* Re: [PATCH] detailed physical memory info in fs/proc/task_mmu.c [2.6.0-test9]
2003-11-22 6:51 ` Gene Heskett
@ 2003-11-22 12:45 ` edjard
2003-11-22 13:52 ` Edjard de Souza Mota
1 sibling, 0 replies; 4+ messages in thread
From: edjard @ 2003-11-22 12:45 UTC (permalink / raw)
To: gene.heskett; +Cc: edjard, linux-kernel, torvalds
[-- Attachment #1: Type: text/plain, Size: 874 bytes --]
I think it is this webamail editor. He it goes as attached, sorry about
that :-(. If it doesn't work I'll send it from a decent terminal.
BR,
Edjard
>>Hi,
>>
>>The piece of code below gives a richer information
>>at /proc/PID/status for a process PID.
>>
>>BR,
>>
>>Edjard
>
> Your editors line wrapping function ate the patch.
>
> --
> Cheers, Gene
> AMD K6-III@500mhz 320M
> Athlon1600XP@1400mhz 512M
> 99.27% setiathome rank, not too shabby for a WV hillbilly
> Yahoo.com attornies please note, additions to this message
> by Gene Heskett are:
> Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
>
> -
> 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/
>
[-- Attachment #2: 10LE-PhysicalMem.patch --]
[-- Type: application/octet-stream, Size: 4325 bytes --]
--- linux-2.6.0-test9/fs/proc/task_mmu.c 2003-10-25 14:43:00.000000000 -0400
+++ linux/fs/proc/task_mmu.c 2003-11-22 10:26:59.000000000 -0400
@@ -3,44 +3,105 @@
#include <linux/seq_file.h>
#include <asm/uaccess.h>
+/**
+* Allan Bezerra (ajsb@dcc.fua.br) &
+* Mauricio Lin (mauriciolin@bol.com.br) &
+* Edjard Mota (edjard@ufam.edu.br) : include a process PID physical memory size allocation
+* info in the /proc/PID/status
+*/
+void phys_size_10LE(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;
+ }
+ }
+}
+
+/*
+void shared_size_10LE(struct vm_area_struct *vma, unsigned long len, unsigned long *shared) {
+ if (is_vm_hugetlb_page(vma)) {
+ if (!(vma->vm_flags & VM_DONTCOPY))
+ *shared += len;
+ }
+
+ if (vma->vm_flags & VM_SHARED || !list_empty(&vma->shared))
+ *shared += len;
+}
+*/
+
char *task_mem(struct mm_struct *mm, char *buffer)
{
- unsigned long data = 0, stack = 0, exec = 0, lib = 0;
- struct vm_area_struct *vma;
-
- 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)
- stack += len;
- continue;
- }
- if (vma->vm_flags & VM_WRITE)
- continue;
- if (vma->vm_flags & VM_EXEC) {
- exec += len;
- if (vma->vm_flags & VM_EXECUTABLE)
- continue;
- lib += len;
- }
- }
- buffer += sprintf(buffer,
- "VmSize:\t%8lu kB\n"
- "VmLck:\t%8lu kB\n"
- "VmRSS:\t%8lu kB\n"
- "VmData:\t%8lu kB\n"
- "VmStk:\t%8lu kB\n"
- "VmExe:\t%8lu kB\n"
- "VmLib:\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);
- up_read(&mm->mmap_sem);
- return buffer;
+ unsigned long data = 0, stack = 0, exec = 0, lib = 0;
+ unsigned long phys_data = 0, phys_stack = 0, phys_exec = 0, phys_lib = 0;
+ unsigned long phys_brk = 0, my_rss=0;
+ struct vm_area_struct *vma;
+ down_read(&mm->mmap_sem);
+ for (vma = mm->mmap; vma; vma = vma->vm_next) {
+ unsigned long len = (vma->vm_end - vma->vm_start) >> 10;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &my_rss);
+ if (!vma->vm_file) {
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_data);
+ if (vma->vm_flags & VM_GROWSDOWN) {
+ stack += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_stack);
+ }
+ else {
+ data += len;
+ }
+ continue;
+ }
+
+ if (vma->vm_flags & VM_WRITE)
+ continue;
+
+ if (vma->vm_flags & VM_EXEC) {
+ exec += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_exec);
+ if (vma->vm_flags & VM_EXECUTABLE) {
+ continue;
+ }
+ lib += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_lib);
+ }
+ }
+ phys_size_10LE(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"
+ "PhysicalData:\t%8lu kB\n"
+ "VmStk:\t%8lu kB\n"
+ "PhysicalStk:\t%8lu kB\n"
+ "VmExe:\t%8lu kB\n"
+ "PhysicalExe:\t%8lu kB\n"
+ "VmLib:\t%8lu kB\n"
+ "PhysicalLib:\t%8lu kB\n"
+ "VmHeap: \t%8lu KB\n"
+ "PhysicalHeap: \t%8lu KB\n"
+ "MyRSS: \t%8lu KB\n",
+ mm->total_vm << (PAGE_SHIFT-10),
+ mm->locked_vm << (PAGE_SHIFT-10),
+ mm->rss << (PAGE_SHIFT-10),
+ data, (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, my_rss >> 10
+ );
+ up_read(&mm->mmap_sem);
+ return buffer;
}
unsigned long task_vsize(struct mm_struct *mm)
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] detailed physical memory info in fs/proc/task_mmu.c [2.6.0-test9]
2003-11-22 6:51 ` Gene Heskett
2003-11-22 12:45 ` edjard
@ 2003-11-22 13:52 ` Edjard de Souza Mota
1 sibling, 0 replies; 4+ messages in thread
From: Edjard de Souza Mota @ 2003-11-22 13:52 UTC (permalink / raw)
To: Gene Heskett; +Cc: edjard, linux-kernel, torvalds, muriciolin, ajsb
Hi again,
Here it goes in plain text from a decent terminal.
--- linux-2.6.0-test9/fs/proc/task_mmu.c 2003-10-25
14:43:00.000000000 -0400
+++ linux/fs/proc/task_mmu.c 2003-11-22 10:26:59.000000000 -0400
@@ -3,44 +3,105 @@
#include <linux/seq_file.h>
#include <asm/uaccess.h>
+/**
+* Allan Bezerra (ajsb@dcc.fua.br) &
+* Mauricio Lin (mauriciolin@bol.com.br) &
+* Edjard Mota (edjard@ufam.edu.br) : include a process PID physical
memory size allocation
+* info in the /proc/PID/status
+*/
+void phys_size_10LE(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;
+ }
+ }
+}
+
+/* This isn't working properly yet, that's why it in comments.
+void shared_size_10LE(struct vm_area_struct *vma, unsigned long len,
unsigned long *shared) {
+ if (is_vm_hugetlb_page(vma)) {
+ if (!(vma->vm_flags & VM_DONTCOPY))
+ *shared += len;
+ }
+
+ if (vma->vm_flags & VM_SHARED || !list_empty(&vma->shared))
+ *shared += len;
+}
+*/
+
char *task_mem(struct mm_struct *mm, char *buffer)
{
- unsigned long data = 0, stack = 0, exec = 0, lib = 0;
- struct vm_area_struct *vma;
-
- 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)
- stack += len;
- continue;
- }
- if (vma->vm_flags & VM_WRITE)
- continue;
- if (vma->vm_flags & VM_EXEC) {
- exec += len;
- if (vma->vm_flags & VM_EXECUTABLE)
- continue;
- lib += len;
- }
- }
- buffer += sprintf(buffer,
- "VmSize:\t%8lu kB\n"
- "VmLck:\t%8lu kB\n"
- "VmRSS:\t%8lu kB\n"
- "VmData:\t%8lu kB\n"
- "VmStk:\t%8lu kB\n"
- "VmExe:\t%8lu kB\n"
- "VmLib:\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);
- up_read(&mm->mmap_sem);
- return buffer;
+ unsigned long data = 0, stack = 0, exec = 0, lib = 0;
+ unsigned long phys_data = 0, phys_stack = 0, phys_exec = 0, phys_lib =
0;
+ unsigned long phys_brk = 0, my_rss=0;
+ struct vm_area_struct *vma;
+ down_read(&mm->mmap_sem);
+ for (vma = mm->mmap; vma; vma = vma->vm_next) {
+ unsigned long len = (vma->vm_end - vma->vm_start) >> 10;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &my_rss);
+ if (!vma->vm_file) {
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_data);
+ if (vma->vm_flags & VM_GROWSDOWN) {
+ stack += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_stack);
+ }
+ else {
+ data += len;
+ }
+ continue;
+ }
+
+ if (vma->vm_flags & VM_WRITE)
+ continue;
+
+ if (vma->vm_flags & VM_EXEC) {
+ exec += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_exec);
+ if (vma->vm_flags & VM_EXECUTABLE) {
+ continue;
+ }
+ lib += len;
+ phys_size_10LE(mm, vma->vm_start, vma->vm_end, &phys_lib);
+ }
+ }
+ phys_size_10LE(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"
+ "PhysicalData:\t%8lu kB\n"
+ "VmStk:\t%8lu kB\n"
+ "PhysicalStk:\t%8lu kB\n"
+ "VmExe:\t%8lu kB\n"
+ "PhysicalExe:\t%8lu kB\n"
+ "VmLib:\t%8lu kB\n"
+ "PhysicalLib:\t%8lu kB\n"
+ "VmHeap: \t%8lu KB\n"
+ "PhysicalHeap: \t%8lu KB\n"
+ "MyRSS: \t%8lu KB\n",
+ mm->total_vm << (PAGE_SHIFT-10),
+ mm->locked_vm << (PAGE_SHIFT-10),
+ mm->rss << (PAGE_SHIFT-10),
+ data, (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, my_rss >> 10
+ );
+ up_read(&mm->mmap_sem);
+ return buffer;
}
unsigned long task_vsize(struct mm_struct *mm)
^ permalink raw reply [flat|nested] 4+ messages in thread