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| author | Wanpeng Li <liwanp@linux.vnet.ibm.com> | 2013-04-03 10:16:22 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-03 20:38:37 (GMT) |
| commit | 834e3a1cead22c40ad55dad9cd683e42396d45c1 (patch) | |
| tree | 8fe408554bd84a86099ae5a998ea9b844cf053e1 /drivers/staging/zcache/debug.c | |
| parent | 90874fc21ca6ca46058c5039fe78a4155d9a631e (diff) | |
| download | linux-fsl-qoriq-834e3a1cead22c40ad55dad9cd683e42396d45c1.tar.xz | |
staging: zcache: introduce zero-filled page stat count
Introduce zero-filled page statistics to monitor the number of
zero-filled pages.
Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/zcache/debug.c')
| -rw-r--r-- | drivers/staging/zcache/debug.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/zcache/debug.c b/drivers/staging/zcache/debug.c index faab2a9..daa2691 100644 --- a/drivers/staging/zcache/debug.c +++ b/drivers/staging/zcache/debug.c @@ -35,6 +35,8 @@ ssize_t zcache_pers_ate_eph; ssize_t zcache_pers_ate_eph_failed; ssize_t zcache_evicted_eph_zpages; ssize_t zcache_evicted_eph_pageframes; +ssize_t zcache_zero_filled_pages; +ssize_t zcache_zero_filled_pages_max; #define ATTR(x) { .name = #x, .val = &zcache_##x, } static struct debug_entry { @@ -62,6 +64,7 @@ static struct debug_entry { ATTR(last_inactive_anon_pageframes), ATTR(eph_nonactive_puts_ignored), ATTR(pers_nonactive_puts_ignored), + ATTR(zero_filled_pages), #ifdef CONFIG_ZCACHE_WRITEBACK ATTR(outstanding_writeback_pages), ATTR(writtenback_pages), |