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support /proc/pid/status for LTP mmap14

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This commit is contained in:
Tomoki Shirasawa
2015-03-28 14:20:07 +09:00
parent 4946964ed0
commit 63669b7f71
1 changed files with 38 additions and 0 deletions
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38
kernel/procfs.c
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@ -72,6 +72,9 @@ void create_proc_procfs_files(int pid, int cpuid)
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/pagemap", osnum, pid);
create_proc_procfs_file(pid, fname, 0400, cpuid);
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/status", osnum, pid);
create_proc_procfs_file(pid, fname, 0400, cpuid);
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/task/%d/mem", osnum, pid, pid);
create_proc_procfs_file(pid, fname, 0400, cpuid);
@ -125,6 +128,9 @@ void delete_proc_procfs_files(int pid)
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/maps", osnum, pid);
delete_proc_procfs_file(pid, fname);
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/status", osnum, pid);
delete_proc_procfs_file(pid, fname);
snprintf(fname, PROCFS_NAME_MAX, "mcos%d/%d/pagemap", osnum, pid);
delete_proc_procfs_file(pid, fname);
@ -513,6 +519,38 @@ void process_procfs_request(unsigned long rarg)
goto end;
}
/*
* mcos%d/PID/status
*/
if (strcmp(p, "status") == 0) {
struct vm_range *range;
unsigned long lockedsize = 0;
char tmp[80];
int len;
ihk_mc_spinlock_lock_noirq(&proc->vm->memory_range_lock);
list_for_each_entry(range, &proc->vm->vm_range_list, list) {
if(range->flag & VR_LOCKED)
lockedsize += range->end - range->start;
}
ihk_mc_spinlock_unlock_noirq(&proc->vm->memory_range_lock);
sprintf(tmp, "VmLck: %9lu kB\n", (lockedsize + 1023) >> 10);
len = strlen(tmp);
if (r->offset < len) {
if (r->offset + r->count < len) {
ans = r->count;
} else {
eof = 1;
ans = len;
}
strncpy(buf, tmp + r->offset, ans);
} else if (r->offset == len) {
ans = 0;
eof = 1;
}
goto end;
}
/*
* mcos%d/PID/auxv