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Add file locking hooks
[fio.git]
/
blktrace.c
diff --git
a/blktrace.c
b/blktrace.c
index 64e49f5e4b552d3d4e67dea8ca7eed5dcf6e589e..538bcd71b9091b02b558d362fafabc6b15b630c2 100644
(file)
--- a/
blktrace.c
+++ b/
blktrace.c
@@
-34,6
+34,7
@@
static int refill_fifo(struct thread_data *td, struct fifo *fifo, int fd)
if (ret > 0)
ret = fifo_put(fifo, buf, ret);
if (ret > 0)
ret = fifo_put(fifo, buf, ret);
+ dprint(FD_BLKTRACE, "refill: filled %d bytes\n", ret);
return ret;
}
return ret;
}
@@
-62,6
+63,7
@@
static int discard_pdu(struct thread_data *td, struct fifo *fifo, int fd,
if (t->pdu_len == 0)
return 0;
if (t->pdu_len == 0)
return 0;
+ dprint(FD_BLKTRACE, "discard pdu len %u\n", t->pdu_len);
return trace_fifo_get(td, fifo, fd, NULL, t->pdu_len);
}
return trace_fifo_get(td, fifo, fd, NULL, t->pdu_len);
}
@@
-130,6
+132,7
@@
static int lookup_device(char *path, unsigned int maj, unsigned int min)
continue;
if (maj == major(st.st_rdev) && min == minor(st.st_rdev)) {
continue;
if (maj == major(st.st_rdev) && min == minor(st.st_rdev)) {
+ dprint(FD_BLKTRACE, "device lookup: %d/%d\n", maj,min);
strcpy(path, full_path);
found = 1;
break;
strcpy(path, full_path);
found = 1;
break;
@@
-168,8
+171,10
@@
static void trace_add_file(struct thread_data *td, __u32 device)
return;
strcpy(dev, "/dev");
return;
strcpy(dev, "/dev");
- if (lookup_device(dev, maj, min))
+ if (lookup_device(dev, maj, min)) {
+ dprint(FD_BLKTRACE, "add devices %s\n", dev);
add_file(td, dev);
add_file(td, dev);
+ }
}
/*
}
/*
@@
-193,6
+198,9
@@
static void store_ipo(struct thread_data *td, unsigned long long offset,
else
ipo->ddir = DDIR_READ;
else
ipo->ddir = DDIR_READ;
+ dprint(FD_BLKTRACE, "store ddir=%d, off=%llu, len=%lu, delay=%lu\n",
+ ipo->ddir, ipo->offset,
+ ipo->len, ipo->delay);
list_add_tail(&ipo->list, &td->io_log_list);
}
list_add_tail(&ipo->list, &td->io_log_list);
}