Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756078Ab1FGOjg (ORCPT ); Tue, 7 Jun 2011 10:39:36 -0400 Received: from mail-pw0-f46.google.com ([209.85.160.46]:59363 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756057Ab1FGOjd (ORCPT ); Tue, 7 Jun 2011 10:39:33 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=spe9etggMd8LuuKPsbF7bIyKMr694He0Hej+jW2vwcDgQoEH5Y7mzkj/yGOETL0RGA CYneZsHjtgp7QK9nm+nnbg30hOsSDO9TnNo/uWt9aX6UYFU6pBJplO0tEYVL7BqfjDgq nv2RNWngpA+zpTei6V4h91quQqNVy61EN1LQQ= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , KOSAKI Motohiro , Mel Gorman , Andrea Arcangeli , Rik van Riel , Johannes Weiner , KAMEZAWA Hiroyuki , Minchan Kim Subject: [PATCH v3 10/10] add inorder-lru tracepoints for just measurement Date: Tue, 7 Jun 2011 23:38:23 +0900 Message-Id: <9a544a20fd54636003cc5ad9deec63e17530b3c2.1307455422.git.minchan.kim@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5107 Lines: 190 This patch adds some tracepints for see the effect this patch series. This tracepoints isn't for merge but just see the effect. Cc: Johannes Weiner Cc: KAMEZAWA Hiroyuki Cc: KOSAKI Motohiro Cc: Mel Gorman Cc: Rik van Riel Cc: Andrea Arcangeli Signed-off-by: Minchan Kim --- include/trace/events/inorder_putback.h | 79 ++++++++++++++++++++++++++++++++ mm/compaction.c | 2 + mm/migrate.c | 7 +++ mm/vmscan.c | 3 +- 4 files changed, 89 insertions(+), 2 deletions(-) create mode 100644 include/trace/events/inorder_putback.h diff --git a/include/trace/events/inorder_putback.h b/include/trace/events/inorder_putback.h new file mode 100644 index 0000000..c615ed8 --- /dev/null +++ b/include/trace/events/inorder_putback.h @@ -0,0 +1,79 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM inorder_putback + +#if !defined(_TRACE_INP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_INP_H + +#include +#include + +TRACE_EVENT(mm_compaction_inorder, + + TP_PROTO(struct page *page, + struct page *newpage), + + TP_ARGS(page, newpage), + + TP_STRUCT__entry( + __field(struct page *, page) + __field(struct page *, newpage) + ), + + TP_fast_assign( + __entry->page = page; + __entry->newpage = newpage; + ), + + TP_printk("pfn=%lu new pfn=%lu", + page_to_pfn(__entry->page), + page_to_pfn(__entry->newpage)) +); + +TRACE_EVENT(mm_compaction_outoforder, + + TP_PROTO(struct page *page, + struct page *newpage), + + TP_ARGS(page, newpage), + + TP_STRUCT__entry( + __field(struct page *, page) + __field(struct page *, newpage) + ), + + TP_fast_assign( + __entry->page = page; + __entry->newpage = newpage; + ), + + TP_printk("pfn=%lu new pfn=%lu", + page_to_pfn(__entry->page), + page_to_pfn(__entry->newpage)) +); + +TRACE_EVENT(mm_compact_isolate, + + TP_PROTO(struct page *prev_page, + struct page *page), + + TP_ARGS(prev_page, page), + + TP_STRUCT__entry( + __field(struct page *, prev_page) + __field(struct page *, page) + ), + + TP_fast_assign( + __entry->prev_page = prev_page; + __entry->page = page; + ), + + TP_printk("pfn=%lu prev_pfn=%lu", + page_to_pfn(__entry->page), + page_to_pfn(__entry->prev_page)) +); + +#endif /* _TRACE_INP_H */ + +/* This part must be outside protection */ +#include diff --git a/mm/compaction.c b/mm/compaction.c index 29e6aa9..1041251 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -16,6 +16,7 @@ #include #include "internal.h" +#include #define CREATE_TRACE_POINTS #include @@ -334,6 +335,7 @@ static unsigned long isolate_migratepages(struct zone *zone, if (__isolate_lru_page(page, mode, 0, &prev_page) != 0) continue; + trace_mm_compact_isolate(prev_page, page); VM_BUG_ON(PageTransCompound(page)); /* Successfully isolated */ diff --git a/mm/migrate.c b/mm/migrate.c index a57f60b..2a8f713 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -39,6 +39,9 @@ #include "internal.h" +#define CREATE_TRACE_POINTS +#include + #define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru)) /* @@ -96,10 +99,12 @@ void putback_ilru_pages(struct inorder_lru *l) spin_lock_irq(&zone->lru_lock); prev = page->ilru.prev_page; if (same_lru(page, prev)) { + trace_mm_compaction_inorder(page, page); putback_page_to_lru(page, prev); spin_unlock_irq(&zone->lru_lock); } else { + trace_mm_compaction_outoforder(page, page); spin_unlock_irq(&zone->lru_lock); putback_lru_page(page); } @@ -899,6 +904,7 @@ void __put_ilru_pages(struct page *page, struct page *newpage, if (page && same_lru(page, prev_page)) { putback_page_to_lru(newpage, prev_page); spin_unlock_irq(&zone->lru_lock); + trace_mm_compaction_inorder(page, newpage); /* * The newpage will replace LRU position of old page and * old one would be freed. So let's adjust prev_page of pages @@ -909,6 +915,7 @@ void __put_ilru_pages(struct page *page, struct page *newpage, } else { spin_unlock_irq(&zone->lru_lock); + trace_mm_compaction_inorder(page, newpage); putback_lru_page(newpage); } diff --git a/mm/vmscan.c b/mm/vmscan.c index 7668e8d..5af1ba0 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -49,10 +49,9 @@ #include #include "internal.h" - +#include #define CREATE_TRACE_POINTS #include - /* * reclaim_mode determines how the inactive list is shrunk * RECLAIM_MODE_SINGLE: Reclaim only order-0 pages -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/