All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stanley Chu <stanley.chu@mediatek.com>
To: <linux-mtd@lists.infradead.org>, <richard@nod.at>,
	<dedekind1@gmail.com>,  <adrian.hunter@intel.com>,
	<matthias.bgg@gmail.com>
Cc: linger.lee@mediatek.com, chienwei.chang@mediatek.com,
	kuohong.wang@mediatek.com, linux-mediatek@lists.infradead.org,
	Stanley Chu <stanley.chu@mediatek.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] ubifs: support page statistics in vmstat
Date: Thu, 18 Jul 2019 20:03:57 +0800	[thread overview]
Message-ID: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> (raw)

Currently PGPGIN and PGPGOUT statistics in vmstat is only
hooked in submit_bio() for block device I/O path.

This patch adds this feature for ubifs as well.

Change-Id: I8505bd2a7aa9eadc6abcd68b7d8b870752e71339
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 fs/ubifs/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 512e7d9c60cd..ffe7ce77f389 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -902,6 +902,8 @@ static int ubifs_bulk_read(struct page *page)
 
 static int ubifs_readpage(struct file *file, struct page *page)
 {
+	count_vm_events(PGPGIN, PAGE_CACHE_SIZE >> 9);
+
 	if (ubifs_bulk_read(page))
 		return 0;
 	do_readpage(page);
@@ -1032,6 +1034,8 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
 		goto out_unlock;
 	}
 
+	count_vm_events(PGPGOUT, PAGE_CACHE_SIZE >> 9);
+
 	spin_lock(&ui->ui_lock);
 	synced_i_size = ui->synced_i_size;
 	spin_unlock(&ui->ui_lock);
-- 
2.18.0


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Stanley Chu <stanley.chu@mediatek.com>
To: linux-mtd@lists.infradead.org, richard@nod.at,
	dedekind1@gmail.com, adrian.hunter@intel.com,
	matthias.bgg@gmail.com
Cc: linger.lee@mediatek.com, chienwei.chang@mediatek.com,
	kuohong.wang@mediatek.com, linux-mediatek@lists.infradead.org,
	Stanley Chu <stanley.chu@mediatek.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] ubifs: support page statistics in vmstat
Date: Thu, 18 Jul 2019 20:03:57 +0800	[thread overview]
Message-ID: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> (raw)

Currently PGPGIN and PGPGOUT statistics in vmstat is only
hooked in submit_bio() for block device I/O path.

This patch adds this feature for ubifs as well.

Change-Id: I8505bd2a7aa9eadc6abcd68b7d8b870752e71339
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 fs/ubifs/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 512e7d9c60cd..ffe7ce77f389 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -902,6 +902,8 @@ static int ubifs_bulk_read(struct page *page)
 
 static int ubifs_readpage(struct file *file, struct page *page)
 {
+	count_vm_events(PGPGIN, PAGE_CACHE_SIZE >> 9);
+
 	if (ubifs_bulk_read(page))
 		return 0;
 	do_readpage(page);
@@ -1032,6 +1034,8 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
 		goto out_unlock;
 	}
 
+	count_vm_events(PGPGOUT, PAGE_CACHE_SIZE >> 9);
+
 	spin_lock(&ui->ui_lock);
 	synced_i_size = ui->synced_i_size;
 	spin_unlock(&ui->ui_lock);
-- 
2.18.0

WARNING: multiple messages have this Message-ID (diff)
From: Stanley Chu <stanley.chu@mediatek.com>
To: <linux-mtd@lists.infradead.org>, <richard@nod.at>,
	<dedekind1@gmail.com>,  <adrian.hunter@intel.com>,
	<matthias.bgg@gmail.com>
Cc: linger.lee@mediatek.com, chienwei.chang@mediatek.com,
	kuohong.wang@mediatek.com, linux-mediatek@lists.infradead.org,
	Stanley Chu <stanley.chu@mediatek.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1] ubifs: support page statistics in vmstat
Date: Thu, 18 Jul 2019 20:03:57 +0800	[thread overview]
Message-ID: <1563451437-15725-1-git-send-email-stanley.chu@mediatek.com> (raw)

Currently PGPGIN and PGPGOUT statistics in vmstat is only
hooked in submit_bio() for block device I/O path.

This patch adds this feature for ubifs as well.

Change-Id: I8505bd2a7aa9eadc6abcd68b7d8b870752e71339
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 fs/ubifs/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 512e7d9c60cd..ffe7ce77f389 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -902,6 +902,8 @@ static int ubifs_bulk_read(struct page *page)
 
 static int ubifs_readpage(struct file *file, struct page *page)
 {
+	count_vm_events(PGPGIN, PAGE_CACHE_SIZE >> 9);
+
 	if (ubifs_bulk_read(page))
 		return 0;
 	do_readpage(page);
@@ -1032,6 +1034,8 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
 		goto out_unlock;
 	}
 
+	count_vm_events(PGPGOUT, PAGE_CACHE_SIZE >> 9);
+
 	spin_lock(&ui->ui_lock);
 	synced_i_size = ui->synced_i_size;
 	spin_unlock(&ui->ui_lock);
-- 
2.18.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

             reply	other threads:[~2019-07-18 12:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18 12:03 Stanley Chu [this message]
2019-07-18 12:03 ` [PATCH v1] ubifs: support page statistics in vmstat Stanley Chu
2019-07-18 12:03 ` Stanley Chu
2019-07-21 20:15 ` Richard Weinberger
2019-07-21 20:15   ` Richard Weinberger
2019-09-15 22:05   ` Richard Weinberger
2019-09-15 22:05     ` Richard Weinberger

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1563451437-15725-1-git-send-email-stanley.chu@mediatek.com \
    --to=stanley.chu@mediatek.com \
    --cc=adrian.hunter@intel.com \
    --cc=chienwei.chang@mediatek.com \
    --cc=dedekind1@gmail.com \
    --cc=kuohong.wang@mediatek.com \
    --cc=linger.lee@mediatek.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=matthias.bgg@gmail.com \
    --cc=richard@nod.at \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.