The patch titled
csa: Extended system accounting over taskstats
has been added to the -mm tree. Its filename is
csa-extended-system-accounting-over-taskstats.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: csa: Extended system accounting over taskstats
From: Jay Lan <jlan@xxxxxxxxxxxx>
Add extended system accounting handling over taskstats interface. A
CONFIG_TASK_XACCT flag is created to enable the extended accounting code.
Signed-off-by: Jay Lan <jlan@xxxxxxx>
Cc: Shailabh Nagar <nagar@xxxxxxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: Jes Sorensen <jes@xxxxxxx>
Cc: Chris Sturtivant <csturtiv@xxxxxxx>
Cc: Tony Ernst <tee@xxxxxxx>
Cc: Guillaume Thouvenin <guillaume.thouvenin@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/taskstats.h | 11 +++++++++++
include/linux/tsacct_kern.h | 9 +++++++++
init/Kconfig | 9 +++++++++
kernel/taskstats.c | 4 ++++
kernel/tsacct.c | 19 +++++++++++++++++++
5 files changed, 52 insertions(+)
diff -puN include/linux/taskstats.h~csa-extended-system-accounting-over-taskstats include/linux/taskstats.h
--- a/include/linux/taskstats.h~csa-extended-system-accounting-over-taskstats
+++ a/include/linux/taskstats.h
@@ -107,6 +107,17 @@ struct taskstats {
__u64 ac_minflt; /* Minor Page Fault */
__u64 ac_majflt; /* Major Page Fault */
/* Basic Accounting Fields end */
+
+ /* Extended accounting fields start */
+ __u64 acct_rss_mem1; /* accumulated rss usage */
+ __u64 acct_vm_mem1; /* accumulated virtual memory usage */
+ __u64 hiwater_rss; /* High-watermark of RSS usage */
+ __u64 hiwater_vm; /* High-water virtual memory usage */
+ __u64 read_char; /* bytes read */
+ __u64 write_char; /* bytes written */
+ __u64 read_syscalls; /* read syscalls */
+ __u64 write_syscalls; /* write syscalls */
+ /* Extended accounting fields end */
};
diff -puN include/linux/tsacct_kern.h~csa-extended-system-accounting-over-taskstats include/linux/tsacct_kern.h
--- a/include/linux/tsacct_kern.h~csa-extended-system-accounting-over-taskstats
+++ a/include/linux/tsacct_kern.h
@@ -16,4 +16,13 @@ static inline void bacct_add_tsk(struct
{}
#endif /* CONFIG_TASKSTATS */
+#ifdef CONFIG_TASK_XACCT
+extern void xacct_add_tsk(struct taskstats *stats, struct task_struct *p);
+#else
+static inline void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
+{}
+#endif /* CONFIG_TASK_XACCT */
+
#endif
+
+
diff -puN init/Kconfig~csa-extended-system-accounting-over-taskstats init/Kconfig
--- a/init/Kconfig~csa-extended-system-accounting-over-taskstats
+++ a/init/Kconfig
@@ -182,6 +182,15 @@ config TASK_DELAY_ACCT
Say N if unsure.
+config TASK_XACCT
+ bool "Enable extended accounting over taskstats (EXPERIMENTAL)"
+ depends on TASKSTATS
+ help
+ Collect extended task accounting data and send the data
+ to userland for processing over the taskstats interface.
+
+ Say N if unsure.
+
config SYSCTL
bool
diff -puN kernel/taskstats.c~csa-extended-system-accounting-over-taskstats kernel/taskstats.c
--- a/kernel/taskstats.c~csa-extended-system-accounting-over-taskstats
+++ a/kernel/taskstats.c
@@ -20,6 +20,7 @@
#include <linux/taskstats_kern.h>
#include <linux/tsacct_kern.h>
#include <linux/delayacct.h>
+#include <linux/tsacct_kern.h>
#include <linux/cpumask.h>
#include <linux/percpu.h>
#include <net/genetlink.h>
@@ -204,6 +205,9 @@ static int fill_pid(pid_t pid, struct ta
stats->version = TASKSTATS_VERSION;
bacct_add_tsk(stats, tsk);
+ /* fill in extended acct fields */
+ xacct_add_tsk(stats, tsk);
+
/* Define err: label here if needed */
put_task_struct(tsk);
return rc;
diff -puN kernel/tsacct.c~csa-extended-system-accounting-over-taskstats kernel/tsacct.c
--- a/kernel/tsacct.c~csa-extended-system-accounting-over-taskstats
+++ a/kernel/tsacct.c
@@ -67,3 +67,22 @@ void bacct_add_tsk(struct taskstats *sta
strncpy(stats->ac_comm, tsk->comm, sizeof(stats->ac_comm));
}
+
+#ifdef CONFIG_TASK_XACCT
+/*
+ * fill in extended accounting fields
+ */
+void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
+{
+ stats->acct_rss_mem1 = p->acct_rss_mem1;
+ stats->acct_vm_mem1 = p->acct_vm_mem1;
+ if (p->mm) {
+ stats->hiwater_rss = p->mm->hiwater_rss;
+ stats->hiwater_vm = p->mm->hiwater_vm;
+ }
+ stats->read_char = p->rchar;
+ stats->write_char = p->wchar;
+ stats->read_syscalls = p->syscr;
+ stats->write_syscalls = p->syscw;
+}
+#endif
_
Patches currently in -mm which might be from jlan@xxxxxxxxxxxx are
csa-basic-accounting-over-taskstats.patch
csa-extended-system-accounting-over-taskstats.patch
csa-convert-config-tag-for-extended-accounting-routines.patch
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