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authorAndrew Morton <akpm@osdl.org>2006-12-10 05:19:53 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-10 12:55:41 -0500
commit4a7864ca638e0a38307962ee8ef122822a351b65 (patch)
treefb21754820a41365e524fafac11081cb52340a6f /kernel
parentf2f1f8a3b86ccc5e998dc70a3ba35af199fdbc58 (diff)
[PATCH] io-accounting: via taskstats
Deliver IO accounting via taskstats. Cc: Jay Lan <jlan@sgi.com> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Chris Sturtivant <csturtiv@sgi.com> Cc: Tony Ernst <tee@sgi.com> Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net> Cc: David Wright <daw@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/tsacct.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index 96f77013d3f0..baacc3691415 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -96,6 +96,15 @@ void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
96 stats->write_char = p->wchar; 96 stats->write_char = p->wchar;
97 stats->read_syscalls = p->syscr; 97 stats->read_syscalls = p->syscr;
98 stats->write_syscalls = p->syscw; 98 stats->write_syscalls = p->syscw;
99#ifdef CONFIG_TASK_IO_ACCOUNTING
100 stats->read_bytes = p->ioac.read_bytes;
101 stats->write_bytes = p->ioac.write_bytes;
102 stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes;
103#else
104 stats->read_bytes = 0;
105 stats->write_bytes = 0;
106 stats->cancelled_write_bytes = 0;
107#endif
99} 108}
100#undef KB 109#undef KB
101#undef MB 110#undef MB