 @@
unsigned int i;
int err = 0;
+ dprint(FD_FILE, "open files\n");
+
for_each_file(td, f, i) {
err = td_io_open_file(td, f);
if (err) {
@@ -351,6 +363,8 @@
unsigned int i;
int err = 0, need_extend;
+ dprint(FD_FILE, "setup files\n");
+
/*
* if ioengine defines a setup() method, it's responsible for
* opening the files and setting f->real_file_size to indicate
@@ -506,6 +520,8 @@
struct fio_file *f;
unsigned int i;
+ dprint(FD_FILE, "close files\n");
+
for_each_file(td, f, i) {
if (td->o.unlink && f->filetype == FIO_TYPE_FILE)
unlink(f->file_name);
@@ -553,6 +569,8 @@
struct fio_file *f;
int len = 0;
+ dprint(FD_FILE, "add file %s\n", fname);
+
td->files = realloc(td->files, (cur_files + 1) * sizeof(*f));
f = &td->files[cur_files];
@@ -582,12 +600,15 @@
void get_file(struct fio_file *f)
{
+ dprint(FD_FILE, "get file %s/%d\n", f->file_name, f->references);
assert(f->flags & FIO_FILE_OPEN);
f->references++;
}
void put_file(struct thread_data *td, struct fio_file *f)
{
+ dprint(FD_FILE, "get put %s/%d\n", f->file_name, f->references);
+
if (!(f->flags & FIO_FILE_OPEN))
return;