diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-07-29 10:58:37 -0400 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-07-28 19:58:38 -0400 |
| commit | 0f0c4fab8284f3b886b2e1e0e317e3bb8de176b3 (patch) | |
| tree | 2509e74b573bac7560f42cc7ab3640814cf683d7 /Documentation | |
| parent | 398f187d74b89d5ab198fcf9b8d86edbefecec4d (diff) | |
lguest: Enlarge virtio rings
With big packets, 128 entries is a little small.
Guest -> Host 1GB TCP:
Before: 8.43625 seconds xmit 95640 recv 198266 timeout 49771 usec 1252
After: 8.01099 seconds xmit 49200 recv 102263 timeout 26014 usec 2118
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/lguest/lguest.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/lguest/lguest.c b/Documentation/lguest/lguest.c index dc49f50e04ac..f9bba2d8fee1 100644 --- a/Documentation/lguest/lguest.c +++ b/Documentation/lguest/lguest.c | |||
| @@ -66,8 +66,8 @@ typedef uint8_t u8; | |||
| 66 | #endif | 66 | #endif |
| 67 | /* We can have up to 256 pages for devices. */ | 67 | /* We can have up to 256 pages for devices. */ |
| 68 | #define DEVICE_PAGES 256 | 68 | #define DEVICE_PAGES 256 |
| 69 | /* This will occupy 2 pages: it must be a power of 2. */ | 69 | /* This will occupy 3 pages: it must be a power of 2. */ |
| 70 | #define VIRTQUEUE_NUM 128 | 70 | #define VIRTQUEUE_NUM 256 |
| 71 | 71 | ||
| 72 | /*L:120 verbose is both a global flag and a macro. The C preprocessor allows | 72 | /*L:120 verbose is both a global flag and a macro. The C preprocessor allows |
| 73 | * this, and although I wouldn't recommend it, it works quite nicely here. */ | 73 | * this, and although I wouldn't recommend it, it works quite nicely here. */ |