The following changes since commit 3a1b1366d30375cdb0f5b299df4edda0c8ba3bcc:
blktrace: exit directly when nthreads_running != ncpus in run_tracers() (2021-06-28 13:41:32 -0600)
are available in the Git repository at:
git://git.kernel.dk/blktrace.git master
for you to fetch changes up to 7f5d2c5173d72018aa29c583c9291ef10abaf8df:
blkparse: fix incorrectly sized memset in check_cpu_map (2021-10-21 08:45:17 -0600)
----------------------------------------------------------------
Jeff Mahoney (2):
blkparse: skip check_cpu_map with pipe input
blkparse: fix incorrectly sized memset in check_cpu_map
blkparse.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
---
Diff of recent changes:
diff --git a/blkparse.c b/blkparse.c
index f88204a..9d2029a 100644
--- a/blkparse.c
+++ b/blkparse.c
@@ -2229,11 +2229,14 @@ static int check_cpu_map(struct per_dev_info *pdi)
unsigned int i;
int ret, cpu;
+ /* Pipe input doesn't do CPU online tracking. */
+ if (!pdi->cpu_map_max)
+ return 0;
+
/*
* create a map of the cpus we have traces for
*/
- cpu_map = malloc(pdi->cpu_map_max / sizeof(long));
- memset(cpu_map, 0, sizeof(*cpu_map));
+ cpu_map = calloc(1, pdi->cpu_map_max / sizeof(long));
n = rb_first(&rb_sort_root);
while (n) {
__t = rb_entry(n, struct trace, rb_node);
