vserver 1.9.5.x5
[linux-2.6.git] / kernel / acct.c
index fb6989a..32e39ac 100644 (file)
@@ -53,6 +53,7 @@
 #include <linux/vfs.h>
 #include <linux/jiffies.h>
 #include <linux/times.h>
+#include <linux/syscalls.h>
 #include <asm/uaccess.h>
 #include <asm/div64.h>
 #include <linux/blkdev.h> /* sector_div */
@@ -426,8 +427,12 @@ static void do_acct_process(long exitcode, struct file *file)
 #endif
        do_div(elapsed, AHZ);
        ac.ac_btime = xtime.tv_sec - elapsed;
-       ac.ac_utime = encode_comp_t(jiffies_to_AHZ(current->utime));
-       ac.ac_stime = encode_comp_t(jiffies_to_AHZ(current->stime));
+       ac.ac_utime = encode_comp_t(jiffies_to_AHZ(
+                                           current->signal->utime +
+                                           current->group_leader->utime));
+       ac.ac_stime = encode_comp_t(jiffies_to_AHZ(
+                                           current->signal->stime +
+                                           current->group_leader->stime));
        /* we really need to bite the bullet and change layout */
        ac.ac_uid = current->uid;
        ac.ac_gid = current->gid;
@@ -440,8 +445,8 @@ static void do_acct_process(long exitcode, struct file *file)
        ac.ac_gid16 = current->gid;
 #endif
 #if ACCT_VERSION==3
-       ac.ac_pid = current->pid;
-       ac.ac_ppid = current->parent->pid;
+       ac.ac_pid = current->tgid;
+       ac.ac_ppid = current->parent->tgid;
 #endif
 
        read_lock(&tasklist_lock);      /* pin current->signal */
@@ -474,8 +479,10 @@ static void do_acct_process(long exitcode, struct file *file)
        ac.ac_mem = encode_comp_t(vsize);
        ac.ac_io = encode_comp_t(0 /* current->io_usage */);    /* %% */
        ac.ac_rw = encode_comp_t(ac.ac_io / 1024);
-       ac.ac_minflt = encode_comp_t(current->min_flt);
-       ac.ac_majflt = encode_comp_t(current->maj_flt);
+       ac.ac_minflt = encode_comp_t(current->signal->min_flt +
+                                    current->group_leader->min_flt);
+       ac.ac_majflt = encode_comp_t(current->signal->maj_flt +
+                                    current->group_leader->maj_flt);
        ac.ac_swaps = encode_comp_t(0);
        ac.ac_exitcode = exitcode;
 
@@ -488,11 +495,11 @@ static void do_acct_process(long exitcode, struct file *file)
        /*
         * Accounting records are not subject to resource limits.
         */
-       flim = current->rlim[RLIMIT_FSIZE].rlim_cur;
-       current->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
+       flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+       current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY;
        file->f_op->write(file, (char *)&ac,
                               sizeof(acct_t), &file->f_pos);
-       current->rlim[RLIMIT_FSIZE].rlim_cur = flim;
+       current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim;
        set_fs(fs);
 }
 
@@ -521,3 +528,36 @@ void acct_process(long exitcode)
        do_acct_process(exitcode, file);
        fput(file);
 }
+
+
+/*
+ * acct_update_integrals
+ *    -  update mm integral fields in task_struct
+ */
+void acct_update_integrals(void)
+{
+       struct task_struct *tsk = current;
+
+       if (likely(tsk->mm)) {
+               long delta = tsk->stime - tsk->acct_stimexpd;
+
+               if (delta == 0)
+                       return;
+               tsk->acct_stimexpd = tsk->stime;
+               tsk->acct_rss_mem1 += delta * tsk->mm->rss;
+               tsk->acct_vm_mem1 += delta * tsk->mm->total_vm;
+       }
+}
+
+/*
+ * acct_clear_integrals
+ *    - clear the mm integral fields in task_struct
+ */
+void acct_clear_integrals(struct task_struct *tsk)
+{
+       if (tsk) {
+               tsk->acct_stimexpd = 0;
+               tsk->acct_rss_mem1 = 0;
+               tsk->acct_vm_mem1 = 0;
+       }
+}