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Commit cad6a82c authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "msm: ipa: Add stats for page recycling"

parents 137970ca 9a98e48c

drivers/platform/msm/ipa/ipa_v3/ipa.c

+4 −0
Original line number Diff line number Diff line
@@ -6271,6 +6271,10 @@ static int ipa3_pre_init(const struct ipa3_plat_drv_res *resource_p, 
	ipa3_ctx->wan_rx_ring_size = resource_p->wan_rx_ring_size;

	ipa3_ctx->lan_rx_ring_size = resource_p->lan_rx_ring_size;

	ipa3_ctx->ipa_wan_skb_page = resource_p->ipa_wan_skb_page;

	ipa3_ctx->stats.page_recycle_stats[0].total_replenished = 0;

	ipa3_ctx->stats.page_recycle_stats[0].tmp_alloc = 0;

	ipa3_ctx->stats.page_recycle_stats[1].total_replenished = 0;

	ipa3_ctx->stats.page_recycle_stats[1].tmp_alloc = 0;

	ipa3_ctx->skip_uc_pipe_reset = resource_p->skip_uc_pipe_reset;

	ipa3_ctx->tethered_flow_control = resource_p->tethered_flow_control;

	ipa3_ctx->ee = resource_p->ee;

drivers/platform/msm/ipa/ipa_v3/ipa_debugfs.c

+24 −0
Original line number Diff line number Diff line
@@ -1189,6 +1189,26 @@ static ssize_t ipa3_read_odlstats(struct file *file, char __user *ubuf, 
	return simple_read_from_buffer(ubuf, count, ppos, dbg_buff, cnt);

}



static ssize_t ipa3_read_page_recycle_stats(struct file *file,

		char __user *ubuf, size_t count, loff_t *ppos)

{

	int nbytes;

	int cnt = 0;



	nbytes = scnprintf(dbg_buff, IPA_MAX_MSG_LEN,

			"COAL : Total number of packets replenished =%llu\n"

			"COAL : Number of tmp alloc packets  =%llu\n"

			"DEF  : Total number of packets replenished =%llu\n"

			"DEF  : Number of tmp alloc packets  =%llu\n",

			ipa3_ctx->stats.page_recycle_stats[0].total_replenished,

			ipa3_ctx->stats.page_recycle_stats[0].tmp_alloc,

			ipa3_ctx->stats.page_recycle_stats[1].total_replenished,

			ipa3_ctx->stats.page_recycle_stats[1].tmp_alloc);



	cnt += nbytes;



	return simple_read_from_buffer(ubuf, count, ppos, dbg_buff, cnt);

}

static ssize_t ipa3_read_wstats(struct file *file, char __user *ubuf,

		size_t count, loff_t *ppos)

{
@@ -2374,6 +2394,10 @@ static const struct ipa3_debugfs_file debugfs_files[] = { 
		"odlstats", IPA_READ_ONLY_MODE, NULL, {

			.read = ipa3_read_odlstats,

		}

	}, {

		"page_recycle_stats", IPA_READ_ONLY_MODE, NULL, {

			.read = ipa3_read_page_recycle_stats,

		}

	}, {

		"wdi", IPA_READ_ONLY_MODE, NULL, {

			.read = ipa3_read_wdi,

drivers/platform/msm/ipa/ipa_v3/ipa_dp.c

+4 −0
Original line number Diff line number Diff line
@@ -1949,10 +1949,12 @@ static void ipa3_replenish_rx_page_recycle(struct ipa3_sys_context *sys) 
	u32 curr_wq;

	int idx = 0;

	struct page *cur_page;

	u32 stats_i = 0;



	/* start replenish only when buffers go lower than the threshold */

	if (sys->rx_pool_sz - sys->len < IPA_REPL_XFER_THRESH)

		return;

	stats_i = (sys->ep->client == IPA_CLIENT_APPS_WAN_COAL_CONS) ? 0 : 1;



	spin_lock_bh(&sys->spinlock);

	rx_len_cached = sys->len;
@@ -1972,6 +1974,7 @@ static void ipa3_replenish_rx_page_recycle(struct ipa3_sys_context *sys) 
			 * Could not find idle page at curr index.

			 * Allocate a new one.

			 */

			ipa3_ctx->stats.page_recycle_stats[stats_i].tmp_alloc++;

			if (curr_wq == atomic_read(&sys->repl->tail_idx))

				break;

			rx_pkt = sys->repl->cache[curr_wq];
@@ -1992,6 +1995,7 @@ static void ipa3_replenish_rx_page_recycle(struct ipa3_sys_context *sys) 
		gsi_xfer_elem_array[idx].xfer_user_data = rx_pkt;

		rx_len_cached++;

		idx++;

		ipa3_ctx->stats.page_recycle_stats[stats_i].total_replenished++;

		/*

		 * gsi_xfer_elem_buffer has a size of IPA_REPL_XFER_THRESH.

		 * If this size is reached we need to queue the xfers.

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+5 −0
Original line number Diff line number Diff line
@@ -1259,6 +1259,10 @@ enum ipa3_config_this_ep { 
	IPA_DO_NOT_CONFIGURE_THIS_EP,

};



struct ipa3_page_recycle_stats {

	u64 total_replenished;

	u64 tmp_alloc;

};

struct ipa3_stats {

	u32 tx_sw_pkts;

	u32 tx_hw_pkts;
@@ -1279,6 +1283,7 @@ struct ipa3_stats { 
	u32 flow_enable;

	u32 flow_disable;

	u32 tx_non_linear;

	struct ipa3_page_recycle_stats page_recycle_stats[2];

};



/* offset for each stats */