Merge "msm: vidc: Rate limit frequently occurring error logs" (1a534c5e) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/platform/msm/vidc/msm_vidc_debug.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -519,3 +519,11 @@ void msm_vidc_debugfs_update(struct msm_vidc_inst *inst,
		}
		}

		int msm_vidc_check_ratelimit(void)
		{
		static DEFINE_RATELIMIT_STATE(_rs,
		VIDC_DBG_SESSION_RATELIMIT_INTERVAL,
		VIDC_DBG_SESSION_RATELIMIT_BURST);
		return __ratelimit(&_rs);
		}

+21 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,14 @@
		#define VIDC_DBG_LABEL "msm_vidc"
		#endif

		/*
		* This enforces a rate limit: not more than 6 messages
		* in every 1s.
		*/

		#define VIDC_DBG_SESSION_RATELIMIT_INTERVAL (1 * HZ)
		#define VIDC_DBG_SESSION_RATELIMIT_BURST 6

		#define VIDC_DBG_TAG VIDC_DBG_LABEL ": %4s: "

		/* To enable messages OR these values and
		@@ -66,6 +74,18 @@ extern bool msm_vidc_dyn_gov_debug;
		} \
		} while (0)

		#define dprintk_ratelimit(__level, __fmt, arg...) \
		do { \
		if (msm_vidc_debug & __level) { \
		if (msm_vidc_debug_out == VIDC_OUT_PRINTK && \
		msm_vidc_check_ratelimit()) { \
		pr_info(VIDC_DBG_TAG __fmt, \
		get_debug_level_str(__level), \
		## arg); \
		} \
		} \
		} while (0)

		#define MSM_VIDC_ERROR(value) \
		do { if (value) \
		dprintk(VIDC_DBG, "BugOn"); \
		@@ -81,6 +101,7 @@ struct dentry msm_vidc_debugfs_init_inst(struct msm_vidc_inst inst,
		void msm_vidc_debugfs_deinit_inst(struct msm_vidc_inst *inst);
		void msm_vidc_debugfs_update(struct msm_vidc_inst *inst,
		enum msm_vidc_debugfs_event e);
		int msm_vidc_check_ratelimit(void);

		static inline char *get_debug_level_str(int level)
		{

+1 −1

Original line number	Diff line number	Diff line
		@@ -949,7 +949,7 @@ int msm_vidc_smmu_fault_handler(struct iommu_domain *domain,

		if (core->smmu_fault_handled) {
		if (core->resources.non_fatal_pagefaults) {
		dprintk(VIDC_ERR,
		dprintk_ratelimit(VIDC_ERR,
		"%s: non-fatal pagefault address: %lx\n",
		__func__, iova);
		return 0;