From: Martin Peschke <mpeschke@xxxxxxxxxxxxxxxxxx>
Display an informational message on blkparse exit to notify users that
additional data was available which would require to be dumped to binary
output.
Signed-off-by: Martin Peschke <mpeschke@xxxxxxxxxxxxxxxxxx>
---
blkparse.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/blkparse.c
+++ b/blkparse.c
@@ -292,6 +292,8 @@ static volatile int done;
struct timespec abs_start_time;
static unsigned long long start_timestamp;
+static int have_drv_data = 0;
+
#define JHASH_RANDOM (0x3af5f2ee)
#define CPUS_PER_LONG (8 * sizeof(unsigned long))
@@ -1584,6 +1586,7 @@ static void dump_trace_fs(struct blk_io_
log_generic(pci, t, "A");
break;
case __BLK_TA_DRV_DATA:
+ have_drv_data = 1;
/* dump to binary file only */
break;
default:
@@ -2844,6 +2847,10 @@ int main(int argc, char *argv[])
if (!ret)
show_stats();
+ if (have_drv_data && !dump_binary)
+ printf("\ndiscarded traces containing low-level device driver "
+ "specific data (only available in binary output)\n");
+
if (ofp_buffer) {
fflush(ofp);
free(ofp_buffer);
--
To unsubscribe from this list: send the line "unsubscribe linux-btrace" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
