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From: edjard@ufam.edu.br
To: linux-kernel@vger.kernel.org
Cc: torvads@osdl.org
Subject: [Fwd: Re:Re: [PATCH 2.6.0-test11] Resident memory info in  fs/proc/task_mmu.c]
Date: Tue, 2 Dec 2003 17:15:24 -0200 (BRST)	[thread overview]
Message-ID: <56090.200.212.156.130.1070392524.squirrel@webmail.ufam.edu.br> (raw)

[-- Attachment #1: Type: text/plain, Size: 3173 bytes --]

Hi,

Thanks to Christian who helped us pointing some text mistyping.
We attached the file just in case.

>
> Why are you breaking the Coding style? Can you keep the standard
indentation
> please? This will make your patch much smaller and easier to see what
you actually changed.
>
> cheers
>
> Christian
>

We would appreciate any comments.

BR,

Edjard

--- linux-2.6.0-test11/fs/proc/task_mmu.c	2003-11-26 18:43:07.000000000 -0200
+++ linux/fs/proc/task_mmu.c	2003-12-02 13:58:10.000000000 -0200
@@ -3,42 +3,83 @@
 #include <linux/seq_file.h>
 #include <asm/uaccess.h>

+/**
+* Allan Bezerra (ajsb@dcc.fua.br) &
+* Bruna Moreira (brunampm@bol.com.br) &
+* Edjard Mota (edjard@ufam.edu.br) &
+* Mauricio Lin (mauriciolin@bol.com.br) &
+* Include a process PID physical memory size info in the /proc/PID/status
+*/
+
+void resident_mem_size(struct mm_struct *mm, unsigned long start_address,
unsigned long end_address, unsigned long *size)
+{
+	pgd_t *my_pgd;
+	pmd_t *my_pmd;
+	pte_t *my_pte;
+	unsigned long page;
+
+	for (page = start_address; page < end_address; page += PAGE_SIZE) {
+		my_pgd = pgd_offset(mm, page);
+		if (pgd_none(*my_pgd) || pgd_bad(*my_pgd)) continue;
+		my_pmd = pmd_offset(my_pgd, page);
+		if (pmd_none(*my_pmd) || pmd_bad(*my_pmd)) continue;
+		my_pte = pte_offset_map(my_pmd, page);
+		if (pte_present(*my_pte))
+			*size += PAGE_SIZE;
+	}
+}
+
 char *task_mem(struct mm_struct *mm, char *buffer)
 {
 	unsigned long data = 0, stack = 0, exec = 0, lib = 0;
 	struct vm_area_struct *vma;
-
+	unsigned long phys_data = 0, phys_stack = 0, phys_exec = 0, phys_lib =
0, phys_brk = 0;
 	down_read(&mm->mmap_sem);
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
 		unsigned long len = (vma->vm_end - vma->vm_start) >> 10;
 		if (!vma->vm_file) {
 			data += len;
-			if (vma->vm_flags & VM_GROWSDOWN)
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_data);
+			if (vma->vm_flags & VM_GROWSDOWN){
 				stack += len;
+				resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_stack);
+			}
 			continue;
 		}
 		if (vma->vm_flags & VM_WRITE)
 			continue;
 		if (vma->vm_flags & VM_EXEC) {
 			exec += len;
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_exec);
 			if (vma->vm_flags & VM_EXECUTABLE)
 				continue;
 			lib += len;
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_lib);
 		}
 	}
+	resident_mem_size(mm, mm->start_brk, mm->brk, &phys_brk);
 	buffer += sprintf(buffer,
 		"VmSize:\t%8lu kB\n"
 		"VmLck:\t%8lu kB\n"
 		"VmRSS:\t%8lu kB\n"
 		"VmData:\t%8lu kB\n"
+		"RssData:\t%8lu kB\n"
 		"VmStk:\t%8lu kB\n"
+		"RssStk:\t%8lu kB\n"
 		"VmExe:\t%8lu kB\n"
-		"VmLib:\t%8lu kB\n",
+		"RssExe:\t%8lu kB\n"
+		"VmLib:\t%8lu kB\n"
+		"RssLib:\t%8lu kB\n"
+		"VmHeap:\t%8lu KB\n"
+		"RssHeap:\t%8lu KB\n",
 		mm->total_vm << (PAGE_SHIFT-10),
 		mm->locked_vm << (PAGE_SHIFT-10),
 		mm->rss << (PAGE_SHIFT-10),
-		data - stack, stack,
-		exec - lib, lib);
+		data - stack, (phys_data - phys_stack) >> 10,
+		stack, phys_stack >> 10,
+		exec - lib, (phys_exec - phys_lib) >> 10,
+		lib,  phys_lib >> 10,
+		(mm->brk - mm->start_brk) >> 10, phys_brk >> 10);
 	up_read(&mm->mmap_sem);
 	return buffer;
 }

[-- Attachment #2: physical_mem_status.patch --]
[-- Type: application/octet-stream, Size: 2822 bytes --]

--- linux-2.6.0-test11/fs/proc/task_mmu.c	2003-11-26 18:43:07.000000000 -0200
+++ linux/fs/proc/task_mmu.c	2003-12-02 13:58:10.000000000 -0200
@@ -3,42 +3,83 @@
 #include <linux/seq_file.h>
 #include <asm/uaccess.h>
 
+/**
+* Allan Bezerra (ajsb@dcc.fua.br) &
+* Bruna Moreira (brunampm@bol.com.br) &
+* Edjard Mota (edjard@ufam.edu.br) &
+* Mauricio Lin (mauriciolin@bol.com.br) &
+* Include a process PID physical memory size info in the /proc/PID/status
+*/
+
+void resident_mem_size(struct mm_struct *mm, unsigned long start_address, unsigned long end_address, unsigned long *size) 
+{
+	pgd_t *my_pgd;
+	pmd_t *my_pmd;
+	pte_t *my_pte;
+	unsigned long page;
+ 
+	for (page = start_address; page < end_address; page += PAGE_SIZE) {
+		my_pgd = pgd_offset(mm, page);
+		if (pgd_none(*my_pgd) || pgd_bad(*my_pgd)) continue;
+		my_pmd = pmd_offset(my_pgd, page);
+		if (pmd_none(*my_pmd) || pmd_bad(*my_pmd)) continue;
+		my_pte = pte_offset_map(my_pmd, page);
+		if (pte_present(*my_pte))
+			*size += PAGE_SIZE;
+	}
+}
+
 char *task_mem(struct mm_struct *mm, char *buffer)
 {
 	unsigned long data = 0, stack = 0, exec = 0, lib = 0;
 	struct vm_area_struct *vma;
-
+	unsigned long phys_data = 0, phys_stack = 0, phys_exec = 0, phys_lib = 0, phys_brk = 0;
 	down_read(&mm->mmap_sem);
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
 		unsigned long len = (vma->vm_end - vma->vm_start) >> 10;
 		if (!vma->vm_file) {
 			data += len;
-			if (vma->vm_flags & VM_GROWSDOWN)
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_data);
+			if (vma->vm_flags & VM_GROWSDOWN){
 				stack += len;
+				resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_stack);
+			}	
 			continue;
 		}
 		if (vma->vm_flags & VM_WRITE)
 			continue;
 		if (vma->vm_flags & VM_EXEC) {
 			exec += len;
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_exec);
 			if (vma->vm_flags & VM_EXECUTABLE)
 				continue;
 			lib += len;
+			resident_mem_size(mm, vma->vm_start, vma->vm_end, &phys_lib);
 		}
 	}
+	resident_mem_size(mm, mm->start_brk, mm->brk, &phys_brk);
 	buffer += sprintf(buffer,
 		"VmSize:\t%8lu kB\n"
 		"VmLck:\t%8lu kB\n"
 		"VmRSS:\t%8lu kB\n"
 		"VmData:\t%8lu kB\n"
+		"RssData:\t%8lu kB\n"
 		"VmStk:\t%8lu kB\n"
+		"RssStk:\t%8lu kB\n"
 		"VmExe:\t%8lu kB\n"
-		"VmLib:\t%8lu kB\n",
+		"RssExe:\t%8lu kB\n"
+		"VmLib:\t%8lu kB\n"
+		"RssLib:\t%8lu kB\n"
+		"VmHeap:\t%8lu KB\n"
+		"RssHeap:\t%8lu KB\n",
 		mm->total_vm << (PAGE_SHIFT-10),
 		mm->locked_vm << (PAGE_SHIFT-10),
 		mm->rss << (PAGE_SHIFT-10),
-		data - stack, stack,
-		exec - lib, lib);
+		data - stack, (phys_data - phys_stack) >> 10, 
+		stack, phys_stack >> 10,
+		exec - lib, (phys_exec - phys_lib) >> 10,
+		lib,  phys_lib >> 10,
+		(mm->brk - mm->start_brk) >> 10, phys_brk >> 10);
 	up_read(&mm->mmap_sem);
 	return buffer;
 }

                 reply	other threads:[~2003-12-02 20:18 UTC|newest]

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