projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d21ac55 | 1 | /* |
| 3e170ce0 | 2 | * Copyright (c) 2015 Apple Inc. All rights reserved. |
| 2d21ac55 A |
3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 3e170ce0 A |
28 | #ifndef _NET_NET_PERF_H_ |
| 29 | #define _NET_NET_PERF_H_ | |
| 2d21ac55 | 30 | |
| 3e170ce0 A |
31 | #include <stdint.h> |
| 32 | ||
| 33 | #ifdef KERNEL_PRIVATE | |
| 34 | #include <sys/time.h> | |
| 35 | #include <mach/boolean.h> | |
| 36 | #endif /* KERNEL_PRIVATE */ | |
| 37 | ||
| 38 | /* five histogram bins are separated by four dividing "bars" */ | |
| 39 | #define NET_PERF_BARS 4 | |
| 40 | ||
| 41 | typedef struct net_perf { | |
| 42 | uint64_t np_total_pkts; /* total packets input or output during measurement */ | |
| 43 | uint64_t np_total_usecs; /* microseconds elapsed during measurement */ | |
| 44 | uint64_t np_hist1; /* histogram bin 1 */ | |
| 45 | uint64_t np_hist2; /* histogram bin 2 */ | |
| 46 | uint64_t np_hist3; /* histogram bin 3 */ | |
| 47 | uint64_t np_hist4; /* histogram bin 4 */ | |
| 48 | uint64_t np_hist5; /* histogram bin 5 */ | |
| 49 | uint8_t np_hist_bars[NET_PERF_BARS]; | |
| 50 | } net_perf_t; | |
| 51 | ||
| 52 | #ifdef KERNEL_PRIVATE | |
| 53 | void net_perf_initialize(net_perf_t *npp, uint64_t bins); | |
| 54 | void net_perf_start_time(net_perf_t *npp, struct timeval *tv); | |
| 55 | void net_perf_measure_time(net_perf_t *npp, struct timeval *start, uint64_t num_pkts); | |
| 56 | void net_perf_histogram(net_perf_t *npp, uint64_t num_pkts); | |
| 57 | boolean_t net_perf_validate_bins(uint64_t bins); | |
| 2d21ac55 | 58 | |
| 3e170ce0 | 59 | #endif /* KERNEL_PRIVATE */ |
| 2d21ac55 | 60 | |
| 3e170ce0 | 61 | #endif /* _NET_NET_PERF_H_ */ |
| 2d21ac55 | 62 |