Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6eb3621b authored by Jordan Crouse's avatar Jordan Crouse Committed by Neeraja P
Browse files

msm: kgsl: Add tracepoints for the pools 



Add trace points to track credit and debits to the KGSL memory pools.

Change-Id: Ic0dedbade3ecac12e625a08a9be372bd857f68d2
Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: default avatarNeeraja P <neerp@codeaurora.org>
parent e853601f

drivers/gpu/msm/kgsl_pool.c

+13 −1
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include "kgsl_device.h"

#include "kgsl_pool.h"

#include "kgsl_sharedmem.h"

#include "kgsl_trace.h"



/**

 * struct kgsl_page_pool - Structure to hold information for the pool
@@ -108,6 +109,8 @@ _kgsl_pool_add_page(struct kgsl_page_pool *pool, struct page *p) 
	list_add_tail(&p->lru, &pool->page_list);

	pool->page_count++;

	spin_unlock(&pool->list_lock);



	trace_kgsl_pool_add_page(pool->pool_order, pool->page_count);

	mod_node_page_state(page_pgdat(p),  NR_KERNEL_MISC_RECLAIMABLE,

				(1 << pool->pool_order));

}
@@ -128,6 +131,8 @@ _kgsl_pool_get_page(struct kgsl_page_pool *pool) 
	pool->page_count--;

	list_del(&p->lru);

	spin_unlock(&pool->list_lock);



	trace_kgsl_pool_get_page(pool->pool_order, pool->page_count);

	mod_node_page_state(page_pgdat(p), NR_KERNEL_MISC_RECLAIMABLE,

				-(1 << pool->pool_order));

	return p;
@@ -179,6 +184,7 @@ _kgsl_pool_shrink(struct kgsl_page_pool *pool, 


		__free_pages(page, pool->pool_order);

		pcount += (1 << pool->pool_order);

		trace_kgsl_pool_free_page(pool->pool_order);

	}



	return pcount;
@@ -353,10 +359,11 @@ static int kgsl_pool_alloc_page(int *page_size, struct page **pages, 
			if (order > 0) {

				size = PAGE_SIZE << --order;

				goto eagain;



			} else

				return -ENOMEM;

		}



		trace_kgsl_pool_alloc_page_system(order);

		goto done;

	}
@@ -376,6 +383,7 @@ static int kgsl_pool_alloc_page(int *page_size, struct page **pages, 
			page = alloc_pages(gfp_mask, order);

			if (page == NULL)

				return -ENOMEM;

			trace_kgsl_pool_alloc_page_system(order);

			goto done;

		}

	}
@@ -398,6 +406,8 @@ static int kgsl_pool_alloc_page(int *page_size, struct page **pages, 
			} else

				return -ENOMEM;

		}



		trace_kgsl_pool_alloc_page_system(order);

	}



done:
@@ -412,6 +422,7 @@ static int kgsl_pool_alloc_page(int *page_size, struct page **pages, 
	return pcount;



eagain:

	trace_kgsl_pool_try_page_lower(get_order(*page_size));

	*page_size = kgsl_get_page_size(size, ilog2(size));

	*align = ilog2(*page_size);

	return -EAGAIN;
@@ -490,6 +501,7 @@ static void kgsl_pool_free_page(struct page *page) 


	/* Give back to system as not added to pool */

	__free_pages(page, page_order);

	trace_kgsl_pool_free_page(page_order);

}



/* Functions for the shrinker */

drivers/gpu/msm/kgsl_trace.h

+75 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2011-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2011-2021, The Linux Foundation. All rights reserved.

 */



#if !defined(_KGSL_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
@@ -1338,6 +1338,80 @@ TRACE_EVENT(kgsl_drawobj_timeline, 
	)

);



TRACE_EVENT(kgsl_pool_add_page,

	TP_PROTO(int order, u32 count),

	TP_ARGS(order, count),

	TP_STRUCT__entry(

		__field(int, order)

		__field(u32, count)

	),

	TP_fast_assign(

		__entry->order = order;

		__entry->count = count;

	),

	TP_printk("order=%d count=%u",

		__entry->order, __entry->count

	)

);



TRACE_EVENT(kgsl_pool_get_page,

	TP_PROTO(int order, u32 count),

	TP_ARGS(order, count),

	TP_STRUCT__entry(

		__field(int, order)

		__field(u32, count)

	),

	TP_fast_assign(

		__entry->order = order;

		__entry->count = count;

	),

	TP_printk("order=%d count=%u",

		__entry->order, __entry->count

	)

);



TRACE_EVENT(kgsl_pool_alloc_page_system,

	TP_PROTO(int order),

	TP_ARGS(order),

	TP_STRUCT__entry(

		__field(int, order)

	),

	TP_fast_assign(

		__entry->order = order;

	),

	TP_printk("order=%d",

		__entry->order

	)

);



TRACE_EVENT(kgsl_pool_try_page_lower,

	TP_PROTO(int order),

	TP_ARGS(order),

	TP_STRUCT__entry(

		__field(int, order)

	),

	TP_fast_assign(

		__entry->order = order;

	),

	TP_printk("order=%d",

		__entry->order

	)

);



TRACE_EVENT(kgsl_pool_free_page,

	TP_PROTO(int order),

	TP_ARGS(order),

	TP_STRUCT__entry(

		__field(int, order)

	),

	TP_fast_assign(

		__entry->order = order;

	),

	TP_printk("order=%d",

		__entry->order

	)

);



#endif /* _KGSL_TRACE_H */



/* This part must be outside protection */