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net/mlx5: Add rate limit print macros

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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
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
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@ -83,9 +83,19 @@ do { \
__func__, __LINE__, current->pid, \ __func__, __LINE__, current->pid, \
##__VA_ARGS__) ##__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, ...) \ #define mlx5_core_info(__dev, format, ...) \
pr_info("%s " format, (__dev)->priv.name, ##__VA_ARGS__) 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 { enum {
MLX5_CMD_DATA, /* print command payload only */ MLX5_CMD_DATA, /* print command payload only */
MLX5_CMD_TIME, /* print command execution time */ MLX5_CMD_TIME, /* print command execution time */