The following changes since commit 8772bc4fb049bdd879de5952d6f291a34112fae0:
blktrace: Create empty output files for non-existent cpus (2017-01-26 10:06:05 -0700)
are available in the git repository at:
git://git.kernel.dk/blktrace.git master
for you to fetch changes up to cca113f2fe0759b91fd6a0e10fdcda2c28f18a7e:
Blktrace 1.2.0 (2017-11-04 22:13:06 -0600)
----------------------------------------------------------------
Jens Axboe (2):
blktrace: abort if device ioctl setup fails
Blktrace 1.2.0
blkparse.c | 2 +-
blktrace.c | 12 +++++++++---
2 files changed, 10 insertions(+), 4 deletions(-)
---
Diff of recent changes:
diff --git a/blkparse.c b/blkparse.c
index ab5edc2..227cc44 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -36,7 +36,7 @@
#include "rbtree.h"
#include "jhash.h"
-static char blkparse_version[] = "1.1.0";
+static char blkparse_version[] = "1.2.0";
struct skip_info {
unsigned long start, end;
diff --git a/blktrace.c b/blktrace.c
index e8f2f87..e048f68 100644
--- a/blktrace.c
+++ b/blktrace.c
@@ -1066,9 +1066,10 @@ static void close_client_connections(void)
}
}
-static void setup_buts(void)
+static int setup_buts(void)
{
struct list_head *p;
+ int ret = 0;
__list_for_each(p, &devpaths) {
struct blk_user_trace_setup buts;
@@ -1086,10 +1087,14 @@ static void setup_buts(void)
free(dpp->stats);
dpp->stats = calloc(dpp->ncpus, sizeof(*dpp->stats));
memset(dpp->stats, 0, dpp->ncpus * sizeof(*dpp->stats));
- } else
+ } else {
fprintf(stderr, "BLKTRACESETUP(2) %s failed: %d/%s\n",
dpp->path, errno, strerror(errno));
+ ret++;
+ }
}
+
+ return ret;
}
static void start_buts(void)
@@ -2676,7 +2681,8 @@ static int run_tracers(void)
if (net_mode == Net_client)
printf("blktrace: connecting to %s\n", hostname);
- setup_buts();
+ if (setup_buts())
+ return 1;
if (use_tracer_devpaths()) {
if (setup_tracer_devpaths())
--
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