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| author |   Ryujiro Shibuya <ryujiro.shibuya@owmobility.com> | 2019-12-25 07:40:54 +0000 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2020-02-25 19:18:49 +0000 |
| commit | 234fe894d80a6ebc7e457bc86f2eea80d5ef01ea (patch) | |
| tree | 89d1e728091669f4199f668b2438b26ab3f95d9b /src/vnet/session/segment_manager.h | |
| parent | f22f4e562e1b922cff036ef628b77fd2d479d015 (diff) | |
session svm: tracking segment memory usage
1. segment manager would attempt to balance the usages across
the segments, when it allocate fifos
2. the memory presure level is determined per fifo-segment
3. updated unit test
4. updated cli output for segments
Type: feature
Signed-off-by: Ryujiro Shibuya <ryujiro.shibuya@owmobility.com>
Change-Id: I2923f3e0a43dd919196a0cb2cd55e098fde6cf66
Diffstat (limited to 'src/vnet/session/segment_manager.h')
| -rw-r--r-- | src/vnet/session/segment_manager.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/vnet/session/segment_manager.h b/src/vnet/session/segment_manager.h index 52f89eef171..cad95509b2e 100644 --- a/src/vnet/session/segment_manager.h +++ b/src/vnet/session/segment_manager.h @@ -34,6 +34,8 @@ typedef struct _segment_manager_props u8 n_slices; /**< number of fs slices/threads */ ssvm_segment_type_t segment_type; /**< seg type: if set to SSVM_N_TYPES, private segments are used */ + u8 high_watermark; /**< memory usage high watermark % */ + u8 low_watermark; /**< memory usage low watermark % */ } segment_manager_props_t; typedef struct _segment_manager @@ -58,6 +60,9 @@ typedef struct _segment_manager * App event queue allocated in first segment */ svm_msg_q_t *event_queue; + + u8 high_watermark; + u8 low_watermark; } segment_manager_t; typedef struct segment_manager_main_init_args_ @@ -69,8 +74,7 @@ typedef struct segment_manager_main_init_args_ #define SEGMENT_MANAGER_INVALID_APP_INDEX ((u32) ~0) segment_manager_t *segment_manager_alloc (void); -int segment_manager_init (segment_manager_t * sm, uword first_seg_size, - u32 prealloc_fifo_pairs); +int segment_manager_init (segment_manager_t * sm); /** * Cleanup segment manager @@ -118,6 +122,9 @@ int segment_manager_try_alloc_fifos (fifo_segment_t * fs, void segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo, svm_fifo_t * tx_fifo); +void segment_manager_set_watermarks (segment_manager_t * sm, + u8 high_watermark, u8 low_watermark); + u8 segment_manager_has_fifos (segment_manager_t * sm); svm_msg_q_t *segment_manager_alloc_queue (fifo_segment_t * fs, |