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Commit 1c840a9d authored by Steven Cahail's avatar Steven Cahail Committed by Gerrit - the friendly Code Review server
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soc: qcom: glink: Rate-limit error messages sent to Dmesg 



Certain error messages generated by G-Link may be generated very
frequently; for example, if very high traffic is being experienced and a
transport cannot send data right away, an error message indicating this
may be logged very frequently.

When writing to Dmesg, rate-limit errors to avoid causing a watchdog in
this case and other similar cases.

Change-Id: I444a88fe1343a6757c8363df7c26fc24570a5e89
Signed-off-by: default avatarSteven Cahail <scahail@codeaurora.org>
parent 153cc9a3

drivers/soc/qcom/glink_private.h

+5 −4
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/ipc_logging.h>

#include <linux/kernel.h>

#include <linux/kref.h>

#include <linux/ratelimit.h>

#include <linux/seq_file.h>

#include <linux/spinlock.h>

#include <linux/types.h>
@@ -290,18 +291,18 @@ const char *glink_get_ch_state_string(enum local_channel_state_e enum_id); 
} while (0)



#define GLINK_ERR(x...) do {                              \

	pr_err("<CORE> " x); \

	pr_err_ratelimited("<CORE> " x); \

	GLINK_IPC_LOG_STR("<CORE> " x);  \

} while (0)



#define GLINK_ERR_XPRT(xprt, fmt, args...) do { \

	pr_err("<CORE> %s:%s " fmt, \

	pr_err_ratelimited("<CORE> %s:%s " fmt, \

		xprt->name, xprt->edge, args);  \

	GLINK_INFO_XPRT(xprt, fmt, args); \

} while (0)



#define GLINK_ERR_CH(ctx, fmt, args...) do { \

	pr_err("<CORE> %s:%s:%s[%u:%u] " fmt, \

	pr_err_ratelimited("<CORE> %s:%s:%s[%u:%u] " fmt, \

		ctx->transport_ptr->name, \

		ctx->transport_ptr->edge, \

		ctx->name, \
@@ -311,7 +312,7 @@ const char *glink_get_ch_state_string(enum local_channel_state_e enum_id); 
} while (0)



#define GLINK_ERR_CH_XPRT(ctx, xprt, fmt, args...) do { \

	pr_err("<CORE> %s:%s:%s[%u:%u] " fmt, \

	pr_err_ratelimited("<CORE> %s:%s:%s[%u:%u] " fmt, \

		xprt->name, \

		xprt->edge, \

		ctx->name, \