diff options
| author | Yong Ding <yongding@codeaurora.org> | 2017-11-29 13:46:07 +0800 |
|---|---|---|
| committer | Yong Ding <yongding@codeaurora.org> | 2017-11-30 11:20:12 +0800 |
| commit | 063f936fe2124ab5e12bf8011e4c5e64f165d82c (patch) | |
| tree | 3c4a4f6fa925ea2d45cea2e37f1d9833893c259b /include/uapi | |
| parent | ef8ff2ece9a112a3469d7fb242b73e9ea21843e4 (diff) | |
soc: qcom: hab: add time profiling function
With this profiling function, hab communication overhead can be
measured for performance debug.
Change-Id: I26dd487cfd1bbb811de69d8b35a7c095a21361ac
Signed-off-by: Yong Ding <yongding@codeaurora.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/habmm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/linux/habmm.h b/include/uapi/linux/habmm.h index c05146550b2e..59b603a0fcf7 100644 --- a/include/uapi/linux/habmm.h +++ b/include/uapi/linux/habmm.h @@ -117,6 +117,14 @@ struct hab_unimport { #define HABMM_SOCKET_SEND_FLAGS_NON_BLOCKING 0x00000001 +/* + * Collect cross-VM stats: client provides stat-buffer large enough to allow 2 + * ets of a 2-uint64_t pair to collect seconds and nano-seconds at the + * beginning of the stat-buffer. Stats are collected when the stat-buffer leaves + * VM1, then enters VM2 + */ +#define HABMM_SOCKET_SEND_FLAGS_XING_VM_STAT 0x00000002 + #define HABMM_SOCKET_RECV_FLAGS_NON_BLOCKING 0x00000001 #define HABMM_EXP_MEM_TYPE_DMA 0x00000001 |