net/mlx5: Add rate limit print macros (3732b972) · Commits · 戴 / test

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>

drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -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 */

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