net/mlx5: Add rate limit print macros

Add rate limited print macros for warning and info level. This protects
the system from burst of prints depleting HW resources and spamming dmesg.

Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Aya Levin 2019-03-29 15:38:02 -07:00 committed by Saeed Mahameed
parent aa8106f137
commit 3732b9720f

View file

@ -83,9 +83,19 @@ do { \
__func__, __LINE__, current->pid, \
##__VA_ARGS__)
#define mlx5_core_warn_rl(__dev, format, ...) \
pr_warn_ratelimited("%s:%s:%d:(pid %d): " format, (__dev)->priv.name, \
__func__, __LINE__, current->pid, \
##__VA_ARGS__)
#define mlx5_core_info(__dev, format, ...) \
pr_info("%s " format, (__dev)->priv.name, ##__VA_ARGS__)
#define mlx5_core_info_rl(__dev, format, ...) \
pr_info_ratelimited("%s:%s:%d:(pid %d): " format, (__dev)->priv.name, \
__func__, __LINE__, current->pid, \
##__VA_ARGS__)
enum {
MLX5_CMD_DATA, /* print command payload only */
MLX5_CMD_TIME, /* print command execution time */