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authorMark Zhang <markz@mellanox.com>2020-06-21 14:00:00 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-06-22 14:36:56 -0300
commitc1d869d64a1955817c4d6fff08ecbbe8e59d36f8 (patch)
treee35da3f31cf3d4cd4ef938ad8c5946a57c71c2c4 /drivers/infiniband
parenta17f4bed811c60712d8131883cdba11a105d0161 (diff)
downloadlinux-c1d869d64a1955817c4d6fff08ecbbe8e59d36f8.tar.bz2
RDMA/counter: Query a counter before release
Query a dynamically-allocated counter before release it, to update it's hwcounters and log all of them into history data. Otherwise all values of these hwcounters will be lost. Fixes: f34a55e497e8 ("RDMA/core: Get sum value of all counters when perform a sysfs stat read") Link: https://lore.kernel.org/r/20200621110000.56059-1-leon@kernel.org Signed-off-by: Mark Zhang <markz@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/counters.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c
index 2257d7f7810f..738d1faf4bba 100644
--- a/drivers/infiniband/core/counters.c
+++ b/drivers/infiniband/core/counters.c
@@ -202,7 +202,7 @@ static int __rdma_counter_unbind_qp(struct ib_qp *qp)
return ret;
}
-static void counter_history_stat_update(const struct rdma_counter *counter)
+static void counter_history_stat_update(struct rdma_counter *counter)
{
struct ib_device *dev = counter->device;
struct rdma_port_counter *port_counter;
@@ -212,6 +212,8 @@ static void counter_history_stat_update(const struct rdma_counter *counter)
if (!port_counter->hstats)
return;
+ rdma_counter_query_stats(counter);
+
for (i = 0; i < counter->stats->num_counters; i++)
port_counter->hstats->value[i] += counter->stats->value[i];
}